File: | src/gnu/usr.bin/clang/libclangSema/../../../llvm/clang/lib/Sema/SemaOpenMP.cpp |
Warning: | line 8938, column 22 Called C++ object pointer is null |
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1 | //===--- SemaOpenMP.cpp - Semantic Analysis for OpenMP constructs ---------===// | |||
2 | // | |||
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | |||
4 | // See https://llvm.org/LICENSE.txt for license information. | |||
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | |||
6 | // | |||
7 | //===----------------------------------------------------------------------===// | |||
8 | /// \file | |||
9 | /// This file implements semantic analysis for OpenMP directives and | |||
10 | /// clauses. | |||
11 | /// | |||
12 | //===----------------------------------------------------------------------===// | |||
13 | ||||
14 | #include "TreeTransform.h" | |||
15 | #include "clang/AST/ASTContext.h" | |||
16 | #include "clang/AST/ASTMutationListener.h" | |||
17 | #include "clang/AST/CXXInheritance.h" | |||
18 | #include "clang/AST/Decl.h" | |||
19 | #include "clang/AST/DeclCXX.h" | |||
20 | #include "clang/AST/DeclOpenMP.h" | |||
21 | #include "clang/AST/OpenMPClause.h" | |||
22 | #include "clang/AST/StmtCXX.h" | |||
23 | #include "clang/AST/StmtOpenMP.h" | |||
24 | #include "clang/AST/StmtVisitor.h" | |||
25 | #include "clang/AST/TypeOrdering.h" | |||
26 | #include "clang/Basic/DiagnosticSema.h" | |||
27 | #include "clang/Basic/OpenMPKinds.h" | |||
28 | #include "clang/Basic/PartialDiagnostic.h" | |||
29 | #include "clang/Basic/TargetInfo.h" | |||
30 | #include "clang/Sema/Initialization.h" | |||
31 | #include "clang/Sema/Lookup.h" | |||
32 | #include "clang/Sema/Scope.h" | |||
33 | #include "clang/Sema/ScopeInfo.h" | |||
34 | #include "clang/Sema/SemaInternal.h" | |||
35 | #include "llvm/ADT/IndexedMap.h" | |||
36 | #include "llvm/ADT/PointerEmbeddedInt.h" | |||
37 | #include "llvm/ADT/STLExtras.h" | |||
38 | #include "llvm/ADT/StringExtras.h" | |||
39 | #include "llvm/Frontend/OpenMP/OMPConstants.h" | |||
40 | #include <set> | |||
41 | ||||
42 | using namespace clang; | |||
43 | using namespace llvm::omp; | |||
44 | ||||
45 | //===----------------------------------------------------------------------===// | |||
46 | // Stack of data-sharing attributes for variables | |||
47 | //===----------------------------------------------------------------------===// | |||
48 | ||||
49 | static const Expr *checkMapClauseExpressionBase( | |||
50 | Sema &SemaRef, Expr *E, | |||
51 | OMPClauseMappableExprCommon::MappableExprComponentList &CurComponents, | |||
52 | OpenMPClauseKind CKind, OpenMPDirectiveKind DKind, bool NoDiagnose); | |||
53 | ||||
54 | namespace { | |||
55 | /// Default data sharing attributes, which can be applied to directive. | |||
56 | enum DefaultDataSharingAttributes { | |||
57 | DSA_unspecified = 0, /// Data sharing attribute not specified. | |||
58 | DSA_none = 1 << 0, /// Default data sharing attribute 'none'. | |||
59 | DSA_shared = 1 << 1, /// Default data sharing attribute 'shared'. | |||
60 | DSA_firstprivate = 1 << 2, /// Default data sharing attribute 'firstprivate'. | |||
61 | }; | |||
62 | ||||
63 | /// Stack for tracking declarations used in OpenMP directives and | |||
64 | /// clauses and their data-sharing attributes. | |||
65 | class DSAStackTy { | |||
66 | public: | |||
67 | struct DSAVarData { | |||
68 | OpenMPDirectiveKind DKind = OMPD_unknown; | |||
69 | OpenMPClauseKind CKind = OMPC_unknown; | |||
70 | unsigned Modifier = 0; | |||
71 | const Expr *RefExpr = nullptr; | |||
72 | DeclRefExpr *PrivateCopy = nullptr; | |||
73 | SourceLocation ImplicitDSALoc; | |||
74 | bool AppliedToPointee = false; | |||
75 | DSAVarData() = default; | |||
76 | DSAVarData(OpenMPDirectiveKind DKind, OpenMPClauseKind CKind, | |||
77 | const Expr *RefExpr, DeclRefExpr *PrivateCopy, | |||
78 | SourceLocation ImplicitDSALoc, unsigned Modifier, | |||
79 | bool AppliedToPointee) | |||
80 | : DKind(DKind), CKind(CKind), Modifier(Modifier), RefExpr(RefExpr), | |||
81 | PrivateCopy(PrivateCopy), ImplicitDSALoc(ImplicitDSALoc), | |||
82 | AppliedToPointee(AppliedToPointee) {} | |||
83 | }; | |||
84 | using OperatorOffsetTy = | |||
85 | llvm::SmallVector<std::pair<Expr *, OverloadedOperatorKind>, 4>; | |||
86 | using DoacrossDependMapTy = | |||
87 | llvm::DenseMap<OMPDependClause *, OperatorOffsetTy>; | |||
88 | /// Kind of the declaration used in the uses_allocators clauses. | |||
89 | enum class UsesAllocatorsDeclKind { | |||
90 | /// Predefined allocator | |||
91 | PredefinedAllocator, | |||
92 | /// User-defined allocator | |||
93 | UserDefinedAllocator, | |||
94 | /// The declaration that represent allocator trait | |||
95 | AllocatorTrait, | |||
96 | }; | |||
97 | ||||
98 | private: | |||
99 | struct DSAInfo { | |||
100 | OpenMPClauseKind Attributes = OMPC_unknown; | |||
101 | unsigned Modifier = 0; | |||
102 | /// Pointer to a reference expression and a flag which shows that the | |||
103 | /// variable is marked as lastprivate(true) or not (false). | |||
104 | llvm::PointerIntPair<const Expr *, 1, bool> RefExpr; | |||
105 | DeclRefExpr *PrivateCopy = nullptr; | |||
106 | /// true if the attribute is applied to the pointee, not the variable | |||
107 | /// itself. | |||
108 | bool AppliedToPointee = false; | |||
109 | }; | |||
110 | using DeclSAMapTy = llvm::SmallDenseMap<const ValueDecl *, DSAInfo, 8>; | |||
111 | using UsedRefMapTy = llvm::SmallDenseMap<const ValueDecl *, const Expr *, 8>; | |||
112 | using LCDeclInfo = std::pair<unsigned, VarDecl *>; | |||
113 | using LoopControlVariablesMapTy = | |||
114 | llvm::SmallDenseMap<const ValueDecl *, LCDeclInfo, 8>; | |||
115 | /// Struct that associates a component with the clause kind where they are | |||
116 | /// found. | |||
117 | struct MappedExprComponentTy { | |||
118 | OMPClauseMappableExprCommon::MappableExprComponentLists Components; | |||
119 | OpenMPClauseKind Kind = OMPC_unknown; | |||
120 | }; | |||
121 | using MappedExprComponentsTy = | |||
122 | llvm::DenseMap<const ValueDecl *, MappedExprComponentTy>; | |||
123 | using CriticalsWithHintsTy = | |||
124 | llvm::StringMap<std::pair<const OMPCriticalDirective *, llvm::APSInt>>; | |||
125 | struct ReductionData { | |||
126 | using BOKPtrType = llvm::PointerEmbeddedInt<BinaryOperatorKind, 16>; | |||
127 | SourceRange ReductionRange; | |||
128 | llvm::PointerUnion<const Expr *, BOKPtrType> ReductionOp; | |||
129 | ReductionData() = default; | |||
130 | void set(BinaryOperatorKind BO, SourceRange RR) { | |||
131 | ReductionRange = RR; | |||
132 | ReductionOp = BO; | |||
133 | } | |||
134 | void set(const Expr *RefExpr, SourceRange RR) { | |||
135 | ReductionRange = RR; | |||
136 | ReductionOp = RefExpr; | |||
137 | } | |||
138 | }; | |||
139 | using DeclReductionMapTy = | |||
140 | llvm::SmallDenseMap<const ValueDecl *, ReductionData, 4>; | |||
141 | struct DefaultmapInfo { | |||
142 | OpenMPDefaultmapClauseModifier ImplicitBehavior = | |||
143 | OMPC_DEFAULTMAP_MODIFIER_unknown; | |||
144 | SourceLocation SLoc; | |||
145 | DefaultmapInfo() = default; | |||
146 | DefaultmapInfo(OpenMPDefaultmapClauseModifier M, SourceLocation Loc) | |||
147 | : ImplicitBehavior(M), SLoc(Loc) {} | |||
148 | }; | |||
149 | ||||
150 | struct SharingMapTy { | |||
151 | DeclSAMapTy SharingMap; | |||
152 | DeclReductionMapTy ReductionMap; | |||
153 | UsedRefMapTy AlignedMap; | |||
154 | UsedRefMapTy NontemporalMap; | |||
155 | MappedExprComponentsTy MappedExprComponents; | |||
156 | LoopControlVariablesMapTy LCVMap; | |||
157 | DefaultDataSharingAttributes DefaultAttr = DSA_unspecified; | |||
158 | SourceLocation DefaultAttrLoc; | |||
159 | DefaultmapInfo DefaultmapMap[OMPC_DEFAULTMAP_unknown]; | |||
160 | OpenMPDirectiveKind Directive = OMPD_unknown; | |||
161 | DeclarationNameInfo DirectiveName; | |||
162 | Scope *CurScope = nullptr; | |||
163 | DeclContext *Context = nullptr; | |||
164 | SourceLocation ConstructLoc; | |||
165 | /// Set of 'depend' clauses with 'sink|source' dependence kind. Required to | |||
166 | /// get the data (loop counters etc.) about enclosing loop-based construct. | |||
167 | /// This data is required during codegen. | |||
168 | DoacrossDependMapTy DoacrossDepends; | |||
169 | /// First argument (Expr *) contains optional argument of the | |||
170 | /// 'ordered' clause, the second one is true if the regions has 'ordered' | |||
171 | /// clause, false otherwise. | |||
172 | llvm::Optional<std::pair<const Expr *, OMPOrderedClause *>> OrderedRegion; | |||
173 | unsigned AssociatedLoops = 1; | |||
174 | bool HasMutipleLoops = false; | |||
175 | const Decl *PossiblyLoopCounter = nullptr; | |||
176 | bool NowaitRegion = false; | |||
177 | bool CancelRegion = false; | |||
178 | bool LoopStart = false; | |||
179 | bool BodyComplete = false; | |||
180 | SourceLocation PrevScanLocation; | |||
181 | SourceLocation PrevOrderedLocation; | |||
182 | SourceLocation InnerTeamsRegionLoc; | |||
183 | /// Reference to the taskgroup task_reduction reference expression. | |||
184 | Expr *TaskgroupReductionRef = nullptr; | |||
185 | llvm::DenseSet<QualType> MappedClassesQualTypes; | |||
186 | SmallVector<Expr *, 4> InnerUsedAllocators; | |||
187 | llvm::DenseSet<CanonicalDeclPtr<Decl>> ImplicitTaskFirstprivates; | |||
188 | /// List of globals marked as declare target link in this target region | |||
189 | /// (isOpenMPTargetExecutionDirective(Directive) == true). | |||
190 | llvm::SmallVector<DeclRefExpr *, 4> DeclareTargetLinkVarDecls; | |||
191 | /// List of decls used in inclusive/exclusive clauses of the scan directive. | |||
192 | llvm::DenseSet<CanonicalDeclPtr<Decl>> UsedInScanDirective; | |||
193 | llvm::DenseMap<CanonicalDeclPtr<const Decl>, UsesAllocatorsDeclKind> | |||
194 | UsesAllocatorsDecls; | |||
195 | Expr *DeclareMapperVar = nullptr; | |||
196 | SharingMapTy(OpenMPDirectiveKind DKind, DeclarationNameInfo Name, | |||
197 | Scope *CurScope, SourceLocation Loc) | |||
198 | : Directive(DKind), DirectiveName(Name), CurScope(CurScope), | |||
199 | ConstructLoc(Loc) {} | |||
200 | SharingMapTy() = default; | |||
201 | }; | |||
202 | ||||
203 | using StackTy = SmallVector<SharingMapTy, 4>; | |||
204 | ||||
205 | /// Stack of used declaration and their data-sharing attributes. | |||
206 | DeclSAMapTy Threadprivates; | |||
207 | const FunctionScopeInfo *CurrentNonCapturingFunctionScope = nullptr; | |||
208 | SmallVector<std::pair<StackTy, const FunctionScopeInfo *>, 4> Stack; | |||
209 | /// true, if check for DSA must be from parent directive, false, if | |||
210 | /// from current directive. | |||
211 | OpenMPClauseKind ClauseKindMode = OMPC_unknown; | |||
212 | Sema &SemaRef; | |||
213 | bool ForceCapturing = false; | |||
214 | /// true if all the variables in the target executable directives must be | |||
215 | /// captured by reference. | |||
216 | bool ForceCaptureByReferenceInTargetExecutable = false; | |||
217 | CriticalsWithHintsTy Criticals; | |||
218 | unsigned IgnoredStackElements = 0; | |||
219 | ||||
220 | /// Iterators over the stack iterate in order from innermost to outermost | |||
221 | /// directive. | |||
222 | using const_iterator = StackTy::const_reverse_iterator; | |||
223 | const_iterator begin() const { | |||
224 | return Stack.empty() ? const_iterator() | |||
225 | : Stack.back().first.rbegin() + IgnoredStackElements; | |||
226 | } | |||
227 | const_iterator end() const { | |||
228 | return Stack.empty() ? const_iterator() : Stack.back().first.rend(); | |||
229 | } | |||
230 | using iterator = StackTy::reverse_iterator; | |||
231 | iterator begin() { | |||
232 | return Stack.empty() ? iterator() | |||
233 | : Stack.back().first.rbegin() + IgnoredStackElements; | |||
234 | } | |||
235 | iterator end() { | |||
236 | return Stack.empty() ? iterator() : Stack.back().first.rend(); | |||
237 | } | |||
238 | ||||
239 | // Convenience operations to get at the elements of the stack. | |||
240 | ||||
241 | bool isStackEmpty() const { | |||
242 | return Stack.empty() || | |||
243 | Stack.back().second != CurrentNonCapturingFunctionScope || | |||
244 | Stack.back().first.size() <= IgnoredStackElements; | |||
245 | } | |||
246 | size_t getStackSize() const { | |||
247 | return isStackEmpty() ? 0 | |||
248 | : Stack.back().first.size() - IgnoredStackElements; | |||
249 | } | |||
250 | ||||
251 | SharingMapTy *getTopOfStackOrNull() { | |||
252 | size_t Size = getStackSize(); | |||
253 | if (Size == 0) | |||
254 | return nullptr; | |||
255 | return &Stack.back().first[Size - 1]; | |||
256 | } | |||
257 | const SharingMapTy *getTopOfStackOrNull() const { | |||
258 | return const_cast<DSAStackTy&>(*this).getTopOfStackOrNull(); | |||
259 | } | |||
260 | SharingMapTy &getTopOfStack() { | |||
261 | assert(!isStackEmpty() && "no current directive")((void)0); | |||
262 | return *getTopOfStackOrNull(); | |||
263 | } | |||
264 | const SharingMapTy &getTopOfStack() const { | |||
265 | return const_cast<DSAStackTy&>(*this).getTopOfStack(); | |||
266 | } | |||
267 | ||||
268 | SharingMapTy *getSecondOnStackOrNull() { | |||
269 | size_t Size = getStackSize(); | |||
270 | if (Size <= 1) | |||
271 | return nullptr; | |||
272 | return &Stack.back().first[Size - 2]; | |||
273 | } | |||
274 | const SharingMapTy *getSecondOnStackOrNull() const { | |||
275 | return const_cast<DSAStackTy&>(*this).getSecondOnStackOrNull(); | |||
276 | } | |||
277 | ||||
278 | /// Get the stack element at a certain level (previously returned by | |||
279 | /// \c getNestingLevel). | |||
280 | /// | |||
281 | /// Note that nesting levels count from outermost to innermost, and this is | |||
282 | /// the reverse of our iteration order where new inner levels are pushed at | |||
283 | /// the front of the stack. | |||
284 | SharingMapTy &getStackElemAtLevel(unsigned Level) { | |||
285 | assert(Level < getStackSize() && "no such stack element")((void)0); | |||
286 | return Stack.back().first[Level]; | |||
287 | } | |||
288 | const SharingMapTy &getStackElemAtLevel(unsigned Level) const { | |||
289 | return const_cast<DSAStackTy&>(*this).getStackElemAtLevel(Level); | |||
290 | } | |||
291 | ||||
292 | DSAVarData getDSA(const_iterator &Iter, ValueDecl *D) const; | |||
293 | ||||
294 | /// Checks if the variable is a local for OpenMP region. | |||
295 | bool isOpenMPLocal(VarDecl *D, const_iterator Iter) const; | |||
296 | ||||
297 | /// Vector of previously declared requires directives | |||
298 | SmallVector<const OMPRequiresDecl *, 2> RequiresDecls; | |||
299 | /// omp_allocator_handle_t type. | |||
300 | QualType OMPAllocatorHandleT; | |||
301 | /// omp_depend_t type. | |||
302 | QualType OMPDependT; | |||
303 | /// omp_event_handle_t type. | |||
304 | QualType OMPEventHandleT; | |||
305 | /// omp_alloctrait_t type. | |||
306 | QualType OMPAlloctraitT; | |||
307 | /// Expression for the predefined allocators. | |||
308 | Expr *OMPPredefinedAllocators[OMPAllocateDeclAttr::OMPUserDefinedMemAlloc] = { | |||
309 | nullptr}; | |||
310 | /// Vector of previously encountered target directives | |||
311 | SmallVector<SourceLocation, 2> TargetLocations; | |||
312 | SourceLocation AtomicLocation; | |||
313 | ||||
314 | public: | |||
315 | explicit DSAStackTy(Sema &S) : SemaRef(S) {} | |||
316 | ||||
317 | /// Sets omp_allocator_handle_t type. | |||
318 | void setOMPAllocatorHandleT(QualType Ty) { OMPAllocatorHandleT = Ty; } | |||
319 | /// Gets omp_allocator_handle_t type. | |||
320 | QualType getOMPAllocatorHandleT() const { return OMPAllocatorHandleT; } | |||
321 | /// Sets omp_alloctrait_t type. | |||
322 | void setOMPAlloctraitT(QualType Ty) { OMPAlloctraitT = Ty; } | |||
323 | /// Gets omp_alloctrait_t type. | |||
324 | QualType getOMPAlloctraitT() const { return OMPAlloctraitT; } | |||
325 | /// Sets the given default allocator. | |||
326 | void setAllocator(OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind, | |||
327 | Expr *Allocator) { | |||
328 | OMPPredefinedAllocators[AllocatorKind] = Allocator; | |||
329 | } | |||
330 | /// Returns the specified default allocator. | |||
331 | Expr *getAllocator(OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind) const { | |||
332 | return OMPPredefinedAllocators[AllocatorKind]; | |||
333 | } | |||
334 | /// Sets omp_depend_t type. | |||
335 | void setOMPDependT(QualType Ty) { OMPDependT = Ty; } | |||
336 | /// Gets omp_depend_t type. | |||
337 | QualType getOMPDependT() const { return OMPDependT; } | |||
338 | ||||
339 | /// Sets omp_event_handle_t type. | |||
340 | void setOMPEventHandleT(QualType Ty) { OMPEventHandleT = Ty; } | |||
341 | /// Gets omp_event_handle_t type. | |||
342 | QualType getOMPEventHandleT() const { return OMPEventHandleT; } | |||
343 | ||||
344 | bool isClauseParsingMode() const { return ClauseKindMode != OMPC_unknown; } | |||
345 | OpenMPClauseKind getClauseParsingMode() const { | |||
346 | assert(isClauseParsingMode() && "Must be in clause parsing mode.")((void)0); | |||
347 | return ClauseKindMode; | |||
348 | } | |||
349 | void setClauseParsingMode(OpenMPClauseKind K) { ClauseKindMode = K; } | |||
350 | ||||
351 | bool isBodyComplete() const { | |||
352 | const SharingMapTy *Top = getTopOfStackOrNull(); | |||
353 | return Top && Top->BodyComplete; | |||
354 | } | |||
355 | void setBodyComplete() { | |||
356 | getTopOfStack().BodyComplete = true; | |||
357 | } | |||
358 | ||||
359 | bool isForceVarCapturing() const { return ForceCapturing; } | |||
360 | void setForceVarCapturing(bool V) { ForceCapturing = V; } | |||
361 | ||||
362 | void setForceCaptureByReferenceInTargetExecutable(bool V) { | |||
363 | ForceCaptureByReferenceInTargetExecutable = V; | |||
364 | } | |||
365 | bool isForceCaptureByReferenceInTargetExecutable() const { | |||
366 | return ForceCaptureByReferenceInTargetExecutable; | |||
367 | } | |||
368 | ||||
369 | void push(OpenMPDirectiveKind DKind, const DeclarationNameInfo &DirName, | |||
370 | Scope *CurScope, SourceLocation Loc) { | |||
371 | assert(!IgnoredStackElements &&((void)0) | |||
372 | "cannot change stack while ignoring elements")((void)0); | |||
373 | if (Stack.empty() || | |||
374 | Stack.back().second != CurrentNonCapturingFunctionScope) | |||
375 | Stack.emplace_back(StackTy(), CurrentNonCapturingFunctionScope); | |||
376 | Stack.back().first.emplace_back(DKind, DirName, CurScope, Loc); | |||
377 | Stack.back().first.back().DefaultAttrLoc = Loc; | |||
378 | } | |||
379 | ||||
380 | void pop() { | |||
381 | assert(!IgnoredStackElements &&((void)0) | |||
382 | "cannot change stack while ignoring elements")((void)0); | |||
383 | assert(!Stack.back().first.empty() &&((void)0) | |||
384 | "Data-sharing attributes stack is empty!")((void)0); | |||
385 | Stack.back().first.pop_back(); | |||
386 | } | |||
387 | ||||
388 | /// RAII object to temporarily leave the scope of a directive when we want to | |||
389 | /// logically operate in its parent. | |||
390 | class ParentDirectiveScope { | |||
391 | DSAStackTy &Self; | |||
392 | bool Active; | |||
393 | public: | |||
394 | ParentDirectiveScope(DSAStackTy &Self, bool Activate) | |||
395 | : Self(Self), Active(false) { | |||
396 | if (Activate) | |||
397 | enable(); | |||
398 | } | |||
399 | ~ParentDirectiveScope() { disable(); } | |||
400 | void disable() { | |||
401 | if (Active) { | |||
402 | --Self.IgnoredStackElements; | |||
403 | Active = false; | |||
404 | } | |||
405 | } | |||
406 | void enable() { | |||
407 | if (!Active) { | |||
408 | ++Self.IgnoredStackElements; | |||
409 | Active = true; | |||
410 | } | |||
411 | } | |||
412 | }; | |||
413 | ||||
414 | /// Marks that we're started loop parsing. | |||
415 | void loopInit() { | |||
416 | assert(isOpenMPLoopDirective(getCurrentDirective()) &&((void)0) | |||
417 | "Expected loop-based directive.")((void)0); | |||
418 | getTopOfStack().LoopStart = true; | |||
419 | } | |||
420 | /// Start capturing of the variables in the loop context. | |||
421 | void loopStart() { | |||
422 | assert(isOpenMPLoopDirective(getCurrentDirective()) &&((void)0) | |||
423 | "Expected loop-based directive.")((void)0); | |||
424 | getTopOfStack().LoopStart = false; | |||
425 | } | |||
426 | /// true, if variables are captured, false otherwise. | |||
427 | bool isLoopStarted() const { | |||
428 | assert(isOpenMPLoopDirective(getCurrentDirective()) &&((void)0) | |||
429 | "Expected loop-based directive.")((void)0); | |||
430 | return !getTopOfStack().LoopStart; | |||
431 | } | |||
432 | /// Marks (or clears) declaration as possibly loop counter. | |||
433 | void resetPossibleLoopCounter(const Decl *D = nullptr) { | |||
434 | getTopOfStack().PossiblyLoopCounter = | |||
435 | D ? D->getCanonicalDecl() : D; | |||
436 | } | |||
437 | /// Gets the possible loop counter decl. | |||
438 | const Decl *getPossiblyLoopCunter() const { | |||
439 | return getTopOfStack().PossiblyLoopCounter; | |||
440 | } | |||
441 | /// Start new OpenMP region stack in new non-capturing function. | |||
442 | void pushFunction() { | |||
443 | assert(!IgnoredStackElements &&((void)0) | |||
444 | "cannot change stack while ignoring elements")((void)0); | |||
445 | const FunctionScopeInfo *CurFnScope = SemaRef.getCurFunction(); | |||
446 | assert(!isa<CapturingScopeInfo>(CurFnScope))((void)0); | |||
447 | CurrentNonCapturingFunctionScope = CurFnScope; | |||
448 | } | |||
449 | /// Pop region stack for non-capturing function. | |||
450 | void popFunction(const FunctionScopeInfo *OldFSI) { | |||
451 | assert(!IgnoredStackElements &&((void)0) | |||
452 | "cannot change stack while ignoring elements")((void)0); | |||
453 | if (!Stack.empty() && Stack.back().second == OldFSI) { | |||
454 | assert(Stack.back().first.empty())((void)0); | |||
455 | Stack.pop_back(); | |||
456 | } | |||
457 | CurrentNonCapturingFunctionScope = nullptr; | |||
458 | for (const FunctionScopeInfo *FSI : llvm::reverse(SemaRef.FunctionScopes)) { | |||
459 | if (!isa<CapturingScopeInfo>(FSI)) { | |||
460 | CurrentNonCapturingFunctionScope = FSI; | |||
461 | break; | |||
462 | } | |||
463 | } | |||
464 | } | |||
465 | ||||
466 | void addCriticalWithHint(const OMPCriticalDirective *D, llvm::APSInt Hint) { | |||
467 | Criticals.try_emplace(D->getDirectiveName().getAsString(), D, Hint); | |||
468 | } | |||
469 | const std::pair<const OMPCriticalDirective *, llvm::APSInt> | |||
470 | getCriticalWithHint(const DeclarationNameInfo &Name) const { | |||
471 | auto I = Criticals.find(Name.getAsString()); | |||
472 | if (I != Criticals.end()) | |||
473 | return I->second; | |||
474 | return std::make_pair(nullptr, llvm::APSInt()); | |||
475 | } | |||
476 | /// If 'aligned' declaration for given variable \a D was not seen yet, | |||
477 | /// add it and return NULL; otherwise return previous occurrence's expression | |||
478 | /// for diagnostics. | |||
479 | const Expr *addUniqueAligned(const ValueDecl *D, const Expr *NewDE); | |||
480 | /// If 'nontemporal' declaration for given variable \a D was not seen yet, | |||
481 | /// add it and return NULL; otherwise return previous occurrence's expression | |||
482 | /// for diagnostics. | |||
483 | const Expr *addUniqueNontemporal(const ValueDecl *D, const Expr *NewDE); | |||
484 | ||||
485 | /// Register specified variable as loop control variable. | |||
486 | void addLoopControlVariable(const ValueDecl *D, VarDecl *Capture); | |||
487 | /// Check if the specified variable is a loop control variable for | |||
488 | /// current region. | |||
489 | /// \return The index of the loop control variable in the list of associated | |||
490 | /// for-loops (from outer to inner). | |||
491 | const LCDeclInfo isLoopControlVariable(const ValueDecl *D) const; | |||
492 | /// Check if the specified variable is a loop control variable for | |||
493 | /// parent region. | |||
494 | /// \return The index of the loop control variable in the list of associated | |||
495 | /// for-loops (from outer to inner). | |||
496 | const LCDeclInfo isParentLoopControlVariable(const ValueDecl *D) const; | |||
497 | /// Check if the specified variable is a loop control variable for | |||
498 | /// current region. | |||
499 | /// \return The index of the loop control variable in the list of associated | |||
500 | /// for-loops (from outer to inner). | |||
501 | const LCDeclInfo isLoopControlVariable(const ValueDecl *D, | |||
502 | unsigned Level) const; | |||
503 | /// Get the loop control variable for the I-th loop (or nullptr) in | |||
504 | /// parent directive. | |||
505 | const ValueDecl *getParentLoopControlVariable(unsigned I) const; | |||
506 | ||||
507 | /// Marks the specified decl \p D as used in scan directive. | |||
508 | void markDeclAsUsedInScanDirective(ValueDecl *D) { | |||
509 | if (SharingMapTy *Stack = getSecondOnStackOrNull()) | |||
510 | Stack->UsedInScanDirective.insert(D); | |||
511 | } | |||
512 | ||||
513 | /// Checks if the specified declaration was used in the inner scan directive. | |||
514 | bool isUsedInScanDirective(ValueDecl *D) const { | |||
515 | if (const SharingMapTy *Stack = getTopOfStackOrNull()) | |||
516 | return Stack->UsedInScanDirective.count(D) > 0; | |||
517 | return false; | |||
518 | } | |||
519 | ||||
520 | /// Adds explicit data sharing attribute to the specified declaration. | |||
521 | void addDSA(const ValueDecl *D, const Expr *E, OpenMPClauseKind A, | |||
522 | DeclRefExpr *PrivateCopy = nullptr, unsigned Modifier = 0, | |||
523 | bool AppliedToPointee = false); | |||
524 | ||||
525 | /// Adds additional information for the reduction items with the reduction id | |||
526 | /// represented as an operator. | |||
527 | void addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, | |||
528 | BinaryOperatorKind BOK); | |||
529 | /// Adds additional information for the reduction items with the reduction id | |||
530 | /// represented as reduction identifier. | |||
531 | void addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, | |||
532 | const Expr *ReductionRef); | |||
533 | /// Returns the location and reduction operation from the innermost parent | |||
534 | /// region for the given \p D. | |||
535 | const DSAVarData | |||
536 | getTopMostTaskgroupReductionData(const ValueDecl *D, SourceRange &SR, | |||
537 | BinaryOperatorKind &BOK, | |||
538 | Expr *&TaskgroupDescriptor) const; | |||
539 | /// Returns the location and reduction operation from the innermost parent | |||
540 | /// region for the given \p D. | |||
541 | const DSAVarData | |||
542 | getTopMostTaskgroupReductionData(const ValueDecl *D, SourceRange &SR, | |||
543 | const Expr *&ReductionRef, | |||
544 | Expr *&TaskgroupDescriptor) const; | |||
545 | /// Return reduction reference expression for the current taskgroup or | |||
546 | /// parallel/worksharing directives with task reductions. | |||
547 | Expr *getTaskgroupReductionRef() const { | |||
548 | assert((getTopOfStack().Directive == OMPD_taskgroup ||((void)0) | |||
549 | ((isOpenMPParallelDirective(getTopOfStack().Directive) ||((void)0) | |||
550 | isOpenMPWorksharingDirective(getTopOfStack().Directive)) &&((void)0) | |||
551 | !isOpenMPSimdDirective(getTopOfStack().Directive))) &&((void)0) | |||
552 | "taskgroup reference expression requested for non taskgroup or "((void)0) | |||
553 | "parallel/worksharing directive.")((void)0); | |||
554 | return getTopOfStack().TaskgroupReductionRef; | |||
555 | } | |||
556 | /// Checks if the given \p VD declaration is actually a taskgroup reduction | |||
557 | /// descriptor variable at the \p Level of OpenMP regions. | |||
558 | bool isTaskgroupReductionRef(const ValueDecl *VD, unsigned Level) const { | |||
559 | return getStackElemAtLevel(Level).TaskgroupReductionRef && | |||
560 | cast<DeclRefExpr>(getStackElemAtLevel(Level).TaskgroupReductionRef) | |||
561 | ->getDecl() == VD; | |||
562 | } | |||
563 | ||||
564 | /// Returns data sharing attributes from top of the stack for the | |||
565 | /// specified declaration. | |||
566 | const DSAVarData getTopDSA(ValueDecl *D, bool FromParent); | |||
567 | /// Returns data-sharing attributes for the specified declaration. | |||
568 | const DSAVarData getImplicitDSA(ValueDecl *D, bool FromParent) const; | |||
569 | /// Returns data-sharing attributes for the specified declaration. | |||
570 | const DSAVarData getImplicitDSA(ValueDecl *D, unsigned Level) const; | |||
571 | /// Checks if the specified variables has data-sharing attributes which | |||
572 | /// match specified \a CPred predicate in any directive which matches \a DPred | |||
573 | /// predicate. | |||
574 | const DSAVarData | |||
575 | hasDSA(ValueDecl *D, | |||
576 | const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, | |||
577 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, | |||
578 | bool FromParent) const; | |||
579 | /// Checks if the specified variables has data-sharing attributes which | |||
580 | /// match specified \a CPred predicate in any innermost directive which | |||
581 | /// matches \a DPred predicate. | |||
582 | const DSAVarData | |||
583 | hasInnermostDSA(ValueDecl *D, | |||
584 | const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, | |||
585 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, | |||
586 | bool FromParent) const; | |||
587 | /// Checks if the specified variables has explicit data-sharing | |||
588 | /// attributes which match specified \a CPred predicate at the specified | |||
589 | /// OpenMP region. | |||
590 | bool | |||
591 | hasExplicitDSA(const ValueDecl *D, | |||
592 | const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, | |||
593 | unsigned Level, bool NotLastprivate = false) const; | |||
594 | ||||
595 | /// Returns true if the directive at level \Level matches in the | |||
596 | /// specified \a DPred predicate. | |||
597 | bool hasExplicitDirective( | |||
598 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, | |||
599 | unsigned Level) const; | |||
600 | ||||
601 | /// Finds a directive which matches specified \a DPred predicate. | |||
602 | bool hasDirective( | |||
603 | const llvm::function_ref<bool( | |||
604 | OpenMPDirectiveKind, const DeclarationNameInfo &, SourceLocation)> | |||
605 | DPred, | |||
606 | bool FromParent) const; | |||
607 | ||||
608 | /// Returns currently analyzed directive. | |||
609 | OpenMPDirectiveKind getCurrentDirective() const { | |||
610 | const SharingMapTy *Top = getTopOfStackOrNull(); | |||
611 | return Top ? Top->Directive : OMPD_unknown; | |||
612 | } | |||
613 | /// Returns directive kind at specified level. | |||
614 | OpenMPDirectiveKind getDirective(unsigned Level) const { | |||
615 | assert(!isStackEmpty() && "No directive at specified level.")((void)0); | |||
616 | return getStackElemAtLevel(Level).Directive; | |||
617 | } | |||
618 | /// Returns the capture region at the specified level. | |||
619 | OpenMPDirectiveKind getCaptureRegion(unsigned Level, | |||
620 | unsigned OpenMPCaptureLevel) const { | |||
621 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | |||
622 | getOpenMPCaptureRegions(CaptureRegions, getDirective(Level)); | |||
623 | return CaptureRegions[OpenMPCaptureLevel]; | |||
624 | } | |||
625 | /// Returns parent directive. | |||
626 | OpenMPDirectiveKind getParentDirective() const { | |||
627 | const SharingMapTy *Parent = getSecondOnStackOrNull(); | |||
628 | return Parent ? Parent->Directive : OMPD_unknown; | |||
629 | } | |||
630 | ||||
631 | /// Add requires decl to internal vector | |||
632 | void addRequiresDecl(OMPRequiresDecl *RD) { | |||
633 | RequiresDecls.push_back(RD); | |||
634 | } | |||
635 | ||||
636 | /// Checks if the defined 'requires' directive has specified type of clause. | |||
637 | template <typename ClauseType> | |||
638 | bool hasRequiresDeclWithClause() const { | |||
639 | return llvm::any_of(RequiresDecls, [](const OMPRequiresDecl *D) { | |||
640 | return llvm::any_of(D->clauselists(), [](const OMPClause *C) { | |||
641 | return isa<ClauseType>(C); | |||
642 | }); | |||
643 | }); | |||
644 | } | |||
645 | ||||
646 | /// Checks for a duplicate clause amongst previously declared requires | |||
647 | /// directives | |||
648 | bool hasDuplicateRequiresClause(ArrayRef<OMPClause *> ClauseList) const { | |||
649 | bool IsDuplicate = false; | |||
650 | for (OMPClause *CNew : ClauseList) { | |||
651 | for (const OMPRequiresDecl *D : RequiresDecls) { | |||
652 | for (const OMPClause *CPrev : D->clauselists()) { | |||
653 | if (CNew->getClauseKind() == CPrev->getClauseKind()) { | |||
654 | SemaRef.Diag(CNew->getBeginLoc(), | |||
655 | diag::err_omp_requires_clause_redeclaration) | |||
656 | << getOpenMPClauseName(CNew->getClauseKind()); | |||
657 | SemaRef.Diag(CPrev->getBeginLoc(), | |||
658 | diag::note_omp_requires_previous_clause) | |||
659 | << getOpenMPClauseName(CPrev->getClauseKind()); | |||
660 | IsDuplicate = true; | |||
661 | } | |||
662 | } | |||
663 | } | |||
664 | } | |||
665 | return IsDuplicate; | |||
666 | } | |||
667 | ||||
668 | /// Add location of previously encountered target to internal vector | |||
669 | void addTargetDirLocation(SourceLocation LocStart) { | |||
670 | TargetLocations.push_back(LocStart); | |||
671 | } | |||
672 | ||||
673 | /// Add location for the first encountered atomicc directive. | |||
674 | void addAtomicDirectiveLoc(SourceLocation Loc) { | |||
675 | if (AtomicLocation.isInvalid()) | |||
676 | AtomicLocation = Loc; | |||
677 | } | |||
678 | ||||
679 | /// Returns the location of the first encountered atomic directive in the | |||
680 | /// module. | |||
681 | SourceLocation getAtomicDirectiveLoc() const { | |||
682 | return AtomicLocation; | |||
683 | } | |||
684 | ||||
685 | // Return previously encountered target region locations. | |||
686 | ArrayRef<SourceLocation> getEncounteredTargetLocs() const { | |||
687 | return TargetLocations; | |||
688 | } | |||
689 | ||||
690 | /// Set default data sharing attribute to none. | |||
691 | void setDefaultDSANone(SourceLocation Loc) { | |||
692 | getTopOfStack().DefaultAttr = DSA_none; | |||
693 | getTopOfStack().DefaultAttrLoc = Loc; | |||
694 | } | |||
695 | /// Set default data sharing attribute to shared. | |||
696 | void setDefaultDSAShared(SourceLocation Loc) { | |||
697 | getTopOfStack().DefaultAttr = DSA_shared; | |||
698 | getTopOfStack().DefaultAttrLoc = Loc; | |||
699 | } | |||
700 | /// Set default data sharing attribute to firstprivate. | |||
701 | void setDefaultDSAFirstPrivate(SourceLocation Loc) { | |||
702 | getTopOfStack().DefaultAttr = DSA_firstprivate; | |||
703 | getTopOfStack().DefaultAttrLoc = Loc; | |||
704 | } | |||
705 | /// Set default data mapping attribute to Modifier:Kind | |||
706 | void setDefaultDMAAttr(OpenMPDefaultmapClauseModifier M, | |||
707 | OpenMPDefaultmapClauseKind Kind, | |||
708 | SourceLocation Loc) { | |||
709 | DefaultmapInfo &DMI = getTopOfStack().DefaultmapMap[Kind]; | |||
710 | DMI.ImplicitBehavior = M; | |||
711 | DMI.SLoc = Loc; | |||
712 | } | |||
713 | /// Check whether the implicit-behavior has been set in defaultmap | |||
714 | bool checkDefaultmapCategory(OpenMPDefaultmapClauseKind VariableCategory) { | |||
715 | if (VariableCategory == OMPC_DEFAULTMAP_unknown) | |||
716 | return getTopOfStack() | |||
717 | .DefaultmapMap[OMPC_DEFAULTMAP_aggregate] | |||
718 | .ImplicitBehavior != OMPC_DEFAULTMAP_MODIFIER_unknown || | |||
719 | getTopOfStack() | |||
720 | .DefaultmapMap[OMPC_DEFAULTMAP_scalar] | |||
721 | .ImplicitBehavior != OMPC_DEFAULTMAP_MODIFIER_unknown || | |||
722 | getTopOfStack() | |||
723 | .DefaultmapMap[OMPC_DEFAULTMAP_pointer] | |||
724 | .ImplicitBehavior != OMPC_DEFAULTMAP_MODIFIER_unknown; | |||
725 | return getTopOfStack().DefaultmapMap[VariableCategory].ImplicitBehavior != | |||
726 | OMPC_DEFAULTMAP_MODIFIER_unknown; | |||
727 | } | |||
728 | ||||
729 | DefaultDataSharingAttributes getDefaultDSA(unsigned Level) const { | |||
730 | return getStackSize() <= Level ? DSA_unspecified | |||
731 | : getStackElemAtLevel(Level).DefaultAttr; | |||
732 | } | |||
733 | DefaultDataSharingAttributes getDefaultDSA() const { | |||
734 | return isStackEmpty() ? DSA_unspecified | |||
735 | : getTopOfStack().DefaultAttr; | |||
736 | } | |||
737 | SourceLocation getDefaultDSALocation() const { | |||
738 | return isStackEmpty() ? SourceLocation() | |||
739 | : getTopOfStack().DefaultAttrLoc; | |||
740 | } | |||
741 | OpenMPDefaultmapClauseModifier | |||
742 | getDefaultmapModifier(OpenMPDefaultmapClauseKind Kind) const { | |||
743 | return isStackEmpty() | |||
744 | ? OMPC_DEFAULTMAP_MODIFIER_unknown | |||
745 | : getTopOfStack().DefaultmapMap[Kind].ImplicitBehavior; | |||
746 | } | |||
747 | OpenMPDefaultmapClauseModifier | |||
748 | getDefaultmapModifierAtLevel(unsigned Level, | |||
749 | OpenMPDefaultmapClauseKind Kind) const { | |||
750 | return getStackElemAtLevel(Level).DefaultmapMap[Kind].ImplicitBehavior; | |||
751 | } | |||
752 | bool isDefaultmapCapturedByRef(unsigned Level, | |||
753 | OpenMPDefaultmapClauseKind Kind) const { | |||
754 | OpenMPDefaultmapClauseModifier M = | |||
755 | getDefaultmapModifierAtLevel(Level, Kind); | |||
756 | if (Kind == OMPC_DEFAULTMAP_scalar || Kind == OMPC_DEFAULTMAP_pointer) { | |||
757 | return (M == OMPC_DEFAULTMAP_MODIFIER_alloc) || | |||
758 | (M == OMPC_DEFAULTMAP_MODIFIER_to) || | |||
759 | (M == OMPC_DEFAULTMAP_MODIFIER_from) || | |||
760 | (M == OMPC_DEFAULTMAP_MODIFIER_tofrom); | |||
761 | } | |||
762 | return true; | |||
763 | } | |||
764 | static bool mustBeFirstprivateBase(OpenMPDefaultmapClauseModifier M, | |||
765 | OpenMPDefaultmapClauseKind Kind) { | |||
766 | switch (Kind) { | |||
767 | case OMPC_DEFAULTMAP_scalar: | |||
768 | case OMPC_DEFAULTMAP_pointer: | |||
769 | return (M == OMPC_DEFAULTMAP_MODIFIER_unknown) || | |||
770 | (M == OMPC_DEFAULTMAP_MODIFIER_firstprivate) || | |||
771 | (M == OMPC_DEFAULTMAP_MODIFIER_default); | |||
772 | case OMPC_DEFAULTMAP_aggregate: | |||
773 | return M == OMPC_DEFAULTMAP_MODIFIER_firstprivate; | |||
774 | default: | |||
775 | break; | |||
776 | } | |||
777 | llvm_unreachable("Unexpected OpenMPDefaultmapClauseKind enum")__builtin_unreachable(); | |||
778 | } | |||
779 | bool mustBeFirstprivateAtLevel(unsigned Level, | |||
780 | OpenMPDefaultmapClauseKind Kind) const { | |||
781 | OpenMPDefaultmapClauseModifier M = | |||
782 | getDefaultmapModifierAtLevel(Level, Kind); | |||
783 | return mustBeFirstprivateBase(M, Kind); | |||
784 | } | |||
785 | bool mustBeFirstprivate(OpenMPDefaultmapClauseKind Kind) const { | |||
786 | OpenMPDefaultmapClauseModifier M = getDefaultmapModifier(Kind); | |||
787 | return mustBeFirstprivateBase(M, Kind); | |||
788 | } | |||
789 | ||||
790 | /// Checks if the specified variable is a threadprivate. | |||
791 | bool isThreadPrivate(VarDecl *D) { | |||
792 | const DSAVarData DVar = getTopDSA(D, false); | |||
793 | return isOpenMPThreadPrivate(DVar.CKind); | |||
794 | } | |||
795 | ||||
796 | /// Marks current region as ordered (it has an 'ordered' clause). | |||
797 | void setOrderedRegion(bool IsOrdered, const Expr *Param, | |||
798 | OMPOrderedClause *Clause) { | |||
799 | if (IsOrdered) | |||
800 | getTopOfStack().OrderedRegion.emplace(Param, Clause); | |||
801 | else | |||
802 | getTopOfStack().OrderedRegion.reset(); | |||
803 | } | |||
804 | /// Returns true, if region is ordered (has associated 'ordered' clause), | |||
805 | /// false - otherwise. | |||
806 | bool isOrderedRegion() const { | |||
807 | if (const SharingMapTy *Top = getTopOfStackOrNull()) | |||
808 | return Top->OrderedRegion.hasValue(); | |||
809 | return false; | |||
810 | } | |||
811 | /// Returns optional parameter for the ordered region. | |||
812 | std::pair<const Expr *, OMPOrderedClause *> getOrderedRegionParam() const { | |||
813 | if (const SharingMapTy *Top = getTopOfStackOrNull()) | |||
814 | if (Top->OrderedRegion.hasValue()) | |||
815 | return Top->OrderedRegion.getValue(); | |||
816 | return std::make_pair(nullptr, nullptr); | |||
817 | } | |||
818 | /// Returns true, if parent region is ordered (has associated | |||
819 | /// 'ordered' clause), false - otherwise. | |||
820 | bool isParentOrderedRegion() const { | |||
821 | if (const SharingMapTy *Parent = getSecondOnStackOrNull()) | |||
822 | return Parent->OrderedRegion.hasValue(); | |||
823 | return false; | |||
824 | } | |||
825 | /// Returns optional parameter for the ordered region. | |||
826 | std::pair<const Expr *, OMPOrderedClause *> | |||
827 | getParentOrderedRegionParam() const { | |||
828 | if (const SharingMapTy *Parent = getSecondOnStackOrNull()) | |||
829 | if (Parent->OrderedRegion.hasValue()) | |||
830 | return Parent->OrderedRegion.getValue(); | |||
831 | return std::make_pair(nullptr, nullptr); | |||
832 | } | |||
833 | /// Marks current region as nowait (it has a 'nowait' clause). | |||
834 | void setNowaitRegion(bool IsNowait = true) { | |||
835 | getTopOfStack().NowaitRegion = IsNowait; | |||
836 | } | |||
837 | /// Returns true, if parent region is nowait (has associated | |||
838 | /// 'nowait' clause), false - otherwise. | |||
839 | bool isParentNowaitRegion() const { | |||
840 | if (const SharingMapTy *Parent = getSecondOnStackOrNull()) | |||
841 | return Parent->NowaitRegion; | |||
842 | return false; | |||
843 | } | |||
844 | /// Marks parent region as cancel region. | |||
845 | void setParentCancelRegion(bool Cancel = true) { | |||
846 | if (SharingMapTy *Parent = getSecondOnStackOrNull()) | |||
847 | Parent->CancelRegion |= Cancel; | |||
848 | } | |||
849 | /// Return true if current region has inner cancel construct. | |||
850 | bool isCancelRegion() const { | |||
851 | const SharingMapTy *Top = getTopOfStackOrNull(); | |||
852 | return Top ? Top->CancelRegion : false; | |||
853 | } | |||
854 | ||||
855 | /// Mark that parent region already has scan directive. | |||
856 | void setParentHasScanDirective(SourceLocation Loc) { | |||
857 | if (SharingMapTy *Parent = getSecondOnStackOrNull()) | |||
858 | Parent->PrevScanLocation = Loc; | |||
859 | } | |||
860 | /// Return true if current region has inner cancel construct. | |||
861 | bool doesParentHasScanDirective() const { | |||
862 | const SharingMapTy *Top = getSecondOnStackOrNull(); | |||
863 | return Top ? Top->PrevScanLocation.isValid() : false; | |||
864 | } | |||
865 | /// Return true if current region has inner cancel construct. | |||
866 | SourceLocation getParentScanDirectiveLoc() const { | |||
867 | const SharingMapTy *Top = getSecondOnStackOrNull(); | |||
868 | return Top ? Top->PrevScanLocation : SourceLocation(); | |||
869 | } | |||
870 | /// Mark that parent region already has ordered directive. | |||
871 | void setParentHasOrderedDirective(SourceLocation Loc) { | |||
872 | if (SharingMapTy *Parent = getSecondOnStackOrNull()) | |||
873 | Parent->PrevOrderedLocation = Loc; | |||
874 | } | |||
875 | /// Return true if current region has inner ordered construct. | |||
876 | bool doesParentHasOrderedDirective() const { | |||
877 | const SharingMapTy *Top = getSecondOnStackOrNull(); | |||
878 | return Top ? Top->PrevOrderedLocation.isValid() : false; | |||
879 | } | |||
880 | /// Returns the location of the previously specified ordered directive. | |||
881 | SourceLocation getParentOrderedDirectiveLoc() const { | |||
882 | const SharingMapTy *Top = getSecondOnStackOrNull(); | |||
883 | return Top ? Top->PrevOrderedLocation : SourceLocation(); | |||
884 | } | |||
885 | ||||
886 | /// Set collapse value for the region. | |||
887 | void setAssociatedLoops(unsigned Val) { | |||
888 | getTopOfStack().AssociatedLoops = Val; | |||
889 | if (Val > 1) | |||
890 | getTopOfStack().HasMutipleLoops = true; | |||
891 | } | |||
892 | /// Return collapse value for region. | |||
893 | unsigned getAssociatedLoops() const { | |||
894 | const SharingMapTy *Top = getTopOfStackOrNull(); | |||
895 | return Top ? Top->AssociatedLoops : 0; | |||
896 | } | |||
897 | /// Returns true if the construct is associated with multiple loops. | |||
898 | bool hasMutipleLoops() const { | |||
899 | const SharingMapTy *Top = getTopOfStackOrNull(); | |||
900 | return Top ? Top->HasMutipleLoops : false; | |||
901 | } | |||
902 | ||||
903 | /// Marks current target region as one with closely nested teams | |||
904 | /// region. | |||
905 | void setParentTeamsRegionLoc(SourceLocation TeamsRegionLoc) { | |||
906 | if (SharingMapTy *Parent = getSecondOnStackOrNull()) | |||
907 | Parent->InnerTeamsRegionLoc = TeamsRegionLoc; | |||
908 | } | |||
909 | /// Returns true, if current region has closely nested teams region. | |||
910 | bool hasInnerTeamsRegion() const { | |||
911 | return getInnerTeamsRegionLoc().isValid(); | |||
912 | } | |||
913 | /// Returns location of the nested teams region (if any). | |||
914 | SourceLocation getInnerTeamsRegionLoc() const { | |||
915 | const SharingMapTy *Top = getTopOfStackOrNull(); | |||
916 | return Top ? Top->InnerTeamsRegionLoc : SourceLocation(); | |||
917 | } | |||
918 | ||||
919 | Scope *getCurScope() const { | |||
920 | const SharingMapTy *Top = getTopOfStackOrNull(); | |||
921 | return Top ? Top->CurScope : nullptr; | |||
922 | } | |||
923 | void setContext(DeclContext *DC) { getTopOfStack().Context = DC; } | |||
924 | SourceLocation getConstructLoc() const { | |||
925 | const SharingMapTy *Top = getTopOfStackOrNull(); | |||
926 | return Top ? Top->ConstructLoc : SourceLocation(); | |||
927 | } | |||
928 | ||||
929 | /// Do the check specified in \a Check to all component lists and return true | |||
930 | /// if any issue is found. | |||
931 | bool checkMappableExprComponentListsForDecl( | |||
932 | const ValueDecl *VD, bool CurrentRegionOnly, | |||
933 | const llvm::function_ref< | |||
934 | bool(OMPClauseMappableExprCommon::MappableExprComponentListRef, | |||
935 | OpenMPClauseKind)> | |||
936 | Check) const { | |||
937 | if (isStackEmpty()) | |||
938 | return false; | |||
939 | auto SI = begin(); | |||
940 | auto SE = end(); | |||
941 | ||||
942 | if (SI == SE) | |||
943 | return false; | |||
944 | ||||
945 | if (CurrentRegionOnly) | |||
946 | SE = std::next(SI); | |||
947 | else | |||
948 | std::advance(SI, 1); | |||
949 | ||||
950 | for (; SI != SE; ++SI) { | |||
951 | auto MI = SI->MappedExprComponents.find(VD); | |||
952 | if (MI != SI->MappedExprComponents.end()) | |||
953 | for (OMPClauseMappableExprCommon::MappableExprComponentListRef L : | |||
954 | MI->second.Components) | |||
955 | if (Check(L, MI->second.Kind)) | |||
956 | return true; | |||
957 | } | |||
958 | return false; | |||
959 | } | |||
960 | ||||
961 | /// Do the check specified in \a Check to all component lists at a given level | |||
962 | /// and return true if any issue is found. | |||
963 | bool checkMappableExprComponentListsForDeclAtLevel( | |||
964 | const ValueDecl *VD, unsigned Level, | |||
965 | const llvm::function_ref< | |||
966 | bool(OMPClauseMappableExprCommon::MappableExprComponentListRef, | |||
967 | OpenMPClauseKind)> | |||
968 | Check) const { | |||
969 | if (getStackSize() <= Level) | |||
970 | return false; | |||
971 | ||||
972 | const SharingMapTy &StackElem = getStackElemAtLevel(Level); | |||
973 | auto MI = StackElem.MappedExprComponents.find(VD); | |||
974 | if (MI != StackElem.MappedExprComponents.end()) | |||
975 | for (OMPClauseMappableExprCommon::MappableExprComponentListRef L : | |||
976 | MI->second.Components) | |||
977 | if (Check(L, MI->second.Kind)) | |||
978 | return true; | |||
979 | return false; | |||
980 | } | |||
981 | ||||
982 | /// Create a new mappable expression component list associated with a given | |||
983 | /// declaration and initialize it with the provided list of components. | |||
984 | void addMappableExpressionComponents( | |||
985 | const ValueDecl *VD, | |||
986 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components, | |||
987 | OpenMPClauseKind WhereFoundClauseKind) { | |||
988 | MappedExprComponentTy &MEC = getTopOfStack().MappedExprComponents[VD]; | |||
989 | // Create new entry and append the new components there. | |||
990 | MEC.Components.resize(MEC.Components.size() + 1); | |||
991 | MEC.Components.back().append(Components.begin(), Components.end()); | |||
992 | MEC.Kind = WhereFoundClauseKind; | |||
993 | } | |||
994 | ||||
995 | unsigned getNestingLevel() const { | |||
996 | assert(!isStackEmpty())((void)0); | |||
997 | return getStackSize() - 1; | |||
998 | } | |||
999 | void addDoacrossDependClause(OMPDependClause *C, | |||
1000 | const OperatorOffsetTy &OpsOffs) { | |||
1001 | SharingMapTy *Parent = getSecondOnStackOrNull(); | |||
1002 | assert(Parent && isOpenMPWorksharingDirective(Parent->Directive))((void)0); | |||
1003 | Parent->DoacrossDepends.try_emplace(C, OpsOffs); | |||
1004 | } | |||
1005 | llvm::iterator_range<DoacrossDependMapTy::const_iterator> | |||
1006 | getDoacrossDependClauses() const { | |||
1007 | const SharingMapTy &StackElem = getTopOfStack(); | |||
1008 | if (isOpenMPWorksharingDirective(StackElem.Directive)) { | |||
1009 | const DoacrossDependMapTy &Ref = StackElem.DoacrossDepends; | |||
1010 | return llvm::make_range(Ref.begin(), Ref.end()); | |||
1011 | } | |||
1012 | return llvm::make_range(StackElem.DoacrossDepends.end(), | |||
1013 | StackElem.DoacrossDepends.end()); | |||
1014 | } | |||
1015 | ||||
1016 | // Store types of classes which have been explicitly mapped | |||
1017 | void addMappedClassesQualTypes(QualType QT) { | |||
1018 | SharingMapTy &StackElem = getTopOfStack(); | |||
1019 | StackElem.MappedClassesQualTypes.insert(QT); | |||
1020 | } | |||
1021 | ||||
1022 | // Return set of mapped classes types | |||
1023 | bool isClassPreviouslyMapped(QualType QT) const { | |||
1024 | const SharingMapTy &StackElem = getTopOfStack(); | |||
1025 | return StackElem.MappedClassesQualTypes.count(QT) != 0; | |||
1026 | } | |||
1027 | ||||
1028 | /// Adds global declare target to the parent target region. | |||
1029 | void addToParentTargetRegionLinkGlobals(DeclRefExpr *E) { | |||
1030 | assert(*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(((void)0) | |||
1031 | E->getDecl()) == OMPDeclareTargetDeclAttr::MT_Link &&((void)0) | |||
1032 | "Expected declare target link global.")((void)0); | |||
1033 | for (auto &Elem : *this) { | |||
1034 | if (isOpenMPTargetExecutionDirective(Elem.Directive)) { | |||
1035 | Elem.DeclareTargetLinkVarDecls.push_back(E); | |||
1036 | return; | |||
1037 | } | |||
1038 | } | |||
1039 | } | |||
1040 | ||||
1041 | /// Returns the list of globals with declare target link if current directive | |||
1042 | /// is target. | |||
1043 | ArrayRef<DeclRefExpr *> getLinkGlobals() const { | |||
1044 | assert(isOpenMPTargetExecutionDirective(getCurrentDirective()) &&((void)0) | |||
1045 | "Expected target executable directive.")((void)0); | |||
1046 | return getTopOfStack().DeclareTargetLinkVarDecls; | |||
1047 | } | |||
1048 | ||||
1049 | /// Adds list of allocators expressions. | |||
1050 | void addInnerAllocatorExpr(Expr *E) { | |||
1051 | getTopOfStack().InnerUsedAllocators.push_back(E); | |||
1052 | } | |||
1053 | /// Return list of used allocators. | |||
1054 | ArrayRef<Expr *> getInnerAllocators() const { | |||
1055 | return getTopOfStack().InnerUsedAllocators; | |||
1056 | } | |||
1057 | /// Marks the declaration as implicitly firstprivate nin the task-based | |||
1058 | /// regions. | |||
1059 | void addImplicitTaskFirstprivate(unsigned Level, Decl *D) { | |||
1060 | getStackElemAtLevel(Level).ImplicitTaskFirstprivates.insert(D); | |||
1061 | } | |||
1062 | /// Checks if the decl is implicitly firstprivate in the task-based region. | |||
1063 | bool isImplicitTaskFirstprivate(Decl *D) const { | |||
1064 | return getTopOfStack().ImplicitTaskFirstprivates.count(D) > 0; | |||
1065 | } | |||
1066 | ||||
1067 | /// Marks decl as used in uses_allocators clause as the allocator. | |||
1068 | void addUsesAllocatorsDecl(const Decl *D, UsesAllocatorsDeclKind Kind) { | |||
1069 | getTopOfStack().UsesAllocatorsDecls.try_emplace(D, Kind); | |||
1070 | } | |||
1071 | /// Checks if specified decl is used in uses allocator clause as the | |||
1072 | /// allocator. | |||
1073 | Optional<UsesAllocatorsDeclKind> isUsesAllocatorsDecl(unsigned Level, | |||
1074 | const Decl *D) const { | |||
1075 | const SharingMapTy &StackElem = getTopOfStack(); | |||
1076 | auto I = StackElem.UsesAllocatorsDecls.find(D); | |||
1077 | if (I == StackElem.UsesAllocatorsDecls.end()) | |||
1078 | return None; | |||
1079 | return I->getSecond(); | |||
1080 | } | |||
1081 | Optional<UsesAllocatorsDeclKind> isUsesAllocatorsDecl(const Decl *D) const { | |||
1082 | const SharingMapTy &StackElem = getTopOfStack(); | |||
1083 | auto I = StackElem.UsesAllocatorsDecls.find(D); | |||
1084 | if (I == StackElem.UsesAllocatorsDecls.end()) | |||
1085 | return None; | |||
1086 | return I->getSecond(); | |||
1087 | } | |||
1088 | ||||
1089 | void addDeclareMapperVarRef(Expr *Ref) { | |||
1090 | SharingMapTy &StackElem = getTopOfStack(); | |||
1091 | StackElem.DeclareMapperVar = Ref; | |||
1092 | } | |||
1093 | const Expr *getDeclareMapperVarRef() const { | |||
1094 | const SharingMapTy *Top = getTopOfStackOrNull(); | |||
1095 | return Top ? Top->DeclareMapperVar : nullptr; | |||
1096 | } | |||
1097 | }; | |||
1098 | ||||
1099 | bool isImplicitTaskingRegion(OpenMPDirectiveKind DKind) { | |||
1100 | return isOpenMPParallelDirective(DKind) || isOpenMPTeamsDirective(DKind); | |||
1101 | } | |||
1102 | ||||
1103 | bool isImplicitOrExplicitTaskingRegion(OpenMPDirectiveKind DKind) { | |||
1104 | return isImplicitTaskingRegion(DKind) || isOpenMPTaskingDirective(DKind) || | |||
1105 | DKind == OMPD_unknown; | |||
1106 | } | |||
1107 | ||||
1108 | } // namespace | |||
1109 | ||||
1110 | static const Expr *getExprAsWritten(const Expr *E) { | |||
1111 | if (const auto *FE = dyn_cast<FullExpr>(E)) | |||
1112 | E = FE->getSubExpr(); | |||
1113 | ||||
1114 | if (const auto *MTE = dyn_cast<MaterializeTemporaryExpr>(E)) | |||
1115 | E = MTE->getSubExpr(); | |||
1116 | ||||
1117 | while (const auto *Binder = dyn_cast<CXXBindTemporaryExpr>(E)) | |||
1118 | E = Binder->getSubExpr(); | |||
1119 | ||||
1120 | if (const auto *ICE = dyn_cast<ImplicitCastExpr>(E)) | |||
1121 | E = ICE->getSubExprAsWritten(); | |||
1122 | return E->IgnoreParens(); | |||
1123 | } | |||
1124 | ||||
1125 | static Expr *getExprAsWritten(Expr *E) { | |||
1126 | return const_cast<Expr *>(getExprAsWritten(const_cast<const Expr *>(E))); | |||
1127 | } | |||
1128 | ||||
1129 | static const ValueDecl *getCanonicalDecl(const ValueDecl *D) { | |||
1130 | if (const auto *CED = dyn_cast<OMPCapturedExprDecl>(D)) | |||
1131 | if (const auto *ME = dyn_cast<MemberExpr>(getExprAsWritten(CED->getInit()))) | |||
1132 | D = ME->getMemberDecl(); | |||
1133 | const auto *VD = dyn_cast<VarDecl>(D); | |||
1134 | const auto *FD = dyn_cast<FieldDecl>(D); | |||
1135 | if (VD != nullptr) { | |||
1136 | VD = VD->getCanonicalDecl(); | |||
1137 | D = VD; | |||
1138 | } else { | |||
1139 | assert(FD)((void)0); | |||
1140 | FD = FD->getCanonicalDecl(); | |||
1141 | D = FD; | |||
1142 | } | |||
1143 | return D; | |||
1144 | } | |||
1145 | ||||
1146 | static ValueDecl *getCanonicalDecl(ValueDecl *D) { | |||
1147 | return const_cast<ValueDecl *>( | |||
1148 | getCanonicalDecl(const_cast<const ValueDecl *>(D))); | |||
1149 | } | |||
1150 | ||||
1151 | DSAStackTy::DSAVarData DSAStackTy::getDSA(const_iterator &Iter, | |||
1152 | ValueDecl *D) const { | |||
1153 | D = getCanonicalDecl(D); | |||
1154 | auto *VD = dyn_cast<VarDecl>(D); | |||
1155 | const auto *FD = dyn_cast<FieldDecl>(D); | |||
1156 | DSAVarData DVar; | |||
1157 | if (Iter == end()) { | |||
1158 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
1159 | // in a region but not in construct] | |||
1160 | // File-scope or namespace-scope variables referenced in called routines | |||
1161 | // in the region are shared unless they appear in a threadprivate | |||
1162 | // directive. | |||
1163 | if (VD && !VD->isFunctionOrMethodVarDecl() && !isa<ParmVarDecl>(VD)) | |||
1164 | DVar.CKind = OMPC_shared; | |||
1165 | ||||
1166 | // OpenMP [2.9.1.2, Data-sharing Attribute Rules for Variables Referenced | |||
1167 | // in a region but not in construct] | |||
1168 | // Variables with static storage duration that are declared in called | |||
1169 | // routines in the region are shared. | |||
1170 | if (VD && VD->hasGlobalStorage()) | |||
1171 | DVar.CKind = OMPC_shared; | |||
1172 | ||||
1173 | // Non-static data members are shared by default. | |||
1174 | if (FD) | |||
1175 | DVar.CKind = OMPC_shared; | |||
1176 | ||||
1177 | return DVar; | |||
1178 | } | |||
1179 | ||||
1180 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
1181 | // in a Construct, C/C++, predetermined, p.1] | |||
1182 | // Variables with automatic storage duration that are declared in a scope | |||
1183 | // inside the construct are private. | |||
1184 | if (VD && isOpenMPLocal(VD, Iter) && VD->isLocalVarDecl() && | |||
1185 | (VD->getStorageClass() == SC_Auto || VD->getStorageClass() == SC_None)) { | |||
1186 | DVar.CKind = OMPC_private; | |||
1187 | return DVar; | |||
1188 | } | |||
1189 | ||||
1190 | DVar.DKind = Iter->Directive; | |||
1191 | // Explicitly specified attributes and local variables with predetermined | |||
1192 | // attributes. | |||
1193 | if (Iter->SharingMap.count(D)) { | |||
1194 | const DSAInfo &Data = Iter->SharingMap.lookup(D); | |||
1195 | DVar.RefExpr = Data.RefExpr.getPointer(); | |||
1196 | DVar.PrivateCopy = Data.PrivateCopy; | |||
1197 | DVar.CKind = Data.Attributes; | |||
1198 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; | |||
1199 | DVar.Modifier = Data.Modifier; | |||
1200 | DVar.AppliedToPointee = Data.AppliedToPointee; | |||
1201 | return DVar; | |||
1202 | } | |||
1203 | ||||
1204 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
1205 | // in a Construct, C/C++, implicitly determined, p.1] | |||
1206 | // In a parallel or task construct, the data-sharing attributes of these | |||
1207 | // variables are determined by the default clause, if present. | |||
1208 | switch (Iter->DefaultAttr) { | |||
1209 | case DSA_shared: | |||
1210 | DVar.CKind = OMPC_shared; | |||
1211 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; | |||
1212 | return DVar; | |||
1213 | case DSA_none: | |||
1214 | return DVar; | |||
1215 | case DSA_firstprivate: | |||
1216 | if (VD->getStorageDuration() == SD_Static && | |||
1217 | VD->getDeclContext()->isFileContext()) { | |||
1218 | DVar.CKind = OMPC_unknown; | |||
1219 | } else { | |||
1220 | DVar.CKind = OMPC_firstprivate; | |||
1221 | } | |||
1222 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; | |||
1223 | return DVar; | |||
1224 | case DSA_unspecified: | |||
1225 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
1226 | // in a Construct, implicitly determined, p.2] | |||
1227 | // In a parallel construct, if no default clause is present, these | |||
1228 | // variables are shared. | |||
1229 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; | |||
1230 | if ((isOpenMPParallelDirective(DVar.DKind) && | |||
1231 | !isOpenMPTaskLoopDirective(DVar.DKind)) || | |||
1232 | isOpenMPTeamsDirective(DVar.DKind)) { | |||
1233 | DVar.CKind = OMPC_shared; | |||
1234 | return DVar; | |||
1235 | } | |||
1236 | ||||
1237 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
1238 | // in a Construct, implicitly determined, p.4] | |||
1239 | // In a task construct, if no default clause is present, a variable that in | |||
1240 | // the enclosing context is determined to be shared by all implicit tasks | |||
1241 | // bound to the current team is shared. | |||
1242 | if (isOpenMPTaskingDirective(DVar.DKind)) { | |||
1243 | DSAVarData DVarTemp; | |||
1244 | const_iterator I = Iter, E = end(); | |||
1245 | do { | |||
1246 | ++I; | |||
1247 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables | |||
1248 | // Referenced in a Construct, implicitly determined, p.6] | |||
1249 | // In a task construct, if no default clause is present, a variable | |||
1250 | // whose data-sharing attribute is not determined by the rules above is | |||
1251 | // firstprivate. | |||
1252 | DVarTemp = getDSA(I, D); | |||
1253 | if (DVarTemp.CKind != OMPC_shared) { | |||
1254 | DVar.RefExpr = nullptr; | |||
1255 | DVar.CKind = OMPC_firstprivate; | |||
1256 | return DVar; | |||
1257 | } | |||
1258 | } while (I != E && !isImplicitTaskingRegion(I->Directive)); | |||
1259 | DVar.CKind = | |||
1260 | (DVarTemp.CKind == OMPC_unknown) ? OMPC_firstprivate : OMPC_shared; | |||
1261 | return DVar; | |||
1262 | } | |||
1263 | } | |||
1264 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
1265 | // in a Construct, implicitly determined, p.3] | |||
1266 | // For constructs other than task, if no default clause is present, these | |||
1267 | // variables inherit their data-sharing attributes from the enclosing | |||
1268 | // context. | |||
1269 | return getDSA(++Iter, D); | |||
1270 | } | |||
1271 | ||||
1272 | const Expr *DSAStackTy::addUniqueAligned(const ValueDecl *D, | |||
1273 | const Expr *NewDE) { | |||
1274 | assert(!isStackEmpty() && "Data sharing attributes stack is empty")((void)0); | |||
1275 | D = getCanonicalDecl(D); | |||
1276 | SharingMapTy &StackElem = getTopOfStack(); | |||
1277 | auto It = StackElem.AlignedMap.find(D); | |||
1278 | if (It == StackElem.AlignedMap.end()) { | |||
1279 | assert(NewDE && "Unexpected nullptr expr to be added into aligned map")((void)0); | |||
1280 | StackElem.AlignedMap[D] = NewDE; | |||
1281 | return nullptr; | |||
1282 | } | |||
1283 | assert(It->second && "Unexpected nullptr expr in the aligned map")((void)0); | |||
1284 | return It->second; | |||
1285 | } | |||
1286 | ||||
1287 | const Expr *DSAStackTy::addUniqueNontemporal(const ValueDecl *D, | |||
1288 | const Expr *NewDE) { | |||
1289 | assert(!isStackEmpty() && "Data sharing attributes stack is empty")((void)0); | |||
1290 | D = getCanonicalDecl(D); | |||
1291 | SharingMapTy &StackElem = getTopOfStack(); | |||
1292 | auto It = StackElem.NontemporalMap.find(D); | |||
1293 | if (It == StackElem.NontemporalMap.end()) { | |||
1294 | assert(NewDE && "Unexpected nullptr expr to be added into aligned map")((void)0); | |||
1295 | StackElem.NontemporalMap[D] = NewDE; | |||
1296 | return nullptr; | |||
1297 | } | |||
1298 | assert(It->second && "Unexpected nullptr expr in the aligned map")((void)0); | |||
1299 | return It->second; | |||
1300 | } | |||
1301 | ||||
1302 | void DSAStackTy::addLoopControlVariable(const ValueDecl *D, VarDecl *Capture) { | |||
1303 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")((void)0); | |||
1304 | D = getCanonicalDecl(D); | |||
1305 | SharingMapTy &StackElem = getTopOfStack(); | |||
1306 | StackElem.LCVMap.try_emplace( | |||
1307 | D, LCDeclInfo(StackElem.LCVMap.size() + 1, Capture)); | |||
1308 | } | |||
1309 | ||||
1310 | const DSAStackTy::LCDeclInfo | |||
1311 | DSAStackTy::isLoopControlVariable(const ValueDecl *D) const { | |||
1312 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")((void)0); | |||
1313 | D = getCanonicalDecl(D); | |||
1314 | const SharingMapTy &StackElem = getTopOfStack(); | |||
1315 | auto It = StackElem.LCVMap.find(D); | |||
1316 | if (It != StackElem.LCVMap.end()) | |||
1317 | return It->second; | |||
1318 | return {0, nullptr}; | |||
1319 | } | |||
1320 | ||||
1321 | const DSAStackTy::LCDeclInfo | |||
1322 | DSAStackTy::isLoopControlVariable(const ValueDecl *D, unsigned Level) const { | |||
1323 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")((void)0); | |||
1324 | D = getCanonicalDecl(D); | |||
1325 | for (unsigned I = Level + 1; I > 0; --I) { | |||
1326 | const SharingMapTy &StackElem = getStackElemAtLevel(I - 1); | |||
1327 | auto It = StackElem.LCVMap.find(D); | |||
1328 | if (It != StackElem.LCVMap.end()) | |||
1329 | return It->second; | |||
1330 | } | |||
1331 | return {0, nullptr}; | |||
1332 | } | |||
1333 | ||||
1334 | const DSAStackTy::LCDeclInfo | |||
1335 | DSAStackTy::isParentLoopControlVariable(const ValueDecl *D) const { | |||
1336 | const SharingMapTy *Parent = getSecondOnStackOrNull(); | |||
1337 | assert(Parent && "Data-sharing attributes stack is empty")((void)0); | |||
1338 | D = getCanonicalDecl(D); | |||
1339 | auto It = Parent->LCVMap.find(D); | |||
1340 | if (It != Parent->LCVMap.end()) | |||
1341 | return It->second; | |||
1342 | return {0, nullptr}; | |||
1343 | } | |||
1344 | ||||
1345 | const ValueDecl *DSAStackTy::getParentLoopControlVariable(unsigned I) const { | |||
1346 | const SharingMapTy *Parent = getSecondOnStackOrNull(); | |||
1347 | assert(Parent && "Data-sharing attributes stack is empty")((void)0); | |||
1348 | if (Parent->LCVMap.size() < I) | |||
1349 | return nullptr; | |||
1350 | for (const auto &Pair : Parent->LCVMap) | |||
1351 | if (Pair.second.first == I) | |||
1352 | return Pair.first; | |||
1353 | return nullptr; | |||
1354 | } | |||
1355 | ||||
1356 | void DSAStackTy::addDSA(const ValueDecl *D, const Expr *E, OpenMPClauseKind A, | |||
1357 | DeclRefExpr *PrivateCopy, unsigned Modifier, | |||
1358 | bool AppliedToPointee) { | |||
1359 | D = getCanonicalDecl(D); | |||
1360 | if (A == OMPC_threadprivate) { | |||
1361 | DSAInfo &Data = Threadprivates[D]; | |||
1362 | Data.Attributes = A; | |||
1363 | Data.RefExpr.setPointer(E); | |||
1364 | Data.PrivateCopy = nullptr; | |||
1365 | Data.Modifier = Modifier; | |||
1366 | } else { | |||
1367 | DSAInfo &Data = getTopOfStack().SharingMap[D]; | |||
1368 | assert(Data.Attributes == OMPC_unknown || (A == Data.Attributes) ||((void)0) | |||
1369 | (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate) ||((void)0) | |||
1370 | (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) ||((void)0) | |||
1371 | (isLoopControlVariable(D).first && A == OMPC_private))((void)0); | |||
1372 | Data.Modifier = Modifier; | |||
1373 | if (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) { | |||
1374 | Data.RefExpr.setInt(/*IntVal=*/true); | |||
1375 | return; | |||
1376 | } | |||
1377 | const bool IsLastprivate = | |||
1378 | A == OMPC_lastprivate || Data.Attributes == OMPC_lastprivate; | |||
1379 | Data.Attributes = A; | |||
1380 | Data.RefExpr.setPointerAndInt(E, IsLastprivate); | |||
1381 | Data.PrivateCopy = PrivateCopy; | |||
1382 | Data.AppliedToPointee = AppliedToPointee; | |||
1383 | if (PrivateCopy) { | |||
1384 | DSAInfo &Data = getTopOfStack().SharingMap[PrivateCopy->getDecl()]; | |||
1385 | Data.Modifier = Modifier; | |||
1386 | Data.Attributes = A; | |||
1387 | Data.RefExpr.setPointerAndInt(PrivateCopy, IsLastprivate); | |||
1388 | Data.PrivateCopy = nullptr; | |||
1389 | Data.AppliedToPointee = AppliedToPointee; | |||
1390 | } | |||
1391 | } | |||
1392 | } | |||
1393 | ||||
1394 | /// Build a variable declaration for OpenMP loop iteration variable. | |||
1395 | static VarDecl *buildVarDecl(Sema &SemaRef, SourceLocation Loc, QualType Type, | |||
1396 | StringRef Name, const AttrVec *Attrs = nullptr, | |||
1397 | DeclRefExpr *OrigRef = nullptr) { | |||
1398 | DeclContext *DC = SemaRef.CurContext; | |||
1399 | IdentifierInfo *II = &SemaRef.PP.getIdentifierTable().get(Name); | |||
1400 | TypeSourceInfo *TInfo = SemaRef.Context.getTrivialTypeSourceInfo(Type, Loc); | |||
1401 | auto *Decl = | |||
1402 | VarDecl::Create(SemaRef.Context, DC, Loc, Loc, II, Type, TInfo, SC_None); | |||
1403 | if (Attrs) { | |||
1404 | for (specific_attr_iterator<AlignedAttr> I(Attrs->begin()), E(Attrs->end()); | |||
1405 | I != E; ++I) | |||
1406 | Decl->addAttr(*I); | |||
1407 | } | |||
1408 | Decl->setImplicit(); | |||
1409 | if (OrigRef) { | |||
1410 | Decl->addAttr( | |||
1411 | OMPReferencedVarAttr::CreateImplicit(SemaRef.Context, OrigRef)); | |||
1412 | } | |||
1413 | return Decl; | |||
1414 | } | |||
1415 | ||||
1416 | static DeclRefExpr *buildDeclRefExpr(Sema &S, VarDecl *D, QualType Ty, | |||
1417 | SourceLocation Loc, | |||
1418 | bool RefersToCapture = false) { | |||
1419 | D->setReferenced(); | |||
1420 | D->markUsed(S.Context); | |||
1421 | return DeclRefExpr::Create(S.getASTContext(), NestedNameSpecifierLoc(), | |||
1422 | SourceLocation(), D, RefersToCapture, Loc, Ty, | |||
1423 | VK_LValue); | |||
1424 | } | |||
1425 | ||||
1426 | void DSAStackTy::addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, | |||
1427 | BinaryOperatorKind BOK) { | |||
1428 | D = getCanonicalDecl(D); | |||
1429 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")((void)0); | |||
1430 | assert(((void)0) | |||
1431 | getTopOfStack().SharingMap[D].Attributes == OMPC_reduction &&((void)0) | |||
1432 | "Additional reduction info may be specified only for reduction items.")((void)0); | |||
1433 | ReductionData &ReductionData = getTopOfStack().ReductionMap[D]; | |||
1434 | assert(ReductionData.ReductionRange.isInvalid() &&((void)0) | |||
1435 | (getTopOfStack().Directive == OMPD_taskgroup ||((void)0) | |||
1436 | ((isOpenMPParallelDirective(getTopOfStack().Directive) ||((void)0) | |||
1437 | isOpenMPWorksharingDirective(getTopOfStack().Directive)) &&((void)0) | |||
1438 | !isOpenMPSimdDirective(getTopOfStack().Directive))) &&((void)0) | |||
1439 | "Additional reduction info may be specified only once for reduction "((void)0) | |||
1440 | "items.")((void)0); | |||
1441 | ReductionData.set(BOK, SR); | |||
1442 | Expr *&TaskgroupReductionRef = | |||
1443 | getTopOfStack().TaskgroupReductionRef; | |||
1444 | if (!TaskgroupReductionRef) { | |||
1445 | VarDecl *VD = buildVarDecl(SemaRef, SR.getBegin(), | |||
1446 | SemaRef.Context.VoidPtrTy, ".task_red."); | |||
1447 | TaskgroupReductionRef = | |||
1448 | buildDeclRefExpr(SemaRef, VD, SemaRef.Context.VoidPtrTy, SR.getBegin()); | |||
1449 | } | |||
1450 | } | |||
1451 | ||||
1452 | void DSAStackTy::addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, | |||
1453 | const Expr *ReductionRef) { | |||
1454 | D = getCanonicalDecl(D); | |||
1455 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")((void)0); | |||
1456 | assert(((void)0) | |||
1457 | getTopOfStack().SharingMap[D].Attributes == OMPC_reduction &&((void)0) | |||
1458 | "Additional reduction info may be specified only for reduction items.")((void)0); | |||
1459 | ReductionData &ReductionData = getTopOfStack().ReductionMap[D]; | |||
1460 | assert(ReductionData.ReductionRange.isInvalid() &&((void)0) | |||
1461 | (getTopOfStack().Directive == OMPD_taskgroup ||((void)0) | |||
1462 | ((isOpenMPParallelDirective(getTopOfStack().Directive) ||((void)0) | |||
1463 | isOpenMPWorksharingDirective(getTopOfStack().Directive)) &&((void)0) | |||
1464 | !isOpenMPSimdDirective(getTopOfStack().Directive))) &&((void)0) | |||
1465 | "Additional reduction info may be specified only once for reduction "((void)0) | |||
1466 | "items.")((void)0); | |||
1467 | ReductionData.set(ReductionRef, SR); | |||
1468 | Expr *&TaskgroupReductionRef = | |||
1469 | getTopOfStack().TaskgroupReductionRef; | |||
1470 | if (!TaskgroupReductionRef) { | |||
1471 | VarDecl *VD = buildVarDecl(SemaRef, SR.getBegin(), | |||
1472 | SemaRef.Context.VoidPtrTy, ".task_red."); | |||
1473 | TaskgroupReductionRef = | |||
1474 | buildDeclRefExpr(SemaRef, VD, SemaRef.Context.VoidPtrTy, SR.getBegin()); | |||
1475 | } | |||
1476 | } | |||
1477 | ||||
1478 | const DSAStackTy::DSAVarData DSAStackTy::getTopMostTaskgroupReductionData( | |||
1479 | const ValueDecl *D, SourceRange &SR, BinaryOperatorKind &BOK, | |||
1480 | Expr *&TaskgroupDescriptor) const { | |||
1481 | D = getCanonicalDecl(D); | |||
1482 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty.")((void)0); | |||
1483 | for (const_iterator I = begin() + 1, E = end(); I != E; ++I) { | |||
1484 | const DSAInfo &Data = I->SharingMap.lookup(D); | |||
1485 | if (Data.Attributes != OMPC_reduction || | |||
1486 | Data.Modifier != OMPC_REDUCTION_task) | |||
1487 | continue; | |||
1488 | const ReductionData &ReductionData = I->ReductionMap.lookup(D); | |||
1489 | if (!ReductionData.ReductionOp || | |||
1490 | ReductionData.ReductionOp.is<const Expr *>()) | |||
1491 | return DSAVarData(); | |||
1492 | SR = ReductionData.ReductionRange; | |||
1493 | BOK = ReductionData.ReductionOp.get<ReductionData::BOKPtrType>(); | |||
1494 | assert(I->TaskgroupReductionRef && "taskgroup reduction reference "((void)0) | |||
1495 | "expression for the descriptor is not "((void)0) | |||
1496 | "set.")((void)0); | |||
1497 | TaskgroupDescriptor = I->TaskgroupReductionRef; | |||
1498 | return DSAVarData(I->Directive, OMPC_reduction, Data.RefExpr.getPointer(), | |||
1499 | Data.PrivateCopy, I->DefaultAttrLoc, OMPC_REDUCTION_task, | |||
1500 | /*AppliedToPointee=*/false); | |||
1501 | } | |||
1502 | return DSAVarData(); | |||
1503 | } | |||
1504 | ||||
1505 | const DSAStackTy::DSAVarData DSAStackTy::getTopMostTaskgroupReductionData( | |||
1506 | const ValueDecl *D, SourceRange &SR, const Expr *&ReductionRef, | |||
1507 | Expr *&TaskgroupDescriptor) const { | |||
1508 | D = getCanonicalDecl(D); | |||
1509 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty.")((void)0); | |||
1510 | for (const_iterator I = begin() + 1, E = end(); I != E; ++I) { | |||
1511 | const DSAInfo &Data = I->SharingMap.lookup(D); | |||
1512 | if (Data.Attributes != OMPC_reduction || | |||
1513 | Data.Modifier != OMPC_REDUCTION_task) | |||
1514 | continue; | |||
1515 | const ReductionData &ReductionData = I->ReductionMap.lookup(D); | |||
1516 | if (!ReductionData.ReductionOp || | |||
1517 | !ReductionData.ReductionOp.is<const Expr *>()) | |||
1518 | return DSAVarData(); | |||
1519 | SR = ReductionData.ReductionRange; | |||
1520 | ReductionRef = ReductionData.ReductionOp.get<const Expr *>(); | |||
1521 | assert(I->TaskgroupReductionRef && "taskgroup reduction reference "((void)0) | |||
1522 | "expression for the descriptor is not "((void)0) | |||
1523 | "set.")((void)0); | |||
1524 | TaskgroupDescriptor = I->TaskgroupReductionRef; | |||
1525 | return DSAVarData(I->Directive, OMPC_reduction, Data.RefExpr.getPointer(), | |||
1526 | Data.PrivateCopy, I->DefaultAttrLoc, OMPC_REDUCTION_task, | |||
1527 | /*AppliedToPointee=*/false); | |||
1528 | } | |||
1529 | return DSAVarData(); | |||
1530 | } | |||
1531 | ||||
1532 | bool DSAStackTy::isOpenMPLocal(VarDecl *D, const_iterator I) const { | |||
1533 | D = D->getCanonicalDecl(); | |||
1534 | for (const_iterator E = end(); I != E; ++I) { | |||
1535 | if (isImplicitOrExplicitTaskingRegion(I->Directive) || | |||
1536 | isOpenMPTargetExecutionDirective(I->Directive)) { | |||
1537 | if (I->CurScope) { | |||
1538 | Scope *TopScope = I->CurScope->getParent(); | |||
1539 | Scope *CurScope = getCurScope(); | |||
1540 | while (CurScope && CurScope != TopScope && !CurScope->isDeclScope(D)) | |||
1541 | CurScope = CurScope->getParent(); | |||
1542 | return CurScope != TopScope; | |||
1543 | } | |||
1544 | for (DeclContext *DC = D->getDeclContext(); DC; DC = DC->getParent()) | |||
1545 | if (I->Context == DC) | |||
1546 | return true; | |||
1547 | return false; | |||
1548 | } | |||
1549 | } | |||
1550 | return false; | |||
1551 | } | |||
1552 | ||||
1553 | static bool isConstNotMutableType(Sema &SemaRef, QualType Type, | |||
1554 | bool AcceptIfMutable = true, | |||
1555 | bool *IsClassType = nullptr) { | |||
1556 | ASTContext &Context = SemaRef.getASTContext(); | |||
1557 | Type = Type.getNonReferenceType().getCanonicalType(); | |||
1558 | bool IsConstant = Type.isConstant(Context); | |||
1559 | Type = Context.getBaseElementType(Type); | |||
1560 | const CXXRecordDecl *RD = AcceptIfMutable && SemaRef.getLangOpts().CPlusPlus | |||
1561 | ? Type->getAsCXXRecordDecl() | |||
1562 | : nullptr; | |||
1563 | if (const auto *CTSD = dyn_cast_or_null<ClassTemplateSpecializationDecl>(RD)) | |||
1564 | if (const ClassTemplateDecl *CTD = CTSD->getSpecializedTemplate()) | |||
1565 | RD = CTD->getTemplatedDecl(); | |||
1566 | if (IsClassType) | |||
1567 | *IsClassType = RD; | |||
1568 | return IsConstant && !(SemaRef.getLangOpts().CPlusPlus && RD && | |||
1569 | RD->hasDefinition() && RD->hasMutableFields()); | |||
1570 | } | |||
1571 | ||||
1572 | static bool rejectConstNotMutableType(Sema &SemaRef, const ValueDecl *D, | |||
1573 | QualType Type, OpenMPClauseKind CKind, | |||
1574 | SourceLocation ELoc, | |||
1575 | bool AcceptIfMutable = true, | |||
1576 | bool ListItemNotVar = false) { | |||
1577 | ASTContext &Context = SemaRef.getASTContext(); | |||
1578 | bool IsClassType; | |||
1579 | if (isConstNotMutableType(SemaRef, Type, AcceptIfMutable, &IsClassType)) { | |||
1580 | unsigned Diag = ListItemNotVar | |||
1581 | ? diag::err_omp_const_list_item | |||
1582 | : IsClassType ? diag::err_omp_const_not_mutable_variable | |||
1583 | : diag::err_omp_const_variable; | |||
1584 | SemaRef.Diag(ELoc, Diag) << getOpenMPClauseName(CKind); | |||
1585 | if (!ListItemNotVar && D) { | |||
1586 | const VarDecl *VD = dyn_cast<VarDecl>(D); | |||
1587 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == | |||
1588 | VarDecl::DeclarationOnly; | |||
1589 | SemaRef.Diag(D->getLocation(), | |||
1590 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
1591 | << D; | |||
1592 | } | |||
1593 | return true; | |||
1594 | } | |||
1595 | return false; | |||
1596 | } | |||
1597 | ||||
1598 | const DSAStackTy::DSAVarData DSAStackTy::getTopDSA(ValueDecl *D, | |||
1599 | bool FromParent) { | |||
1600 | D = getCanonicalDecl(D); | |||
1601 | DSAVarData DVar; | |||
1602 | ||||
1603 | auto *VD = dyn_cast<VarDecl>(D); | |||
1604 | auto TI = Threadprivates.find(D); | |||
1605 | if (TI != Threadprivates.end()) { | |||
1606 | DVar.RefExpr = TI->getSecond().RefExpr.getPointer(); | |||
1607 | DVar.CKind = OMPC_threadprivate; | |||
1608 | DVar.Modifier = TI->getSecond().Modifier; | |||
1609 | return DVar; | |||
1610 | } | |||
1611 | if (VD && VD->hasAttr<OMPThreadPrivateDeclAttr>()) { | |||
1612 | DVar.RefExpr = buildDeclRefExpr( | |||
1613 | SemaRef, VD, D->getType().getNonReferenceType(), | |||
1614 | VD->getAttr<OMPThreadPrivateDeclAttr>()->getLocation()); | |||
1615 | DVar.CKind = OMPC_threadprivate; | |||
1616 | addDSA(D, DVar.RefExpr, OMPC_threadprivate); | |||
1617 | return DVar; | |||
1618 | } | |||
1619 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
1620 | // in a Construct, C/C++, predetermined, p.1] | |||
1621 | // Variables appearing in threadprivate directives are threadprivate. | |||
1622 | if ((VD && VD->getTLSKind() != VarDecl::TLS_None && | |||
1623 | !(VD->hasAttr<OMPThreadPrivateDeclAttr>() && | |||
1624 | SemaRef.getLangOpts().OpenMPUseTLS && | |||
1625 | SemaRef.getASTContext().getTargetInfo().isTLSSupported())) || | |||
1626 | (VD && VD->getStorageClass() == SC_Register && | |||
1627 | VD->hasAttr<AsmLabelAttr>() && !VD->isLocalVarDecl())) { | |||
1628 | DVar.RefExpr = buildDeclRefExpr( | |||
1629 | SemaRef, VD, D->getType().getNonReferenceType(), D->getLocation()); | |||
1630 | DVar.CKind = OMPC_threadprivate; | |||
1631 | addDSA(D, DVar.RefExpr, OMPC_threadprivate); | |||
1632 | return DVar; | |||
1633 | } | |||
1634 | if (SemaRef.getLangOpts().OpenMPCUDAMode && VD && | |||
1635 | VD->isLocalVarDeclOrParm() && !isStackEmpty() && | |||
1636 | !isLoopControlVariable(D).first) { | |||
1637 | const_iterator IterTarget = | |||
1638 | std::find_if(begin(), end(), [](const SharingMapTy &Data) { | |||
1639 | return isOpenMPTargetExecutionDirective(Data.Directive); | |||
1640 | }); | |||
1641 | if (IterTarget != end()) { | |||
1642 | const_iterator ParentIterTarget = IterTarget + 1; | |||
1643 | for (const_iterator Iter = begin(); | |||
1644 | Iter != ParentIterTarget; ++Iter) { | |||
1645 | if (isOpenMPLocal(VD, Iter)) { | |||
1646 | DVar.RefExpr = | |||
1647 | buildDeclRefExpr(SemaRef, VD, D->getType().getNonReferenceType(), | |||
1648 | D->getLocation()); | |||
1649 | DVar.CKind = OMPC_threadprivate; | |||
1650 | return DVar; | |||
1651 | } | |||
1652 | } | |||
1653 | if (!isClauseParsingMode() || IterTarget != begin()) { | |||
1654 | auto DSAIter = IterTarget->SharingMap.find(D); | |||
1655 | if (DSAIter != IterTarget->SharingMap.end() && | |||
1656 | isOpenMPPrivate(DSAIter->getSecond().Attributes)) { | |||
1657 | DVar.RefExpr = DSAIter->getSecond().RefExpr.getPointer(); | |||
1658 | DVar.CKind = OMPC_threadprivate; | |||
1659 | return DVar; | |||
1660 | } | |||
1661 | const_iterator End = end(); | |||
1662 | if (!SemaRef.isOpenMPCapturedByRef( | |||
1663 | D, std::distance(ParentIterTarget, End), | |||
1664 | /*OpenMPCaptureLevel=*/0)) { | |||
1665 | DVar.RefExpr = | |||
1666 | buildDeclRefExpr(SemaRef, VD, D->getType().getNonReferenceType(), | |||
1667 | IterTarget->ConstructLoc); | |||
1668 | DVar.CKind = OMPC_threadprivate; | |||
1669 | return DVar; | |||
1670 | } | |||
1671 | } | |||
1672 | } | |||
1673 | } | |||
1674 | ||||
1675 | if (isStackEmpty()) | |||
1676 | // Not in OpenMP execution region and top scope was already checked. | |||
1677 | return DVar; | |||
1678 | ||||
1679 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
1680 | // in a Construct, C/C++, predetermined, p.4] | |||
1681 | // Static data members are shared. | |||
1682 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
1683 | // in a Construct, C/C++, predetermined, p.7] | |||
1684 | // Variables with static storage duration that are declared in a scope | |||
1685 | // inside the construct are shared. | |||
1686 | if (VD && VD->isStaticDataMember()) { | |||
1687 | // Check for explicitly specified attributes. | |||
1688 | const_iterator I = begin(); | |||
1689 | const_iterator EndI = end(); | |||
1690 | if (FromParent && I != EndI) | |||
1691 | ++I; | |||
1692 | if (I != EndI) { | |||
1693 | auto It = I->SharingMap.find(D); | |||
1694 | if (It != I->SharingMap.end()) { | |||
1695 | const DSAInfo &Data = It->getSecond(); | |||
1696 | DVar.RefExpr = Data.RefExpr.getPointer(); | |||
1697 | DVar.PrivateCopy = Data.PrivateCopy; | |||
1698 | DVar.CKind = Data.Attributes; | |||
1699 | DVar.ImplicitDSALoc = I->DefaultAttrLoc; | |||
1700 | DVar.DKind = I->Directive; | |||
1701 | DVar.Modifier = Data.Modifier; | |||
1702 | DVar.AppliedToPointee = Data.AppliedToPointee; | |||
1703 | return DVar; | |||
1704 | } | |||
1705 | } | |||
1706 | ||||
1707 | DVar.CKind = OMPC_shared; | |||
1708 | return DVar; | |||
1709 | } | |||
1710 | ||||
1711 | auto &&MatchesAlways = [](OpenMPDirectiveKind) { return true; }; | |||
1712 | // The predetermined shared attribute for const-qualified types having no | |||
1713 | // mutable members was removed after OpenMP 3.1. | |||
1714 | if (SemaRef.LangOpts.OpenMP <= 31) { | |||
1715 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
1716 | // in a Construct, C/C++, predetermined, p.6] | |||
1717 | // Variables with const qualified type having no mutable member are | |||
1718 | // shared. | |||
1719 | if (isConstNotMutableType(SemaRef, D->getType())) { | |||
1720 | // Variables with const-qualified type having no mutable member may be | |||
1721 | // listed in a firstprivate clause, even if they are static data members. | |||
1722 | DSAVarData DVarTemp = hasInnermostDSA( | |||
1723 | D, | |||
1724 | [](OpenMPClauseKind C, bool) { | |||
1725 | return C == OMPC_firstprivate || C == OMPC_shared; | |||
1726 | }, | |||
1727 | MatchesAlways, FromParent); | |||
1728 | if (DVarTemp.CKind != OMPC_unknown && DVarTemp.RefExpr) | |||
1729 | return DVarTemp; | |||
1730 | ||||
1731 | DVar.CKind = OMPC_shared; | |||
1732 | return DVar; | |||
1733 | } | |||
1734 | } | |||
1735 | ||||
1736 | // Explicitly specified attributes and local variables with predetermined | |||
1737 | // attributes. | |||
1738 | const_iterator I = begin(); | |||
1739 | const_iterator EndI = end(); | |||
1740 | if (FromParent && I != EndI) | |||
1741 | ++I; | |||
1742 | if (I == EndI) | |||
1743 | return DVar; | |||
1744 | auto It = I->SharingMap.find(D); | |||
1745 | if (It != I->SharingMap.end()) { | |||
1746 | const DSAInfo &Data = It->getSecond(); | |||
1747 | DVar.RefExpr = Data.RefExpr.getPointer(); | |||
1748 | DVar.PrivateCopy = Data.PrivateCopy; | |||
1749 | DVar.CKind = Data.Attributes; | |||
1750 | DVar.ImplicitDSALoc = I->DefaultAttrLoc; | |||
1751 | DVar.DKind = I->Directive; | |||
1752 | DVar.Modifier = Data.Modifier; | |||
1753 | DVar.AppliedToPointee = Data.AppliedToPointee; | |||
1754 | } | |||
1755 | ||||
1756 | return DVar; | |||
1757 | } | |||
1758 | ||||
1759 | const DSAStackTy::DSAVarData DSAStackTy::getImplicitDSA(ValueDecl *D, | |||
1760 | bool FromParent) const { | |||
1761 | if (isStackEmpty()) { | |||
1762 | const_iterator I; | |||
1763 | return getDSA(I, D); | |||
1764 | } | |||
1765 | D = getCanonicalDecl(D); | |||
1766 | const_iterator StartI = begin(); | |||
1767 | const_iterator EndI = end(); | |||
1768 | if (FromParent && StartI != EndI) | |||
1769 | ++StartI; | |||
1770 | return getDSA(StartI, D); | |||
1771 | } | |||
1772 | ||||
1773 | const DSAStackTy::DSAVarData DSAStackTy::getImplicitDSA(ValueDecl *D, | |||
1774 | unsigned Level) const { | |||
1775 | if (getStackSize() <= Level) | |||
1776 | return DSAVarData(); | |||
1777 | D = getCanonicalDecl(D); | |||
1778 | const_iterator StartI = std::next(begin(), getStackSize() - 1 - Level); | |||
1779 | return getDSA(StartI, D); | |||
1780 | } | |||
1781 | ||||
1782 | const DSAStackTy::DSAVarData | |||
1783 | DSAStackTy::hasDSA(ValueDecl *D, | |||
1784 | const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, | |||
1785 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, | |||
1786 | bool FromParent) const { | |||
1787 | if (isStackEmpty()) | |||
1788 | return {}; | |||
1789 | D = getCanonicalDecl(D); | |||
1790 | const_iterator I = begin(); | |||
1791 | const_iterator EndI = end(); | |||
1792 | if (FromParent && I != EndI) | |||
1793 | ++I; | |||
1794 | for (; I != EndI; ++I) { | |||
1795 | if (!DPred(I->Directive) && | |||
1796 | !isImplicitOrExplicitTaskingRegion(I->Directive)) | |||
1797 | continue; | |||
1798 | const_iterator NewI = I; | |||
1799 | DSAVarData DVar = getDSA(NewI, D); | |||
1800 | if (I == NewI && CPred(DVar.CKind, DVar.AppliedToPointee)) | |||
1801 | return DVar; | |||
1802 | } | |||
1803 | return {}; | |||
1804 | } | |||
1805 | ||||
1806 | const DSAStackTy::DSAVarData DSAStackTy::hasInnermostDSA( | |||
1807 | ValueDecl *D, const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, | |||
1808 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, | |||
1809 | bool FromParent) const { | |||
1810 | if (isStackEmpty()) | |||
1811 | return {}; | |||
1812 | D = getCanonicalDecl(D); | |||
1813 | const_iterator StartI = begin(); | |||
1814 | const_iterator EndI = end(); | |||
1815 | if (FromParent && StartI != EndI) | |||
1816 | ++StartI; | |||
1817 | if (StartI == EndI || !DPred(StartI->Directive)) | |||
1818 | return {}; | |||
1819 | const_iterator NewI = StartI; | |||
1820 | DSAVarData DVar = getDSA(NewI, D); | |||
1821 | return (NewI == StartI && CPred(DVar.CKind, DVar.AppliedToPointee)) | |||
1822 | ? DVar | |||
1823 | : DSAVarData(); | |||
1824 | } | |||
1825 | ||||
1826 | bool DSAStackTy::hasExplicitDSA( | |||
1827 | const ValueDecl *D, | |||
1828 | const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, | |||
1829 | unsigned Level, bool NotLastprivate) const { | |||
1830 | if (getStackSize() <= Level) | |||
1831 | return false; | |||
1832 | D = getCanonicalDecl(D); | |||
1833 | const SharingMapTy &StackElem = getStackElemAtLevel(Level); | |||
1834 | auto I = StackElem.SharingMap.find(D); | |||
1835 | if (I != StackElem.SharingMap.end() && I->getSecond().RefExpr.getPointer() && | |||
1836 | CPred(I->getSecond().Attributes, I->getSecond().AppliedToPointee) && | |||
1837 | (!NotLastprivate || !I->getSecond().RefExpr.getInt())) | |||
1838 | return true; | |||
1839 | // Check predetermined rules for the loop control variables. | |||
1840 | auto LI = StackElem.LCVMap.find(D); | |||
1841 | if (LI != StackElem.LCVMap.end()) | |||
1842 | return CPred(OMPC_private, /*AppliedToPointee=*/false); | |||
1843 | return false; | |||
1844 | } | |||
1845 | ||||
1846 | bool DSAStackTy::hasExplicitDirective( | |||
1847 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, | |||
1848 | unsigned Level) const { | |||
1849 | if (getStackSize() <= Level) | |||
1850 | return false; | |||
1851 | const SharingMapTy &StackElem = getStackElemAtLevel(Level); | |||
1852 | return DPred(StackElem.Directive); | |||
1853 | } | |||
1854 | ||||
1855 | bool DSAStackTy::hasDirective( | |||
1856 | const llvm::function_ref<bool(OpenMPDirectiveKind, | |||
1857 | const DeclarationNameInfo &, SourceLocation)> | |||
1858 | DPred, | |||
1859 | bool FromParent) const { | |||
1860 | // We look only in the enclosing region. | |||
1861 | size_t Skip = FromParent ? 2 : 1; | |||
1862 | for (const_iterator I = begin() + std::min(Skip, getStackSize()), E = end(); | |||
1863 | I != E; ++I) { | |||
1864 | if (DPred(I->Directive, I->DirectiveName, I->ConstructLoc)) | |||
1865 | return true; | |||
1866 | } | |||
1867 | return false; | |||
1868 | } | |||
1869 | ||||
1870 | void Sema::InitDataSharingAttributesStack() { | |||
1871 | VarDataSharingAttributesStack = new DSAStackTy(*this); | |||
1872 | } | |||
1873 | ||||
1874 | #define DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ) static_cast<DSAStackTy *>(VarDataSharingAttributesStack) | |||
1875 | ||||
1876 | void Sema::pushOpenMPFunctionRegion() { | |||
1877 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->pushFunction(); | |||
1878 | } | |||
1879 | ||||
1880 | void Sema::popOpenMPFunctionRegion(const FunctionScopeInfo *OldFSI) { | |||
1881 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->popFunction(OldFSI); | |||
1882 | } | |||
1883 | ||||
1884 | static bool isOpenMPDeviceDelayedContext(Sema &S) { | |||
1885 | assert(S.LangOpts.OpenMP && S.LangOpts.OpenMPIsDevice &&((void)0) | |||
1886 | "Expected OpenMP device compilation.")((void)0); | |||
1887 | return !S.isInOpenMPTargetExecutionDirective(); | |||
1888 | } | |||
1889 | ||||
1890 | namespace { | |||
1891 | /// Status of the function emission on the host/device. | |||
1892 | enum class FunctionEmissionStatus { | |||
1893 | Emitted, | |||
1894 | Discarded, | |||
1895 | Unknown, | |||
1896 | }; | |||
1897 | } // anonymous namespace | |||
1898 | ||||
1899 | Sema::SemaDiagnosticBuilder Sema::diagIfOpenMPDeviceCode(SourceLocation Loc, | |||
1900 | unsigned DiagID, | |||
1901 | FunctionDecl *FD) { | |||
1902 | assert(LangOpts.OpenMP && LangOpts.OpenMPIsDevice &&((void)0) | |||
1903 | "Expected OpenMP device compilation.")((void)0); | |||
1904 | ||||
1905 | SemaDiagnosticBuilder::Kind Kind = SemaDiagnosticBuilder::K_Nop; | |||
1906 | if (FD) { | |||
1907 | FunctionEmissionStatus FES = getEmissionStatus(FD); | |||
1908 | switch (FES) { | |||
1909 | case FunctionEmissionStatus::Emitted: | |||
1910 | Kind = SemaDiagnosticBuilder::K_Immediate; | |||
1911 | break; | |||
1912 | case FunctionEmissionStatus::Unknown: | |||
1913 | // TODO: We should always delay diagnostics here in case a target | |||
1914 | // region is in a function we do not emit. However, as the | |||
1915 | // current diagnostics are associated with the function containing | |||
1916 | // the target region and we do not emit that one, we would miss out | |||
1917 | // on diagnostics for the target region itself. We need to anchor | |||
1918 | // the diagnostics with the new generated function *or* ensure we | |||
1919 | // emit diagnostics associated with the surrounding function. | |||
1920 | Kind = isOpenMPDeviceDelayedContext(*this) | |||
1921 | ? SemaDiagnosticBuilder::K_Deferred | |||
1922 | : SemaDiagnosticBuilder::K_Immediate; | |||
1923 | break; | |||
1924 | case FunctionEmissionStatus::TemplateDiscarded: | |||
1925 | case FunctionEmissionStatus::OMPDiscarded: | |||
1926 | Kind = SemaDiagnosticBuilder::K_Nop; | |||
1927 | break; | |||
1928 | case FunctionEmissionStatus::CUDADiscarded: | |||
1929 | llvm_unreachable("CUDADiscarded unexpected in OpenMP device compilation")__builtin_unreachable(); | |||
1930 | break; | |||
1931 | } | |||
1932 | } | |||
1933 | ||||
1934 | return SemaDiagnosticBuilder(Kind, Loc, DiagID, FD, *this); | |||
1935 | } | |||
1936 | ||||
1937 | Sema::SemaDiagnosticBuilder Sema::diagIfOpenMPHostCode(SourceLocation Loc, | |||
1938 | unsigned DiagID, | |||
1939 | FunctionDecl *FD) { | |||
1940 | assert(LangOpts.OpenMP && !LangOpts.OpenMPIsDevice &&((void)0) | |||
1941 | "Expected OpenMP host compilation.")((void)0); | |||
1942 | ||||
1943 | SemaDiagnosticBuilder::Kind Kind = SemaDiagnosticBuilder::K_Nop; | |||
1944 | if (FD) { | |||
1945 | FunctionEmissionStatus FES = getEmissionStatus(FD); | |||
1946 | switch (FES) { | |||
1947 | case FunctionEmissionStatus::Emitted: | |||
1948 | Kind = SemaDiagnosticBuilder::K_Immediate; | |||
1949 | break; | |||
1950 | case FunctionEmissionStatus::Unknown: | |||
1951 | Kind = SemaDiagnosticBuilder::K_Deferred; | |||
1952 | break; | |||
1953 | case FunctionEmissionStatus::TemplateDiscarded: | |||
1954 | case FunctionEmissionStatus::OMPDiscarded: | |||
1955 | case FunctionEmissionStatus::CUDADiscarded: | |||
1956 | Kind = SemaDiagnosticBuilder::K_Nop; | |||
1957 | break; | |||
1958 | } | |||
1959 | } | |||
1960 | ||||
1961 | return SemaDiagnosticBuilder(Kind, Loc, DiagID, FD, *this); | |||
1962 | } | |||
1963 | ||||
1964 | static OpenMPDefaultmapClauseKind | |||
1965 | getVariableCategoryFromDecl(const LangOptions &LO, const ValueDecl *VD) { | |||
1966 | if (LO.OpenMP <= 45) { | |||
1967 | if (VD->getType().getNonReferenceType()->isScalarType()) | |||
1968 | return OMPC_DEFAULTMAP_scalar; | |||
1969 | return OMPC_DEFAULTMAP_aggregate; | |||
1970 | } | |||
1971 | if (VD->getType().getNonReferenceType()->isAnyPointerType()) | |||
1972 | return OMPC_DEFAULTMAP_pointer; | |||
1973 | if (VD->getType().getNonReferenceType()->isScalarType()) | |||
1974 | return OMPC_DEFAULTMAP_scalar; | |||
1975 | return OMPC_DEFAULTMAP_aggregate; | |||
1976 | } | |||
1977 | ||||
1978 | bool Sema::isOpenMPCapturedByRef(const ValueDecl *D, unsigned Level, | |||
1979 | unsigned OpenMPCaptureLevel) const { | |||
1980 | assert(LangOpts.OpenMP && "OpenMP is not allowed")((void)0); | |||
1981 | ||||
1982 | ASTContext &Ctx = getASTContext(); | |||
1983 | bool IsByRef = true; | |||
1984 | ||||
1985 | // Find the directive that is associated with the provided scope. | |||
1986 | D = cast<ValueDecl>(D->getCanonicalDecl()); | |||
1987 | QualType Ty = D->getType(); | |||
1988 | ||||
1989 | bool IsVariableUsedInMapClause = false; | |||
1990 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, Level)) { | |||
1991 | // This table summarizes how a given variable should be passed to the device | |||
1992 | // given its type and the clauses where it appears. This table is based on | |||
1993 | // the description in OpenMP 4.5 [2.10.4, target Construct] and | |||
1994 | // OpenMP 4.5 [2.15.5, Data-mapping Attribute Rules and Clauses]. | |||
1995 | // | |||
1996 | // ========================================================================= | |||
1997 | // | type | defaultmap | pvt | first | is_device_ptr | map | res. | | |||
1998 | // | |(tofrom:scalar)| | pvt | | | | | |||
1999 | // ========================================================================= | |||
2000 | // | scl | | | | - | | bycopy| | |||
2001 | // | scl | | - | x | - | - | bycopy| | |||
2002 | // | scl | | x | - | - | - | null | | |||
2003 | // | scl | x | | | - | | byref | | |||
2004 | // | scl | x | - | x | - | - | bycopy| | |||
2005 | // | scl | x | x | - | - | - | null | | |||
2006 | // | scl | | - | - | - | x | byref | | |||
2007 | // | scl | x | - | - | - | x | byref | | |||
2008 | // | |||
2009 | // | agg | n.a. | | | - | | byref | | |||
2010 | // | agg | n.a. | - | x | - | - | byref | | |||
2011 | // | agg | n.a. | x | - | - | - | null | | |||
2012 | // | agg | n.a. | - | - | - | x | byref | | |||
2013 | // | agg | n.a. | - | - | - | x[] | byref | | |||
2014 | // | |||
2015 | // | ptr | n.a. | | | - | | bycopy| | |||
2016 | // | ptr | n.a. | - | x | - | - | bycopy| | |||
2017 | // | ptr | n.a. | x | - | - | - | null | | |||
2018 | // | ptr | n.a. | - | - | - | x | byref | | |||
2019 | // | ptr | n.a. | - | - | - | x[] | bycopy| | |||
2020 | // | ptr | n.a. | - | - | x | | bycopy| | |||
2021 | // | ptr | n.a. | - | - | x | x | bycopy| | |||
2022 | // | ptr | n.a. | - | - | x | x[] | bycopy| | |||
2023 | // ========================================================================= | |||
2024 | // Legend: | |||
2025 | // scl - scalar | |||
2026 | // ptr - pointer | |||
2027 | // agg - aggregate | |||
2028 | // x - applies | |||
2029 | // - - invalid in this combination | |||
2030 | // [] - mapped with an array section | |||
2031 | // byref - should be mapped by reference | |||
2032 | // byval - should be mapped by value | |||
2033 | // null - initialize a local variable to null on the device | |||
2034 | // | |||
2035 | // Observations: | |||
2036 | // - All scalar declarations that show up in a map clause have to be passed | |||
2037 | // by reference, because they may have been mapped in the enclosing data | |||
2038 | // environment. | |||
2039 | // - If the scalar value does not fit the size of uintptr, it has to be | |||
2040 | // passed by reference, regardless the result in the table above. | |||
2041 | // - For pointers mapped by value that have either an implicit map or an | |||
2042 | // array section, the runtime library may pass the NULL value to the | |||
2043 | // device instead of the value passed to it by the compiler. | |||
2044 | ||||
2045 | if (Ty->isReferenceType()) | |||
2046 | Ty = Ty->castAs<ReferenceType>()->getPointeeType(); | |||
2047 | ||||
2048 | // Locate map clauses and see if the variable being captured is referred to | |||
2049 | // in any of those clauses. Here we only care about variables, not fields, | |||
2050 | // because fields are part of aggregates. | |||
2051 | bool IsVariableAssociatedWithSection = false; | |||
2052 | ||||
2053 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDeclAtLevel( | |||
2054 | D, Level, | |||
2055 | [&IsVariableUsedInMapClause, &IsVariableAssociatedWithSection, D]( | |||
2056 | OMPClauseMappableExprCommon::MappableExprComponentListRef | |||
2057 | MapExprComponents, | |||
2058 | OpenMPClauseKind WhereFoundClauseKind) { | |||
2059 | // Only the map clause information influences how a variable is | |||
2060 | // captured. E.g. is_device_ptr does not require changing the default | |||
2061 | // behavior. | |||
2062 | if (WhereFoundClauseKind != OMPC_map) | |||
2063 | return false; | |||
2064 | ||||
2065 | auto EI = MapExprComponents.rbegin(); | |||
2066 | auto EE = MapExprComponents.rend(); | |||
2067 | ||||
2068 | assert(EI != EE && "Invalid map expression!")((void)0); | |||
2069 | ||||
2070 | if (isa<DeclRefExpr>(EI->getAssociatedExpression())) | |||
2071 | IsVariableUsedInMapClause |= EI->getAssociatedDeclaration() == D; | |||
2072 | ||||
2073 | ++EI; | |||
2074 | if (EI == EE) | |||
2075 | return false; | |||
2076 | ||||
2077 | if (isa<ArraySubscriptExpr>(EI->getAssociatedExpression()) || | |||
2078 | isa<OMPArraySectionExpr>(EI->getAssociatedExpression()) || | |||
2079 | isa<MemberExpr>(EI->getAssociatedExpression()) || | |||
2080 | isa<OMPArrayShapingExpr>(EI->getAssociatedExpression())) { | |||
2081 | IsVariableAssociatedWithSection = true; | |||
2082 | // There is nothing more we need to know about this variable. | |||
2083 | return true; | |||
2084 | } | |||
2085 | ||||
2086 | // Keep looking for more map info. | |||
2087 | return false; | |||
2088 | }); | |||
2089 | ||||
2090 | if (IsVariableUsedInMapClause) { | |||
2091 | // If variable is identified in a map clause it is always captured by | |||
2092 | // reference except if it is a pointer that is dereferenced somehow. | |||
2093 | IsByRef = !(Ty->isPointerType() && IsVariableAssociatedWithSection); | |||
2094 | } else { | |||
2095 | // By default, all the data that has a scalar type is mapped by copy | |||
2096 | // (except for reduction variables). | |||
2097 | // Defaultmap scalar is mutual exclusive to defaultmap pointer | |||
2098 | IsByRef = (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceCaptureByReferenceInTargetExecutable() && | |||
2099 | !Ty->isAnyPointerType()) || | |||
2100 | !Ty->isScalarType() || | |||
2101 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isDefaultmapCapturedByRef( | |||
2102 | Level, getVariableCategoryFromDecl(LangOpts, D)) || | |||
2103 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | |||
2104 | D, | |||
2105 | [](OpenMPClauseKind K, bool AppliedToPointee) { | |||
2106 | return K == OMPC_reduction && !AppliedToPointee; | |||
2107 | }, | |||
2108 | Level); | |||
2109 | } | |||
2110 | } | |||
2111 | ||||
2112 | if (IsByRef && Ty.getNonReferenceType()->isScalarType()) { | |||
2113 | IsByRef = | |||
2114 | ((IsVariableUsedInMapClause && | |||
2115 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCaptureRegion(Level, OpenMPCaptureLevel) == | |||
2116 | OMPD_target) || | |||
2117 | !(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | |||
2118 | D, | |||
2119 | [](OpenMPClauseKind K, bool AppliedToPointee) -> bool { | |||
2120 | return K == OMPC_firstprivate || | |||
2121 | (K == OMPC_reduction && AppliedToPointee); | |||
2122 | }, | |||
2123 | Level, /*NotLastprivate=*/true) || | |||
2124 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isUsesAllocatorsDecl(Level, D))) && | |||
2125 | // If the variable is artificial and must be captured by value - try to | |||
2126 | // capture by value. | |||
2127 | !(isa<OMPCapturedExprDecl>(D) && !D->hasAttr<OMPCaptureNoInitAttr>() && | |||
2128 | !cast<OMPCapturedExprDecl>(D)->getInit()->isGLValue()) && | |||
2129 | // If the variable is implicitly firstprivate and scalar - capture by | |||
2130 | // copy | |||
2131 | !(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_firstprivate && | |||
2132 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | |||
2133 | D, [](OpenMPClauseKind K, bool) { return K != OMPC_unknown; }, | |||
2134 | Level) && | |||
2135 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopControlVariable(D, Level).first); | |||
2136 | } | |||
2137 | ||||
2138 | // When passing data by copy, we need to make sure it fits the uintptr size | |||
2139 | // and alignment, because the runtime library only deals with uintptr types. | |||
2140 | // If it does not fit the uintptr size, we need to pass the data by reference | |||
2141 | // instead. | |||
2142 | if (!IsByRef && | |||
2143 | (Ctx.getTypeSizeInChars(Ty) > | |||
2144 | Ctx.getTypeSizeInChars(Ctx.getUIntPtrType()) || | |||
2145 | Ctx.getDeclAlign(D) > Ctx.getTypeAlignInChars(Ctx.getUIntPtrType()))) { | |||
2146 | IsByRef = true; | |||
2147 | } | |||
2148 | ||||
2149 | return IsByRef; | |||
2150 | } | |||
2151 | ||||
2152 | unsigned Sema::getOpenMPNestingLevel() const { | |||
2153 | assert(getLangOpts().OpenMP)((void)0); | |||
2154 | return DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getNestingLevel(); | |||
2155 | } | |||
2156 | ||||
2157 | bool Sema::isInOpenMPTargetExecutionDirective() const { | |||
2158 | return (isOpenMPTargetExecutionDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && | |||
2159 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()) || | |||
2160 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasDirective( | |||
2161 | [](OpenMPDirectiveKind K, const DeclarationNameInfo &, | |||
2162 | SourceLocation) -> bool { | |||
2163 | return isOpenMPTargetExecutionDirective(K); | |||
2164 | }, | |||
2165 | false); | |||
2166 | } | |||
2167 | ||||
2168 | VarDecl *Sema::isOpenMPCapturedDecl(ValueDecl *D, bool CheckScopeInfo, | |||
2169 | unsigned StopAt) { | |||
2170 | assert(LangOpts.OpenMP && "OpenMP is not allowed")((void)0); | |||
2171 | D = getCanonicalDecl(D); | |||
2172 | ||||
2173 | auto *VD = dyn_cast<VarDecl>(D); | |||
2174 | // Do not capture constexpr variables. | |||
2175 | if (VD && VD->isConstexpr()) | |||
2176 | return nullptr; | |||
2177 | ||||
2178 | // If we want to determine whether the variable should be captured from the | |||
2179 | // perspective of the current capturing scope, and we've already left all the | |||
2180 | // capturing scopes of the top directive on the stack, check from the | |||
2181 | // perspective of its parent directive (if any) instead. | |||
2182 | DSAStackTy::ParentDirectiveScope InParentDirectiveRAII( | |||
2183 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), CheckScopeInfo && DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isBodyComplete()); | |||
2184 | ||||
2185 | // If we are attempting to capture a global variable in a directive with | |||
2186 | // 'target' we return true so that this global is also mapped to the device. | |||
2187 | // | |||
2188 | if (VD && !VD->hasLocalStorage() && | |||
2189 | (getCurCapturedRegion() || getCurBlock() || getCurLambda())) { | |||
2190 | if (isInOpenMPTargetExecutionDirective()) { | |||
2191 | DSAStackTy::DSAVarData DVarTop = | |||
2192 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()); | |||
2193 | if (DVarTop.CKind != OMPC_unknown && DVarTop.RefExpr) | |||
2194 | return VD; | |||
2195 | // If the declaration is enclosed in a 'declare target' directive, | |||
2196 | // then it should not be captured. | |||
2197 | // | |||
2198 | if (OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD)) | |||
2199 | return nullptr; | |||
2200 | CapturedRegionScopeInfo *CSI = nullptr; | |||
2201 | for (FunctionScopeInfo *FSI : llvm::drop_begin( | |||
2202 | llvm::reverse(FunctionScopes), | |||
2203 | CheckScopeInfo ? (FunctionScopes.size() - (StopAt + 1)) : 0)) { | |||
2204 | if (!isa<CapturingScopeInfo>(FSI)) | |||
2205 | return nullptr; | |||
2206 | if (auto *RSI = dyn_cast<CapturedRegionScopeInfo>(FSI)) | |||
2207 | if (RSI->CapRegionKind == CR_OpenMP) { | |||
2208 | CSI = RSI; | |||
2209 | break; | |||
2210 | } | |||
2211 | } | |||
2212 | assert(CSI && "Failed to find CapturedRegionScopeInfo")((void)0); | |||
2213 | SmallVector<OpenMPDirectiveKind, 4> Regions; | |||
2214 | getOpenMPCaptureRegions(Regions, | |||
2215 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(CSI->OpenMPLevel)); | |||
2216 | if (Regions[CSI->OpenMPCaptureLevel] != OMPD_task) | |||
2217 | return VD; | |||
2218 | } | |||
2219 | if (isInOpenMPDeclareTargetContext()) { | |||
2220 | // Try to mark variable as declare target if it is used in capturing | |||
2221 | // regions. | |||
2222 | if (LangOpts.OpenMP <= 45 && | |||
2223 | !OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD)) | |||
2224 | checkDeclIsAllowedInOpenMPTarget(nullptr, VD); | |||
2225 | return nullptr; | |||
2226 | } | |||
2227 | } | |||
2228 | ||||
2229 | if (CheckScopeInfo) { | |||
2230 | bool OpenMPFound = false; | |||
2231 | for (unsigned I = StopAt + 1; I > 0; --I) { | |||
2232 | FunctionScopeInfo *FSI = FunctionScopes[I - 1]; | |||
2233 | if(!isa<CapturingScopeInfo>(FSI)) | |||
2234 | return nullptr; | |||
2235 | if (auto *RSI = dyn_cast<CapturedRegionScopeInfo>(FSI)) | |||
2236 | if (RSI->CapRegionKind == CR_OpenMP) { | |||
2237 | OpenMPFound = true; | |||
2238 | break; | |||
2239 | } | |||
2240 | } | |||
2241 | if (!OpenMPFound) | |||
2242 | return nullptr; | |||
2243 | } | |||
2244 | ||||
2245 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_unknown && | |||
2246 | (!DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode() || | |||
2247 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective() != OMPD_unknown)) { | |||
2248 | auto &&Info = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopControlVariable(D); | |||
2249 | if (Info.first || | |||
2250 | (VD && VD->hasLocalStorage() && | |||
2251 | isImplicitOrExplicitTaskingRegion(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) || | |||
2252 | (VD && DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceVarCapturing())) | |||
2253 | return VD ? VD : Info.second; | |||
2254 | DSAStackTy::DSAVarData DVarTop = | |||
2255 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()); | |||
2256 | if (DVarTop.CKind != OMPC_unknown && isOpenMPPrivate(DVarTop.CKind) && | |||
2257 | (!VD || VD->hasLocalStorage() || !DVarTop.AppliedToPointee)) | |||
2258 | return VD ? VD : cast<VarDecl>(DVarTop.PrivateCopy->getDecl()); | |||
2259 | // Threadprivate variables must not be captured. | |||
2260 | if (isOpenMPThreadPrivate(DVarTop.CKind)) | |||
2261 | return nullptr; | |||
2262 | // The variable is not private or it is the variable in the directive with | |||
2263 | // default(none) clause and not used in any clause. | |||
2264 | DSAStackTy::DSAVarData DVarPrivate = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasDSA( | |||
2265 | D, | |||
2266 | [](OpenMPClauseKind C, bool AppliedToPointee) { | |||
2267 | return isOpenMPPrivate(C) && !AppliedToPointee; | |||
2268 | }, | |||
2269 | [](OpenMPDirectiveKind) { return true; }, | |||
2270 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()); | |||
2271 | // Global shared must not be captured. | |||
2272 | if (VD && !VD->hasLocalStorage() && DVarPrivate.CKind == OMPC_unknown && | |||
2273 | ((DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() != DSA_none && | |||
2274 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() != DSA_firstprivate) || | |||
2275 | DVarTop.CKind == OMPC_shared)) | |||
2276 | return nullptr; | |||
2277 | if (DVarPrivate.CKind != OMPC_unknown || | |||
2278 | (VD && (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_none || | |||
2279 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_firstprivate))) | |||
2280 | return VD ? VD : cast<VarDecl>(DVarPrivate.PrivateCopy->getDecl()); | |||
2281 | } | |||
2282 | return nullptr; | |||
2283 | } | |||
2284 | ||||
2285 | void Sema::adjustOpenMPTargetScopeIndex(unsigned &FunctionScopesIndex, | |||
2286 | unsigned Level) const { | |||
2287 | FunctionScopesIndex -= getOpenMPCaptureLevels(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level)); | |||
2288 | } | |||
2289 | ||||
2290 | void Sema::startOpenMPLoop() { | |||
2291 | assert(LangOpts.OpenMP && "OpenMP must be enabled.")((void)0); | |||
2292 | if (isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) | |||
2293 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopInit(); | |||
2294 | } | |||
2295 | ||||
2296 | void Sema::startOpenMPCXXRangeFor() { | |||
2297 | assert(LangOpts.OpenMP && "OpenMP must be enabled.")((void)0); | |||
2298 | if (isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { | |||
2299 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->resetPossibleLoopCounter(); | |||
2300 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopStart(); | |||
2301 | } | |||
2302 | } | |||
2303 | ||||
2304 | OpenMPClauseKind Sema::isOpenMPPrivateDecl(ValueDecl *D, unsigned Level, | |||
2305 | unsigned CapLevel) const { | |||
2306 | assert(LangOpts.OpenMP && "OpenMP is not allowed")((void)0); | |||
2307 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective( | |||
2308 | [](OpenMPDirectiveKind K) { return isOpenMPTaskingDirective(K); }, | |||
2309 | Level)) { | |||
2310 | bool IsTriviallyCopyable = | |||
2311 | D->getType().getNonReferenceType().isTriviallyCopyableType(Context) && | |||
2312 | !D->getType() | |||
2313 | .getNonReferenceType() | |||
2314 | .getCanonicalType() | |||
2315 | ->getAsCXXRecordDecl(); | |||
2316 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level); | |||
2317 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | |||
2318 | getOpenMPCaptureRegions(CaptureRegions, DKind); | |||
2319 | if (isOpenMPTaskingDirective(CaptureRegions[CapLevel]) && | |||
2320 | (IsTriviallyCopyable || | |||
2321 | !isOpenMPTaskLoopDirective(CaptureRegions[CapLevel]))) { | |||
2322 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | |||
2323 | D, | |||
2324 | [](OpenMPClauseKind K, bool) { return K == OMPC_firstprivate; }, | |||
2325 | Level, /*NotLastprivate=*/true)) | |||
2326 | return OMPC_firstprivate; | |||
2327 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, Level); | |||
2328 | if (DVar.CKind != OMPC_shared && | |||
2329 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopControlVariable(D, Level).first && !DVar.RefExpr) { | |||
2330 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addImplicitTaskFirstprivate(Level, D); | |||
2331 | return OMPC_firstprivate; | |||
2332 | } | |||
2333 | } | |||
2334 | } | |||
2335 | if (isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { | |||
2336 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops() > 0 && | |||
2337 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopStarted()) { | |||
2338 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->resetPossibleLoopCounter(D); | |||
2339 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopStart(); | |||
2340 | return OMPC_private; | |||
2341 | } | |||
2342 | if ((DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getPossiblyLoopCunter() == D->getCanonicalDecl() || | |||
2343 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopControlVariable(D).first) && | |||
2344 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | |||
2345 | D, [](OpenMPClauseKind K, bool) { return K != OMPC_private; }, | |||
2346 | Level) && | |||
2347 | !isOpenMPSimdDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) | |||
2348 | return OMPC_private; | |||
2349 | } | |||
2350 | if (const auto *VD = dyn_cast<VarDecl>(D)) { | |||
2351 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(const_cast<VarDecl *>(VD)) && | |||
2352 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceVarCapturing() && | |||
2353 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | |||
2354 | D, [](OpenMPClauseKind K, bool) { return K == OMPC_copyin; }, | |||
2355 | Level)) | |||
2356 | return OMPC_private; | |||
2357 | } | |||
2358 | // User-defined allocators are private since they must be defined in the | |||
2359 | // context of target region. | |||
2360 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, Level) && | |||
2361 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isUsesAllocatorsDecl(Level, D).getValueOr( | |||
2362 | DSAStackTy::UsesAllocatorsDeclKind::AllocatorTrait) == | |||
2363 | DSAStackTy::UsesAllocatorsDeclKind::UserDefinedAllocator) | |||
2364 | return OMPC_private; | |||
2365 | return (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | |||
2366 | D, [](OpenMPClauseKind K, bool) { return K == OMPC_private; }, | |||
2367 | Level) || | |||
2368 | (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode() && | |||
2369 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getClauseParsingMode() == OMPC_private) || | |||
2370 | // Consider taskgroup reduction descriptor variable a private | |||
2371 | // to avoid possible capture in the region. | |||
2372 | (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective( | |||
2373 | [](OpenMPDirectiveKind K) { | |||
2374 | return K == OMPD_taskgroup || | |||
2375 | ((isOpenMPParallelDirective(K) || | |||
2376 | isOpenMPWorksharingDirective(K)) && | |||
2377 | !isOpenMPSimdDirective(K)); | |||
2378 | }, | |||
2379 | Level) && | |||
2380 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isTaskgroupReductionRef(D, Level))) | |||
2381 | ? OMPC_private | |||
2382 | : OMPC_unknown; | |||
2383 | } | |||
2384 | ||||
2385 | void Sema::setOpenMPCaptureKind(FieldDecl *FD, const ValueDecl *D, | |||
2386 | unsigned Level) { | |||
2387 | assert(LangOpts.OpenMP && "OpenMP is not allowed")((void)0); | |||
2388 | D = getCanonicalDecl(D); | |||
2389 | OpenMPClauseKind OMPC = OMPC_unknown; | |||
2390 | for (unsigned I = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getNestingLevel() + 1; I > Level; --I) { | |||
2391 | const unsigned NewLevel = I - 1; | |||
2392 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | |||
2393 | D, | |||
2394 | [&OMPC](const OpenMPClauseKind K, bool AppliedToPointee) { | |||
2395 | if (isOpenMPPrivate(K) && !AppliedToPointee) { | |||
2396 | OMPC = K; | |||
2397 | return true; | |||
2398 | } | |||
2399 | return false; | |||
2400 | }, | |||
2401 | NewLevel)) | |||
2402 | break; | |||
2403 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDeclAtLevel( | |||
2404 | D, NewLevel, | |||
2405 | [](OMPClauseMappableExprCommon::MappableExprComponentListRef, | |||
2406 | OpenMPClauseKind) { return true; })) { | |||
2407 | OMPC = OMPC_map; | |||
2408 | break; | |||
2409 | } | |||
2410 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, | |||
2411 | NewLevel)) { | |||
2412 | OMPC = OMPC_map; | |||
2413 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->mustBeFirstprivateAtLevel( | |||
2414 | NewLevel, getVariableCategoryFromDecl(LangOpts, D))) | |||
2415 | OMPC = OMPC_firstprivate; | |||
2416 | break; | |||
2417 | } | |||
2418 | } | |||
2419 | if (OMPC != OMPC_unknown) | |||
2420 | FD->addAttr(OMPCaptureKindAttr::CreateImplicit(Context, unsigned(OMPC))); | |||
2421 | } | |||
2422 | ||||
2423 | bool Sema::isOpenMPTargetCapturedDecl(const ValueDecl *D, unsigned Level, | |||
2424 | unsigned CaptureLevel) const { | |||
2425 | assert(LangOpts.OpenMP && "OpenMP is not allowed")((void)0); | |||
2426 | // Return true if the current level is no longer enclosed in a target region. | |||
2427 | ||||
2428 | SmallVector<OpenMPDirectiveKind, 4> Regions; | |||
2429 | getOpenMPCaptureRegions(Regions, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level)); | |||
2430 | const auto *VD = dyn_cast<VarDecl>(D); | |||
2431 | return VD && !VD->hasLocalStorage() && | |||
2432 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, | |||
2433 | Level) && | |||
2434 | Regions[CaptureLevel] != OMPD_task; | |||
2435 | } | |||
2436 | ||||
2437 | bool Sema::isOpenMPGlobalCapturedDecl(ValueDecl *D, unsigned Level, | |||
2438 | unsigned CaptureLevel) const { | |||
2439 | assert(LangOpts.OpenMP && "OpenMP is not allowed")((void)0); | |||
2440 | // Return true if the current level is no longer enclosed in a target region. | |||
2441 | ||||
2442 | if (const auto *VD = dyn_cast<VarDecl>(D)) { | |||
2443 | if (!VD->hasLocalStorage()) { | |||
2444 | if (isInOpenMPTargetExecutionDirective()) | |||
2445 | return true; | |||
2446 | DSAStackTy::DSAVarData TopDVar = | |||
2447 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | |||
2448 | unsigned NumLevels = | |||
2449 | getOpenMPCaptureLevels(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level)); | |||
2450 | if (Level == 0) | |||
2451 | return (NumLevels == CaptureLevel + 1) && TopDVar.CKind != OMPC_shared; | |||
2452 | do { | |||
2453 | --Level; | |||
2454 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, Level); | |||
2455 | if (DVar.CKind != OMPC_shared) | |||
2456 | return true; | |||
2457 | } while (Level > 0); | |||
2458 | } | |||
2459 | } | |||
2460 | return true; | |||
2461 | } | |||
2462 | ||||
2463 | void Sema::DestroyDataSharingAttributesStack() { delete DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ); } | |||
2464 | ||||
2465 | void Sema::ActOnOpenMPBeginDeclareVariant(SourceLocation Loc, | |||
2466 | OMPTraitInfo &TI) { | |||
2467 | OMPDeclareVariantScopes.push_back(OMPDeclareVariantScope(TI)); | |||
2468 | } | |||
2469 | ||||
2470 | void Sema::ActOnOpenMPEndDeclareVariant() { | |||
2471 | assert(isInOpenMPDeclareVariantScope() &&((void)0) | |||
2472 | "Not in OpenMP declare variant scope!")((void)0); | |||
2473 | ||||
2474 | OMPDeclareVariantScopes.pop_back(); | |||
2475 | } | |||
2476 | ||||
2477 | void Sema::finalizeOpenMPDelayedAnalysis(const FunctionDecl *Caller, | |||
2478 | const FunctionDecl *Callee, | |||
2479 | SourceLocation Loc) { | |||
2480 | assert(LangOpts.OpenMP && "Expected OpenMP compilation mode.")((void)0); | |||
2481 | Optional<OMPDeclareTargetDeclAttr::DevTypeTy> DevTy = | |||
2482 | OMPDeclareTargetDeclAttr::getDeviceType(Caller->getMostRecentDecl()); | |||
2483 | // Ignore host functions during device analyzis. | |||
2484 | if (LangOpts.OpenMPIsDevice && | |||
2485 | (!DevTy || *DevTy == OMPDeclareTargetDeclAttr::DT_Host)) | |||
2486 | return; | |||
2487 | // Ignore nohost functions during host analyzis. | |||
2488 | if (!LangOpts.OpenMPIsDevice && DevTy && | |||
2489 | *DevTy == OMPDeclareTargetDeclAttr::DT_NoHost) | |||
2490 | return; | |||
2491 | const FunctionDecl *FD = Callee->getMostRecentDecl(); | |||
2492 | DevTy = OMPDeclareTargetDeclAttr::getDeviceType(FD); | |||
2493 | if (LangOpts.OpenMPIsDevice && DevTy && | |||
2494 | *DevTy == OMPDeclareTargetDeclAttr::DT_Host) { | |||
2495 | // Diagnose host function called during device codegen. | |||
2496 | StringRef HostDevTy = | |||
2497 | getOpenMPSimpleClauseTypeName(OMPC_device_type, OMPC_DEVICE_TYPE_host); | |||
2498 | Diag(Loc, diag::err_omp_wrong_device_function_call) << HostDevTy << 0; | |||
2499 | Diag(*OMPDeclareTargetDeclAttr::getLocation(FD), | |||
2500 | diag::note_omp_marked_device_type_here) | |||
2501 | << HostDevTy; | |||
2502 | return; | |||
2503 | } | |||
2504 | if (!LangOpts.OpenMPIsDevice && DevTy && | |||
2505 | *DevTy == OMPDeclareTargetDeclAttr::DT_NoHost) { | |||
2506 | // Diagnose nohost function called during host codegen. | |||
2507 | StringRef NoHostDevTy = getOpenMPSimpleClauseTypeName( | |||
2508 | OMPC_device_type, OMPC_DEVICE_TYPE_nohost); | |||
2509 | Diag(Loc, diag::err_omp_wrong_device_function_call) << NoHostDevTy << 1; | |||
2510 | Diag(*OMPDeclareTargetDeclAttr::getLocation(FD), | |||
2511 | diag::note_omp_marked_device_type_here) | |||
2512 | << NoHostDevTy; | |||
2513 | } | |||
2514 | } | |||
2515 | ||||
2516 | void Sema::StartOpenMPDSABlock(OpenMPDirectiveKind DKind, | |||
2517 | const DeclarationNameInfo &DirName, | |||
2518 | Scope *CurScope, SourceLocation Loc) { | |||
2519 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->push(DKind, DirName, CurScope, Loc); | |||
2520 | PushExpressionEvaluationContext( | |||
2521 | ExpressionEvaluationContext::PotentiallyEvaluated); | |||
2522 | } | |||
2523 | ||||
2524 | void Sema::StartOpenMPClause(OpenMPClauseKind K) { | |||
2525 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setClauseParsingMode(K); | |||
2526 | } | |||
2527 | ||||
2528 | void Sema::EndOpenMPClause() { | |||
2529 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setClauseParsingMode(/*K=*/OMPC_unknown); | |||
2530 | CleanupVarDeclMarking(); | |||
2531 | } | |||
2532 | ||||
2533 | static std::pair<ValueDecl *, bool> | |||
2534 | getPrivateItem(Sema &S, Expr *&RefExpr, SourceLocation &ELoc, | |||
2535 | SourceRange &ERange, bool AllowArraySection = false); | |||
2536 | ||||
2537 | /// Check consistency of the reduction clauses. | |||
2538 | static void checkReductionClauses(Sema &S, DSAStackTy *Stack, | |||
2539 | ArrayRef<OMPClause *> Clauses) { | |||
2540 | bool InscanFound = false; | |||
2541 | SourceLocation InscanLoc; | |||
2542 | // OpenMP 5.0, 2.19.5.4 reduction Clause, Restrictions. | |||
2543 | // A reduction clause without the inscan reduction-modifier may not appear on | |||
2544 | // a construct on which a reduction clause with the inscan reduction-modifier | |||
2545 | // appears. | |||
2546 | for (OMPClause *C : Clauses) { | |||
2547 | if (C->getClauseKind() != OMPC_reduction) | |||
2548 | continue; | |||
2549 | auto *RC = cast<OMPReductionClause>(C); | |||
2550 | if (RC->getModifier() == OMPC_REDUCTION_inscan) { | |||
2551 | InscanFound = true; | |||
2552 | InscanLoc = RC->getModifierLoc(); | |||
2553 | continue; | |||
2554 | } | |||
2555 | if (RC->getModifier() == OMPC_REDUCTION_task) { | |||
2556 | // OpenMP 5.0, 2.19.5.4 reduction Clause. | |||
2557 | // A reduction clause with the task reduction-modifier may only appear on | |||
2558 | // a parallel construct, a worksharing construct or a combined or | |||
2559 | // composite construct for which any of the aforementioned constructs is a | |||
2560 | // constituent construct and simd or loop are not constituent constructs. | |||
2561 | OpenMPDirectiveKind CurDir = Stack->getCurrentDirective(); | |||
2562 | if (!(isOpenMPParallelDirective(CurDir) || | |||
2563 | isOpenMPWorksharingDirective(CurDir)) || | |||
2564 | isOpenMPSimdDirective(CurDir)) | |||
2565 | S.Diag(RC->getModifierLoc(), | |||
2566 | diag::err_omp_reduction_task_not_parallel_or_worksharing); | |||
2567 | continue; | |||
2568 | } | |||
2569 | } | |||
2570 | if (InscanFound) { | |||
2571 | for (OMPClause *C : Clauses) { | |||
2572 | if (C->getClauseKind() != OMPC_reduction) | |||
2573 | continue; | |||
2574 | auto *RC = cast<OMPReductionClause>(C); | |||
2575 | if (RC->getModifier() != OMPC_REDUCTION_inscan) { | |||
2576 | S.Diag(RC->getModifier() == OMPC_REDUCTION_unknown | |||
2577 | ? RC->getBeginLoc() | |||
2578 | : RC->getModifierLoc(), | |||
2579 | diag::err_omp_inscan_reduction_expected); | |||
2580 | S.Diag(InscanLoc, diag::note_omp_previous_inscan_reduction); | |||
2581 | continue; | |||
2582 | } | |||
2583 | for (Expr *Ref : RC->varlists()) { | |||
2584 | assert(Ref && "NULL expr in OpenMP nontemporal clause.")((void)0); | |||
2585 | SourceLocation ELoc; | |||
2586 | SourceRange ERange; | |||
2587 | Expr *SimpleRefExpr = Ref; | |||
2588 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange, | |||
2589 | /*AllowArraySection=*/true); | |||
2590 | ValueDecl *D = Res.first; | |||
2591 | if (!D) | |||
2592 | continue; | |||
2593 | if (!Stack->isUsedInScanDirective(getCanonicalDecl(D))) { | |||
2594 | S.Diag(Ref->getExprLoc(), | |||
2595 | diag::err_omp_reduction_not_inclusive_exclusive) | |||
2596 | << Ref->getSourceRange(); | |||
2597 | } | |||
2598 | } | |||
2599 | } | |||
2600 | } | |||
2601 | } | |||
2602 | ||||
2603 | static void checkAllocateClauses(Sema &S, DSAStackTy *Stack, | |||
2604 | ArrayRef<OMPClause *> Clauses); | |||
2605 | static DeclRefExpr *buildCapture(Sema &S, ValueDecl *D, Expr *CaptureExpr, | |||
2606 | bool WithInit); | |||
2607 | ||||
2608 | static void reportOriginalDsa(Sema &SemaRef, const DSAStackTy *Stack, | |||
2609 | const ValueDecl *D, | |||
2610 | const DSAStackTy::DSAVarData &DVar, | |||
2611 | bool IsLoopIterVar = false); | |||
2612 | ||||
2613 | void Sema::EndOpenMPDSABlock(Stmt *CurDirective) { | |||
2614 | // OpenMP [2.14.3.5, Restrictions, C/C++, p.1] | |||
2615 | // A variable of class type (or array thereof) that appears in a lastprivate | |||
2616 | // clause requires an accessible, unambiguous default constructor for the | |||
2617 | // class type, unless the list item is also specified in a firstprivate | |||
2618 | // clause. | |||
2619 | if (const auto *D = dyn_cast_or_null<OMPExecutableDirective>(CurDirective)) { | |||
2620 | for (OMPClause *C : D->clauses()) { | |||
2621 | if (auto *Clause = dyn_cast<OMPLastprivateClause>(C)) { | |||
2622 | SmallVector<Expr *, 8> PrivateCopies; | |||
2623 | for (Expr *DE : Clause->varlists()) { | |||
2624 | if (DE->isValueDependent() || DE->isTypeDependent()) { | |||
2625 | PrivateCopies.push_back(nullptr); | |||
2626 | continue; | |||
2627 | } | |||
2628 | auto *DRE = cast<DeclRefExpr>(DE->IgnoreParens()); | |||
2629 | auto *VD = cast<VarDecl>(DRE->getDecl()); | |||
2630 | QualType Type = VD->getType().getNonReferenceType(); | |||
2631 | const DSAStackTy::DSAVarData DVar = | |||
2632 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(VD, /*FromParent=*/false); | |||
2633 | if (DVar.CKind == OMPC_lastprivate) { | |||
2634 | // Generate helper private variable and initialize it with the | |||
2635 | // default value. The address of the original variable is replaced | |||
2636 | // by the address of the new private variable in CodeGen. This new | |||
2637 | // variable is not added to IdResolver, so the code in the OpenMP | |||
2638 | // region uses original variable for proper diagnostics. | |||
2639 | VarDecl *VDPrivate = buildVarDecl( | |||
2640 | *this, DE->getExprLoc(), Type.getUnqualifiedType(), | |||
2641 | VD->getName(), VD->hasAttrs() ? &VD->getAttrs() : nullptr, DRE); | |||
2642 | ActOnUninitializedDecl(VDPrivate); | |||
2643 | if (VDPrivate->isInvalidDecl()) { | |||
2644 | PrivateCopies.push_back(nullptr); | |||
2645 | continue; | |||
2646 | } | |||
2647 | PrivateCopies.push_back(buildDeclRefExpr( | |||
2648 | *this, VDPrivate, DE->getType(), DE->getExprLoc())); | |||
2649 | } else { | |||
2650 | // The variable is also a firstprivate, so initialization sequence | |||
2651 | // for private copy is generated already. | |||
2652 | PrivateCopies.push_back(nullptr); | |||
2653 | } | |||
2654 | } | |||
2655 | Clause->setPrivateCopies(PrivateCopies); | |||
2656 | continue; | |||
2657 | } | |||
2658 | // Finalize nontemporal clause by handling private copies, if any. | |||
2659 | if (auto *Clause = dyn_cast<OMPNontemporalClause>(C)) { | |||
2660 | SmallVector<Expr *, 8> PrivateRefs; | |||
2661 | for (Expr *RefExpr : Clause->varlists()) { | |||
2662 | assert(RefExpr && "NULL expr in OpenMP nontemporal clause.")((void)0); | |||
2663 | SourceLocation ELoc; | |||
2664 | SourceRange ERange; | |||
2665 | Expr *SimpleRefExpr = RefExpr; | |||
2666 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | |||
2667 | if (Res.second) | |||
2668 | // It will be analyzed later. | |||
2669 | PrivateRefs.push_back(RefExpr); | |||
2670 | ValueDecl *D = Res.first; | |||
2671 | if (!D) | |||
2672 | continue; | |||
2673 | ||||
2674 | const DSAStackTy::DSAVarData DVar = | |||
2675 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | |||
2676 | PrivateRefs.push_back(DVar.PrivateCopy ? DVar.PrivateCopy | |||
2677 | : SimpleRefExpr); | |||
2678 | } | |||
2679 | Clause->setPrivateRefs(PrivateRefs); | |||
2680 | continue; | |||
2681 | } | |||
2682 | if (auto *Clause = dyn_cast<OMPUsesAllocatorsClause>(C)) { | |||
2683 | for (unsigned I = 0, E = Clause->getNumberOfAllocators(); I < E; ++I) { | |||
2684 | OMPUsesAllocatorsClause::Data D = Clause->getAllocatorData(I); | |||
2685 | auto *DRE = dyn_cast<DeclRefExpr>(D.Allocator->IgnoreParenImpCasts()); | |||
2686 | if (!DRE) | |||
2687 | continue; | |||
2688 | ValueDecl *VD = DRE->getDecl(); | |||
2689 | if (!VD || !isa<VarDecl>(VD)) | |||
2690 | continue; | |||
2691 | DSAStackTy::DSAVarData DVar = | |||
2692 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(VD, /*FromParent=*/false); | |||
2693 | // OpenMP [2.12.5, target Construct] | |||
2694 | // Memory allocators that appear in a uses_allocators clause cannot | |||
2695 | // appear in other data-sharing attribute clauses or data-mapping | |||
2696 | // attribute clauses in the same construct. | |||
2697 | Expr *MapExpr = nullptr; | |||
2698 | if (DVar.RefExpr || | |||
2699 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( | |||
2700 | VD, /*CurrentRegionOnly=*/true, | |||
2701 | [VD, &MapExpr]( | |||
2702 | OMPClauseMappableExprCommon::MappableExprComponentListRef | |||
2703 | MapExprComponents, | |||
2704 | OpenMPClauseKind C) { | |||
2705 | auto MI = MapExprComponents.rbegin(); | |||
2706 | auto ME = MapExprComponents.rend(); | |||
2707 | if (MI != ME && | |||
2708 | MI->getAssociatedDeclaration()->getCanonicalDecl() == | |||
2709 | VD->getCanonicalDecl()) { | |||
2710 | MapExpr = MI->getAssociatedExpression(); | |||
2711 | return true; | |||
2712 | } | |||
2713 | return false; | |||
2714 | })) { | |||
2715 | Diag(D.Allocator->getExprLoc(), | |||
2716 | diag::err_omp_allocator_used_in_clauses) | |||
2717 | << D.Allocator->getSourceRange(); | |||
2718 | if (DVar.RefExpr) | |||
2719 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VD, DVar); | |||
2720 | else | |||
2721 | Diag(MapExpr->getExprLoc(), diag::note_used_here) | |||
2722 | << MapExpr->getSourceRange(); | |||
2723 | } | |||
2724 | } | |||
2725 | continue; | |||
2726 | } | |||
2727 | } | |||
2728 | // Check allocate clauses. | |||
2729 | if (!CurContext->isDependentContext()) | |||
2730 | checkAllocateClauses(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D->clauses()); | |||
2731 | checkReductionClauses(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D->clauses()); | |||
2732 | } | |||
2733 | ||||
2734 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->pop(); | |||
2735 | DiscardCleanupsInEvaluationContext(); | |||
2736 | PopExpressionEvaluationContext(); | |||
2737 | } | |||
2738 | ||||
2739 | static bool FinishOpenMPLinearClause(OMPLinearClause &Clause, DeclRefExpr *IV, | |||
2740 | Expr *NumIterations, Sema &SemaRef, | |||
2741 | Scope *S, DSAStackTy *Stack); | |||
2742 | ||||
2743 | namespace { | |||
2744 | ||||
2745 | class VarDeclFilterCCC final : public CorrectionCandidateCallback { | |||
2746 | private: | |||
2747 | Sema &SemaRef; | |||
2748 | ||||
2749 | public: | |||
2750 | explicit VarDeclFilterCCC(Sema &S) : SemaRef(S) {} | |||
2751 | bool ValidateCandidate(const TypoCorrection &Candidate) override { | |||
2752 | NamedDecl *ND = Candidate.getCorrectionDecl(); | |||
2753 | if (const auto *VD = dyn_cast_or_null<VarDecl>(ND)) { | |||
2754 | return VD->hasGlobalStorage() && | |||
2755 | SemaRef.isDeclInScope(ND, SemaRef.getCurLexicalContext(), | |||
2756 | SemaRef.getCurScope()); | |||
2757 | } | |||
2758 | return false; | |||
2759 | } | |||
2760 | ||||
2761 | std::unique_ptr<CorrectionCandidateCallback> clone() override { | |||
2762 | return std::make_unique<VarDeclFilterCCC>(*this); | |||
2763 | } | |||
2764 | ||||
2765 | }; | |||
2766 | ||||
2767 | class VarOrFuncDeclFilterCCC final : public CorrectionCandidateCallback { | |||
2768 | private: | |||
2769 | Sema &SemaRef; | |||
2770 | ||||
2771 | public: | |||
2772 | explicit VarOrFuncDeclFilterCCC(Sema &S) : SemaRef(S) {} | |||
2773 | bool ValidateCandidate(const TypoCorrection &Candidate) override { | |||
2774 | NamedDecl *ND = Candidate.getCorrectionDecl(); | |||
2775 | if (ND && ((isa<VarDecl>(ND) && ND->getKind() == Decl::Var) || | |||
2776 | isa<FunctionDecl>(ND))) { | |||
2777 | return SemaRef.isDeclInScope(ND, SemaRef.getCurLexicalContext(), | |||
2778 | SemaRef.getCurScope()); | |||
2779 | } | |||
2780 | return false; | |||
2781 | } | |||
2782 | ||||
2783 | std::unique_ptr<CorrectionCandidateCallback> clone() override { | |||
2784 | return std::make_unique<VarOrFuncDeclFilterCCC>(*this); | |||
2785 | } | |||
2786 | }; | |||
2787 | ||||
2788 | } // namespace | |||
2789 | ||||
2790 | ExprResult Sema::ActOnOpenMPIdExpression(Scope *CurScope, | |||
2791 | CXXScopeSpec &ScopeSpec, | |||
2792 | const DeclarationNameInfo &Id, | |||
2793 | OpenMPDirectiveKind Kind) { | |||
2794 | LookupResult Lookup(*this, Id, LookupOrdinaryName); | |||
2795 | LookupParsedName(Lookup, CurScope, &ScopeSpec, true); | |||
2796 | ||||
2797 | if (Lookup.isAmbiguous()) | |||
2798 | return ExprError(); | |||
2799 | ||||
2800 | VarDecl *VD; | |||
2801 | if (!Lookup.isSingleResult()) { | |||
2802 | VarDeclFilterCCC CCC(*this); | |||
2803 | if (TypoCorrection Corrected = | |||
2804 | CorrectTypo(Id, LookupOrdinaryName, CurScope, nullptr, CCC, | |||
2805 | CTK_ErrorRecovery)) { | |||
2806 | diagnoseTypo(Corrected, | |||
2807 | PDiag(Lookup.empty() | |||
2808 | ? diag::err_undeclared_var_use_suggest | |||
2809 | : diag::err_omp_expected_var_arg_suggest) | |||
2810 | << Id.getName()); | |||
2811 | VD = Corrected.getCorrectionDeclAs<VarDecl>(); | |||
2812 | } else { | |||
2813 | Diag(Id.getLoc(), Lookup.empty() ? diag::err_undeclared_var_use | |||
2814 | : diag::err_omp_expected_var_arg) | |||
2815 | << Id.getName(); | |||
2816 | return ExprError(); | |||
2817 | } | |||
2818 | } else if (!(VD = Lookup.getAsSingle<VarDecl>())) { | |||
2819 | Diag(Id.getLoc(), diag::err_omp_expected_var_arg) << Id.getName(); | |||
2820 | Diag(Lookup.getFoundDecl()->getLocation(), diag::note_declared_at); | |||
2821 | return ExprError(); | |||
2822 | } | |||
2823 | Lookup.suppressDiagnostics(); | |||
2824 | ||||
2825 | // OpenMP [2.9.2, Syntax, C/C++] | |||
2826 | // Variables must be file-scope, namespace-scope, or static block-scope. | |||
2827 | if (Kind == OMPD_threadprivate && !VD->hasGlobalStorage()) { | |||
2828 | Diag(Id.getLoc(), diag::err_omp_global_var_arg) | |||
2829 | << getOpenMPDirectiveName(Kind) << !VD->isStaticLocal(); | |||
2830 | bool IsDecl = | |||
2831 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
2832 | Diag(VD->getLocation(), | |||
2833 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
2834 | << VD; | |||
2835 | return ExprError(); | |||
2836 | } | |||
2837 | ||||
2838 | VarDecl *CanonicalVD = VD->getCanonicalDecl(); | |||
2839 | NamedDecl *ND = CanonicalVD; | |||
2840 | // OpenMP [2.9.2, Restrictions, C/C++, p.2] | |||
2841 | // A threadprivate directive for file-scope variables must appear outside | |||
2842 | // any definition or declaration. | |||
2843 | if (CanonicalVD->getDeclContext()->isTranslationUnit() && | |||
2844 | !getCurLexicalContext()->isTranslationUnit()) { | |||
2845 | Diag(Id.getLoc(), diag::err_omp_var_scope) | |||
2846 | << getOpenMPDirectiveName(Kind) << VD; | |||
2847 | bool IsDecl = | |||
2848 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
2849 | Diag(VD->getLocation(), | |||
2850 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
2851 | << VD; | |||
2852 | return ExprError(); | |||
2853 | } | |||
2854 | // OpenMP [2.9.2, Restrictions, C/C++, p.3] | |||
2855 | // A threadprivate directive for static class member variables must appear | |||
2856 | // in the class definition, in the same scope in which the member | |||
2857 | // variables are declared. | |||
2858 | if (CanonicalVD->isStaticDataMember() && | |||
2859 | !CanonicalVD->getDeclContext()->Equals(getCurLexicalContext())) { | |||
2860 | Diag(Id.getLoc(), diag::err_omp_var_scope) | |||
2861 | << getOpenMPDirectiveName(Kind) << VD; | |||
2862 | bool IsDecl = | |||
2863 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
2864 | Diag(VD->getLocation(), | |||
2865 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
2866 | << VD; | |||
2867 | return ExprError(); | |||
2868 | } | |||
2869 | // OpenMP [2.9.2, Restrictions, C/C++, p.4] | |||
2870 | // A threadprivate directive for namespace-scope variables must appear | |||
2871 | // outside any definition or declaration other than the namespace | |||
2872 | // definition itself. | |||
2873 | if (CanonicalVD->getDeclContext()->isNamespace() && | |||
2874 | (!getCurLexicalContext()->isFileContext() || | |||
2875 | !getCurLexicalContext()->Encloses(CanonicalVD->getDeclContext()))) { | |||
2876 | Diag(Id.getLoc(), diag::err_omp_var_scope) | |||
2877 | << getOpenMPDirectiveName(Kind) << VD; | |||
2878 | bool IsDecl = | |||
2879 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
2880 | Diag(VD->getLocation(), | |||
2881 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
2882 | << VD; | |||
2883 | return ExprError(); | |||
2884 | } | |||
2885 | // OpenMP [2.9.2, Restrictions, C/C++, p.6] | |||
2886 | // A threadprivate directive for static block-scope variables must appear | |||
2887 | // in the scope of the variable and not in a nested scope. | |||
2888 | if (CanonicalVD->isLocalVarDecl() && CurScope && | |||
2889 | !isDeclInScope(ND, getCurLexicalContext(), CurScope)) { | |||
2890 | Diag(Id.getLoc(), diag::err_omp_var_scope) | |||
2891 | << getOpenMPDirectiveName(Kind) << VD; | |||
2892 | bool IsDecl = | |||
2893 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
2894 | Diag(VD->getLocation(), | |||
2895 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
2896 | << VD; | |||
2897 | return ExprError(); | |||
2898 | } | |||
2899 | ||||
2900 | // OpenMP [2.9.2, Restrictions, C/C++, p.2-6] | |||
2901 | // A threadprivate directive must lexically precede all references to any | |||
2902 | // of the variables in its list. | |||
2903 | if (Kind == OMPD_threadprivate && VD->isUsed() && | |||
2904 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { | |||
2905 | Diag(Id.getLoc(), diag::err_omp_var_used) | |||
2906 | << getOpenMPDirectiveName(Kind) << VD; | |||
2907 | return ExprError(); | |||
2908 | } | |||
2909 | ||||
2910 | QualType ExprType = VD->getType().getNonReferenceType(); | |||
2911 | return DeclRefExpr::Create(Context, NestedNameSpecifierLoc(), | |||
2912 | SourceLocation(), VD, | |||
2913 | /*RefersToEnclosingVariableOrCapture=*/false, | |||
2914 | Id.getLoc(), ExprType, VK_LValue); | |||
2915 | } | |||
2916 | ||||
2917 | Sema::DeclGroupPtrTy | |||
2918 | Sema::ActOnOpenMPThreadprivateDirective(SourceLocation Loc, | |||
2919 | ArrayRef<Expr *> VarList) { | |||
2920 | if (OMPThreadPrivateDecl *D = CheckOMPThreadPrivateDecl(Loc, VarList)) { | |||
2921 | CurContext->addDecl(D); | |||
2922 | return DeclGroupPtrTy::make(DeclGroupRef(D)); | |||
2923 | } | |||
2924 | return nullptr; | |||
2925 | } | |||
2926 | ||||
2927 | namespace { | |||
2928 | class LocalVarRefChecker final | |||
2929 | : public ConstStmtVisitor<LocalVarRefChecker, bool> { | |||
2930 | Sema &SemaRef; | |||
2931 | ||||
2932 | public: | |||
2933 | bool VisitDeclRefExpr(const DeclRefExpr *E) { | |||
2934 | if (const auto *VD = dyn_cast<VarDecl>(E->getDecl())) { | |||
2935 | if (VD->hasLocalStorage()) { | |||
2936 | SemaRef.Diag(E->getBeginLoc(), | |||
2937 | diag::err_omp_local_var_in_threadprivate_init) | |||
2938 | << E->getSourceRange(); | |||
2939 | SemaRef.Diag(VD->getLocation(), diag::note_defined_here) | |||
2940 | << VD << VD->getSourceRange(); | |||
2941 | return true; | |||
2942 | } | |||
2943 | } | |||
2944 | return false; | |||
2945 | } | |||
2946 | bool VisitStmt(const Stmt *S) { | |||
2947 | for (const Stmt *Child : S->children()) { | |||
2948 | if (Child && Visit(Child)) | |||
2949 | return true; | |||
2950 | } | |||
2951 | return false; | |||
2952 | } | |||
2953 | explicit LocalVarRefChecker(Sema &SemaRef) : SemaRef(SemaRef) {} | |||
2954 | }; | |||
2955 | } // namespace | |||
2956 | ||||
2957 | OMPThreadPrivateDecl * | |||
2958 | Sema::CheckOMPThreadPrivateDecl(SourceLocation Loc, ArrayRef<Expr *> VarList) { | |||
2959 | SmallVector<Expr *, 8> Vars; | |||
2960 | for (Expr *RefExpr : VarList) { | |||
2961 | auto *DE = cast<DeclRefExpr>(RefExpr); | |||
2962 | auto *VD = cast<VarDecl>(DE->getDecl()); | |||
2963 | SourceLocation ILoc = DE->getExprLoc(); | |||
2964 | ||||
2965 | // Mark variable as used. | |||
2966 | VD->setReferenced(); | |||
2967 | VD->markUsed(Context); | |||
2968 | ||||
2969 | QualType QType = VD->getType(); | |||
2970 | if (QType->isDependentType() || QType->isInstantiationDependentType()) { | |||
2971 | // It will be analyzed later. | |||
2972 | Vars.push_back(DE); | |||
2973 | continue; | |||
2974 | } | |||
2975 | ||||
2976 | // OpenMP [2.9.2, Restrictions, C/C++, p.10] | |||
2977 | // A threadprivate variable must not have an incomplete type. | |||
2978 | if (RequireCompleteType(ILoc, VD->getType(), | |||
2979 | diag::err_omp_threadprivate_incomplete_type)) { | |||
2980 | continue; | |||
2981 | } | |||
2982 | ||||
2983 | // OpenMP [2.9.2, Restrictions, C/C++, p.10] | |||
2984 | // A threadprivate variable must not have a reference type. | |||
2985 | if (VD->getType()->isReferenceType()) { | |||
2986 | Diag(ILoc, diag::err_omp_ref_type_arg) | |||
2987 | << getOpenMPDirectiveName(OMPD_threadprivate) << VD->getType(); | |||
2988 | bool IsDecl = | |||
2989 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
2990 | Diag(VD->getLocation(), | |||
2991 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
2992 | << VD; | |||
2993 | continue; | |||
2994 | } | |||
2995 | ||||
2996 | // Check if this is a TLS variable. If TLS is not being supported, produce | |||
2997 | // the corresponding diagnostic. | |||
2998 | if ((VD->getTLSKind() != VarDecl::TLS_None && | |||
2999 | !(VD->hasAttr<OMPThreadPrivateDeclAttr>() && | |||
3000 | getLangOpts().OpenMPUseTLS && | |||
3001 | getASTContext().getTargetInfo().isTLSSupported())) || | |||
3002 | (VD->getStorageClass() == SC_Register && VD->hasAttr<AsmLabelAttr>() && | |||
3003 | !VD->isLocalVarDecl())) { | |||
3004 | Diag(ILoc, diag::err_omp_var_thread_local) | |||
3005 | << VD << ((VD->getTLSKind() != VarDecl::TLS_None) ? 0 : 1); | |||
3006 | bool IsDecl = | |||
3007 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
3008 | Diag(VD->getLocation(), | |||
3009 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
3010 | << VD; | |||
3011 | continue; | |||
3012 | } | |||
3013 | ||||
3014 | // Check if initial value of threadprivate variable reference variable with | |||
3015 | // local storage (it is not supported by runtime). | |||
3016 | if (const Expr *Init = VD->getAnyInitializer()) { | |||
3017 | LocalVarRefChecker Checker(*this); | |||
3018 | if (Checker.Visit(Init)) | |||
3019 | continue; | |||
3020 | } | |||
3021 | ||||
3022 | Vars.push_back(RefExpr); | |||
3023 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(VD, DE, OMPC_threadprivate); | |||
3024 | VD->addAttr(OMPThreadPrivateDeclAttr::CreateImplicit( | |||
3025 | Context, SourceRange(Loc, Loc))); | |||
3026 | if (ASTMutationListener *ML = Context.getASTMutationListener()) | |||
3027 | ML->DeclarationMarkedOpenMPThreadPrivate(VD); | |||
3028 | } | |||
3029 | OMPThreadPrivateDecl *D = nullptr; | |||
3030 | if (!Vars.empty()) { | |||
3031 | D = OMPThreadPrivateDecl::Create(Context, getCurLexicalContext(), Loc, | |||
3032 | Vars); | |||
3033 | D->setAccess(AS_public); | |||
3034 | } | |||
3035 | return D; | |||
3036 | } | |||
3037 | ||||
3038 | static OMPAllocateDeclAttr::AllocatorTypeTy | |||
3039 | getAllocatorKind(Sema &S, DSAStackTy *Stack, Expr *Allocator) { | |||
3040 | if (!Allocator) | |||
3041 | return OMPAllocateDeclAttr::OMPNullMemAlloc; | |||
3042 | if (Allocator->isTypeDependent() || Allocator->isValueDependent() || | |||
3043 | Allocator->isInstantiationDependent() || | |||
3044 | Allocator->containsUnexpandedParameterPack()) | |||
3045 | return OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; | |||
3046 | auto AllocatorKindRes = OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; | |||
3047 | const Expr *AE = Allocator->IgnoreParenImpCasts(); | |||
3048 | for (int I = 0; I < OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; ++I) { | |||
3049 | auto AllocatorKind = static_cast<OMPAllocateDeclAttr::AllocatorTypeTy>(I); | |||
3050 | const Expr *DefAllocator = Stack->getAllocator(AllocatorKind); | |||
3051 | llvm::FoldingSetNodeID AEId, DAEId; | |||
3052 | AE->Profile(AEId, S.getASTContext(), /*Canonical=*/true); | |||
3053 | DefAllocator->Profile(DAEId, S.getASTContext(), /*Canonical=*/true); | |||
3054 | if (AEId == DAEId) { | |||
3055 | AllocatorKindRes = AllocatorKind; | |||
3056 | break; | |||
3057 | } | |||
3058 | } | |||
3059 | return AllocatorKindRes; | |||
3060 | } | |||
3061 | ||||
3062 | static bool checkPreviousOMPAllocateAttribute( | |||
3063 | Sema &S, DSAStackTy *Stack, Expr *RefExpr, VarDecl *VD, | |||
3064 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind, Expr *Allocator) { | |||
3065 | if (!VD->hasAttr<OMPAllocateDeclAttr>()) | |||
3066 | return false; | |||
3067 | const auto *A = VD->getAttr<OMPAllocateDeclAttr>(); | |||
3068 | Expr *PrevAllocator = A->getAllocator(); | |||
3069 | OMPAllocateDeclAttr::AllocatorTypeTy PrevAllocatorKind = | |||
3070 | getAllocatorKind(S, Stack, PrevAllocator); | |||
3071 | bool AllocatorsMatch = AllocatorKind == PrevAllocatorKind; | |||
3072 | if (AllocatorsMatch && | |||
3073 | AllocatorKind == OMPAllocateDeclAttr::OMPUserDefinedMemAlloc && | |||
3074 | Allocator && PrevAllocator) { | |||
3075 | const Expr *AE = Allocator->IgnoreParenImpCasts(); | |||
3076 | const Expr *PAE = PrevAllocator->IgnoreParenImpCasts(); | |||
3077 | llvm::FoldingSetNodeID AEId, PAEId; | |||
3078 | AE->Profile(AEId, S.Context, /*Canonical=*/true); | |||
3079 | PAE->Profile(PAEId, S.Context, /*Canonical=*/true); | |||
3080 | AllocatorsMatch = AEId == PAEId; | |||
3081 | } | |||
3082 | if (!AllocatorsMatch) { | |||
3083 | SmallString<256> AllocatorBuffer; | |||
3084 | llvm::raw_svector_ostream AllocatorStream(AllocatorBuffer); | |||
3085 | if (Allocator) | |||
3086 | Allocator->printPretty(AllocatorStream, nullptr, S.getPrintingPolicy()); | |||
3087 | SmallString<256> PrevAllocatorBuffer; | |||
3088 | llvm::raw_svector_ostream PrevAllocatorStream(PrevAllocatorBuffer); | |||
3089 | if (PrevAllocator) | |||
3090 | PrevAllocator->printPretty(PrevAllocatorStream, nullptr, | |||
3091 | S.getPrintingPolicy()); | |||
3092 | ||||
3093 | SourceLocation AllocatorLoc = | |||
3094 | Allocator ? Allocator->getExprLoc() : RefExpr->getExprLoc(); | |||
3095 | SourceRange AllocatorRange = | |||
3096 | Allocator ? Allocator->getSourceRange() : RefExpr->getSourceRange(); | |||
3097 | SourceLocation PrevAllocatorLoc = | |||
3098 | PrevAllocator ? PrevAllocator->getExprLoc() : A->getLocation(); | |||
3099 | SourceRange PrevAllocatorRange = | |||
3100 | PrevAllocator ? PrevAllocator->getSourceRange() : A->getRange(); | |||
3101 | S.Diag(AllocatorLoc, diag::warn_omp_used_different_allocator) | |||
3102 | << (Allocator ? 1 : 0) << AllocatorStream.str() | |||
3103 | << (PrevAllocator ? 1 : 0) << PrevAllocatorStream.str() | |||
3104 | << AllocatorRange; | |||
3105 | S.Diag(PrevAllocatorLoc, diag::note_omp_previous_allocator) | |||
3106 | << PrevAllocatorRange; | |||
3107 | return true; | |||
3108 | } | |||
3109 | return false; | |||
3110 | } | |||
3111 | ||||
3112 | static void | |||
3113 | applyOMPAllocateAttribute(Sema &S, VarDecl *VD, | |||
3114 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind, | |||
3115 | Expr *Allocator, SourceRange SR) { | |||
3116 | if (VD->hasAttr<OMPAllocateDeclAttr>()) | |||
3117 | return; | |||
3118 | if (Allocator && | |||
3119 | (Allocator->isTypeDependent() || Allocator->isValueDependent() || | |||
3120 | Allocator->isInstantiationDependent() || | |||
3121 | Allocator->containsUnexpandedParameterPack())) | |||
3122 | return; | |||
3123 | auto *A = OMPAllocateDeclAttr::CreateImplicit(S.Context, AllocatorKind, | |||
3124 | Allocator, SR); | |||
3125 | VD->addAttr(A); | |||
3126 | if (ASTMutationListener *ML = S.Context.getASTMutationListener()) | |||
3127 | ML->DeclarationMarkedOpenMPAllocate(VD, A); | |||
3128 | } | |||
3129 | ||||
3130 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPAllocateDirective( | |||
3131 | SourceLocation Loc, ArrayRef<Expr *> VarList, | |||
3132 | ArrayRef<OMPClause *> Clauses, DeclContext *Owner) { | |||
3133 | assert(Clauses.size() <= 1 && "Expected at most one clause.")((void)0); | |||
3134 | Expr *Allocator = nullptr; | |||
3135 | if (Clauses.empty()) { | |||
3136 | // OpenMP 5.0, 2.11.3 allocate Directive, Restrictions. | |||
3137 | // allocate directives that appear in a target region must specify an | |||
3138 | // allocator clause unless a requires directive with the dynamic_allocators | |||
3139 | // clause is present in the same compilation unit. | |||
3140 | if (LangOpts.OpenMPIsDevice && | |||
3141 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPDynamicAllocatorsClause>()) | |||
3142 | targetDiag(Loc, diag::err_expected_allocator_clause); | |||
3143 | } else { | |||
3144 | Allocator = cast<OMPAllocatorClause>(Clauses.back())->getAllocator(); | |||
3145 | } | |||
3146 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind = | |||
3147 | getAllocatorKind(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), Allocator); | |||
3148 | SmallVector<Expr *, 8> Vars; | |||
3149 | for (Expr *RefExpr : VarList) { | |||
3150 | auto *DE = cast<DeclRefExpr>(RefExpr); | |||
3151 | auto *VD = cast<VarDecl>(DE->getDecl()); | |||
3152 | ||||
3153 | // Check if this is a TLS variable or global register. | |||
3154 | if (VD->getTLSKind() != VarDecl::TLS_None || | |||
3155 | VD->hasAttr<OMPThreadPrivateDeclAttr>() || | |||
3156 | (VD->getStorageClass() == SC_Register && VD->hasAttr<AsmLabelAttr>() && | |||
3157 | !VD->isLocalVarDecl())) | |||
3158 | continue; | |||
3159 | ||||
3160 | // If the used several times in the allocate directive, the same allocator | |||
3161 | // must be used. | |||
3162 | if (checkPreviousOMPAllocateAttribute(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), RefExpr, VD, | |||
3163 | AllocatorKind, Allocator)) | |||
3164 | continue; | |||
3165 | ||||
3166 | // OpenMP, 2.11.3 allocate Directive, Restrictions, C / C++ | |||
3167 | // If a list item has a static storage type, the allocator expression in the | |||
3168 | // allocator clause must be a constant expression that evaluates to one of | |||
3169 | // the predefined memory allocator values. | |||
3170 | if (Allocator && VD->hasGlobalStorage()) { | |||
3171 | if (AllocatorKind == OMPAllocateDeclAttr::OMPUserDefinedMemAlloc) { | |||
3172 | Diag(Allocator->getExprLoc(), | |||
3173 | diag::err_omp_expected_predefined_allocator) | |||
3174 | << Allocator->getSourceRange(); | |||
3175 | bool IsDecl = VD->isThisDeclarationADefinition(Context) == | |||
3176 | VarDecl::DeclarationOnly; | |||
3177 | Diag(VD->getLocation(), | |||
3178 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
3179 | << VD; | |||
3180 | continue; | |||
3181 | } | |||
3182 | } | |||
3183 | ||||
3184 | Vars.push_back(RefExpr); | |||
3185 | applyOMPAllocateAttribute(*this, VD, AllocatorKind, Allocator, | |||
3186 | DE->getSourceRange()); | |||
3187 | } | |||
3188 | if (Vars.empty()) | |||
3189 | return nullptr; | |||
3190 | if (!Owner) | |||
3191 | Owner = getCurLexicalContext(); | |||
3192 | auto *D = OMPAllocateDecl::Create(Context, Owner, Loc, Vars, Clauses); | |||
3193 | D->setAccess(AS_public); | |||
3194 | Owner->addDecl(D); | |||
3195 | return DeclGroupPtrTy::make(DeclGroupRef(D)); | |||
3196 | } | |||
3197 | ||||
3198 | Sema::DeclGroupPtrTy | |||
3199 | Sema::ActOnOpenMPRequiresDirective(SourceLocation Loc, | |||
3200 | ArrayRef<OMPClause *> ClauseList) { | |||
3201 | OMPRequiresDecl *D = nullptr; | |||
3202 | if (!CurContext->isFileContext()) { | |||
3203 | Diag(Loc, diag::err_omp_invalid_scope) << "requires"; | |||
3204 | } else { | |||
3205 | D = CheckOMPRequiresDecl(Loc, ClauseList); | |||
3206 | if (D) { | |||
3207 | CurContext->addDecl(D); | |||
3208 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addRequiresDecl(D); | |||
3209 | } | |||
3210 | } | |||
3211 | return DeclGroupPtrTy::make(DeclGroupRef(D)); | |||
3212 | } | |||
3213 | ||||
3214 | void Sema::ActOnOpenMPAssumesDirective(SourceLocation Loc, | |||
3215 | OpenMPDirectiveKind DKind, | |||
3216 | ArrayRef<StringRef> Assumptions, | |||
3217 | bool SkippedClauses) { | |||
3218 | if (!SkippedClauses && Assumptions.empty()) | |||
3219 | Diag(Loc, diag::err_omp_no_clause_for_directive) | |||
3220 | << llvm::omp::getAllAssumeClauseOptions() | |||
3221 | << llvm::omp::getOpenMPDirectiveName(DKind); | |||
3222 | ||||
3223 | auto *AA = AssumptionAttr::Create(Context, llvm::join(Assumptions, ","), Loc); | |||
3224 | if (DKind == llvm::omp::Directive::OMPD_begin_assumes) { | |||
3225 | OMPAssumeScoped.push_back(AA); | |||
3226 | return; | |||
3227 | } | |||
3228 | ||||
3229 | // Global assumes without assumption clauses are ignored. | |||
3230 | if (Assumptions.empty()) | |||
3231 | return; | |||
3232 | ||||
3233 | assert(DKind == llvm::omp::Directive::OMPD_assumes &&((void)0) | |||
3234 | "Unexpected omp assumption directive!")((void)0); | |||
3235 | OMPAssumeGlobal.push_back(AA); | |||
3236 | ||||
3237 | // The OMPAssumeGlobal scope above will take care of new declarations but | |||
3238 | // we also want to apply the assumption to existing ones, e.g., to | |||
3239 | // declarations in included headers. To this end, we traverse all existing | |||
3240 | // declaration contexts and annotate function declarations here. | |||
3241 | SmallVector<DeclContext *, 8> DeclContexts; | |||
3242 | auto *Ctx = CurContext; | |||
3243 | while (Ctx->getLexicalParent()) | |||
3244 | Ctx = Ctx->getLexicalParent(); | |||
3245 | DeclContexts.push_back(Ctx); | |||
3246 | while (!DeclContexts.empty()) { | |||
3247 | DeclContext *DC = DeclContexts.pop_back_val(); | |||
3248 | for (auto *SubDC : DC->decls()) { | |||
3249 | if (SubDC->isInvalidDecl()) | |||
3250 | continue; | |||
3251 | if (auto *CTD = dyn_cast<ClassTemplateDecl>(SubDC)) { | |||
3252 | DeclContexts.push_back(CTD->getTemplatedDecl()); | |||
3253 | for (auto *S : CTD->specializations()) | |||
3254 | DeclContexts.push_back(S); | |||
3255 | continue; | |||
3256 | } | |||
3257 | if (auto *DC = dyn_cast<DeclContext>(SubDC)) | |||
3258 | DeclContexts.push_back(DC); | |||
3259 | if (auto *F = dyn_cast<FunctionDecl>(SubDC)) { | |||
3260 | F->addAttr(AA); | |||
3261 | continue; | |||
3262 | } | |||
3263 | } | |||
3264 | } | |||
3265 | } | |||
3266 | ||||
3267 | void Sema::ActOnOpenMPEndAssumesDirective() { | |||
3268 | assert(isInOpenMPAssumeScope() && "Not in OpenMP assumes scope!")((void)0); | |||
3269 | OMPAssumeScoped.pop_back(); | |||
3270 | } | |||
3271 | ||||
3272 | OMPRequiresDecl *Sema::CheckOMPRequiresDecl(SourceLocation Loc, | |||
3273 | ArrayRef<OMPClause *> ClauseList) { | |||
3274 | /// For target specific clauses, the requires directive cannot be | |||
3275 | /// specified after the handling of any of the target regions in the | |||
3276 | /// current compilation unit. | |||
3277 | ArrayRef<SourceLocation> TargetLocations = | |||
3278 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getEncounteredTargetLocs(); | |||
3279 | SourceLocation AtomicLoc = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAtomicDirectiveLoc(); | |||
3280 | if (!TargetLocations.empty() || !AtomicLoc.isInvalid()) { | |||
3281 | for (const OMPClause *CNew : ClauseList) { | |||
3282 | // Check if any of the requires clauses affect target regions. | |||
3283 | if (isa<OMPUnifiedSharedMemoryClause>(CNew) || | |||
3284 | isa<OMPUnifiedAddressClause>(CNew) || | |||
3285 | isa<OMPReverseOffloadClause>(CNew) || | |||
3286 | isa<OMPDynamicAllocatorsClause>(CNew)) { | |||
3287 | Diag(Loc, diag::err_omp_directive_before_requires) | |||
3288 | << "target" << getOpenMPClauseName(CNew->getClauseKind()); | |||
3289 | for (SourceLocation TargetLoc : TargetLocations) { | |||
3290 | Diag(TargetLoc, diag::note_omp_requires_encountered_directive) | |||
3291 | << "target"; | |||
3292 | } | |||
3293 | } else if (!AtomicLoc.isInvalid() && | |||
3294 | isa<OMPAtomicDefaultMemOrderClause>(CNew)) { | |||
3295 | Diag(Loc, diag::err_omp_directive_before_requires) | |||
3296 | << "atomic" << getOpenMPClauseName(CNew->getClauseKind()); | |||
3297 | Diag(AtomicLoc, diag::note_omp_requires_encountered_directive) | |||
3298 | << "atomic"; | |||
3299 | } | |||
3300 | } | |||
3301 | } | |||
3302 | ||||
3303 | if (!DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasDuplicateRequiresClause(ClauseList)) | |||
3304 | return OMPRequiresDecl::Create(Context, getCurLexicalContext(), Loc, | |||
3305 | ClauseList); | |||
3306 | return nullptr; | |||
3307 | } | |||
3308 | ||||
3309 | static void reportOriginalDsa(Sema &SemaRef, const DSAStackTy *Stack, | |||
3310 | const ValueDecl *D, | |||
3311 | const DSAStackTy::DSAVarData &DVar, | |||
3312 | bool IsLoopIterVar) { | |||
3313 | if (DVar.RefExpr) { | |||
3314 | SemaRef.Diag(DVar.RefExpr->getExprLoc(), diag::note_omp_explicit_dsa) | |||
3315 | << getOpenMPClauseName(DVar.CKind); | |||
3316 | return; | |||
3317 | } | |||
3318 | enum { | |||
3319 | PDSA_StaticMemberShared, | |||
3320 | PDSA_StaticLocalVarShared, | |||
3321 | PDSA_LoopIterVarPrivate, | |||
3322 | PDSA_LoopIterVarLinear, | |||
3323 | PDSA_LoopIterVarLastprivate, | |||
3324 | PDSA_ConstVarShared, | |||
3325 | PDSA_GlobalVarShared, | |||
3326 | PDSA_TaskVarFirstprivate, | |||
3327 | PDSA_LocalVarPrivate, | |||
3328 | PDSA_Implicit | |||
3329 | } Reason = PDSA_Implicit; | |||
3330 | bool ReportHint = false; | |||
3331 | auto ReportLoc = D->getLocation(); | |||
3332 | auto *VD = dyn_cast<VarDecl>(D); | |||
3333 | if (IsLoopIterVar) { | |||
3334 | if (DVar.CKind == OMPC_private) | |||
3335 | Reason = PDSA_LoopIterVarPrivate; | |||
3336 | else if (DVar.CKind == OMPC_lastprivate) | |||
3337 | Reason = PDSA_LoopIterVarLastprivate; | |||
3338 | else | |||
3339 | Reason = PDSA_LoopIterVarLinear; | |||
3340 | } else if (isOpenMPTaskingDirective(DVar.DKind) && | |||
3341 | DVar.CKind == OMPC_firstprivate) { | |||
3342 | Reason = PDSA_TaskVarFirstprivate; | |||
3343 | ReportLoc = DVar.ImplicitDSALoc; | |||
3344 | } else if (VD && VD->isStaticLocal()) | |||
3345 | Reason = PDSA_StaticLocalVarShared; | |||
3346 | else if (VD && VD->isStaticDataMember()) | |||
3347 | Reason = PDSA_StaticMemberShared; | |||
3348 | else if (VD && VD->isFileVarDecl()) | |||
3349 | Reason = PDSA_GlobalVarShared; | |||
3350 | else if (D->getType().isConstant(SemaRef.getASTContext())) | |||
3351 | Reason = PDSA_ConstVarShared; | |||
3352 | else if (VD && VD->isLocalVarDecl() && DVar.CKind == OMPC_private) { | |||
3353 | ReportHint = true; | |||
3354 | Reason = PDSA_LocalVarPrivate; | |||
3355 | } | |||
3356 | if (Reason != PDSA_Implicit) { | |||
3357 | SemaRef.Diag(ReportLoc, diag::note_omp_predetermined_dsa) | |||
3358 | << Reason << ReportHint | |||
3359 | << getOpenMPDirectiveName(Stack->getCurrentDirective()); | |||
3360 | } else if (DVar.ImplicitDSALoc.isValid()) { | |||
3361 | SemaRef.Diag(DVar.ImplicitDSALoc, diag::note_omp_implicit_dsa) | |||
3362 | << getOpenMPClauseName(DVar.CKind); | |||
3363 | } | |||
3364 | } | |||
3365 | ||||
3366 | static OpenMPMapClauseKind | |||
3367 | getMapClauseKindFromModifier(OpenMPDefaultmapClauseModifier M, | |||
3368 | bool IsAggregateOrDeclareTarget) { | |||
3369 | OpenMPMapClauseKind Kind = OMPC_MAP_unknown; | |||
3370 | switch (M) { | |||
3371 | case OMPC_DEFAULTMAP_MODIFIER_alloc: | |||
3372 | Kind = OMPC_MAP_alloc; | |||
3373 | break; | |||
3374 | case OMPC_DEFAULTMAP_MODIFIER_to: | |||
3375 | Kind = OMPC_MAP_to; | |||
3376 | break; | |||
3377 | case OMPC_DEFAULTMAP_MODIFIER_from: | |||
3378 | Kind = OMPC_MAP_from; | |||
3379 | break; | |||
3380 | case OMPC_DEFAULTMAP_MODIFIER_tofrom: | |||
3381 | Kind = OMPC_MAP_tofrom; | |||
3382 | break; | |||
3383 | case OMPC_DEFAULTMAP_MODIFIER_present: | |||
3384 | // OpenMP 5.1 [2.21.7.3] defaultmap clause, Description] | |||
3385 | // If implicit-behavior is present, each variable referenced in the | |||
3386 | // construct in the category specified by variable-category is treated as if | |||
3387 | // it had been listed in a map clause with the map-type of alloc and | |||
3388 | // map-type-modifier of present. | |||
3389 | Kind = OMPC_MAP_alloc; | |||
3390 | break; | |||
3391 | case OMPC_DEFAULTMAP_MODIFIER_firstprivate: | |||
3392 | case OMPC_DEFAULTMAP_MODIFIER_last: | |||
3393 | llvm_unreachable("Unexpected defaultmap implicit behavior")__builtin_unreachable(); | |||
3394 | case OMPC_DEFAULTMAP_MODIFIER_none: | |||
3395 | case OMPC_DEFAULTMAP_MODIFIER_default: | |||
3396 | case OMPC_DEFAULTMAP_MODIFIER_unknown: | |||
3397 | // IsAggregateOrDeclareTarget could be true if: | |||
3398 | // 1. the implicit behavior for aggregate is tofrom | |||
3399 | // 2. it's a declare target link | |||
3400 | if (IsAggregateOrDeclareTarget) { | |||
3401 | Kind = OMPC_MAP_tofrom; | |||
3402 | break; | |||
3403 | } | |||
3404 | llvm_unreachable("Unexpected defaultmap implicit behavior")__builtin_unreachable(); | |||
3405 | } | |||
3406 | assert(Kind != OMPC_MAP_unknown && "Expect map kind to be known")((void)0); | |||
3407 | return Kind; | |||
3408 | } | |||
3409 | ||||
3410 | namespace { | |||
3411 | class DSAAttrChecker final : public StmtVisitor<DSAAttrChecker, void> { | |||
3412 | DSAStackTy *Stack; | |||
3413 | Sema &SemaRef; | |||
3414 | bool ErrorFound = false; | |||
3415 | bool TryCaptureCXXThisMembers = false; | |||
3416 | CapturedStmt *CS = nullptr; | |||
3417 | const static unsigned DefaultmapKindNum = OMPC_DEFAULTMAP_pointer + 1; | |||
3418 | llvm::SmallVector<Expr *, 4> ImplicitFirstprivate; | |||
3419 | llvm::SmallVector<Expr *, 4> ImplicitMap[DefaultmapKindNum][OMPC_MAP_delete]; | |||
3420 | llvm::SmallVector<OpenMPMapModifierKind, NumberOfOMPMapClauseModifiers> | |||
3421 | ImplicitMapModifier[DefaultmapKindNum]; | |||
3422 | Sema::VarsWithInheritedDSAType VarsWithInheritedDSA; | |||
3423 | llvm::SmallDenseSet<const ValueDecl *, 4> ImplicitDeclarations; | |||
3424 | ||||
3425 | void VisitSubCaptures(OMPExecutableDirective *S) { | |||
3426 | // Check implicitly captured variables. | |||
3427 | if (!S->hasAssociatedStmt() || !S->getAssociatedStmt()) | |||
3428 | return; | |||
3429 | if (S->getDirectiveKind() == OMPD_atomic || | |||
3430 | S->getDirectiveKind() == OMPD_critical || | |||
3431 | S->getDirectiveKind() == OMPD_section || | |||
3432 | S->getDirectiveKind() == OMPD_master || | |||
3433 | S->getDirectiveKind() == OMPD_masked || | |||
3434 | isOpenMPLoopTransformationDirective(S->getDirectiveKind())) { | |||
3435 | Visit(S->getAssociatedStmt()); | |||
3436 | return; | |||
3437 | } | |||
3438 | visitSubCaptures(S->getInnermostCapturedStmt()); | |||
3439 | // Try to capture inner this->member references to generate correct mappings | |||
3440 | // and diagnostics. | |||
3441 | if (TryCaptureCXXThisMembers || | |||
3442 | (isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()) && | |||
3443 | llvm::any_of(S->getInnermostCapturedStmt()->captures(), | |||
3444 | [](const CapturedStmt::Capture &C) { | |||
3445 | return C.capturesThis(); | |||
3446 | }))) { | |||
3447 | bool SavedTryCaptureCXXThisMembers = TryCaptureCXXThisMembers; | |||
3448 | TryCaptureCXXThisMembers = true; | |||
3449 | Visit(S->getInnermostCapturedStmt()->getCapturedStmt()); | |||
3450 | TryCaptureCXXThisMembers = SavedTryCaptureCXXThisMembers; | |||
3451 | } | |||
3452 | // In tasks firstprivates are not captured anymore, need to analyze them | |||
3453 | // explicitly. | |||
3454 | if (isOpenMPTaskingDirective(S->getDirectiveKind()) && | |||
3455 | !isOpenMPTaskLoopDirective(S->getDirectiveKind())) { | |||
3456 | for (OMPClause *C : S->clauses()) | |||
3457 | if (auto *FC = dyn_cast<OMPFirstprivateClause>(C)) { | |||
3458 | for (Expr *Ref : FC->varlists()) | |||
3459 | Visit(Ref); | |||
3460 | } | |||
3461 | } | |||
3462 | } | |||
3463 | ||||
3464 | public: | |||
3465 | void VisitDeclRefExpr(DeclRefExpr *E) { | |||
3466 | if (TryCaptureCXXThisMembers || E->isTypeDependent() || | |||
3467 | E->isValueDependent() || E->containsUnexpandedParameterPack() || | |||
3468 | E->isInstantiationDependent()) | |||
3469 | return; | |||
3470 | if (auto *VD = dyn_cast<VarDecl>(E->getDecl())) { | |||
3471 | // Check the datasharing rules for the expressions in the clauses. | |||
3472 | if (!CS) { | |||
3473 | if (auto *CED = dyn_cast<OMPCapturedExprDecl>(VD)) | |||
3474 | if (!CED->hasAttr<OMPCaptureNoInitAttr>()) { | |||
3475 | Visit(CED->getInit()); | |||
3476 | return; | |||
3477 | } | |||
3478 | } else if (VD->isImplicit() || isa<OMPCapturedExprDecl>(VD)) | |||
3479 | // Do not analyze internal variables and do not enclose them into | |||
3480 | // implicit clauses. | |||
3481 | return; | |||
3482 | VD = VD->getCanonicalDecl(); | |||
3483 | // Skip internally declared variables. | |||
3484 | if (VD->hasLocalStorage() && CS && !CS->capturesVariable(VD) && | |||
3485 | !Stack->isImplicitTaskFirstprivate(VD)) | |||
3486 | return; | |||
3487 | // Skip allocators in uses_allocators clauses. | |||
3488 | if (Stack->isUsesAllocatorsDecl(VD).hasValue()) | |||
3489 | return; | |||
3490 | ||||
3491 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(VD, /*FromParent=*/false); | |||
3492 | // Check if the variable has explicit DSA set and stop analysis if it so. | |||
3493 | if (DVar.RefExpr || !ImplicitDeclarations.insert(VD).second) | |||
3494 | return; | |||
3495 | ||||
3496 | // Skip internally declared static variables. | |||
3497 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | |||
3498 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | |||
3499 | if (VD->hasGlobalStorage() && CS && !CS->capturesVariable(VD) && | |||
3500 | (Stack->hasRequiresDeclWithClause<OMPUnifiedSharedMemoryClause>() || | |||
3501 | !Res || *Res != OMPDeclareTargetDeclAttr::MT_Link) && | |||
3502 | !Stack->isImplicitTaskFirstprivate(VD)) | |||
3503 | return; | |||
3504 | ||||
3505 | SourceLocation ELoc = E->getExprLoc(); | |||
3506 | OpenMPDirectiveKind DKind = Stack->getCurrentDirective(); | |||
3507 | // The default(none) clause requires that each variable that is referenced | |||
3508 | // in the construct, and does not have a predetermined data-sharing | |||
3509 | // attribute, must have its data-sharing attribute explicitly determined | |||
3510 | // by being listed in a data-sharing attribute clause. | |||
3511 | if (DVar.CKind == OMPC_unknown && | |||
3512 | (Stack->getDefaultDSA() == DSA_none || | |||
3513 | Stack->getDefaultDSA() == DSA_firstprivate) && | |||
3514 | isImplicitOrExplicitTaskingRegion(DKind) && | |||
3515 | VarsWithInheritedDSA.count(VD) == 0) { | |||
3516 | bool InheritedDSA = Stack->getDefaultDSA() == DSA_none; | |||
3517 | if (!InheritedDSA && Stack->getDefaultDSA() == DSA_firstprivate) { | |||
3518 | DSAStackTy::DSAVarData DVar = | |||
3519 | Stack->getImplicitDSA(VD, /*FromParent=*/false); | |||
3520 | InheritedDSA = DVar.CKind == OMPC_unknown; | |||
3521 | } | |||
3522 | if (InheritedDSA) | |||
3523 | VarsWithInheritedDSA[VD] = E; | |||
3524 | return; | |||
3525 | } | |||
3526 | ||||
3527 | // OpenMP 5.0 [2.19.7.2, defaultmap clause, Description] | |||
3528 | // If implicit-behavior is none, each variable referenced in the | |||
3529 | // construct that does not have a predetermined data-sharing attribute | |||
3530 | // and does not appear in a to or link clause on a declare target | |||
3531 | // directive must be listed in a data-mapping attribute clause, a | |||
3532 | // data-haring attribute clause (including a data-sharing attribute | |||
3533 | // clause on a combined construct where target. is one of the | |||
3534 | // constituent constructs), or an is_device_ptr clause. | |||
3535 | OpenMPDefaultmapClauseKind ClauseKind = | |||
3536 | getVariableCategoryFromDecl(SemaRef.getLangOpts(), VD); | |||
3537 | if (SemaRef.getLangOpts().OpenMP >= 50) { | |||
3538 | bool IsModifierNone = Stack->getDefaultmapModifier(ClauseKind) == | |||
3539 | OMPC_DEFAULTMAP_MODIFIER_none; | |||
3540 | if (DVar.CKind == OMPC_unknown && IsModifierNone && | |||
3541 | VarsWithInheritedDSA.count(VD) == 0 && !Res) { | |||
3542 | // Only check for data-mapping attribute and is_device_ptr here | |||
3543 | // since we have already make sure that the declaration does not | |||
3544 | // have a data-sharing attribute above | |||
3545 | if (!Stack->checkMappableExprComponentListsForDecl( | |||
3546 | VD, /*CurrentRegionOnly=*/true, | |||
3547 | [VD](OMPClauseMappableExprCommon::MappableExprComponentListRef | |||
3548 | MapExprComponents, | |||
3549 | OpenMPClauseKind) { | |||
3550 | auto MI = MapExprComponents.rbegin(); | |||
3551 | auto ME = MapExprComponents.rend(); | |||
3552 | return MI != ME && MI->getAssociatedDeclaration() == VD; | |||
3553 | })) { | |||
3554 | VarsWithInheritedDSA[VD] = E; | |||
3555 | return; | |||
3556 | } | |||
3557 | } | |||
3558 | } | |||
3559 | if (SemaRef.getLangOpts().OpenMP > 50) { | |||
3560 | bool IsModifierPresent = Stack->getDefaultmapModifier(ClauseKind) == | |||
3561 | OMPC_DEFAULTMAP_MODIFIER_present; | |||
3562 | if (IsModifierPresent) { | |||
3563 | if (llvm::find(ImplicitMapModifier[ClauseKind], | |||
3564 | OMPC_MAP_MODIFIER_present) == | |||
3565 | std::end(ImplicitMapModifier[ClauseKind])) { | |||
3566 | ImplicitMapModifier[ClauseKind].push_back( | |||
3567 | OMPC_MAP_MODIFIER_present); | |||
3568 | } | |||
3569 | } | |||
3570 | } | |||
3571 | ||||
3572 | if (isOpenMPTargetExecutionDirective(DKind) && | |||
3573 | !Stack->isLoopControlVariable(VD).first) { | |||
3574 | if (!Stack->checkMappableExprComponentListsForDecl( | |||
3575 | VD, /*CurrentRegionOnly=*/true, | |||
3576 | [this](OMPClauseMappableExprCommon::MappableExprComponentListRef | |||
3577 | StackComponents, | |||
3578 | OpenMPClauseKind) { | |||
3579 | if (SemaRef.LangOpts.OpenMP >= 50) | |||
3580 | return !StackComponents.empty(); | |||
3581 | // Variable is used if it has been marked as an array, array | |||
3582 | // section, array shaping or the variable iself. | |||
3583 | return StackComponents.size() == 1 || | |||
3584 | std::all_of( | |||
3585 | std::next(StackComponents.rbegin()), | |||
3586 | StackComponents.rend(), | |||
3587 | [](const OMPClauseMappableExprCommon:: | |||
3588 | MappableComponent &MC) { | |||
3589 | return MC.getAssociatedDeclaration() == | |||
3590 | nullptr && | |||
3591 | (isa<OMPArraySectionExpr>( | |||
3592 | MC.getAssociatedExpression()) || | |||
3593 | isa<OMPArrayShapingExpr>( | |||
3594 | MC.getAssociatedExpression()) || | |||
3595 | isa<ArraySubscriptExpr>( | |||
3596 | MC.getAssociatedExpression())); | |||
3597 | }); | |||
3598 | })) { | |||
3599 | bool IsFirstprivate = false; | |||
3600 | // By default lambdas are captured as firstprivates. | |||
3601 | if (const auto *RD = | |||
3602 | VD->getType().getNonReferenceType()->getAsCXXRecordDecl()) | |||
3603 | IsFirstprivate = RD->isLambda(); | |||
3604 | IsFirstprivate = | |||
3605 | IsFirstprivate || (Stack->mustBeFirstprivate(ClauseKind) && !Res); | |||
3606 | if (IsFirstprivate) { | |||
3607 | ImplicitFirstprivate.emplace_back(E); | |||
3608 | } else { | |||
3609 | OpenMPDefaultmapClauseModifier M = | |||
3610 | Stack->getDefaultmapModifier(ClauseKind); | |||
3611 | OpenMPMapClauseKind Kind = getMapClauseKindFromModifier( | |||
3612 | M, ClauseKind == OMPC_DEFAULTMAP_aggregate || Res); | |||
3613 | ImplicitMap[ClauseKind][Kind].emplace_back(E); | |||
3614 | } | |||
3615 | return; | |||
3616 | } | |||
3617 | } | |||
3618 | ||||
3619 | // OpenMP [2.9.3.6, Restrictions, p.2] | |||
3620 | // A list item that appears in a reduction clause of the innermost | |||
3621 | // enclosing worksharing or parallel construct may not be accessed in an | |||
3622 | // explicit task. | |||
3623 | DVar = Stack->hasInnermostDSA( | |||
3624 | VD, | |||
3625 | [](OpenMPClauseKind C, bool AppliedToPointee) { | |||
3626 | return C == OMPC_reduction && !AppliedToPointee; | |||
3627 | }, | |||
3628 | [](OpenMPDirectiveKind K) { | |||
3629 | return isOpenMPParallelDirective(K) || | |||
3630 | isOpenMPWorksharingDirective(K) || isOpenMPTeamsDirective(K); | |||
3631 | }, | |||
3632 | /*FromParent=*/true); | |||
3633 | if (isOpenMPTaskingDirective(DKind) && DVar.CKind == OMPC_reduction) { | |||
3634 | ErrorFound = true; | |||
3635 | SemaRef.Diag(ELoc, diag::err_omp_reduction_in_task); | |||
3636 | reportOriginalDsa(SemaRef, Stack, VD, DVar); | |||
3637 | return; | |||
3638 | } | |||
3639 | ||||
3640 | // Define implicit data-sharing attributes for task. | |||
3641 | DVar = Stack->getImplicitDSA(VD, /*FromParent=*/false); | |||
3642 | if (((isOpenMPTaskingDirective(DKind) && DVar.CKind != OMPC_shared) || | |||
3643 | (Stack->getDefaultDSA() == DSA_firstprivate && | |||
3644 | DVar.CKind == OMPC_firstprivate && !DVar.RefExpr)) && | |||
3645 | !Stack->isLoopControlVariable(VD).first) { | |||
3646 | ImplicitFirstprivate.push_back(E); | |||
3647 | return; | |||
3648 | } | |||
3649 | ||||
3650 | // Store implicitly used globals with declare target link for parent | |||
3651 | // target. | |||
3652 | if (!isOpenMPTargetExecutionDirective(DKind) && Res && | |||
3653 | *Res == OMPDeclareTargetDeclAttr::MT_Link) { | |||
3654 | Stack->addToParentTargetRegionLinkGlobals(E); | |||
3655 | return; | |||
3656 | } | |||
3657 | } | |||
3658 | } | |||
3659 | void VisitMemberExpr(MemberExpr *E) { | |||
3660 | if (E->isTypeDependent() || E->isValueDependent() || | |||
3661 | E->containsUnexpandedParameterPack() || E->isInstantiationDependent()) | |||
3662 | return; | |||
3663 | auto *FD = dyn_cast<FieldDecl>(E->getMemberDecl()); | |||
3664 | OpenMPDirectiveKind DKind = Stack->getCurrentDirective(); | |||
3665 | if (auto *TE = dyn_cast<CXXThisExpr>(E->getBase()->IgnoreParenCasts())) { | |||
3666 | if (!FD) | |||
3667 | return; | |||
3668 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(FD, /*FromParent=*/false); | |||
3669 | // Check if the variable has explicit DSA set and stop analysis if it | |||
3670 | // so. | |||
3671 | if (DVar.RefExpr || !ImplicitDeclarations.insert(FD).second) | |||
3672 | return; | |||
3673 | ||||
3674 | if (isOpenMPTargetExecutionDirective(DKind) && | |||
3675 | !Stack->isLoopControlVariable(FD).first && | |||
3676 | !Stack->checkMappableExprComponentListsForDecl( | |||
3677 | FD, /*CurrentRegionOnly=*/true, | |||
3678 | [](OMPClauseMappableExprCommon::MappableExprComponentListRef | |||
3679 | StackComponents, | |||
3680 | OpenMPClauseKind) { | |||
3681 | return isa<CXXThisExpr>( | |||
3682 | cast<MemberExpr>( | |||
3683 | StackComponents.back().getAssociatedExpression()) | |||
3684 | ->getBase() | |||
3685 | ->IgnoreParens()); | |||
3686 | })) { | |||
3687 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.3] | |||
3688 | // A bit-field cannot appear in a map clause. | |||
3689 | // | |||
3690 | if (FD->isBitField()) | |||
3691 | return; | |||
3692 | ||||
3693 | // Check to see if the member expression is referencing a class that | |||
3694 | // has already been explicitly mapped | |||
3695 | if (Stack->isClassPreviouslyMapped(TE->getType())) | |||
3696 | return; | |||
3697 | ||||
3698 | OpenMPDefaultmapClauseModifier Modifier = | |||
3699 | Stack->getDefaultmapModifier(OMPC_DEFAULTMAP_aggregate); | |||
3700 | OpenMPDefaultmapClauseKind ClauseKind = | |||
3701 | getVariableCategoryFromDecl(SemaRef.getLangOpts(), FD); | |||
3702 | OpenMPMapClauseKind Kind = getMapClauseKindFromModifier( | |||
3703 | Modifier, /*IsAggregateOrDeclareTarget*/ true); | |||
3704 | ImplicitMap[ClauseKind][Kind].emplace_back(E); | |||
3705 | return; | |||
3706 | } | |||
3707 | ||||
3708 | SourceLocation ELoc = E->getExprLoc(); | |||
3709 | // OpenMP [2.9.3.6, Restrictions, p.2] | |||
3710 | // A list item that appears in a reduction clause of the innermost | |||
3711 | // enclosing worksharing or parallel construct may not be accessed in | |||
3712 | // an explicit task. | |||
3713 | DVar = Stack->hasInnermostDSA( | |||
3714 | FD, | |||
3715 | [](OpenMPClauseKind C, bool AppliedToPointee) { | |||
3716 | return C == OMPC_reduction && !AppliedToPointee; | |||
3717 | }, | |||
3718 | [](OpenMPDirectiveKind K) { | |||
3719 | return isOpenMPParallelDirective(K) || | |||
3720 | isOpenMPWorksharingDirective(K) || isOpenMPTeamsDirective(K); | |||
3721 | }, | |||
3722 | /*FromParent=*/true); | |||
3723 | if (isOpenMPTaskingDirective(DKind) && DVar.CKind == OMPC_reduction) { | |||
3724 | ErrorFound = true; | |||
3725 | SemaRef.Diag(ELoc, diag::err_omp_reduction_in_task); | |||
3726 | reportOriginalDsa(SemaRef, Stack, FD, DVar); | |||
3727 | return; | |||
3728 | } | |||
3729 | ||||
3730 | // Define implicit data-sharing attributes for task. | |||
3731 | DVar = Stack->getImplicitDSA(FD, /*FromParent=*/false); | |||
3732 | if (isOpenMPTaskingDirective(DKind) && DVar.CKind != OMPC_shared && | |||
3733 | !Stack->isLoopControlVariable(FD).first) { | |||
3734 | // Check if there is a captured expression for the current field in the | |||
3735 | // region. Do not mark it as firstprivate unless there is no captured | |||
3736 | // expression. | |||
3737 | // TODO: try to make it firstprivate. | |||
3738 | if (DVar.CKind != OMPC_unknown) | |||
3739 | ImplicitFirstprivate.push_back(E); | |||
3740 | } | |||
3741 | return; | |||
3742 | } | |||
3743 | if (isOpenMPTargetExecutionDirective(DKind)) { | |||
3744 | OMPClauseMappableExprCommon::MappableExprComponentList CurComponents; | |||
3745 | if (!checkMapClauseExpressionBase(SemaRef, E, CurComponents, OMPC_map, | |||
3746 | Stack->getCurrentDirective(), | |||
3747 | /*NoDiagnose=*/true)) | |||
3748 | return; | |||
3749 | const auto *VD = cast<ValueDecl>( | |||
3750 | CurComponents.back().getAssociatedDeclaration()->getCanonicalDecl()); | |||
3751 | if (!Stack->checkMappableExprComponentListsForDecl( | |||
3752 | VD, /*CurrentRegionOnly=*/true, | |||
3753 | [&CurComponents]( | |||
3754 | OMPClauseMappableExprCommon::MappableExprComponentListRef | |||
3755 | StackComponents, | |||
3756 | OpenMPClauseKind) { | |||
3757 | auto CCI = CurComponents.rbegin(); | |||
3758 | auto CCE = CurComponents.rend(); | |||
3759 | for (const auto &SC : llvm::reverse(StackComponents)) { | |||
3760 | // Do both expressions have the same kind? | |||
3761 | if (CCI->getAssociatedExpression()->getStmtClass() != | |||
3762 | SC.getAssociatedExpression()->getStmtClass()) | |||
3763 | if (!((isa<OMPArraySectionExpr>( | |||
3764 | SC.getAssociatedExpression()) || | |||
3765 | isa<OMPArrayShapingExpr>( | |||
3766 | SC.getAssociatedExpression())) && | |||
3767 | isa<ArraySubscriptExpr>( | |||
3768 | CCI->getAssociatedExpression()))) | |||
3769 | return false; | |||
3770 | ||||
3771 | const Decl *CCD = CCI->getAssociatedDeclaration(); | |||
3772 | const Decl *SCD = SC.getAssociatedDeclaration(); | |||
3773 | CCD = CCD ? CCD->getCanonicalDecl() : nullptr; | |||
3774 | SCD = SCD ? SCD->getCanonicalDecl() : nullptr; | |||
3775 | if (SCD != CCD) | |||
3776 | return false; | |||
3777 | std::advance(CCI, 1); | |||
3778 | if (CCI == CCE) | |||
3779 | break; | |||
3780 | } | |||
3781 | return true; | |||
3782 | })) { | |||
3783 | Visit(E->getBase()); | |||
3784 | } | |||
3785 | } else if (!TryCaptureCXXThisMembers) { | |||
3786 | Visit(E->getBase()); | |||
3787 | } | |||
3788 | } | |||
3789 | void VisitOMPExecutableDirective(OMPExecutableDirective *S) { | |||
3790 | for (OMPClause *C : S->clauses()) { | |||
3791 | // Skip analysis of arguments of implicitly defined firstprivate clause | |||
3792 | // for task|target directives. | |||
3793 | // Skip analysis of arguments of implicitly defined map clause for target | |||
3794 | // directives. | |||
3795 | if (C && !((isa<OMPFirstprivateClause>(C) || isa<OMPMapClause>(C)) && | |||
3796 | C->isImplicit() && | |||
3797 | !isOpenMPTaskingDirective(Stack->getCurrentDirective()))) { | |||
3798 | for (Stmt *CC : C->children()) { | |||
3799 | if (CC) | |||
3800 | Visit(CC); | |||
3801 | } | |||
3802 | } | |||
3803 | } | |||
3804 | // Check implicitly captured variables. | |||
3805 | VisitSubCaptures(S); | |||
3806 | } | |||
3807 | ||||
3808 | void VisitOMPTileDirective(OMPTileDirective *S) { | |||
3809 | // #pragma omp tile does not introduce data sharing. | |||
3810 | VisitStmt(S); | |||
3811 | } | |||
3812 | ||||
3813 | void VisitOMPUnrollDirective(OMPUnrollDirective *S) { | |||
3814 | // #pragma omp unroll does not introduce data sharing. | |||
3815 | VisitStmt(S); | |||
3816 | } | |||
3817 | ||||
3818 | void VisitStmt(Stmt *S) { | |||
3819 | for (Stmt *C : S->children()) { | |||
3820 | if (C) { | |||
3821 | // Check implicitly captured variables in the task-based directives to | |||
3822 | // check if they must be firstprivatized. | |||
3823 | Visit(C); | |||
3824 | } | |||
3825 | } | |||
3826 | } | |||
3827 | ||||
3828 | void visitSubCaptures(CapturedStmt *S) { | |||
3829 | for (const CapturedStmt::Capture &Cap : S->captures()) { | |||
3830 | if (!Cap.capturesVariable() && !Cap.capturesVariableByCopy()) | |||
3831 | continue; | |||
3832 | VarDecl *VD = Cap.getCapturedVar(); | |||
3833 | // Do not try to map the variable if it or its sub-component was mapped | |||
3834 | // already. | |||
3835 | if (isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()) && | |||
3836 | Stack->checkMappableExprComponentListsForDecl( | |||
3837 | VD, /*CurrentRegionOnly=*/true, | |||
3838 | [](OMPClauseMappableExprCommon::MappableExprComponentListRef, | |||
3839 | OpenMPClauseKind) { return true; })) | |||
3840 | continue; | |||
3841 | DeclRefExpr *DRE = buildDeclRefExpr( | |||
3842 | SemaRef, VD, VD->getType().getNonLValueExprType(SemaRef.Context), | |||
3843 | Cap.getLocation(), /*RefersToCapture=*/true); | |||
3844 | Visit(DRE); | |||
3845 | } | |||
3846 | } | |||
3847 | bool isErrorFound() const { return ErrorFound; } | |||
3848 | ArrayRef<Expr *> getImplicitFirstprivate() const { | |||
3849 | return ImplicitFirstprivate; | |||
3850 | } | |||
3851 | ArrayRef<Expr *> getImplicitMap(OpenMPDefaultmapClauseKind DK, | |||
3852 | OpenMPMapClauseKind MK) const { | |||
3853 | return ImplicitMap[DK][MK]; | |||
3854 | } | |||
3855 | ArrayRef<OpenMPMapModifierKind> | |||
3856 | getImplicitMapModifier(OpenMPDefaultmapClauseKind Kind) const { | |||
3857 | return ImplicitMapModifier[Kind]; | |||
3858 | } | |||
3859 | const Sema::VarsWithInheritedDSAType &getVarsWithInheritedDSA() const { | |||
3860 | return VarsWithInheritedDSA; | |||
3861 | } | |||
3862 | ||||
3863 | DSAAttrChecker(DSAStackTy *S, Sema &SemaRef, CapturedStmt *CS) | |||
3864 | : Stack(S), SemaRef(SemaRef), ErrorFound(false), CS(CS) { | |||
3865 | // Process declare target link variables for the target directives. | |||
3866 | if (isOpenMPTargetExecutionDirective(S->getCurrentDirective())) { | |||
3867 | for (DeclRefExpr *E : Stack->getLinkGlobals()) | |||
3868 | Visit(E); | |||
3869 | } | |||
3870 | } | |||
3871 | }; | |||
3872 | } // namespace | |||
3873 | ||||
3874 | void Sema::ActOnOpenMPRegionStart(OpenMPDirectiveKind DKind, Scope *CurScope) { | |||
3875 | switch (DKind) { | |||
3876 | case OMPD_parallel: | |||
3877 | case OMPD_parallel_for: | |||
3878 | case OMPD_parallel_for_simd: | |||
3879 | case OMPD_parallel_sections: | |||
3880 | case OMPD_parallel_master: | |||
3881 | case OMPD_teams: | |||
3882 | case OMPD_teams_distribute: | |||
3883 | case OMPD_teams_distribute_simd: { | |||
3884 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | |||
3885 | QualType KmpInt32PtrTy = | |||
3886 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | |||
3887 | Sema::CapturedParamNameType Params[] = { | |||
3888 | std::make_pair(".global_tid.", KmpInt32PtrTy), | |||
3889 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | |||
3890 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
3891 | }; | |||
3892 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
3893 | Params); | |||
3894 | break; | |||
3895 | } | |||
3896 | case OMPD_target_teams: | |||
3897 | case OMPD_target_parallel: | |||
3898 | case OMPD_target_parallel_for: | |||
3899 | case OMPD_target_parallel_for_simd: | |||
3900 | case OMPD_target_teams_distribute: | |||
3901 | case OMPD_target_teams_distribute_simd: { | |||
3902 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | |||
3903 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | |||
3904 | QualType KmpInt32PtrTy = | |||
3905 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | |||
3906 | QualType Args[] = {VoidPtrTy}; | |||
3907 | FunctionProtoType::ExtProtoInfo EPI; | |||
3908 | EPI.Variadic = true; | |||
3909 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | |||
3910 | Sema::CapturedParamNameType Params[] = { | |||
3911 | std::make_pair(".global_tid.", KmpInt32Ty), | |||
3912 | std::make_pair(".part_id.", KmpInt32PtrTy), | |||
3913 | std::make_pair(".privates.", VoidPtrTy), | |||
3914 | std::make_pair( | |||
3915 | ".copy_fn.", | |||
3916 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | |||
3917 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | |||
3918 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
3919 | }; | |||
3920 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
3921 | Params, /*OpenMPCaptureLevel=*/0); | |||
3922 | // Mark this captured region as inlined, because we don't use outlined | |||
3923 | // function directly. | |||
3924 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | |||
3925 | AlwaysInlineAttr::CreateImplicit( | |||
3926 | Context, {}, AttributeCommonInfo::AS_Keyword, | |||
3927 | AlwaysInlineAttr::Keyword_forceinline)); | |||
3928 | Sema::CapturedParamNameType ParamsTarget[] = { | |||
3929 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
3930 | }; | |||
3931 | // Start a captured region for 'target' with no implicit parameters. | |||
3932 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
3933 | ParamsTarget, /*OpenMPCaptureLevel=*/1); | |||
3934 | Sema::CapturedParamNameType ParamsTeamsOrParallel[] = { | |||
3935 | std::make_pair(".global_tid.", KmpInt32PtrTy), | |||
3936 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | |||
3937 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
3938 | }; | |||
3939 | // Start a captured region for 'teams' or 'parallel'. Both regions have | |||
3940 | // the same implicit parameters. | |||
3941 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
3942 | ParamsTeamsOrParallel, /*OpenMPCaptureLevel=*/2); | |||
3943 | break; | |||
3944 | } | |||
3945 | case OMPD_target: | |||
3946 | case OMPD_target_simd: { | |||
3947 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | |||
3948 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | |||
3949 | QualType KmpInt32PtrTy = | |||
3950 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | |||
3951 | QualType Args[] = {VoidPtrTy}; | |||
3952 | FunctionProtoType::ExtProtoInfo EPI; | |||
3953 | EPI.Variadic = true; | |||
3954 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | |||
3955 | Sema::CapturedParamNameType Params[] = { | |||
3956 | std::make_pair(".global_tid.", KmpInt32Ty), | |||
3957 | std::make_pair(".part_id.", KmpInt32PtrTy), | |||
3958 | std::make_pair(".privates.", VoidPtrTy), | |||
3959 | std::make_pair( | |||
3960 | ".copy_fn.", | |||
3961 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | |||
3962 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | |||
3963 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
3964 | }; | |||
3965 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
3966 | Params, /*OpenMPCaptureLevel=*/0); | |||
3967 | // Mark this captured region as inlined, because we don't use outlined | |||
3968 | // function directly. | |||
3969 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | |||
3970 | AlwaysInlineAttr::CreateImplicit( | |||
3971 | Context, {}, AttributeCommonInfo::AS_Keyword, | |||
3972 | AlwaysInlineAttr::Keyword_forceinline)); | |||
3973 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
3974 | std::make_pair(StringRef(), QualType()), | |||
3975 | /*OpenMPCaptureLevel=*/1); | |||
3976 | break; | |||
3977 | } | |||
3978 | case OMPD_atomic: | |||
3979 | case OMPD_critical: | |||
3980 | case OMPD_section: | |||
3981 | case OMPD_master: | |||
3982 | case OMPD_masked: | |||
3983 | case OMPD_tile: | |||
3984 | case OMPD_unroll: | |||
3985 | break; | |||
3986 | case OMPD_simd: | |||
3987 | case OMPD_for: | |||
3988 | case OMPD_for_simd: | |||
3989 | case OMPD_sections: | |||
3990 | case OMPD_single: | |||
3991 | case OMPD_taskgroup: | |||
3992 | case OMPD_distribute: | |||
3993 | case OMPD_distribute_simd: | |||
3994 | case OMPD_ordered: | |||
3995 | case OMPD_target_data: | |||
3996 | case OMPD_dispatch: { | |||
3997 | Sema::CapturedParamNameType Params[] = { | |||
3998 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
3999 | }; | |||
4000 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
4001 | Params); | |||
4002 | break; | |||
4003 | } | |||
4004 | case OMPD_task: { | |||
4005 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | |||
4006 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | |||
4007 | QualType KmpInt32PtrTy = | |||
4008 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | |||
4009 | QualType Args[] = {VoidPtrTy}; | |||
4010 | FunctionProtoType::ExtProtoInfo EPI; | |||
4011 | EPI.Variadic = true; | |||
4012 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | |||
4013 | Sema::CapturedParamNameType Params[] = { | |||
4014 | std::make_pair(".global_tid.", KmpInt32Ty), | |||
4015 | std::make_pair(".part_id.", KmpInt32PtrTy), | |||
4016 | std::make_pair(".privates.", VoidPtrTy), | |||
4017 | std::make_pair( | |||
4018 | ".copy_fn.", | |||
4019 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | |||
4020 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | |||
4021 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
4022 | }; | |||
4023 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
4024 | Params); | |||
4025 | // Mark this captured region as inlined, because we don't use outlined | |||
4026 | // function directly. | |||
4027 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | |||
4028 | AlwaysInlineAttr::CreateImplicit( | |||
4029 | Context, {}, AttributeCommonInfo::AS_Keyword, | |||
4030 | AlwaysInlineAttr::Keyword_forceinline)); | |||
4031 | break; | |||
4032 | } | |||
4033 | case OMPD_taskloop: | |||
4034 | case OMPD_taskloop_simd: | |||
4035 | case OMPD_master_taskloop: | |||
4036 | case OMPD_master_taskloop_simd: { | |||
4037 | QualType KmpInt32Ty = | |||
4038 | Context.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/1) | |||
4039 | .withConst(); | |||
4040 | QualType KmpUInt64Ty = | |||
4041 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0) | |||
4042 | .withConst(); | |||
4043 | QualType KmpInt64Ty = | |||
4044 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1) | |||
4045 | .withConst(); | |||
4046 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | |||
4047 | QualType KmpInt32PtrTy = | |||
4048 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | |||
4049 | QualType Args[] = {VoidPtrTy}; | |||
4050 | FunctionProtoType::ExtProtoInfo EPI; | |||
4051 | EPI.Variadic = true; | |||
4052 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | |||
4053 | Sema::CapturedParamNameType Params[] = { | |||
4054 | std::make_pair(".global_tid.", KmpInt32Ty), | |||
4055 | std::make_pair(".part_id.", KmpInt32PtrTy), | |||
4056 | std::make_pair(".privates.", VoidPtrTy), | |||
4057 | std::make_pair( | |||
4058 | ".copy_fn.", | |||
4059 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | |||
4060 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | |||
4061 | std::make_pair(".lb.", KmpUInt64Ty), | |||
4062 | std::make_pair(".ub.", KmpUInt64Ty), | |||
4063 | std::make_pair(".st.", KmpInt64Ty), | |||
4064 | std::make_pair(".liter.", KmpInt32Ty), | |||
4065 | std::make_pair(".reductions.", VoidPtrTy), | |||
4066 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
4067 | }; | |||
4068 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
4069 | Params); | |||
4070 | // Mark this captured region as inlined, because we don't use outlined | |||
4071 | // function directly. | |||
4072 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | |||
4073 | AlwaysInlineAttr::CreateImplicit( | |||
4074 | Context, {}, AttributeCommonInfo::AS_Keyword, | |||
4075 | AlwaysInlineAttr::Keyword_forceinline)); | |||
4076 | break; | |||
4077 | } | |||
4078 | case OMPD_parallel_master_taskloop: | |||
4079 | case OMPD_parallel_master_taskloop_simd: { | |||
4080 | QualType KmpInt32Ty = | |||
4081 | Context.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/1) | |||
4082 | .withConst(); | |||
4083 | QualType KmpUInt64Ty = | |||
4084 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0) | |||
4085 | .withConst(); | |||
4086 | QualType KmpInt64Ty = | |||
4087 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1) | |||
4088 | .withConst(); | |||
4089 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | |||
4090 | QualType KmpInt32PtrTy = | |||
4091 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | |||
4092 | Sema::CapturedParamNameType ParamsParallel[] = { | |||
4093 | std::make_pair(".global_tid.", KmpInt32PtrTy), | |||
4094 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | |||
4095 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
4096 | }; | |||
4097 | // Start a captured region for 'parallel'. | |||
4098 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
4099 | ParamsParallel, /*OpenMPCaptureLevel=*/0); | |||
4100 | QualType Args[] = {VoidPtrTy}; | |||
4101 | FunctionProtoType::ExtProtoInfo EPI; | |||
4102 | EPI.Variadic = true; | |||
4103 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | |||
4104 | Sema::CapturedParamNameType Params[] = { | |||
4105 | std::make_pair(".global_tid.", KmpInt32Ty), | |||
4106 | std::make_pair(".part_id.", KmpInt32PtrTy), | |||
4107 | std::make_pair(".privates.", VoidPtrTy), | |||
4108 | std::make_pair( | |||
4109 | ".copy_fn.", | |||
4110 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | |||
4111 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | |||
4112 | std::make_pair(".lb.", KmpUInt64Ty), | |||
4113 | std::make_pair(".ub.", KmpUInt64Ty), | |||
4114 | std::make_pair(".st.", KmpInt64Ty), | |||
4115 | std::make_pair(".liter.", KmpInt32Ty), | |||
4116 | std::make_pair(".reductions.", VoidPtrTy), | |||
4117 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
4118 | }; | |||
4119 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
4120 | Params, /*OpenMPCaptureLevel=*/1); | |||
4121 | // Mark this captured region as inlined, because we don't use outlined | |||
4122 | // function directly. | |||
4123 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | |||
4124 | AlwaysInlineAttr::CreateImplicit( | |||
4125 | Context, {}, AttributeCommonInfo::AS_Keyword, | |||
4126 | AlwaysInlineAttr::Keyword_forceinline)); | |||
4127 | break; | |||
4128 | } | |||
4129 | case OMPD_distribute_parallel_for_simd: | |||
4130 | case OMPD_distribute_parallel_for: { | |||
4131 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | |||
4132 | QualType KmpInt32PtrTy = | |||
4133 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | |||
4134 | Sema::CapturedParamNameType Params[] = { | |||
4135 | std::make_pair(".global_tid.", KmpInt32PtrTy), | |||
4136 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | |||
4137 | std::make_pair(".previous.lb.", Context.getSizeType().withConst()), | |||
4138 | std::make_pair(".previous.ub.", Context.getSizeType().withConst()), | |||
4139 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
4140 | }; | |||
4141 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
4142 | Params); | |||
4143 | break; | |||
4144 | } | |||
4145 | case OMPD_target_teams_distribute_parallel_for: | |||
4146 | case OMPD_target_teams_distribute_parallel_for_simd: { | |||
4147 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | |||
4148 | QualType KmpInt32PtrTy = | |||
4149 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | |||
4150 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | |||
4151 | ||||
4152 | QualType Args[] = {VoidPtrTy}; | |||
4153 | FunctionProtoType::ExtProtoInfo EPI; | |||
4154 | EPI.Variadic = true; | |||
4155 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | |||
4156 | Sema::CapturedParamNameType Params[] = { | |||
4157 | std::make_pair(".global_tid.", KmpInt32Ty), | |||
4158 | std::make_pair(".part_id.", KmpInt32PtrTy), | |||
4159 | std::make_pair(".privates.", VoidPtrTy), | |||
4160 | std::make_pair( | |||
4161 | ".copy_fn.", | |||
4162 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | |||
4163 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | |||
4164 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
4165 | }; | |||
4166 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
4167 | Params, /*OpenMPCaptureLevel=*/0); | |||
4168 | // Mark this captured region as inlined, because we don't use outlined | |||
4169 | // function directly. | |||
4170 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | |||
4171 | AlwaysInlineAttr::CreateImplicit( | |||
4172 | Context, {}, AttributeCommonInfo::AS_Keyword, | |||
4173 | AlwaysInlineAttr::Keyword_forceinline)); | |||
4174 | Sema::CapturedParamNameType ParamsTarget[] = { | |||
4175 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
4176 | }; | |||
4177 | // Start a captured region for 'target' with no implicit parameters. | |||
4178 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
4179 | ParamsTarget, /*OpenMPCaptureLevel=*/1); | |||
4180 | ||||
4181 | Sema::CapturedParamNameType ParamsTeams[] = { | |||
4182 | std::make_pair(".global_tid.", KmpInt32PtrTy), | |||
4183 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | |||
4184 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
4185 | }; | |||
4186 | // Start a captured region for 'target' with no implicit parameters. | |||
4187 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
4188 | ParamsTeams, /*OpenMPCaptureLevel=*/2); | |||
4189 | ||||
4190 | Sema::CapturedParamNameType ParamsParallel[] = { | |||
4191 | std::make_pair(".global_tid.", KmpInt32PtrTy), | |||
4192 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | |||
4193 | std::make_pair(".previous.lb.", Context.getSizeType().withConst()), | |||
4194 | std::make_pair(".previous.ub.", Context.getSizeType().withConst()), | |||
4195 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
4196 | }; | |||
4197 | // Start a captured region for 'teams' or 'parallel'. Both regions have | |||
4198 | // the same implicit parameters. | |||
4199 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
4200 | ParamsParallel, /*OpenMPCaptureLevel=*/3); | |||
4201 | break; | |||
4202 | } | |||
4203 | ||||
4204 | case OMPD_teams_distribute_parallel_for: | |||
4205 | case OMPD_teams_distribute_parallel_for_simd: { | |||
4206 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | |||
4207 | QualType KmpInt32PtrTy = | |||
4208 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | |||
4209 | ||||
4210 | Sema::CapturedParamNameType ParamsTeams[] = { | |||
4211 | std::make_pair(".global_tid.", KmpInt32PtrTy), | |||
4212 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | |||
4213 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
4214 | }; | |||
4215 | // Start a captured region for 'target' with no implicit parameters. | |||
4216 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
4217 | ParamsTeams, /*OpenMPCaptureLevel=*/0); | |||
4218 | ||||
4219 | Sema::CapturedParamNameType ParamsParallel[] = { | |||
4220 | std::make_pair(".global_tid.", KmpInt32PtrTy), | |||
4221 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | |||
4222 | std::make_pair(".previous.lb.", Context.getSizeType().withConst()), | |||
4223 | std::make_pair(".previous.ub.", Context.getSizeType().withConst()), | |||
4224 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
4225 | }; | |||
4226 | // Start a captured region for 'teams' or 'parallel'. Both regions have | |||
4227 | // the same implicit parameters. | |||
4228 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
4229 | ParamsParallel, /*OpenMPCaptureLevel=*/1); | |||
4230 | break; | |||
4231 | } | |||
4232 | case OMPD_target_update: | |||
4233 | case OMPD_target_enter_data: | |||
4234 | case OMPD_target_exit_data: { | |||
4235 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | |||
4236 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | |||
4237 | QualType KmpInt32PtrTy = | |||
4238 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | |||
4239 | QualType Args[] = {VoidPtrTy}; | |||
4240 | FunctionProtoType::ExtProtoInfo EPI; | |||
4241 | EPI.Variadic = true; | |||
4242 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | |||
4243 | Sema::CapturedParamNameType Params[] = { | |||
4244 | std::make_pair(".global_tid.", KmpInt32Ty), | |||
4245 | std::make_pair(".part_id.", KmpInt32PtrTy), | |||
4246 | std::make_pair(".privates.", VoidPtrTy), | |||
4247 | std::make_pair( | |||
4248 | ".copy_fn.", | |||
4249 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | |||
4250 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | |||
4251 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
4252 | }; | |||
4253 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
4254 | Params); | |||
4255 | // Mark this captured region as inlined, because we don't use outlined | |||
4256 | // function directly. | |||
4257 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | |||
4258 | AlwaysInlineAttr::CreateImplicit( | |||
4259 | Context, {}, AttributeCommonInfo::AS_Keyword, | |||
4260 | AlwaysInlineAttr::Keyword_forceinline)); | |||
4261 | break; | |||
4262 | } | |||
4263 | case OMPD_threadprivate: | |||
4264 | case OMPD_allocate: | |||
4265 | case OMPD_taskyield: | |||
4266 | case OMPD_barrier: | |||
4267 | case OMPD_taskwait: | |||
4268 | case OMPD_cancellation_point: | |||
4269 | case OMPD_cancel: | |||
4270 | case OMPD_flush: | |||
4271 | case OMPD_depobj: | |||
4272 | case OMPD_scan: | |||
4273 | case OMPD_declare_reduction: | |||
4274 | case OMPD_declare_mapper: | |||
4275 | case OMPD_declare_simd: | |||
4276 | case OMPD_declare_target: | |||
4277 | case OMPD_end_declare_target: | |||
4278 | case OMPD_requires: | |||
4279 | case OMPD_declare_variant: | |||
4280 | case OMPD_begin_declare_variant: | |||
4281 | case OMPD_end_declare_variant: | |||
4282 | llvm_unreachable("OpenMP Directive is not allowed")__builtin_unreachable(); | |||
4283 | case OMPD_unknown: | |||
4284 | default: | |||
4285 | llvm_unreachable("Unknown OpenMP directive")__builtin_unreachable(); | |||
4286 | } | |||
4287 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setContext(CurContext); | |||
4288 | } | |||
4289 | ||||
4290 | int Sema::getNumberOfConstructScopes(unsigned Level) const { | |||
4291 | return getOpenMPCaptureLevels(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level)); | |||
4292 | } | |||
4293 | ||||
4294 | int Sema::getOpenMPCaptureLevels(OpenMPDirectiveKind DKind) { | |||
4295 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | |||
4296 | getOpenMPCaptureRegions(CaptureRegions, DKind); | |||
4297 | return CaptureRegions.size(); | |||
4298 | } | |||
4299 | ||||
4300 | static OMPCapturedExprDecl *buildCaptureDecl(Sema &S, IdentifierInfo *Id, | |||
4301 | Expr *CaptureExpr, bool WithInit, | |||
4302 | bool AsExpression) { | |||
4303 | assert(CaptureExpr)((void)0); | |||
4304 | ASTContext &C = S.getASTContext(); | |||
4305 | Expr *Init = AsExpression ? CaptureExpr : CaptureExpr->IgnoreImpCasts(); | |||
4306 | QualType Ty = Init->getType(); | |||
4307 | if (CaptureExpr->getObjectKind() == OK_Ordinary && CaptureExpr->isGLValue()) { | |||
4308 | if (S.getLangOpts().CPlusPlus) { | |||
4309 | Ty = C.getLValueReferenceType(Ty); | |||
4310 | } else { | |||
4311 | Ty = C.getPointerType(Ty); | |||
4312 | ExprResult Res = | |||
4313 | S.CreateBuiltinUnaryOp(CaptureExpr->getExprLoc(), UO_AddrOf, Init); | |||
4314 | if (!Res.isUsable()) | |||
4315 | return nullptr; | |||
4316 | Init = Res.get(); | |||
4317 | } | |||
4318 | WithInit = true; | |||
4319 | } | |||
4320 | auto *CED = OMPCapturedExprDecl::Create(C, S.CurContext, Id, Ty, | |||
4321 | CaptureExpr->getBeginLoc()); | |||
4322 | if (!WithInit) | |||
4323 | CED->addAttr(OMPCaptureNoInitAttr::CreateImplicit(C)); | |||
4324 | S.CurContext->addHiddenDecl(CED); | |||
4325 | Sema::TentativeAnalysisScope Trap(S); | |||
4326 | S.AddInitializerToDecl(CED, Init, /*DirectInit=*/false); | |||
4327 | return CED; | |||
4328 | } | |||
4329 | ||||
4330 | static DeclRefExpr *buildCapture(Sema &S, ValueDecl *D, Expr *CaptureExpr, | |||
4331 | bool WithInit) { | |||
4332 | OMPCapturedExprDecl *CD; | |||
4333 | if (VarDecl *VD = S.isOpenMPCapturedDecl(D)) | |||
4334 | CD = cast<OMPCapturedExprDecl>(VD); | |||
4335 | else | |||
4336 | CD = buildCaptureDecl(S, D->getIdentifier(), CaptureExpr, WithInit, | |||
4337 | /*AsExpression=*/false); | |||
4338 | return buildDeclRefExpr(S, CD, CD->getType().getNonReferenceType(), | |||
4339 | CaptureExpr->getExprLoc()); | |||
4340 | } | |||
4341 | ||||
4342 | static ExprResult buildCapture(Sema &S, Expr *CaptureExpr, DeclRefExpr *&Ref) { | |||
4343 | CaptureExpr = S.DefaultLvalueConversion(CaptureExpr).get(); | |||
4344 | if (!Ref) { | |||
4345 | OMPCapturedExprDecl *CD = buildCaptureDecl( | |||
4346 | S, &S.getASTContext().Idents.get(".capture_expr."), CaptureExpr, | |||
4347 | /*WithInit=*/true, /*AsExpression=*/true); | |||
4348 | Ref = buildDeclRefExpr(S, CD, CD->getType().getNonReferenceType(), | |||
4349 | CaptureExpr->getExprLoc()); | |||
4350 | } | |||
4351 | ExprResult Res = Ref; | |||
4352 | if (!S.getLangOpts().CPlusPlus && | |||
4353 | CaptureExpr->getObjectKind() == OK_Ordinary && CaptureExpr->isGLValue() && | |||
4354 | Ref->getType()->isPointerType()) { | |||
4355 | Res = S.CreateBuiltinUnaryOp(CaptureExpr->getExprLoc(), UO_Deref, Ref); | |||
4356 | if (!Res.isUsable()) | |||
4357 | return ExprError(); | |||
4358 | } | |||
4359 | return S.DefaultLvalueConversion(Res.get()); | |||
4360 | } | |||
4361 | ||||
4362 | namespace { | |||
4363 | // OpenMP directives parsed in this section are represented as a | |||
4364 | // CapturedStatement with an associated statement. If a syntax error | |||
4365 | // is detected during the parsing of the associated statement, the | |||
4366 | // compiler must abort processing and close the CapturedStatement. | |||
4367 | // | |||
4368 | // Combined directives such as 'target parallel' have more than one | |||
4369 | // nested CapturedStatements. This RAII ensures that we unwind out | |||
4370 | // of all the nested CapturedStatements when an error is found. | |||
4371 | class CaptureRegionUnwinderRAII { | |||
4372 | private: | |||
4373 | Sema &S; | |||
4374 | bool &ErrorFound; | |||
4375 | OpenMPDirectiveKind DKind = OMPD_unknown; | |||
4376 | ||||
4377 | public: | |||
4378 | CaptureRegionUnwinderRAII(Sema &S, bool &ErrorFound, | |||
4379 | OpenMPDirectiveKind DKind) | |||
4380 | : S(S), ErrorFound(ErrorFound), DKind(DKind) {} | |||
4381 | ~CaptureRegionUnwinderRAII() { | |||
4382 | if (ErrorFound) { | |||
4383 | int ThisCaptureLevel = S.getOpenMPCaptureLevels(DKind); | |||
4384 | while (--ThisCaptureLevel >= 0) | |||
4385 | S.ActOnCapturedRegionError(); | |||
4386 | } | |||
4387 | } | |||
4388 | }; | |||
4389 | } // namespace | |||
4390 | ||||
4391 | void Sema::tryCaptureOpenMPLambdas(ValueDecl *V) { | |||
4392 | // Capture variables captured by reference in lambdas for target-based | |||
4393 | // directives. | |||
4394 | if (!CurContext->isDependentContext() && | |||
4395 | (isOpenMPTargetExecutionDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) || | |||
4396 | isOpenMPTargetDataManagementDirective( | |||
4397 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()))) { | |||
4398 | QualType Type = V->getType(); | |||
4399 | if (const auto *RD = Type.getCanonicalType() | |||
4400 | .getNonReferenceType() | |||
4401 | ->getAsCXXRecordDecl()) { | |||
4402 | bool SavedForceCaptureByReferenceInTargetExecutable = | |||
4403 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceCaptureByReferenceInTargetExecutable(); | |||
4404 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceCaptureByReferenceInTargetExecutable( | |||
4405 | /*V=*/true); | |||
4406 | if (RD->isLambda()) { | |||
4407 | llvm::DenseMap<const VarDecl *, FieldDecl *> Captures; | |||
4408 | FieldDecl *ThisCapture; | |||
4409 | RD->getCaptureFields(Captures, ThisCapture); | |||
4410 | for (const LambdaCapture &LC : RD->captures()) { | |||
4411 | if (LC.getCaptureKind() == LCK_ByRef) { | |||
4412 | VarDecl *VD = LC.getCapturedVar(); | |||
4413 | DeclContext *VDC = VD->getDeclContext(); | |||
4414 | if (!VDC->Encloses(CurContext)) | |||
4415 | continue; | |||
4416 | MarkVariableReferenced(LC.getLocation(), VD); | |||
4417 | } else if (LC.getCaptureKind() == LCK_This) { | |||
4418 | QualType ThisTy = getCurrentThisType(); | |||
4419 | if (!ThisTy.isNull() && | |||
4420 | Context.typesAreCompatible(ThisTy, ThisCapture->getType())) | |||
4421 | CheckCXXThisCapture(LC.getLocation()); | |||
4422 | } | |||
4423 | } | |||
4424 | } | |||
4425 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceCaptureByReferenceInTargetExecutable( | |||
4426 | SavedForceCaptureByReferenceInTargetExecutable); | |||
4427 | } | |||
4428 | } | |||
4429 | } | |||
4430 | ||||
4431 | static bool checkOrderedOrderSpecified(Sema &S, | |||
4432 | const ArrayRef<OMPClause *> Clauses) { | |||
4433 | const OMPOrderedClause *Ordered = nullptr; | |||
4434 | const OMPOrderClause *Order = nullptr; | |||
4435 | ||||
4436 | for (const OMPClause *Clause : Clauses) { | |||
4437 | if (Clause->getClauseKind() == OMPC_ordered) | |||
4438 | Ordered = cast<OMPOrderedClause>(Clause); | |||
4439 | else if (Clause->getClauseKind() == OMPC_order) { | |||
4440 | Order = cast<OMPOrderClause>(Clause); | |||
4441 | if (Order->getKind() != OMPC_ORDER_concurrent) | |||
4442 | Order = nullptr; | |||
4443 | } | |||
4444 | if (Ordered && Order) | |||
4445 | break; | |||
4446 | } | |||
4447 | ||||
4448 | if (Ordered && Order) { | |||
4449 | S.Diag(Order->getKindKwLoc(), | |||
4450 | diag::err_omp_simple_clause_incompatible_with_ordered) | |||
4451 | << getOpenMPClauseName(OMPC_order) | |||
4452 | << getOpenMPSimpleClauseTypeName(OMPC_order, OMPC_ORDER_concurrent) | |||
4453 | << SourceRange(Order->getBeginLoc(), Order->getEndLoc()); | |||
4454 | S.Diag(Ordered->getBeginLoc(), diag::note_omp_ordered_param) | |||
4455 | << 0 << SourceRange(Ordered->getBeginLoc(), Ordered->getEndLoc()); | |||
4456 | return true; | |||
4457 | } | |||
4458 | return false; | |||
4459 | } | |||
4460 | ||||
4461 | StmtResult Sema::ActOnOpenMPRegionEnd(StmtResult S, | |||
4462 | ArrayRef<OMPClause *> Clauses) { | |||
4463 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_atomic || | |||
4464 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_critical || | |||
4465 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_section || | |||
4466 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_master || | |||
4467 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_masked) | |||
4468 | return S; | |||
4469 | ||||
4470 | bool ErrorFound = false; | |||
4471 | CaptureRegionUnwinderRAII CaptureRegionUnwinder( | |||
4472 | *this, ErrorFound, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | |||
4473 | if (!S.isUsable()) { | |||
4474 | ErrorFound = true; | |||
4475 | return StmtError(); | |||
4476 | } | |||
4477 | ||||
4478 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | |||
4479 | getOpenMPCaptureRegions(CaptureRegions, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | |||
4480 | OMPOrderedClause *OC = nullptr; | |||
4481 | OMPScheduleClause *SC = nullptr; | |||
4482 | SmallVector<const OMPLinearClause *, 4> LCs; | |||
4483 | SmallVector<const OMPClauseWithPreInit *, 4> PICs; | |||
4484 | // This is required for proper codegen. | |||
4485 | for (OMPClause *Clause : Clauses) { | |||
4486 | if (!LangOpts.OpenMPSimd && | |||
4487 | isOpenMPTaskingDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && | |||
4488 | Clause->getClauseKind() == OMPC_in_reduction) { | |||
4489 | // Capture taskgroup task_reduction descriptors inside the tasking regions | |||
4490 | // with the corresponding in_reduction items. | |||
4491 | auto *IRC = cast<OMPInReductionClause>(Clause); | |||
4492 | for (Expr *E : IRC->taskgroup_descriptors()) | |||
4493 | if (E) | |||
4494 | MarkDeclarationsReferencedInExpr(E); | |||
4495 | } | |||
4496 | if (isOpenMPPrivate(Clause->getClauseKind()) || | |||
4497 | Clause->getClauseKind() == OMPC_copyprivate || | |||
4498 | (getLangOpts().OpenMPUseTLS && | |||
4499 | getASTContext().getTargetInfo().isTLSSupported() && | |||
4500 | Clause->getClauseKind() == OMPC_copyin)) { | |||
4501 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceVarCapturing(Clause->getClauseKind() == OMPC_copyin); | |||
4502 | // Mark all variables in private list clauses as used in inner region. | |||
4503 | for (Stmt *VarRef : Clause->children()) { | |||
4504 | if (auto *E = cast_or_null<Expr>(VarRef)) { | |||
4505 | MarkDeclarationsReferencedInExpr(E); | |||
4506 | } | |||
4507 | } | |||
4508 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceVarCapturing(/*V=*/false); | |||
4509 | } else if (isOpenMPLoopTransformationDirective( | |||
4510 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { | |||
4511 | assert(CaptureRegions.empty() &&((void)0) | |||
4512 | "No captured regions in loop transformation directives.")((void)0); | |||
4513 | } else if (CaptureRegions.size() > 1 || | |||
4514 | CaptureRegions.back() != OMPD_unknown) { | |||
4515 | if (auto *C = OMPClauseWithPreInit::get(Clause)) | |||
4516 | PICs.push_back(C); | |||
4517 | if (auto *C = OMPClauseWithPostUpdate::get(Clause)) { | |||
4518 | if (Expr *E = C->getPostUpdateExpr()) | |||
4519 | MarkDeclarationsReferencedInExpr(E); | |||
4520 | } | |||
4521 | } | |||
4522 | if (Clause->getClauseKind() == OMPC_schedule) | |||
4523 | SC = cast<OMPScheduleClause>(Clause); | |||
4524 | else if (Clause->getClauseKind() == OMPC_ordered) | |||
4525 | OC = cast<OMPOrderedClause>(Clause); | |||
4526 | else if (Clause->getClauseKind() == OMPC_linear) | |||
4527 | LCs.push_back(cast<OMPLinearClause>(Clause)); | |||
4528 | } | |||
4529 | // Capture allocator expressions if used. | |||
4530 | for (Expr *E : DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getInnerAllocators()) | |||
4531 | MarkDeclarationsReferencedInExpr(E); | |||
4532 | // OpenMP, 2.7.1 Loop Construct, Restrictions | |||
4533 | // The nonmonotonic modifier cannot be specified if an ordered clause is | |||
4534 | // specified. | |||
4535 | if (SC && | |||
4536 | (SC->getFirstScheduleModifier() == OMPC_SCHEDULE_MODIFIER_nonmonotonic || | |||
4537 | SC->getSecondScheduleModifier() == | |||
4538 | OMPC_SCHEDULE_MODIFIER_nonmonotonic) && | |||
4539 | OC) { | |||
4540 | Diag(SC->getFirstScheduleModifier() == OMPC_SCHEDULE_MODIFIER_nonmonotonic | |||
4541 | ? SC->getFirstScheduleModifierLoc() | |||
4542 | : SC->getSecondScheduleModifierLoc(), | |||
4543 | diag::err_omp_simple_clause_incompatible_with_ordered) | |||
4544 | << getOpenMPClauseName(OMPC_schedule) | |||
4545 | << getOpenMPSimpleClauseTypeName(OMPC_schedule, | |||
4546 | OMPC_SCHEDULE_MODIFIER_nonmonotonic) | |||
4547 | << SourceRange(OC->getBeginLoc(), OC->getEndLoc()); | |||
4548 | ErrorFound = true; | |||
4549 | } | |||
4550 | // OpenMP 5.0, 2.9.2 Worksharing-Loop Construct, Restrictions. | |||
4551 | // If an order(concurrent) clause is present, an ordered clause may not appear | |||
4552 | // on the same directive. | |||
4553 | if (checkOrderedOrderSpecified(*this, Clauses)) | |||
4554 | ErrorFound = true; | |||
4555 | if (!LCs.empty() && OC && OC->getNumForLoops()) { | |||
4556 | for (const OMPLinearClause *C : LCs) { | |||
4557 | Diag(C->getBeginLoc(), diag::err_omp_linear_ordered) | |||
4558 | << SourceRange(OC->getBeginLoc(), OC->getEndLoc()); | |||
4559 | } | |||
4560 | ErrorFound = true; | |||
4561 | } | |||
4562 | if (isOpenMPWorksharingDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && | |||
4563 | isOpenMPSimdDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && OC && | |||
4564 | OC->getNumForLoops()) { | |||
4565 | Diag(OC->getBeginLoc(), diag::err_omp_ordered_simd) | |||
4566 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | |||
4567 | ErrorFound = true; | |||
4568 | } | |||
4569 | if (ErrorFound) { | |||
4570 | return StmtError(); | |||
4571 | } | |||
4572 | StmtResult SR = S; | |||
4573 | unsigned CompletedRegions = 0; | |||
4574 | for (OpenMPDirectiveKind ThisCaptureRegion : llvm::reverse(CaptureRegions)) { | |||
4575 | // Mark all variables in private list clauses as used in inner region. | |||
4576 | // Required for proper codegen of combined directives. | |||
4577 | // TODO: add processing for other clauses. | |||
4578 | if (ThisCaptureRegion != OMPD_unknown) { | |||
4579 | for (const clang::OMPClauseWithPreInit *C : PICs) { | |||
4580 | OpenMPDirectiveKind CaptureRegion = C->getCaptureRegion(); | |||
4581 | // Find the particular capture region for the clause if the | |||
4582 | // directive is a combined one with multiple capture regions. | |||
4583 | // If the directive is not a combined one, the capture region | |||
4584 | // associated with the clause is OMPD_unknown and is generated | |||
4585 | // only once. | |||
4586 | if (CaptureRegion == ThisCaptureRegion || | |||
4587 | CaptureRegion == OMPD_unknown) { | |||
4588 | if (auto *DS = cast_or_null<DeclStmt>(C->getPreInitStmt())) { | |||
4589 | for (Decl *D : DS->decls()) | |||
4590 | MarkVariableReferenced(D->getLocation(), cast<VarDecl>(D)); | |||
4591 | } | |||
4592 | } | |||
4593 | } | |||
4594 | } | |||
4595 | if (ThisCaptureRegion == OMPD_target) { | |||
4596 | // Capture allocator traits in the target region. They are used implicitly | |||
4597 | // and, thus, are not captured by default. | |||
4598 | for (OMPClause *C : Clauses) { | |||
4599 | if (const auto *UAC = dyn_cast<OMPUsesAllocatorsClause>(C)) { | |||
4600 | for (unsigned I = 0, End = UAC->getNumberOfAllocators(); I < End; | |||
4601 | ++I) { | |||
4602 | OMPUsesAllocatorsClause::Data D = UAC->getAllocatorData(I); | |||
4603 | if (Expr *E = D.AllocatorTraits) | |||
4604 | MarkDeclarationsReferencedInExpr(E); | |||
4605 | } | |||
4606 | continue; | |||
4607 | } | |||
4608 | } | |||
4609 | } | |||
4610 | if (ThisCaptureRegion == OMPD_parallel) { | |||
4611 | // Capture temp arrays for inscan reductions and locals in aligned | |||
4612 | // clauses. | |||
4613 | for (OMPClause *C : Clauses) { | |||
4614 | if (auto *RC = dyn_cast<OMPReductionClause>(C)) { | |||
4615 | if (RC->getModifier() != OMPC_REDUCTION_inscan) | |||
4616 | continue; | |||
4617 | for (Expr *E : RC->copy_array_temps()) | |||
4618 | MarkDeclarationsReferencedInExpr(E); | |||
4619 | } | |||
4620 | if (auto *AC = dyn_cast<OMPAlignedClause>(C)) { | |||
4621 | for (Expr *E : AC->varlists()) | |||
4622 | MarkDeclarationsReferencedInExpr(E); | |||
4623 | } | |||
4624 | } | |||
4625 | } | |||
4626 | if (++CompletedRegions == CaptureRegions.size()) | |||
4627 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setBodyComplete(); | |||
4628 | SR = ActOnCapturedRegionEnd(SR.get()); | |||
4629 | } | |||
4630 | return SR; | |||
4631 | } | |||
4632 | ||||
4633 | static bool checkCancelRegion(Sema &SemaRef, OpenMPDirectiveKind CurrentRegion, | |||
4634 | OpenMPDirectiveKind CancelRegion, | |||
4635 | SourceLocation StartLoc) { | |||
4636 | // CancelRegion is only needed for cancel and cancellation_point. | |||
4637 | if (CurrentRegion != OMPD_cancel && CurrentRegion != OMPD_cancellation_point) | |||
4638 | return false; | |||
4639 | ||||
4640 | if (CancelRegion == OMPD_parallel || CancelRegion == OMPD_for || | |||
4641 | CancelRegion == OMPD_sections || CancelRegion == OMPD_taskgroup) | |||
4642 | return false; | |||
4643 | ||||
4644 | SemaRef.Diag(StartLoc, diag::err_omp_wrong_cancel_region) | |||
4645 | << getOpenMPDirectiveName(CancelRegion); | |||
4646 | return true; | |||
4647 | } | |||
4648 | ||||
4649 | static bool checkNestingOfRegions(Sema &SemaRef, const DSAStackTy *Stack, | |||
4650 | OpenMPDirectiveKind CurrentRegion, | |||
4651 | const DeclarationNameInfo &CurrentName, | |||
4652 | OpenMPDirectiveKind CancelRegion, | |||
4653 | SourceLocation StartLoc) { | |||
4654 | if (Stack->getCurScope()) { | |||
4655 | OpenMPDirectiveKind ParentRegion = Stack->getParentDirective(); | |||
4656 | OpenMPDirectiveKind OffendingRegion = ParentRegion; | |||
4657 | bool NestingProhibited = false; | |||
4658 | bool CloseNesting = true; | |||
4659 | bool OrphanSeen = false; | |||
4660 | enum { | |||
4661 | NoRecommend, | |||
4662 | ShouldBeInParallelRegion, | |||
4663 | ShouldBeInOrderedRegion, | |||
4664 | ShouldBeInTargetRegion, | |||
4665 | ShouldBeInTeamsRegion, | |||
4666 | ShouldBeInLoopSimdRegion, | |||
4667 | } Recommend = NoRecommend; | |||
4668 | if (isOpenMPSimdDirective(ParentRegion) && | |||
4669 | ((SemaRef.LangOpts.OpenMP <= 45 && CurrentRegion != OMPD_ordered) || | |||
4670 | (SemaRef.LangOpts.OpenMP >= 50 && CurrentRegion != OMPD_ordered && | |||
4671 | CurrentRegion != OMPD_simd && CurrentRegion != OMPD_atomic && | |||
4672 | CurrentRegion != OMPD_scan))) { | |||
4673 | // OpenMP [2.16, Nesting of Regions] | |||
4674 | // OpenMP constructs may not be nested inside a simd region. | |||
4675 | // OpenMP [2.8.1,simd Construct, Restrictions] | |||
4676 | // An ordered construct with the simd clause is the only OpenMP | |||
4677 | // construct that can appear in the simd region. | |||
4678 | // Allowing a SIMD construct nested in another SIMD construct is an | |||
4679 | // extension. The OpenMP 4.5 spec does not allow it. Issue a warning | |||
4680 | // message. | |||
4681 | // OpenMP 5.0 [2.9.3.1, simd Construct, Restrictions] | |||
4682 | // The only OpenMP constructs that can be encountered during execution of | |||
4683 | // a simd region are the atomic construct, the loop construct, the simd | |||
4684 | // construct and the ordered construct with the simd clause. | |||
4685 | SemaRef.Diag(StartLoc, (CurrentRegion != OMPD_simd) | |||
4686 | ? diag::err_omp_prohibited_region_simd | |||
4687 | : diag::warn_omp_nesting_simd) | |||
4688 | << (SemaRef.LangOpts.OpenMP >= 50 ? 1 : 0); | |||
4689 | return CurrentRegion != OMPD_simd; | |||
4690 | } | |||
4691 | if (ParentRegion == OMPD_atomic) { | |||
4692 | // OpenMP [2.16, Nesting of Regions] | |||
4693 | // OpenMP constructs may not be nested inside an atomic region. | |||
4694 | SemaRef.Diag(StartLoc, diag::err_omp_prohibited_region_atomic); | |||
4695 | return true; | |||
4696 | } | |||
4697 | if (CurrentRegion == OMPD_section) { | |||
4698 | // OpenMP [2.7.2, sections Construct, Restrictions] | |||
4699 | // Orphaned section directives are prohibited. That is, the section | |||
4700 | // directives must appear within the sections construct and must not be | |||
4701 | // encountered elsewhere in the sections region. | |||
4702 | if (ParentRegion != OMPD_sections && | |||
4703 | ParentRegion != OMPD_parallel_sections) { | |||
4704 | SemaRef.Diag(StartLoc, diag::err_omp_orphaned_section_directive) | |||
4705 | << (ParentRegion != OMPD_unknown) | |||
4706 | << getOpenMPDirectiveName(ParentRegion); | |||
4707 | return true; | |||
4708 | } | |||
4709 | return false; | |||
4710 | } | |||
4711 | // Allow some constructs (except teams and cancellation constructs) to be | |||
4712 | // orphaned (they could be used in functions, called from OpenMP regions | |||
4713 | // with the required preconditions). | |||
4714 | if (ParentRegion == OMPD_unknown && | |||
4715 | !isOpenMPNestingTeamsDirective(CurrentRegion) && | |||
4716 | CurrentRegion != OMPD_cancellation_point && | |||
4717 | CurrentRegion != OMPD_cancel && CurrentRegion != OMPD_scan) | |||
4718 | return false; | |||
4719 | if (CurrentRegion == OMPD_cancellation_point || | |||
4720 | CurrentRegion == OMPD_cancel) { | |||
4721 | // OpenMP [2.16, Nesting of Regions] | |||
4722 | // A cancellation point construct for which construct-type-clause is | |||
4723 | // taskgroup must be nested inside a task construct. A cancellation | |||
4724 | // point construct for which construct-type-clause is not taskgroup must | |||
4725 | // be closely nested inside an OpenMP construct that matches the type | |||
4726 | // specified in construct-type-clause. | |||
4727 | // A cancel construct for which construct-type-clause is taskgroup must be | |||
4728 | // nested inside a task construct. A cancel construct for which | |||
4729 | // construct-type-clause is not taskgroup must be closely nested inside an | |||
4730 | // OpenMP construct that matches the type specified in | |||
4731 | // construct-type-clause. | |||
4732 | NestingProhibited = | |||
4733 | !((CancelRegion == OMPD_parallel && | |||
4734 | (ParentRegion == OMPD_parallel || | |||
4735 | ParentRegion == OMPD_target_parallel)) || | |||
4736 | (CancelRegion == OMPD_for && | |||
4737 | (ParentRegion == OMPD_for || ParentRegion == OMPD_parallel_for || | |||
4738 | ParentRegion == OMPD_target_parallel_for || | |||
4739 | ParentRegion == OMPD_distribute_parallel_for || | |||
4740 | ParentRegion == OMPD_teams_distribute_parallel_for || | |||
4741 | ParentRegion == OMPD_target_teams_distribute_parallel_for)) || | |||
4742 | (CancelRegion == OMPD_taskgroup && | |||
4743 | (ParentRegion == OMPD_task || | |||
4744 | (SemaRef.getLangOpts().OpenMP >= 50 && | |||
4745 | (ParentRegion == OMPD_taskloop || | |||
4746 | ParentRegion == OMPD_master_taskloop || | |||
4747 | ParentRegion == OMPD_parallel_master_taskloop)))) || | |||
4748 | (CancelRegion == OMPD_sections && | |||
4749 | (ParentRegion == OMPD_section || ParentRegion == OMPD_sections || | |||
4750 | ParentRegion == OMPD_parallel_sections))); | |||
4751 | OrphanSeen = ParentRegion == OMPD_unknown; | |||
4752 | } else if (CurrentRegion == OMPD_master || CurrentRegion == OMPD_masked) { | |||
4753 | // OpenMP 5.1 [2.22, Nesting of Regions] | |||
4754 | // A masked region may not be closely nested inside a worksharing, loop, | |||
4755 | // atomic, task, or taskloop region. | |||
4756 | NestingProhibited = isOpenMPWorksharingDirective(ParentRegion) || | |||
4757 | isOpenMPTaskingDirective(ParentRegion); | |||
4758 | } else if (CurrentRegion == OMPD_critical && CurrentName.getName()) { | |||
4759 | // OpenMP [2.16, Nesting of Regions] | |||
4760 | // A critical region may not be nested (closely or otherwise) inside a | |||
4761 | // critical region with the same name. Note that this restriction is not | |||
4762 | // sufficient to prevent deadlock. | |||
4763 | SourceLocation PreviousCriticalLoc; | |||
4764 | bool DeadLock = Stack->hasDirective( | |||
4765 | [CurrentName, &PreviousCriticalLoc](OpenMPDirectiveKind K, | |||
4766 | const DeclarationNameInfo &DNI, | |||
4767 | SourceLocation Loc) { | |||
4768 | if (K == OMPD_critical && DNI.getName() == CurrentName.getName()) { | |||
4769 | PreviousCriticalLoc = Loc; | |||
4770 | return true; | |||
4771 | } | |||
4772 | return false; | |||
4773 | }, | |||
4774 | false /* skip top directive */); | |||
4775 | if (DeadLock) { | |||
4776 | SemaRef.Diag(StartLoc, | |||
4777 | diag::err_omp_prohibited_region_critical_same_name) | |||
4778 | << CurrentName.getName(); | |||
4779 | if (PreviousCriticalLoc.isValid()) | |||
4780 | SemaRef.Diag(PreviousCriticalLoc, | |||
4781 | diag::note_omp_previous_critical_region); | |||
4782 | return true; | |||
4783 | } | |||
4784 | } else if (CurrentRegion == OMPD_barrier) { | |||
4785 | // OpenMP 5.1 [2.22, Nesting of Regions] | |||
4786 | // A barrier region may not be closely nested inside a worksharing, loop, | |||
4787 | // task, taskloop, critical, ordered, atomic, or masked region. | |||
4788 | NestingProhibited = | |||
4789 | isOpenMPWorksharingDirective(ParentRegion) || | |||
4790 | isOpenMPTaskingDirective(ParentRegion) || | |||
4791 | ParentRegion == OMPD_master || ParentRegion == OMPD_masked || | |||
4792 | ParentRegion == OMPD_parallel_master || | |||
4793 | ParentRegion == OMPD_critical || ParentRegion == OMPD_ordered; | |||
4794 | } else if (isOpenMPWorksharingDirective(CurrentRegion) && | |||
4795 | !isOpenMPParallelDirective(CurrentRegion) && | |||
4796 | !isOpenMPTeamsDirective(CurrentRegion)) { | |||
4797 | // OpenMP 5.1 [2.22, Nesting of Regions] | |||
4798 | // A loop region that binds to a parallel region or a worksharing region | |||
4799 | // may not be closely nested inside a worksharing, loop, task, taskloop, | |||
4800 | // critical, ordered, atomic, or masked region. | |||
4801 | NestingProhibited = | |||
4802 | isOpenMPWorksharingDirective(ParentRegion) || | |||
4803 | isOpenMPTaskingDirective(ParentRegion) || | |||
4804 | ParentRegion == OMPD_master || ParentRegion == OMPD_masked || | |||
4805 | ParentRegion == OMPD_parallel_master || | |||
4806 | ParentRegion == OMPD_critical || ParentRegion == OMPD_ordered; | |||
4807 | Recommend = ShouldBeInParallelRegion; | |||
4808 | } else if (CurrentRegion == OMPD_ordered) { | |||
4809 | // OpenMP [2.16, Nesting of Regions] | |||
4810 | // An ordered region may not be closely nested inside a critical, | |||
4811 | // atomic, or explicit task region. | |||
4812 | // An ordered region must be closely nested inside a loop region (or | |||
4813 | // parallel loop region) with an ordered clause. | |||
4814 | // OpenMP [2.8.1,simd Construct, Restrictions] | |||
4815 | // An ordered construct with the simd clause is the only OpenMP construct | |||
4816 | // that can appear in the simd region. | |||
4817 | NestingProhibited = ParentRegion == OMPD_critical || | |||
4818 | isOpenMPTaskingDirective(ParentRegion) || | |||
4819 | !(isOpenMPSimdDirective(ParentRegion) || | |||
4820 | Stack->isParentOrderedRegion()); | |||
4821 | Recommend = ShouldBeInOrderedRegion; | |||
4822 | } else if (isOpenMPNestingTeamsDirective(CurrentRegion)) { | |||
4823 | // OpenMP [2.16, Nesting of Regions] | |||
4824 | // If specified, a teams construct must be contained within a target | |||
4825 | // construct. | |||
4826 | NestingProhibited = | |||
4827 | (SemaRef.LangOpts.OpenMP <= 45 && ParentRegion != OMPD_target) || | |||
4828 | (SemaRef.LangOpts.OpenMP >= 50 && ParentRegion != OMPD_unknown && | |||
4829 | ParentRegion != OMPD_target); | |||
4830 | OrphanSeen = ParentRegion == OMPD_unknown; | |||
4831 | Recommend = ShouldBeInTargetRegion; | |||
4832 | } else if (CurrentRegion == OMPD_scan) { | |||
4833 | // OpenMP [2.16, Nesting of Regions] | |||
4834 | // If specified, a teams construct must be contained within a target | |||
4835 | // construct. | |||
4836 | NestingProhibited = | |||
4837 | SemaRef.LangOpts.OpenMP < 50 || | |||
4838 | (ParentRegion != OMPD_simd && ParentRegion != OMPD_for && | |||
4839 | ParentRegion != OMPD_for_simd && ParentRegion != OMPD_parallel_for && | |||
4840 | ParentRegion != OMPD_parallel_for_simd); | |||
4841 | OrphanSeen = ParentRegion == OMPD_unknown; | |||
4842 | Recommend = ShouldBeInLoopSimdRegion; | |||
4843 | } | |||
4844 | if (!NestingProhibited && | |||
4845 | !isOpenMPTargetExecutionDirective(CurrentRegion) && | |||
4846 | !isOpenMPTargetDataManagementDirective(CurrentRegion) && | |||
4847 | (ParentRegion == OMPD_teams || ParentRegion == OMPD_target_teams)) { | |||
4848 | // OpenMP [2.16, Nesting of Regions] | |||
4849 | // distribute, parallel, parallel sections, parallel workshare, and the | |||
4850 | // parallel loop and parallel loop SIMD constructs are the only OpenMP | |||
4851 | // constructs that can be closely nested in the teams region. | |||
4852 | NestingProhibited = !isOpenMPParallelDirective(CurrentRegion) && | |||
4853 | !isOpenMPDistributeDirective(CurrentRegion); | |||
4854 | Recommend = ShouldBeInParallelRegion; | |||
4855 | } | |||
4856 | if (!NestingProhibited && | |||
4857 | isOpenMPNestingDistributeDirective(CurrentRegion)) { | |||
4858 | // OpenMP 4.5 [2.17 Nesting of Regions] | |||
4859 | // The region associated with the distribute construct must be strictly | |||
4860 | // nested inside a teams region | |||
4861 | NestingProhibited = | |||
4862 | (ParentRegion != OMPD_teams && ParentRegion != OMPD_target_teams); | |||
4863 | Recommend = ShouldBeInTeamsRegion; | |||
4864 | } | |||
4865 | if (!NestingProhibited && | |||
4866 | (isOpenMPTargetExecutionDirective(CurrentRegion) || | |||
4867 | isOpenMPTargetDataManagementDirective(CurrentRegion))) { | |||
4868 | // OpenMP 4.5 [2.17 Nesting of Regions] | |||
4869 | // If a target, target update, target data, target enter data, or | |||
4870 | // target exit data construct is encountered during execution of a | |||
4871 | // target region, the behavior is unspecified. | |||
4872 | NestingProhibited = Stack->hasDirective( | |||
4873 | [&OffendingRegion](OpenMPDirectiveKind K, const DeclarationNameInfo &, | |||
4874 | SourceLocation) { | |||
4875 | if (isOpenMPTargetExecutionDirective(K)) { | |||
4876 | OffendingRegion = K; | |||
4877 | return true; | |||
4878 | } | |||
4879 | return false; | |||
4880 | }, | |||
4881 | false /* don't skip top directive */); | |||
4882 | CloseNesting = false; | |||
4883 | } | |||
4884 | if (NestingProhibited) { | |||
4885 | if (OrphanSeen) { | |||
4886 | SemaRef.Diag(StartLoc, diag::err_omp_orphaned_device_directive) | |||
4887 | << getOpenMPDirectiveName(CurrentRegion) << Recommend; | |||
4888 | } else { | |||
4889 | SemaRef.Diag(StartLoc, diag::err_omp_prohibited_region) | |||
4890 | << CloseNesting << getOpenMPDirectiveName(OffendingRegion) | |||
4891 | << Recommend << getOpenMPDirectiveName(CurrentRegion); | |||
4892 | } | |||
4893 | return true; | |||
4894 | } | |||
4895 | } | |||
4896 | return false; | |||
4897 | } | |||
4898 | ||||
4899 | struct Kind2Unsigned { | |||
4900 | using argument_type = OpenMPDirectiveKind; | |||
4901 | unsigned operator()(argument_type DK) { return unsigned(DK); } | |||
4902 | }; | |||
4903 | static bool checkIfClauses(Sema &S, OpenMPDirectiveKind Kind, | |||
4904 | ArrayRef<OMPClause *> Clauses, | |||
4905 | ArrayRef<OpenMPDirectiveKind> AllowedNameModifiers) { | |||
4906 | bool ErrorFound = false; | |||
4907 | unsigned NamedModifiersNumber = 0; | |||
4908 | llvm::IndexedMap<const OMPIfClause *, Kind2Unsigned> FoundNameModifiers; | |||
4909 | FoundNameModifiers.resize(llvm::omp::Directive_enumSize + 1); | |||
4910 | SmallVector<SourceLocation, 4> NameModifierLoc; | |||
4911 | for (const OMPClause *C : Clauses) { | |||
4912 | if (const auto *IC = dyn_cast_or_null<OMPIfClause>(C)) { | |||
4913 | // At most one if clause without a directive-name-modifier can appear on | |||
4914 | // the directive. | |||
4915 | OpenMPDirectiveKind CurNM = IC->getNameModifier(); | |||
4916 | if (FoundNameModifiers[CurNM]) { | |||
4917 | S.Diag(C->getBeginLoc(), diag::err_omp_more_one_clause) | |||
4918 | << getOpenMPDirectiveName(Kind) << getOpenMPClauseName(OMPC_if) | |||
4919 | << (CurNM != OMPD_unknown) << getOpenMPDirectiveName(CurNM); | |||
4920 | ErrorFound = true; | |||
4921 | } else if (CurNM != OMPD_unknown) { | |||
4922 | NameModifierLoc.push_back(IC->getNameModifierLoc()); | |||
4923 | ++NamedModifiersNumber; | |||
4924 | } | |||
4925 | FoundNameModifiers[CurNM] = IC; | |||
4926 | if (CurNM == OMPD_unknown) | |||
4927 | continue; | |||
4928 | // Check if the specified name modifier is allowed for the current | |||
4929 | // directive. | |||
4930 | // At most one if clause with the particular directive-name-modifier can | |||
4931 | // appear on the directive. | |||
4932 | bool MatchFound = false; | |||
4933 | for (auto NM : AllowedNameModifiers) { | |||
4934 | if (CurNM == NM) { | |||
4935 | MatchFound = true; | |||
4936 | break; | |||
4937 | } | |||
4938 | } | |||
4939 | if (!MatchFound) { | |||
4940 | S.Diag(IC->getNameModifierLoc(), | |||
4941 | diag::err_omp_wrong_if_directive_name_modifier) | |||
4942 | << getOpenMPDirectiveName(CurNM) << getOpenMPDirectiveName(Kind); | |||
4943 | ErrorFound = true; | |||
4944 | } | |||
4945 | } | |||
4946 | } | |||
4947 | // If any if clause on the directive includes a directive-name-modifier then | |||
4948 | // all if clauses on the directive must include a directive-name-modifier. | |||
4949 | if (FoundNameModifiers[OMPD_unknown] && NamedModifiersNumber > 0) { | |||
4950 | if (NamedModifiersNumber == AllowedNameModifiers.size()) { | |||
4951 | S.Diag(FoundNameModifiers[OMPD_unknown]->getBeginLoc(), | |||
4952 | diag::err_omp_no_more_if_clause); | |||
4953 | } else { | |||
4954 | std::string Values; | |||
4955 | std::string Sep(", "); | |||
4956 | unsigned AllowedCnt = 0; | |||
4957 | unsigned TotalAllowedNum = | |||
4958 | AllowedNameModifiers.size() - NamedModifiersNumber; | |||
4959 | for (unsigned Cnt = 0, End = AllowedNameModifiers.size(); Cnt < End; | |||
4960 | ++Cnt) { | |||
4961 | OpenMPDirectiveKind NM = AllowedNameModifiers[Cnt]; | |||
4962 | if (!FoundNameModifiers[NM]) { | |||
4963 | Values += "'"; | |||
4964 | Values += getOpenMPDirectiveName(NM); | |||
4965 | Values += "'"; | |||
4966 | if (AllowedCnt + 2 == TotalAllowedNum) | |||
4967 | Values += " or "; | |||
4968 | else if (AllowedCnt + 1 != TotalAllowedNum) | |||
4969 | Values += Sep; | |||
4970 | ++AllowedCnt; | |||
4971 | } | |||
4972 | } | |||
4973 | S.Diag(FoundNameModifiers[OMPD_unknown]->getCondition()->getBeginLoc(), | |||
4974 | diag::err_omp_unnamed_if_clause) | |||
4975 | << (TotalAllowedNum > 1) << Values; | |||
4976 | } | |||
4977 | for (SourceLocation Loc : NameModifierLoc) { | |||
4978 | S.Diag(Loc, diag::note_omp_previous_named_if_clause); | |||
4979 | } | |||
4980 | ErrorFound = true; | |||
4981 | } | |||
4982 | return ErrorFound; | |||
4983 | } | |||
4984 | ||||
4985 | static std::pair<ValueDecl *, bool> getPrivateItem(Sema &S, Expr *&RefExpr, | |||
4986 | SourceLocation &ELoc, | |||
4987 | SourceRange &ERange, | |||
4988 | bool AllowArraySection) { | |||
4989 | if (RefExpr->isTypeDependent() || RefExpr->isValueDependent() || | |||
4990 | RefExpr->containsUnexpandedParameterPack()) | |||
4991 | return std::make_pair(nullptr, true); | |||
4992 | ||||
4993 | // OpenMP [3.1, C/C++] | |||
4994 | // A list item is a variable name. | |||
4995 | // OpenMP [2.9.3.3, Restrictions, p.1] | |||
4996 | // A variable that is part of another variable (as an array or | |||
4997 | // structure element) cannot appear in a private clause. | |||
4998 | RefExpr = RefExpr->IgnoreParens(); | |||
4999 | enum { | |||
5000 | NoArrayExpr = -1, | |||
5001 | ArraySubscript = 0, | |||
5002 | OMPArraySection = 1 | |||
5003 | } IsArrayExpr = NoArrayExpr; | |||
5004 | if (AllowArraySection) { | |||
5005 | if (auto *ASE = dyn_cast_or_null<ArraySubscriptExpr>(RefExpr)) { | |||
5006 | Expr *Base = ASE->getBase()->IgnoreParenImpCasts(); | |||
5007 | while (auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) | |||
5008 | Base = TempASE->getBase()->IgnoreParenImpCasts(); | |||
5009 | RefExpr = Base; | |||
5010 | IsArrayExpr = ArraySubscript; | |||
5011 | } else if (auto *OASE = dyn_cast_or_null<OMPArraySectionExpr>(RefExpr)) { | |||
5012 | Expr *Base = OASE->getBase()->IgnoreParenImpCasts(); | |||
5013 | while (auto *TempOASE = dyn_cast<OMPArraySectionExpr>(Base)) | |||
5014 | Base = TempOASE->getBase()->IgnoreParenImpCasts(); | |||
5015 | while (auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) | |||
5016 | Base = TempASE->getBase()->IgnoreParenImpCasts(); | |||
5017 | RefExpr = Base; | |||
5018 | IsArrayExpr = OMPArraySection; | |||
5019 | } | |||
5020 | } | |||
5021 | ELoc = RefExpr->getExprLoc(); | |||
5022 | ERange = RefExpr->getSourceRange(); | |||
5023 | RefExpr = RefExpr->IgnoreParenImpCasts(); | |||
5024 | auto *DE = dyn_cast_or_null<DeclRefExpr>(RefExpr); | |||
5025 | auto *ME = dyn_cast_or_null<MemberExpr>(RefExpr); | |||
5026 | if ((!DE || !isa<VarDecl>(DE->getDecl())) && | |||
5027 | (S.getCurrentThisType().isNull() || !ME || | |||
5028 | !isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts()) || | |||
5029 | !isa<FieldDecl>(ME->getMemberDecl()))) { | |||
5030 | if (IsArrayExpr != NoArrayExpr) { | |||
5031 | S.Diag(ELoc, diag::err_omp_expected_base_var_name) << IsArrayExpr | |||
5032 | << ERange; | |||
5033 | } else { | |||
5034 | S.Diag(ELoc, | |||
5035 | AllowArraySection | |||
5036 | ? diag::err_omp_expected_var_name_member_expr_or_array_item | |||
5037 | : diag::err_omp_expected_var_name_member_expr) | |||
5038 | << (S.getCurrentThisType().isNull() ? 0 : 1) << ERange; | |||
5039 | } | |||
5040 | return std::make_pair(nullptr, false); | |||
5041 | } | |||
5042 | return std::make_pair( | |||
5043 | getCanonicalDecl(DE ? DE->getDecl() : ME->getMemberDecl()), false); | |||
5044 | } | |||
5045 | ||||
5046 | namespace { | |||
5047 | /// Checks if the allocator is used in uses_allocators clause to be allowed in | |||
5048 | /// target regions. | |||
5049 | class AllocatorChecker final : public ConstStmtVisitor<AllocatorChecker, bool> { | |||
5050 | DSAStackTy *S = nullptr; | |||
5051 | ||||
5052 | public: | |||
5053 | bool VisitDeclRefExpr(const DeclRefExpr *E) { | |||
5054 | return S->isUsesAllocatorsDecl(E->getDecl()) | |||
5055 | .getValueOr( | |||
5056 | DSAStackTy::UsesAllocatorsDeclKind::AllocatorTrait) == | |||
5057 | DSAStackTy::UsesAllocatorsDeclKind::AllocatorTrait; | |||
5058 | } | |||
5059 | bool VisitStmt(const Stmt *S) { | |||
5060 | for (const Stmt *Child : S->children()) { | |||
5061 | if (Child && Visit(Child)) | |||
5062 | return true; | |||
5063 | } | |||
5064 | return false; | |||
5065 | } | |||
5066 | explicit AllocatorChecker(DSAStackTy *S) : S(S) {} | |||
5067 | }; | |||
5068 | } // namespace | |||
5069 | ||||
5070 | static void checkAllocateClauses(Sema &S, DSAStackTy *Stack, | |||
5071 | ArrayRef<OMPClause *> Clauses) { | |||
5072 | assert(!S.CurContext->isDependentContext() &&((void)0) | |||
5073 | "Expected non-dependent context.")((void)0); | |||
5074 | auto AllocateRange = | |||
5075 | llvm::make_filter_range(Clauses, OMPAllocateClause::classof); | |||
5076 | llvm::DenseMap<CanonicalDeclPtr<Decl>, CanonicalDeclPtr<VarDecl>> | |||
5077 | DeclToCopy; | |||
5078 | auto PrivateRange = llvm::make_filter_range(Clauses, [](const OMPClause *C) { | |||
5079 | return isOpenMPPrivate(C->getClauseKind()); | |||
5080 | }); | |||
5081 | for (OMPClause *Cl : PrivateRange) { | |||
5082 | MutableArrayRef<Expr *>::iterator I, It, Et; | |||
5083 | if (Cl->getClauseKind() == OMPC_private) { | |||
5084 | auto *PC = cast<OMPPrivateClause>(Cl); | |||
5085 | I = PC->private_copies().begin(); | |||
5086 | It = PC->varlist_begin(); | |||
5087 | Et = PC->varlist_end(); | |||
5088 | } else if (Cl->getClauseKind() == OMPC_firstprivate) { | |||
5089 | auto *PC = cast<OMPFirstprivateClause>(Cl); | |||
5090 | I = PC->private_copies().begin(); | |||
5091 | It = PC->varlist_begin(); | |||
5092 | Et = PC->varlist_end(); | |||
5093 | } else if (Cl->getClauseKind() == OMPC_lastprivate) { | |||
5094 | auto *PC = cast<OMPLastprivateClause>(Cl); | |||
5095 | I = PC->private_copies().begin(); | |||
5096 | It = PC->varlist_begin(); | |||
5097 | Et = PC->varlist_end(); | |||
5098 | } else if (Cl->getClauseKind() == OMPC_linear) { | |||
5099 | auto *PC = cast<OMPLinearClause>(Cl); | |||
5100 | I = PC->privates().begin(); | |||
5101 | It = PC->varlist_begin(); | |||
5102 | Et = PC->varlist_end(); | |||
5103 | } else if (Cl->getClauseKind() == OMPC_reduction) { | |||
5104 | auto *PC = cast<OMPReductionClause>(Cl); | |||
5105 | I = PC->privates().begin(); | |||
5106 | It = PC->varlist_begin(); | |||
5107 | Et = PC->varlist_end(); | |||
5108 | } else if (Cl->getClauseKind() == OMPC_task_reduction) { | |||
5109 | auto *PC = cast<OMPTaskReductionClause>(Cl); | |||
5110 | I = PC->privates().begin(); | |||
5111 | It = PC->varlist_begin(); | |||
5112 | Et = PC->varlist_end(); | |||
5113 | } else if (Cl->getClauseKind() == OMPC_in_reduction) { | |||
5114 | auto *PC = cast<OMPInReductionClause>(Cl); | |||
5115 | I = PC->privates().begin(); | |||
5116 | It = PC->varlist_begin(); | |||
5117 | Et = PC->varlist_end(); | |||
5118 | } else { | |||
5119 | llvm_unreachable("Expected private clause.")__builtin_unreachable(); | |||
5120 | } | |||
5121 | for (Expr *E : llvm::make_range(It, Et)) { | |||
5122 | if (!*I) { | |||
5123 | ++I; | |||
5124 | continue; | |||
5125 | } | |||
5126 | SourceLocation ELoc; | |||
5127 | SourceRange ERange; | |||
5128 | Expr *SimpleRefExpr = E; | |||
5129 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange, | |||
5130 | /*AllowArraySection=*/true); | |||
5131 | DeclToCopy.try_emplace(Res.first, | |||
5132 | cast<VarDecl>(cast<DeclRefExpr>(*I)->getDecl())); | |||
5133 | ++I; | |||
5134 | } | |||
5135 | } | |||
5136 | for (OMPClause *C : AllocateRange) { | |||
5137 | auto *AC = cast<OMPAllocateClause>(C); | |||
5138 | if (S.getLangOpts().OpenMP >= 50 && | |||
5139 | !Stack->hasRequiresDeclWithClause<OMPDynamicAllocatorsClause>() && | |||
5140 | isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()) && | |||
5141 | AC->getAllocator()) { | |||
5142 | Expr *Allocator = AC->getAllocator(); | |||
5143 | // OpenMP, 2.12.5 target Construct | |||
5144 | // Memory allocators that do not appear in a uses_allocators clause cannot | |||
5145 | // appear as an allocator in an allocate clause or be used in the target | |||
5146 | // region unless a requires directive with the dynamic_allocators clause | |||
5147 | // is present in the same compilation unit. | |||
5148 | AllocatorChecker Checker(Stack); | |||
5149 | if (Checker.Visit(Allocator)) | |||
5150 | S.Diag(Allocator->getExprLoc(), | |||
5151 | diag::err_omp_allocator_not_in_uses_allocators) | |||
5152 | << Allocator->getSourceRange(); | |||
5153 | } | |||
5154 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind = | |||
5155 | getAllocatorKind(S, Stack, AC->getAllocator()); | |||
5156 | // OpenMP, 2.11.4 allocate Clause, Restrictions. | |||
5157 | // For task, taskloop or target directives, allocation requests to memory | |||
5158 | // allocators with the trait access set to thread result in unspecified | |||
5159 | // behavior. | |||
5160 | if (AllocatorKind == OMPAllocateDeclAttr::OMPThreadMemAlloc && | |||
5161 | (isOpenMPTaskingDirective(Stack->getCurrentDirective()) || | |||
5162 | isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()))) { | |||
5163 | S.Diag(AC->getAllocator()->getExprLoc(), | |||
5164 | diag::warn_omp_allocate_thread_on_task_target_directive) | |||
5165 | << getOpenMPDirectiveName(Stack->getCurrentDirective()); | |||
5166 | } | |||
5167 | for (Expr *E : AC->varlists()) { | |||
5168 | SourceLocation ELoc; | |||
5169 | SourceRange ERange; | |||
5170 | Expr *SimpleRefExpr = E; | |||
5171 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange); | |||
5172 | ValueDecl *VD = Res.first; | |||
5173 | DSAStackTy::DSAVarData Data = Stack->getTopDSA(VD, /*FromParent=*/false); | |||
5174 | if (!isOpenMPPrivate(Data.CKind)) { | |||
5175 | S.Diag(E->getExprLoc(), | |||
5176 | diag::err_omp_expected_private_copy_for_allocate); | |||
5177 | continue; | |||
5178 | } | |||
5179 | VarDecl *PrivateVD = DeclToCopy[VD]; | |||
5180 | if (checkPreviousOMPAllocateAttribute(S, Stack, E, PrivateVD, | |||
5181 | AllocatorKind, AC->getAllocator())) | |||
5182 | continue; | |||
5183 | applyOMPAllocateAttribute(S, PrivateVD, AllocatorKind, AC->getAllocator(), | |||
5184 | E->getSourceRange()); | |||
5185 | } | |||
5186 | } | |||
5187 | } | |||
5188 | ||||
5189 | namespace { | |||
5190 | /// Rewrite statements and expressions for Sema \p Actions CurContext. | |||
5191 | /// | |||
5192 | /// Used to wrap already parsed statements/expressions into a new CapturedStmt | |||
5193 | /// context. DeclRefExpr used inside the new context are changed to refer to the | |||
5194 | /// captured variable instead. | |||
5195 | class CaptureVars : public TreeTransform<CaptureVars> { | |||
5196 | using BaseTransform = TreeTransform<CaptureVars>; | |||
5197 | ||||
5198 | public: | |||
5199 | CaptureVars(Sema &Actions) : BaseTransform(Actions) {} | |||
5200 | ||||
5201 | bool AlwaysRebuild() { return true; } | |||
5202 | }; | |||
5203 | } // namespace | |||
5204 | ||||
5205 | static VarDecl *precomputeExpr(Sema &Actions, | |||
5206 | SmallVectorImpl<Stmt *> &BodyStmts, Expr *E, | |||
5207 | StringRef Name) { | |||
5208 | Expr *NewE = AssertSuccess(CaptureVars(Actions).TransformExpr(E)); | |||
5209 | VarDecl *NewVar = buildVarDecl(Actions, {}, NewE->getType(), Name, nullptr, | |||
5210 | dyn_cast<DeclRefExpr>(E->IgnoreImplicit())); | |||
5211 | auto *NewDeclStmt = cast<DeclStmt>(AssertSuccess( | |||
5212 | Actions.ActOnDeclStmt(Actions.ConvertDeclToDeclGroup(NewVar), {}, {}))); | |||
5213 | Actions.AddInitializerToDecl(NewDeclStmt->getSingleDecl(), NewE, false); | |||
5214 | BodyStmts.push_back(NewDeclStmt); | |||
5215 | return NewVar; | |||
5216 | } | |||
5217 | ||||
5218 | /// Create a closure that computes the number of iterations of a loop. | |||
5219 | /// | |||
5220 | /// \param Actions The Sema object. | |||
5221 | /// \param LogicalTy Type for the logical iteration number. | |||
5222 | /// \param Rel Comparison operator of the loop condition. | |||
5223 | /// \param StartExpr Value of the loop counter at the first iteration. | |||
5224 | /// \param StopExpr Expression the loop counter is compared against in the loop | |||
5225 | /// condition. \param StepExpr Amount of increment after each iteration. | |||
5226 | /// | |||
5227 | /// \return Closure (CapturedStmt) of the distance calculation. | |||
5228 | static CapturedStmt *buildDistanceFunc(Sema &Actions, QualType LogicalTy, | |||
5229 | BinaryOperator::Opcode Rel, | |||
5230 | Expr *StartExpr, Expr *StopExpr, | |||
5231 | Expr *StepExpr) { | |||
5232 | ASTContext &Ctx = Actions.getASTContext(); | |||
5233 | TypeSourceInfo *LogicalTSI = Ctx.getTrivialTypeSourceInfo(LogicalTy); | |||
5234 | ||||
5235 | // Captured regions currently don't support return values, we use an | |||
5236 | // out-parameter instead. All inputs are implicit captures. | |||
5237 | // TODO: Instead of capturing each DeclRefExpr occurring in | |||
5238 | // StartExpr/StopExpr/Step, these could also be passed as a value capture. | |||
5239 | QualType ResultTy = Ctx.getLValueReferenceType(LogicalTy); | |||
5240 | Sema::CapturedParamNameType Params[] = {{"Distance", ResultTy}, | |||
5241 | {StringRef(), QualType()}}; | |||
5242 | Actions.ActOnCapturedRegionStart({}, nullptr, CR_Default, Params); | |||
5243 | ||||
5244 | Stmt *Body; | |||
5245 | { | |||
5246 | Sema::CompoundScopeRAII CompoundScope(Actions); | |||
5247 | CapturedDecl *CS = cast<CapturedDecl>(Actions.CurContext); | |||
5248 | ||||
5249 | // Get the LValue expression for the result. | |||
5250 | ImplicitParamDecl *DistParam = CS->getParam(0); | |||
5251 | DeclRefExpr *DistRef = Actions.BuildDeclRefExpr( | |||
5252 | DistParam, LogicalTy, VK_LValue, {}, nullptr, nullptr, {}, nullptr); | |||
5253 | ||||
5254 | SmallVector<Stmt *, 4> BodyStmts; | |||
5255 | ||||
5256 | // Capture all referenced variable references. | |||
5257 | // TODO: Instead of computing NewStart/NewStop/NewStep inside the | |||
5258 | // CapturedStmt, we could compute them before and capture the result, to be | |||
5259 | // used jointly with the LoopVar function. | |||
5260 | VarDecl *NewStart = precomputeExpr(Actions, BodyStmts, StartExpr, ".start"); | |||
5261 | VarDecl *NewStop = precomputeExpr(Actions, BodyStmts, StopExpr, ".stop"); | |||
5262 | VarDecl *NewStep = precomputeExpr(Actions, BodyStmts, StepExpr, ".step"); | |||
5263 | auto BuildVarRef = [&](VarDecl *VD) { | |||
5264 | return buildDeclRefExpr(Actions, VD, VD->getType(), {}); | |||
5265 | }; | |||
5266 | ||||
5267 | IntegerLiteral *Zero = IntegerLiteral::Create( | |||
5268 | Ctx, llvm::APInt(Ctx.getIntWidth(LogicalTy), 0), LogicalTy, {}); | |||
5269 | Expr *Dist; | |||
5270 | if (Rel == BO_NE) { | |||
5271 | // When using a != comparison, the increment can be +1 or -1. This can be | |||
5272 | // dynamic at runtime, so we need to check for the direction. | |||
5273 | Expr *IsNegStep = AssertSuccess( | |||
5274 | Actions.BuildBinOp(nullptr, {}, BO_LT, BuildVarRef(NewStep), Zero)); | |||
5275 | ||||
5276 | // Positive increment. | |||
5277 | Expr *ForwardRange = AssertSuccess(Actions.BuildBinOp( | |||
5278 | nullptr, {}, BO_Sub, BuildVarRef(NewStop), BuildVarRef(NewStart))); | |||
5279 | ForwardRange = AssertSuccess( | |||
5280 | Actions.BuildCStyleCastExpr({}, LogicalTSI, {}, ForwardRange)); | |||
5281 | Expr *ForwardDist = AssertSuccess(Actions.BuildBinOp( | |||
5282 | nullptr, {}, BO_Div, ForwardRange, BuildVarRef(NewStep))); | |||
5283 | ||||
5284 | // Negative increment. | |||
5285 | Expr *BackwardRange = AssertSuccess(Actions.BuildBinOp( | |||
5286 | nullptr, {}, BO_Sub, BuildVarRef(NewStart), BuildVarRef(NewStop))); | |||
5287 | BackwardRange = AssertSuccess( | |||
5288 | Actions.BuildCStyleCastExpr({}, LogicalTSI, {}, BackwardRange)); | |||
5289 | Expr *NegIncAmount = AssertSuccess( | |||
5290 | Actions.BuildUnaryOp(nullptr, {}, UO_Minus, BuildVarRef(NewStep))); | |||
5291 | Expr *BackwardDist = AssertSuccess( | |||
5292 | Actions.BuildBinOp(nullptr, {}, BO_Div, BackwardRange, NegIncAmount)); | |||
5293 | ||||
5294 | // Use the appropriate case. | |||
5295 | Dist = AssertSuccess(Actions.ActOnConditionalOp( | |||
5296 | {}, {}, IsNegStep, BackwardDist, ForwardDist)); | |||
5297 | } else { | |||
5298 | assert((Rel == BO_LT || Rel == BO_LE || Rel == BO_GE || Rel == BO_GT) &&((void)0) | |||
5299 | "Expected one of these relational operators")((void)0); | |||
5300 | ||||
5301 | // We can derive the direction from any other comparison operator. It is | |||
5302 | // non well-formed OpenMP if Step increments/decrements in the other | |||
5303 | // directions. Whether at least the first iteration passes the loop | |||
5304 | // condition. | |||
5305 | Expr *HasAnyIteration = AssertSuccess(Actions.BuildBinOp( | |||
5306 | nullptr, {}, Rel, BuildVarRef(NewStart), BuildVarRef(NewStop))); | |||
5307 | ||||
5308 | // Compute the range between first and last counter value. | |||
5309 | Expr *Range; | |||
5310 | if (Rel == BO_GE || Rel == BO_GT) | |||
5311 | Range = AssertSuccess(Actions.BuildBinOp( | |||
5312 | nullptr, {}, BO_Sub, BuildVarRef(NewStart), BuildVarRef(NewStop))); | |||
5313 | else | |||
5314 | Range = AssertSuccess(Actions.BuildBinOp( | |||
5315 | nullptr, {}, BO_Sub, BuildVarRef(NewStop), BuildVarRef(NewStart))); | |||
5316 | ||||
5317 | // Ensure unsigned range space. | |||
5318 | Range = | |||
5319 | AssertSuccess(Actions.BuildCStyleCastExpr({}, LogicalTSI, {}, Range)); | |||
5320 | ||||
5321 | if (Rel == BO_LE || Rel == BO_GE) { | |||
5322 | // Add one to the range if the relational operator is inclusive. | |||
5323 | Range = | |||
5324 | AssertSuccess(Actions.BuildUnaryOp(nullptr, {}, UO_PreInc, Range)); | |||
5325 | } | |||
5326 | ||||
5327 | // Divide by the absolute step amount. | |||
5328 | Expr *Divisor = BuildVarRef(NewStep); | |||
5329 | if (Rel == BO_GE || Rel == BO_GT) | |||
5330 | Divisor = | |||
5331 | AssertSuccess(Actions.BuildUnaryOp(nullptr, {}, UO_Minus, Divisor)); | |||
5332 | Dist = AssertSuccess( | |||
5333 | Actions.BuildBinOp(nullptr, {}, BO_Div, Range, Divisor)); | |||
5334 | ||||
5335 | // If there is not at least one iteration, the range contains garbage. Fix | |||
5336 | // to zero in this case. | |||
5337 | Dist = AssertSuccess( | |||
5338 | Actions.ActOnConditionalOp({}, {}, HasAnyIteration, Dist, Zero)); | |||
5339 | } | |||
5340 | ||||
5341 | // Assign the result to the out-parameter. | |||
5342 | Stmt *ResultAssign = AssertSuccess(Actions.BuildBinOp( | |||
5343 | Actions.getCurScope(), {}, BO_Assign, DistRef, Dist)); | |||
5344 | BodyStmts.push_back(ResultAssign); | |||
5345 | ||||
5346 | Body = AssertSuccess(Actions.ActOnCompoundStmt({}, {}, BodyStmts, false)); | |||
5347 | } | |||
5348 | ||||
5349 | return cast<CapturedStmt>( | |||
5350 | AssertSuccess(Actions.ActOnCapturedRegionEnd(Body))); | |||
5351 | } | |||
5352 | ||||
5353 | /// Create a closure that computes the loop variable from the logical iteration | |||
5354 | /// number. | |||
5355 | /// | |||
5356 | /// \param Actions The Sema object. | |||
5357 | /// \param LoopVarTy Type for the loop variable used for result value. | |||
5358 | /// \param LogicalTy Type for the logical iteration number. | |||
5359 | /// \param StartExpr Value of the loop counter at the first iteration. | |||
5360 | /// \param Step Amount of increment after each iteration. | |||
5361 | /// \param Deref Whether the loop variable is a dereference of the loop | |||
5362 | /// counter variable. | |||
5363 | /// | |||
5364 | /// \return Closure (CapturedStmt) of the loop value calculation. | |||
5365 | static CapturedStmt *buildLoopVarFunc(Sema &Actions, QualType LoopVarTy, | |||
5366 | QualType LogicalTy, | |||
5367 | DeclRefExpr *StartExpr, Expr *Step, | |||
5368 | bool Deref) { | |||
5369 | ASTContext &Ctx = Actions.getASTContext(); | |||
5370 | ||||
5371 | // Pass the result as an out-parameter. Passing as return value would require | |||
5372 | // the OpenMPIRBuilder to know additional C/C++ semantics, such as how to | |||
5373 | // invoke a copy constructor. | |||
5374 | QualType TargetParamTy = Ctx.getLValueReferenceType(LoopVarTy); | |||
5375 | Sema::CapturedParamNameType Params[] = {{"LoopVar", TargetParamTy}, | |||
5376 | {"Logical", LogicalTy}, | |||
5377 | {StringRef(), QualType()}}; | |||
5378 | Actions.ActOnCapturedRegionStart({}, nullptr, CR_Default, Params); | |||
5379 | ||||
5380 | // Capture the initial iterator which represents the LoopVar value at the | |||
5381 | // zero's logical iteration. Since the original ForStmt/CXXForRangeStmt update | |||
5382 | // it in every iteration, capture it by value before it is modified. | |||
5383 | VarDecl *StartVar = cast<VarDecl>(StartExpr->getDecl()); | |||
5384 | bool Invalid = Actions.tryCaptureVariable(StartVar, {}, | |||
5385 | Sema::TryCapture_ExplicitByVal, {}); | |||
5386 | (void)Invalid; | |||
5387 | assert(!Invalid && "Expecting capture-by-value to work.")((void)0); | |||
5388 | ||||
5389 | Expr *Body; | |||
5390 | { | |||
5391 | Sema::CompoundScopeRAII CompoundScope(Actions); | |||
5392 | auto *CS = cast<CapturedDecl>(Actions.CurContext); | |||
5393 | ||||
5394 | ImplicitParamDecl *TargetParam = CS->getParam(0); | |||
5395 | DeclRefExpr *TargetRef = Actions.BuildDeclRefExpr( | |||
5396 | TargetParam, LoopVarTy, VK_LValue, {}, nullptr, nullptr, {}, nullptr); | |||
5397 | ImplicitParamDecl *IndvarParam = CS->getParam(1); | |||
5398 | DeclRefExpr *LogicalRef = Actions.BuildDeclRefExpr( | |||
5399 | IndvarParam, LogicalTy, VK_LValue, {}, nullptr, nullptr, {}, nullptr); | |||
5400 | ||||
5401 | // Capture the Start expression. | |||
5402 | CaptureVars Recap(Actions); | |||
5403 | Expr *NewStart = AssertSuccess(Recap.TransformExpr(StartExpr)); | |||
5404 | Expr *NewStep = AssertSuccess(Recap.TransformExpr(Step)); | |||
5405 | ||||
5406 | Expr *Skip = AssertSuccess( | |||
5407 | Actions.BuildBinOp(nullptr, {}, BO_Mul, NewStep, LogicalRef)); | |||
5408 | // TODO: Explicitly cast to the iterator's difference_type instead of | |||
5409 | // relying on implicit conversion. | |||
5410 | Expr *Advanced = | |||
5411 | AssertSuccess(Actions.BuildBinOp(nullptr, {}, BO_Add, NewStart, Skip)); | |||
5412 | ||||
5413 | if (Deref) { | |||
5414 | // For range-based for-loops convert the loop counter value to a concrete | |||
5415 | // loop variable value by dereferencing the iterator. | |||
5416 | Advanced = | |||
5417 | AssertSuccess(Actions.BuildUnaryOp(nullptr, {}, UO_Deref, Advanced)); | |||
5418 | } | |||
5419 | ||||
5420 | // Assign the result to the output parameter. | |||
5421 | Body = AssertSuccess(Actions.BuildBinOp(Actions.getCurScope(), {}, | |||
5422 | BO_Assign, TargetRef, Advanced)); | |||
5423 | } | |||
5424 | return cast<CapturedStmt>( | |||
5425 | AssertSuccess(Actions.ActOnCapturedRegionEnd(Body))); | |||
5426 | } | |||
5427 | ||||
5428 | StmtResult Sema::ActOnOpenMPCanonicalLoop(Stmt *AStmt) { | |||
5429 | ASTContext &Ctx = getASTContext(); | |||
5430 | ||||
5431 | // Extract the common elements of ForStmt and CXXForRangeStmt: | |||
5432 | // Loop variable, repeat condition, increment | |||
5433 | Expr *Cond, *Inc; | |||
5434 | VarDecl *LIVDecl, *LUVDecl; | |||
5435 | if (auto *For = dyn_cast<ForStmt>(AStmt)) { | |||
5436 | Stmt *Init = For->getInit(); | |||
5437 | if (auto *LCVarDeclStmt = dyn_cast<DeclStmt>(Init)) { | |||
5438 | // For statement declares loop variable. | |||
5439 | LIVDecl = cast<VarDecl>(LCVarDeclStmt->getSingleDecl()); | |||
5440 | } else if (auto *LCAssign = dyn_cast<BinaryOperator>(Init)) { | |||
5441 | // For statement reuses variable. | |||
5442 | assert(LCAssign->getOpcode() == BO_Assign &&((void)0) | |||
5443 | "init part must be a loop variable assignment")((void)0); | |||
5444 | auto *CounterRef = cast<DeclRefExpr>(LCAssign->getLHS()); | |||
5445 | LIVDecl = cast<VarDecl>(CounterRef->getDecl()); | |||
5446 | } else | |||
5447 | llvm_unreachable("Cannot determine loop variable")__builtin_unreachable(); | |||
5448 | LUVDecl = LIVDecl; | |||
5449 | ||||
5450 | Cond = For->getCond(); | |||
5451 | Inc = For->getInc(); | |||
5452 | } else if (auto *RangeFor = dyn_cast<CXXForRangeStmt>(AStmt)) { | |||
5453 | DeclStmt *BeginStmt = RangeFor->getBeginStmt(); | |||
5454 | LIVDecl = cast<VarDecl>(BeginStmt->getSingleDecl()); | |||
5455 | LUVDecl = RangeFor->getLoopVariable(); | |||
5456 | ||||
5457 | Cond = RangeFor->getCond(); | |||
5458 | Inc = RangeFor->getInc(); | |||
5459 | } else | |||
5460 | llvm_unreachable("unhandled kind of loop")__builtin_unreachable(); | |||
5461 | ||||
5462 | QualType CounterTy = LIVDecl->getType(); | |||
5463 | QualType LVTy = LUVDecl->getType(); | |||
5464 | ||||
5465 | // Analyze the loop condition. | |||
5466 | Expr *LHS, *RHS; | |||
5467 | BinaryOperator::Opcode CondRel; | |||
5468 | Cond = Cond->IgnoreImplicit(); | |||
5469 | if (auto *CondBinExpr = dyn_cast<BinaryOperator>(Cond)) { | |||
5470 | LHS = CondBinExpr->getLHS(); | |||
5471 | RHS = CondBinExpr->getRHS(); | |||
5472 | CondRel = CondBinExpr->getOpcode(); | |||
5473 | } else if (auto *CondCXXOp = dyn_cast<CXXOperatorCallExpr>(Cond)) { | |||
5474 | assert(CondCXXOp->getNumArgs() == 2 && "Comparison should have 2 operands")((void)0); | |||
5475 | LHS = CondCXXOp->getArg(0); | |||
5476 | RHS = CondCXXOp->getArg(1); | |||
5477 | switch (CondCXXOp->getOperator()) { | |||
5478 | case OO_ExclaimEqual: | |||
5479 | CondRel = BO_NE; | |||
5480 | break; | |||
5481 | case OO_Less: | |||
5482 | CondRel = BO_LT; | |||
5483 | break; | |||
5484 | case OO_LessEqual: | |||
5485 | CondRel = BO_LE; | |||
5486 | break; | |||
5487 | case OO_Greater: | |||
5488 | CondRel = BO_GT; | |||
5489 | break; | |||
5490 | case OO_GreaterEqual: | |||
5491 | CondRel = BO_GE; | |||
5492 | break; | |||
5493 | default: | |||
5494 | llvm_unreachable("unexpected iterator operator")__builtin_unreachable(); | |||
5495 | } | |||
5496 | } else | |||
5497 | llvm_unreachable("unexpected loop condition")__builtin_unreachable(); | |||
5498 | ||||
5499 | // Normalize such that the loop counter is on the LHS. | |||
5500 | if (!isa<DeclRefExpr>(LHS->IgnoreImplicit()) || | |||
5501 | cast<DeclRefExpr>(LHS->IgnoreImplicit())->getDecl() != LIVDecl) { | |||
5502 | std::swap(LHS, RHS); | |||
5503 | CondRel = BinaryOperator::reverseComparisonOp(CondRel); | |||
5504 | } | |||
5505 | auto *CounterRef = cast<DeclRefExpr>(LHS->IgnoreImplicit()); | |||
5506 | ||||
5507 | // Decide the bit width for the logical iteration counter. By default use the | |||
5508 | // unsigned ptrdiff_t integer size (for iterators and pointers). | |||
5509 | // TODO: For iterators, use iterator::difference_type, | |||
5510 | // std::iterator_traits<>::difference_type or decltype(it - end). | |||
5511 | QualType LogicalTy = Ctx.getUnsignedPointerDiffType(); | |||
5512 | if (CounterTy->isIntegerType()) { | |||
5513 | unsigned BitWidth = Ctx.getIntWidth(CounterTy); | |||
5514 | LogicalTy = Ctx.getIntTypeForBitwidth(BitWidth, false); | |||
5515 | } | |||
5516 | ||||
5517 | // Analyze the loop increment. | |||
5518 | Expr *Step; | |||
5519 | if (auto *IncUn = dyn_cast<UnaryOperator>(Inc)) { | |||
5520 | int Direction; | |||
5521 | switch (IncUn->getOpcode()) { | |||
5522 | case UO_PreInc: | |||
5523 | case UO_PostInc: | |||
5524 | Direction = 1; | |||
5525 | break; | |||
5526 | case UO_PreDec: | |||
5527 | case UO_PostDec: | |||
5528 | Direction = -1; | |||
5529 | break; | |||
5530 | default: | |||
5531 | llvm_unreachable("unhandled unary increment operator")__builtin_unreachable(); | |||
5532 | } | |||
5533 | Step = IntegerLiteral::Create( | |||
5534 | Ctx, llvm::APInt(Ctx.getIntWidth(LogicalTy), Direction), LogicalTy, {}); | |||
5535 | } else if (auto *IncBin = dyn_cast<BinaryOperator>(Inc)) { | |||
5536 | if (IncBin->getOpcode() == BO_AddAssign) { | |||
5537 | Step = IncBin->getRHS(); | |||
5538 | } else if (IncBin->getOpcode() == BO_SubAssign) { | |||
5539 | Step = | |||
5540 | AssertSuccess(BuildUnaryOp(nullptr, {}, UO_Minus, IncBin->getRHS())); | |||
5541 | } else | |||
5542 | llvm_unreachable("unhandled binary increment operator")__builtin_unreachable(); | |||
5543 | } else if (auto *CondCXXOp = dyn_cast<CXXOperatorCallExpr>(Inc)) { | |||
5544 | switch (CondCXXOp->getOperator()) { | |||
5545 | case OO_PlusPlus: | |||
5546 | Step = IntegerLiteral::Create( | |||
5547 | Ctx, llvm::APInt(Ctx.getIntWidth(LogicalTy), 1), LogicalTy, {}); | |||
5548 | break; | |||
5549 | case OO_MinusMinus: | |||
5550 | Step = IntegerLiteral::Create( | |||
5551 | Ctx, llvm::APInt(Ctx.getIntWidth(LogicalTy), -1), LogicalTy, {}); | |||
5552 | break; | |||
5553 | case OO_PlusEqual: | |||
5554 | Step = CondCXXOp->getArg(1); | |||
5555 | break; | |||
5556 | case OO_MinusEqual: | |||
5557 | Step = AssertSuccess( | |||
5558 | BuildUnaryOp(nullptr, {}, UO_Minus, CondCXXOp->getArg(1))); | |||
5559 | break; | |||
5560 | default: | |||
5561 | llvm_unreachable("unhandled overloaded increment operator")__builtin_unreachable(); | |||
5562 | } | |||
5563 | } else | |||
5564 | llvm_unreachable("unknown increment expression")__builtin_unreachable(); | |||
5565 | ||||
5566 | CapturedStmt *DistanceFunc = | |||
5567 | buildDistanceFunc(*this, LogicalTy, CondRel, LHS, RHS, Step); | |||
5568 | CapturedStmt *LoopVarFunc = buildLoopVarFunc( | |||
5569 | *this, LVTy, LogicalTy, CounterRef, Step, isa<CXXForRangeStmt>(AStmt)); | |||
5570 | DeclRefExpr *LVRef = BuildDeclRefExpr(LUVDecl, LUVDecl->getType(), VK_LValue, | |||
5571 | {}, nullptr, nullptr, {}, nullptr); | |||
5572 | return OMPCanonicalLoop::create(getASTContext(), AStmt, DistanceFunc, | |||
5573 | LoopVarFunc, LVRef); | |||
5574 | } | |||
5575 | ||||
5576 | static ExprResult buildUserDefinedMapperRef(Sema &SemaRef, Scope *S, | |||
5577 | CXXScopeSpec &MapperIdScopeSpec, | |||
5578 | const DeclarationNameInfo &MapperId, | |||
5579 | QualType Type, | |||
5580 | Expr *UnresolvedMapper); | |||
5581 | ||||
5582 | /// Perform DFS through the structure/class data members trying to find | |||
5583 | /// member(s) with user-defined 'default' mapper and generate implicit map | |||
5584 | /// clauses for such members with the found 'default' mapper. | |||
5585 | static void | |||
5586 | processImplicitMapsWithDefaultMappers(Sema &S, DSAStackTy *Stack, | |||
5587 | SmallVectorImpl<OMPClause *> &Clauses) { | |||
5588 | // Check for the deault mapper for data members. | |||
5589 | if (S.getLangOpts().OpenMP < 50) | |||
5590 | return; | |||
5591 | SmallVector<OMPClause *, 4> ImplicitMaps; | |||
5592 | for (int Cnt = 0, EndCnt = Clauses.size(); Cnt < EndCnt; ++Cnt) { | |||
5593 | auto *C = dyn_cast<OMPMapClause>(Clauses[Cnt]); | |||
5594 | if (!C) | |||
5595 | continue; | |||
5596 | SmallVector<Expr *, 4> SubExprs; | |||
5597 | auto *MI = C->mapperlist_begin(); | |||
5598 | for (auto I = C->varlist_begin(), End = C->varlist_end(); I != End; | |||
5599 | ++I, ++MI) { | |||
5600 | // Expression is mapped using mapper - skip it. | |||
5601 | if (*MI) | |||
5602 | continue; | |||
5603 | Expr *E = *I; | |||
5604 | // Expression is dependent - skip it, build the mapper when it gets | |||
5605 | // instantiated. | |||
5606 | if (E->isTypeDependent() || E->isValueDependent() || | |||
5607 | E->containsUnexpandedParameterPack()) | |||
5608 | continue; | |||
5609 | // Array section - need to check for the mapping of the array section | |||
5610 | // element. | |||
5611 | QualType CanonType = E->getType().getCanonicalType(); | |||
5612 | if (CanonType->isSpecificBuiltinType(BuiltinType::OMPArraySection)) { | |||
5613 | const auto *OASE = cast<OMPArraySectionExpr>(E->IgnoreParenImpCasts()); | |||
5614 | QualType BaseType = | |||
5615 | OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); | |||
5616 | QualType ElemType; | |||
5617 | if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) | |||
5618 | ElemType = ATy->getElementType(); | |||
5619 | else | |||
5620 | ElemType = BaseType->getPointeeType(); | |||
5621 | CanonType = ElemType; | |||
5622 | } | |||
5623 | ||||
5624 | // DFS over data members in structures/classes. | |||
5625 | SmallVector<std::pair<QualType, FieldDecl *>, 4> Types( | |||
5626 | 1, {CanonType, nullptr}); | |||
5627 | llvm::DenseMap<const Type *, Expr *> Visited; | |||
5628 | SmallVector<std::pair<FieldDecl *, unsigned>, 4> ParentChain( | |||
5629 | 1, {nullptr, 1}); | |||
5630 | while (!Types.empty()) { | |||
5631 | QualType BaseType; | |||
5632 | FieldDecl *CurFD; | |||
5633 | std::tie(BaseType, CurFD) = Types.pop_back_val(); | |||
5634 | while (ParentChain.back().second == 0) | |||
5635 | ParentChain.pop_back(); | |||
5636 | --ParentChain.back().second; | |||
5637 | if (BaseType.isNull()) | |||
5638 | continue; | |||
5639 | // Only structs/classes are allowed to have mappers. | |||
5640 | const RecordDecl *RD = BaseType.getCanonicalType()->getAsRecordDecl(); | |||
5641 | if (!RD) | |||
5642 | continue; | |||
5643 | auto It = Visited.find(BaseType.getTypePtr()); | |||
5644 | if (It == Visited.end()) { | |||
5645 | // Try to find the associated user-defined mapper. | |||
5646 | CXXScopeSpec MapperIdScopeSpec; | |||
5647 | DeclarationNameInfo DefaultMapperId; | |||
5648 | DefaultMapperId.setName(S.Context.DeclarationNames.getIdentifier( | |||
5649 | &S.Context.Idents.get("default"))); | |||
5650 | DefaultMapperId.setLoc(E->getExprLoc()); | |||
5651 | ExprResult ER = buildUserDefinedMapperRef( | |||
5652 | S, Stack->getCurScope(), MapperIdScopeSpec, DefaultMapperId, | |||
5653 | BaseType, /*UnresolvedMapper=*/nullptr); | |||
5654 | if (ER.isInvalid()) | |||
5655 | continue; | |||
5656 | It = Visited.try_emplace(BaseType.getTypePtr(), ER.get()).first; | |||
5657 | } | |||
5658 | // Found default mapper. | |||
5659 | if (It->second) { | |||
5660 | auto *OE = new (S.Context) OpaqueValueExpr(E->getExprLoc(), CanonType, | |||
5661 | VK_LValue, OK_Ordinary, E); | |||
5662 | OE->setIsUnique(/*V=*/true); | |||
5663 | Expr *BaseExpr = OE; | |||
5664 | for (const auto &P : ParentChain) { | |||
5665 | if (P.first) { | |||
5666 | BaseExpr = S.BuildMemberExpr( | |||
5667 | BaseExpr, /*IsArrow=*/false, E->getExprLoc(), | |||
5668 | NestedNameSpecifierLoc(), SourceLocation(), P.first, | |||
5669 | DeclAccessPair::make(P.first, P.first->getAccess()), | |||
5670 | /*HadMultipleCandidates=*/false, DeclarationNameInfo(), | |||
5671 | P.first->getType(), VK_LValue, OK_Ordinary); | |||
5672 | BaseExpr = S.DefaultLvalueConversion(BaseExpr).get(); | |||
5673 | } | |||
5674 | } | |||
5675 | if (CurFD) | |||
5676 | BaseExpr = S.BuildMemberExpr( | |||
5677 | BaseExpr, /*IsArrow=*/false, E->getExprLoc(), | |||
5678 | NestedNameSpecifierLoc(), SourceLocation(), CurFD, | |||
5679 | DeclAccessPair::make(CurFD, CurFD->getAccess()), | |||
5680 | /*HadMultipleCandidates=*/false, DeclarationNameInfo(), | |||
5681 | CurFD->getType(), VK_LValue, OK_Ordinary); | |||
5682 | SubExprs.push_back(BaseExpr); | |||
5683 | continue; | |||
5684 | } | |||
5685 | // Check for the "default" mapper for data memebers. | |||
5686 | bool FirstIter = true; | |||
5687 | for (FieldDecl *FD : RD->fields()) { | |||
5688 | if (!FD) | |||
5689 | continue; | |||
5690 | QualType FieldTy = FD->getType(); | |||
5691 | if (FieldTy.isNull() || | |||
5692 | !(FieldTy->isStructureOrClassType() || FieldTy->isUnionType())) | |||
5693 | continue; | |||
5694 | if (FirstIter) { | |||
5695 | FirstIter = false; | |||
5696 | ParentChain.emplace_back(CurFD, 1); | |||
5697 | } else { | |||
5698 | ++ParentChain.back().second; | |||
5699 | } | |||
5700 | Types.emplace_back(FieldTy, FD); | |||
5701 | } | |||
5702 | } | |||
5703 | } | |||
5704 | if (SubExprs.empty()) | |||
5705 | continue; | |||
5706 | CXXScopeSpec MapperIdScopeSpec; | |||
5707 | DeclarationNameInfo MapperId; | |||
5708 | if (OMPClause *NewClause = S.ActOnOpenMPMapClause( | |||
5709 | C->getMapTypeModifiers(), C->getMapTypeModifiersLoc(), | |||
5710 | MapperIdScopeSpec, MapperId, C->getMapType(), | |||
5711 | /*IsMapTypeImplicit=*/true, SourceLocation(), SourceLocation(), | |||
5712 | SubExprs, OMPVarListLocTy())) | |||
5713 | Clauses.push_back(NewClause); | |||
5714 | } | |||
5715 | } | |||
5716 | ||||
5717 | StmtResult Sema::ActOnOpenMPExecutableDirective( | |||
5718 | OpenMPDirectiveKind Kind, const DeclarationNameInfo &DirName, | |||
5719 | OpenMPDirectiveKind CancelRegion, ArrayRef<OMPClause *> Clauses, | |||
5720 | Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { | |||
5721 | StmtResult Res = StmtError(); | |||
5722 | // First check CancelRegion which is then used in checkNestingOfRegions. | |||
5723 | if (checkCancelRegion(*this, Kind, CancelRegion, StartLoc) || | |||
5724 | checkNestingOfRegions(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), Kind, DirName, CancelRegion, | |||
5725 | StartLoc)) | |||
5726 | return StmtError(); | |||
5727 | ||||
5728 | llvm::SmallVector<OMPClause *, 8> ClausesWithImplicit; | |||
5729 | VarsWithInheritedDSAType VarsWithInheritedDSA; | |||
5730 | bool ErrorFound = false; | |||
5731 | ClausesWithImplicit.append(Clauses.begin(), Clauses.end()); | |||
5732 | if (AStmt && !CurContext->isDependentContext() && Kind != OMPD_atomic && | |||
5733 | Kind != OMPD_critical && Kind != OMPD_section && Kind != OMPD_master && | |||
5734 | Kind != OMPD_masked && !isOpenMPLoopTransformationDirective(Kind)) { | |||
5735 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | |||
5736 | ||||
5737 | // Check default data sharing attributes for referenced variables. | |||
5738 | DSAAttrChecker DSAChecker(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), *this, cast<CapturedStmt>(AStmt)); | |||
5739 | int ThisCaptureLevel = getOpenMPCaptureLevels(Kind); | |||
5740 | Stmt *S = AStmt; | |||
5741 | while (--ThisCaptureLevel >= 0) | |||
5742 | S = cast<CapturedStmt>(S)->getCapturedStmt(); | |||
5743 | DSAChecker.Visit(S); | |||
5744 | if (!isOpenMPTargetDataManagementDirective(Kind) && | |||
5745 | !isOpenMPTaskingDirective(Kind)) { | |||
5746 | // Visit subcaptures to generate implicit clauses for captured vars. | |||
5747 | auto *CS = cast<CapturedStmt>(AStmt); | |||
5748 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | |||
5749 | getOpenMPCaptureRegions(CaptureRegions, Kind); | |||
5750 | // Ignore outer tasking regions for target directives. | |||
5751 | if (CaptureRegions.size() > 1 && CaptureRegions.front() == OMPD_task) | |||
5752 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
5753 | DSAChecker.visitSubCaptures(CS); | |||
5754 | } | |||
5755 | if (DSAChecker.isErrorFound()) | |||
5756 | return StmtError(); | |||
5757 | // Generate list of implicitly defined firstprivate variables. | |||
5758 | VarsWithInheritedDSA = DSAChecker.getVarsWithInheritedDSA(); | |||
5759 | ||||
5760 | SmallVector<Expr *, 4> ImplicitFirstprivates( | |||
5761 | DSAChecker.getImplicitFirstprivate().begin(), | |||
5762 | DSAChecker.getImplicitFirstprivate().end()); | |||
5763 | const unsigned DefaultmapKindNum = OMPC_DEFAULTMAP_pointer + 1; | |||
5764 | SmallVector<Expr *, 4> ImplicitMaps[DefaultmapKindNum][OMPC_MAP_delete]; | |||
5765 | SmallVector<OpenMPMapModifierKind, NumberOfOMPMapClauseModifiers> | |||
5766 | ImplicitMapModifiers[DefaultmapKindNum]; | |||
5767 | SmallVector<SourceLocation, NumberOfOMPMapClauseModifiers> | |||
5768 | ImplicitMapModifiersLoc[DefaultmapKindNum]; | |||
5769 | // Get the original location of present modifier from Defaultmap clause. | |||
5770 | SourceLocation PresentModifierLocs[DefaultmapKindNum]; | |||
5771 | for (OMPClause *C : Clauses) { | |||
5772 | if (auto *DMC = dyn_cast<OMPDefaultmapClause>(C)) | |||
5773 | if (DMC->getDefaultmapModifier() == OMPC_DEFAULTMAP_MODIFIER_present) | |||
5774 | PresentModifierLocs[DMC->getDefaultmapKind()] = | |||
5775 | DMC->getDefaultmapModifierLoc(); | |||
5776 | } | |||
5777 | for (unsigned VC = 0; VC < DefaultmapKindNum; ++VC) { | |||
5778 | auto Kind = static_cast<OpenMPDefaultmapClauseKind>(VC); | |||
5779 | for (unsigned I = 0; I < OMPC_MAP_delete; ++I) { | |||
5780 | ArrayRef<Expr *> ImplicitMap = DSAChecker.getImplicitMap( | |||
5781 | Kind, static_cast<OpenMPMapClauseKind>(I)); | |||
5782 | ImplicitMaps[VC][I].append(ImplicitMap.begin(), ImplicitMap.end()); | |||
5783 | } | |||
5784 | ArrayRef<OpenMPMapModifierKind> ImplicitModifier = | |||
5785 | DSAChecker.getImplicitMapModifier(Kind); | |||
5786 | ImplicitMapModifiers[VC].append(ImplicitModifier.begin(), | |||
5787 | ImplicitModifier.end()); | |||
5788 | std::fill_n(std::back_inserter(ImplicitMapModifiersLoc[VC]), | |||
5789 | ImplicitModifier.size(), PresentModifierLocs[VC]); | |||
5790 | } | |||
5791 | // Mark taskgroup task_reduction descriptors as implicitly firstprivate. | |||
5792 | for (OMPClause *C : Clauses) { | |||
5793 | if (auto *IRC = dyn_cast<OMPInReductionClause>(C)) { | |||
5794 | for (Expr *E : IRC->taskgroup_descriptors()) | |||
5795 | if (E) | |||
5796 | ImplicitFirstprivates.emplace_back(E); | |||
5797 | } | |||
5798 | // OpenMP 5.0, 2.10.1 task Construct | |||
5799 | // [detach clause]... The event-handle will be considered as if it was | |||
5800 | // specified on a firstprivate clause. | |||
5801 | if (auto *DC = dyn_cast<OMPDetachClause>(C)) | |||
5802 | ImplicitFirstprivates.push_back(DC->getEventHandler()); | |||
5803 | } | |||
5804 | if (!ImplicitFirstprivates.empty()) { | |||
5805 | if (OMPClause *Implicit = ActOnOpenMPFirstprivateClause( | |||
5806 | ImplicitFirstprivates, SourceLocation(), SourceLocation(), | |||
5807 | SourceLocation())) { | |||
5808 | ClausesWithImplicit.push_back(Implicit); | |||
5809 | ErrorFound = cast<OMPFirstprivateClause>(Implicit)->varlist_size() != | |||
5810 | ImplicitFirstprivates.size(); | |||
5811 | } else { | |||
5812 | ErrorFound = true; | |||
5813 | } | |||
5814 | } | |||
5815 | for (unsigned I = 0, E = DefaultmapKindNum; I < E; ++I) { | |||
5816 | int ClauseKindCnt = -1; | |||
5817 | for (ArrayRef<Expr *> ImplicitMap : ImplicitMaps[I]) { | |||
5818 | ++ClauseKindCnt; | |||
5819 | if (ImplicitMap.empty()) | |||
5820 | continue; | |||
5821 | CXXScopeSpec MapperIdScopeSpec; | |||
5822 | DeclarationNameInfo MapperId; | |||
5823 | auto Kind = static_cast<OpenMPMapClauseKind>(ClauseKindCnt); | |||
5824 | if (OMPClause *Implicit = ActOnOpenMPMapClause( | |||
5825 | ImplicitMapModifiers[I], ImplicitMapModifiersLoc[I], | |||
5826 | MapperIdScopeSpec, MapperId, Kind, /*IsMapTypeImplicit=*/true, | |||
5827 | SourceLocation(), SourceLocation(), ImplicitMap, | |||
5828 | OMPVarListLocTy())) { | |||
5829 | ClausesWithImplicit.emplace_back(Implicit); | |||
5830 | ErrorFound |= cast<OMPMapClause>(Implicit)->varlist_size() != | |||
5831 | ImplicitMap.size(); | |||
5832 | } else { | |||
5833 | ErrorFound = true; | |||
5834 | } | |||
5835 | } | |||
5836 | } | |||
5837 | // Build expressions for implicit maps of data members with 'default' | |||
5838 | // mappers. | |||
5839 | if (LangOpts.OpenMP >= 50) | |||
5840 | processImplicitMapsWithDefaultMappers(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
5841 | ClausesWithImplicit); | |||
5842 | } | |||
5843 | ||||
5844 | llvm::SmallVector<OpenMPDirectiveKind, 4> AllowedNameModifiers; | |||
5845 | switch (Kind) { | |||
5846 | case OMPD_parallel: | |||
5847 | Res = ActOnOpenMPParallelDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
5848 | EndLoc); | |||
5849 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
5850 | break; | |||
5851 | case OMPD_simd: | |||
5852 | Res = ActOnOpenMPSimdDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc, | |||
5853 | VarsWithInheritedDSA); | |||
5854 | if (LangOpts.OpenMP >= 50) | |||
5855 | AllowedNameModifiers.push_back(OMPD_simd); | |||
5856 | break; | |||
5857 | case OMPD_tile: | |||
5858 | Res = | |||
5859 | ActOnOpenMPTileDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); | |||
5860 | break; | |||
5861 | case OMPD_unroll: | |||
5862 | Res = ActOnOpenMPUnrollDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
5863 | EndLoc); | |||
5864 | break; | |||
5865 | case OMPD_for: | |||
5866 | Res = ActOnOpenMPForDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc, | |||
5867 | VarsWithInheritedDSA); | |||
5868 | break; | |||
5869 | case OMPD_for_simd: | |||
5870 | Res = ActOnOpenMPForSimdDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
5871 | EndLoc, VarsWithInheritedDSA); | |||
5872 | if (LangOpts.OpenMP >= 50) | |||
5873 | AllowedNameModifiers.push_back(OMPD_simd); | |||
5874 | break; | |||
5875 | case OMPD_sections: | |||
5876 | Res = ActOnOpenMPSectionsDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
5877 | EndLoc); | |||
5878 | break; | |||
5879 | case OMPD_section: | |||
5880 | assert(ClausesWithImplicit.empty() &&((void)0) | |||
5881 | "No clauses are allowed for 'omp section' directive")((void)0); | |||
5882 | Res = ActOnOpenMPSectionDirective(AStmt, StartLoc, EndLoc); | |||
5883 | break; | |||
5884 | case OMPD_single: | |||
5885 | Res = ActOnOpenMPSingleDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
5886 | EndLoc); | |||
5887 | break; | |||
5888 | case OMPD_master: | |||
5889 | assert(ClausesWithImplicit.empty() &&((void)0) | |||
5890 | "No clauses are allowed for 'omp master' directive")((void)0); | |||
5891 | Res = ActOnOpenMPMasterDirective(AStmt, StartLoc, EndLoc); | |||
5892 | break; | |||
5893 | case OMPD_masked: | |||
5894 | Res = ActOnOpenMPMaskedDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
5895 | EndLoc); | |||
5896 | break; | |||
5897 | case OMPD_critical: | |||
5898 | Res = ActOnOpenMPCriticalDirective(DirName, ClausesWithImplicit, AStmt, | |||
5899 | StartLoc, EndLoc); | |||
5900 | break; | |||
5901 | case OMPD_parallel_for: | |||
5902 | Res = ActOnOpenMPParallelForDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
5903 | EndLoc, VarsWithInheritedDSA); | |||
5904 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
5905 | break; | |||
5906 | case OMPD_parallel_for_simd: | |||
5907 | Res = ActOnOpenMPParallelForSimdDirective( | |||
5908 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
5909 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
5910 | if (LangOpts.OpenMP >= 50) | |||
5911 | AllowedNameModifiers.push_back(OMPD_simd); | |||
5912 | break; | |||
5913 | case OMPD_parallel_master: | |||
5914 | Res = ActOnOpenMPParallelMasterDirective(ClausesWithImplicit, AStmt, | |||
5915 | StartLoc, EndLoc); | |||
5916 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
5917 | break; | |||
5918 | case OMPD_parallel_sections: | |||
5919 | Res = ActOnOpenMPParallelSectionsDirective(ClausesWithImplicit, AStmt, | |||
5920 | StartLoc, EndLoc); | |||
5921 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
5922 | break; | |||
5923 | case OMPD_task: | |||
5924 | Res = | |||
5925 | ActOnOpenMPTaskDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); | |||
5926 | AllowedNameModifiers.push_back(OMPD_task); | |||
5927 | break; | |||
5928 | case OMPD_taskyield: | |||
5929 | assert(ClausesWithImplicit.empty() &&((void)0) | |||
5930 | "No clauses are allowed for 'omp taskyield' directive")((void)0); | |||
5931 | assert(AStmt == nullptr &&((void)0) | |||
5932 | "No associated statement allowed for 'omp taskyield' directive")((void)0); | |||
5933 | Res = ActOnOpenMPTaskyieldDirective(StartLoc, EndLoc); | |||
5934 | break; | |||
5935 | case OMPD_barrier: | |||
5936 | assert(ClausesWithImplicit.empty() &&((void)0) | |||
5937 | "No clauses are allowed for 'omp barrier' directive")((void)0); | |||
5938 | assert(AStmt == nullptr &&((void)0) | |||
5939 | "No associated statement allowed for 'omp barrier' directive")((void)0); | |||
5940 | Res = ActOnOpenMPBarrierDirective(StartLoc, EndLoc); | |||
5941 | break; | |||
5942 | case OMPD_taskwait: | |||
5943 | assert(ClausesWithImplicit.empty() &&((void)0) | |||
5944 | "No clauses are allowed for 'omp taskwait' directive")((void)0); | |||
5945 | assert(AStmt == nullptr &&((void)0) | |||
5946 | "No associated statement allowed for 'omp taskwait' directive")((void)0); | |||
5947 | Res = ActOnOpenMPTaskwaitDirective(StartLoc, EndLoc); | |||
5948 | break; | |||
5949 | case OMPD_taskgroup: | |||
5950 | Res = ActOnOpenMPTaskgroupDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
5951 | EndLoc); | |||
5952 | break; | |||
5953 | case OMPD_flush: | |||
5954 | assert(AStmt == nullptr &&((void)0) | |||
5955 | "No associated statement allowed for 'omp flush' directive")((void)0); | |||
5956 | Res = ActOnOpenMPFlushDirective(ClausesWithImplicit, StartLoc, EndLoc); | |||
5957 | break; | |||
5958 | case OMPD_depobj: | |||
5959 | assert(AStmt == nullptr &&((void)0) | |||
5960 | "No associated statement allowed for 'omp depobj' directive")((void)0); | |||
5961 | Res = ActOnOpenMPDepobjDirective(ClausesWithImplicit, StartLoc, EndLoc); | |||
5962 | break; | |||
5963 | case OMPD_scan: | |||
5964 | assert(AStmt == nullptr &&((void)0) | |||
5965 | "No associated statement allowed for 'omp scan' directive")((void)0); | |||
5966 | Res = ActOnOpenMPScanDirective(ClausesWithImplicit, StartLoc, EndLoc); | |||
5967 | break; | |||
5968 | case OMPD_ordered: | |||
5969 | Res = ActOnOpenMPOrderedDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
5970 | EndLoc); | |||
5971 | break; | |||
5972 | case OMPD_atomic: | |||
5973 | Res = ActOnOpenMPAtomicDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
5974 | EndLoc); | |||
5975 | break; | |||
5976 | case OMPD_teams: | |||
5977 | Res = | |||
5978 | ActOnOpenMPTeamsDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); | |||
5979 | break; | |||
5980 | case OMPD_target: | |||
5981 | Res = ActOnOpenMPTargetDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
5982 | EndLoc); | |||
5983 | AllowedNameModifiers.push_back(OMPD_target); | |||
5984 | break; | |||
5985 | case OMPD_target_parallel: | |||
5986 | Res = ActOnOpenMPTargetParallelDirective(ClausesWithImplicit, AStmt, | |||
5987 | StartLoc, EndLoc); | |||
5988 | AllowedNameModifiers.push_back(OMPD_target); | |||
5989 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
5990 | break; | |||
5991 | case OMPD_target_parallel_for: | |||
5992 | Res = ActOnOpenMPTargetParallelForDirective( | |||
5993 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
5994 | AllowedNameModifiers.push_back(OMPD_target); | |||
5995 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
5996 | break; | |||
5997 | case OMPD_cancellation_point: | |||
5998 | assert(ClausesWithImplicit.empty() &&((void)0) | |||
5999 | "No clauses are allowed for 'omp cancellation point' directive")((void)0); | |||
6000 | assert(AStmt == nullptr && "No associated statement allowed for 'omp "((void)0) | |||
6001 | "cancellation point' directive")((void)0); | |||
6002 | Res = ActOnOpenMPCancellationPointDirective(StartLoc, EndLoc, CancelRegion); | |||
6003 | break; | |||
6004 | case OMPD_cancel: | |||
6005 | assert(AStmt == nullptr &&((void)0) | |||
6006 | "No associated statement allowed for 'omp cancel' directive")((void)0); | |||
6007 | Res = ActOnOpenMPCancelDirective(ClausesWithImplicit, StartLoc, EndLoc, | |||
6008 | CancelRegion); | |||
6009 | AllowedNameModifiers.push_back(OMPD_cancel); | |||
6010 | break; | |||
6011 | case OMPD_target_data: | |||
6012 | Res = ActOnOpenMPTargetDataDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
6013 | EndLoc); | |||
6014 | AllowedNameModifiers.push_back(OMPD_target_data); | |||
6015 | break; | |||
6016 | case OMPD_target_enter_data: | |||
6017 | Res = ActOnOpenMPTargetEnterDataDirective(ClausesWithImplicit, StartLoc, | |||
6018 | EndLoc, AStmt); | |||
6019 | AllowedNameModifiers.push_back(OMPD_target_enter_data); | |||
6020 | break; | |||
6021 | case OMPD_target_exit_data: | |||
6022 | Res = ActOnOpenMPTargetExitDataDirective(ClausesWithImplicit, StartLoc, | |||
6023 | EndLoc, AStmt); | |||
6024 | AllowedNameModifiers.push_back(OMPD_target_exit_data); | |||
6025 | break; | |||
6026 | case OMPD_taskloop: | |||
6027 | Res = ActOnOpenMPTaskLoopDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
6028 | EndLoc, VarsWithInheritedDSA); | |||
6029 | AllowedNameModifiers.push_back(OMPD_taskloop); | |||
6030 | break; | |||
6031 | case OMPD_taskloop_simd: | |||
6032 | Res = ActOnOpenMPTaskLoopSimdDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
6033 | EndLoc, VarsWithInheritedDSA); | |||
6034 | AllowedNameModifiers.push_back(OMPD_taskloop); | |||
6035 | if (LangOpts.OpenMP >= 50) | |||
6036 | AllowedNameModifiers.push_back(OMPD_simd); | |||
6037 | break; | |||
6038 | case OMPD_master_taskloop: | |||
6039 | Res = ActOnOpenMPMasterTaskLoopDirective( | |||
6040 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
6041 | AllowedNameModifiers.push_back(OMPD_taskloop); | |||
6042 | break; | |||
6043 | case OMPD_master_taskloop_simd: | |||
6044 | Res = ActOnOpenMPMasterTaskLoopSimdDirective( | |||
6045 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
6046 | AllowedNameModifiers.push_back(OMPD_taskloop); | |||
6047 | if (LangOpts.OpenMP >= 50) | |||
6048 | AllowedNameModifiers.push_back(OMPD_simd); | |||
6049 | break; | |||
6050 | case OMPD_parallel_master_taskloop: | |||
6051 | Res = ActOnOpenMPParallelMasterTaskLoopDirective( | |||
6052 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
6053 | AllowedNameModifiers.push_back(OMPD_taskloop); | |||
6054 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
6055 | break; | |||
6056 | case OMPD_parallel_master_taskloop_simd: | |||
6057 | Res = ActOnOpenMPParallelMasterTaskLoopSimdDirective( | |||
6058 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
6059 | AllowedNameModifiers.push_back(OMPD_taskloop); | |||
6060 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
6061 | if (LangOpts.OpenMP >= 50) | |||
6062 | AllowedNameModifiers.push_back(OMPD_simd); | |||
6063 | break; | |||
6064 | case OMPD_distribute: | |||
6065 | Res = ActOnOpenMPDistributeDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
6066 | EndLoc, VarsWithInheritedDSA); | |||
6067 | break; | |||
6068 | case OMPD_target_update: | |||
6069 | Res = ActOnOpenMPTargetUpdateDirective(ClausesWithImplicit, StartLoc, | |||
6070 | EndLoc, AStmt); | |||
6071 | AllowedNameModifiers.push_back(OMPD_target_update); | |||
6072 | break; | |||
6073 | case OMPD_distribute_parallel_for: | |||
6074 | Res = ActOnOpenMPDistributeParallelForDirective( | |||
6075 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
6076 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
6077 | break; | |||
6078 | case OMPD_distribute_parallel_for_simd: | |||
6079 | Res = ActOnOpenMPDistributeParallelForSimdDirective( | |||
6080 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
6081 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
6082 | if (LangOpts.OpenMP >= 50) | |||
6083 | AllowedNameModifiers.push_back(OMPD_simd); | |||
6084 | break; | |||
6085 | case OMPD_distribute_simd: | |||
6086 | Res = ActOnOpenMPDistributeSimdDirective( | |||
6087 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
6088 | if (LangOpts.OpenMP >= 50) | |||
6089 | AllowedNameModifiers.push_back(OMPD_simd); | |||
6090 | break; | |||
6091 | case OMPD_target_parallel_for_simd: | |||
6092 | Res = ActOnOpenMPTargetParallelForSimdDirective( | |||
6093 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
6094 | AllowedNameModifiers.push_back(OMPD_target); | |||
6095 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
6096 | if (LangOpts.OpenMP >= 50) | |||
6097 | AllowedNameModifiers.push_back(OMPD_simd); | |||
6098 | break; | |||
6099 | case OMPD_target_simd: | |||
6100 | Res = ActOnOpenMPTargetSimdDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
6101 | EndLoc, VarsWithInheritedDSA); | |||
6102 | AllowedNameModifiers.push_back(OMPD_target); | |||
6103 | if (LangOpts.OpenMP >= 50) | |||
6104 | AllowedNameModifiers.push_back(OMPD_simd); | |||
6105 | break; | |||
6106 | case OMPD_teams_distribute: | |||
6107 | Res = ActOnOpenMPTeamsDistributeDirective( | |||
6108 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
6109 | break; | |||
6110 | case OMPD_teams_distribute_simd: | |||
6111 | Res = ActOnOpenMPTeamsDistributeSimdDirective( | |||
6112 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
6113 | if (LangOpts.OpenMP >= 50) | |||
6114 | AllowedNameModifiers.push_back(OMPD_simd); | |||
6115 | break; | |||
6116 | case OMPD_teams_distribute_parallel_for_simd: | |||
6117 | Res = ActOnOpenMPTeamsDistributeParallelForSimdDirective( | |||
6118 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
6119 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
6120 | if (LangOpts.OpenMP >= 50) | |||
6121 | AllowedNameModifiers.push_back(OMPD_simd); | |||
6122 | break; | |||
6123 | case OMPD_teams_distribute_parallel_for: | |||
6124 | Res = ActOnOpenMPTeamsDistributeParallelForDirective( | |||
6125 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
6126 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
6127 | break; | |||
6128 | case OMPD_target_teams: | |||
6129 | Res = ActOnOpenMPTargetTeamsDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
6130 | EndLoc); | |||
6131 | AllowedNameModifiers.push_back(OMPD_target); | |||
6132 | break; | |||
6133 | case OMPD_target_teams_distribute: | |||
6134 | Res = ActOnOpenMPTargetTeamsDistributeDirective( | |||
6135 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
6136 | AllowedNameModifiers.push_back(OMPD_target); | |||
6137 | break; | |||
6138 | case OMPD_target_teams_distribute_parallel_for: | |||
6139 | Res = ActOnOpenMPTargetTeamsDistributeParallelForDirective( | |||
6140 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
6141 | AllowedNameModifiers.push_back(OMPD_target); | |||
6142 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
6143 | break; | |||
6144 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
6145 | Res = ActOnOpenMPTargetTeamsDistributeParallelForSimdDirective( | |||
6146 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
6147 | AllowedNameModifiers.push_back(OMPD_target); | |||
6148 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
6149 | if (LangOpts.OpenMP >= 50) | |||
6150 | AllowedNameModifiers.push_back(OMPD_simd); | |||
6151 | break; | |||
6152 | case OMPD_target_teams_distribute_simd: | |||
6153 | Res = ActOnOpenMPTargetTeamsDistributeSimdDirective( | |||
6154 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
6155 | AllowedNameModifiers.push_back(OMPD_target); | |||
6156 | if (LangOpts.OpenMP >= 50) | |||
6157 | AllowedNameModifiers.push_back(OMPD_simd); | |||
6158 | break; | |||
6159 | case OMPD_interop: | |||
6160 | assert(AStmt == nullptr &&((void)0) | |||
6161 | "No associated statement allowed for 'omp interop' directive")((void)0); | |||
6162 | Res = ActOnOpenMPInteropDirective(ClausesWithImplicit, StartLoc, EndLoc); | |||
6163 | break; | |||
6164 | case OMPD_dispatch: | |||
6165 | Res = ActOnOpenMPDispatchDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
6166 | EndLoc); | |||
6167 | break; | |||
6168 | case OMPD_declare_target: | |||
6169 | case OMPD_end_declare_target: | |||
6170 | case OMPD_threadprivate: | |||
6171 | case OMPD_allocate: | |||
6172 | case OMPD_declare_reduction: | |||
6173 | case OMPD_declare_mapper: | |||
6174 | case OMPD_declare_simd: | |||
6175 | case OMPD_requires: | |||
6176 | case OMPD_declare_variant: | |||
6177 | case OMPD_begin_declare_variant: | |||
6178 | case OMPD_end_declare_variant: | |||
6179 | llvm_unreachable("OpenMP Directive is not allowed")__builtin_unreachable(); | |||
6180 | case OMPD_unknown: | |||
6181 | default: | |||
6182 | llvm_unreachable("Unknown OpenMP directive")__builtin_unreachable(); | |||
6183 | } | |||
6184 | ||||
6185 | ErrorFound = Res.isInvalid() || ErrorFound; | |||
6186 | ||||
6187 | // Check variables in the clauses if default(none) or | |||
6188 | // default(firstprivate) was specified. | |||
6189 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_none || | |||
6190 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_firstprivate) { | |||
6191 | DSAAttrChecker DSAChecker(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), *this, nullptr); | |||
6192 | for (OMPClause *C : Clauses) { | |||
6193 | switch (C->getClauseKind()) { | |||
6194 | case OMPC_num_threads: | |||
6195 | case OMPC_dist_schedule: | |||
6196 | // Do not analyse if no parent teams directive. | |||
6197 | if (isOpenMPTeamsDirective(Kind)) | |||
6198 | break; | |||
6199 | continue; | |||
6200 | case OMPC_if: | |||
6201 | if (isOpenMPTeamsDirective(Kind) && | |||
6202 | cast<OMPIfClause>(C)->getNameModifier() != OMPD_target) | |||
6203 | break; | |||
6204 | if (isOpenMPParallelDirective(Kind) && | |||
6205 | isOpenMPTaskLoopDirective(Kind) && | |||
6206 | cast<OMPIfClause>(C)->getNameModifier() != OMPD_parallel) | |||
6207 | break; | |||
6208 | continue; | |||
6209 | case OMPC_schedule: | |||
6210 | case OMPC_detach: | |||
6211 | break; | |||
6212 | case OMPC_grainsize: | |||
6213 | case OMPC_num_tasks: | |||
6214 | case OMPC_final: | |||
6215 | case OMPC_priority: | |||
6216 | case OMPC_novariants: | |||
6217 | case OMPC_nocontext: | |||
6218 | // Do not analyze if no parent parallel directive. | |||
6219 | if (isOpenMPParallelDirective(Kind)) | |||
6220 | break; | |||
6221 | continue; | |||
6222 | case OMPC_ordered: | |||
6223 | case OMPC_device: | |||
6224 | case OMPC_num_teams: | |||
6225 | case OMPC_thread_limit: | |||
6226 | case OMPC_hint: | |||
6227 | case OMPC_collapse: | |||
6228 | case OMPC_safelen: | |||
6229 | case OMPC_simdlen: | |||
6230 | case OMPC_sizes: | |||
6231 | case OMPC_default: | |||
6232 | case OMPC_proc_bind: | |||
6233 | case OMPC_private: | |||
6234 | case OMPC_firstprivate: | |||
6235 | case OMPC_lastprivate: | |||
6236 | case OMPC_shared: | |||
6237 | case OMPC_reduction: | |||
6238 | case OMPC_task_reduction: | |||
6239 | case OMPC_in_reduction: | |||
6240 | case OMPC_linear: | |||
6241 | case OMPC_aligned: | |||
6242 | case OMPC_copyin: | |||
6243 | case OMPC_copyprivate: | |||
6244 | case OMPC_nowait: | |||
6245 | case OMPC_untied: | |||
6246 | case OMPC_mergeable: | |||
6247 | case OMPC_allocate: | |||
6248 | case OMPC_read: | |||
6249 | case OMPC_write: | |||
6250 | case OMPC_update: | |||
6251 | case OMPC_capture: | |||
6252 | case OMPC_seq_cst: | |||
6253 | case OMPC_acq_rel: | |||
6254 | case OMPC_acquire: | |||
6255 | case OMPC_release: | |||
6256 | case OMPC_relaxed: | |||
6257 | case OMPC_depend: | |||
6258 | case OMPC_threads: | |||
6259 | case OMPC_simd: | |||
6260 | case OMPC_map: | |||
6261 | case OMPC_nogroup: | |||
6262 | case OMPC_defaultmap: | |||
6263 | case OMPC_to: | |||
6264 | case OMPC_from: | |||
6265 | case OMPC_use_device_ptr: | |||
6266 | case OMPC_use_device_addr: | |||
6267 | case OMPC_is_device_ptr: | |||
6268 | case OMPC_nontemporal: | |||
6269 | case OMPC_order: | |||
6270 | case OMPC_destroy: | |||
6271 | case OMPC_inclusive: | |||
6272 | case OMPC_exclusive: | |||
6273 | case OMPC_uses_allocators: | |||
6274 | case OMPC_affinity: | |||
6275 | continue; | |||
6276 | case OMPC_allocator: | |||
6277 | case OMPC_flush: | |||
6278 | case OMPC_depobj: | |||
6279 | case OMPC_threadprivate: | |||
6280 | case OMPC_uniform: | |||
6281 | case OMPC_unknown: | |||
6282 | case OMPC_unified_address: | |||
6283 | case OMPC_unified_shared_memory: | |||
6284 | case OMPC_reverse_offload: | |||
6285 | case OMPC_dynamic_allocators: | |||
6286 | case OMPC_atomic_default_mem_order: | |||
6287 | case OMPC_device_type: | |||
6288 | case OMPC_match: | |||
6289 | default: | |||
6290 | llvm_unreachable("Unexpected clause")__builtin_unreachable(); | |||
6291 | } | |||
6292 | for (Stmt *CC : C->children()) { | |||
6293 | if (CC) | |||
6294 | DSAChecker.Visit(CC); | |||
6295 | } | |||
6296 | } | |||
6297 | for (const auto &P : DSAChecker.getVarsWithInheritedDSA()) | |||
6298 | VarsWithInheritedDSA[P.getFirst()] = P.getSecond(); | |||
6299 | } | |||
6300 | for (const auto &P : VarsWithInheritedDSA) { | |||
6301 | if (P.getFirst()->isImplicit() || isa<OMPCapturedExprDecl>(P.getFirst())) | |||
6302 | continue; | |||
6303 | ErrorFound = true; | |||
6304 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_none || | |||
6305 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_firstprivate) { | |||
6306 | Diag(P.second->getExprLoc(), diag::err_omp_no_dsa_for_variable) | |||
6307 | << P.first << P.second->getSourceRange(); | |||
6308 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSALocation(), diag::note_omp_default_dsa_none); | |||
6309 | } else if (getLangOpts().OpenMP >= 50) { | |||
6310 | Diag(P.second->getExprLoc(), | |||
6311 | diag::err_omp_defaultmap_no_attr_for_variable) | |||
6312 | << P.first << P.second->getSourceRange(); | |||
6313 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSALocation(), | |||
6314 | diag::note_omp_defaultmap_attr_none); | |||
6315 | } | |||
6316 | } | |||
6317 | ||||
6318 | if (!AllowedNameModifiers.empty()) | |||
6319 | ErrorFound = checkIfClauses(*this, Kind, Clauses, AllowedNameModifiers) || | |||
6320 | ErrorFound; | |||
6321 | ||||
6322 | if (ErrorFound) | |||
6323 | return StmtError(); | |||
6324 | ||||
6325 | if (!CurContext->isDependentContext() && | |||
6326 | isOpenMPTargetExecutionDirective(Kind) && | |||
6327 | !(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPUnifiedSharedMemoryClause>() || | |||
6328 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPUnifiedAddressClause>() || | |||
6329 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPReverseOffloadClause>() || | |||
6330 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPDynamicAllocatorsClause>())) { | |||
6331 | // Register target to DSA Stack. | |||
6332 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addTargetDirLocation(StartLoc); | |||
6333 | } | |||
6334 | ||||
6335 | return Res; | |||
6336 | } | |||
6337 | ||||
6338 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareSimdDirective( | |||
6339 | DeclGroupPtrTy DG, OMPDeclareSimdDeclAttr::BranchStateTy BS, Expr *Simdlen, | |||
6340 | ArrayRef<Expr *> Uniforms, ArrayRef<Expr *> Aligneds, | |||
6341 | ArrayRef<Expr *> Alignments, ArrayRef<Expr *> Linears, | |||
6342 | ArrayRef<unsigned> LinModifiers, ArrayRef<Expr *> Steps, SourceRange SR) { | |||
6343 | assert(Aligneds.size() == Alignments.size())((void)0); | |||
6344 | assert(Linears.size() == LinModifiers.size())((void)0); | |||
6345 | assert(Linears.size() == Steps.size())((void)0); | |||
6346 | if (!DG || DG.get().isNull()) | |||
6347 | return DeclGroupPtrTy(); | |||
6348 | ||||
6349 | const int SimdId = 0; | |||
6350 | if (!DG.get().isSingleDecl()) { | |||
6351 | Diag(SR.getBegin(), diag::err_omp_single_decl_in_declare_simd_variant) | |||
6352 | << SimdId; | |||
6353 | return DG; | |||
6354 | } | |||
6355 | Decl *ADecl = DG.get().getSingleDecl(); | |||
6356 | if (auto *FTD = dyn_cast<FunctionTemplateDecl>(ADecl)) | |||
6357 | ADecl = FTD->getTemplatedDecl(); | |||
6358 | ||||
6359 | auto *FD = dyn_cast<FunctionDecl>(ADecl); | |||
6360 | if (!FD) { | |||
6361 | Diag(ADecl->getLocation(), diag::err_omp_function_expected) << SimdId; | |||
6362 | return DeclGroupPtrTy(); | |||
6363 | } | |||
6364 | ||||
6365 | // OpenMP [2.8.2, declare simd construct, Description] | |||
6366 | // The parameter of the simdlen clause must be a constant positive integer | |||
6367 | // expression. | |||
6368 | ExprResult SL; | |||
6369 | if (Simdlen) | |||
6370 | SL = VerifyPositiveIntegerConstantInClause(Simdlen, OMPC_simdlen); | |||
6371 | // OpenMP [2.8.2, declare simd construct, Description] | |||
6372 | // The special this pointer can be used as if was one of the arguments to the | |||
6373 | // function in any of the linear, aligned, or uniform clauses. | |||
6374 | // The uniform clause declares one or more arguments to have an invariant | |||
6375 | // value for all concurrent invocations of the function in the execution of a | |||
6376 | // single SIMD loop. | |||
6377 | llvm::DenseMap<const Decl *, const Expr *> UniformedArgs; | |||
6378 | const Expr *UniformedLinearThis = nullptr; | |||
6379 | for (const Expr *E : Uniforms) { | |||
6380 | E = E->IgnoreParenImpCasts(); | |||
6381 | if (const auto *DRE = dyn_cast<DeclRefExpr>(E)) | |||
6382 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) | |||
6383 | if (FD->getNumParams() > PVD->getFunctionScopeIndex() && | |||
6384 | FD->getParamDecl(PVD->getFunctionScopeIndex()) | |||
6385 | ->getCanonicalDecl() == PVD->getCanonicalDecl()) { | |||
6386 | UniformedArgs.try_emplace(PVD->getCanonicalDecl(), E); | |||
6387 | continue; | |||
6388 | } | |||
6389 | if (isa<CXXThisExpr>(E)) { | |||
6390 | UniformedLinearThis = E; | |||
6391 | continue; | |||
6392 | } | |||
6393 | Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) | |||
6394 | << FD->getDeclName() << (isa<CXXMethodDecl>(ADecl) ? 1 : 0); | |||
6395 | } | |||
6396 | // OpenMP [2.8.2, declare simd construct, Description] | |||
6397 | // The aligned clause declares that the object to which each list item points | |||
6398 | // is aligned to the number of bytes expressed in the optional parameter of | |||
6399 | // the aligned clause. | |||
6400 | // The special this pointer can be used as if was one of the arguments to the | |||
6401 | // function in any of the linear, aligned, or uniform clauses. | |||
6402 | // The type of list items appearing in the aligned clause must be array, | |||
6403 | // pointer, reference to array, or reference to pointer. | |||
6404 | llvm::DenseMap<const Decl *, const Expr *> AlignedArgs; | |||
6405 | const Expr *AlignedThis = nullptr; | |||
6406 | for (const Expr *E : Aligneds) { | |||
6407 | E = E->IgnoreParenImpCasts(); | |||
6408 | if (const auto *DRE = dyn_cast<DeclRefExpr>(E)) | |||
6409 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) { | |||
6410 | const VarDecl *CanonPVD = PVD->getCanonicalDecl(); | |||
6411 | if (FD->getNumParams() > PVD->getFunctionScopeIndex() && | |||
6412 | FD->getParamDecl(PVD->getFunctionScopeIndex()) | |||
6413 | ->getCanonicalDecl() == CanonPVD) { | |||
6414 | // OpenMP [2.8.1, simd construct, Restrictions] | |||
6415 | // A list-item cannot appear in more than one aligned clause. | |||
6416 | if (AlignedArgs.count(CanonPVD) > 0) { | |||
6417 | Diag(E->getExprLoc(), diag::err_omp_used_in_clause_twice) | |||
6418 | << 1 << getOpenMPClauseName(OMPC_aligned) | |||
6419 | << E->getSourceRange(); | |||
6420 | Diag(AlignedArgs[CanonPVD]->getExprLoc(), | |||
6421 | diag::note_omp_explicit_dsa) | |||
6422 | << getOpenMPClauseName(OMPC_aligned); | |||
6423 | continue; | |||
6424 | } | |||
6425 | AlignedArgs[CanonPVD] = E; | |||
6426 | QualType QTy = PVD->getType() | |||
6427 | .getNonReferenceType() | |||
6428 | .getUnqualifiedType() | |||
6429 | .getCanonicalType(); | |||
6430 | const Type *Ty = QTy.getTypePtrOrNull(); | |||
6431 | if (!Ty || (!Ty->isArrayType() && !Ty->isPointerType())) { | |||
6432 | Diag(E->getExprLoc(), diag::err_omp_aligned_expected_array_or_ptr) | |||
6433 | << QTy << getLangOpts().CPlusPlus << E->getSourceRange(); | |||
6434 | Diag(PVD->getLocation(), diag::note_previous_decl) << PVD; | |||
6435 | } | |||
6436 | continue; | |||
6437 | } | |||
6438 | } | |||
6439 | if (isa<CXXThisExpr>(E)) { | |||
6440 | if (AlignedThis) { | |||
6441 | Diag(E->getExprLoc(), diag::err_omp_used_in_clause_twice) | |||
6442 | << 2 << getOpenMPClauseName(OMPC_aligned) << E->getSourceRange(); | |||
6443 | Diag(AlignedThis->getExprLoc(), diag::note_omp_explicit_dsa) | |||
6444 | << getOpenMPClauseName(OMPC_aligned); | |||
6445 | } | |||
6446 | AlignedThis = E; | |||
6447 | continue; | |||
6448 | } | |||
6449 | Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) | |||
6450 | << FD->getDeclName() << (isa<CXXMethodDecl>(ADecl) ? 1 : 0); | |||
6451 | } | |||
6452 | // The optional parameter of the aligned clause, alignment, must be a constant | |||
6453 | // positive integer expression. If no optional parameter is specified, | |||
6454 | // implementation-defined default alignments for SIMD instructions on the | |||
6455 | // target platforms are assumed. | |||
6456 | SmallVector<const Expr *, 4> NewAligns; | |||
6457 | for (Expr *E : Alignments) { | |||
6458 | ExprResult Align; | |||
6459 | if (E) | |||
6460 | Align = VerifyPositiveIntegerConstantInClause(E, OMPC_aligned); | |||
6461 | NewAligns.push_back(Align.get()); | |||
6462 | } | |||
6463 | // OpenMP [2.8.2, declare simd construct, Description] | |||
6464 | // The linear clause declares one or more list items to be private to a SIMD | |||
6465 | // lane and to have a linear relationship with respect to the iteration space | |||
6466 | // of a loop. | |||
6467 | // The special this pointer can be used as if was one of the arguments to the | |||
6468 | // function in any of the linear, aligned, or uniform clauses. | |||
6469 | // When a linear-step expression is specified in a linear clause it must be | |||
6470 | // either a constant integer expression or an integer-typed parameter that is | |||
6471 | // specified in a uniform clause on the directive. | |||
6472 | llvm::DenseMap<const Decl *, const Expr *> LinearArgs; | |||
6473 | const bool IsUniformedThis = UniformedLinearThis != nullptr; | |||
6474 | auto MI = LinModifiers.begin(); | |||
6475 | for (const Expr *E : Linears) { | |||
6476 | auto LinKind = static_cast<OpenMPLinearClauseKind>(*MI); | |||
6477 | ++MI; | |||
6478 | E = E->IgnoreParenImpCasts(); | |||
6479 | if (const auto *DRE = dyn_cast<DeclRefExpr>(E)) | |||
6480 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) { | |||
6481 | const VarDecl *CanonPVD = PVD->getCanonicalDecl(); | |||
6482 | if (FD->getNumParams() > PVD->getFunctionScopeIndex() && | |||
6483 | FD->getParamDecl(PVD->getFunctionScopeIndex()) | |||
6484 | ->getCanonicalDecl() == CanonPVD) { | |||
6485 | // OpenMP [2.15.3.7, linear Clause, Restrictions] | |||
6486 | // A list-item cannot appear in more than one linear clause. | |||
6487 | if (LinearArgs.count(CanonPVD) > 0) { | |||
6488 | Diag(E->getExprLoc(), diag::err_omp_wrong_dsa) | |||
6489 | << getOpenMPClauseName(OMPC_linear) | |||
6490 | << getOpenMPClauseName(OMPC_linear) << E->getSourceRange(); | |||
6491 | Diag(LinearArgs[CanonPVD]->getExprLoc(), | |||
6492 | diag::note_omp_explicit_dsa) | |||
6493 | << getOpenMPClauseName(OMPC_linear); | |||
6494 | continue; | |||
6495 | } | |||
6496 | // Each argument can appear in at most one uniform or linear clause. | |||
6497 | if (UniformedArgs.count(CanonPVD) > 0) { | |||
6498 | Diag(E->getExprLoc(), diag::err_omp_wrong_dsa) | |||
6499 | << getOpenMPClauseName(OMPC_linear) | |||
6500 | << getOpenMPClauseName(OMPC_uniform) << E->getSourceRange(); | |||
6501 | Diag(UniformedArgs[CanonPVD]->getExprLoc(), | |||
6502 | diag::note_omp_explicit_dsa) | |||
6503 | << getOpenMPClauseName(OMPC_uniform); | |||
6504 | continue; | |||
6505 | } | |||
6506 | LinearArgs[CanonPVD] = E; | |||
6507 | if (E->isValueDependent() || E->isTypeDependent() || | |||
6508 | E->isInstantiationDependent() || | |||
6509 | E->containsUnexpandedParameterPack()) | |||
6510 | continue; | |||
6511 | (void)CheckOpenMPLinearDecl(CanonPVD, E->getExprLoc(), LinKind, | |||
6512 | PVD->getOriginalType(), | |||
6513 | /*IsDeclareSimd=*/true); | |||
6514 | continue; | |||
6515 | } | |||
6516 | } | |||
6517 | if (isa<CXXThisExpr>(E)) { | |||
6518 | if (UniformedLinearThis) { | |||
6519 | Diag(E->getExprLoc(), diag::err_omp_wrong_dsa) | |||
6520 | << getOpenMPClauseName(OMPC_linear) | |||
6521 | << getOpenMPClauseName(IsUniformedThis ? OMPC_uniform : OMPC_linear) | |||
6522 | << E->getSourceRange(); | |||
6523 | Diag(UniformedLinearThis->getExprLoc(), diag::note_omp_explicit_dsa) | |||
6524 | << getOpenMPClauseName(IsUniformedThis ? OMPC_uniform | |||
6525 | : OMPC_linear); | |||
6526 | continue; | |||
6527 | } | |||
6528 | UniformedLinearThis = E; | |||
6529 | if (E->isValueDependent() || E->isTypeDependent() || | |||
6530 | E->isInstantiationDependent() || E->containsUnexpandedParameterPack()) | |||
6531 | continue; | |||
6532 | (void)CheckOpenMPLinearDecl(/*D=*/nullptr, E->getExprLoc(), LinKind, | |||
6533 | E->getType(), /*IsDeclareSimd=*/true); | |||
6534 | continue; | |||
6535 | } | |||
6536 | Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) | |||
6537 | << FD->getDeclName() << (isa<CXXMethodDecl>(ADecl) ? 1 : 0); | |||
6538 | } | |||
6539 | Expr *Step = nullptr; | |||
6540 | Expr *NewStep = nullptr; | |||
6541 | SmallVector<Expr *, 4> NewSteps; | |||
6542 | for (Expr *E : Steps) { | |||
6543 | // Skip the same step expression, it was checked already. | |||
6544 | if (Step == E || !E) { | |||
6545 | NewSteps.push_back(E ? NewStep : nullptr); | |||
6546 | continue; | |||
6547 | } | |||
6548 | Step = E; | |||
6549 | if (const auto *DRE = dyn_cast<DeclRefExpr>(Step)) | |||
6550 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) { | |||
6551 | const VarDecl *CanonPVD = PVD->getCanonicalDecl(); | |||
6552 | if (UniformedArgs.count(CanonPVD) == 0) { | |||
6553 | Diag(Step->getExprLoc(), diag::err_omp_expected_uniform_param) | |||
6554 | << Step->getSourceRange(); | |||
6555 | } else if (E->isValueDependent() || E->isTypeDependent() || | |||
6556 | E->isInstantiationDependent() || | |||
6557 | E->containsUnexpandedParameterPack() || | |||
6558 | CanonPVD->getType()->hasIntegerRepresentation()) { | |||
6559 | NewSteps.push_back(Step); | |||
6560 | } else { | |||
6561 | Diag(Step->getExprLoc(), diag::err_omp_expected_int_param) | |||
6562 | << Step->getSourceRange(); | |||
6563 | } | |||
6564 | continue; | |||
6565 | } | |||
6566 | NewStep = Step; | |||
6567 | if (Step && !Step->isValueDependent() && !Step->isTypeDependent() && | |||
6568 | !Step->isInstantiationDependent() && | |||
6569 | !Step->containsUnexpandedParameterPack()) { | |||
6570 | NewStep = PerformOpenMPImplicitIntegerConversion(Step->getExprLoc(), Step) | |||
6571 | .get(); | |||
6572 | if (NewStep) | |||
6573 | NewStep = | |||
6574 | VerifyIntegerConstantExpression(NewStep, /*FIXME*/ AllowFold).get(); | |||
6575 | } | |||
6576 | NewSteps.push_back(NewStep); | |||
6577 | } | |||
6578 | auto *NewAttr = OMPDeclareSimdDeclAttr::CreateImplicit( | |||
6579 | Context, BS, SL.get(), const_cast<Expr **>(Uniforms.data()), | |||
6580 | Uniforms.size(), const_cast<Expr **>(Aligneds.data()), Aligneds.size(), | |||
6581 | const_cast<Expr **>(NewAligns.data()), NewAligns.size(), | |||
6582 | const_cast<Expr **>(Linears.data()), Linears.size(), | |||
6583 | const_cast<unsigned *>(LinModifiers.data()), LinModifiers.size(), | |||
6584 | NewSteps.data(), NewSteps.size(), SR); | |||
6585 | ADecl->addAttr(NewAttr); | |||
6586 | return DG; | |||
6587 | } | |||
6588 | ||||
6589 | static void setPrototype(Sema &S, FunctionDecl *FD, FunctionDecl *FDWithProto, | |||
6590 | QualType NewType) { | |||
6591 | assert(NewType->isFunctionProtoType() &&((void)0) | |||
6592 | "Expected function type with prototype.")((void)0); | |||
6593 | assert(FD->getType()->isFunctionNoProtoType() &&((void)0) | |||
6594 | "Expected function with type with no prototype.")((void)0); | |||
6595 | assert(FDWithProto->getType()->isFunctionProtoType() &&((void)0) | |||
6596 | "Expected function with prototype.")((void)0); | |||
6597 | // Synthesize parameters with the same types. | |||
6598 | FD->setType(NewType); | |||
6599 | SmallVector<ParmVarDecl *, 16> Params; | |||
6600 | for (const ParmVarDecl *P : FDWithProto->parameters()) { | |||
6601 | auto *Param = ParmVarDecl::Create(S.getASTContext(), FD, SourceLocation(), | |||
6602 | SourceLocation(), nullptr, P->getType(), | |||
6603 | /*TInfo=*/nullptr, SC_None, nullptr); | |||
6604 | Param->setScopeInfo(0, Params.size()); | |||
6605 | Param->setImplicit(); | |||
6606 | Params.push_back(Param); | |||
6607 | } | |||
6608 | ||||
6609 | FD->setParams(Params); | |||
6610 | } | |||
6611 | ||||
6612 | void Sema::ActOnFinishedFunctionDefinitionInOpenMPAssumeScope(Decl *D) { | |||
6613 | if (D->isInvalidDecl()) | |||
6614 | return; | |||
6615 | FunctionDecl *FD = nullptr; | |||
6616 | if (auto *UTemplDecl = dyn_cast<FunctionTemplateDecl>(D)) | |||
6617 | FD = UTemplDecl->getTemplatedDecl(); | |||
6618 | else | |||
6619 | FD = cast<FunctionDecl>(D); | |||
6620 | assert(FD && "Expected a function declaration!")((void)0); | |||
6621 | ||||
6622 | // If we are intantiating templates we do *not* apply scoped assumptions but | |||
6623 | // only global ones. We apply scoped assumption to the template definition | |||
6624 | // though. | |||
6625 | if (!inTemplateInstantiation()) { | |||
6626 | for (AssumptionAttr *AA : OMPAssumeScoped) | |||
6627 | FD->addAttr(AA); | |||
6628 | } | |||
6629 | for (AssumptionAttr *AA : OMPAssumeGlobal) | |||
6630 | FD->addAttr(AA); | |||
6631 | } | |||
6632 | ||||
6633 | Sema::OMPDeclareVariantScope::OMPDeclareVariantScope(OMPTraitInfo &TI) | |||
6634 | : TI(&TI), NameSuffix(TI.getMangledName()) {} | |||
6635 | ||||
6636 | void Sema::ActOnStartOfFunctionDefinitionInOpenMPDeclareVariantScope( | |||
6637 | Scope *S, Declarator &D, MultiTemplateParamsArg TemplateParamLists, | |||
6638 | SmallVectorImpl<FunctionDecl *> &Bases) { | |||
6639 | if (!D.getIdentifier()) | |||
6640 | return; | |||
6641 | ||||
6642 | OMPDeclareVariantScope &DVScope = OMPDeclareVariantScopes.back(); | |||
6643 | ||||
6644 | // Template specialization is an extension, check if we do it. | |||
6645 | bool IsTemplated = !TemplateParamLists.empty(); | |||
6646 | if (IsTemplated & | |||
6647 | !DVScope.TI->isExtensionActive( | |||
6648 | llvm::omp::TraitProperty::implementation_extension_allow_templates)) | |||
6649 | return; | |||
6650 | ||||
6651 | IdentifierInfo *BaseII = D.getIdentifier(); | |||
6652 | LookupResult Lookup(*this, DeclarationName(BaseII), D.getIdentifierLoc(), | |||
6653 | LookupOrdinaryName); | |||
6654 | LookupParsedName(Lookup, S, &D.getCXXScopeSpec()); | |||
6655 | ||||
6656 | TypeSourceInfo *TInfo = GetTypeForDeclarator(D, S); | |||
6657 | QualType FType = TInfo->getType(); | |||
6658 | ||||
6659 | bool IsConstexpr = | |||
6660 | D.getDeclSpec().getConstexprSpecifier() == ConstexprSpecKind::Constexpr; | |||
6661 | bool IsConsteval = | |||
6662 | D.getDeclSpec().getConstexprSpecifier() == ConstexprSpecKind::Consteval; | |||
6663 | ||||
6664 | for (auto *Candidate : Lookup) { | |||
6665 | auto *CandidateDecl = Candidate->getUnderlyingDecl(); | |||
6666 | FunctionDecl *UDecl = nullptr; | |||
6667 | if (IsTemplated && isa<FunctionTemplateDecl>(CandidateDecl)) | |||
6668 | UDecl = cast<FunctionTemplateDecl>(CandidateDecl)->getTemplatedDecl(); | |||
6669 | else if (!IsTemplated) | |||
6670 | UDecl = dyn_cast<FunctionDecl>(CandidateDecl); | |||
6671 | if (!UDecl) | |||
6672 | continue; | |||
6673 | ||||
6674 | // Don't specialize constexpr/consteval functions with | |||
6675 | // non-constexpr/consteval functions. | |||
6676 | if (UDecl->isConstexpr() && !IsConstexpr) | |||
6677 | continue; | |||
6678 | if (UDecl->isConsteval() && !IsConsteval) | |||
6679 | continue; | |||
6680 | ||||
6681 | QualType UDeclTy = UDecl->getType(); | |||
6682 | if (!UDeclTy->isDependentType()) { | |||
6683 | QualType NewType = Context.mergeFunctionTypes( | |||
6684 | FType, UDeclTy, /* OfBlockPointer */ false, | |||
6685 | /* Unqualified */ false, /* AllowCXX */ true); | |||
6686 | if (NewType.isNull()) | |||
6687 | continue; | |||
6688 | } | |||
6689 | ||||
6690 | // Found a base! | |||
6691 | Bases.push_back(UDecl); | |||
6692 | } | |||
6693 | ||||
6694 | bool UseImplicitBase = !DVScope.TI->isExtensionActive( | |||
6695 | llvm::omp::TraitProperty::implementation_extension_disable_implicit_base); | |||
6696 | // If no base was found we create a declaration that we use as base. | |||
6697 | if (Bases.empty() && UseImplicitBase) { | |||
6698 | D.setFunctionDefinitionKind(FunctionDefinitionKind::Declaration); | |||
6699 | Decl *BaseD = HandleDeclarator(S, D, TemplateParamLists); | |||
6700 | BaseD->setImplicit(true); | |||
6701 | if (auto *BaseTemplD = dyn_cast<FunctionTemplateDecl>(BaseD)) | |||
6702 | Bases.push_back(BaseTemplD->getTemplatedDecl()); | |||
6703 | else | |||
6704 | Bases.push_back(cast<FunctionDecl>(BaseD)); | |||
6705 | } | |||
6706 | ||||
6707 | std::string MangledName; | |||
6708 | MangledName += D.getIdentifier()->getName(); | |||
6709 | MangledName += getOpenMPVariantManglingSeparatorStr(); | |||
6710 | MangledName += DVScope.NameSuffix; | |||
6711 | IdentifierInfo &VariantII = Context.Idents.get(MangledName); | |||
6712 | ||||
6713 | VariantII.setMangledOpenMPVariantName(true); | |||
6714 | D.SetIdentifier(&VariantII, D.getBeginLoc()); | |||
6715 | } | |||
6716 | ||||
6717 | void Sema::ActOnFinishedFunctionDefinitionInOpenMPDeclareVariantScope( | |||
6718 | Decl *D, SmallVectorImpl<FunctionDecl *> &Bases) { | |||
6719 | // Do not mark function as is used to prevent its emission if this is the | |||
6720 | // only place where it is used. | |||
6721 | EnterExpressionEvaluationContext Unevaluated( | |||
6722 | *this, Sema::ExpressionEvaluationContext::Unevaluated); | |||
6723 | ||||
6724 | FunctionDecl *FD = nullptr; | |||
6725 | if (auto *UTemplDecl = dyn_cast<FunctionTemplateDecl>(D)) | |||
6726 | FD = UTemplDecl->getTemplatedDecl(); | |||
6727 | else | |||
6728 | FD = cast<FunctionDecl>(D); | |||
6729 | auto *VariantFuncRef = DeclRefExpr::Create( | |||
6730 | Context, NestedNameSpecifierLoc(), SourceLocation(), FD, | |||
6731 | /* RefersToEnclosingVariableOrCapture */ false, | |||
6732 | /* NameLoc */ FD->getLocation(), FD->getType(), | |||
6733 | ExprValueKind::VK_PRValue); | |||
6734 | ||||
6735 | OMPDeclareVariantScope &DVScope = OMPDeclareVariantScopes.back(); | |||
6736 | auto *OMPDeclareVariantA = OMPDeclareVariantAttr::CreateImplicit( | |||
6737 | Context, VariantFuncRef, DVScope.TI); | |||
6738 | for (FunctionDecl *BaseFD : Bases) | |||
6739 | BaseFD->addAttr(OMPDeclareVariantA); | |||
6740 | } | |||
6741 | ||||
6742 | ExprResult Sema::ActOnOpenMPCall(ExprResult Call, Scope *Scope, | |||
6743 | SourceLocation LParenLoc, | |||
6744 | MultiExprArg ArgExprs, | |||
6745 | SourceLocation RParenLoc, Expr *ExecConfig) { | |||
6746 | // The common case is a regular call we do not want to specialize at all. Try | |||
6747 | // to make that case fast by bailing early. | |||
6748 | CallExpr *CE = dyn_cast<CallExpr>(Call.get()); | |||
6749 | if (!CE) | |||
6750 | return Call; | |||
6751 | ||||
6752 | FunctionDecl *CalleeFnDecl = CE->getDirectCallee(); | |||
6753 | if (!CalleeFnDecl) | |||
6754 | return Call; | |||
6755 | ||||
6756 | if (!CalleeFnDecl->hasAttr<OMPDeclareVariantAttr>()) | |||
6757 | return Call; | |||
6758 | ||||
6759 | ASTContext &Context = getASTContext(); | |||
6760 | std::function<void(StringRef)> DiagUnknownTrait = [this, | |||
6761 | CE](StringRef ISATrait) { | |||
6762 | // TODO Track the selector locations in a way that is accessible here to | |||
6763 | // improve the diagnostic location. | |||
6764 | Diag(CE->getBeginLoc(), diag::warn_unknown_declare_variant_isa_trait) | |||
6765 | << ISATrait; | |||
6766 | }; | |||
6767 | TargetOMPContext OMPCtx(Context, std::move(DiagUnknownTrait), | |||
6768 | getCurFunctionDecl()); | |||
6769 | ||||
6770 | QualType CalleeFnType = CalleeFnDecl->getType(); | |||
6771 | ||||
6772 | SmallVector<Expr *, 4> Exprs; | |||
6773 | SmallVector<VariantMatchInfo, 4> VMIs; | |||
6774 | while (CalleeFnDecl) { | |||
6775 | for (OMPDeclareVariantAttr *A : | |||
6776 | CalleeFnDecl->specific_attrs<OMPDeclareVariantAttr>()) { | |||
6777 | Expr *VariantRef = A->getVariantFuncRef(); | |||
6778 | ||||
6779 | VariantMatchInfo VMI; | |||
6780 | OMPTraitInfo &TI = A->getTraitInfo(); | |||
6781 | TI.getAsVariantMatchInfo(Context, VMI); | |||
6782 | if (!isVariantApplicableInContext(VMI, OMPCtx, | |||
6783 | /* DeviceSetOnly */ false)) | |||
6784 | continue; | |||
6785 | ||||
6786 | VMIs.push_back(VMI); | |||
6787 | Exprs.push_back(VariantRef); | |||
6788 | } | |||
6789 | ||||
6790 | CalleeFnDecl = CalleeFnDecl->getPreviousDecl(); | |||
6791 | } | |||
6792 | ||||
6793 | ExprResult NewCall; | |||
6794 | do { | |||
6795 | int BestIdx = getBestVariantMatchForContext(VMIs, OMPCtx); | |||
6796 | if (BestIdx < 0) | |||
6797 | return Call; | |||
6798 | Expr *BestExpr = cast<DeclRefExpr>(Exprs[BestIdx]); | |||
6799 | Decl *BestDecl = cast<DeclRefExpr>(BestExpr)->getDecl(); | |||
6800 | ||||
6801 | { | |||
6802 | // Try to build a (member) call expression for the current best applicable | |||
6803 | // variant expression. We allow this to fail in which case we continue | |||
6804 | // with the next best variant expression. The fail case is part of the | |||
6805 | // implementation defined behavior in the OpenMP standard when it talks | |||
6806 | // about what differences in the function prototypes: "Any differences | |||
6807 | // that the specific OpenMP context requires in the prototype of the | |||
6808 | // variant from the base function prototype are implementation defined." | |||
6809 | // This wording is there to allow the specialized variant to have a | |||
6810 | // different type than the base function. This is intended and OK but if | |||
6811 | // we cannot create a call the difference is not in the "implementation | |||
6812 | // defined range" we allow. | |||
6813 | Sema::TentativeAnalysisScope Trap(*this); | |||
6814 | ||||
6815 | if (auto *SpecializedMethod = dyn_cast<CXXMethodDecl>(BestDecl)) { | |||
6816 | auto *MemberCall = dyn_cast<CXXMemberCallExpr>(CE); | |||
6817 | BestExpr = MemberExpr::CreateImplicit( | |||
6818 | Context, MemberCall->getImplicitObjectArgument(), | |||
6819 | /* IsArrow */ false, SpecializedMethod, Context.BoundMemberTy, | |||
6820 | MemberCall->getValueKind(), MemberCall->getObjectKind()); | |||
6821 | } | |||
6822 | NewCall = BuildCallExpr(Scope, BestExpr, LParenLoc, ArgExprs, RParenLoc, | |||
6823 | ExecConfig); | |||
6824 | if (NewCall.isUsable()) { | |||
6825 | if (CallExpr *NCE = dyn_cast<CallExpr>(NewCall.get())) { | |||
6826 | FunctionDecl *NewCalleeFnDecl = NCE->getDirectCallee(); | |||
6827 | QualType NewType = Context.mergeFunctionTypes( | |||
6828 | CalleeFnType, NewCalleeFnDecl->getType(), | |||
6829 | /* OfBlockPointer */ false, | |||
6830 | /* Unqualified */ false, /* AllowCXX */ true); | |||
6831 | if (!NewType.isNull()) | |||
6832 | break; | |||
6833 | // Don't use the call if the function type was not compatible. | |||
6834 | NewCall = nullptr; | |||
6835 | } | |||
6836 | } | |||
6837 | } | |||
6838 | ||||
6839 | VMIs.erase(VMIs.begin() + BestIdx); | |||
6840 | Exprs.erase(Exprs.begin() + BestIdx); | |||
6841 | } while (!VMIs.empty()); | |||
6842 | ||||
6843 | if (!NewCall.isUsable()) | |||
6844 | return Call; | |||
6845 | return PseudoObjectExpr::Create(Context, CE, {NewCall.get()}, 0); | |||
6846 | } | |||
6847 | ||||
6848 | Optional<std::pair<FunctionDecl *, Expr *>> | |||
6849 | Sema::checkOpenMPDeclareVariantFunction(Sema::DeclGroupPtrTy DG, | |||
6850 | Expr *VariantRef, OMPTraitInfo &TI, | |||
6851 | SourceRange SR) { | |||
6852 | if (!DG || DG.get().isNull()) | |||
6853 | return None; | |||
6854 | ||||
6855 | const int VariantId = 1; | |||
6856 | // Must be applied only to single decl. | |||
6857 | if (!DG.get().isSingleDecl()) { | |||
6858 | Diag(SR.getBegin(), diag::err_omp_single_decl_in_declare_simd_variant) | |||
6859 | << VariantId << SR; | |||
6860 | return None; | |||
6861 | } | |||
6862 | Decl *ADecl = DG.get().getSingleDecl(); | |||
6863 | if (auto *FTD = dyn_cast<FunctionTemplateDecl>(ADecl)) | |||
6864 | ADecl = FTD->getTemplatedDecl(); | |||
6865 | ||||
6866 | // Decl must be a function. | |||
6867 | auto *FD = dyn_cast<FunctionDecl>(ADecl); | |||
6868 | if (!FD) { | |||
6869 | Diag(ADecl->getLocation(), diag::err_omp_function_expected) | |||
6870 | << VariantId << SR; | |||
6871 | return None; | |||
6872 | } | |||
6873 | ||||
6874 | auto &&HasMultiVersionAttributes = [](const FunctionDecl *FD) { | |||
6875 | return FD->hasAttrs() && | |||
6876 | (FD->hasAttr<CPUDispatchAttr>() || FD->hasAttr<CPUSpecificAttr>() || | |||
6877 | FD->hasAttr<TargetAttr>()); | |||
6878 | }; | |||
6879 | // OpenMP is not compatible with CPU-specific attributes. | |||
6880 | if (HasMultiVersionAttributes(FD)) { | |||
6881 | Diag(FD->getLocation(), diag::err_omp_declare_variant_incompat_attributes) | |||
6882 | << SR; | |||
6883 | return None; | |||
6884 | } | |||
6885 | ||||
6886 | // Allow #pragma omp declare variant only if the function is not used. | |||
6887 | if (FD->isUsed(false)) | |||
6888 | Diag(SR.getBegin(), diag::warn_omp_declare_variant_after_used) | |||
6889 | << FD->getLocation(); | |||
6890 | ||||
6891 | // Check if the function was emitted already. | |||
6892 | const FunctionDecl *Definition; | |||
6893 | if (!FD->isThisDeclarationADefinition() && FD->isDefined(Definition) && | |||
6894 | (LangOpts.EmitAllDecls || Context.DeclMustBeEmitted(Definition))) | |||
6895 | Diag(SR.getBegin(), diag::warn_omp_declare_variant_after_emitted) | |||
6896 | << FD->getLocation(); | |||
6897 | ||||
6898 | // The VariantRef must point to function. | |||
6899 | if (!VariantRef) { | |||
6900 | Diag(SR.getBegin(), diag::err_omp_function_expected) << VariantId; | |||
6901 | return None; | |||
6902 | } | |||
6903 | ||||
6904 | auto ShouldDelayChecks = [](Expr *&E, bool) { | |||
6905 | return E && (E->isTypeDependent() || E->isValueDependent() || | |||
6906 | E->containsUnexpandedParameterPack() || | |||
6907 | E->isInstantiationDependent()); | |||
6908 | }; | |||
6909 | // Do not check templates, wait until instantiation. | |||
6910 | if (FD->isDependentContext() || ShouldDelayChecks(VariantRef, false) || | |||
6911 | TI.anyScoreOrCondition(ShouldDelayChecks)) | |||
6912 | return std::make_pair(FD, VariantRef); | |||
6913 | ||||
6914 | // Deal with non-constant score and user condition expressions. | |||
6915 | auto HandleNonConstantScoresAndConditions = [this](Expr *&E, | |||
6916 | bool IsScore) -> bool { | |||
6917 | if (!E || E->isIntegerConstantExpr(Context)) | |||
6918 | return false; | |||
6919 | ||||
6920 | if (IsScore) { | |||
6921 | // We warn on non-constant scores and pretend they were not present. | |||
6922 | Diag(E->getExprLoc(), diag::warn_omp_declare_variant_score_not_constant) | |||
6923 | << E; | |||
6924 | E = nullptr; | |||
6925 | } else { | |||
6926 | // We could replace a non-constant user condition with "false" but we | |||
6927 | // will soon need to handle these anyway for the dynamic version of | |||
6928 | // OpenMP context selectors. | |||
6929 | Diag(E->getExprLoc(), | |||
6930 | diag::err_omp_declare_variant_user_condition_not_constant) | |||
6931 | << E; | |||
6932 | } | |||
6933 | return true; | |||
6934 | }; | |||
6935 | if (TI.anyScoreOrCondition(HandleNonConstantScoresAndConditions)) | |||
6936 | return None; | |||
6937 | ||||
6938 | // Convert VariantRef expression to the type of the original function to | |||
6939 | // resolve possible conflicts. | |||
6940 | ExprResult VariantRefCast = VariantRef; | |||
6941 | if (LangOpts.CPlusPlus) { | |||
6942 | QualType FnPtrType; | |||
6943 | auto *Method = dyn_cast<CXXMethodDecl>(FD); | |||
6944 | if (Method && !Method->isStatic()) { | |||
6945 | const Type *ClassType = | |||
6946 | Context.getTypeDeclType(Method->getParent()).getTypePtr(); | |||
6947 | FnPtrType = Context.getMemberPointerType(FD->getType(), ClassType); | |||
6948 | ExprResult ER; | |||
6949 | { | |||
6950 | // Build adrr_of unary op to correctly handle type checks for member | |||
6951 | // functions. | |||
6952 | Sema::TentativeAnalysisScope Trap(*this); | |||
6953 | ER = CreateBuiltinUnaryOp(VariantRef->getBeginLoc(), UO_AddrOf, | |||
6954 | VariantRef); | |||
6955 | } | |||
6956 | if (!ER.isUsable()) { | |||
6957 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) | |||
6958 | << VariantId << VariantRef->getSourceRange(); | |||
6959 | return None; | |||
6960 | } | |||
6961 | VariantRef = ER.get(); | |||
6962 | } else { | |||
6963 | FnPtrType = Context.getPointerType(FD->getType()); | |||
6964 | } | |||
6965 | QualType VarianPtrType = Context.getPointerType(VariantRef->getType()); | |||
6966 | if (VarianPtrType.getUnqualifiedType() != FnPtrType.getUnqualifiedType()) { | |||
6967 | ImplicitConversionSequence ICS = TryImplicitConversion( | |||
6968 | VariantRef, FnPtrType.getUnqualifiedType(), | |||
6969 | /*SuppressUserConversions=*/false, AllowedExplicit::None, | |||
6970 | /*InOverloadResolution=*/false, | |||
6971 | /*CStyle=*/false, | |||
6972 | /*AllowObjCWritebackConversion=*/false); | |||
6973 | if (ICS.isFailure()) { | |||
6974 | Diag(VariantRef->getExprLoc(), | |||
6975 | diag::err_omp_declare_variant_incompat_types) | |||
6976 | << VariantRef->getType() | |||
6977 | << ((Method && !Method->isStatic()) ? FnPtrType : FD->getType()) | |||
6978 | << VariantRef->getSourceRange(); | |||
6979 | return None; | |||
6980 | } | |||
6981 | VariantRefCast = PerformImplicitConversion( | |||
6982 | VariantRef, FnPtrType.getUnqualifiedType(), AA_Converting); | |||
6983 | if (!VariantRefCast.isUsable()) | |||
6984 | return None; | |||
6985 | } | |||
6986 | // Drop previously built artificial addr_of unary op for member functions. | |||
6987 | if (Method && !Method->isStatic()) { | |||
6988 | Expr *PossibleAddrOfVariantRef = VariantRefCast.get(); | |||
6989 | if (auto *UO = dyn_cast<UnaryOperator>( | |||
6990 | PossibleAddrOfVariantRef->IgnoreImplicit())) | |||
6991 | VariantRefCast = UO->getSubExpr(); | |||
6992 | } | |||
6993 | } | |||
6994 | ||||
6995 | ExprResult ER = CheckPlaceholderExpr(VariantRefCast.get()); | |||
6996 | if (!ER.isUsable() || | |||
6997 | !ER.get()->IgnoreParenImpCasts()->getType()->isFunctionType()) { | |||
6998 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) | |||
6999 | << VariantId << VariantRef->getSourceRange(); | |||
7000 | return None; | |||
7001 | } | |||
7002 | ||||
7003 | // The VariantRef must point to function. | |||
7004 | auto *DRE = dyn_cast<DeclRefExpr>(ER.get()->IgnoreParenImpCasts()); | |||
7005 | if (!DRE) { | |||
7006 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) | |||
7007 | << VariantId << VariantRef->getSourceRange(); | |||
7008 | return None; | |||
7009 | } | |||
7010 | auto *NewFD = dyn_cast_or_null<FunctionDecl>(DRE->getDecl()); | |||
7011 | if (!NewFD) { | |||
7012 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) | |||
7013 | << VariantId << VariantRef->getSourceRange(); | |||
7014 | return None; | |||
7015 | } | |||
7016 | ||||
7017 | // Check if function types are compatible in C. | |||
7018 | if (!LangOpts.CPlusPlus) { | |||
7019 | QualType NewType = | |||
7020 | Context.mergeFunctionTypes(FD->getType(), NewFD->getType()); | |||
7021 | if (NewType.isNull()) { | |||
7022 | Diag(VariantRef->getExprLoc(), | |||
7023 | diag::err_omp_declare_variant_incompat_types) | |||
7024 | << NewFD->getType() << FD->getType() << VariantRef->getSourceRange(); | |||
7025 | return None; | |||
7026 | } | |||
7027 | if (NewType->isFunctionProtoType()) { | |||
7028 | if (FD->getType()->isFunctionNoProtoType()) | |||
7029 | setPrototype(*this, FD, NewFD, NewType); | |||
7030 | else if (NewFD->getType()->isFunctionNoProtoType()) | |||
7031 | setPrototype(*this, NewFD, FD, NewType); | |||
7032 | } | |||
7033 | } | |||
7034 | ||||
7035 | // Check if variant function is not marked with declare variant directive. | |||
7036 | if (NewFD->hasAttrs() && NewFD->hasAttr<OMPDeclareVariantAttr>()) { | |||
7037 | Diag(VariantRef->getExprLoc(), | |||
7038 | diag::warn_omp_declare_variant_marked_as_declare_variant) | |||
7039 | << VariantRef->getSourceRange(); | |||
7040 | SourceRange SR = | |||
7041 | NewFD->specific_attr_begin<OMPDeclareVariantAttr>()->getRange(); | |||
7042 | Diag(SR.getBegin(), diag::note_omp_marked_declare_variant_here) << SR; | |||
7043 | return None; | |||
7044 | } | |||
7045 | ||||
7046 | enum DoesntSupport { | |||
7047 | VirtFuncs = 1, | |||
7048 | Constructors = 3, | |||
7049 | Destructors = 4, | |||
7050 | DeletedFuncs = 5, | |||
7051 | DefaultedFuncs = 6, | |||
7052 | ConstexprFuncs = 7, | |||
7053 | ConstevalFuncs = 8, | |||
7054 | }; | |||
7055 | if (const auto *CXXFD = dyn_cast<CXXMethodDecl>(FD)) { | |||
7056 | if (CXXFD->isVirtual()) { | |||
7057 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) | |||
7058 | << VirtFuncs; | |||
7059 | return None; | |||
7060 | } | |||
7061 | ||||
7062 | if (isa<CXXConstructorDecl>(FD)) { | |||
7063 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) | |||
7064 | << Constructors; | |||
7065 | return None; | |||
7066 | } | |||
7067 | ||||
7068 | if (isa<CXXDestructorDecl>(FD)) { | |||
7069 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) | |||
7070 | << Destructors; | |||
7071 | return None; | |||
7072 | } | |||
7073 | } | |||
7074 | ||||
7075 | if (FD->isDeleted()) { | |||
7076 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) | |||
7077 | << DeletedFuncs; | |||
7078 | return None; | |||
7079 | } | |||
7080 | ||||
7081 | if (FD->isDefaulted()) { | |||
7082 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) | |||
7083 | << DefaultedFuncs; | |||
7084 | return None; | |||
7085 | } | |||
7086 | ||||
7087 | if (FD->isConstexpr()) { | |||
7088 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) | |||
7089 | << (NewFD->isConsteval() ? ConstevalFuncs : ConstexprFuncs); | |||
7090 | return None; | |||
7091 | } | |||
7092 | ||||
7093 | // Check general compatibility. | |||
7094 | if (areMultiversionVariantFunctionsCompatible( | |||
7095 | FD, NewFD, PartialDiagnostic::NullDiagnostic(), | |||
7096 | PartialDiagnosticAt(SourceLocation(), | |||
7097 | PartialDiagnostic::NullDiagnostic()), | |||
7098 | PartialDiagnosticAt( | |||
7099 | VariantRef->getExprLoc(), | |||
7100 | PDiag(diag::err_omp_declare_variant_doesnt_support)), | |||
7101 | PartialDiagnosticAt(VariantRef->getExprLoc(), | |||
7102 | PDiag(diag::err_omp_declare_variant_diff) | |||
7103 | << FD->getLocation()), | |||
7104 | /*TemplatesSupported=*/true, /*ConstexprSupported=*/false, | |||
7105 | /*CLinkageMayDiffer=*/true)) | |||
7106 | return None; | |||
7107 | return std::make_pair(FD, cast<Expr>(DRE)); | |||
7108 | } | |||
7109 | ||||
7110 | void Sema::ActOnOpenMPDeclareVariantDirective(FunctionDecl *FD, | |||
7111 | Expr *VariantRef, | |||
7112 | OMPTraitInfo &TI, | |||
7113 | SourceRange SR) { | |||
7114 | auto *NewAttr = | |||
7115 | OMPDeclareVariantAttr::CreateImplicit(Context, VariantRef, &TI, SR); | |||
7116 | FD->addAttr(NewAttr); | |||
7117 | } | |||
7118 | ||||
7119 | StmtResult Sema::ActOnOpenMPParallelDirective(ArrayRef<OMPClause *> Clauses, | |||
7120 | Stmt *AStmt, | |||
7121 | SourceLocation StartLoc, | |||
7122 | SourceLocation EndLoc) { | |||
7123 | if (!AStmt) | |||
7124 | return StmtError(); | |||
7125 | ||||
7126 | auto *CS = cast<CapturedStmt>(AStmt); | |||
7127 | // 1.2.2 OpenMP Language Terminology | |||
7128 | // Structured block - An executable statement with a single entry at the | |||
7129 | // top and a single exit at the bottom. | |||
7130 | // The point of exit cannot be a branch out of the structured block. | |||
7131 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
7132 | CS->getCapturedDecl()->setNothrow(); | |||
7133 | ||||
7134 | setFunctionHasBranchProtectedScope(); | |||
7135 | ||||
7136 | return OMPParallelDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | |||
7137 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), | |||
7138 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
7139 | } | |||
7140 | ||||
7141 | namespace { | |||
7142 | /// Iteration space of a single for loop. | |||
7143 | struct LoopIterationSpace final { | |||
7144 | /// True if the condition operator is the strict compare operator (<, > or | |||
7145 | /// !=). | |||
7146 | bool IsStrictCompare = false; | |||
7147 | /// Condition of the loop. | |||
7148 | Expr *PreCond = nullptr; | |||
7149 | /// This expression calculates the number of iterations in the loop. | |||
7150 | /// It is always possible to calculate it before starting the loop. | |||
7151 | Expr *NumIterations = nullptr; | |||
7152 | /// The loop counter variable. | |||
7153 | Expr *CounterVar = nullptr; | |||
7154 | /// Private loop counter variable. | |||
7155 | Expr *PrivateCounterVar = nullptr; | |||
7156 | /// This is initializer for the initial value of #CounterVar. | |||
7157 | Expr *CounterInit = nullptr; | |||
7158 | /// This is step for the #CounterVar used to generate its update: | |||
7159 | /// #CounterVar = #CounterInit + #CounterStep * CurrentIteration. | |||
7160 | Expr *CounterStep = nullptr; | |||
7161 | /// Should step be subtracted? | |||
7162 | bool Subtract = false; | |||
7163 | /// Source range of the loop init. | |||
7164 | SourceRange InitSrcRange; | |||
7165 | /// Source range of the loop condition. | |||
7166 | SourceRange CondSrcRange; | |||
7167 | /// Source range of the loop increment. | |||
7168 | SourceRange IncSrcRange; | |||
7169 | /// Minimum value that can have the loop control variable. Used to support | |||
7170 | /// non-rectangular loops. Applied only for LCV with the non-iterator types, | |||
7171 | /// since only such variables can be used in non-loop invariant expressions. | |||
7172 | Expr *MinValue = nullptr; | |||
7173 | /// Maximum value that can have the loop control variable. Used to support | |||
7174 | /// non-rectangular loops. Applied only for LCV with the non-iterator type, | |||
7175 | /// since only such variables can be used in non-loop invariant expressions. | |||
7176 | Expr *MaxValue = nullptr; | |||
7177 | /// true, if the lower bound depends on the outer loop control var. | |||
7178 | bool IsNonRectangularLB = false; | |||
7179 | /// true, if the upper bound depends on the outer loop control var. | |||
7180 | bool IsNonRectangularUB = false; | |||
7181 | /// Index of the loop this loop depends on and forms non-rectangular loop | |||
7182 | /// nest. | |||
7183 | unsigned LoopDependentIdx = 0; | |||
7184 | /// Final condition for the non-rectangular loop nest support. It is used to | |||
7185 | /// check that the number of iterations for this particular counter must be | |||
7186 | /// finished. | |||
7187 | Expr *FinalCondition = nullptr; | |||
7188 | }; | |||
7189 | ||||
7190 | /// Helper class for checking canonical form of the OpenMP loops and | |||
7191 | /// extracting iteration space of each loop in the loop nest, that will be used | |||
7192 | /// for IR generation. | |||
7193 | class OpenMPIterationSpaceChecker { | |||
7194 | /// Reference to Sema. | |||
7195 | Sema &SemaRef; | |||
7196 | /// Does the loop associated directive support non-rectangular loops? | |||
7197 | bool SupportsNonRectangular; | |||
7198 | /// Data-sharing stack. | |||
7199 | DSAStackTy &Stack; | |||
7200 | /// A location for diagnostics (when there is no some better location). | |||
7201 | SourceLocation DefaultLoc; | |||
7202 | /// A location for diagnostics (when increment is not compatible). | |||
7203 | SourceLocation ConditionLoc; | |||
7204 | /// A source location for referring to loop init later. | |||
7205 | SourceRange InitSrcRange; | |||
7206 | /// A source location for referring to condition later. | |||
7207 | SourceRange ConditionSrcRange; | |||
7208 | /// A source location for referring to increment later. | |||
7209 | SourceRange IncrementSrcRange; | |||
7210 | /// Loop variable. | |||
7211 | ValueDecl *LCDecl = nullptr; | |||
7212 | /// Reference to loop variable. | |||
7213 | Expr *LCRef = nullptr; | |||
7214 | /// Lower bound (initializer for the var). | |||
7215 | Expr *LB = nullptr; | |||
7216 | /// Upper bound. | |||
7217 | Expr *UB = nullptr; | |||
7218 | /// Loop step (increment). | |||
7219 | Expr *Step = nullptr; | |||
7220 | /// This flag is true when condition is one of: | |||
7221 | /// Var < UB | |||
7222 | /// Var <= UB | |||
7223 | /// UB > Var | |||
7224 | /// UB >= Var | |||
7225 | /// This will have no value when the condition is != | |||
7226 | llvm::Optional<bool> TestIsLessOp; | |||
7227 | /// This flag is true when condition is strict ( < or > ). | |||
7228 | bool TestIsStrictOp = false; | |||
7229 | /// This flag is true when step is subtracted on each iteration. | |||
7230 | bool SubtractStep = false; | |||
7231 | /// The outer loop counter this loop depends on (if any). | |||
7232 | const ValueDecl *DepDecl = nullptr; | |||
7233 | /// Contains number of loop (starts from 1) on which loop counter init | |||
7234 | /// expression of this loop depends on. | |||
7235 | Optional<unsigned> InitDependOnLC; | |||
7236 | /// Contains number of loop (starts from 1) on which loop counter condition | |||
7237 | /// expression of this loop depends on. | |||
7238 | Optional<unsigned> CondDependOnLC; | |||
7239 | /// Checks if the provide statement depends on the loop counter. | |||
7240 | Optional<unsigned> doesDependOnLoopCounter(const Stmt *S, bool IsInitializer); | |||
7241 | /// Original condition required for checking of the exit condition for | |||
7242 | /// non-rectangular loop. | |||
7243 | Expr *Condition = nullptr; | |||
7244 | ||||
7245 | public: | |||
7246 | OpenMPIterationSpaceChecker(Sema &SemaRef, bool SupportsNonRectangular, | |||
7247 | DSAStackTy &Stack, SourceLocation DefaultLoc) | |||
7248 | : SemaRef(SemaRef), SupportsNonRectangular(SupportsNonRectangular), | |||
7249 | Stack(Stack), DefaultLoc(DefaultLoc), ConditionLoc(DefaultLoc) {} | |||
7250 | /// Check init-expr for canonical loop form and save loop counter | |||
7251 | /// variable - #Var and its initialization value - #LB. | |||
7252 | bool checkAndSetInit(Stmt *S, bool EmitDiags = true); | |||
7253 | /// Check test-expr for canonical form, save upper-bound (#UB), flags | |||
7254 | /// for less/greater and for strict/non-strict comparison. | |||
7255 | bool checkAndSetCond(Expr *S); | |||
7256 | /// Check incr-expr for canonical loop form and return true if it | |||
7257 | /// does not conform, otherwise save loop step (#Step). | |||
7258 | bool checkAndSetInc(Expr *S); | |||
7259 | /// Return the loop counter variable. | |||
7260 | ValueDecl *getLoopDecl() const { return LCDecl; } | |||
7261 | /// Return the reference expression to loop counter variable. | |||
7262 | Expr *getLoopDeclRefExpr() const { return LCRef; } | |||
7263 | /// Source range of the loop init. | |||
7264 | SourceRange getInitSrcRange() const { return InitSrcRange; } | |||
7265 | /// Source range of the loop condition. | |||
7266 | SourceRange getConditionSrcRange() const { return ConditionSrcRange; } | |||
7267 | /// Source range of the loop increment. | |||
7268 | SourceRange getIncrementSrcRange() const { return IncrementSrcRange; } | |||
7269 | /// True if the step should be subtracted. | |||
7270 | bool shouldSubtractStep() const { return SubtractStep; } | |||
7271 | /// True, if the compare operator is strict (<, > or !=). | |||
7272 | bool isStrictTestOp() const { return TestIsStrictOp; } | |||
7273 | /// Build the expression to calculate the number of iterations. | |||
7274 | Expr *buildNumIterations( | |||
7275 | Scope *S, ArrayRef<LoopIterationSpace> ResultIterSpaces, bool LimitedType, | |||
7276 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const; | |||
7277 | /// Build the precondition expression for the loops. | |||
7278 | Expr * | |||
7279 | buildPreCond(Scope *S, Expr *Cond, | |||
7280 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const; | |||
7281 | /// Build reference expression to the counter be used for codegen. | |||
7282 | DeclRefExpr * | |||
7283 | buildCounterVar(llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, | |||
7284 | DSAStackTy &DSA) const; | |||
7285 | /// Build reference expression to the private counter be used for | |||
7286 | /// codegen. | |||
7287 | Expr *buildPrivateCounterVar() const; | |||
7288 | /// Build initialization of the counter be used for codegen. | |||
7289 | Expr *buildCounterInit() const; | |||
7290 | /// Build step of the counter be used for codegen. | |||
7291 | Expr *buildCounterStep() const; | |||
7292 | /// Build loop data with counter value for depend clauses in ordered | |||
7293 | /// directives. | |||
7294 | Expr * | |||
7295 | buildOrderedLoopData(Scope *S, Expr *Counter, | |||
7296 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, | |||
7297 | SourceLocation Loc, Expr *Inc = nullptr, | |||
7298 | OverloadedOperatorKind OOK = OO_Amp); | |||
7299 | /// Builds the minimum value for the loop counter. | |||
7300 | std::pair<Expr *, Expr *> buildMinMaxValues( | |||
7301 | Scope *S, llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const; | |||
7302 | /// Builds final condition for the non-rectangular loops. | |||
7303 | Expr *buildFinalCondition(Scope *S) const; | |||
7304 | /// Return true if any expression is dependent. | |||
7305 | bool dependent() const; | |||
7306 | /// Returns true if the initializer forms non-rectangular loop. | |||
7307 | bool doesInitDependOnLC() const { return InitDependOnLC.hasValue(); } | |||
7308 | /// Returns true if the condition forms non-rectangular loop. | |||
7309 | bool doesCondDependOnLC() const { return CondDependOnLC.hasValue(); } | |||
7310 | /// Returns index of the loop we depend on (starting from 1), or 0 otherwise. | |||
7311 | unsigned getLoopDependentIdx() const { | |||
7312 | return InitDependOnLC.getValueOr(CondDependOnLC.getValueOr(0)); | |||
7313 | } | |||
7314 | ||||
7315 | private: | |||
7316 | /// Check the right-hand side of an assignment in the increment | |||
7317 | /// expression. | |||
7318 | bool checkAndSetIncRHS(Expr *RHS); | |||
7319 | /// Helper to set loop counter variable and its initializer. | |||
7320 | bool setLCDeclAndLB(ValueDecl *NewLCDecl, Expr *NewDeclRefExpr, Expr *NewLB, | |||
7321 | bool EmitDiags); | |||
7322 | /// Helper to set upper bound. | |||
7323 | bool setUB(Expr *NewUB, llvm::Optional<bool> LessOp, bool StrictOp, | |||
7324 | SourceRange SR, SourceLocation SL); | |||
7325 | /// Helper to set loop increment. | |||
7326 | bool setStep(Expr *NewStep, bool Subtract); | |||
7327 | }; | |||
7328 | ||||
7329 | bool OpenMPIterationSpaceChecker::dependent() const { | |||
7330 | if (!LCDecl) { | |||
7331 | assert(!LB && !UB && !Step)((void)0); | |||
7332 | return false; | |||
7333 | } | |||
7334 | return LCDecl->getType()->isDependentType() || | |||
7335 | (LB && LB->isValueDependent()) || (UB && UB->isValueDependent()) || | |||
7336 | (Step && Step->isValueDependent()); | |||
7337 | } | |||
7338 | ||||
7339 | bool OpenMPIterationSpaceChecker::setLCDeclAndLB(ValueDecl *NewLCDecl, | |||
7340 | Expr *NewLCRefExpr, | |||
7341 | Expr *NewLB, bool EmitDiags) { | |||
7342 | // State consistency checking to ensure correct usage. | |||
7343 | assert(LCDecl == nullptr && LB == nullptr && LCRef == nullptr &&((void)0) | |||
7344 | UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp)((void)0); | |||
7345 | if (!NewLCDecl || !NewLB) | |||
7346 | return true; | |||
7347 | LCDecl = getCanonicalDecl(NewLCDecl); | |||
7348 | LCRef = NewLCRefExpr; | |||
7349 | if (auto *CE = dyn_cast_or_null<CXXConstructExpr>(NewLB)) | |||
7350 | if (const CXXConstructorDecl *Ctor = CE->getConstructor()) | |||
7351 | if ((Ctor->isCopyOrMoveConstructor() || | |||
7352 | Ctor->isConvertingConstructor(/*AllowExplicit=*/false)) && | |||
7353 | CE->getNumArgs() > 0 && CE->getArg(0) != nullptr) | |||
7354 | NewLB = CE->getArg(0)->IgnoreParenImpCasts(); | |||
7355 | LB = NewLB; | |||
7356 | if (EmitDiags) | |||
7357 | InitDependOnLC = doesDependOnLoopCounter(LB, /*IsInitializer=*/true); | |||
7358 | return false; | |||
7359 | } | |||
7360 | ||||
7361 | bool OpenMPIterationSpaceChecker::setUB(Expr *NewUB, | |||
7362 | llvm::Optional<bool> LessOp, | |||
7363 | bool StrictOp, SourceRange SR, | |||
7364 | SourceLocation SL) { | |||
7365 | // State consistency checking to ensure correct usage. | |||
7366 | assert(LCDecl != nullptr && LB != nullptr && UB == nullptr &&((void)0) | |||
7367 | Step == nullptr && !TestIsLessOp && !TestIsStrictOp)((void)0); | |||
7368 | if (!NewUB) | |||
7369 | return true; | |||
7370 | UB = NewUB; | |||
7371 | if (LessOp) | |||
7372 | TestIsLessOp = LessOp; | |||
7373 | TestIsStrictOp = StrictOp; | |||
7374 | ConditionSrcRange = SR; | |||
7375 | ConditionLoc = SL; | |||
7376 | CondDependOnLC = doesDependOnLoopCounter(UB, /*IsInitializer=*/false); | |||
7377 | return false; | |||
7378 | } | |||
7379 | ||||
7380 | bool OpenMPIterationSpaceChecker::setStep(Expr *NewStep, bool Subtract) { | |||
7381 | // State consistency checking to ensure correct usage. | |||
7382 | assert(LCDecl != nullptr && LB != nullptr && Step == nullptr)((void)0); | |||
7383 | if (!NewStep) | |||
7384 | return true; | |||
7385 | if (!NewStep->isValueDependent()) { | |||
7386 | // Check that the step is integer expression. | |||
7387 | SourceLocation StepLoc = NewStep->getBeginLoc(); | |||
7388 | ExprResult Val = SemaRef.PerformOpenMPImplicitIntegerConversion( | |||
7389 | StepLoc, getExprAsWritten(NewStep)); | |||
7390 | if (Val.isInvalid()) | |||
7391 | return true; | |||
7392 | NewStep = Val.get(); | |||
7393 | ||||
7394 | // OpenMP [2.6, Canonical Loop Form, Restrictions] | |||
7395 | // If test-expr is of form var relational-op b and relational-op is < or | |||
7396 | // <= then incr-expr must cause var to increase on each iteration of the | |||
7397 | // loop. If test-expr is of form var relational-op b and relational-op is | |||
7398 | // > or >= then incr-expr must cause var to decrease on each iteration of | |||
7399 | // the loop. | |||
7400 | // If test-expr is of form b relational-op var and relational-op is < or | |||
7401 | // <= then incr-expr must cause var to decrease on each iteration of the | |||
7402 | // loop. If test-expr is of form b relational-op var and relational-op is | |||
7403 | // > or >= then incr-expr must cause var to increase on each iteration of | |||
7404 | // the loop. | |||
7405 | Optional<llvm::APSInt> Result = | |||
7406 | NewStep->getIntegerConstantExpr(SemaRef.Context); | |||
7407 | bool IsUnsigned = !NewStep->getType()->hasSignedIntegerRepresentation(); | |||
7408 | bool IsConstNeg = | |||
7409 | Result && Result->isSigned() && (Subtract != Result->isNegative()); | |||
7410 | bool IsConstPos = | |||
7411 | Result && Result->isSigned() && (Subtract == Result->isNegative()); | |||
7412 | bool IsConstZero = Result && !Result->getBoolValue(); | |||
7413 | ||||
7414 | // != with increment is treated as <; != with decrement is treated as > | |||
7415 | if (!TestIsLessOp.hasValue()) | |||
7416 | TestIsLessOp = IsConstPos || (IsUnsigned && !Subtract); | |||
7417 | if (UB && (IsConstZero || | |||
7418 | (TestIsLessOp.getValue() ? | |||
7419 | (IsConstNeg || (IsUnsigned && Subtract)) : | |||
7420 | (IsConstPos || (IsUnsigned && !Subtract))))) { | |||
7421 | SemaRef.Diag(NewStep->getExprLoc(), | |||
7422 | diag::err_omp_loop_incr_not_compatible) | |||
7423 | << LCDecl << TestIsLessOp.getValue() << NewStep->getSourceRange(); | |||
7424 | SemaRef.Diag(ConditionLoc, | |||
7425 | diag::note_omp_loop_cond_requres_compatible_incr) | |||
7426 | << TestIsLessOp.getValue() << ConditionSrcRange; | |||
7427 | return true; | |||
7428 | } | |||
7429 | if (TestIsLessOp.getValue() == Subtract) { | |||
7430 | NewStep = | |||
7431 | SemaRef.CreateBuiltinUnaryOp(NewStep->getExprLoc(), UO_Minus, NewStep) | |||
7432 | .get(); | |||
7433 | Subtract = !Subtract; | |||
7434 | } | |||
7435 | } | |||
7436 | ||||
7437 | Step = NewStep; | |||
7438 | SubtractStep = Subtract; | |||
7439 | return false; | |||
7440 | } | |||
7441 | ||||
7442 | namespace { | |||
7443 | /// Checker for the non-rectangular loops. Checks if the initializer or | |||
7444 | /// condition expression references loop counter variable. | |||
7445 | class LoopCounterRefChecker final | |||
7446 | : public ConstStmtVisitor<LoopCounterRefChecker, bool> { | |||
7447 | Sema &SemaRef; | |||
7448 | DSAStackTy &Stack; | |||
7449 | const ValueDecl *CurLCDecl = nullptr; | |||
7450 | const ValueDecl *DepDecl = nullptr; | |||
7451 | const ValueDecl *PrevDepDecl = nullptr; | |||
7452 | bool IsInitializer = true; | |||
7453 | bool SupportsNonRectangular; | |||
7454 | unsigned BaseLoopId = 0; | |||
7455 | bool checkDecl(const Expr *E, const ValueDecl *VD) { | |||
7456 | if (getCanonicalDecl(VD) == getCanonicalDecl(CurLCDecl)) { | |||
7457 | SemaRef.Diag(E->getExprLoc(), diag::err_omp_stmt_depends_on_loop_counter) | |||
7458 | << (IsInitializer ? 0 : 1); | |||
7459 | return false; | |||
7460 | } | |||
7461 | const auto &&Data = Stack.isLoopControlVariable(VD); | |||
7462 | // OpenMP, 2.9.1 Canonical Loop Form, Restrictions. | |||
7463 | // The type of the loop iterator on which we depend may not have a random | |||
7464 | // access iterator type. | |||
7465 | if (Data.first && VD->getType()->isRecordType()) { | |||
7466 | SmallString<128> Name; | |||
7467 | llvm::raw_svector_ostream OS(Name); | |||
7468 | VD->getNameForDiagnostic(OS, SemaRef.getPrintingPolicy(), | |||
7469 | /*Qualified=*/true); | |||
7470 | SemaRef.Diag(E->getExprLoc(), | |||
7471 | diag::err_omp_wrong_dependency_iterator_type) | |||
7472 | << OS.str(); | |||
7473 | SemaRef.Diag(VD->getLocation(), diag::note_previous_decl) << VD; | |||
7474 | return false; | |||
7475 | } | |||
7476 | if (Data.first && !SupportsNonRectangular) { | |||
7477 | SemaRef.Diag(E->getExprLoc(), diag::err_omp_invariant_dependency); | |||
7478 | return false; | |||
7479 | } | |||
7480 | if (Data.first && | |||
7481 | (DepDecl || (PrevDepDecl && | |||
7482 | getCanonicalDecl(VD) != getCanonicalDecl(PrevDepDecl)))) { | |||
7483 | if (!DepDecl && PrevDepDecl) | |||
7484 | DepDecl = PrevDepDecl; | |||
7485 | SmallString<128> Name; | |||
7486 | llvm::raw_svector_ostream OS(Name); | |||
7487 | DepDecl->getNameForDiagnostic(OS, SemaRef.getPrintingPolicy(), | |||
7488 | /*Qualified=*/true); | |||
7489 | SemaRef.Diag(E->getExprLoc(), | |||
7490 | diag::err_omp_invariant_or_linear_dependency) | |||
7491 | << OS.str(); | |||
7492 | return false; | |||
7493 | } | |||
7494 | if (Data.first) { | |||
7495 | DepDecl = VD; | |||
7496 | BaseLoopId = Data.first; | |||
7497 | } | |||
7498 | return Data.first; | |||
7499 | } | |||
7500 | ||||
7501 | public: | |||
7502 | bool VisitDeclRefExpr(const DeclRefExpr *E) { | |||
7503 | const ValueDecl *VD = E->getDecl(); | |||
7504 | if (isa<VarDecl>(VD)) | |||
7505 | return checkDecl(E, VD); | |||
7506 | return false; | |||
7507 | } | |||
7508 | bool VisitMemberExpr(const MemberExpr *E) { | |||
7509 | if (isa<CXXThisExpr>(E->getBase()->IgnoreParens())) { | |||
7510 | const ValueDecl *VD = E->getMemberDecl(); | |||
7511 | if (isa<VarDecl>(VD) || isa<FieldDecl>(VD)) | |||
7512 | return checkDecl(E, VD); | |||
7513 | } | |||
7514 | return false; | |||
7515 | } | |||
7516 | bool VisitStmt(const Stmt *S) { | |||
7517 | bool Res = false; | |||
7518 | for (const Stmt *Child : S->children()) | |||
7519 | Res = (Child && Visit(Child)) || Res; | |||
7520 | return Res; | |||
7521 | } | |||
7522 | explicit LoopCounterRefChecker(Sema &SemaRef, DSAStackTy &Stack, | |||
7523 | const ValueDecl *CurLCDecl, bool IsInitializer, | |||
7524 | const ValueDecl *PrevDepDecl = nullptr, | |||
7525 | bool SupportsNonRectangular = true) | |||
7526 | : SemaRef(SemaRef), Stack(Stack), CurLCDecl(CurLCDecl), | |||
7527 | PrevDepDecl(PrevDepDecl), IsInitializer(IsInitializer), | |||
7528 | SupportsNonRectangular(SupportsNonRectangular) {} | |||
7529 | unsigned getBaseLoopId() const { | |||
7530 | assert(CurLCDecl && "Expected loop dependency.")((void)0); | |||
7531 | return BaseLoopId; | |||
7532 | } | |||
7533 | const ValueDecl *getDepDecl() const { | |||
7534 | assert(CurLCDecl && "Expected loop dependency.")((void)0); | |||
7535 | return DepDecl; | |||
7536 | } | |||
7537 | }; | |||
7538 | } // namespace | |||
7539 | ||||
7540 | Optional<unsigned> | |||
7541 | OpenMPIterationSpaceChecker::doesDependOnLoopCounter(const Stmt *S, | |||
7542 | bool IsInitializer) { | |||
7543 | // Check for the non-rectangular loops. | |||
7544 | LoopCounterRefChecker LoopStmtChecker(SemaRef, Stack, LCDecl, IsInitializer, | |||
7545 | DepDecl, SupportsNonRectangular); | |||
7546 | if (LoopStmtChecker.Visit(S)) { | |||
7547 | DepDecl = LoopStmtChecker.getDepDecl(); | |||
7548 | return LoopStmtChecker.getBaseLoopId(); | |||
7549 | } | |||
7550 | return llvm::None; | |||
7551 | } | |||
7552 | ||||
7553 | bool OpenMPIterationSpaceChecker::checkAndSetInit(Stmt *S, bool EmitDiags) { | |||
7554 | // Check init-expr for canonical loop form and save loop counter | |||
7555 | // variable - #Var and its initialization value - #LB. | |||
7556 | // OpenMP [2.6] Canonical loop form. init-expr may be one of the following: | |||
7557 | // var = lb | |||
7558 | // integer-type var = lb | |||
7559 | // random-access-iterator-type var = lb | |||
7560 | // pointer-type var = lb | |||
7561 | // | |||
7562 | if (!S) { | |||
7563 | if (EmitDiags) { | |||
7564 | SemaRef.Diag(DefaultLoc, diag::err_omp_loop_not_canonical_init); | |||
7565 | } | |||
7566 | return true; | |||
7567 | } | |||
7568 | if (auto *ExprTemp = dyn_cast<ExprWithCleanups>(S)) | |||
7569 | if (!ExprTemp->cleanupsHaveSideEffects()) | |||
7570 | S = ExprTemp->getSubExpr(); | |||
7571 | ||||
7572 | InitSrcRange = S->getSourceRange(); | |||
7573 | if (Expr *E = dyn_cast<Expr>(S)) | |||
7574 | S = E->IgnoreParens(); | |||
7575 | if (auto *BO = dyn_cast<BinaryOperator>(S)) { | |||
7576 | if (BO->getOpcode() == BO_Assign) { | |||
7577 | Expr *LHS = BO->getLHS()->IgnoreParens(); | |||
7578 | if (auto *DRE = dyn_cast<DeclRefExpr>(LHS)) { | |||
7579 | if (auto *CED = dyn_cast<OMPCapturedExprDecl>(DRE->getDecl())) | |||
7580 | if (auto *ME = dyn_cast<MemberExpr>(getExprAsWritten(CED->getInit()))) | |||
7581 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), | |||
7582 | EmitDiags); | |||
7583 | return setLCDeclAndLB(DRE->getDecl(), DRE, BO->getRHS(), EmitDiags); | |||
7584 | } | |||
7585 | if (auto *ME = dyn_cast<MemberExpr>(LHS)) { | |||
7586 | if (ME->isArrow() && | |||
7587 | isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) | |||
7588 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), | |||
7589 | EmitDiags); | |||
7590 | } | |||
7591 | } | |||
7592 | } else if (auto *DS = dyn_cast<DeclStmt>(S)) { | |||
7593 | if (DS->isSingleDecl()) { | |||
7594 | if (auto *Var = dyn_cast_or_null<VarDecl>(DS->getSingleDecl())) { | |||
7595 | if (Var->hasInit() && !Var->getType()->isReferenceType()) { | |||
7596 | // Accept non-canonical init form here but emit ext. warning. | |||
7597 | if (Var->getInitStyle() != VarDecl::CInit && EmitDiags) | |||
7598 | SemaRef.Diag(S->getBeginLoc(), | |||
7599 | diag::ext_omp_loop_not_canonical_init) | |||
7600 | << S->getSourceRange(); | |||
7601 | return setLCDeclAndLB( | |||
7602 | Var, | |||
7603 | buildDeclRefExpr(SemaRef, Var, | |||
7604 | Var->getType().getNonReferenceType(), | |||
7605 | DS->getBeginLoc()), | |||
7606 | Var->getInit(), EmitDiags); | |||
7607 | } | |||
7608 | } | |||
7609 | } | |||
7610 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(S)) { | |||
7611 | if (CE->getOperator() == OO_Equal) { | |||
7612 | Expr *LHS = CE->getArg(0); | |||
7613 | if (auto *DRE = dyn_cast<DeclRefExpr>(LHS)) { | |||
7614 | if (auto *CED = dyn_cast<OMPCapturedExprDecl>(DRE->getDecl())) | |||
7615 | if (auto *ME = dyn_cast<MemberExpr>(getExprAsWritten(CED->getInit()))) | |||
7616 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), | |||
7617 | EmitDiags); | |||
7618 | return setLCDeclAndLB(DRE->getDecl(), DRE, CE->getArg(1), EmitDiags); | |||
7619 | } | |||
7620 | if (auto *ME = dyn_cast<MemberExpr>(LHS)) { | |||
7621 | if (ME->isArrow() && | |||
7622 | isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) | |||
7623 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), | |||
7624 | EmitDiags); | |||
7625 | } | |||
7626 | } | |||
7627 | } | |||
7628 | ||||
7629 | if (dependent() || SemaRef.CurContext->isDependentContext()) | |||
7630 | return false; | |||
7631 | if (EmitDiags) { | |||
7632 | SemaRef.Diag(S->getBeginLoc(), diag::err_omp_loop_not_canonical_init) | |||
7633 | << S->getSourceRange(); | |||
7634 | } | |||
7635 | return true; | |||
7636 | } | |||
7637 | ||||
7638 | /// Ignore parenthesizes, implicit casts, copy constructor and return the | |||
7639 | /// variable (which may be the loop variable) if possible. | |||
7640 | static const ValueDecl *getInitLCDecl(const Expr *E) { | |||
7641 | if (!E) | |||
7642 | return nullptr; | |||
7643 | E = getExprAsWritten(E); | |||
7644 | if (const auto *CE = dyn_cast_or_null<CXXConstructExpr>(E)) | |||
7645 | if (const CXXConstructorDecl *Ctor = CE->getConstructor()) | |||
7646 | if ((Ctor->isCopyOrMoveConstructor() || | |||
7647 | Ctor->isConvertingConstructor(/*AllowExplicit=*/false)) && | |||
7648 | CE->getNumArgs() > 0 && CE->getArg(0) != nullptr) | |||
7649 | E = CE->getArg(0)->IgnoreParenImpCasts(); | |||
7650 | if (const auto *DRE = dyn_cast_or_null<DeclRefExpr>(E)) { | |||
7651 | if (const auto *VD = dyn_cast<VarDecl>(DRE->getDecl())) | |||
7652 | return getCanonicalDecl(VD); | |||
7653 | } | |||
7654 | if (const auto *ME = dyn_cast_or_null<MemberExpr>(E)) | |||
7655 | if (ME->isArrow() && isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) | |||
7656 | return getCanonicalDecl(ME->getMemberDecl()); | |||
7657 | return nullptr; | |||
7658 | } | |||
7659 | ||||
7660 | bool OpenMPIterationSpaceChecker::checkAndSetCond(Expr *S) { | |||
7661 | // Check test-expr for canonical form, save upper-bound UB, flags for | |||
7662 | // less/greater and for strict/non-strict comparison. | |||
7663 | // OpenMP [2.9] Canonical loop form. Test-expr may be one of the following: | |||
7664 | // var relational-op b | |||
7665 | // b relational-op var | |||
7666 | // | |||
7667 | bool IneqCondIsCanonical = SemaRef.getLangOpts().OpenMP >= 50; | |||
7668 | if (!S) { | |||
7669 | SemaRef.Diag(DefaultLoc, diag::err_omp_loop_not_canonical_cond) | |||
7670 | << (IneqCondIsCanonical ? 1 : 0) << LCDecl; | |||
7671 | return true; | |||
7672 | } | |||
7673 | Condition = S; | |||
7674 | S = getExprAsWritten(S); | |||
7675 | SourceLocation CondLoc = S->getBeginLoc(); | |||
7676 | auto &&CheckAndSetCond = [this, IneqCondIsCanonical]( | |||
7677 | BinaryOperatorKind Opcode, const Expr *LHS, | |||
7678 | const Expr *RHS, SourceRange SR, | |||
7679 | SourceLocation OpLoc) -> llvm::Optional<bool> { | |||
7680 | if (BinaryOperator::isRelationalOp(Opcode)) { | |||
7681 | if (getInitLCDecl(LHS) == LCDecl) | |||
7682 | return setUB(const_cast<Expr *>(RHS), | |||
7683 | (Opcode == BO_LT || Opcode == BO_LE), | |||
7684 | (Opcode == BO_LT || Opcode == BO_GT), SR, OpLoc); | |||
7685 | if (getInitLCDecl(RHS) == LCDecl) | |||
7686 | return setUB(const_cast<Expr *>(LHS), | |||
7687 | (Opcode == BO_GT || Opcode == BO_GE), | |||
7688 | (Opcode == BO_LT || Opcode == BO_GT), SR, OpLoc); | |||
7689 | } else if (IneqCondIsCanonical && Opcode == BO_NE) { | |||
7690 | return setUB(const_cast<Expr *>(getInitLCDecl(LHS) == LCDecl ? RHS : LHS), | |||
7691 | /*LessOp=*/llvm::None, | |||
7692 | /*StrictOp=*/true, SR, OpLoc); | |||
7693 | } | |||
7694 | return llvm::None; | |||
7695 | }; | |||
7696 | llvm::Optional<bool> Res; | |||
7697 | if (auto *RBO = dyn_cast<CXXRewrittenBinaryOperator>(S)) { | |||
7698 | CXXRewrittenBinaryOperator::DecomposedForm DF = RBO->getDecomposedForm(); | |||
7699 | Res = CheckAndSetCond(DF.Opcode, DF.LHS, DF.RHS, RBO->getSourceRange(), | |||
7700 | RBO->getOperatorLoc()); | |||
7701 | } else if (auto *BO = dyn_cast<BinaryOperator>(S)) { | |||
7702 | Res = CheckAndSetCond(BO->getOpcode(), BO->getLHS(), BO->getRHS(), | |||
7703 | BO->getSourceRange(), BO->getOperatorLoc()); | |||
7704 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(S)) { | |||
7705 | if (CE->getNumArgs() == 2) { | |||
7706 | Res = CheckAndSetCond( | |||
7707 | BinaryOperator::getOverloadedOpcode(CE->getOperator()), CE->getArg(0), | |||
7708 | CE->getArg(1), CE->getSourceRange(), CE->getOperatorLoc()); | |||
7709 | } | |||
7710 | } | |||
7711 | if (Res.hasValue()) | |||
7712 | return *Res; | |||
7713 | if (dependent() || SemaRef.CurContext->isDependentContext()) | |||
7714 | return false; | |||
7715 | SemaRef.Diag(CondLoc, diag::err_omp_loop_not_canonical_cond) | |||
7716 | << (IneqCondIsCanonical ? 1 : 0) << S->getSourceRange() << LCDecl; | |||
7717 | return true; | |||
7718 | } | |||
7719 | ||||
7720 | bool OpenMPIterationSpaceChecker::checkAndSetIncRHS(Expr *RHS) { | |||
7721 | // RHS of canonical loop form increment can be: | |||
7722 | // var + incr | |||
7723 | // incr + var | |||
7724 | // var - incr | |||
7725 | // | |||
7726 | RHS = RHS->IgnoreParenImpCasts(); | |||
7727 | if (auto *BO = dyn_cast<BinaryOperator>(RHS)) { | |||
7728 | if (BO->isAdditiveOp()) { | |||
7729 | bool IsAdd = BO->getOpcode() == BO_Add; | |||
7730 | if (getInitLCDecl(BO->getLHS()) == LCDecl) | |||
7731 | return setStep(BO->getRHS(), !IsAdd); | |||
7732 | if (IsAdd && getInitLCDecl(BO->getRHS()) == LCDecl) | |||
7733 | return setStep(BO->getLHS(), /*Subtract=*/false); | |||
7734 | } | |||
7735 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(RHS)) { | |||
7736 | bool IsAdd = CE->getOperator() == OO_Plus; | |||
7737 | if ((IsAdd || CE->getOperator() == OO_Minus) && CE->getNumArgs() == 2) { | |||
7738 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) | |||
7739 | return setStep(CE->getArg(1), !IsAdd); | |||
7740 | if (IsAdd && getInitLCDecl(CE->getArg(1)) == LCDecl) | |||
7741 | return setStep(CE->getArg(0), /*Subtract=*/false); | |||
7742 | } | |||
7743 | } | |||
7744 | if (dependent() || SemaRef.CurContext->isDependentContext()) | |||
7745 | return false; | |||
7746 | SemaRef.Diag(RHS->getBeginLoc(), diag::err_omp_loop_not_canonical_incr) | |||
7747 | << RHS->getSourceRange() << LCDecl; | |||
7748 | return true; | |||
7749 | } | |||
7750 | ||||
7751 | bool OpenMPIterationSpaceChecker::checkAndSetInc(Expr *S) { | |||
7752 | // Check incr-expr for canonical loop form and return true if it | |||
7753 | // does not conform. | |||
7754 | // OpenMP [2.6] Canonical loop form. Test-expr may be one of the following: | |||
7755 | // ++var | |||
7756 | // var++ | |||
7757 | // --var | |||
7758 | // var-- | |||
7759 | // var += incr | |||
7760 | // var -= incr | |||
7761 | // var = var + incr | |||
7762 | // var = incr + var | |||
7763 | // var = var - incr | |||
7764 | // | |||
7765 | if (!S) { | |||
7766 | SemaRef.Diag(DefaultLoc, diag::err_omp_loop_not_canonical_incr) << LCDecl; | |||
7767 | return true; | |||
7768 | } | |||
7769 | if (auto *ExprTemp = dyn_cast<ExprWithCleanups>(S)) | |||
7770 | if (!ExprTemp->cleanupsHaveSideEffects()) | |||
7771 | S = ExprTemp->getSubExpr(); | |||
7772 | ||||
7773 | IncrementSrcRange = S->getSourceRange(); | |||
7774 | S = S->IgnoreParens(); | |||
7775 | if (auto *UO = dyn_cast<UnaryOperator>(S)) { | |||
7776 | if (UO->isIncrementDecrementOp() && | |||
7777 | getInitLCDecl(UO->getSubExpr()) == LCDecl) | |||
7778 | return setStep(SemaRef | |||
7779 | .ActOnIntegerConstant(UO->getBeginLoc(), | |||
7780 | (UO->isDecrementOp() ? -1 : 1)) | |||
7781 | .get(), | |||
7782 | /*Subtract=*/false); | |||
7783 | } else if (auto *BO = dyn_cast<BinaryOperator>(S)) { | |||
7784 | switch (BO->getOpcode()) { | |||
7785 | case BO_AddAssign: | |||
7786 | case BO_SubAssign: | |||
7787 | if (getInitLCDecl(BO->getLHS()) == LCDecl) | |||
7788 | return setStep(BO->getRHS(), BO->getOpcode() == BO_SubAssign); | |||
7789 | break; | |||
7790 | case BO_Assign: | |||
7791 | if (getInitLCDecl(BO->getLHS()) == LCDecl) | |||
7792 | return checkAndSetIncRHS(BO->getRHS()); | |||
7793 | break; | |||
7794 | default: | |||
7795 | break; | |||
7796 | } | |||
7797 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(S)) { | |||
7798 | switch (CE->getOperator()) { | |||
7799 | case OO_PlusPlus: | |||
7800 | case OO_MinusMinus: | |||
7801 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) | |||
7802 | return setStep(SemaRef | |||
7803 | .ActOnIntegerConstant( | |||
7804 | CE->getBeginLoc(), | |||
7805 | ((CE->getOperator() == OO_MinusMinus) ? -1 : 1)) | |||
7806 | .get(), | |||
7807 | /*Subtract=*/false); | |||
7808 | break; | |||
7809 | case OO_PlusEqual: | |||
7810 | case OO_MinusEqual: | |||
7811 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) | |||
7812 | return setStep(CE->getArg(1), CE->getOperator() == OO_MinusEqual); | |||
7813 | break; | |||
7814 | case OO_Equal: | |||
7815 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) | |||
7816 | return checkAndSetIncRHS(CE->getArg(1)); | |||
7817 | break; | |||
7818 | default: | |||
7819 | break; | |||
7820 | } | |||
7821 | } | |||
7822 | if (dependent() || SemaRef.CurContext->isDependentContext()) | |||
7823 | return false; | |||
7824 | SemaRef.Diag(S->getBeginLoc(), diag::err_omp_loop_not_canonical_incr) | |||
7825 | << S->getSourceRange() << LCDecl; | |||
7826 | return true; | |||
7827 | } | |||
7828 | ||||
7829 | static ExprResult | |||
7830 | tryBuildCapture(Sema &SemaRef, Expr *Capture, | |||
7831 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { | |||
7832 | if (SemaRef.CurContext->isDependentContext() || Capture->containsErrors()) | |||
7833 | return Capture; | |||
7834 | if (Capture->isEvaluatable(SemaRef.Context, Expr::SE_AllowSideEffects)) | |||
7835 | return SemaRef.PerformImplicitConversion( | |||
7836 | Capture->IgnoreImpCasts(), Capture->getType(), Sema::AA_Converting, | |||
7837 | /*AllowExplicit=*/true); | |||
7838 | auto I = Captures.find(Capture); | |||
7839 | if (I != Captures.end()) | |||
7840 | return buildCapture(SemaRef, Capture, I->second); | |||
7841 | DeclRefExpr *Ref = nullptr; | |||
7842 | ExprResult Res = buildCapture(SemaRef, Capture, Ref); | |||
7843 | Captures[Capture] = Ref; | |||
7844 | return Res; | |||
7845 | } | |||
7846 | ||||
7847 | /// Calculate number of iterations, transforming to unsigned, if number of | |||
7848 | /// iterations may be larger than the original type. | |||
7849 | static Expr * | |||
7850 | calculateNumIters(Sema &SemaRef, Scope *S, SourceLocation DefaultLoc, | |||
7851 | Expr *Lower, Expr *Upper, Expr *Step, QualType LCTy, | |||
7852 | bool TestIsStrictOp, bool RoundToStep, | |||
7853 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { | |||
7854 | ExprResult NewStep = tryBuildCapture(SemaRef, Step, Captures); | |||
7855 | if (!NewStep.isUsable()) | |||
7856 | return nullptr; | |||
7857 | llvm::APSInt LRes, SRes; | |||
7858 | bool IsLowerConst = false, IsStepConst = false; | |||
7859 | if (Optional<llvm::APSInt> Res = Lower->getIntegerConstantExpr(SemaRef.Context)) { | |||
7860 | LRes = *Res; | |||
7861 | IsLowerConst = true; | |||
7862 | } | |||
7863 | if (Optional<llvm::APSInt> Res = Step->getIntegerConstantExpr(SemaRef.Context)) { | |||
7864 | SRes = *Res; | |||
7865 | IsStepConst = true; | |||
7866 | } | |||
7867 | bool NoNeedToConvert = IsLowerConst && !RoundToStep && | |||
7868 | ((!TestIsStrictOp && LRes.isNonNegative()) || | |||
7869 | (TestIsStrictOp && LRes.isStrictlyPositive())); | |||
7870 | bool NeedToReorganize = false; | |||
7871 | // Check if any subexpressions in Lower -Step [+ 1] lead to overflow. | |||
7872 | if (!NoNeedToConvert && IsLowerConst && | |||
7873 | (TestIsStrictOp || (RoundToStep && IsStepConst))) { | |||
7874 | NoNeedToConvert = true; | |||
7875 | if (RoundToStep) { | |||
7876 | unsigned BW = LRes.getBitWidth() > SRes.getBitWidth() | |||
7877 | ? LRes.getBitWidth() | |||
7878 | : SRes.getBitWidth(); | |||
7879 | LRes = LRes.extend(BW + 1); | |||
7880 | LRes.setIsSigned(true); | |||
7881 | SRes = SRes.extend(BW + 1); | |||
7882 | SRes.setIsSigned(true); | |||
7883 | LRes -= SRes; | |||
7884 | NoNeedToConvert = LRes.trunc(BW).extend(BW + 1) == LRes; | |||
7885 | LRes = LRes.trunc(BW); | |||
7886 | } | |||
7887 | if (TestIsStrictOp) { | |||
7888 | unsigned BW = LRes.getBitWidth(); | |||
7889 | LRes = LRes.extend(BW + 1); | |||
7890 | LRes.setIsSigned(true); | |||
7891 | ++LRes; | |||
7892 | NoNeedToConvert = | |||
7893 | NoNeedToConvert && LRes.trunc(BW).extend(BW + 1) == LRes; | |||
7894 | // truncate to the original bitwidth. | |||
7895 | LRes = LRes.trunc(BW); | |||
7896 | } | |||
7897 | NeedToReorganize = NoNeedToConvert; | |||
7898 | } | |||
7899 | llvm::APSInt URes; | |||
7900 | bool IsUpperConst = false; | |||
7901 | if (Optional<llvm::APSInt> Res = Upper->getIntegerConstantExpr(SemaRef.Context)) { | |||
7902 | URes = *Res; | |||
7903 | IsUpperConst = true; | |||
7904 | } | |||
7905 | if (NoNeedToConvert && IsLowerConst && IsUpperConst && | |||
7906 | (!RoundToStep || IsStepConst)) { | |||
7907 | unsigned BW = LRes.getBitWidth() > URes.getBitWidth() ? LRes.getBitWidth() | |||
7908 | : URes.getBitWidth(); | |||
7909 | LRes = LRes.extend(BW + 1); | |||
7910 | LRes.setIsSigned(true); | |||
7911 | URes = URes.extend(BW + 1); | |||
7912 | URes.setIsSigned(true); | |||
7913 | URes -= LRes; | |||
7914 | NoNeedToConvert = URes.trunc(BW).extend(BW + 1) == URes; | |||
7915 | NeedToReorganize = NoNeedToConvert; | |||
7916 | } | |||
7917 | // If the boundaries are not constant or (Lower - Step [+ 1]) is not constant | |||
7918 | // or less than zero (Upper - (Lower - Step [+ 1]) may overflow) - promote to | |||
7919 | // unsigned. | |||
7920 | if ((!NoNeedToConvert || (LRes.isNegative() && !IsUpperConst)) && | |||
7921 | !LCTy->isDependentType() && LCTy->isIntegerType()) { | |||
7922 | QualType LowerTy = Lower->getType(); | |||
7923 | QualType UpperTy = Upper->getType(); | |||
7924 | uint64_t LowerSize = SemaRef.Context.getTypeSize(LowerTy); | |||
7925 | uint64_t UpperSize = SemaRef.Context.getTypeSize(UpperTy); | |||
7926 | if ((LowerSize <= UpperSize && UpperTy->hasSignedIntegerRepresentation()) || | |||
7927 | (LowerSize > UpperSize && LowerTy->hasSignedIntegerRepresentation())) { | |||
7928 | QualType CastType = SemaRef.Context.getIntTypeForBitwidth( | |||
7929 | LowerSize > UpperSize ? LowerSize : UpperSize, /*Signed=*/0); | |||
7930 | Upper = | |||
7931 | SemaRef | |||
7932 | .PerformImplicitConversion( | |||
7933 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Upper).get(), | |||
7934 | CastType, Sema::AA_Converting) | |||
7935 | .get(); | |||
7936 | Lower = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Lower).get(); | |||
7937 | NewStep = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, NewStep.get()); | |||
7938 | } | |||
7939 | } | |||
7940 | if (!Lower || !Upper || NewStep.isInvalid()) | |||
7941 | return nullptr; | |||
7942 | ||||
7943 | ExprResult Diff; | |||
7944 | // If need to reorganize, then calculate the form as Upper - (Lower - Step [+ | |||
7945 | // 1]). | |||
7946 | if (NeedToReorganize) { | |||
7947 | Diff = Lower; | |||
7948 | ||||
7949 | if (RoundToStep) { | |||
7950 | // Lower - Step | |||
7951 | Diff = | |||
7952 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Diff.get(), NewStep.get()); | |||
7953 | if (!Diff.isUsable()) | |||
7954 | return nullptr; | |||
7955 | } | |||
7956 | ||||
7957 | // Lower - Step [+ 1] | |||
7958 | if (TestIsStrictOp) | |||
7959 | Diff = SemaRef.BuildBinOp( | |||
7960 | S, DefaultLoc, BO_Add, Diff.get(), | |||
7961 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); | |||
7962 | if (!Diff.isUsable()) | |||
7963 | return nullptr; | |||
7964 | ||||
7965 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); | |||
7966 | if (!Diff.isUsable()) | |||
7967 | return nullptr; | |||
7968 | ||||
7969 | // Upper - (Lower - Step [+ 1]). | |||
7970 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Upper, Diff.get()); | |||
7971 | if (!Diff.isUsable()) | |||
7972 | return nullptr; | |||
7973 | } else { | |||
7974 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Upper, Lower); | |||
7975 | ||||
7976 | if (!Diff.isUsable() && LCTy->getAsCXXRecordDecl()) { | |||
7977 | // BuildBinOp already emitted error, this one is to point user to upper | |||
7978 | // and lower bound, and to tell what is passed to 'operator-'. | |||
7979 | SemaRef.Diag(Upper->getBeginLoc(), diag::err_omp_loop_diff_cxx) | |||
7980 | << Upper->getSourceRange() << Lower->getSourceRange(); | |||
7981 | return nullptr; | |||
7982 | } | |||
7983 | ||||
7984 | if (!Diff.isUsable()) | |||
7985 | return nullptr; | |||
7986 | ||||
7987 | // Upper - Lower [- 1] | |||
7988 | if (TestIsStrictOp) | |||
7989 | Diff = SemaRef.BuildBinOp( | |||
7990 | S, DefaultLoc, BO_Sub, Diff.get(), | |||
7991 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); | |||
7992 | if (!Diff.isUsable()) | |||
7993 | return nullptr; | |||
7994 | ||||
7995 | if (RoundToStep) { | |||
7996 | // Upper - Lower [- 1] + Step | |||
7997 | Diff = | |||
7998 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Add, Diff.get(), NewStep.get()); | |||
7999 | if (!Diff.isUsable()) | |||
8000 | return nullptr; | |||
8001 | } | |||
8002 | } | |||
8003 | ||||
8004 | // Parentheses (for dumping/debugging purposes only). | |||
8005 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); | |||
8006 | if (!Diff.isUsable()) | |||
8007 | return nullptr; | |||
8008 | ||||
8009 | // (Upper - Lower [- 1] + Step) / Step or (Upper - Lower) / Step | |||
8010 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Div, Diff.get(), NewStep.get()); | |||
8011 | if (!Diff.isUsable()) | |||
8012 | return nullptr; | |||
8013 | ||||
8014 | return Diff.get(); | |||
8015 | } | |||
8016 | ||||
8017 | /// Build the expression to calculate the number of iterations. | |||
8018 | Expr *OpenMPIterationSpaceChecker::buildNumIterations( | |||
8019 | Scope *S, ArrayRef<LoopIterationSpace> ResultIterSpaces, bool LimitedType, | |||
8020 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const { | |||
8021 | QualType VarType = LCDecl->getType().getNonReferenceType(); | |||
8022 | if (!VarType->isIntegerType() && !VarType->isPointerType() && | |||
8023 | !SemaRef.getLangOpts().CPlusPlus) | |||
8024 | return nullptr; | |||
8025 | Expr *LBVal = LB; | |||
8026 | Expr *UBVal = UB; | |||
8027 | // LB = TestIsLessOp.getValue() ? min(LB(MinVal), LB(MaxVal)) : | |||
8028 | // max(LB(MinVal), LB(MaxVal)) | |||
8029 | if (InitDependOnLC) { | |||
8030 | const LoopIterationSpace &IS = ResultIterSpaces[*InitDependOnLC - 1]; | |||
8031 | if (!IS.MinValue || !IS.MaxValue) | |||
8032 | return nullptr; | |||
8033 | // OuterVar = Min | |||
8034 | ExprResult MinValue = | |||
8035 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MinValue); | |||
8036 | if (!MinValue.isUsable()) | |||
8037 | return nullptr; | |||
8038 | ||||
8039 | ExprResult LBMinVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, | |||
8040 | IS.CounterVar, MinValue.get()); | |||
8041 | if (!LBMinVal.isUsable()) | |||
8042 | return nullptr; | |||
8043 | // OuterVar = Min, LBVal | |||
8044 | LBMinVal = | |||
8045 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, LBMinVal.get(), LBVal); | |||
8046 | if (!LBMinVal.isUsable()) | |||
8047 | return nullptr; | |||
8048 | // (OuterVar = Min, LBVal) | |||
8049 | LBMinVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, LBMinVal.get()); | |||
8050 | if (!LBMinVal.isUsable()) | |||
8051 | return nullptr; | |||
8052 | ||||
8053 | // OuterVar = Max | |||
8054 | ExprResult MaxValue = | |||
8055 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MaxValue); | |||
8056 | if (!MaxValue.isUsable()) | |||
8057 | return nullptr; | |||
8058 | ||||
8059 | ExprResult LBMaxVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, | |||
8060 | IS.CounterVar, MaxValue.get()); | |||
8061 | if (!LBMaxVal.isUsable()) | |||
8062 | return nullptr; | |||
8063 | // OuterVar = Max, LBVal | |||
8064 | LBMaxVal = | |||
8065 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, LBMaxVal.get(), LBVal); | |||
8066 | if (!LBMaxVal.isUsable()) | |||
8067 | return nullptr; | |||
8068 | // (OuterVar = Max, LBVal) | |||
8069 | LBMaxVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, LBMaxVal.get()); | |||
8070 | if (!LBMaxVal.isUsable()) | |||
8071 | return nullptr; | |||
8072 | ||||
8073 | Expr *LBMin = tryBuildCapture(SemaRef, LBMinVal.get(), Captures).get(); | |||
8074 | Expr *LBMax = tryBuildCapture(SemaRef, LBMaxVal.get(), Captures).get(); | |||
8075 | if (!LBMin || !LBMax) | |||
8076 | return nullptr; | |||
8077 | // LB(MinVal) < LB(MaxVal) | |||
8078 | ExprResult MinLessMaxRes = | |||
8079 | SemaRef.BuildBinOp(S, DefaultLoc, BO_LT, LBMin, LBMax); | |||
8080 | if (!MinLessMaxRes.isUsable()) | |||
8081 | return nullptr; | |||
8082 | Expr *MinLessMax = | |||
8083 | tryBuildCapture(SemaRef, MinLessMaxRes.get(), Captures).get(); | |||
8084 | if (!MinLessMax) | |||
8085 | return nullptr; | |||
8086 | if (TestIsLessOp.getValue()) { | |||
8087 | // LB(MinVal) < LB(MaxVal) ? LB(MinVal) : LB(MaxVal) - min(LB(MinVal), | |||
8088 | // LB(MaxVal)) | |||
8089 | ExprResult MinLB = SemaRef.ActOnConditionalOp(DefaultLoc, DefaultLoc, | |||
8090 | MinLessMax, LBMin, LBMax); | |||
8091 | if (!MinLB.isUsable()) | |||
8092 | return nullptr; | |||
8093 | LBVal = MinLB.get(); | |||
8094 | } else { | |||
8095 | // LB(MinVal) < LB(MaxVal) ? LB(MaxVal) : LB(MinVal) - max(LB(MinVal), | |||
8096 | // LB(MaxVal)) | |||
8097 | ExprResult MaxLB = SemaRef.ActOnConditionalOp(DefaultLoc, DefaultLoc, | |||
8098 | MinLessMax, LBMax, LBMin); | |||
8099 | if (!MaxLB.isUsable()) | |||
8100 | return nullptr; | |||
8101 | LBVal = MaxLB.get(); | |||
8102 | } | |||
8103 | } | |||
8104 | // UB = TestIsLessOp.getValue() ? max(UB(MinVal), UB(MaxVal)) : | |||
8105 | // min(UB(MinVal), UB(MaxVal)) | |||
8106 | if (CondDependOnLC) { | |||
8107 | const LoopIterationSpace &IS = ResultIterSpaces[*CondDependOnLC - 1]; | |||
8108 | if (!IS.MinValue || !IS.MaxValue) | |||
8109 | return nullptr; | |||
8110 | // OuterVar = Min | |||
8111 | ExprResult MinValue = | |||
8112 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MinValue); | |||
8113 | if (!MinValue.isUsable()) | |||
8114 | return nullptr; | |||
8115 | ||||
8116 | ExprResult UBMinVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, | |||
8117 | IS.CounterVar, MinValue.get()); | |||
8118 | if (!UBMinVal.isUsable()) | |||
8119 | return nullptr; | |||
8120 | // OuterVar = Min, UBVal | |||
8121 | UBMinVal = | |||
8122 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, UBMinVal.get(), UBVal); | |||
8123 | if (!UBMinVal.isUsable()) | |||
8124 | return nullptr; | |||
8125 | // (OuterVar = Min, UBVal) | |||
8126 | UBMinVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, UBMinVal.get()); | |||
8127 | if (!UBMinVal.isUsable()) | |||
8128 | return nullptr; | |||
8129 | ||||
8130 | // OuterVar = Max | |||
8131 | ExprResult MaxValue = | |||
8132 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MaxValue); | |||
8133 | if (!MaxValue.isUsable()) | |||
8134 | return nullptr; | |||
8135 | ||||
8136 | ExprResult UBMaxVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, | |||
8137 | IS.CounterVar, MaxValue.get()); | |||
8138 | if (!UBMaxVal.isUsable()) | |||
8139 | return nullptr; | |||
8140 | // OuterVar = Max, UBVal | |||
8141 | UBMaxVal = | |||
8142 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, UBMaxVal.get(), UBVal); | |||
8143 | if (!UBMaxVal.isUsable()) | |||
8144 | return nullptr; | |||
8145 | // (OuterVar = Max, UBVal) | |||
8146 | UBMaxVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, UBMaxVal.get()); | |||
8147 | if (!UBMaxVal.isUsable()) | |||
8148 | return nullptr; | |||
8149 | ||||
8150 | Expr *UBMin = tryBuildCapture(SemaRef, UBMinVal.get(), Captures).get(); | |||
8151 | Expr *UBMax = tryBuildCapture(SemaRef, UBMaxVal.get(), Captures).get(); | |||
8152 | if (!UBMin || !UBMax) | |||
8153 | return nullptr; | |||
8154 | // UB(MinVal) > UB(MaxVal) | |||
8155 | ExprResult MinGreaterMaxRes = | |||
8156 | SemaRef.BuildBinOp(S, DefaultLoc, BO_GT, UBMin, UBMax); | |||
8157 | if (!MinGreaterMaxRes.isUsable()) | |||
8158 | return nullptr; | |||
8159 | Expr *MinGreaterMax = | |||
8160 | tryBuildCapture(SemaRef, MinGreaterMaxRes.get(), Captures).get(); | |||
8161 | if (!MinGreaterMax) | |||
8162 | return nullptr; | |||
8163 | if (TestIsLessOp.getValue()) { | |||
8164 | // UB(MinVal) > UB(MaxVal) ? UB(MinVal) : UB(MaxVal) - max(UB(MinVal), | |||
8165 | // UB(MaxVal)) | |||
8166 | ExprResult MaxUB = SemaRef.ActOnConditionalOp( | |||
8167 | DefaultLoc, DefaultLoc, MinGreaterMax, UBMin, UBMax); | |||
8168 | if (!MaxUB.isUsable()) | |||
8169 | return nullptr; | |||
8170 | UBVal = MaxUB.get(); | |||
8171 | } else { | |||
8172 | // UB(MinVal) > UB(MaxVal) ? UB(MaxVal) : UB(MinVal) - min(UB(MinVal), | |||
8173 | // UB(MaxVal)) | |||
8174 | ExprResult MinUB = SemaRef.ActOnConditionalOp( | |||
8175 | DefaultLoc, DefaultLoc, MinGreaterMax, UBMax, UBMin); | |||
8176 | if (!MinUB.isUsable()) | |||
8177 | return nullptr; | |||
8178 | UBVal = MinUB.get(); | |||
8179 | } | |||
8180 | } | |||
8181 | Expr *UBExpr = TestIsLessOp.getValue() ? UBVal : LBVal; | |||
8182 | Expr *LBExpr = TestIsLessOp.getValue() ? LBVal : UBVal; | |||
8183 | Expr *Upper = tryBuildCapture(SemaRef, UBExpr, Captures).get(); | |||
8184 | Expr *Lower = tryBuildCapture(SemaRef, LBExpr, Captures).get(); | |||
8185 | if (!Upper || !Lower) | |||
8186 | return nullptr; | |||
8187 | ||||
8188 | ExprResult Diff = calculateNumIters(SemaRef, S, DefaultLoc, Lower, Upper, | |||
8189 | Step, VarType, TestIsStrictOp, | |||
8190 | /*RoundToStep=*/true, Captures); | |||
8191 | if (!Diff.isUsable()) | |||
8192 | return nullptr; | |||
8193 | ||||
8194 | // OpenMP runtime requires 32-bit or 64-bit loop variables. | |||
8195 | QualType Type = Diff.get()->getType(); | |||
8196 | ASTContext &C = SemaRef.Context; | |||
8197 | bool UseVarType = VarType->hasIntegerRepresentation() && | |||
8198 | C.getTypeSize(Type) > C.getTypeSize(VarType); | |||
8199 | if (!Type->isIntegerType() || UseVarType) { | |||
8200 | unsigned NewSize = | |||
8201 | UseVarType ? C.getTypeSize(VarType) : C.getTypeSize(Type); | |||
8202 | bool IsSigned = UseVarType ? VarType->hasSignedIntegerRepresentation() | |||
8203 | : Type->hasSignedIntegerRepresentation(); | |||
8204 | Type = C.getIntTypeForBitwidth(NewSize, IsSigned); | |||
8205 | if (!SemaRef.Context.hasSameType(Diff.get()->getType(), Type)) { | |||
8206 | Diff = SemaRef.PerformImplicitConversion( | |||
8207 | Diff.get(), Type, Sema::AA_Converting, /*AllowExplicit=*/true); | |||
8208 | if (!Diff.isUsable()) | |||
8209 | return nullptr; | |||
8210 | } | |||
8211 | } | |||
8212 | if (LimitedType) { | |||
8213 | unsigned NewSize = (C.getTypeSize(Type) > 32) ? 64 : 32; | |||
8214 | if (NewSize != C.getTypeSize(Type)) { | |||
8215 | if (NewSize < C.getTypeSize(Type)) { | |||
8216 | assert(NewSize == 64 && "incorrect loop var size")((void)0); | |||
8217 | SemaRef.Diag(DefaultLoc, diag::warn_omp_loop_64_bit_var) | |||
8218 | << InitSrcRange << ConditionSrcRange; | |||
8219 | } | |||
8220 | QualType NewType = C.getIntTypeForBitwidth( | |||
8221 | NewSize, Type->hasSignedIntegerRepresentation() || | |||
8222 | C.getTypeSize(Type) < NewSize); | |||
8223 | if (!SemaRef.Context.hasSameType(Diff.get()->getType(), NewType)) { | |||
8224 | Diff = SemaRef.PerformImplicitConversion(Diff.get(), NewType, | |||
8225 | Sema::AA_Converting, true); | |||
8226 | if (!Diff.isUsable()) | |||
8227 | return nullptr; | |||
8228 | } | |||
8229 | } | |||
8230 | } | |||
8231 | ||||
8232 | return Diff.get(); | |||
8233 | } | |||
8234 | ||||
8235 | std::pair<Expr *, Expr *> OpenMPIterationSpaceChecker::buildMinMaxValues( | |||
8236 | Scope *S, llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const { | |||
8237 | // Do not build for iterators, they cannot be used in non-rectangular loop | |||
8238 | // nests. | |||
8239 | if (LCDecl->getType()->isRecordType()) | |||
8240 | return std::make_pair(nullptr, nullptr); | |||
8241 | // If we subtract, the min is in the condition, otherwise the min is in the | |||
8242 | // init value. | |||
8243 | Expr *MinExpr = nullptr; | |||
8244 | Expr *MaxExpr = nullptr; | |||
8245 | Expr *LBExpr = TestIsLessOp.getValue() ? LB : UB; | |||
8246 | Expr *UBExpr = TestIsLessOp.getValue() ? UB : LB; | |||
8247 | bool LBNonRect = TestIsLessOp.getValue() ? InitDependOnLC.hasValue() | |||
8248 | : CondDependOnLC.hasValue(); | |||
8249 | bool UBNonRect = TestIsLessOp.getValue() ? CondDependOnLC.hasValue() | |||
8250 | : InitDependOnLC.hasValue(); | |||
8251 | Expr *Lower = | |||
8252 | LBNonRect ? LBExpr : tryBuildCapture(SemaRef, LBExpr, Captures).get(); | |||
8253 | Expr *Upper = | |||
8254 | UBNonRect ? UBExpr : tryBuildCapture(SemaRef, UBExpr, Captures).get(); | |||
8255 | if (!Upper || !Lower) | |||
8256 | return std::make_pair(nullptr, nullptr); | |||
8257 | ||||
8258 | if (TestIsLessOp.getValue()) | |||
8259 | MinExpr = Lower; | |||
8260 | else | |||
8261 | MaxExpr = Upper; | |||
8262 | ||||
8263 | // Build minimum/maximum value based on number of iterations. | |||
8264 | QualType VarType = LCDecl->getType().getNonReferenceType(); | |||
8265 | ||||
8266 | ExprResult Diff = calculateNumIters(SemaRef, S, DefaultLoc, Lower, Upper, | |||
8267 | Step, VarType, TestIsStrictOp, | |||
8268 | /*RoundToStep=*/false, Captures); | |||
8269 | if (!Diff.isUsable()) | |||
8270 | return std::make_pair(nullptr, nullptr); | |||
8271 | ||||
8272 | // ((Upper - Lower [- 1]) / Step) * Step | |||
8273 | // Parentheses (for dumping/debugging purposes only). | |||
8274 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); | |||
8275 | if (!Diff.isUsable()) | |||
8276 | return std::make_pair(nullptr, nullptr); | |||
8277 | ||||
8278 | ExprResult NewStep = tryBuildCapture(SemaRef, Step, Captures); | |||
8279 | if (!NewStep.isUsable()) | |||
8280 | return std::make_pair(nullptr, nullptr); | |||
8281 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Mul, Diff.get(), NewStep.get()); | |||
8282 | if (!Diff.isUsable()) | |||
8283 | return std::make_pair(nullptr, nullptr); | |||
8284 | ||||
8285 | // Parentheses (for dumping/debugging purposes only). | |||
8286 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); | |||
8287 | if (!Diff.isUsable()) | |||
8288 | return std::make_pair(nullptr, nullptr); | |||
8289 | ||||
8290 | // Convert to the ptrdiff_t, if original type is pointer. | |||
8291 | if (VarType->isAnyPointerType() && | |||
8292 | !SemaRef.Context.hasSameType( | |||
8293 | Diff.get()->getType(), | |||
8294 | SemaRef.Context.getUnsignedPointerDiffType())) { | |||
8295 | Diff = SemaRef.PerformImplicitConversion( | |||
8296 | Diff.get(), SemaRef.Context.getUnsignedPointerDiffType(), | |||
8297 | Sema::AA_Converting, /*AllowExplicit=*/true); | |||
8298 | } | |||
8299 | if (!Diff.isUsable()) | |||
8300 | return std::make_pair(nullptr, nullptr); | |||
8301 | ||||
8302 | if (TestIsLessOp.getValue()) { | |||
8303 | // MinExpr = Lower; | |||
8304 | // MaxExpr = Lower + (((Upper - Lower [- 1]) / Step) * Step) | |||
8305 | Diff = SemaRef.BuildBinOp( | |||
8306 | S, DefaultLoc, BO_Add, | |||
8307 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Lower).get(), | |||
8308 | Diff.get()); | |||
8309 | if (!Diff.isUsable()) | |||
8310 | return std::make_pair(nullptr, nullptr); | |||
8311 | } else { | |||
8312 | // MaxExpr = Upper; | |||
8313 | // MinExpr = Upper - (((Upper - Lower [- 1]) / Step) * Step) | |||
8314 | Diff = SemaRef.BuildBinOp( | |||
8315 | S, DefaultLoc, BO_Sub, | |||
8316 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Upper).get(), | |||
8317 | Diff.get()); | |||
8318 | if (!Diff.isUsable()) | |||
8319 | return std::make_pair(nullptr, nullptr); | |||
8320 | } | |||
8321 | ||||
8322 | // Convert to the original type. | |||
8323 | if (SemaRef.Context.hasSameType(Diff.get()->getType(), VarType)) | |||
8324 | Diff = SemaRef.PerformImplicitConversion(Diff.get(), VarType, | |||
8325 | Sema::AA_Converting, | |||
8326 | /*AllowExplicit=*/true); | |||
8327 | if (!Diff.isUsable()) | |||
8328 | return std::make_pair(nullptr, nullptr); | |||
8329 | ||||
8330 | Sema::TentativeAnalysisScope Trap(SemaRef); | |||
8331 | Diff = SemaRef.ActOnFinishFullExpr(Diff.get(), /*DiscardedValue=*/false); | |||
8332 | if (!Diff.isUsable()) | |||
8333 | return std::make_pair(nullptr, nullptr); | |||
8334 | ||||
8335 | if (TestIsLessOp.getValue()) | |||
8336 | MaxExpr = Diff.get(); | |||
8337 | else | |||
8338 | MinExpr = Diff.get(); | |||
8339 | ||||
8340 | return std::make_pair(MinExpr, MaxExpr); | |||
8341 | } | |||
8342 | ||||
8343 | Expr *OpenMPIterationSpaceChecker::buildFinalCondition(Scope *S) const { | |||
8344 | if (InitDependOnLC || CondDependOnLC) | |||
8345 | return Condition; | |||
8346 | return nullptr; | |||
8347 | } | |||
8348 | ||||
8349 | Expr *OpenMPIterationSpaceChecker::buildPreCond( | |||
8350 | Scope *S, Expr *Cond, | |||
8351 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const { | |||
8352 | // Do not build a precondition when the condition/initialization is dependent | |||
8353 | // to prevent pessimistic early loop exit. | |||
8354 | // TODO: this can be improved by calculating min/max values but not sure that | |||
8355 | // it will be very effective. | |||
8356 | if (CondDependOnLC || InitDependOnLC) | |||
8357 | return SemaRef.PerformImplicitConversion( | |||
8358 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get(), | |||
8359 | SemaRef.Context.BoolTy, /*Action=*/Sema::AA_Casting, | |||
8360 | /*AllowExplicit=*/true).get(); | |||
8361 | ||||
8362 | // Try to build LB <op> UB, where <op> is <, >, <=, or >=. | |||
8363 | Sema::TentativeAnalysisScope Trap(SemaRef); | |||
8364 | ||||
8365 | ExprResult NewLB = tryBuildCapture(SemaRef, LB, Captures); | |||
8366 | ExprResult NewUB = tryBuildCapture(SemaRef, UB, Captures); | |||
8367 | if (!NewLB.isUsable() || !NewUB.isUsable()) | |||
8368 | return nullptr; | |||
8369 | ||||
8370 | ExprResult CondExpr = | |||
8371 | SemaRef.BuildBinOp(S, DefaultLoc, | |||
8372 | TestIsLessOp.getValue() ? | |||
8373 | (TestIsStrictOp ? BO_LT : BO_LE) : | |||
8374 | (TestIsStrictOp ? BO_GT : BO_GE), | |||
8375 | NewLB.get(), NewUB.get()); | |||
8376 | if (CondExpr.isUsable()) { | |||
8377 | if (!SemaRef.Context.hasSameUnqualifiedType(CondExpr.get()->getType(), | |||
8378 | SemaRef.Context.BoolTy)) | |||
8379 | CondExpr = SemaRef.PerformImplicitConversion( | |||
8380 | CondExpr.get(), SemaRef.Context.BoolTy, /*Action=*/Sema::AA_Casting, | |||
8381 | /*AllowExplicit=*/true); | |||
8382 | } | |||
8383 | ||||
8384 | // Otherwise use original loop condition and evaluate it in runtime. | |||
8385 | return CondExpr.isUsable() ? CondExpr.get() : Cond; | |||
8386 | } | |||
8387 | ||||
8388 | /// Build reference expression to the counter be used for codegen. | |||
8389 | DeclRefExpr *OpenMPIterationSpaceChecker::buildCounterVar( | |||
8390 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, | |||
8391 | DSAStackTy &DSA) const { | |||
8392 | auto *VD = dyn_cast<VarDecl>(LCDecl); | |||
8393 | if (!VD) { | |||
8394 | VD = SemaRef.isOpenMPCapturedDecl(LCDecl); | |||
8395 | DeclRefExpr *Ref = buildDeclRefExpr( | |||
8396 | SemaRef, VD, VD->getType().getNonReferenceType(), DefaultLoc); | |||
8397 | const DSAStackTy::DSAVarData Data = | |||
8398 | DSA.getTopDSA(LCDecl, /*FromParent=*/false); | |||
8399 | // If the loop control decl is explicitly marked as private, do not mark it | |||
8400 | // as captured again. | |||
8401 | if (!isOpenMPPrivate(Data.CKind) || !Data.RefExpr) | |||
8402 | Captures.insert(std::make_pair(LCRef, Ref)); | |||
8403 | return Ref; | |||
8404 | } | |||
8405 | return cast<DeclRefExpr>(LCRef); | |||
8406 | } | |||
8407 | ||||
8408 | Expr *OpenMPIterationSpaceChecker::buildPrivateCounterVar() const { | |||
8409 | if (LCDecl && !LCDecl->isInvalidDecl()) { | |||
8410 | QualType Type = LCDecl->getType().getNonReferenceType(); | |||
8411 | VarDecl *PrivateVar = buildVarDecl( | |||
8412 | SemaRef, DefaultLoc, Type, LCDecl->getName(), | |||
8413 | LCDecl->hasAttrs() ? &LCDecl->getAttrs() : nullptr, | |||
8414 | isa<VarDecl>(LCDecl) | |||
8415 | ? buildDeclRefExpr(SemaRef, cast<VarDecl>(LCDecl), Type, DefaultLoc) | |||
8416 | : nullptr); | |||
8417 | if (PrivateVar->isInvalidDecl()) | |||
8418 | return nullptr; | |||
8419 | return buildDeclRefExpr(SemaRef, PrivateVar, Type, DefaultLoc); | |||
8420 | } | |||
8421 | return nullptr; | |||
8422 | } | |||
8423 | ||||
8424 | /// Build initialization of the counter to be used for codegen. | |||
8425 | Expr *OpenMPIterationSpaceChecker::buildCounterInit() const { return LB; } | |||
8426 | ||||
8427 | /// Build step of the counter be used for codegen. | |||
8428 | Expr *OpenMPIterationSpaceChecker::buildCounterStep() const { return Step; } | |||
8429 | ||||
8430 | Expr *OpenMPIterationSpaceChecker::buildOrderedLoopData( | |||
8431 | Scope *S, Expr *Counter, | |||
8432 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, SourceLocation Loc, | |||
8433 | Expr *Inc, OverloadedOperatorKind OOK) { | |||
8434 | Expr *Cnt = SemaRef.DefaultLvalueConversion(Counter).get(); | |||
8435 | if (!Cnt) | |||
8436 | return nullptr; | |||
8437 | if (Inc) { | |||
8438 | assert((OOK == OO_Plus || OOK == OO_Minus) &&((void)0) | |||
8439 | "Expected only + or - operations for depend clauses.")((void)0); | |||
8440 | BinaryOperatorKind BOK = (OOK == OO_Plus) ? BO_Add : BO_Sub; | |||
8441 | Cnt = SemaRef.BuildBinOp(S, Loc, BOK, Cnt, Inc).get(); | |||
8442 | if (!Cnt) | |||
8443 | return nullptr; | |||
8444 | } | |||
8445 | QualType VarType = LCDecl->getType().getNonReferenceType(); | |||
8446 | if (!VarType->isIntegerType() && !VarType->isPointerType() && | |||
8447 | !SemaRef.getLangOpts().CPlusPlus) | |||
8448 | return nullptr; | |||
8449 | // Upper - Lower | |||
8450 | Expr *Upper = TestIsLessOp.getValue() | |||
8451 | ? Cnt | |||
8452 | : tryBuildCapture(SemaRef, LB, Captures).get(); | |||
8453 | Expr *Lower = TestIsLessOp.getValue() | |||
8454 | ? tryBuildCapture(SemaRef, LB, Captures).get() | |||
8455 | : Cnt; | |||
8456 | if (!Upper || !Lower) | |||
8457 | return nullptr; | |||
8458 | ||||
8459 | ExprResult Diff = calculateNumIters( | |||
8460 | SemaRef, S, DefaultLoc, Lower, Upper, Step, VarType, | |||
8461 | /*TestIsStrictOp=*/false, /*RoundToStep=*/false, Captures); | |||
8462 | if (!Diff.isUsable()) | |||
8463 | return nullptr; | |||
8464 | ||||
8465 | return Diff.get(); | |||
8466 | } | |||
8467 | } // namespace | |||
8468 | ||||
8469 | void Sema::ActOnOpenMPLoopInitialization(SourceLocation ForLoc, Stmt *Init) { | |||
8470 | assert(getLangOpts().OpenMP && "OpenMP is not active.")((void)0); | |||
8471 | assert(Init && "Expected loop in canonical form.")((void)0); | |||
8472 | unsigned AssociatedLoops = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops(); | |||
8473 | if (AssociatedLoops > 0 && | |||
8474 | isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { | |||
8475 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopStart(); | |||
8476 | OpenMPIterationSpaceChecker ISC(*this, /*SupportsNonRectangular=*/true, | |||
8477 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), ForLoc); | |||
8478 | if (!ISC.checkAndSetInit(Init, /*EmitDiags=*/false)) { | |||
8479 | if (ValueDecl *D = ISC.getLoopDecl()) { | |||
8480 | auto *VD = dyn_cast<VarDecl>(D); | |||
8481 | DeclRefExpr *PrivateRef = nullptr; | |||
8482 | if (!VD) { | |||
8483 | if (VarDecl *Private = isOpenMPCapturedDecl(D)) { | |||
8484 | VD = Private; | |||
8485 | } else { | |||
8486 | PrivateRef = buildCapture(*this, D, ISC.getLoopDeclRefExpr(), | |||
8487 | /*WithInit=*/false); | |||
8488 | VD = cast<VarDecl>(PrivateRef->getDecl()); | |||
8489 | } | |||
8490 | } | |||
8491 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addLoopControlVariable(D, VD); | |||
8492 | const Decl *LD = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getPossiblyLoopCunter(); | |||
8493 | if (LD != D->getCanonicalDecl()) { | |||
8494 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->resetPossibleLoopCounter(); | |||
8495 | if (auto *Var = dyn_cast_or_null<VarDecl>(LD)) | |||
8496 | MarkDeclarationsReferencedInExpr( | |||
8497 | buildDeclRefExpr(*this, const_cast<VarDecl *>(Var), | |||
8498 | Var->getType().getNonLValueExprType(Context), | |||
8499 | ForLoc, /*RefersToCapture=*/true)); | |||
8500 | } | |||
8501 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | |||
8502 | // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables | |||
8503 | // Referenced in a Construct, C/C++]. The loop iteration variable in the | |||
8504 | // associated for-loop of a simd construct with just one associated | |||
8505 | // for-loop may be listed in a linear clause with a constant-linear-step | |||
8506 | // that is the increment of the associated for-loop. The loop iteration | |||
8507 | // variable(s) in the associated for-loop(s) of a for or parallel for | |||
8508 | // construct may be listed in a private or lastprivate clause. | |||
8509 | DSAStackTy::DSAVarData DVar = | |||
8510 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | |||
8511 | // If LoopVarRefExpr is nullptr it means the corresponding loop variable | |||
8512 | // is declared in the loop and it is predetermined as a private. | |||
8513 | Expr *LoopDeclRefExpr = ISC.getLoopDeclRefExpr(); | |||
8514 | OpenMPClauseKind PredeterminedCKind = | |||
8515 | isOpenMPSimdDirective(DKind) | |||
8516 | ? (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasMutipleLoops() ? OMPC_lastprivate : OMPC_linear) | |||
8517 | : OMPC_private; | |||
8518 | if (((isOpenMPSimdDirective(DKind) && DVar.CKind != OMPC_unknown && | |||
8519 | DVar.CKind != PredeterminedCKind && DVar.RefExpr && | |||
8520 | (LangOpts.OpenMP <= 45 || (DVar.CKind != OMPC_lastprivate && | |||
8521 | DVar.CKind != OMPC_private))) || | |||
8522 | ((isOpenMPWorksharingDirective(DKind) || DKind == OMPD_taskloop || | |||
8523 | DKind == OMPD_master_taskloop || | |||
8524 | DKind == OMPD_parallel_master_taskloop || | |||
8525 | isOpenMPDistributeDirective(DKind)) && | |||
8526 | !isOpenMPSimdDirective(DKind) && DVar.CKind != OMPC_unknown && | |||
8527 | DVar.CKind != OMPC_private && DVar.CKind != OMPC_lastprivate)) && | |||
8528 | (DVar.CKind != OMPC_private || DVar.RefExpr)) { | |||
8529 | Diag(Init->getBeginLoc(), diag::err_omp_loop_var_dsa) | |||
8530 | << getOpenMPClauseName(DVar.CKind) | |||
8531 | << getOpenMPDirectiveName(DKind) | |||
8532 | << getOpenMPClauseName(PredeterminedCKind); | |||
8533 | if (DVar.RefExpr == nullptr) | |||
8534 | DVar.CKind = PredeterminedCKind; | |||
8535 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar, | |||
8536 | /*IsLoopIterVar=*/true); | |||
8537 | } else if (LoopDeclRefExpr) { | |||
8538 | // Make the loop iteration variable private (for worksharing | |||
8539 | // constructs), linear (for simd directives with the only one | |||
8540 | // associated loop) or lastprivate (for simd directives with several | |||
8541 | // collapsed or ordered loops). | |||
8542 | if (DVar.CKind == OMPC_unknown) | |||
8543 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, LoopDeclRefExpr, PredeterminedCKind, | |||
8544 | PrivateRef); | |||
8545 | } | |||
8546 | } | |||
8547 | } | |||
8548 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(AssociatedLoops - 1); | |||
8549 | } | |||
8550 | } | |||
8551 | ||||
8552 | /// Called on a for stmt to check and extract its iteration space | |||
8553 | /// for further processing (such as collapsing). | |||
8554 | static bool checkOpenMPIterationSpace( | |||
8555 | OpenMPDirectiveKind DKind, Stmt *S, Sema &SemaRef, DSAStackTy &DSA, | |||
8556 | unsigned CurrentNestedLoopCount, unsigned NestedLoopCount, | |||
8557 | unsigned TotalNestedLoopCount, Expr *CollapseLoopCountExpr, | |||
8558 | Expr *OrderedLoopCountExpr, | |||
8559 | Sema::VarsWithInheritedDSAType &VarsWithImplicitDSA, | |||
8560 | llvm::MutableArrayRef<LoopIterationSpace> ResultIterSpaces, | |||
8561 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { | |||
8562 | bool SupportsNonRectangular = !isOpenMPLoopTransformationDirective(DKind); | |||
8563 | // OpenMP [2.9.1, Canonical Loop Form] | |||
8564 | // for (init-expr; test-expr; incr-expr) structured-block | |||
8565 | // for (range-decl: range-expr) structured-block | |||
8566 | if (auto *CanonLoop = dyn_cast_or_null<OMPCanonicalLoop>(S)) | |||
8567 | S = CanonLoop->getLoopStmt(); | |||
8568 | auto *For = dyn_cast_or_null<ForStmt>(S); | |||
8569 | auto *CXXFor = dyn_cast_or_null<CXXForRangeStmt>(S); | |||
8570 | // Ranged for is supported only in OpenMP 5.0. | |||
8571 | if (!For && (SemaRef.LangOpts.OpenMP <= 45 || !CXXFor)) { | |||
8572 | SemaRef.Diag(S->getBeginLoc(), diag::err_omp_not_for) | |||
8573 | << (CollapseLoopCountExpr != nullptr || OrderedLoopCountExpr != nullptr) | |||
8574 | << getOpenMPDirectiveName(DKind) << TotalNestedLoopCount | |||
8575 | << (CurrentNestedLoopCount > 0) << CurrentNestedLoopCount; | |||
8576 | if (TotalNestedLoopCount > 1) { | |||
8577 | if (CollapseLoopCountExpr && OrderedLoopCountExpr) | |||
8578 | SemaRef.Diag(DSA.getConstructLoc(), | |||
8579 | diag::note_omp_collapse_ordered_expr) | |||
8580 | << 2 << CollapseLoopCountExpr->getSourceRange() | |||
8581 | << OrderedLoopCountExpr->getSourceRange(); | |||
8582 | else if (CollapseLoopCountExpr) | |||
8583 | SemaRef.Diag(CollapseLoopCountExpr->getExprLoc(), | |||
8584 | diag::note_omp_collapse_ordered_expr) | |||
8585 | << 0 << CollapseLoopCountExpr->getSourceRange(); | |||
8586 | else | |||
8587 | SemaRef.Diag(OrderedLoopCountExpr->getExprLoc(), | |||
8588 | diag::note_omp_collapse_ordered_expr) | |||
8589 | << 1 << OrderedLoopCountExpr->getSourceRange(); | |||
8590 | } | |||
8591 | return true; | |||
8592 | } | |||
8593 | assert(((For && For->getBody()) || (CXXFor && CXXFor->getBody())) &&((void)0) | |||
8594 | "No loop body.")((void)0); | |||
8595 | ||||
8596 | OpenMPIterationSpaceChecker ISC(SemaRef, SupportsNonRectangular, DSA, | |||
8597 | For ? For->getForLoc() : CXXFor->getForLoc()); | |||
8598 | ||||
8599 | // Check init. | |||
8600 | Stmt *Init = For ? For->getInit() : CXXFor->getBeginStmt(); | |||
8601 | if (ISC.checkAndSetInit(Init)) | |||
8602 | return true; | |||
8603 | ||||
8604 | bool HasErrors = false; | |||
8605 | ||||
8606 | // Check loop variable's type. | |||
8607 | if (ValueDecl *LCDecl = ISC.getLoopDecl()) { | |||
8608 | // OpenMP [2.6, Canonical Loop Form] | |||
8609 | // Var is one of the following: | |||
8610 | // A variable of signed or unsigned integer type. | |||
8611 | // For C++, a variable of a random access iterator type. | |||
8612 | // For C, a variable of a pointer type. | |||
8613 | QualType VarType = LCDecl->getType().getNonReferenceType(); | |||
8614 | if (!VarType->isDependentType() && !VarType->isIntegerType() && | |||
8615 | !VarType->isPointerType() && | |||
8616 | !(SemaRef.getLangOpts().CPlusPlus && VarType->isOverloadableType())) { | |||
8617 | SemaRef.Diag(Init->getBeginLoc(), diag::err_omp_loop_variable_type) | |||
8618 | << SemaRef.getLangOpts().CPlusPlus; | |||
8619 | HasErrors = true; | |||
8620 | } | |||
8621 | ||||
8622 | // OpenMP, 2.14.1.1 Data-sharing Attribute Rules for Variables Referenced in | |||
8623 | // a Construct | |||
8624 | // The loop iteration variable(s) in the associated for-loop(s) of a for or | |||
8625 | // parallel for construct is (are) private. | |||
8626 | // The loop iteration variable in the associated for-loop of a simd | |||
8627 | // construct with just one associated for-loop is linear with a | |||
8628 | // constant-linear-step that is the increment of the associated for-loop. | |||
8629 | // Exclude loop var from the list of variables with implicitly defined data | |||
8630 | // sharing attributes. | |||
8631 | VarsWithImplicitDSA.erase(LCDecl); | |||
8632 | ||||
8633 | assert(isOpenMPLoopDirective(DKind) && "DSA for non-loop vars")((void)0); | |||
8634 | ||||
8635 | // Check test-expr. | |||
8636 | HasErrors |= ISC.checkAndSetCond(For ? For->getCond() : CXXFor->getCond()); | |||
8637 | ||||
8638 | // Check incr-expr. | |||
8639 | HasErrors |= ISC.checkAndSetInc(For ? For->getInc() : CXXFor->getInc()); | |||
8640 | } | |||
8641 | ||||
8642 | if (ISC.dependent() || SemaRef.CurContext->isDependentContext() || HasErrors) | |||
8643 | return HasErrors; | |||
8644 | ||||
8645 | // Build the loop's iteration space representation. | |||
8646 | ResultIterSpaces[CurrentNestedLoopCount].PreCond = ISC.buildPreCond( | |||
8647 | DSA.getCurScope(), For ? For->getCond() : CXXFor->getCond(), Captures); | |||
8648 | ResultIterSpaces[CurrentNestedLoopCount].NumIterations = | |||
8649 | ISC.buildNumIterations(DSA.getCurScope(), ResultIterSpaces, | |||
8650 | (isOpenMPWorksharingDirective(DKind) || | |||
8651 | isOpenMPTaskLoopDirective(DKind) || | |||
8652 | isOpenMPDistributeDirective(DKind) || | |||
8653 | isOpenMPLoopTransformationDirective(DKind)), | |||
8654 | Captures); | |||
8655 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar = | |||
8656 | ISC.buildCounterVar(Captures, DSA); | |||
8657 | ResultIterSpaces[CurrentNestedLoopCount].PrivateCounterVar = | |||
8658 | ISC.buildPrivateCounterVar(); | |||
8659 | ResultIterSpaces[CurrentNestedLoopCount].CounterInit = ISC.buildCounterInit(); | |||
8660 | ResultIterSpaces[CurrentNestedLoopCount].CounterStep = ISC.buildCounterStep(); | |||
8661 | ResultIterSpaces[CurrentNestedLoopCount].InitSrcRange = ISC.getInitSrcRange(); | |||
8662 | ResultIterSpaces[CurrentNestedLoopCount].CondSrcRange = | |||
8663 | ISC.getConditionSrcRange(); | |||
8664 | ResultIterSpaces[CurrentNestedLoopCount].IncSrcRange = | |||
8665 | ISC.getIncrementSrcRange(); | |||
8666 | ResultIterSpaces[CurrentNestedLoopCount].Subtract = ISC.shouldSubtractStep(); | |||
8667 | ResultIterSpaces[CurrentNestedLoopCount].IsStrictCompare = | |||
8668 | ISC.isStrictTestOp(); | |||
8669 | std::tie(ResultIterSpaces[CurrentNestedLoopCount].MinValue, | |||
8670 | ResultIterSpaces[CurrentNestedLoopCount].MaxValue) = | |||
8671 | ISC.buildMinMaxValues(DSA.getCurScope(), Captures); | |||
8672 | ResultIterSpaces[CurrentNestedLoopCount].FinalCondition = | |||
8673 | ISC.buildFinalCondition(DSA.getCurScope()); | |||
8674 | ResultIterSpaces[CurrentNestedLoopCount].IsNonRectangularLB = | |||
8675 | ISC.doesInitDependOnLC(); | |||
8676 | ResultIterSpaces[CurrentNestedLoopCount].IsNonRectangularUB = | |||
8677 | ISC.doesCondDependOnLC(); | |||
8678 | ResultIterSpaces[CurrentNestedLoopCount].LoopDependentIdx = | |||
8679 | ISC.getLoopDependentIdx(); | |||
8680 | ||||
8681 | HasErrors |= | |||
8682 | (ResultIterSpaces[CurrentNestedLoopCount].PreCond == nullptr || | |||
8683 | ResultIterSpaces[CurrentNestedLoopCount].NumIterations == nullptr || | |||
8684 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar == nullptr || | |||
8685 | ResultIterSpaces[CurrentNestedLoopCount].PrivateCounterVar == nullptr || | |||
8686 | ResultIterSpaces[CurrentNestedLoopCount].CounterInit == nullptr || | |||
8687 | ResultIterSpaces[CurrentNestedLoopCount].CounterStep == nullptr); | |||
8688 | if (!HasErrors && DSA.isOrderedRegion()) { | |||
8689 | if (DSA.getOrderedRegionParam().second->getNumForLoops()) { | |||
8690 | if (CurrentNestedLoopCount < | |||
8691 | DSA.getOrderedRegionParam().second->getLoopNumIterations().size()) { | |||
8692 | DSA.getOrderedRegionParam().second->setLoopNumIterations( | |||
8693 | CurrentNestedLoopCount, | |||
8694 | ResultIterSpaces[CurrentNestedLoopCount].NumIterations); | |||
8695 | DSA.getOrderedRegionParam().second->setLoopCounter( | |||
8696 | CurrentNestedLoopCount, | |||
8697 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar); | |||
8698 | } | |||
8699 | } | |||
8700 | for (auto &Pair : DSA.getDoacrossDependClauses()) { | |||
8701 | if (CurrentNestedLoopCount >= Pair.first->getNumLoops()) { | |||
8702 | // Erroneous case - clause has some problems. | |||
8703 | continue; | |||
8704 | } | |||
8705 | if (Pair.first->getDependencyKind() == OMPC_DEPEND_sink && | |||
8706 | Pair.second.size() <= CurrentNestedLoopCount) { | |||
8707 | // Erroneous case - clause has some problems. | |||
8708 | Pair.first->setLoopData(CurrentNestedLoopCount, nullptr); | |||
8709 | continue; | |||
8710 | } | |||
8711 | Expr *CntValue; | |||
8712 | if (Pair.first->getDependencyKind() == OMPC_DEPEND_source) | |||
8713 | CntValue = ISC.buildOrderedLoopData( | |||
8714 | DSA.getCurScope(), | |||
8715 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar, Captures, | |||
8716 | Pair.first->getDependencyLoc()); | |||
8717 | else | |||
8718 | CntValue = ISC.buildOrderedLoopData( | |||
8719 | DSA.getCurScope(), | |||
8720 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar, Captures, | |||
8721 | Pair.first->getDependencyLoc(), | |||
8722 | Pair.second[CurrentNestedLoopCount].first, | |||
8723 | Pair.second[CurrentNestedLoopCount].second); | |||
8724 | Pair.first->setLoopData(CurrentNestedLoopCount, CntValue); | |||
8725 | } | |||
8726 | } | |||
8727 | ||||
8728 | return HasErrors; | |||
8729 | } | |||
8730 | ||||
8731 | /// Build 'VarRef = Start. | |||
8732 | static ExprResult | |||
8733 | buildCounterInit(Sema &SemaRef, Scope *S, SourceLocation Loc, ExprResult VarRef, | |||
8734 | ExprResult Start, bool IsNonRectangularLB, | |||
8735 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { | |||
8736 | // Build 'VarRef = Start. | |||
8737 | ExprResult NewStart = IsNonRectangularLB | |||
8738 | ? Start.get() | |||
8739 | : tryBuildCapture(SemaRef, Start.get(), Captures); | |||
8740 | if (!NewStart.isUsable()) | |||
8741 | return ExprError(); | |||
8742 | if (!SemaRef.Context.hasSameType(NewStart.get()->getType(), | |||
8743 | VarRef.get()->getType())) { | |||
8744 | NewStart = SemaRef.PerformImplicitConversion( | |||
8745 | NewStart.get(), VarRef.get()->getType(), Sema::AA_Converting, | |||
8746 | /*AllowExplicit=*/true); | |||
8747 | if (!NewStart.isUsable()) | |||
8748 | return ExprError(); | |||
8749 | } | |||
8750 | ||||
8751 | ExprResult Init = | |||
8752 | SemaRef.BuildBinOp(S, Loc, BO_Assign, VarRef.get(), NewStart.get()); | |||
8753 | return Init; | |||
8754 | } | |||
8755 | ||||
8756 | /// Build 'VarRef = Start + Iter * Step'. | |||
8757 | static ExprResult buildCounterUpdate( | |||
8758 | Sema &SemaRef, Scope *S, SourceLocation Loc, ExprResult VarRef, | |||
8759 | ExprResult Start, ExprResult Iter, ExprResult Step, bool Subtract, | |||
8760 | bool IsNonRectangularLB, | |||
8761 | llvm::MapVector<const Expr *, DeclRefExpr *> *Captures = nullptr) { | |||
8762 | // Add parentheses (for debugging purposes only). | |||
8763 | Iter = SemaRef.ActOnParenExpr(Loc, Loc, Iter.get()); | |||
8764 | if (!VarRef.isUsable() || !Start.isUsable() || !Iter.isUsable() || | |||
8765 | !Step.isUsable()) | |||
8766 | return ExprError(); | |||
8767 | ||||
8768 | ExprResult NewStep = Step; | |||
8769 | if (Captures) | |||
8770 | NewStep = tryBuildCapture(SemaRef, Step.get(), *Captures); | |||
8771 | if (NewStep.isInvalid()) | |||
8772 | return ExprError(); | |||
8773 | ExprResult Update = | |||
8774 | SemaRef.BuildBinOp(S, Loc, BO_Mul, Iter.get(), NewStep.get()); | |||
8775 | if (!Update.isUsable()) | |||
8776 | return ExprError(); | |||
8777 | ||||
8778 | // Try to build 'VarRef = Start, VarRef (+|-)= Iter * Step' or | |||
8779 | // 'VarRef = Start (+|-) Iter * Step'. | |||
8780 | if (!Start.isUsable()) | |||
8781 | return ExprError(); | |||
8782 | ExprResult NewStart = SemaRef.ActOnParenExpr(Loc, Loc, Start.get()); | |||
8783 | if (!NewStart.isUsable()) | |||
8784 | return ExprError(); | |||
8785 | if (Captures && !IsNonRectangularLB) | |||
8786 | NewStart = tryBuildCapture(SemaRef, Start.get(), *Captures); | |||
8787 | if (NewStart.isInvalid()) | |||
8788 | return ExprError(); | |||
8789 | ||||
8790 | // First attempt: try to build 'VarRef = Start, VarRef += Iter * Step'. | |||
8791 | ExprResult SavedUpdate = Update; | |||
8792 | ExprResult UpdateVal; | |||
8793 | if (VarRef.get()->getType()->isOverloadableType() || | |||
8794 | NewStart.get()->getType()->isOverloadableType() || | |||
8795 | Update.get()->getType()->isOverloadableType()) { | |||
8796 | Sema::TentativeAnalysisScope Trap(SemaRef); | |||
8797 | ||||
8798 | Update = | |||
8799 | SemaRef.BuildBinOp(S, Loc, BO_Assign, VarRef.get(), NewStart.get()); | |||
8800 | if (Update.isUsable()) { | |||
8801 | UpdateVal = | |||
8802 | SemaRef.BuildBinOp(S, Loc, Subtract ? BO_SubAssign : BO_AddAssign, | |||
8803 | VarRef.get(), SavedUpdate.get()); | |||
8804 | if (UpdateVal.isUsable()) { | |||
8805 | Update = SemaRef.CreateBuiltinBinOp(Loc, BO_Comma, Update.get(), | |||
8806 | UpdateVal.get()); | |||
8807 | } | |||
8808 | } | |||
8809 | } | |||
8810 | ||||
8811 | // Second attempt: try to build 'VarRef = Start (+|-) Iter * Step'. | |||
8812 | if (!Update.isUsable() || !UpdateVal.isUsable()) { | |||
8813 | Update = SemaRef.BuildBinOp(S, Loc, Subtract ? BO_Sub : BO_Add, | |||
8814 | NewStart.get(), SavedUpdate.get()); | |||
8815 | if (!Update.isUsable()) | |||
8816 | return ExprError(); | |||
8817 | ||||
8818 | if (!SemaRef.Context.hasSameType(Update.get()->getType(), | |||
8819 | VarRef.get()->getType())) { | |||
8820 | Update = SemaRef.PerformImplicitConversion( | |||
8821 | Update.get(), VarRef.get()->getType(), Sema::AA_Converting, true); | |||
8822 | if (!Update.isUsable()) | |||
8823 | return ExprError(); | |||
8824 | } | |||
8825 | ||||
8826 | Update = SemaRef.BuildBinOp(S, Loc, BO_Assign, VarRef.get(), Update.get()); | |||
8827 | } | |||
8828 | return Update; | |||
8829 | } | |||
8830 | ||||
8831 | /// Convert integer expression \a E to make it have at least \a Bits | |||
8832 | /// bits. | |||
8833 | static ExprResult widenIterationCount(unsigned Bits, Expr *E, Sema &SemaRef) { | |||
8834 | if (E == nullptr) | |||
8835 | return ExprError(); | |||
8836 | ASTContext &C = SemaRef.Context; | |||
8837 | QualType OldType = E->getType(); | |||
8838 | unsigned HasBits = C.getTypeSize(OldType); | |||
8839 | if (HasBits >= Bits) | |||
8840 | return ExprResult(E); | |||
8841 | // OK to convert to signed, because new type has more bits than old. | |||
8842 | QualType NewType = C.getIntTypeForBitwidth(Bits, /* Signed */ true); | |||
8843 | return SemaRef.PerformImplicitConversion(E, NewType, Sema::AA_Converting, | |||
8844 | true); | |||
8845 | } | |||
8846 | ||||
8847 | /// Check if the given expression \a E is a constant integer that fits | |||
8848 | /// into \a Bits bits. | |||
8849 | static bool fitsInto(unsigned Bits, bool Signed, const Expr *E, Sema &SemaRef) { | |||
8850 | if (E == nullptr) | |||
8851 | return false; | |||
8852 | if (Optional<llvm::APSInt> Result = | |||
8853 | E->getIntegerConstantExpr(SemaRef.Context)) | |||
8854 | return Signed ? Result->isSignedIntN(Bits) : Result->isIntN(Bits); | |||
8855 | return false; | |||
8856 | } | |||
8857 | ||||
8858 | /// Build preinits statement for the given declarations. | |||
8859 | static Stmt *buildPreInits(ASTContext &Context, | |||
8860 | MutableArrayRef<Decl *> PreInits) { | |||
8861 | if (!PreInits.empty()) { | |||
8862 | return new (Context) DeclStmt( | |||
8863 | DeclGroupRef::Create(Context, PreInits.begin(), PreInits.size()), | |||
8864 | SourceLocation(), SourceLocation()); | |||
8865 | } | |||
8866 | return nullptr; | |||
8867 | } | |||
8868 | ||||
8869 | /// Build preinits statement for the given declarations. | |||
8870 | static Stmt * | |||
8871 | buildPreInits(ASTContext &Context, | |||
8872 | const llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { | |||
8873 | if (!Captures.empty()) { | |||
8874 | SmallVector<Decl *, 16> PreInits; | |||
8875 | for (const auto &Pair : Captures) | |||
8876 | PreInits.push_back(Pair.second->getDecl()); | |||
8877 | return buildPreInits(Context, PreInits); | |||
8878 | } | |||
8879 | return nullptr; | |||
8880 | } | |||
8881 | ||||
8882 | /// Build postupdate expression for the given list of postupdates expressions. | |||
8883 | static Expr *buildPostUpdate(Sema &S, ArrayRef<Expr *> PostUpdates) { | |||
8884 | Expr *PostUpdate = nullptr; | |||
8885 | if (!PostUpdates.empty()) { | |||
8886 | for (Expr *E : PostUpdates) { | |||
8887 | Expr *ConvE = S.BuildCStyleCastExpr( | |||
8888 | E->getExprLoc(), | |||
8889 | S.Context.getTrivialTypeSourceInfo(S.Context.VoidTy), | |||
8890 | E->getExprLoc(), E) | |||
8891 | .get(); | |||
8892 | PostUpdate = PostUpdate | |||
8893 | ? S.CreateBuiltinBinOp(ConvE->getExprLoc(), BO_Comma, | |||
8894 | PostUpdate, ConvE) | |||
8895 | .get() | |||
8896 | : ConvE; | |||
8897 | } | |||
8898 | } | |||
8899 | return PostUpdate; | |||
8900 | } | |||
8901 | ||||
8902 | /// Called on a for stmt to check itself and nested loops (if any). | |||
8903 | /// \return Returns 0 if one of the collapsed stmts is not canonical for loop, | |||
8904 | /// number of collapsed loops otherwise. | |||
8905 | static unsigned | |||
8906 | checkOpenMPLoop(OpenMPDirectiveKind DKind, Expr *CollapseLoopCountExpr, | |||
8907 | Expr *OrderedLoopCountExpr, Stmt *AStmt, Sema &SemaRef, | |||
8908 | DSAStackTy &DSA, | |||
8909 | Sema::VarsWithInheritedDSAType &VarsWithImplicitDSA, | |||
8910 | OMPLoopBasedDirective::HelperExprs &Built) { | |||
8911 | unsigned NestedLoopCount = 1; | |||
8912 | bool SupportsNonPerfectlyNested = (SemaRef.LangOpts.OpenMP >= 50) && | |||
| ||||
8913 | !isOpenMPLoopTransformationDirective(DKind); | |||
8914 | ||||
8915 | if (CollapseLoopCountExpr) { | |||
8916 | // Found 'collapse' clause - calculate collapse number. | |||
8917 | Expr::EvalResult Result; | |||
8918 | if (!CollapseLoopCountExpr->isValueDependent() && | |||
8919 | CollapseLoopCountExpr->EvaluateAsInt(Result, SemaRef.getASTContext())) { | |||
8920 | NestedLoopCount = Result.Val.getInt().getLimitedValue(); | |||
8921 | } else { | |||
8922 | Built.clear(/*Size=*/1); | |||
8923 | return 1; | |||
8924 | } | |||
8925 | } | |||
8926 | unsigned OrderedLoopCount = 1; | |||
8927 | if (OrderedLoopCountExpr) { | |||
8928 | // Found 'ordered' clause - calculate collapse number. | |||
8929 | Expr::EvalResult EVResult; | |||
8930 | if (!OrderedLoopCountExpr->isValueDependent() && | |||
8931 | OrderedLoopCountExpr->EvaluateAsInt(EVResult, | |||
8932 | SemaRef.getASTContext())) { | |||
8933 | llvm::APSInt Result = EVResult.Val.getInt(); | |||
8934 | if (Result.getLimitedValue() < NestedLoopCount) { | |||
8935 | SemaRef.Diag(OrderedLoopCountExpr->getExprLoc(), | |||
8936 | diag::err_omp_wrong_ordered_loop_count) | |||
8937 | << OrderedLoopCountExpr->getSourceRange(); | |||
8938 | SemaRef.Diag(CollapseLoopCountExpr->getExprLoc(), | |||
| ||||
8939 | diag::note_collapse_loop_count) | |||
8940 | << CollapseLoopCountExpr->getSourceRange(); | |||
8941 | } | |||
8942 | OrderedLoopCount = Result.getLimitedValue(); | |||
8943 | } else { | |||
8944 | Built.clear(/*Size=*/1); | |||
8945 | return 1; | |||
8946 | } | |||
8947 | } | |||
8948 | // This is helper routine for loop directives (e.g., 'for', 'simd', | |||
8949 | // 'for simd', etc.). | |||
8950 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | |||
8951 | unsigned NumLoops = std::max(OrderedLoopCount, NestedLoopCount); | |||
8952 | SmallVector<LoopIterationSpace, 4> IterSpaces(NumLoops); | |||
8953 | if (!OMPLoopBasedDirective::doForAllLoops( | |||
8954 | AStmt->IgnoreContainers(!isOpenMPLoopTransformationDirective(DKind)), | |||
8955 | SupportsNonPerfectlyNested, NumLoops, | |||
8956 | [DKind, &SemaRef, &DSA, NumLoops, NestedLoopCount, | |||
8957 | CollapseLoopCountExpr, OrderedLoopCountExpr, &VarsWithImplicitDSA, | |||
8958 | &IterSpaces, &Captures](unsigned Cnt, Stmt *CurStmt) { | |||
8959 | if (checkOpenMPIterationSpace( | |||
8960 | DKind, CurStmt, SemaRef, DSA, Cnt, NestedLoopCount, | |||
8961 | NumLoops, CollapseLoopCountExpr, OrderedLoopCountExpr, | |||
8962 | VarsWithImplicitDSA, IterSpaces, Captures)) | |||
8963 | return true; | |||
8964 | if (Cnt > 0 && Cnt >= NestedLoopCount && | |||
8965 | IterSpaces[Cnt].CounterVar) { | |||
8966 | // Handle initialization of captured loop iterator variables. | |||
8967 | auto *DRE = cast<DeclRefExpr>(IterSpaces[Cnt].CounterVar); | |||
8968 | if (isa<OMPCapturedExprDecl>(DRE->getDecl())) { | |||
8969 | Captures[DRE] = DRE; | |||
8970 | } | |||
8971 | } | |||
8972 | return false; | |||
8973 | }, | |||
8974 | [&SemaRef, &Captures](OMPLoopBasedDirective *Transform) { | |||
8975 | Stmt *DependentPreInits; | |||
8976 | if (auto *Dir = dyn_cast<OMPTileDirective>(Transform)) { | |||
8977 | DependentPreInits = Dir->getPreInits(); | |||
8978 | } else if (auto *Dir = dyn_cast<OMPUnrollDirective>(Transform)) { | |||
8979 | DependentPreInits = Dir->getPreInits(); | |||
8980 | } else { | |||
8981 | llvm_unreachable("Unexpected loop transformation")__builtin_unreachable(); | |||
8982 | } | |||
8983 | if (!DependentPreInits) | |||
8984 | return; | |||
8985 | for (Decl *C : cast<DeclStmt>(DependentPreInits)->getDeclGroup()) { | |||
8986 | auto *D = cast<VarDecl>(C); | |||
8987 | DeclRefExpr *Ref = buildDeclRefExpr(SemaRef, D, D->getType(), | |||
8988 | Transform->getBeginLoc()); | |||
8989 | Captures[Ref] = Ref; | |||
8990 | } | |||
8991 | })) | |||
8992 | return 0; | |||
8993 | ||||
8994 | Built.clear(/* size */ NestedLoopCount); | |||
8995 | ||||
8996 | if (SemaRef.CurContext->isDependentContext()) | |||
8997 | return NestedLoopCount; | |||
8998 | ||||
8999 | // An example of what is generated for the following code: | |||
9000 | // | |||
9001 | // #pragma omp simd collapse(2) ordered(2) | |||
9002 | // for (i = 0; i < NI; ++i) | |||
9003 | // for (k = 0; k < NK; ++k) | |||
9004 | // for (j = J0; j < NJ; j+=2) { | |||
9005 | // <loop body> | |||
9006 | // } | |||
9007 | // | |||
9008 | // We generate the code below. | |||
9009 | // Note: the loop body may be outlined in CodeGen. | |||
9010 | // Note: some counters may be C++ classes, operator- is used to find number of | |||
9011 | // iterations and operator+= to calculate counter value. | |||
9012 | // Note: decltype(NumIterations) must be integer type (in 'omp for', only i32 | |||
9013 | // or i64 is currently supported). | |||
9014 | // | |||
9015 | // #define NumIterations (NI * ((NJ - J0 - 1 + 2) / 2)) | |||
9016 | // for (int[32|64]_t IV = 0; IV < NumIterations; ++IV ) { | |||
9017 | // .local.i = IV / ((NJ - J0 - 1 + 2) / 2); | |||
9018 | // .local.j = J0 + (IV % ((NJ - J0 - 1 + 2) / 2)) * 2; | |||
9019 | // // similar updates for vars in clauses (e.g. 'linear') | |||
9020 | // <loop body (using local i and j)> | |||
9021 | // } | |||
9022 | // i = NI; // assign final values of counters | |||
9023 | // j = NJ; | |||
9024 | // | |||
9025 | ||||
9026 | // Last iteration number is (I1 * I2 * ... In) - 1, where I1, I2 ... In are | |||
9027 | // the iteration counts of the collapsed for loops. | |||
9028 | // Precondition tests if there is at least one iteration (all conditions are | |||
9029 | // true). | |||
9030 | auto PreCond = ExprResult(IterSpaces[0].PreCond); | |||
9031 | Expr *N0 = IterSpaces[0].NumIterations; | |||
9032 | ExprResult LastIteration32 = | |||
9033 | widenIterationCount(/*Bits=*/32, | |||
9034 | SemaRef | |||
9035 | .PerformImplicitConversion( | |||
9036 | N0->IgnoreImpCasts(), N0->getType(), | |||
9037 | Sema::AA_Converting, /*AllowExplicit=*/true) | |||
9038 | .get(), | |||
9039 | SemaRef); | |||
9040 | ExprResult LastIteration64 = widenIterationCount( | |||
9041 | /*Bits=*/64, | |||
9042 | SemaRef | |||
9043 | .PerformImplicitConversion(N0->IgnoreImpCasts(), N0->getType(), | |||
9044 | Sema::AA_Converting, | |||
9045 | /*AllowExplicit=*/true) | |||
9046 | .get(), | |||
9047 | SemaRef); | |||
9048 | ||||
9049 | if (!LastIteration32.isUsable() || !LastIteration64.isUsable()) | |||
9050 | return NestedLoopCount; | |||
9051 | ||||
9052 | ASTContext &C = SemaRef.Context; | |||
9053 | bool AllCountsNeedLessThan32Bits = C.getTypeSize(N0->getType()) < 32; | |||
9054 | ||||
9055 | Scope *CurScope = DSA.getCurScope(); | |||
9056 | for (unsigned Cnt = 1; Cnt < NestedLoopCount; ++Cnt) { | |||
9057 | if (PreCond.isUsable()) { | |||
9058 | PreCond = | |||
9059 | SemaRef.BuildBinOp(CurScope, PreCond.get()->getExprLoc(), BO_LAnd, | |||
9060 | PreCond.get(), IterSpaces[Cnt].PreCond); | |||
9061 | } | |||
9062 | Expr *N = IterSpaces[Cnt].NumIterations; | |||
9063 | SourceLocation Loc = N->getExprLoc(); | |||
9064 | AllCountsNeedLessThan32Bits &= C.getTypeSize(N->getType()) < 32; | |||
9065 | if (LastIteration32.isUsable()) | |||
9066 | LastIteration32 = SemaRef.BuildBinOp( | |||
9067 | CurScope, Loc, BO_Mul, LastIteration32.get(), | |||
9068 | SemaRef | |||
9069 | .PerformImplicitConversion(N->IgnoreImpCasts(), N->getType(), | |||
9070 | Sema::AA_Converting, | |||
9071 | /*AllowExplicit=*/true) | |||
9072 | .get()); | |||
9073 | if (LastIteration64.isUsable()) | |||
9074 | LastIteration64 = SemaRef.BuildBinOp( | |||
9075 | CurScope, Loc, BO_Mul, LastIteration64.get(), | |||
9076 | SemaRef | |||
9077 | .PerformImplicitConversion(N->IgnoreImpCasts(), N->getType(), | |||
9078 | Sema::AA_Converting, | |||
9079 | /*AllowExplicit=*/true) | |||
9080 | .get()); | |||
9081 | } | |||
9082 | ||||
9083 | // Choose either the 32-bit or 64-bit version. | |||
9084 | ExprResult LastIteration = LastIteration64; | |||
9085 | if (SemaRef.getLangOpts().OpenMPOptimisticCollapse || | |||
9086 | (LastIteration32.isUsable() && | |||
9087 | C.getTypeSize(LastIteration32.get()->getType()) == 32 && | |||
9088 | (AllCountsNeedLessThan32Bits || NestedLoopCount == 1 || | |||
9089 | fitsInto( | |||
9090 | /*Bits=*/32, | |||
9091 | LastIteration32.get()->getType()->hasSignedIntegerRepresentation(), | |||
9092 | LastIteration64.get(), SemaRef)))) | |||
9093 | LastIteration = LastIteration32; | |||
9094 | QualType VType = LastIteration.get()->getType(); | |||
9095 | QualType RealVType = VType; | |||
9096 | QualType StrideVType = VType; | |||
9097 | if (isOpenMPTaskLoopDirective(DKind)) { | |||
9098 | VType = | |||
9099 | SemaRef.Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0); | |||
9100 | StrideVType = | |||
9101 | SemaRef.Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1); | |||
9102 | } | |||
9103 | ||||
9104 | if (!LastIteration.isUsable()) | |||
9105 | return 0; | |||
9106 | ||||
9107 | // Save the number of iterations. | |||
9108 | ExprResult NumIterations = LastIteration; | |||
9109 | { | |||
9110 | LastIteration = SemaRef.BuildBinOp( | |||
9111 | CurScope, LastIteration.get()->getExprLoc(), BO_Sub, | |||
9112 | LastIteration.get(), | |||
9113 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); | |||
9114 | if (!LastIteration.isUsable()) | |||
9115 | return 0; | |||
9116 | } | |||
9117 | ||||
9118 | // Calculate the last iteration number beforehand instead of doing this on | |||
9119 | // each iteration. Do not do this if the number of iterations may be kfold-ed. | |||
9120 | bool IsConstant = LastIteration.get()->isIntegerConstantExpr(SemaRef.Context); | |||
9121 | ExprResult CalcLastIteration; | |||
9122 | if (!IsConstant) { | |||
9123 | ExprResult SaveRef = | |||
9124 | tryBuildCapture(SemaRef, LastIteration.get(), Captures); | |||
9125 | LastIteration = SaveRef; | |||
9126 | ||||
9127 | // Prepare SaveRef + 1. | |||
9128 | NumIterations = SemaRef.BuildBinOp( | |||
9129 | CurScope, SaveRef.get()->getExprLoc(), BO_Add, SaveRef.get(), | |||
9130 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); | |||
9131 | if (!NumIterations.isUsable()) | |||
9132 | return 0; | |||
9133 | } | |||
9134 | ||||
9135 | SourceLocation InitLoc = IterSpaces[0].InitSrcRange.getBegin(); | |||
9136 | ||||
9137 | // Build variables passed into runtime, necessary for worksharing directives. | |||
9138 | ExprResult LB, UB, IL, ST, EUB, CombLB, CombUB, PrevLB, PrevUB, CombEUB; | |||
9139 | if (isOpenMPWorksharingDirective(DKind) || isOpenMPTaskLoopDirective(DKind) || | |||
9140 | isOpenMPDistributeDirective(DKind) || | |||
9141 | isOpenMPLoopTransformationDirective(DKind)) { | |||
9142 | // Lower bound variable, initialized with zero. | |||
9143 | VarDecl *LBDecl = buildVarDecl(SemaRef, InitLoc, VType, ".omp.lb"); | |||
9144 | LB = buildDeclRefExpr(SemaRef, LBDecl, VType, InitLoc); | |||
9145 | SemaRef.AddInitializerToDecl(LBDecl, | |||
9146 | SemaRef.ActOnIntegerConstant(InitLoc, 0).get(), | |||
9147 | /*DirectInit*/ false); | |||
9148 | ||||
9149 | // Upper bound variable, initialized with last iteration number. | |||
9150 | VarDecl *UBDecl = buildVarDecl(SemaRef, InitLoc, VType, ".omp.ub"); | |||
9151 | UB = buildDeclRefExpr(SemaRef, UBDecl, VType, InitLoc); | |||
9152 | SemaRef.AddInitializerToDecl(UBDecl, LastIteration.get(), | |||
9153 | /*DirectInit*/ false); | |||
9154 | ||||
9155 | // A 32-bit variable-flag where runtime returns 1 for the last iteration. | |||
9156 | // This will be used to implement clause 'lastprivate'. | |||
9157 | QualType Int32Ty = SemaRef.Context.getIntTypeForBitwidth(32, true); | |||
9158 | VarDecl *ILDecl = buildVarDecl(SemaRef, InitLoc, Int32Ty, ".omp.is_last"); | |||
9159 | IL = buildDeclRefExpr(SemaRef, ILDecl, Int32Ty, InitLoc); | |||
9160 | SemaRef.AddInitializerToDecl(ILDecl, | |||
9161 | SemaRef.ActOnIntegerConstant(InitLoc, 0).get(), | |||
9162 | /*DirectInit*/ false); | |||
9163 | ||||
9164 | // Stride variable returned by runtime (we initialize it to 1 by default). | |||
9165 | VarDecl *STDecl = | |||
9166 | buildVarDecl(SemaRef, InitLoc, StrideVType, ".omp.stride"); | |||
9167 | ST = buildDeclRefExpr(SemaRef, STDecl, StrideVType, InitLoc); | |||
9168 | SemaRef.AddInitializerToDecl(STDecl, | |||
9169 | SemaRef.ActOnIntegerConstant(InitLoc, 1).get(), | |||
9170 | /*DirectInit*/ false); | |||
9171 | ||||
9172 | // Build expression: UB = min(UB, LastIteration) | |||
9173 | // It is necessary for CodeGen of directives with static scheduling. | |||
9174 | ExprResult IsUBGreater = SemaRef.BuildBinOp(CurScope, InitLoc, BO_GT, | |||
9175 | UB.get(), LastIteration.get()); | |||
9176 | ExprResult CondOp = SemaRef.ActOnConditionalOp( | |||
9177 | LastIteration.get()->getExprLoc(), InitLoc, IsUBGreater.get(), | |||
9178 | LastIteration.get(), UB.get()); | |||
9179 | EUB = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, UB.get(), | |||
9180 | CondOp.get()); | |||
9181 | EUB = SemaRef.ActOnFinishFullExpr(EUB.get(), /*DiscardedValue*/ false); | |||
9182 | ||||
9183 | // If we have a combined directive that combines 'distribute', 'for' or | |||
9184 | // 'simd' we need to be able to access the bounds of the schedule of the | |||
9185 | // enclosing region. E.g. in 'distribute parallel for' the bounds obtained | |||
9186 | // by scheduling 'distribute' have to be passed to the schedule of 'for'. | |||
9187 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | |||
9188 | // Lower bound variable, initialized with zero. | |||
9189 | VarDecl *CombLBDecl = | |||
9190 | buildVarDecl(SemaRef, InitLoc, VType, ".omp.comb.lb"); | |||
9191 | CombLB = buildDeclRefExpr(SemaRef, CombLBDecl, VType, InitLoc); | |||
9192 | SemaRef.AddInitializerToDecl( | |||
9193 | CombLBDecl, SemaRef.ActOnIntegerConstant(InitLoc, 0).get(), | |||
9194 | /*DirectInit*/ false); | |||
9195 | ||||
9196 | // Upper bound variable, initialized with last iteration number. | |||
9197 | VarDecl *CombUBDecl = | |||
9198 | buildVarDecl(SemaRef, InitLoc, VType, ".omp.comb.ub"); | |||
9199 | CombUB = buildDeclRefExpr(SemaRef, CombUBDecl, VType, InitLoc); | |||
9200 | SemaRef.AddInitializerToDecl(CombUBDecl, LastIteration.get(), | |||
9201 | /*DirectInit*/ false); | |||
9202 | ||||
9203 | ExprResult CombIsUBGreater = SemaRef.BuildBinOp( | |||
9204 | CurScope, InitLoc, BO_GT, CombUB.get(), LastIteration.get()); | |||
9205 | ExprResult CombCondOp = | |||
9206 | SemaRef.ActOnConditionalOp(InitLoc, InitLoc, CombIsUBGreater.get(), | |||
9207 | LastIteration.get(), CombUB.get()); | |||
9208 | CombEUB = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, CombUB.get(), | |||
9209 | CombCondOp.get()); | |||
9210 | CombEUB = | |||
9211 | SemaRef.ActOnFinishFullExpr(CombEUB.get(), /*DiscardedValue*/ false); | |||
9212 | ||||
9213 | const CapturedDecl *CD = cast<CapturedStmt>(AStmt)->getCapturedDecl(); | |||
9214 | // We expect to have at least 2 more parameters than the 'parallel' | |||
9215 | // directive does - the lower and upper bounds of the previous schedule. | |||
9216 | assert(CD->getNumParams() >= 4 &&((void)0) | |||
9217 | "Unexpected number of parameters in loop combined directive")((void)0); | |||
9218 | ||||
9219 | // Set the proper type for the bounds given what we learned from the | |||
9220 | // enclosed loops. | |||
9221 | ImplicitParamDecl *PrevLBDecl = CD->getParam(/*PrevLB=*/2); | |||
9222 | ImplicitParamDecl *PrevUBDecl = CD->getParam(/*PrevUB=*/3); | |||
9223 | ||||
9224 | // Previous lower and upper bounds are obtained from the region | |||
9225 | // parameters. | |||
9226 | PrevLB = | |||
9227 | buildDeclRefExpr(SemaRef, PrevLBDecl, PrevLBDecl->getType(), InitLoc); | |||
9228 | PrevUB = | |||
9229 | buildDeclRefExpr(SemaRef, PrevUBDecl, PrevUBDecl->getType(), InitLoc); | |||
9230 | } | |||
9231 | } | |||
9232 | ||||
9233 | // Build the iteration variable and its initialization before loop. | |||
9234 | ExprResult IV; | |||
9235 | ExprResult Init, CombInit; | |||
9236 | { | |||
9237 | VarDecl *IVDecl = buildVarDecl(SemaRef, InitLoc, RealVType, ".omp.iv"); | |||
9238 | IV = buildDeclRefExpr(SemaRef, IVDecl, RealVType, InitLoc); | |||
9239 | Expr *RHS = (isOpenMPWorksharingDirective(DKind) || | |||
9240 | isOpenMPTaskLoopDirective(DKind) || | |||
9241 | isOpenMPDistributeDirective(DKind) || | |||
9242 | isOpenMPLoopTransformationDirective(DKind)) | |||
9243 | ? LB.get() | |||
9244 | : SemaRef.ActOnIntegerConstant(SourceLocation(), 0).get(); | |||
9245 | Init = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, IV.get(), RHS); | |||
9246 | Init = SemaRef.ActOnFinishFullExpr(Init.get(), /*DiscardedValue*/ false); | |||
9247 | ||||
9248 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | |||
9249 | Expr *CombRHS = | |||
9250 | (isOpenMPWorksharingDirective(DKind) || | |||
9251 | isOpenMPTaskLoopDirective(DKind) || | |||
9252 | isOpenMPDistributeDirective(DKind)) | |||
9253 | ? CombLB.get() | |||
9254 | : SemaRef.ActOnIntegerConstant(SourceLocation(), 0).get(); | |||
9255 | CombInit = | |||
9256 | SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, IV.get(), CombRHS); | |||
9257 | CombInit = | |||
9258 | SemaRef.ActOnFinishFullExpr(CombInit.get(), /*DiscardedValue*/ false); | |||
9259 | } | |||
9260 | } | |||
9261 | ||||
9262 | bool UseStrictCompare = | |||
9263 | RealVType->hasUnsignedIntegerRepresentation() && | |||
9264 | llvm::all_of(IterSpaces, [](const LoopIterationSpace &LIS) { | |||
9265 | return LIS.IsStrictCompare; | |||
9266 | }); | |||
9267 | // Loop condition (IV < NumIterations) or (IV <= UB or IV < UB + 1 (for | |||
9268 | // unsigned IV)) for worksharing loops. | |||
9269 | SourceLocation CondLoc = AStmt->getBeginLoc(); | |||
9270 | Expr *BoundUB = UB.get(); | |||
9271 | if (UseStrictCompare) { | |||
9272 | BoundUB = | |||
9273 | SemaRef | |||
9274 | .BuildBinOp(CurScope, CondLoc, BO_Add, BoundUB, | |||
9275 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()) | |||
9276 | .get(); | |||
9277 | BoundUB = | |||
9278 | SemaRef.ActOnFinishFullExpr(BoundUB, /*DiscardedValue*/ false).get(); | |||
9279 | } | |||
9280 | ExprResult Cond = | |||
9281 | (isOpenMPWorksharingDirective(DKind) || | |||
9282 | isOpenMPTaskLoopDirective(DKind) || isOpenMPDistributeDirective(DKind) || | |||
9283 | isOpenMPLoopTransformationDirective(DKind)) | |||
9284 | ? SemaRef.BuildBinOp(CurScope, CondLoc, | |||
9285 | UseStrictCompare ? BO_LT : BO_LE, IV.get(), | |||
9286 | BoundUB) | |||
9287 | : SemaRef.BuildBinOp(CurScope, CondLoc, BO_LT, IV.get(), | |||
9288 | NumIterations.get()); | |||
9289 | ExprResult CombDistCond; | |||
9290 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | |||
9291 | CombDistCond = SemaRef.BuildBinOp(CurScope, CondLoc, BO_LT, IV.get(), | |||
9292 | NumIterations.get()); | |||
9293 | } | |||
9294 | ||||
9295 | ExprResult CombCond; | |||
9296 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | |||
9297 | Expr *BoundCombUB = CombUB.get(); | |||
9298 | if (UseStrictCompare) { | |||
9299 | BoundCombUB = | |||
9300 | SemaRef | |||
9301 | .BuildBinOp( | |||
9302 | CurScope, CondLoc, BO_Add, BoundCombUB, | |||
9303 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()) | |||
9304 | .get(); | |||
9305 | BoundCombUB = | |||
9306 | SemaRef.ActOnFinishFullExpr(BoundCombUB, /*DiscardedValue*/ false) | |||
9307 | .get(); | |||
9308 | } | |||
9309 | CombCond = | |||
9310 | SemaRef.BuildBinOp(CurScope, CondLoc, UseStrictCompare ? BO_LT : BO_LE, | |||
9311 | IV.get(), BoundCombUB); | |||
9312 | } | |||
9313 | // Loop increment (IV = IV + 1) | |||
9314 | SourceLocation IncLoc = AStmt->getBeginLoc(); | |||
9315 | ExprResult Inc = | |||
9316 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, IV.get(), | |||
9317 | SemaRef.ActOnIntegerConstant(IncLoc, 1).get()); | |||
9318 | if (!Inc.isUsable()) | |||
9319 | return 0; | |||
9320 | Inc = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, IV.get(), Inc.get()); | |||
9321 | Inc = SemaRef.ActOnFinishFullExpr(Inc.get(), /*DiscardedValue*/ false); | |||
9322 | if (!Inc.isUsable()) | |||
9323 | return 0; | |||
9324 | ||||
9325 | // Increments for worksharing loops (LB = LB + ST; UB = UB + ST). | |||
9326 | // Used for directives with static scheduling. | |||
9327 | // In combined construct, add combined version that use CombLB and CombUB | |||
9328 | // base variables for the update | |||
9329 | ExprResult NextLB, NextUB, CombNextLB, CombNextUB; | |||
9330 | if (isOpenMPWorksharingDirective(DKind) || isOpenMPTaskLoopDirective(DKind) || | |||
9331 | isOpenMPDistributeDirective(DKind) || | |||
9332 | isOpenMPLoopTransformationDirective(DKind)) { | |||
9333 | // LB + ST | |||
9334 | NextLB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, LB.get(), ST.get()); | |||
9335 | if (!NextLB.isUsable()) | |||
9336 | return 0; | |||
9337 | // LB = LB + ST | |||
9338 | NextLB = | |||
9339 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, LB.get(), NextLB.get()); | |||
9340 | NextLB = | |||
9341 | SemaRef.ActOnFinishFullExpr(NextLB.get(), /*DiscardedValue*/ false); | |||
9342 | if (!NextLB.isUsable()) | |||
9343 | return 0; | |||
9344 | // UB + ST | |||
9345 | NextUB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, UB.get(), ST.get()); | |||
9346 | if (!NextUB.isUsable()) | |||
9347 | return 0; | |||
9348 | // UB = UB + ST | |||
9349 | NextUB = | |||
9350 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, UB.get(), NextUB.get()); | |||
9351 | NextUB = | |||
9352 | SemaRef.ActOnFinishFullExpr(NextUB.get(), /*DiscardedValue*/ false); | |||
9353 | if (!NextUB.isUsable()) | |||
9354 | return 0; | |||
9355 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | |||
9356 | CombNextLB = | |||
9357 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, CombLB.get(), ST.get()); | |||
9358 | if (!NextLB.isUsable()) | |||
9359 | return 0; | |||
9360 | // LB = LB + ST | |||
9361 | CombNextLB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, CombLB.get(), | |||
9362 | CombNextLB.get()); | |||
9363 | CombNextLB = SemaRef.ActOnFinishFullExpr(CombNextLB.get(), | |||
9364 | /*DiscardedValue*/ false); | |||
9365 | if (!CombNextLB.isUsable()) | |||
9366 | return 0; | |||
9367 | // UB + ST | |||
9368 | CombNextUB = | |||
9369 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, CombUB.get(), ST.get()); | |||
9370 | if (!CombNextUB.isUsable()) | |||
9371 | return 0; | |||
9372 | // UB = UB + ST | |||
9373 | CombNextUB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, CombUB.get(), | |||
9374 | CombNextUB.get()); | |||
9375 | CombNextUB = SemaRef.ActOnFinishFullExpr(CombNextUB.get(), | |||
9376 | /*DiscardedValue*/ false); | |||
9377 | if (!CombNextUB.isUsable()) | |||
9378 | return 0; | |||
9379 | } | |||
9380 | } | |||
9381 | ||||
9382 | // Create increment expression for distribute loop when combined in a same | |||
9383 | // directive with for as IV = IV + ST; ensure upper bound expression based | |||
9384 | // on PrevUB instead of NumIterations - used to implement 'for' when found | |||
9385 | // in combination with 'distribute', like in 'distribute parallel for' | |||
9386 | SourceLocation DistIncLoc = AStmt->getBeginLoc(); | |||
9387 | ExprResult DistCond, DistInc, PrevEUB, ParForInDistCond; | |||
9388 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | |||
9389 | DistCond = SemaRef.BuildBinOp( | |||
9390 | CurScope, CondLoc, UseStrictCompare ? BO_LT : BO_LE, IV.get(), BoundUB); | |||
9391 | assert(DistCond.isUsable() && "distribute cond expr was not built")((void)0); | |||
9392 | ||||
9393 | DistInc = | |||
9394 | SemaRef.BuildBinOp(CurScope, DistIncLoc, BO_Add, IV.get(), ST.get()); | |||
9395 | assert(DistInc.isUsable() && "distribute inc expr was not built")((void)0); | |||
9396 | DistInc = SemaRef.BuildBinOp(CurScope, DistIncLoc, BO_Assign, IV.get(), | |||
9397 | DistInc.get()); | |||
9398 | DistInc = | |||
9399 | SemaRef.ActOnFinishFullExpr(DistInc.get(), /*DiscardedValue*/ false); | |||
9400 | assert(DistInc.isUsable() && "distribute inc expr was not built")((void)0); | |||
9401 | ||||
9402 | // Build expression: UB = min(UB, prevUB) for #for in composite or combined | |||
9403 | // construct | |||
9404 | ExprResult NewPrevUB = PrevUB; | |||
9405 | SourceLocation DistEUBLoc = AStmt->getBeginLoc(); | |||
9406 | if (!SemaRef.Context.hasSameType(UB.get()->getType(), | |||
9407 | PrevUB.get()->getType())) { | |||
9408 | NewPrevUB = SemaRef.BuildCStyleCastExpr( | |||
9409 | DistEUBLoc, | |||
9410 | SemaRef.Context.getTrivialTypeSourceInfo(UB.get()->getType()), | |||
9411 | DistEUBLoc, NewPrevUB.get()); | |||
9412 | if (!NewPrevUB.isUsable()) | |||
9413 | return 0; | |||
9414 | } | |||
9415 | ExprResult IsUBGreater = SemaRef.BuildBinOp(CurScope, DistEUBLoc, BO_GT, | |||
9416 | UB.get(), NewPrevUB.get()); | |||
9417 | ExprResult CondOp = SemaRef.ActOnConditionalOp( | |||
9418 | DistEUBLoc, DistEUBLoc, IsUBGreater.get(), NewPrevUB.get(), UB.get()); | |||
9419 | PrevEUB = SemaRef.BuildBinOp(CurScope, DistIncLoc, BO_Assign, UB.get(), | |||
9420 | CondOp.get()); | |||
9421 | PrevEUB = | |||
9422 | SemaRef.ActOnFinishFullExpr(PrevEUB.get(), /*DiscardedValue*/ false); | |||
9423 | ||||
9424 | // Build IV <= PrevUB or IV < PrevUB + 1 for unsigned IV to be used in | |||
9425 | // parallel for is in combination with a distribute directive with | |||
9426 | // schedule(static, 1) | |||
9427 | Expr *BoundPrevUB = PrevUB.get(); | |||
9428 | if (UseStrictCompare) { | |||
9429 | BoundPrevUB = | |||
9430 | SemaRef | |||
9431 | .BuildBinOp( | |||
9432 | CurScope, CondLoc, BO_Add, BoundPrevUB, | |||
9433 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()) | |||
9434 | .get(); | |||
9435 | BoundPrevUB = | |||
9436 | SemaRef.ActOnFinishFullExpr(BoundPrevUB, /*DiscardedValue*/ false) | |||
9437 | .get(); | |||
9438 | } | |||
9439 | ParForInDistCond = | |||
9440 | SemaRef.BuildBinOp(CurScope, CondLoc, UseStrictCompare ? BO_LT : BO_LE, | |||
9441 | IV.get(), BoundPrevUB); | |||
9442 | } | |||
9443 | ||||
9444 | // Build updates and final values of the loop counters. | |||
9445 | bool HasErrors = false; | |||
9446 | Built.Counters.resize(NestedLoopCount); | |||
9447 | Built.Inits.resize(NestedLoopCount); | |||
9448 | Built.Updates.resize(NestedLoopCount); | |||
9449 | Built.Finals.resize(NestedLoopCount); | |||
9450 | Built.DependentCounters.resize(NestedLoopCount); | |||
9451 | Built.DependentInits.resize(NestedLoopCount); | |||
9452 | Built.FinalsConditions.resize(NestedLoopCount); | |||
9453 | { | |||
9454 | // We implement the following algorithm for obtaining the | |||
9455 | // original loop iteration variable values based on the | |||
9456 | // value of the collapsed loop iteration variable IV. | |||
9457 | // | |||
9458 | // Let n+1 be the number of collapsed loops in the nest. | |||
9459 | // Iteration variables (I0, I1, .... In) | |||
9460 | // Iteration counts (N0, N1, ... Nn) | |||
9461 | // | |||
9462 | // Acc = IV; | |||
9463 | // | |||
9464 | // To compute Ik for loop k, 0 <= k <= n, generate: | |||
9465 | // Prod = N(k+1) * N(k+2) * ... * Nn; | |||
9466 | // Ik = Acc / Prod; | |||
9467 | // Acc -= Ik * Prod; | |||
9468 | // | |||
9469 | ExprResult Acc = IV; | |||
9470 | for (unsigned int Cnt = 0; Cnt < NestedLoopCount; ++Cnt) { | |||
9471 | LoopIterationSpace &IS = IterSpaces[Cnt]; | |||
9472 | SourceLocation UpdLoc = IS.IncSrcRange.getBegin(); | |||
9473 | ExprResult Iter; | |||
9474 | ||||
9475 | // Compute prod | |||
9476 | ExprResult Prod = | |||
9477 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get(); | |||
9478 | for (unsigned int K = Cnt+1; K < NestedLoopCount; ++K) | |||
9479 | Prod = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Mul, Prod.get(), | |||
9480 | IterSpaces[K].NumIterations); | |||
9481 | ||||
9482 | // Iter = Acc / Prod | |||
9483 | // If there is at least one more inner loop to avoid | |||
9484 | // multiplication by 1. | |||
9485 | if (Cnt + 1 < NestedLoopCount) | |||
9486 | Iter = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Div, | |||
9487 | Acc.get(), Prod.get()); | |||
9488 | else | |||
9489 | Iter = Acc; | |||
9490 | if (!Iter.isUsable()) { | |||
9491 | HasErrors = true; | |||
9492 | break; | |||
9493 | } | |||
9494 | ||||
9495 | // Update Acc: | |||
9496 | // Acc -= Iter * Prod | |||
9497 | // Check if there is at least one more inner loop to avoid | |||
9498 | // multiplication by 1. | |||
9499 | if (Cnt + 1 < NestedLoopCount) | |||
9500 | Prod = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Mul, | |||
9501 | Iter.get(), Prod.get()); | |||
9502 | else | |||
9503 | Prod = Iter; | |||
9504 | Acc = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Sub, | |||
9505 | Acc.get(), Prod.get()); | |||
9506 | ||||
9507 | // Build update: IS.CounterVar(Private) = IS.Start + Iter * IS.Step | |||
9508 | auto *VD = cast<VarDecl>(cast<DeclRefExpr>(IS.CounterVar)->getDecl()); | |||
9509 | DeclRefExpr *CounterVar = buildDeclRefExpr( | |||
9510 | SemaRef, VD, IS.CounterVar->getType(), IS.CounterVar->getExprLoc(), | |||
9511 | /*RefersToCapture=*/true); | |||
9512 | ExprResult Init = | |||
9513 | buildCounterInit(SemaRef, CurScope, UpdLoc, CounterVar, | |||
9514 | IS.CounterInit, IS.IsNonRectangularLB, Captures); | |||
9515 | if (!Init.isUsable()) { | |||
9516 | HasErrors = true; | |||
9517 | break; | |||
9518 | } | |||
9519 | ExprResult Update = buildCounterUpdate( | |||
9520 | SemaRef, CurScope, UpdLoc, CounterVar, IS.CounterInit, Iter, | |||
9521 | IS.CounterStep, IS.Subtract, IS.IsNonRectangularLB, &Captures); | |||
9522 | if (!Update.isUsable()) { | |||
9523 | HasErrors = true; | |||
9524 | break; | |||
9525 | } | |||
9526 | ||||
9527 | // Build final: IS.CounterVar = IS.Start + IS.NumIters * IS.Step | |||
9528 | ExprResult Final = | |||
9529 | buildCounterUpdate(SemaRef, CurScope, UpdLoc, CounterVar, | |||
9530 | IS.CounterInit, IS.NumIterations, IS.CounterStep, | |||
9531 | IS.Subtract, IS.IsNonRectangularLB, &Captures); | |||
9532 | if (!Final.isUsable()) { | |||
9533 | HasErrors = true; | |||
9534 | break; | |||
9535 | } | |||
9536 | ||||
9537 | if (!Update.isUsable() || !Final.isUsable()) { | |||
9538 | HasErrors = true; | |||
9539 | break; | |||
9540 | } | |||
9541 | // Save results | |||
9542 | Built.Counters[Cnt] = IS.CounterVar; | |||
9543 | Built.PrivateCounters[Cnt] = IS.PrivateCounterVar; | |||
9544 | Built.Inits[Cnt] = Init.get(); | |||
9545 | Built.Updates[Cnt] = Update.get(); | |||
9546 | Built.Finals[Cnt] = Final.get(); | |||
9547 | Built.DependentCounters[Cnt] = nullptr; | |||
9548 | Built.DependentInits[Cnt] = nullptr; | |||
9549 | Built.FinalsConditions[Cnt] = nullptr; | |||
9550 | if (IS.IsNonRectangularLB || IS.IsNonRectangularUB) { | |||
9551 | Built.DependentCounters[Cnt] = | |||
9552 | Built.Counters[NestedLoopCount - 1 - IS.LoopDependentIdx]; | |||
9553 | Built.DependentInits[Cnt] = | |||
9554 | Built.Inits[NestedLoopCount - 1 - IS.LoopDependentIdx]; | |||
9555 | Built.FinalsConditions[Cnt] = IS.FinalCondition; | |||
9556 | } | |||
9557 | } | |||
9558 | } | |||
9559 | ||||
9560 | if (HasErrors) | |||
9561 | return 0; | |||
9562 | ||||
9563 | // Save results | |||
9564 | Built.IterationVarRef = IV.get(); | |||
9565 | Built.LastIteration = LastIteration.get(); | |||
9566 | Built.NumIterations = NumIterations.get(); | |||
9567 | Built.CalcLastIteration = SemaRef | |||
9568 | .ActOnFinishFullExpr(CalcLastIteration.get(), | |||
9569 | /*DiscardedValue=*/false) | |||
9570 | .get(); | |||
9571 | Built.PreCond = PreCond.get(); | |||
9572 | Built.PreInits = buildPreInits(C, Captures); | |||
9573 | Built.Cond = Cond.get(); | |||
9574 | Built.Init = Init.get(); | |||
9575 | Built.Inc = Inc.get(); | |||
9576 | Built.LB = LB.get(); | |||
9577 | Built.UB = UB.get(); | |||
9578 | Built.IL = IL.get(); | |||
9579 | Built.ST = ST.get(); | |||
9580 | Built.EUB = EUB.get(); | |||
9581 | Built.NLB = NextLB.get(); | |||
9582 | Built.NUB = NextUB.get(); | |||
9583 | Built.PrevLB = PrevLB.get(); | |||
9584 | Built.PrevUB = PrevUB.get(); | |||
9585 | Built.DistInc = DistInc.get(); | |||
9586 | Built.PrevEUB = PrevEUB.get(); | |||
9587 | Built.DistCombinedFields.LB = CombLB.get(); | |||
9588 | Built.DistCombinedFields.UB = CombUB.get(); | |||
9589 | Built.DistCombinedFields.EUB = CombEUB.get(); | |||
9590 | Built.DistCombinedFields.Init = CombInit.get(); | |||
9591 | Built.DistCombinedFields.Cond = CombCond.get(); | |||
9592 | Built.DistCombinedFields.NLB = CombNextLB.get(); | |||
9593 | Built.DistCombinedFields.NUB = CombNextUB.get(); | |||
9594 | Built.DistCombinedFields.DistCond = CombDistCond.get(); | |||
9595 | Built.DistCombinedFields.ParForInDistCond = ParForInDistCond.get(); | |||
9596 | ||||
9597 | return NestedLoopCount; | |||
9598 | } | |||
9599 | ||||
9600 | static Expr *getCollapseNumberExpr(ArrayRef<OMPClause *> Clauses) { | |||
9601 | auto CollapseClauses = | |||
9602 | OMPExecutableDirective::getClausesOfKind<OMPCollapseClause>(Clauses); | |||
9603 | if (CollapseClauses.begin() != CollapseClauses.end()) | |||
9604 | return (*CollapseClauses.begin())->getNumForLoops(); | |||
9605 | return nullptr; | |||
9606 | } | |||
9607 | ||||
9608 | static Expr *getOrderedNumberExpr(ArrayRef<OMPClause *> Clauses) { | |||
9609 | auto OrderedClauses = | |||
9610 | OMPExecutableDirective::getClausesOfKind<OMPOrderedClause>(Clauses); | |||
9611 | if (OrderedClauses.begin() != OrderedClauses.end()) | |||
9612 | return (*OrderedClauses.begin())->getNumForLoops(); | |||
9613 | return nullptr; | |||
9614 | } | |||
9615 | ||||
9616 | static bool checkSimdlenSafelenSpecified(Sema &S, | |||
9617 | const ArrayRef<OMPClause *> Clauses) { | |||
9618 | const OMPSafelenClause *Safelen = nullptr; | |||
9619 | const OMPSimdlenClause *Simdlen = nullptr; | |||
9620 | ||||
9621 | for (const OMPClause *Clause : Clauses) { | |||
9622 | if (Clause->getClauseKind() == OMPC_safelen) | |||
9623 | Safelen = cast<OMPSafelenClause>(Clause); | |||
9624 | else if (Clause->getClauseKind() == OMPC_simdlen) | |||
9625 | Simdlen = cast<OMPSimdlenClause>(Clause); | |||
9626 | if (Safelen && Simdlen) | |||
9627 | break; | |||
9628 | } | |||
9629 | ||||
9630 | if (Simdlen && Safelen) { | |||
9631 | const Expr *SimdlenLength = Simdlen->getSimdlen(); | |||
9632 | const Expr *SafelenLength = Safelen->getSafelen(); | |||
9633 | if (SimdlenLength->isValueDependent() || SimdlenLength->isTypeDependent() || | |||
9634 | SimdlenLength->isInstantiationDependent() || | |||
9635 | SimdlenLength->containsUnexpandedParameterPack()) | |||
9636 | return false; | |||
9637 | if (SafelenLength->isValueDependent() || SafelenLength->isTypeDependent() || | |||
9638 | SafelenLength->isInstantiationDependent() || | |||
9639 | SafelenLength->containsUnexpandedParameterPack()) | |||
9640 | return false; | |||
9641 | Expr::EvalResult SimdlenResult, SafelenResult; | |||
9642 | SimdlenLength->EvaluateAsInt(SimdlenResult, S.Context); | |||
9643 | SafelenLength->EvaluateAsInt(SafelenResult, S.Context); | |||
9644 | llvm::APSInt SimdlenRes = SimdlenResult.Val.getInt(); | |||
9645 | llvm::APSInt SafelenRes = SafelenResult.Val.getInt(); | |||
9646 | // OpenMP 4.5 [2.8.1, simd Construct, Restrictions] | |||
9647 | // If both simdlen and safelen clauses are specified, the value of the | |||
9648 | // simdlen parameter must be less than or equal to the value of the safelen | |||
9649 | // parameter. | |||
9650 | if (SimdlenRes > SafelenRes) { | |||
9651 | S.Diag(SimdlenLength->getExprLoc(), | |||
9652 | diag::err_omp_wrong_simdlen_safelen_values) | |||
9653 | << SimdlenLength->getSourceRange() << SafelenLength->getSourceRange(); | |||
9654 | return true; | |||
9655 | } | |||
9656 | } | |||
9657 | return false; | |||
9658 | } | |||
9659 | ||||
9660 | StmtResult | |||
9661 | Sema::ActOnOpenMPSimdDirective(ArrayRef<OMPClause *> Clauses, Stmt *AStmt, | |||
9662 | SourceLocation StartLoc, SourceLocation EndLoc, | |||
9663 | VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
9664 | if (!AStmt) | |||
9665 | return StmtError(); | |||
9666 | ||||
9667 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | |||
9668 | OMPLoopBasedDirective::HelperExprs B; | |||
9669 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
9670 | // define the nested loops number. | |||
9671 | unsigned NestedLoopCount = checkOpenMPLoop( | |||
9672 | OMPD_simd, getCollapseNumberExpr(Clauses), getOrderedNumberExpr(Clauses), | |||
9673 | AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | |||
9674 | if (NestedLoopCount == 0) | |||
9675 | return StmtError(); | |||
9676 | ||||
9677 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | |||
9678 | "omp simd loop exprs were not built")((void)0); | |||
9679 | ||||
9680 | if (!CurContext->isDependentContext()) { | |||
9681 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
9682 | for (OMPClause *C : Clauses) { | |||
9683 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
9684 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
9685 | B.NumIterations, *this, CurScope, | |||
9686 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
9687 | return StmtError(); | |||
9688 | } | |||
9689 | } | |||
9690 | ||||
9691 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
9692 | return StmtError(); | |||
9693 | ||||
9694 | setFunctionHasBranchProtectedScope(); | |||
9695 | return OMPSimdDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, | |||
9696 | Clauses, AStmt, B); | |||
9697 | } | |||
9698 | ||||
9699 | StmtResult | |||
9700 | Sema::ActOnOpenMPForDirective(ArrayRef<OMPClause *> Clauses, Stmt *AStmt, | |||
9701 | SourceLocation StartLoc, SourceLocation EndLoc, | |||
9702 | VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
9703 | if (!AStmt) | |||
9704 | return StmtError(); | |||
9705 | ||||
9706 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | |||
9707 | OMPLoopBasedDirective::HelperExprs B; | |||
9708 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
9709 | // define the nested loops number. | |||
9710 | unsigned NestedLoopCount = checkOpenMPLoop( | |||
9711 | OMPD_for, getCollapseNumberExpr(Clauses), getOrderedNumberExpr(Clauses), | |||
9712 | AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | |||
9713 | if (NestedLoopCount == 0) | |||
9714 | return StmtError(); | |||
9715 | ||||
9716 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | |||
9717 | "omp for loop exprs were not built")((void)0); | |||
9718 | ||||
9719 | if (!CurContext->isDependentContext()) { | |||
9720 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
9721 | for (OMPClause *C : Clauses) { | |||
9722 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
9723 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
9724 | B.NumIterations, *this, CurScope, | |||
9725 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
9726 | return StmtError(); | |||
9727 | } | |||
9728 | } | |||
9729 | ||||
9730 | setFunctionHasBranchProtectedScope(); | |||
9731 | return OMPForDirective::Create( | |||
9732 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | |||
9733 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
9734 | } | |||
9735 | ||||
9736 | StmtResult Sema::ActOnOpenMPForSimdDirective( | |||
9737 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
9738 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
9739 | if (!AStmt) | |||
9740 | return StmtError(); | |||
9741 | ||||
9742 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | |||
9743 | OMPLoopBasedDirective::HelperExprs B; | |||
9744 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
9745 | // define the nested loops number. | |||
9746 | unsigned NestedLoopCount = | |||
9747 | checkOpenMPLoop(OMPD_for_simd, getCollapseNumberExpr(Clauses), | |||
9748 | getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
9749 | VarsWithImplicitDSA, B); | |||
9750 | if (NestedLoopCount == 0) | |||
9751 | return StmtError(); | |||
9752 | ||||
9753 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | |||
9754 | "omp for simd loop exprs were not built")((void)0); | |||
9755 | ||||
9756 | if (!CurContext->isDependentContext()) { | |||
9757 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
9758 | for (OMPClause *C : Clauses) { | |||
9759 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
9760 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
9761 | B.NumIterations, *this, CurScope, | |||
9762 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
9763 | return StmtError(); | |||
9764 | } | |||
9765 | } | |||
9766 | ||||
9767 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
9768 | return StmtError(); | |||
9769 | ||||
9770 | setFunctionHasBranchProtectedScope(); | |||
9771 | return OMPForSimdDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, | |||
9772 | Clauses, AStmt, B); | |||
9773 | } | |||
9774 | ||||
9775 | StmtResult Sema::ActOnOpenMPSectionsDirective(ArrayRef<OMPClause *> Clauses, | |||
9776 | Stmt *AStmt, | |||
9777 | SourceLocation StartLoc, | |||
9778 | SourceLocation EndLoc) { | |||
9779 | if (!AStmt) | |||
9780 | return StmtError(); | |||
9781 | ||||
9782 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | |||
9783 | auto BaseStmt = AStmt; | |||
9784 | while (auto *CS = dyn_cast_or_null<CapturedStmt>(BaseStmt)) | |||
9785 | BaseStmt = CS->getCapturedStmt(); | |||
9786 | if (auto *C = dyn_cast_or_null<CompoundStmt>(BaseStmt)) { | |||
9787 | auto S = C->children(); | |||
9788 | if (S.begin() == S.end()) | |||
9789 | return StmtError(); | |||
9790 | // All associated statements must be '#pragma omp section' except for | |||
9791 | // the first one. | |||
9792 | for (Stmt *SectionStmt : llvm::make_range(std::next(S.begin()), S.end())) { | |||
9793 | if (!SectionStmt || !isa<OMPSectionDirective>(SectionStmt)) { | |||
9794 | if (SectionStmt) | |||
9795 | Diag(SectionStmt->getBeginLoc(), | |||
9796 | diag::err_omp_sections_substmt_not_section); | |||
9797 | return StmtError(); | |||
9798 | } | |||
9799 | cast<OMPSectionDirective>(SectionStmt) | |||
9800 | ->setHasCancel(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
9801 | } | |||
9802 | } else { | |||
9803 | Diag(AStmt->getBeginLoc(), diag::err_omp_sections_not_compound_stmt); | |||
9804 | return StmtError(); | |||
9805 | } | |||
9806 | ||||
9807 | setFunctionHasBranchProtectedScope(); | |||
9808 | ||||
9809 | return OMPSectionsDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | |||
9810 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), | |||
9811 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
9812 | } | |||
9813 | ||||
9814 | StmtResult Sema::ActOnOpenMPSectionDirective(Stmt *AStmt, | |||
9815 | SourceLocation StartLoc, | |||
9816 | SourceLocation EndLoc) { | |||
9817 | if (!AStmt) | |||
9818 | return StmtError(); | |||
9819 | ||||
9820 | setFunctionHasBranchProtectedScope(); | |||
9821 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentCancelRegion(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
9822 | ||||
9823 | return OMPSectionDirective::Create(Context, StartLoc, EndLoc, AStmt, | |||
9824 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
9825 | } | |||
9826 | ||||
9827 | static Expr *getDirectCallExpr(Expr *E) { | |||
9828 | E = E->IgnoreParenCasts()->IgnoreImplicit(); | |||
9829 | if (auto *CE = dyn_cast<CallExpr>(E)) | |||
9830 | if (CE->getDirectCallee()) | |||
9831 | return E; | |||
9832 | return nullptr; | |||
9833 | } | |||
9834 | ||||
9835 | StmtResult Sema::ActOnOpenMPDispatchDirective(ArrayRef<OMPClause *> Clauses, | |||
9836 | Stmt *AStmt, | |||
9837 | SourceLocation StartLoc, | |||
9838 | SourceLocation EndLoc) { | |||
9839 | if (!AStmt) | |||
9840 | return StmtError(); | |||
9841 | ||||
9842 | Stmt *S = cast<CapturedStmt>(AStmt)->getCapturedStmt(); | |||
9843 | ||||
9844 | // 5.1 OpenMP | |||
9845 | // expression-stmt : an expression statement with one of the following forms: | |||
9846 | // expression = target-call ( [expression-list] ); | |||
9847 | // target-call ( [expression-list] ); | |||
9848 | ||||
9849 | SourceLocation TargetCallLoc; | |||
9850 | ||||
9851 | if (!CurContext->isDependentContext()) { | |||
9852 | Expr *TargetCall = nullptr; | |||
9853 | ||||
9854 | auto *E = dyn_cast<Expr>(S); | |||
9855 | if (!E) { | |||
9856 | Diag(S->getBeginLoc(), diag::err_omp_dispatch_statement_call); | |||
9857 | return StmtError(); | |||
9858 | } | |||
9859 | ||||
9860 | E = E->IgnoreParenCasts()->IgnoreImplicit(); | |||
9861 | ||||
9862 | if (auto *BO = dyn_cast<BinaryOperator>(E)) { | |||
9863 | if (BO->getOpcode() == BO_Assign) | |||
9864 | TargetCall = getDirectCallExpr(BO->getRHS()); | |||
9865 | } else { | |||
9866 | if (auto *COCE = dyn_cast<CXXOperatorCallExpr>(E)) | |||
9867 | if (COCE->getOperator() == OO_Equal) | |||
9868 | TargetCall = getDirectCallExpr(COCE->getArg(1)); | |||
9869 | if (!TargetCall) | |||
9870 | TargetCall = getDirectCallExpr(E); | |||
9871 | } | |||
9872 | if (!TargetCall) { | |||
9873 | Diag(E->getBeginLoc(), diag::err_omp_dispatch_statement_call); | |||
9874 | return StmtError(); | |||
9875 | } | |||
9876 | TargetCallLoc = TargetCall->getExprLoc(); | |||
9877 | } | |||
9878 | ||||
9879 | setFunctionHasBranchProtectedScope(); | |||
9880 | ||||
9881 | return OMPDispatchDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | |||
9882 | TargetCallLoc); | |||
9883 | } | |||
9884 | ||||
9885 | StmtResult Sema::ActOnOpenMPSingleDirective(ArrayRef<OMPClause *> Clauses, | |||
9886 | Stmt *AStmt, | |||
9887 | SourceLocation StartLoc, | |||
9888 | SourceLocation EndLoc) { | |||
9889 | if (!AStmt) | |||
9890 | return StmtError(); | |||
9891 | ||||
9892 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | |||
9893 | ||||
9894 | setFunctionHasBranchProtectedScope(); | |||
9895 | ||||
9896 | // OpenMP [2.7.3, single Construct, Restrictions] | |||
9897 | // The copyprivate clause must not be used with the nowait clause. | |||
9898 | const OMPClause *Nowait = nullptr; | |||
9899 | const OMPClause *Copyprivate = nullptr; | |||
9900 | for (const OMPClause *Clause : Clauses) { | |||
9901 | if (Clause->getClauseKind() == OMPC_nowait) | |||
9902 | Nowait = Clause; | |||
9903 | else if (Clause->getClauseKind() == OMPC_copyprivate) | |||
9904 | Copyprivate = Clause; | |||
9905 | if (Copyprivate && Nowait) { | |||
9906 | Diag(Copyprivate->getBeginLoc(), | |||
9907 | diag::err_omp_single_copyprivate_with_nowait); | |||
9908 | Diag(Nowait->getBeginLoc(), diag::note_omp_nowait_clause_here); | |||
9909 | return StmtError(); | |||
9910 | } | |||
9911 | } | |||
9912 | ||||
9913 | return OMPSingleDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); | |||
9914 | } | |||
9915 | ||||
9916 | StmtResult Sema::ActOnOpenMPMasterDirective(Stmt *AStmt, | |||
9917 | SourceLocation StartLoc, | |||
9918 | SourceLocation EndLoc) { | |||
9919 | if (!AStmt) | |||
9920 | return StmtError(); | |||
9921 | ||||
9922 | setFunctionHasBranchProtectedScope(); | |||
9923 | ||||
9924 | return OMPMasterDirective::Create(Context, StartLoc, EndLoc, AStmt); | |||
9925 | } | |||
9926 | ||||
9927 | StmtResult Sema::ActOnOpenMPMaskedDirective(ArrayRef<OMPClause *> Clauses, | |||
9928 | Stmt *AStmt, | |||
9929 | SourceLocation StartLoc, | |||
9930 | SourceLocation EndLoc) { | |||
9931 | if (!AStmt) | |||
9932 | return StmtError(); | |||
9933 | ||||
9934 | setFunctionHasBranchProtectedScope(); | |||
9935 | ||||
9936 | return OMPMaskedDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); | |||
9937 | } | |||
9938 | ||||
9939 | StmtResult Sema::ActOnOpenMPCriticalDirective( | |||
9940 | const DeclarationNameInfo &DirName, ArrayRef<OMPClause *> Clauses, | |||
9941 | Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { | |||
9942 | if (!AStmt) | |||
9943 | return StmtError(); | |||
9944 | ||||
9945 | bool ErrorFound = false; | |||
9946 | llvm::APSInt Hint; | |||
9947 | SourceLocation HintLoc; | |||
9948 | bool DependentHint = false; | |||
9949 | for (const OMPClause *C : Clauses) { | |||
9950 | if (C->getClauseKind() == OMPC_hint) { | |||
9951 | if (!DirName.getName()) { | |||
9952 | Diag(C->getBeginLoc(), diag::err_omp_hint_clause_no_name); | |||
9953 | ErrorFound = true; | |||
9954 | } | |||
9955 | Expr *E = cast<OMPHintClause>(C)->getHint(); | |||
9956 | if (E->isTypeDependent() || E->isValueDependent() || | |||
9957 | E->isInstantiationDependent()) { | |||
9958 | DependentHint = true; | |||
9959 | } else { | |||
9960 | Hint = E->EvaluateKnownConstInt(Context); | |||
9961 | HintLoc = C->getBeginLoc(); | |||
9962 | } | |||
9963 | } | |||
9964 | } | |||
9965 | if (ErrorFound) | |||
9966 | return StmtError(); | |||
9967 | const auto Pair = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCriticalWithHint(DirName); | |||
9968 | if (Pair.first && DirName.getName() && !DependentHint) { | |||
9969 | if (llvm::APSInt::compareValues(Hint, Pair.second) != 0) { | |||
9970 | Diag(StartLoc, diag::err_omp_critical_with_hint); | |||
9971 | if (HintLoc.isValid()) | |||
9972 | Diag(HintLoc, diag::note_omp_critical_hint_here) | |||
9973 | << 0 << toString(Hint, /*Radix=*/10, /*Signed=*/false); | |||
9974 | else | |||
9975 | Diag(StartLoc, diag::note_omp_critical_no_hint) << 0; | |||
9976 | if (const auto *C = Pair.first->getSingleClause<OMPHintClause>()) { | |||
9977 | Diag(C->getBeginLoc(), diag::note_omp_critical_hint_here) | |||
9978 | << 1 | |||
9979 | << toString(C->getHint()->EvaluateKnownConstInt(Context), | |||
9980 | /*Radix=*/10, /*Signed=*/false); | |||
9981 | } else { | |||
9982 | Diag(Pair.first->getBeginLoc(), diag::note_omp_critical_no_hint) << 1; | |||
9983 | } | |||
9984 | } | |||
9985 | } | |||
9986 | ||||
9987 | setFunctionHasBranchProtectedScope(); | |||
9988 | ||||
9989 | auto *Dir = OMPCriticalDirective::Create(Context, DirName, StartLoc, EndLoc, | |||
9990 | Clauses, AStmt); | |||
9991 | if (!Pair.first && DirName.getName() && !DependentHint) | |||
9992 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addCriticalWithHint(Dir, Hint); | |||
9993 | return Dir; | |||
9994 | } | |||
9995 | ||||
9996 | StmtResult Sema::ActOnOpenMPParallelForDirective( | |||
9997 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
9998 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
9999 | if (!AStmt) | |||
10000 | return StmtError(); | |||
10001 | ||||
10002 | auto *CS = cast<CapturedStmt>(AStmt); | |||
10003 | // 1.2.2 OpenMP Language Terminology | |||
10004 | // Structured block - An executable statement with a single entry at the | |||
10005 | // top and a single exit at the bottom. | |||
10006 | // The point of exit cannot be a branch out of the structured block. | |||
10007 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
10008 | CS->getCapturedDecl()->setNothrow(); | |||
10009 | ||||
10010 | OMPLoopBasedDirective::HelperExprs B; | |||
10011 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
10012 | // define the nested loops number. | |||
10013 | unsigned NestedLoopCount = | |||
10014 | checkOpenMPLoop(OMPD_parallel_for, getCollapseNumberExpr(Clauses), | |||
10015 | getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
10016 | VarsWithImplicitDSA, B); | |||
10017 | if (NestedLoopCount == 0) | |||
10018 | return StmtError(); | |||
10019 | ||||
10020 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | |||
10021 | "omp parallel for loop exprs were not built")((void)0); | |||
10022 | ||||
10023 | if (!CurContext->isDependentContext()) { | |||
10024 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
10025 | for (OMPClause *C : Clauses) { | |||
10026 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
10027 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
10028 | B.NumIterations, *this, CurScope, | |||
10029 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
10030 | return StmtError(); | |||
10031 | } | |||
10032 | } | |||
10033 | ||||
10034 | setFunctionHasBranchProtectedScope(); | |||
10035 | return OMPParallelForDirective::Create( | |||
10036 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | |||
10037 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
10038 | } | |||
10039 | ||||
10040 | StmtResult Sema::ActOnOpenMPParallelForSimdDirective( | |||
10041 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
10042 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
10043 | if (!AStmt) | |||
10044 | return StmtError(); | |||
10045 | ||||
10046 | auto *CS = cast<CapturedStmt>(AStmt); | |||
10047 | // 1.2.2 OpenMP Language Terminology | |||
10048 | // Structured block - An executable statement with a single entry at the | |||
10049 | // top and a single exit at the bottom. | |||
10050 | // The point of exit cannot be a branch out of the structured block. | |||
10051 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
10052 | CS->getCapturedDecl()->setNothrow(); | |||
10053 | ||||
10054 | OMPLoopBasedDirective::HelperExprs B; | |||
10055 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
10056 | // define the nested loops number. | |||
10057 | unsigned NestedLoopCount = | |||
10058 | checkOpenMPLoop(OMPD_parallel_for_simd, getCollapseNumberExpr(Clauses), | |||
10059 | getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
10060 | VarsWithImplicitDSA, B); | |||
10061 | if (NestedLoopCount == 0) | |||
10062 | return StmtError(); | |||
10063 | ||||
10064 | if (!CurContext->isDependentContext()) { | |||
10065 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
10066 | for (OMPClause *C : Clauses) { | |||
10067 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
10068 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
10069 | B.NumIterations, *this, CurScope, | |||
10070 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
10071 | return StmtError(); | |||
10072 | } | |||
10073 | } | |||
10074 | ||||
10075 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
10076 | return StmtError(); | |||
10077 | ||||
10078 | setFunctionHasBranchProtectedScope(); | |||
10079 | return OMPParallelForSimdDirective::Create( | |||
10080 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | |||
10081 | } | |||
10082 | ||||
10083 | StmtResult | |||
10084 | Sema::ActOnOpenMPParallelMasterDirective(ArrayRef<OMPClause *> Clauses, | |||
10085 | Stmt *AStmt, SourceLocation StartLoc, | |||
10086 | SourceLocation EndLoc) { | |||
10087 | if (!AStmt) | |||
10088 | return StmtError(); | |||
10089 | ||||
10090 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | |||
10091 | auto *CS = cast<CapturedStmt>(AStmt); | |||
10092 | // 1.2.2 OpenMP Language Terminology | |||
10093 | // Structured block - An executable statement with a single entry at the | |||
10094 | // top and a single exit at the bottom. | |||
10095 | // The point of exit cannot be a branch out of the structured block. | |||
10096 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
10097 | CS->getCapturedDecl()->setNothrow(); | |||
10098 | ||||
10099 | setFunctionHasBranchProtectedScope(); | |||
10100 | ||||
10101 | return OMPParallelMasterDirective::Create( | |||
10102 | Context, StartLoc, EndLoc, Clauses, AStmt, | |||
10103 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef()); | |||
10104 | } | |||
10105 | ||||
10106 | StmtResult | |||
10107 | Sema::ActOnOpenMPParallelSectionsDirective(ArrayRef<OMPClause *> Clauses, | |||
10108 | Stmt *AStmt, SourceLocation StartLoc, | |||
10109 | SourceLocation EndLoc) { | |||
10110 | if (!AStmt) | |||
10111 | return StmtError(); | |||
10112 | ||||
10113 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | |||
10114 | auto BaseStmt = AStmt; | |||
10115 | while (auto *CS = dyn_cast_or_null<CapturedStmt>(BaseStmt)) | |||
10116 | BaseStmt = CS->getCapturedStmt(); | |||
10117 | if (auto *C = dyn_cast_or_null<CompoundStmt>(BaseStmt)) { | |||
10118 | auto S = C->children(); | |||
10119 | if (S.begin() == S.end()) | |||
10120 | return StmtError(); | |||
10121 | // All associated statements must be '#pragma omp section' except for | |||
10122 | // the first one. | |||
10123 | for (Stmt *SectionStmt : llvm::make_range(std::next(S.begin()), S.end())) { | |||
10124 | if (!SectionStmt || !isa<OMPSectionDirective>(SectionStmt)) { | |||
10125 | if (SectionStmt) | |||
10126 | Diag(SectionStmt->getBeginLoc(), | |||
10127 | diag::err_omp_parallel_sections_substmt_not_section); | |||
10128 | return StmtError(); | |||
10129 | } | |||
10130 | cast<OMPSectionDirective>(SectionStmt) | |||
10131 | ->setHasCancel(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
10132 | } | |||
10133 | } else { | |||
10134 | Diag(AStmt->getBeginLoc(), | |||
10135 | diag::err_omp_parallel_sections_not_compound_stmt); | |||
10136 | return StmtError(); | |||
10137 | } | |||
10138 | ||||
10139 | setFunctionHasBranchProtectedScope(); | |||
10140 | ||||
10141 | return OMPParallelSectionsDirective::Create( | |||
10142 | Context, StartLoc, EndLoc, Clauses, AStmt, | |||
10143 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
10144 | } | |||
10145 | ||||
10146 | /// Find and diagnose mutually exclusive clause kinds. | |||
10147 | static bool checkMutuallyExclusiveClauses( | |||
10148 | Sema &S, ArrayRef<OMPClause *> Clauses, | |||
10149 | ArrayRef<OpenMPClauseKind> MutuallyExclusiveClauses) { | |||
10150 | const OMPClause *PrevClause = nullptr; | |||
10151 | bool ErrorFound = false; | |||
10152 | for (const OMPClause *C : Clauses) { | |||
10153 | if (llvm::is_contained(MutuallyExclusiveClauses, C->getClauseKind())) { | |||
10154 | if (!PrevClause) { | |||
10155 | PrevClause = C; | |||
10156 | } else if (PrevClause->getClauseKind() != C->getClauseKind()) { | |||
10157 | S.Diag(C->getBeginLoc(), diag::err_omp_clauses_mutually_exclusive) | |||
10158 | << getOpenMPClauseName(C->getClauseKind()) | |||
10159 | << getOpenMPClauseName(PrevClause->getClauseKind()); | |||
10160 | S.Diag(PrevClause->getBeginLoc(), diag::note_omp_previous_clause) | |||
10161 | << getOpenMPClauseName(PrevClause->getClauseKind()); | |||
10162 | ErrorFound = true; | |||
10163 | } | |||
10164 | } | |||
10165 | } | |||
10166 | return ErrorFound; | |||
10167 | } | |||
10168 | ||||
10169 | StmtResult Sema::ActOnOpenMPTaskDirective(ArrayRef<OMPClause *> Clauses, | |||
10170 | Stmt *AStmt, SourceLocation StartLoc, | |||
10171 | SourceLocation EndLoc) { | |||
10172 | if (!AStmt) | |||
10173 | return StmtError(); | |||
10174 | ||||
10175 | // OpenMP 5.0, 2.10.1 task Construct | |||
10176 | // If a detach clause appears on the directive, then a mergeable clause cannot | |||
10177 | // appear on the same directive. | |||
10178 | if (checkMutuallyExclusiveClauses(*this, Clauses, | |||
10179 | {OMPC_detach, OMPC_mergeable})) | |||
10180 | return StmtError(); | |||
10181 | ||||
10182 | auto *CS = cast<CapturedStmt>(AStmt); | |||
10183 | // 1.2.2 OpenMP Language Terminology | |||
10184 | // Structured block - An executable statement with a single entry at the | |||
10185 | // top and a single exit at the bottom. | |||
10186 | // The point of exit cannot be a branch out of the structured block. | |||
10187 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
10188 | CS->getCapturedDecl()->setNothrow(); | |||
10189 | ||||
10190 | setFunctionHasBranchProtectedScope(); | |||
10191 | ||||
10192 | return OMPTaskDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | |||
10193 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
10194 | } | |||
10195 | ||||
10196 | StmtResult Sema::ActOnOpenMPTaskyieldDirective(SourceLocation StartLoc, | |||
10197 | SourceLocation EndLoc) { | |||
10198 | return OMPTaskyieldDirective::Create(Context, StartLoc, EndLoc); | |||
10199 | } | |||
10200 | ||||
10201 | StmtResult Sema::ActOnOpenMPBarrierDirective(SourceLocation StartLoc, | |||
10202 | SourceLocation EndLoc) { | |||
10203 | return OMPBarrierDirective::Create(Context, StartLoc, EndLoc); | |||
10204 | } | |||
10205 | ||||
10206 | StmtResult Sema::ActOnOpenMPTaskwaitDirective(SourceLocation StartLoc, | |||
10207 | SourceLocation EndLoc) { | |||
10208 | return OMPTaskwaitDirective::Create(Context, StartLoc, EndLoc); | |||
10209 | } | |||
10210 | ||||
10211 | StmtResult Sema::ActOnOpenMPTaskgroupDirective(ArrayRef<OMPClause *> Clauses, | |||
10212 | Stmt *AStmt, | |||
10213 | SourceLocation StartLoc, | |||
10214 | SourceLocation EndLoc) { | |||
10215 | if (!AStmt) | |||
10216 | return StmtError(); | |||
10217 | ||||
10218 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | |||
10219 | ||||
10220 | setFunctionHasBranchProtectedScope(); | |||
10221 | ||||
10222 | return OMPTaskgroupDirective::Create(Context, StartLoc, EndLoc, Clauses, | |||
10223 | AStmt, | |||
10224 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef()); | |||
10225 | } | |||
10226 | ||||
10227 | StmtResult Sema::ActOnOpenMPFlushDirective(ArrayRef<OMPClause *> Clauses, | |||
10228 | SourceLocation StartLoc, | |||
10229 | SourceLocation EndLoc) { | |||
10230 | OMPFlushClause *FC = nullptr; | |||
10231 | OMPClause *OrderClause = nullptr; | |||
10232 | for (OMPClause *C : Clauses) { | |||
10233 | if (C->getClauseKind() == OMPC_flush) | |||
10234 | FC = cast<OMPFlushClause>(C); | |||
10235 | else | |||
10236 | OrderClause = C; | |||
10237 | } | |||
10238 | OpenMPClauseKind MemOrderKind = OMPC_unknown; | |||
10239 | SourceLocation MemOrderLoc; | |||
10240 | for (const OMPClause *C : Clauses) { | |||
10241 | if (C->getClauseKind() == OMPC_acq_rel || | |||
10242 | C->getClauseKind() == OMPC_acquire || | |||
10243 | C->getClauseKind() == OMPC_release) { | |||
10244 | if (MemOrderKind != OMPC_unknown) { | |||
10245 | Diag(C->getBeginLoc(), diag::err_omp_several_mem_order_clauses) | |||
10246 | << getOpenMPDirectiveName(OMPD_flush) << 1 | |||
10247 | << SourceRange(C->getBeginLoc(), C->getEndLoc()); | |||
10248 | Diag(MemOrderLoc, diag::note_omp_previous_mem_order_clause) | |||
10249 | << getOpenMPClauseName(MemOrderKind); | |||
10250 | } else { | |||
10251 | MemOrderKind = C->getClauseKind(); | |||
10252 | MemOrderLoc = C->getBeginLoc(); | |||
10253 | } | |||
10254 | } | |||
10255 | } | |||
10256 | if (FC && OrderClause) { | |||
10257 | Diag(FC->getLParenLoc(), diag::err_omp_flush_order_clause_and_list) | |||
10258 | << getOpenMPClauseName(OrderClause->getClauseKind()); | |||
10259 | Diag(OrderClause->getBeginLoc(), diag::note_omp_flush_order_clause_here) | |||
10260 | << getOpenMPClauseName(OrderClause->getClauseKind()); | |||
10261 | return StmtError(); | |||
10262 | } | |||
10263 | return OMPFlushDirective::Create(Context, StartLoc, EndLoc, Clauses); | |||
10264 | } | |||
10265 | ||||
10266 | StmtResult Sema::ActOnOpenMPDepobjDirective(ArrayRef<OMPClause *> Clauses, | |||
10267 | SourceLocation StartLoc, | |||
10268 | SourceLocation EndLoc) { | |||
10269 | if (Clauses.empty()) { | |||
10270 | Diag(StartLoc, diag::err_omp_depobj_expected); | |||
10271 | return StmtError(); | |||
10272 | } else if (Clauses[0]->getClauseKind() != OMPC_depobj) { | |||
10273 | Diag(Clauses[0]->getBeginLoc(), diag::err_omp_depobj_expected); | |||
10274 | return StmtError(); | |||
10275 | } | |||
10276 | // Only depobj expression and another single clause is allowed. | |||
10277 | if (Clauses.size() > 2) { | |||
10278 | Diag(Clauses[2]->getBeginLoc(), | |||
10279 | diag::err_omp_depobj_single_clause_expected); | |||
10280 | return StmtError(); | |||
10281 | } else if (Clauses.size() < 1) { | |||
10282 | Diag(Clauses[0]->getEndLoc(), diag::err_omp_depobj_single_clause_expected); | |||
10283 | return StmtError(); | |||
10284 | } | |||
10285 | return OMPDepobjDirective::Create(Context, StartLoc, EndLoc, Clauses); | |||
10286 | } | |||
10287 | ||||
10288 | StmtResult Sema::ActOnOpenMPScanDirective(ArrayRef<OMPClause *> Clauses, | |||
10289 | SourceLocation StartLoc, | |||
10290 | SourceLocation EndLoc) { | |||
10291 | // Check that exactly one clause is specified. | |||
10292 | if (Clauses.size() != 1) { | |||
10293 | Diag(Clauses.empty() ? EndLoc : Clauses[1]->getBeginLoc(), | |||
10294 | diag::err_omp_scan_single_clause_expected); | |||
10295 | return StmtError(); | |||
10296 | } | |||
10297 | // Check that scan directive is used in the scopeof the OpenMP loop body. | |||
10298 | if (Scope *S = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope()) { | |||
10299 | Scope *ParentS = S->getParent(); | |||
10300 | if (!ParentS || ParentS->getParent() != ParentS->getBreakParent() || | |||
10301 | !ParentS->getBreakParent()->isOpenMPLoopScope()) | |||
10302 | return StmtError(Diag(StartLoc, diag::err_omp_orphaned_device_directive) | |||
10303 | << getOpenMPDirectiveName(OMPD_scan) << 5); | |||
10304 | } | |||
10305 | // Check that only one instance of scan directives is used in the same outer | |||
10306 | // region. | |||
10307 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->doesParentHasScanDirective()) { | |||
10308 | Diag(StartLoc, diag::err_omp_several_directives_in_region) << "scan"; | |||
10309 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentScanDirectiveLoc(), | |||
10310 | diag::note_omp_previous_directive) | |||
10311 | << "scan"; | |||
10312 | return StmtError(); | |||
10313 | } | |||
10314 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentHasScanDirective(StartLoc); | |||
10315 | return OMPScanDirective::Create(Context, StartLoc, EndLoc, Clauses); | |||
10316 | } | |||
10317 | ||||
10318 | StmtResult Sema::ActOnOpenMPOrderedDirective(ArrayRef<OMPClause *> Clauses, | |||
10319 | Stmt *AStmt, | |||
10320 | SourceLocation StartLoc, | |||
10321 | SourceLocation EndLoc) { | |||
10322 | const OMPClause *DependFound = nullptr; | |||
10323 | const OMPClause *DependSourceClause = nullptr; | |||
10324 | const OMPClause *DependSinkClause = nullptr; | |||
10325 | bool ErrorFound = false; | |||
10326 | const OMPThreadsClause *TC = nullptr; | |||
10327 | const OMPSIMDClause *SC = nullptr; | |||
10328 | for (const OMPClause *C : Clauses) { | |||
10329 | if (auto *DC = dyn_cast<OMPDependClause>(C)) { | |||
10330 | DependFound = C; | |||
10331 | if (DC->getDependencyKind() == OMPC_DEPEND_source) { | |||
10332 | if (DependSourceClause) { | |||
10333 | Diag(C->getBeginLoc(), diag::err_omp_more_one_clause) | |||
10334 | << getOpenMPDirectiveName(OMPD_ordered) | |||
10335 | << getOpenMPClauseName(OMPC_depend) << 2; | |||
10336 | ErrorFound = true; | |||
10337 | } else { | |||
10338 | DependSourceClause = C; | |||
10339 | } | |||
10340 | if (DependSinkClause) { | |||
10341 | Diag(C->getBeginLoc(), diag::err_omp_depend_sink_source_not_allowed) | |||
10342 | << 0; | |||
10343 | ErrorFound = true; | |||
10344 | } | |||
10345 | } else if (DC->getDependencyKind() == OMPC_DEPEND_sink) { | |||
10346 | if (DependSourceClause) { | |||
10347 | Diag(C->getBeginLoc(), diag::err_omp_depend_sink_source_not_allowed) | |||
10348 | << 1; | |||
10349 | ErrorFound = true; | |||
10350 | } | |||
10351 | DependSinkClause = C; | |||
10352 | } | |||
10353 | } else if (C->getClauseKind() == OMPC_threads) { | |||
10354 | TC = cast<OMPThreadsClause>(C); | |||
10355 | } else if (C->getClauseKind() == OMPC_simd) { | |||
10356 | SC = cast<OMPSIMDClause>(C); | |||
10357 | } | |||
10358 | } | |||
10359 | if (!ErrorFound && !SC && | |||
10360 | isOpenMPSimdDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective())) { | |||
10361 | // OpenMP [2.8.1,simd Construct, Restrictions] | |||
10362 | // An ordered construct with the simd clause is the only OpenMP construct | |||
10363 | // that can appear in the simd region. | |||
10364 | Diag(StartLoc, diag::err_omp_prohibited_region_simd) | |||
10365 | << (LangOpts.OpenMP >= 50 ? 1 : 0); | |||
10366 | ErrorFound = true; | |||
10367 | } else if (DependFound && (TC || SC)) { | |||
10368 | Diag(DependFound->getBeginLoc(), diag::err_omp_depend_clause_thread_simd) | |||
10369 | << getOpenMPClauseName(TC ? TC->getClauseKind() : SC->getClauseKind()); | |||
10370 | ErrorFound = true; | |||
10371 | } else if (DependFound && !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first) { | |||
10372 | Diag(DependFound->getBeginLoc(), | |||
10373 | diag::err_omp_ordered_directive_without_param); | |||
10374 | ErrorFound = true; | |||
10375 | } else if (TC || Clauses.empty()) { | |||
10376 | if (const Expr *Param = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first) { | |||
10377 | SourceLocation ErrLoc = TC ? TC->getBeginLoc() : StartLoc; | |||
10378 | Diag(ErrLoc, diag::err_omp_ordered_directive_with_param) | |||
10379 | << (TC != nullptr); | |||
10380 | Diag(Param->getBeginLoc(), diag::note_omp_ordered_param) << 1; | |||
10381 | ErrorFound = true; | |||
10382 | } | |||
10383 | } | |||
10384 | if ((!AStmt && !DependFound) || ErrorFound) | |||
10385 | return StmtError(); | |||
10386 | ||||
10387 | // OpenMP 5.0, 2.17.9, ordered Construct, Restrictions. | |||
10388 | // During execution of an iteration of a worksharing-loop or a loop nest | |||
10389 | // within a worksharing-loop, simd, or worksharing-loop SIMD region, a thread | |||
10390 | // must not execute more than one ordered region corresponding to an ordered | |||
10391 | // construct without a depend clause. | |||
10392 | if (!DependFound) { | |||
10393 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->doesParentHasOrderedDirective()) { | |||
10394 | Diag(StartLoc, diag::err_omp_several_directives_in_region) << "ordered"; | |||
10395 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedDirectiveLoc(), | |||
10396 | diag::note_omp_previous_directive) | |||
10397 | << "ordered"; | |||
10398 | return StmtError(); | |||
10399 | } | |||
10400 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentHasOrderedDirective(StartLoc); | |||
10401 | } | |||
10402 | ||||
10403 | if (AStmt) { | |||
10404 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | |||
10405 | ||||
10406 | setFunctionHasBranchProtectedScope(); | |||
10407 | } | |||
10408 | ||||
10409 | return OMPOrderedDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); | |||
10410 | } | |||
10411 | ||||
10412 | namespace { | |||
10413 | /// Helper class for checking expression in 'omp atomic [update]' | |||
10414 | /// construct. | |||
10415 | class OpenMPAtomicUpdateChecker { | |||
10416 | /// Error results for atomic update expressions. | |||
10417 | enum ExprAnalysisErrorCode { | |||
10418 | /// A statement is not an expression statement. | |||
10419 | NotAnExpression, | |||
10420 | /// Expression is not builtin binary or unary operation. | |||
10421 | NotABinaryOrUnaryExpression, | |||
10422 | /// Unary operation is not post-/pre- increment/decrement operation. | |||
10423 | NotAnUnaryIncDecExpression, | |||
10424 | /// An expression is not of scalar type. | |||
10425 | NotAScalarType, | |||
10426 | /// A binary operation is not an assignment operation. | |||
10427 | NotAnAssignmentOp, | |||
10428 | /// RHS part of the binary operation is not a binary expression. | |||
10429 | NotABinaryExpression, | |||
10430 | /// RHS part is not additive/multiplicative/shift/biwise binary | |||
10431 | /// expression. | |||
10432 | NotABinaryOperator, | |||
10433 | /// RHS binary operation does not have reference to the updated LHS | |||
10434 | /// part. | |||
10435 | NotAnUpdateExpression, | |||
10436 | /// No errors is found. | |||
10437 | NoError | |||
10438 | }; | |||
10439 | /// Reference to Sema. | |||
10440 | Sema &SemaRef; | |||
10441 | /// A location for note diagnostics (when error is found). | |||
10442 | SourceLocation NoteLoc; | |||
10443 | /// 'x' lvalue part of the source atomic expression. | |||
10444 | Expr *X; | |||
10445 | /// 'expr' rvalue part of the source atomic expression. | |||
10446 | Expr *E; | |||
10447 | /// Helper expression of the form | |||
10448 | /// 'OpaqueValueExpr(x) binop OpaqueValueExpr(expr)' or | |||
10449 | /// 'OpaqueValueExpr(expr) binop OpaqueValueExpr(x)'. | |||
10450 | Expr *UpdateExpr; | |||
10451 | /// Is 'x' a LHS in a RHS part of full update expression. It is | |||
10452 | /// important for non-associative operations. | |||
10453 | bool IsXLHSInRHSPart; | |||
10454 | BinaryOperatorKind Op; | |||
10455 | SourceLocation OpLoc; | |||
10456 | /// true if the source expression is a postfix unary operation, false | |||
10457 | /// if it is a prefix unary operation. | |||
10458 | bool IsPostfixUpdate; | |||
10459 | ||||
10460 | public: | |||
10461 | OpenMPAtomicUpdateChecker(Sema &SemaRef) | |||
10462 | : SemaRef(SemaRef), X(nullptr), E(nullptr), UpdateExpr(nullptr), | |||
10463 | IsXLHSInRHSPart(false), Op(BO_PtrMemD), IsPostfixUpdate(false) {} | |||
10464 | /// Check specified statement that it is suitable for 'atomic update' | |||
10465 | /// constructs and extract 'x', 'expr' and Operation from the original | |||
10466 | /// expression. If DiagId and NoteId == 0, then only check is performed | |||
10467 | /// without error notification. | |||
10468 | /// \param DiagId Diagnostic which should be emitted if error is found. | |||
10469 | /// \param NoteId Diagnostic note for the main error message. | |||
10470 | /// \return true if statement is not an update expression, false otherwise. | |||
10471 | bool checkStatement(Stmt *S, unsigned DiagId = 0, unsigned NoteId = 0); | |||
10472 | /// Return the 'x' lvalue part of the source atomic expression. | |||
10473 | Expr *getX() const { return X; } | |||
10474 | /// Return the 'expr' rvalue part of the source atomic expression. | |||
10475 | Expr *getExpr() const { return E; } | |||
10476 | /// Return the update expression used in calculation of the updated | |||
10477 | /// value. Always has form 'OpaqueValueExpr(x) binop OpaqueValueExpr(expr)' or | |||
10478 | /// 'OpaqueValueExpr(expr) binop OpaqueValueExpr(x)'. | |||
10479 | Expr *getUpdateExpr() const { return UpdateExpr; } | |||
10480 | /// Return true if 'x' is LHS in RHS part of full update expression, | |||
10481 | /// false otherwise. | |||
10482 | bool isXLHSInRHSPart() const { return IsXLHSInRHSPart; } | |||
10483 | ||||
10484 | /// true if the source expression is a postfix unary operation, false | |||
10485 | /// if it is a prefix unary operation. | |||
10486 | bool isPostfixUpdate() const { return IsPostfixUpdate; } | |||
10487 | ||||
10488 | private: | |||
10489 | bool checkBinaryOperation(BinaryOperator *AtomicBinOp, unsigned DiagId = 0, | |||
10490 | unsigned NoteId = 0); | |||
10491 | }; | |||
10492 | } // namespace | |||
10493 | ||||
10494 | bool OpenMPAtomicUpdateChecker::checkBinaryOperation( | |||
10495 | BinaryOperator *AtomicBinOp, unsigned DiagId, unsigned NoteId) { | |||
10496 | ExprAnalysisErrorCode ErrorFound = NoError; | |||
10497 | SourceLocation ErrorLoc, NoteLoc; | |||
10498 | SourceRange ErrorRange, NoteRange; | |||
10499 | // Allowed constructs are: | |||
10500 | // x = x binop expr; | |||
10501 | // x = expr binop x; | |||
10502 | if (AtomicBinOp->getOpcode() == BO_Assign) { | |||
10503 | X = AtomicBinOp->getLHS(); | |||
10504 | if (const auto *AtomicInnerBinOp = dyn_cast<BinaryOperator>( | |||
10505 | AtomicBinOp->getRHS()->IgnoreParenImpCasts())) { | |||
10506 | if (AtomicInnerBinOp->isMultiplicativeOp() || | |||
10507 | AtomicInnerBinOp->isAdditiveOp() || AtomicInnerBinOp->isShiftOp() || | |||
10508 | AtomicInnerBinOp->isBitwiseOp()) { | |||
10509 | Op = AtomicInnerBinOp->getOpcode(); | |||
10510 | OpLoc = AtomicInnerBinOp->getOperatorLoc(); | |||
10511 | Expr *LHS = AtomicInnerBinOp->getLHS(); | |||
10512 | Expr *RHS = AtomicInnerBinOp->getRHS(); | |||
10513 | llvm::FoldingSetNodeID XId, LHSId, RHSId; | |||
10514 | X->IgnoreParenImpCasts()->Profile(XId, SemaRef.getASTContext(), | |||
10515 | /*Canonical=*/true); | |||
10516 | LHS->IgnoreParenImpCasts()->Profile(LHSId, SemaRef.getASTContext(), | |||
10517 | /*Canonical=*/true); | |||
10518 | RHS->IgnoreParenImpCasts()->Profile(RHSId, SemaRef.getASTContext(), | |||
10519 | /*Canonical=*/true); | |||
10520 | if (XId == LHSId) { | |||
10521 | E = RHS; | |||
10522 | IsXLHSInRHSPart = true; | |||
10523 | } else if (XId == RHSId) { | |||
10524 | E = LHS; | |||
10525 | IsXLHSInRHSPart = false; | |||
10526 | } else { | |||
10527 | ErrorLoc = AtomicInnerBinOp->getExprLoc(); | |||
10528 | ErrorRange = AtomicInnerBinOp->getSourceRange(); | |||
10529 | NoteLoc = X->getExprLoc(); | |||
10530 | NoteRange = X->getSourceRange(); | |||
10531 | ErrorFound = NotAnUpdateExpression; | |||
10532 | } | |||
10533 | } else { | |||
10534 | ErrorLoc = AtomicInnerBinOp->getExprLoc(); | |||
10535 | ErrorRange = AtomicInnerBinOp->getSourceRange(); | |||
10536 | NoteLoc = AtomicInnerBinOp->getOperatorLoc(); | |||
10537 | NoteRange = SourceRange(NoteLoc, NoteLoc); | |||
10538 | ErrorFound = NotABinaryOperator; | |||
10539 | } | |||
10540 | } else { | |||
10541 | NoteLoc = ErrorLoc = AtomicBinOp->getRHS()->getExprLoc(); | |||
10542 | NoteRange = ErrorRange = AtomicBinOp->getRHS()->getSourceRange(); | |||
10543 | ErrorFound = NotABinaryExpression; | |||
10544 | } | |||
10545 | } else { | |||
10546 | ErrorLoc = AtomicBinOp->getExprLoc(); | |||
10547 | ErrorRange = AtomicBinOp->getSourceRange(); | |||
10548 | NoteLoc = AtomicBinOp->getOperatorLoc(); | |||
10549 | NoteRange = SourceRange(NoteLoc, NoteLoc); | |||
10550 | ErrorFound = NotAnAssignmentOp; | |||
10551 | } | |||
10552 | if (ErrorFound != NoError && DiagId != 0 && NoteId != 0) { | |||
10553 | SemaRef.Diag(ErrorLoc, DiagId) << ErrorRange; | |||
10554 | SemaRef.Diag(NoteLoc, NoteId) << ErrorFound << NoteRange; | |||
10555 | return true; | |||
10556 | } | |||
10557 | if (SemaRef.CurContext->isDependentContext()) | |||
10558 | E = X = UpdateExpr = nullptr; | |||
10559 | return ErrorFound != NoError; | |||
10560 | } | |||
10561 | ||||
10562 | bool OpenMPAtomicUpdateChecker::checkStatement(Stmt *S, unsigned DiagId, | |||
10563 | unsigned NoteId) { | |||
10564 | ExprAnalysisErrorCode ErrorFound = NoError; | |||
10565 | SourceLocation ErrorLoc, NoteLoc; | |||
10566 | SourceRange ErrorRange, NoteRange; | |||
10567 | // Allowed constructs are: | |||
10568 | // x++; | |||
10569 | // x--; | |||
10570 | // ++x; | |||
10571 | // --x; | |||
10572 | // x binop= expr; | |||
10573 | // x = x binop expr; | |||
10574 | // x = expr binop x; | |||
10575 | if (auto *AtomicBody = dyn_cast<Expr>(S)) { | |||
10576 | AtomicBody = AtomicBody->IgnoreParenImpCasts(); | |||
10577 | if (AtomicBody->getType()->isScalarType() || | |||
10578 | AtomicBody->isInstantiationDependent()) { | |||
10579 | if (const auto *AtomicCompAssignOp = dyn_cast<CompoundAssignOperator>( | |||
10580 | AtomicBody->IgnoreParenImpCasts())) { | |||
10581 | // Check for Compound Assignment Operation | |||
10582 | Op = BinaryOperator::getOpForCompoundAssignment( | |||
10583 | AtomicCompAssignOp->getOpcode()); | |||
10584 | OpLoc = AtomicCompAssignOp->getOperatorLoc(); | |||
10585 | E = AtomicCompAssignOp->getRHS(); | |||
10586 | X = AtomicCompAssignOp->getLHS()->IgnoreParens(); | |||
10587 | IsXLHSInRHSPart = true; | |||
10588 | } else if (auto *AtomicBinOp = dyn_cast<BinaryOperator>( | |||
10589 | AtomicBody->IgnoreParenImpCasts())) { | |||
10590 | // Check for Binary Operation | |||
10591 | if (checkBinaryOperation(AtomicBinOp, DiagId, NoteId)) | |||
10592 | return true; | |||
10593 | } else if (const auto *AtomicUnaryOp = dyn_cast<UnaryOperator>( | |||
10594 | AtomicBody->IgnoreParenImpCasts())) { | |||
10595 | // Check for Unary Operation | |||
10596 | if (AtomicUnaryOp->isIncrementDecrementOp()) { | |||
10597 | IsPostfixUpdate = AtomicUnaryOp->isPostfix(); | |||
10598 | Op = AtomicUnaryOp->isIncrementOp() ? BO_Add : BO_Sub; | |||
10599 | OpLoc = AtomicUnaryOp->getOperatorLoc(); | |||
10600 | X = AtomicUnaryOp->getSubExpr()->IgnoreParens(); | |||
10601 | E = SemaRef.ActOnIntegerConstant(OpLoc, /*uint64_t Val=*/1).get(); | |||
10602 | IsXLHSInRHSPart = true; | |||
10603 | } else { | |||
10604 | ErrorFound = NotAnUnaryIncDecExpression; | |||
10605 | ErrorLoc = AtomicUnaryOp->getExprLoc(); | |||
10606 | ErrorRange = AtomicUnaryOp->getSourceRange(); | |||
10607 | NoteLoc = AtomicUnaryOp->getOperatorLoc(); | |||
10608 | NoteRange = SourceRange(NoteLoc, NoteLoc); | |||
10609 | } | |||
10610 | } else if (!AtomicBody->isInstantiationDependent()) { | |||
10611 | ErrorFound = NotABinaryOrUnaryExpression; | |||
10612 | NoteLoc = ErrorLoc = AtomicBody->getExprLoc(); | |||
10613 | NoteRange = ErrorRange = AtomicBody->getSourceRange(); | |||
10614 | } | |||
10615 | } else { | |||
10616 | ErrorFound = NotAScalarType; | |||
10617 | NoteLoc = ErrorLoc = AtomicBody->getBeginLoc(); | |||
10618 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); | |||
10619 | } | |||
10620 | } else { | |||
10621 | ErrorFound = NotAnExpression; | |||
10622 | NoteLoc = ErrorLoc = S->getBeginLoc(); | |||
10623 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); | |||
10624 | } | |||
10625 | if (ErrorFound != NoError && DiagId != 0 && NoteId != 0) { | |||
10626 | SemaRef.Diag(ErrorLoc, DiagId) << ErrorRange; | |||
10627 | SemaRef.Diag(NoteLoc, NoteId) << ErrorFound << NoteRange; | |||
10628 | return true; | |||
10629 | } | |||
10630 | if (SemaRef.CurContext->isDependentContext()) | |||
10631 | E = X = UpdateExpr = nullptr; | |||
10632 | if (ErrorFound == NoError && E && X) { | |||
10633 | // Build an update expression of form 'OpaqueValueExpr(x) binop | |||
10634 | // OpaqueValueExpr(expr)' or 'OpaqueValueExpr(expr) binop | |||
10635 | // OpaqueValueExpr(x)' and then cast it to the type of the 'x' expression. | |||
10636 | auto *OVEX = new (SemaRef.getASTContext()) | |||
10637 | OpaqueValueExpr(X->getExprLoc(), X->getType(), VK_PRValue); | |||
10638 | auto *OVEExpr = new (SemaRef.getASTContext()) | |||
10639 | OpaqueValueExpr(E->getExprLoc(), E->getType(), VK_PRValue); | |||
10640 | ExprResult Update = | |||
10641 | SemaRef.CreateBuiltinBinOp(OpLoc, Op, IsXLHSInRHSPart ? OVEX : OVEExpr, | |||
10642 | IsXLHSInRHSPart ? OVEExpr : OVEX); | |||
10643 | if (Update.isInvalid()) | |||
10644 | return true; | |||
10645 | Update = SemaRef.PerformImplicitConversion(Update.get(), X->getType(), | |||
10646 | Sema::AA_Casting); | |||
10647 | if (Update.isInvalid()) | |||
10648 | return true; | |||
10649 | UpdateExpr = Update.get(); | |||
10650 | } | |||
10651 | return ErrorFound != NoError; | |||
10652 | } | |||
10653 | ||||
10654 | StmtResult Sema::ActOnOpenMPAtomicDirective(ArrayRef<OMPClause *> Clauses, | |||
10655 | Stmt *AStmt, | |||
10656 | SourceLocation StartLoc, | |||
10657 | SourceLocation EndLoc) { | |||
10658 | // Register location of the first atomic directive. | |||
10659 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addAtomicDirectiveLoc(StartLoc); | |||
10660 | if (!AStmt) | |||
10661 | return StmtError(); | |||
10662 | ||||
10663 | // 1.2.2 OpenMP Language Terminology | |||
10664 | // Structured block - An executable statement with a single entry at the | |||
10665 | // top and a single exit at the bottom. | |||
10666 | // The point of exit cannot be a branch out of the structured block. | |||
10667 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
10668 | OpenMPClauseKind AtomicKind = OMPC_unknown; | |||
10669 | SourceLocation AtomicKindLoc; | |||
10670 | OpenMPClauseKind MemOrderKind = OMPC_unknown; | |||
10671 | SourceLocation MemOrderLoc; | |||
10672 | for (const OMPClause *C : Clauses) { | |||
10673 | if (C->getClauseKind() == OMPC_read || C->getClauseKind() == OMPC_write || | |||
10674 | C->getClauseKind() == OMPC_update || | |||
10675 | C->getClauseKind() == OMPC_capture) { | |||
10676 | if (AtomicKind != OMPC_unknown) { | |||
10677 | Diag(C->getBeginLoc(), diag::err_omp_atomic_several_clauses) | |||
10678 | << SourceRange(C->getBeginLoc(), C->getEndLoc()); | |||
10679 | Diag(AtomicKindLoc, diag::note_omp_previous_mem_order_clause) | |||
10680 | << getOpenMPClauseName(AtomicKind); | |||
10681 | } else { | |||
10682 | AtomicKind = C->getClauseKind(); | |||
10683 | AtomicKindLoc = C->getBeginLoc(); | |||
10684 | } | |||
10685 | } | |||
10686 | if (C->getClauseKind() == OMPC_seq_cst || | |||
10687 | C->getClauseKind() == OMPC_acq_rel || | |||
10688 | C->getClauseKind() == OMPC_acquire || | |||
10689 | C->getClauseKind() == OMPC_release || | |||
10690 | C->getClauseKind() == OMPC_relaxed) { | |||
10691 | if (MemOrderKind != OMPC_unknown) { | |||
10692 | Diag(C->getBeginLoc(), diag::err_omp_several_mem_order_clauses) | |||
10693 | << getOpenMPDirectiveName(OMPD_atomic) << 0 | |||
10694 | << SourceRange(C->getBeginLoc(), C->getEndLoc()); | |||
10695 | Diag(MemOrderLoc, diag::note_omp_previous_mem_order_clause) | |||
10696 | << getOpenMPClauseName(MemOrderKind); | |||
10697 | } else { | |||
10698 | MemOrderKind = C->getClauseKind(); | |||
10699 | MemOrderLoc = C->getBeginLoc(); | |||
10700 | } | |||
10701 | } | |||
10702 | } | |||
10703 | // OpenMP 5.0, 2.17.7 atomic Construct, Restrictions | |||
10704 | // If atomic-clause is read then memory-order-clause must not be acq_rel or | |||
10705 | // release. | |||
10706 | // If atomic-clause is write then memory-order-clause must not be acq_rel or | |||
10707 | // acquire. | |||
10708 | // If atomic-clause is update or not present then memory-order-clause must not | |||
10709 | // be acq_rel or acquire. | |||
10710 | if ((AtomicKind == OMPC_read && | |||
10711 | (MemOrderKind == OMPC_acq_rel || MemOrderKind == OMPC_release)) || | |||
10712 | ((AtomicKind == OMPC_write || AtomicKind == OMPC_update || | |||
10713 | AtomicKind == OMPC_unknown) && | |||
10714 | (MemOrderKind == OMPC_acq_rel || MemOrderKind == OMPC_acquire))) { | |||
10715 | SourceLocation Loc = AtomicKindLoc; | |||
10716 | if (AtomicKind == OMPC_unknown) | |||
10717 | Loc = StartLoc; | |||
10718 | Diag(Loc, diag::err_omp_atomic_incompatible_mem_order_clause) | |||
10719 | << getOpenMPClauseName(AtomicKind) | |||
10720 | << (AtomicKind == OMPC_unknown ? 1 : 0) | |||
10721 | << getOpenMPClauseName(MemOrderKind); | |||
10722 | Diag(MemOrderLoc, diag::note_omp_previous_mem_order_clause) | |||
10723 | << getOpenMPClauseName(MemOrderKind); | |||
10724 | } | |||
10725 | ||||
10726 | Stmt *Body = AStmt; | |||
10727 | if (auto *EWC = dyn_cast<ExprWithCleanups>(Body)) | |||
10728 | Body = EWC->getSubExpr(); | |||
10729 | ||||
10730 | Expr *X = nullptr; | |||
10731 | Expr *V = nullptr; | |||
10732 | Expr *E = nullptr; | |||
10733 | Expr *UE = nullptr; | |||
10734 | bool IsXLHSInRHSPart = false; | |||
10735 | bool IsPostfixUpdate = false; | |||
10736 | // OpenMP [2.12.6, atomic Construct] | |||
10737 | // In the next expressions: | |||
10738 | // * x and v (as applicable) are both l-value expressions with scalar type. | |||
10739 | // * During the execution of an atomic region, multiple syntactic | |||
10740 | // occurrences of x must designate the same storage location. | |||
10741 | // * Neither of v and expr (as applicable) may access the storage location | |||
10742 | // designated by x. | |||
10743 | // * Neither of x and expr (as applicable) may access the storage location | |||
10744 | // designated by v. | |||
10745 | // * expr is an expression with scalar type. | |||
10746 | // * binop is one of +, *, -, /, &, ^, |, <<, or >>. | |||
10747 | // * binop, binop=, ++, and -- are not overloaded operators. | |||
10748 | // * The expression x binop expr must be numerically equivalent to x binop | |||
10749 | // (expr). This requirement is satisfied if the operators in expr have | |||
10750 | // precedence greater than binop, or by using parentheses around expr or | |||
10751 | // subexpressions of expr. | |||
10752 | // * The expression expr binop x must be numerically equivalent to (expr) | |||
10753 | // binop x. This requirement is satisfied if the operators in expr have | |||
10754 | // precedence equal to or greater than binop, or by using parentheses around | |||
10755 | // expr or subexpressions of expr. | |||
10756 | // * For forms that allow multiple occurrences of x, the number of times | |||
10757 | // that x is evaluated is unspecified. | |||
10758 | if (AtomicKind == OMPC_read) { | |||
10759 | enum { | |||
10760 | NotAnExpression, | |||
10761 | NotAnAssignmentOp, | |||
10762 | NotAScalarType, | |||
10763 | NotAnLValue, | |||
10764 | NoError | |||
10765 | } ErrorFound = NoError; | |||
10766 | SourceLocation ErrorLoc, NoteLoc; | |||
10767 | SourceRange ErrorRange, NoteRange; | |||
10768 | // If clause is read: | |||
10769 | // v = x; | |||
10770 | if (const auto *AtomicBody = dyn_cast<Expr>(Body)) { | |||
10771 | const auto *AtomicBinOp = | |||
10772 | dyn_cast<BinaryOperator>(AtomicBody->IgnoreParenImpCasts()); | |||
10773 | if (AtomicBinOp && AtomicBinOp->getOpcode() == BO_Assign) { | |||
10774 | X = AtomicBinOp->getRHS()->IgnoreParenImpCasts(); | |||
10775 | V = AtomicBinOp->getLHS()->IgnoreParenImpCasts(); | |||
10776 | if ((X->isInstantiationDependent() || X->getType()->isScalarType()) && | |||
10777 | (V->isInstantiationDependent() || V->getType()->isScalarType())) { | |||
10778 | if (!X->isLValue() || !V->isLValue()) { | |||
10779 | const Expr *NotLValueExpr = X->isLValue() ? V : X; | |||
10780 | ErrorFound = NotAnLValue; | |||
10781 | ErrorLoc = AtomicBinOp->getExprLoc(); | |||
10782 | ErrorRange = AtomicBinOp->getSourceRange(); | |||
10783 | NoteLoc = NotLValueExpr->getExprLoc(); | |||
10784 | NoteRange = NotLValueExpr->getSourceRange(); | |||
10785 | } | |||
10786 | } else if (!X->isInstantiationDependent() || | |||
10787 | !V->isInstantiationDependent()) { | |||
10788 | const Expr *NotScalarExpr = | |||
10789 | (X->isInstantiationDependent() || X->getType()->isScalarType()) | |||
10790 | ? V | |||
10791 | : X; | |||
10792 | ErrorFound = NotAScalarType; | |||
10793 | ErrorLoc = AtomicBinOp->getExprLoc(); | |||
10794 | ErrorRange = AtomicBinOp->getSourceRange(); | |||
10795 | NoteLoc = NotScalarExpr->getExprLoc(); | |||
10796 | NoteRange = NotScalarExpr->getSourceRange(); | |||
10797 | } | |||
10798 | } else if (!AtomicBody->isInstantiationDependent()) { | |||
10799 | ErrorFound = NotAnAssignmentOp; | |||
10800 | ErrorLoc = AtomicBody->getExprLoc(); | |||
10801 | ErrorRange = AtomicBody->getSourceRange(); | |||
10802 | NoteLoc = AtomicBinOp ? AtomicBinOp->getOperatorLoc() | |||
10803 | : AtomicBody->getExprLoc(); | |||
10804 | NoteRange = AtomicBinOp ? AtomicBinOp->getSourceRange() | |||
10805 | : AtomicBody->getSourceRange(); | |||
10806 | } | |||
10807 | } else { | |||
10808 | ErrorFound = NotAnExpression; | |||
10809 | NoteLoc = ErrorLoc = Body->getBeginLoc(); | |||
10810 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); | |||
10811 | } | |||
10812 | if (ErrorFound != NoError) { | |||
10813 | Diag(ErrorLoc, diag::err_omp_atomic_read_not_expression_statement) | |||
10814 | << ErrorRange; | |||
10815 | Diag(NoteLoc, diag::note_omp_atomic_read_write) << ErrorFound | |||
10816 | << NoteRange; | |||
10817 | return StmtError(); | |||
10818 | } | |||
10819 | if (CurContext->isDependentContext()) | |||
10820 | V = X = nullptr; | |||
10821 | } else if (AtomicKind == OMPC_write) { | |||
10822 | enum { | |||
10823 | NotAnExpression, | |||
10824 | NotAnAssignmentOp, | |||
10825 | NotAScalarType, | |||
10826 | NotAnLValue, | |||
10827 | NoError | |||
10828 | } ErrorFound = NoError; | |||
10829 | SourceLocation ErrorLoc, NoteLoc; | |||
10830 | SourceRange ErrorRange, NoteRange; | |||
10831 | // If clause is write: | |||
10832 | // x = expr; | |||
10833 | if (const auto *AtomicBody = dyn_cast<Expr>(Body)) { | |||
10834 | const auto *AtomicBinOp = | |||
10835 | dyn_cast<BinaryOperator>(AtomicBody->IgnoreParenImpCasts()); | |||
10836 | if (AtomicBinOp && AtomicBinOp->getOpcode() == BO_Assign) { | |||
10837 | X = AtomicBinOp->getLHS(); | |||
10838 | E = AtomicBinOp->getRHS(); | |||
10839 | if ((X->isInstantiationDependent() || X->getType()->isScalarType()) && | |||
10840 | (E->isInstantiationDependent() || E->getType()->isScalarType())) { | |||
10841 | if (!X->isLValue()) { | |||
10842 | ErrorFound = NotAnLValue; | |||
10843 | ErrorLoc = AtomicBinOp->getExprLoc(); | |||
10844 | ErrorRange = AtomicBinOp->getSourceRange(); | |||
10845 | NoteLoc = X->getExprLoc(); | |||
10846 | NoteRange = X->getSourceRange(); | |||
10847 | } | |||
10848 | } else if (!X->isInstantiationDependent() || | |||
10849 | !E->isInstantiationDependent()) { | |||
10850 | const Expr *NotScalarExpr = | |||
10851 | (X->isInstantiationDependent() || X->getType()->isScalarType()) | |||
10852 | ? E | |||
10853 | : X; | |||
10854 | ErrorFound = NotAScalarType; | |||
10855 | ErrorLoc = AtomicBinOp->getExprLoc(); | |||
10856 | ErrorRange = AtomicBinOp->getSourceRange(); | |||
10857 | NoteLoc = NotScalarExpr->getExprLoc(); | |||
10858 | NoteRange = NotScalarExpr->getSourceRange(); | |||
10859 | } | |||
10860 | } else if (!AtomicBody->isInstantiationDependent()) { | |||
10861 | ErrorFound = NotAnAssignmentOp; | |||
10862 | ErrorLoc = AtomicBody->getExprLoc(); | |||
10863 | ErrorRange = AtomicBody->getSourceRange(); | |||
10864 | NoteLoc = AtomicBinOp ? AtomicBinOp->getOperatorLoc() | |||
10865 | : AtomicBody->getExprLoc(); | |||
10866 | NoteRange = AtomicBinOp ? AtomicBinOp->getSourceRange() | |||
10867 | : AtomicBody->getSourceRange(); | |||
10868 | } | |||
10869 | } else { | |||
10870 | ErrorFound = NotAnExpression; | |||
10871 | NoteLoc = ErrorLoc = Body->getBeginLoc(); | |||
10872 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); | |||
10873 | } | |||
10874 | if (ErrorFound != NoError) { | |||
10875 | Diag(ErrorLoc, diag::err_omp_atomic_write_not_expression_statement) | |||
10876 | << ErrorRange; | |||
10877 | Diag(NoteLoc, diag::note_omp_atomic_read_write) << ErrorFound | |||
10878 | << NoteRange; | |||
10879 | return StmtError(); | |||
10880 | } | |||
10881 | if (CurContext->isDependentContext()) | |||
10882 | E = X = nullptr; | |||
10883 | } else if (AtomicKind == OMPC_update || AtomicKind == OMPC_unknown) { | |||
10884 | // If clause is update: | |||
10885 | // x++; | |||
10886 | // x--; | |||
10887 | // ++x; | |||
10888 | // --x; | |||
10889 | // x binop= expr; | |||
10890 | // x = x binop expr; | |||
10891 | // x = expr binop x; | |||
10892 | OpenMPAtomicUpdateChecker Checker(*this); | |||
10893 | if (Checker.checkStatement( | |||
10894 | Body, (AtomicKind == OMPC_update) | |||
10895 | ? diag::err_omp_atomic_update_not_expression_statement | |||
10896 | : diag::err_omp_atomic_not_expression_statement, | |||
10897 | diag::note_omp_atomic_update)) | |||
10898 | return StmtError(); | |||
10899 | if (!CurContext->isDependentContext()) { | |||
10900 | E = Checker.getExpr(); | |||
10901 | X = Checker.getX(); | |||
10902 | UE = Checker.getUpdateExpr(); | |||
10903 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); | |||
10904 | } | |||
10905 | } else if (AtomicKind == OMPC_capture) { | |||
10906 | enum { | |||
10907 | NotAnAssignmentOp, | |||
10908 | NotACompoundStatement, | |||
10909 | NotTwoSubstatements, | |||
10910 | NotASpecificExpression, | |||
10911 | NoError | |||
10912 | } ErrorFound = NoError; | |||
10913 | SourceLocation ErrorLoc, NoteLoc; | |||
10914 | SourceRange ErrorRange, NoteRange; | |||
10915 | if (const auto *AtomicBody = dyn_cast<Expr>(Body)) { | |||
10916 | // If clause is a capture: | |||
10917 | // v = x++; | |||
10918 | // v = x--; | |||
10919 | // v = ++x; | |||
10920 | // v = --x; | |||
10921 | // v = x binop= expr; | |||
10922 | // v = x = x binop expr; | |||
10923 | // v = x = expr binop x; | |||
10924 | const auto *AtomicBinOp = | |||
10925 | dyn_cast<BinaryOperator>(AtomicBody->IgnoreParenImpCasts()); | |||
10926 | if (AtomicBinOp && AtomicBinOp->getOpcode() == BO_Assign) { | |||
10927 | V = AtomicBinOp->getLHS(); | |||
10928 | Body = AtomicBinOp->getRHS()->IgnoreParenImpCasts(); | |||
10929 | OpenMPAtomicUpdateChecker Checker(*this); | |||
10930 | if (Checker.checkStatement( | |||
10931 | Body, diag::err_omp_atomic_capture_not_expression_statement, | |||
10932 | diag::note_omp_atomic_update)) | |||
10933 | return StmtError(); | |||
10934 | E = Checker.getExpr(); | |||
10935 | X = Checker.getX(); | |||
10936 | UE = Checker.getUpdateExpr(); | |||
10937 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); | |||
10938 | IsPostfixUpdate = Checker.isPostfixUpdate(); | |||
10939 | } else if (!AtomicBody->isInstantiationDependent()) { | |||
10940 | ErrorLoc = AtomicBody->getExprLoc(); | |||
10941 | ErrorRange = AtomicBody->getSourceRange(); | |||
10942 | NoteLoc = AtomicBinOp ? AtomicBinOp->getOperatorLoc() | |||
10943 | : AtomicBody->getExprLoc(); | |||
10944 | NoteRange = AtomicBinOp ? AtomicBinOp->getSourceRange() | |||
10945 | : AtomicBody->getSourceRange(); | |||
10946 | ErrorFound = NotAnAssignmentOp; | |||
10947 | } | |||
10948 | if (ErrorFound != NoError) { | |||
10949 | Diag(ErrorLoc, diag::err_omp_atomic_capture_not_expression_statement) | |||
10950 | << ErrorRange; | |||
10951 | Diag(NoteLoc, diag::note_omp_atomic_capture) << ErrorFound << NoteRange; | |||
10952 | return StmtError(); | |||
10953 | } | |||
10954 | if (CurContext->isDependentContext()) | |||
10955 | UE = V = E = X = nullptr; | |||
10956 | } else { | |||
10957 | // If clause is a capture: | |||
10958 | // { v = x; x = expr; } | |||
10959 | // { v = x; x++; } | |||
10960 | // { v = x; x--; } | |||
10961 | // { v = x; ++x; } | |||
10962 | // { v = x; --x; } | |||
10963 | // { v = x; x binop= expr; } | |||
10964 | // { v = x; x = x binop expr; } | |||
10965 | // { v = x; x = expr binop x; } | |||
10966 | // { x++; v = x; } | |||
10967 | // { x--; v = x; } | |||
10968 | // { ++x; v = x; } | |||
10969 | // { --x; v = x; } | |||
10970 | // { x binop= expr; v = x; } | |||
10971 | // { x = x binop expr; v = x; } | |||
10972 | // { x = expr binop x; v = x; } | |||
10973 | if (auto *CS = dyn_cast<CompoundStmt>(Body)) { | |||
10974 | // Check that this is { expr1; expr2; } | |||
10975 | if (CS->size() == 2) { | |||
10976 | Stmt *First = CS->body_front(); | |||
10977 | Stmt *Second = CS->body_back(); | |||
10978 | if (auto *EWC = dyn_cast<ExprWithCleanups>(First)) | |||
10979 | First = EWC->getSubExpr()->IgnoreParenImpCasts(); | |||
10980 | if (auto *EWC = dyn_cast<ExprWithCleanups>(Second)) | |||
10981 | Second = EWC->getSubExpr()->IgnoreParenImpCasts(); | |||
10982 | // Need to find what subexpression is 'v' and what is 'x'. | |||
10983 | OpenMPAtomicUpdateChecker Checker(*this); | |||
10984 | bool IsUpdateExprFound = !Checker.checkStatement(Second); | |||
10985 | BinaryOperator *BinOp = nullptr; | |||
10986 | if (IsUpdateExprFound) { | |||
10987 | BinOp = dyn_cast<BinaryOperator>(First); | |||
10988 | IsUpdateExprFound = BinOp && BinOp->getOpcode() == BO_Assign; | |||
10989 | } | |||
10990 | if (IsUpdateExprFound && !CurContext->isDependentContext()) { | |||
10991 | // { v = x; x++; } | |||
10992 | // { v = x; x--; } | |||
10993 | // { v = x; ++x; } | |||
10994 | // { v = x; --x; } | |||
10995 | // { v = x; x binop= expr; } | |||
10996 | // { v = x; x = x binop expr; } | |||
10997 | // { v = x; x = expr binop x; } | |||
10998 | // Check that the first expression has form v = x. | |||
10999 | Expr *PossibleX = BinOp->getRHS()->IgnoreParenImpCasts(); | |||
11000 | llvm::FoldingSetNodeID XId, PossibleXId; | |||
11001 | Checker.getX()->Profile(XId, Context, /*Canonical=*/true); | |||
11002 | PossibleX->Profile(PossibleXId, Context, /*Canonical=*/true); | |||
11003 | IsUpdateExprFound = XId == PossibleXId; | |||
11004 | if (IsUpdateExprFound) { | |||
11005 | V = BinOp->getLHS(); | |||
11006 | X = Checker.getX(); | |||
11007 | E = Checker.getExpr(); | |||
11008 | UE = Checker.getUpdateExpr(); | |||
11009 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); | |||
11010 | IsPostfixUpdate = true; | |||
11011 | } | |||
11012 | } | |||
11013 | if (!IsUpdateExprFound) { | |||
11014 | IsUpdateExprFound = !Checker.checkStatement(First); | |||
11015 | BinOp = nullptr; | |||
11016 | if (IsUpdateExprFound) { | |||
11017 | BinOp = dyn_cast<BinaryOperator>(Second); | |||
11018 | IsUpdateExprFound = BinOp && BinOp->getOpcode() == BO_Assign; | |||
11019 | } | |||
11020 | if (IsUpdateExprFound && !CurContext->isDependentContext()) { | |||
11021 | // { x++; v = x; } | |||
11022 | // { x--; v = x; } | |||
11023 | // { ++x; v = x; } | |||
11024 | // { --x; v = x; } | |||
11025 | // { x binop= expr; v = x; } | |||
11026 | // { x = x binop expr; v = x; } | |||
11027 | // { x = expr binop x; v = x; } | |||
11028 | // Check that the second expression has form v = x. | |||
11029 | Expr *PossibleX = BinOp->getRHS()->IgnoreParenImpCasts(); | |||
11030 | llvm::FoldingSetNodeID XId, PossibleXId; | |||
11031 | Checker.getX()->Profile(XId, Context, /*Canonical=*/true); | |||
11032 | PossibleX->Profile(PossibleXId, Context, /*Canonical=*/true); | |||
11033 | IsUpdateExprFound = XId == PossibleXId; | |||
11034 | if (IsUpdateExprFound) { | |||
11035 | V = BinOp->getLHS(); | |||
11036 | X = Checker.getX(); | |||
11037 | E = Checker.getExpr(); | |||
11038 | UE = Checker.getUpdateExpr(); | |||
11039 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); | |||
11040 | IsPostfixUpdate = false; | |||
11041 | } | |||
11042 | } | |||
11043 | } | |||
11044 | if (!IsUpdateExprFound) { | |||
11045 | // { v = x; x = expr; } | |||
11046 | auto *FirstExpr = dyn_cast<Expr>(First); | |||
11047 | auto *SecondExpr = dyn_cast<Expr>(Second); | |||
11048 | if (!FirstExpr || !SecondExpr || | |||
11049 | !(FirstExpr->isInstantiationDependent() || | |||
11050 | SecondExpr->isInstantiationDependent())) { | |||
11051 | auto *FirstBinOp = dyn_cast<BinaryOperator>(First); | |||
11052 | if (!FirstBinOp || FirstBinOp->getOpcode() != BO_Assign) { | |||
11053 | ErrorFound = NotAnAssignmentOp; | |||
11054 | NoteLoc = ErrorLoc = FirstBinOp ? FirstBinOp->getOperatorLoc() | |||
11055 | : First->getBeginLoc(); | |||
11056 | NoteRange = ErrorRange = FirstBinOp | |||
11057 | ? FirstBinOp->getSourceRange() | |||
11058 | : SourceRange(ErrorLoc, ErrorLoc); | |||
11059 | } else { | |||
11060 | auto *SecondBinOp = dyn_cast<BinaryOperator>(Second); | |||
11061 | if (!SecondBinOp || SecondBinOp->getOpcode() != BO_Assign) { | |||
11062 | ErrorFound = NotAnAssignmentOp; | |||
11063 | NoteLoc = ErrorLoc = SecondBinOp | |||
11064 | ? SecondBinOp->getOperatorLoc() | |||
11065 | : Second->getBeginLoc(); | |||
11066 | NoteRange = ErrorRange = | |||
11067 | SecondBinOp ? SecondBinOp->getSourceRange() | |||
11068 | : SourceRange(ErrorLoc, ErrorLoc); | |||
11069 | } else { | |||
11070 | Expr *PossibleXRHSInFirst = | |||
11071 | FirstBinOp->getRHS()->IgnoreParenImpCasts(); | |||
11072 | Expr *PossibleXLHSInSecond = | |||
11073 | SecondBinOp->getLHS()->IgnoreParenImpCasts(); | |||
11074 | llvm::FoldingSetNodeID X1Id, X2Id; | |||
11075 | PossibleXRHSInFirst->Profile(X1Id, Context, | |||
11076 | /*Canonical=*/true); | |||
11077 | PossibleXLHSInSecond->Profile(X2Id, Context, | |||
11078 | /*Canonical=*/true); | |||
11079 | IsUpdateExprFound = X1Id == X2Id; | |||
11080 | if (IsUpdateExprFound) { | |||
11081 | V = FirstBinOp->getLHS(); | |||
11082 | X = SecondBinOp->getLHS(); | |||
11083 | E = SecondBinOp->getRHS(); | |||
11084 | UE = nullptr; | |||
11085 | IsXLHSInRHSPart = false; | |||
11086 | IsPostfixUpdate = true; | |||
11087 | } else { | |||
11088 | ErrorFound = NotASpecificExpression; | |||
11089 | ErrorLoc = FirstBinOp->getExprLoc(); | |||
11090 | ErrorRange = FirstBinOp->getSourceRange(); | |||
11091 | NoteLoc = SecondBinOp->getLHS()->getExprLoc(); | |||
11092 | NoteRange = SecondBinOp->getRHS()->getSourceRange(); | |||
11093 | } | |||
11094 | } | |||
11095 | } | |||
11096 | } | |||
11097 | } | |||
11098 | } else { | |||
11099 | NoteLoc = ErrorLoc = Body->getBeginLoc(); | |||
11100 | NoteRange = ErrorRange = | |||
11101 | SourceRange(Body->getBeginLoc(), Body->getBeginLoc()); | |||
11102 | ErrorFound = NotTwoSubstatements; | |||
11103 | } | |||
11104 | } else { | |||
11105 | NoteLoc = ErrorLoc = Body->getBeginLoc(); | |||
11106 | NoteRange = ErrorRange = | |||
11107 | SourceRange(Body->getBeginLoc(), Body->getBeginLoc()); | |||
11108 | ErrorFound = NotACompoundStatement; | |||
11109 | } | |||
11110 | if (ErrorFound != NoError) { | |||
11111 | Diag(ErrorLoc, diag::err_omp_atomic_capture_not_compound_statement) | |||
11112 | << ErrorRange; | |||
11113 | Diag(NoteLoc, diag::note_omp_atomic_capture) << ErrorFound << NoteRange; | |||
11114 | return StmtError(); | |||
11115 | } | |||
11116 | if (CurContext->isDependentContext()) | |||
11117 | UE = V = E = X = nullptr; | |||
11118 | } | |||
11119 | } | |||
11120 | ||||
11121 | setFunctionHasBranchProtectedScope(); | |||
11122 | ||||
11123 | return OMPAtomicDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | |||
11124 | X, V, E, UE, IsXLHSInRHSPart, | |||
11125 | IsPostfixUpdate); | |||
11126 | } | |||
11127 | ||||
11128 | StmtResult Sema::ActOnOpenMPTargetDirective(ArrayRef<OMPClause *> Clauses, | |||
11129 | Stmt *AStmt, | |||
11130 | SourceLocation StartLoc, | |||
11131 | SourceLocation EndLoc) { | |||
11132 | if (!AStmt) | |||
11133 | return StmtError(); | |||
11134 | ||||
11135 | auto *CS = cast<CapturedStmt>(AStmt); | |||
11136 | // 1.2.2 OpenMP Language Terminology | |||
11137 | // Structured block - An executable statement with a single entry at the | |||
11138 | // top and a single exit at the bottom. | |||
11139 | // The point of exit cannot be a branch out of the structured block. | |||
11140 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
11141 | CS->getCapturedDecl()->setNothrow(); | |||
11142 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target); | |||
11143 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
11144 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
11145 | // 1.2.2 OpenMP Language Terminology | |||
11146 | // Structured block - An executable statement with a single entry at the | |||
11147 | // top and a single exit at the bottom. | |||
11148 | // The point of exit cannot be a branch out of the structured block. | |||
11149 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
11150 | CS->getCapturedDecl()->setNothrow(); | |||
11151 | } | |||
11152 | ||||
11153 | // OpenMP [2.16, Nesting of Regions] | |||
11154 | // If specified, a teams construct must be contained within a target | |||
11155 | // construct. That target construct must contain no statements or directives | |||
11156 | // outside of the teams construct. | |||
11157 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasInnerTeamsRegion()) { | |||
11158 | const Stmt *S = CS->IgnoreContainers(/*IgnoreCaptured=*/true); | |||
11159 | bool OMPTeamsFound = true; | |||
11160 | if (const auto *CS = dyn_cast<CompoundStmt>(S)) { | |||
11161 | auto I = CS->body_begin(); | |||
11162 | while (I != CS->body_end()) { | |||
11163 | const auto *OED = dyn_cast<OMPExecutableDirective>(*I); | |||
11164 | if (!OED || !isOpenMPTeamsDirective(OED->getDirectiveKind()) || | |||
11165 | OMPTeamsFound) { | |||
11166 | ||||
11167 | OMPTeamsFound = false; | |||
11168 | break; | |||
11169 | } | |||
11170 | ++I; | |||
11171 | } | |||
11172 | assert(I != CS->body_end() && "Not found statement")((void)0); | |||
11173 | S = *I; | |||
11174 | } else { | |||
11175 | const auto *OED = dyn_cast<OMPExecutableDirective>(S); | |||
11176 | OMPTeamsFound = OED && isOpenMPTeamsDirective(OED->getDirectiveKind()); | |||
11177 | } | |||
11178 | if (!OMPTeamsFound) { | |||
11179 | Diag(StartLoc, diag::err_omp_target_contains_not_only_teams); | |||
11180 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getInnerTeamsRegionLoc(), | |||
11181 | diag::note_omp_nested_teams_construct_here); | |||
11182 | Diag(S->getBeginLoc(), diag::note_omp_nested_statement_here) | |||
11183 | << isa<OMPExecutableDirective>(S); | |||
11184 | return StmtError(); | |||
11185 | } | |||
11186 | } | |||
11187 | ||||
11188 | setFunctionHasBranchProtectedScope(); | |||
11189 | ||||
11190 | return OMPTargetDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); | |||
11191 | } | |||
11192 | ||||
11193 | StmtResult | |||
11194 | Sema::ActOnOpenMPTargetParallelDirective(ArrayRef<OMPClause *> Clauses, | |||
11195 | Stmt *AStmt, SourceLocation StartLoc, | |||
11196 | SourceLocation EndLoc) { | |||
11197 | if (!AStmt) | |||
11198 | return StmtError(); | |||
11199 | ||||
11200 | auto *CS = cast<CapturedStmt>(AStmt); | |||
11201 | // 1.2.2 OpenMP Language Terminology | |||
11202 | // Structured block - An executable statement with a single entry at the | |||
11203 | // top and a single exit at the bottom. | |||
11204 | // The point of exit cannot be a branch out of the structured block. | |||
11205 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
11206 | CS->getCapturedDecl()->setNothrow(); | |||
11207 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel); | |||
11208 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
11209 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
11210 | // 1.2.2 OpenMP Language Terminology | |||
11211 | // Structured block - An executable statement with a single entry at the | |||
11212 | // top and a single exit at the bottom. | |||
11213 | // The point of exit cannot be a branch out of the structured block. | |||
11214 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
11215 | CS->getCapturedDecl()->setNothrow(); | |||
11216 | } | |||
11217 | ||||
11218 | setFunctionHasBranchProtectedScope(); | |||
11219 | ||||
11220 | return OMPTargetParallelDirective::Create( | |||
11221 | Context, StartLoc, EndLoc, Clauses, AStmt, | |||
11222 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
11223 | } | |||
11224 | ||||
11225 | StmtResult Sema::ActOnOpenMPTargetParallelForDirective( | |||
11226 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
11227 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
11228 | if (!AStmt) | |||
11229 | return StmtError(); | |||
11230 | ||||
11231 | auto *CS = cast<CapturedStmt>(AStmt); | |||
11232 | // 1.2.2 OpenMP Language Terminology | |||
11233 | // Structured block - An executable statement with a single entry at the | |||
11234 | // top and a single exit at the bottom. | |||
11235 | // The point of exit cannot be a branch out of the structured block. | |||
11236 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
11237 | CS->getCapturedDecl()->setNothrow(); | |||
11238 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel_for); | |||
11239 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
11240 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
11241 | // 1.2.2 OpenMP Language Terminology | |||
11242 | // Structured block - An executable statement with a single entry at the | |||
11243 | // top and a single exit at the bottom. | |||
11244 | // The point of exit cannot be a branch out of the structured block. | |||
11245 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
11246 | CS->getCapturedDecl()->setNothrow(); | |||
11247 | } | |||
11248 | ||||
11249 | OMPLoopBasedDirective::HelperExprs B; | |||
11250 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
11251 | // define the nested loops number. | |||
11252 | unsigned NestedLoopCount = | |||
11253 | checkOpenMPLoop(OMPD_target_parallel_for, getCollapseNumberExpr(Clauses), | |||
11254 | getOrderedNumberExpr(Clauses), CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
11255 | VarsWithImplicitDSA, B); | |||
11256 | if (NestedLoopCount == 0) | |||
11257 | return StmtError(); | |||
11258 | ||||
11259 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | |||
11260 | "omp target parallel for loop exprs were not built")((void)0); | |||
11261 | ||||
11262 | if (!CurContext->isDependentContext()) { | |||
11263 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
11264 | for (OMPClause *C : Clauses) { | |||
11265 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
11266 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
11267 | B.NumIterations, *this, CurScope, | |||
11268 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
11269 | return StmtError(); | |||
11270 | } | |||
11271 | } | |||
11272 | ||||
11273 | setFunctionHasBranchProtectedScope(); | |||
11274 | return OMPTargetParallelForDirective::Create( | |||
11275 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | |||
11276 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
11277 | } | |||
11278 | ||||
11279 | /// Check for existence of a map clause in the list of clauses. | |||
11280 | static bool hasClauses(ArrayRef<OMPClause *> Clauses, | |||
11281 | const OpenMPClauseKind K) { | |||
11282 | return llvm::any_of( | |||
11283 | Clauses, [K](const OMPClause *C) { return C->getClauseKind() == K; }); | |||
11284 | } | |||
11285 | ||||
11286 | template <typename... Params> | |||
11287 | static bool hasClauses(ArrayRef<OMPClause *> Clauses, const OpenMPClauseKind K, | |||
11288 | const Params... ClauseTypes) { | |||
11289 | return hasClauses(Clauses, K) || hasClauses(Clauses, ClauseTypes...); | |||
11290 | } | |||
11291 | ||||
11292 | StmtResult Sema::ActOnOpenMPTargetDataDirective(ArrayRef<OMPClause *> Clauses, | |||
11293 | Stmt *AStmt, | |||
11294 | SourceLocation StartLoc, | |||
11295 | SourceLocation EndLoc) { | |||
11296 | if (!AStmt) | |||
11297 | return StmtError(); | |||
11298 | ||||
11299 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | |||
11300 | ||||
11301 | // OpenMP [2.12.2, target data Construct, Restrictions] | |||
11302 | // At least one map, use_device_addr or use_device_ptr clause must appear on | |||
11303 | // the directive. | |||
11304 | if (!hasClauses(Clauses, OMPC_map, OMPC_use_device_ptr) && | |||
11305 | (LangOpts.OpenMP < 50 || !hasClauses(Clauses, OMPC_use_device_addr))) { | |||
11306 | StringRef Expected; | |||
11307 | if (LangOpts.OpenMP < 50) | |||
11308 | Expected = "'map' or 'use_device_ptr'"; | |||
11309 | else | |||
11310 | Expected = "'map', 'use_device_ptr', or 'use_device_addr'"; | |||
11311 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) | |||
11312 | << Expected << getOpenMPDirectiveName(OMPD_target_data); | |||
11313 | return StmtError(); | |||
11314 | } | |||
11315 | ||||
11316 | setFunctionHasBranchProtectedScope(); | |||
11317 | ||||
11318 | return OMPTargetDataDirective::Create(Context, StartLoc, EndLoc, Clauses, | |||
11319 | AStmt); | |||
11320 | } | |||
11321 | ||||
11322 | StmtResult | |||
11323 | Sema::ActOnOpenMPTargetEnterDataDirective(ArrayRef<OMPClause *> Clauses, | |||
11324 | SourceLocation StartLoc, | |||
11325 | SourceLocation EndLoc, Stmt *AStmt) { | |||
11326 | if (!AStmt) | |||
11327 | return StmtError(); | |||
11328 | ||||
11329 | auto *CS = cast<CapturedStmt>(AStmt); | |||
11330 | // 1.2.2 OpenMP Language Terminology | |||
11331 | // Structured block - An executable statement with a single entry at the | |||
11332 | // top and a single exit at the bottom. | |||
11333 | // The point of exit cannot be a branch out of the structured block. | |||
11334 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
11335 | CS->getCapturedDecl()->setNothrow(); | |||
11336 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_enter_data); | |||
11337 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
11338 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
11339 | // 1.2.2 OpenMP Language Terminology | |||
11340 | // Structured block - An executable statement with a single entry at the | |||
11341 | // top and a single exit at the bottom. | |||
11342 | // The point of exit cannot be a branch out of the structured block. | |||
11343 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
11344 | CS->getCapturedDecl()->setNothrow(); | |||
11345 | } | |||
11346 | ||||
11347 | // OpenMP [2.10.2, Restrictions, p. 99] | |||
11348 | // At least one map clause must appear on the directive. | |||
11349 | if (!hasClauses(Clauses, OMPC_map)) { | |||
11350 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) | |||
11351 | << "'map'" << getOpenMPDirectiveName(OMPD_target_enter_data); | |||
11352 | return StmtError(); | |||
11353 | } | |||
11354 | ||||
11355 | return OMPTargetEnterDataDirective::Create(Context, StartLoc, EndLoc, Clauses, | |||
11356 | AStmt); | |||
11357 | } | |||
11358 | ||||
11359 | StmtResult | |||
11360 | Sema::ActOnOpenMPTargetExitDataDirective(ArrayRef<OMPClause *> Clauses, | |||
11361 | SourceLocation StartLoc, | |||
11362 | SourceLocation EndLoc, Stmt *AStmt) { | |||
11363 | if (!AStmt) | |||
11364 | return StmtError(); | |||
11365 | ||||
11366 | auto *CS = cast<CapturedStmt>(AStmt); | |||
11367 | // 1.2.2 OpenMP Language Terminology | |||
11368 | // Structured block - An executable statement with a single entry at the | |||
11369 | // top and a single exit at the bottom. | |||
11370 | // The point of exit cannot be a branch out of the structured block. | |||
11371 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
11372 | CS->getCapturedDecl()->setNothrow(); | |||
11373 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_exit_data); | |||
11374 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
11375 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
11376 | // 1.2.2 OpenMP Language Terminology | |||
11377 | // Structured block - An executable statement with a single entry at the | |||
11378 | // top and a single exit at the bottom. | |||
11379 | // The point of exit cannot be a branch out of the structured block. | |||
11380 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
11381 | CS->getCapturedDecl()->setNothrow(); | |||
11382 | } | |||
11383 | ||||
11384 | // OpenMP [2.10.3, Restrictions, p. 102] | |||
11385 | // At least one map clause must appear on the directive. | |||
11386 | if (!hasClauses(Clauses, OMPC_map)) { | |||
11387 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) | |||
11388 | << "'map'" << getOpenMPDirectiveName(OMPD_target_exit_data); | |||
11389 | return StmtError(); | |||
11390 | } | |||
11391 | ||||
11392 | return OMPTargetExitDataDirective::Create(Context, StartLoc, EndLoc, Clauses, | |||
11393 | AStmt); | |||
11394 | } | |||
11395 | ||||
11396 | StmtResult Sema::ActOnOpenMPTargetUpdateDirective(ArrayRef<OMPClause *> Clauses, | |||
11397 | SourceLocation StartLoc, | |||
11398 | SourceLocation EndLoc, | |||
11399 | Stmt *AStmt) { | |||
11400 | if (!AStmt) | |||
11401 | return StmtError(); | |||
11402 | ||||
11403 | auto *CS = cast<CapturedStmt>(AStmt); | |||
11404 | // 1.2.2 OpenMP Language Terminology | |||
11405 | // Structured block - An executable statement with a single entry at the | |||
11406 | // top and a single exit at the bottom. | |||
11407 | // The point of exit cannot be a branch out of the structured block. | |||
11408 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
11409 | CS->getCapturedDecl()->setNothrow(); | |||
11410 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_update); | |||
11411 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
11412 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
11413 | // 1.2.2 OpenMP Language Terminology | |||
11414 | // Structured block - An executable statement with a single entry at the | |||
11415 | // top and a single exit at the bottom. | |||
11416 | // The point of exit cannot be a branch out of the structured block. | |||
11417 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
11418 | CS->getCapturedDecl()->setNothrow(); | |||
11419 | } | |||
11420 | ||||
11421 | if (!hasClauses(Clauses, OMPC_to, OMPC_from)) { | |||
11422 | Diag(StartLoc, diag::err_omp_at_least_one_motion_clause_required); | |||
11423 | return StmtError(); | |||
11424 | } | |||
11425 | return OMPTargetUpdateDirective::Create(Context, StartLoc, EndLoc, Clauses, | |||
11426 | AStmt); | |||
11427 | } | |||
11428 | ||||
11429 | StmtResult Sema::ActOnOpenMPTeamsDirective(ArrayRef<OMPClause *> Clauses, | |||
11430 | Stmt *AStmt, SourceLocation StartLoc, | |||
11431 | SourceLocation EndLoc) { | |||
11432 | if (!AStmt) | |||
11433 | return StmtError(); | |||
11434 | ||||
11435 | auto *CS = cast<CapturedStmt>(AStmt); | |||
11436 | // 1.2.2 OpenMP Language Terminology | |||
11437 | // Structured block - An executable statement with a single entry at the | |||
11438 | // top and a single exit at the bottom. | |||
11439 | // The point of exit cannot be a branch out of the structured block. | |||
11440 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
11441 | CS->getCapturedDecl()->setNothrow(); | |||
11442 | ||||
11443 | setFunctionHasBranchProtectedScope(); | |||
11444 | ||||
11445 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); | |||
11446 | ||||
11447 | return OMPTeamsDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); | |||
11448 | } | |||
11449 | ||||
11450 | StmtResult | |||
11451 | Sema::ActOnOpenMPCancellationPointDirective(SourceLocation StartLoc, | |||
11452 | SourceLocation EndLoc, | |||
11453 | OpenMPDirectiveKind CancelRegion) { | |||
11454 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentNowaitRegion()) { | |||
11455 | Diag(StartLoc, diag::err_omp_parent_cancel_region_nowait) << 0; | |||
11456 | return StmtError(); | |||
11457 | } | |||
11458 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentOrderedRegion()) { | |||
11459 | Diag(StartLoc, diag::err_omp_parent_cancel_region_ordered) << 0; | |||
11460 | return StmtError(); | |||
11461 | } | |||
11462 | return OMPCancellationPointDirective::Create(Context, StartLoc, EndLoc, | |||
11463 | CancelRegion); | |||
11464 | } | |||
11465 | ||||
11466 | StmtResult Sema::ActOnOpenMPCancelDirective(ArrayRef<OMPClause *> Clauses, | |||
11467 | SourceLocation StartLoc, | |||
11468 | SourceLocation EndLoc, | |||
11469 | OpenMPDirectiveKind CancelRegion) { | |||
11470 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentNowaitRegion()) { | |||
11471 | Diag(StartLoc, diag::err_omp_parent_cancel_region_nowait) << 1; | |||
11472 | return StmtError(); | |||
11473 | } | |||
11474 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentOrderedRegion()) { | |||
11475 | Diag(StartLoc, diag::err_omp_parent_cancel_region_ordered) << 1; | |||
11476 | return StmtError(); | |||
11477 | } | |||
11478 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentCancelRegion(/*Cancel=*/true); | |||
11479 | return OMPCancelDirective::Create(Context, StartLoc, EndLoc, Clauses, | |||
11480 | CancelRegion); | |||
11481 | } | |||
11482 | ||||
11483 | static bool checkReductionClauseWithNogroup(Sema &S, | |||
11484 | ArrayRef<OMPClause *> Clauses) { | |||
11485 | const OMPClause *ReductionClause = nullptr; | |||
11486 | const OMPClause *NogroupClause = nullptr; | |||
11487 | for (const OMPClause *C : Clauses) { | |||
11488 | if (C->getClauseKind() == OMPC_reduction) { | |||
11489 | ReductionClause = C; | |||
11490 | if (NogroupClause) | |||
11491 | break; | |||
11492 | continue; | |||
11493 | } | |||
11494 | if (C->getClauseKind() == OMPC_nogroup) { | |||
11495 | NogroupClause = C; | |||
11496 | if (ReductionClause) | |||
11497 | break; | |||
11498 | continue; | |||
11499 | } | |||
11500 | } | |||
11501 | if (ReductionClause && NogroupClause) { | |||
11502 | S.Diag(ReductionClause->getBeginLoc(), diag::err_omp_reduction_with_nogroup) | |||
11503 | << SourceRange(NogroupClause->getBeginLoc(), | |||
11504 | NogroupClause->getEndLoc()); | |||
11505 | return true; | |||
11506 | } | |||
11507 | return false; | |||
11508 | } | |||
11509 | ||||
11510 | StmtResult Sema::ActOnOpenMPTaskLoopDirective( | |||
11511 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
11512 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
11513 | if (!AStmt) | |||
11514 | return StmtError(); | |||
11515 | ||||
11516 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | |||
11517 | OMPLoopBasedDirective::HelperExprs B; | |||
11518 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
11519 | // define the nested loops number. | |||
11520 | unsigned NestedLoopCount = | |||
11521 | checkOpenMPLoop(OMPD_taskloop, getCollapseNumberExpr(Clauses), | |||
11522 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
11523 | VarsWithImplicitDSA, B); | |||
11524 | if (NestedLoopCount == 0) | |||
11525 | return StmtError(); | |||
11526 | ||||
11527 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | |||
11528 | "omp for loop exprs were not built")((void)0); | |||
11529 | ||||
11530 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | |||
11531 | // The grainsize clause and num_tasks clause are mutually exclusive and may | |||
11532 | // not appear on the same taskloop directive. | |||
11533 | if (checkMutuallyExclusiveClauses(*this, Clauses, | |||
11534 | {OMPC_grainsize, OMPC_num_tasks})) | |||
11535 | return StmtError(); | |||
11536 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | |||
11537 | // If a reduction clause is present on the taskloop directive, the nogroup | |||
11538 | // clause must not be specified. | |||
11539 | if (checkReductionClauseWithNogroup(*this, Clauses)) | |||
11540 | return StmtError(); | |||
11541 | ||||
11542 | setFunctionHasBranchProtectedScope(); | |||
11543 | return OMPTaskLoopDirective::Create(Context, StartLoc, EndLoc, | |||
11544 | NestedLoopCount, Clauses, AStmt, B, | |||
11545 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
11546 | } | |||
11547 | ||||
11548 | StmtResult Sema::ActOnOpenMPTaskLoopSimdDirective( | |||
11549 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
11550 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
11551 | if (!AStmt) | |||
11552 | return StmtError(); | |||
11553 | ||||
11554 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | |||
11555 | OMPLoopBasedDirective::HelperExprs B; | |||
11556 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
11557 | // define the nested loops number. | |||
11558 | unsigned NestedLoopCount = | |||
11559 | checkOpenMPLoop(OMPD_taskloop_simd, getCollapseNumberExpr(Clauses), | |||
11560 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
11561 | VarsWithImplicitDSA, B); | |||
11562 | if (NestedLoopCount == 0) | |||
11563 | return StmtError(); | |||
11564 | ||||
11565 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | |||
11566 | "omp for loop exprs were not built")((void)0); | |||
11567 | ||||
11568 | if (!CurContext->isDependentContext()) { | |||
11569 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
11570 | for (OMPClause *C : Clauses) { | |||
11571 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
11572 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
11573 | B.NumIterations, *this, CurScope, | |||
11574 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
11575 | return StmtError(); | |||
11576 | } | |||
11577 | } | |||
11578 | ||||
11579 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | |||
11580 | // The grainsize clause and num_tasks clause are mutually exclusive and may | |||
11581 | // not appear on the same taskloop directive. | |||
11582 | if (checkMutuallyExclusiveClauses(*this, Clauses, | |||
11583 | {OMPC_grainsize, OMPC_num_tasks})) | |||
11584 | return StmtError(); | |||
11585 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | |||
11586 | // If a reduction clause is present on the taskloop directive, the nogroup | |||
11587 | // clause must not be specified. | |||
11588 | if (checkReductionClauseWithNogroup(*this, Clauses)) | |||
11589 | return StmtError(); | |||
11590 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
11591 | return StmtError(); | |||
11592 | ||||
11593 | setFunctionHasBranchProtectedScope(); | |||
11594 | return OMPTaskLoopSimdDirective::Create(Context, StartLoc, EndLoc, | |||
11595 | NestedLoopCount, Clauses, AStmt, B); | |||
11596 | } | |||
11597 | ||||
11598 | StmtResult Sema::ActOnOpenMPMasterTaskLoopDirective( | |||
11599 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
11600 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
11601 | if (!AStmt) | |||
11602 | return StmtError(); | |||
11603 | ||||
11604 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | |||
11605 | OMPLoopBasedDirective::HelperExprs B; | |||
11606 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
11607 | // define the nested loops number. | |||
11608 | unsigned NestedLoopCount = | |||
11609 | checkOpenMPLoop(OMPD_master_taskloop, getCollapseNumberExpr(Clauses), | |||
11610 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
11611 | VarsWithImplicitDSA, B); | |||
11612 | if (NestedLoopCount == 0) | |||
11613 | return StmtError(); | |||
11614 | ||||
11615 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | |||
11616 | "omp for loop exprs were not built")((void)0); | |||
11617 | ||||
11618 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | |||
11619 | // The grainsize clause and num_tasks clause are mutually exclusive and may | |||
11620 | // not appear on the same taskloop directive. | |||
11621 | if (checkMutuallyExclusiveClauses(*this, Clauses, | |||
11622 | {OMPC_grainsize, OMPC_num_tasks})) | |||
11623 | return StmtError(); | |||
11624 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | |||
11625 | // If a reduction clause is present on the taskloop directive, the nogroup | |||
11626 | // clause must not be specified. | |||
11627 | if (checkReductionClauseWithNogroup(*this, Clauses)) | |||
11628 | return StmtError(); | |||
11629 | ||||
11630 | setFunctionHasBranchProtectedScope(); | |||
11631 | return OMPMasterTaskLoopDirective::Create(Context, StartLoc, EndLoc, | |||
11632 | NestedLoopCount, Clauses, AStmt, B, | |||
11633 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
11634 | } | |||
11635 | ||||
11636 | StmtResult Sema::ActOnOpenMPMasterTaskLoopSimdDirective( | |||
11637 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
11638 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
11639 | if (!AStmt) | |||
11640 | return StmtError(); | |||
11641 | ||||
11642 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | |||
11643 | OMPLoopBasedDirective::HelperExprs B; | |||
11644 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
11645 | // define the nested loops number. | |||
11646 | unsigned NestedLoopCount = | |||
11647 | checkOpenMPLoop(OMPD_master_taskloop_simd, getCollapseNumberExpr(Clauses), | |||
11648 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
11649 | VarsWithImplicitDSA, B); | |||
11650 | if (NestedLoopCount == 0) | |||
11651 | return StmtError(); | |||
11652 | ||||
11653 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | |||
11654 | "omp for loop exprs were not built")((void)0); | |||
11655 | ||||
11656 | if (!CurContext->isDependentContext()) { | |||
11657 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
11658 | for (OMPClause *C : Clauses) { | |||
11659 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
11660 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
11661 | B.NumIterations, *this, CurScope, | |||
11662 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
11663 | return StmtError(); | |||
11664 | } | |||
11665 | } | |||
11666 | ||||
11667 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | |||
11668 | // The grainsize clause and num_tasks clause are mutually exclusive and may | |||
11669 | // not appear on the same taskloop directive. | |||
11670 | if (checkMutuallyExclusiveClauses(*this, Clauses, | |||
11671 | {OMPC_grainsize, OMPC_num_tasks})) | |||
11672 | return StmtError(); | |||
11673 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | |||
11674 | // If a reduction clause is present on the taskloop directive, the nogroup | |||
11675 | // clause must not be specified. | |||
11676 | if (checkReductionClauseWithNogroup(*this, Clauses)) | |||
11677 | return StmtError(); | |||
11678 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
11679 | return StmtError(); | |||
11680 | ||||
11681 | setFunctionHasBranchProtectedScope(); | |||
11682 | return OMPMasterTaskLoopSimdDirective::Create( | |||
11683 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | |||
11684 | } | |||
11685 | ||||
11686 | StmtResult Sema::ActOnOpenMPParallelMasterTaskLoopDirective( | |||
11687 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
11688 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
11689 | if (!AStmt) | |||
11690 | return StmtError(); | |||
11691 | ||||
11692 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | |||
11693 | auto *CS = cast<CapturedStmt>(AStmt); | |||
11694 | // 1.2.2 OpenMP Language Terminology | |||
11695 | // Structured block - An executable statement with a single entry at the | |||
11696 | // top and a single exit at the bottom. | |||
11697 | // The point of exit cannot be a branch out of the structured block. | |||
11698 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
11699 | CS->getCapturedDecl()->setNothrow(); | |||
11700 | for (int ThisCaptureLevel = | |||
11701 | getOpenMPCaptureLevels(OMPD_parallel_master_taskloop); | |||
11702 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
11703 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
11704 | // 1.2.2 OpenMP Language Terminology | |||
11705 | // Structured block - An executable statement with a single entry at the | |||
11706 | // top and a single exit at the bottom. | |||
11707 | // The point of exit cannot be a branch out of the structured block. | |||
11708 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
11709 | CS->getCapturedDecl()->setNothrow(); | |||
11710 | } | |||
11711 | ||||
11712 | OMPLoopBasedDirective::HelperExprs B; | |||
11713 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
11714 | // define the nested loops number. | |||
11715 | unsigned NestedLoopCount = checkOpenMPLoop( | |||
11716 | OMPD_parallel_master_taskloop, getCollapseNumberExpr(Clauses), | |||
11717 | /*OrderedLoopCountExpr=*/nullptr, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
11718 | VarsWithImplicitDSA, B); | |||
11719 | if (NestedLoopCount == 0) | |||
11720 | return StmtError(); | |||
11721 | ||||
11722 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | |||
11723 | "omp for loop exprs were not built")((void)0); | |||
11724 | ||||
11725 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | |||
11726 | // The grainsize clause and num_tasks clause are mutually exclusive and may | |||
11727 | // not appear on the same taskloop directive. | |||
11728 | if (checkMutuallyExclusiveClauses(*this, Clauses, | |||
11729 | {OMPC_grainsize, OMPC_num_tasks})) | |||
11730 | return StmtError(); | |||
11731 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | |||
11732 | // If a reduction clause is present on the taskloop directive, the nogroup | |||
11733 | // clause must not be specified. | |||
11734 | if (checkReductionClauseWithNogroup(*this, Clauses)) | |||
11735 | return StmtError(); | |||
11736 | ||||
11737 | setFunctionHasBranchProtectedScope(); | |||
11738 | return OMPParallelMasterTaskLoopDirective::Create( | |||
11739 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | |||
11740 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
11741 | } | |||
11742 | ||||
11743 | StmtResult Sema::ActOnOpenMPParallelMasterTaskLoopSimdDirective( | |||
11744 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
11745 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
11746 | if (!AStmt) | |||
11747 | return StmtError(); | |||
11748 | ||||
11749 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | |||
11750 | auto *CS = cast<CapturedStmt>(AStmt); | |||
11751 | // 1.2.2 OpenMP Language Terminology | |||
11752 | // Structured block - An executable statement with a single entry at the | |||
11753 | // top and a single exit at the bottom. | |||
11754 | // The point of exit cannot be a branch out of the structured block. | |||
11755 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
11756 | CS->getCapturedDecl()->setNothrow(); | |||
11757 | for (int ThisCaptureLevel = | |||
11758 | getOpenMPCaptureLevels(OMPD_parallel_master_taskloop_simd); | |||
11759 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
11760 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
11761 | // 1.2.2 OpenMP Language Terminology | |||
11762 | // Structured block - An executable statement with a single entry at the | |||
11763 | // top and a single exit at the bottom. | |||
11764 | // The point of exit cannot be a branch out of the structured block. | |||
11765 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
11766 | CS->getCapturedDecl()->setNothrow(); | |||
11767 | } | |||
11768 | ||||
11769 | OMPLoopBasedDirective::HelperExprs B; | |||
11770 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
11771 | // define the nested loops number. | |||
11772 | unsigned NestedLoopCount = checkOpenMPLoop( | |||
11773 | OMPD_parallel_master_taskloop_simd, getCollapseNumberExpr(Clauses), | |||
11774 | /*OrderedLoopCountExpr=*/nullptr, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
11775 | VarsWithImplicitDSA, B); | |||
11776 | if (NestedLoopCount == 0) | |||
11777 | return StmtError(); | |||
11778 | ||||
11779 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | |||
11780 | "omp for loop exprs were not built")((void)0); | |||
11781 | ||||
11782 | if (!CurContext->isDependentContext()) { | |||
11783 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
11784 | for (OMPClause *C : Clauses) { | |||
11785 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
11786 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
11787 | B.NumIterations, *this, CurScope, | |||
11788 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
11789 | return StmtError(); | |||
11790 | } | |||
11791 | } | |||
11792 | ||||
11793 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | |||
11794 | // The grainsize clause and num_tasks clause are mutually exclusive and may | |||
11795 | // not appear on the same taskloop directive. | |||
11796 | if (checkMutuallyExclusiveClauses(*this, Clauses, | |||
11797 | {OMPC_grainsize, OMPC_num_tasks})) | |||
11798 | return StmtError(); | |||
11799 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | |||
11800 | // If a reduction clause is present on the taskloop directive, the nogroup | |||
11801 | // clause must not be specified. | |||
11802 | if (checkReductionClauseWithNogroup(*this, Clauses)) | |||
11803 | return StmtError(); | |||
11804 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
11805 | return StmtError(); | |||
11806 | ||||
11807 | setFunctionHasBranchProtectedScope(); | |||
11808 | return OMPParallelMasterTaskLoopSimdDirective::Create( | |||
11809 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | |||
11810 | } | |||
11811 | ||||
11812 | StmtResult Sema::ActOnOpenMPDistributeDirective( | |||
11813 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
11814 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
11815 | if (!AStmt) | |||
11816 | return StmtError(); | |||
11817 | ||||
11818 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | |||
11819 | OMPLoopBasedDirective::HelperExprs B; | |||
11820 | // In presence of clause 'collapse' with number of loops, it will | |||
11821 | // define the nested loops number. | |||
11822 | unsigned NestedLoopCount = | |||
11823 | checkOpenMPLoop(OMPD_distribute, getCollapseNumberExpr(Clauses), | |||
11824 | nullptr /*ordered not a clause on distribute*/, AStmt, | |||
11825 | *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | |||
11826 | if (NestedLoopCount == 0) | |||
11827 | return StmtError(); | |||
11828 | ||||
11829 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | |||
11830 | "omp for loop exprs were not built")((void)0); | |||
11831 | ||||
11832 | setFunctionHasBranchProtectedScope(); | |||
11833 | return OMPDistributeDirective::Create(Context, StartLoc, EndLoc, | |||
11834 | NestedLoopCount, Clauses, AStmt, B); | |||
11835 | } | |||
11836 | ||||
11837 | StmtResult Sema::ActOnOpenMPDistributeParallelForDirective( | |||
11838 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
11839 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
11840 | if (!AStmt) | |||
11841 | return StmtError(); | |||
11842 | ||||
11843 | auto *CS = cast<CapturedStmt>(AStmt); | |||
11844 | // 1.2.2 OpenMP Language Terminology | |||
11845 | // Structured block - An executable statement with a single entry at the | |||
11846 | // top and a single exit at the bottom. | |||
11847 | // The point of exit cannot be a branch out of the structured block. | |||
11848 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
11849 | CS->getCapturedDecl()->setNothrow(); | |||
11850 | for (int ThisCaptureLevel = | |||
11851 | getOpenMPCaptureLevels(OMPD_distribute_parallel_for); | |||
11852 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
11853 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
11854 | // 1.2.2 OpenMP Language Terminology | |||
11855 | // Structured block - An executable statement with a single entry at the | |||
11856 | // top and a single exit at the bottom. | |||
11857 | // The point of exit cannot be a branch out of the structured block. | |||
11858 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
11859 | CS->getCapturedDecl()->setNothrow(); | |||
11860 | } | |||
11861 | ||||
11862 | OMPLoopBasedDirective::HelperExprs B; | |||
11863 | // In presence of clause 'collapse' with number of loops, it will | |||
11864 | // define the nested loops number. | |||
11865 | unsigned NestedLoopCount = checkOpenMPLoop( | |||
11866 | OMPD_distribute_parallel_for, getCollapseNumberExpr(Clauses), | |||
11867 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
11868 | VarsWithImplicitDSA, B); | |||
11869 | if (NestedLoopCount == 0) | |||
11870 | return StmtError(); | |||
11871 | ||||
11872 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | |||
11873 | "omp for loop exprs were not built")((void)0); | |||
11874 | ||||
11875 | setFunctionHasBranchProtectedScope(); | |||
11876 | return OMPDistributeParallelForDirective::Create( | |||
11877 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | |||
11878 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
11879 | } | |||
11880 | ||||
11881 | StmtResult Sema::ActOnOpenMPDistributeParallelForSimdDirective( | |||
11882 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
11883 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
11884 | if (!AStmt) | |||
11885 | return StmtError(); | |||
11886 | ||||
11887 | auto *CS = cast<CapturedStmt>(AStmt); | |||
11888 | // 1.2.2 OpenMP Language Terminology | |||
11889 | // Structured block - An executable statement with a single entry at the | |||
11890 | // top and a single exit at the bottom. | |||
11891 | // The point of exit cannot be a branch out of the structured block. | |||
11892 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
11893 | CS->getCapturedDecl()->setNothrow(); | |||
11894 | for (int ThisCaptureLevel = | |||
11895 | getOpenMPCaptureLevels(OMPD_distribute_parallel_for_simd); | |||
11896 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
11897 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
11898 | // 1.2.2 OpenMP Language Terminology | |||
11899 | // Structured block - An executable statement with a single entry at the | |||
11900 | // top and a single exit at the bottom. | |||
11901 | // The point of exit cannot be a branch out of the structured block. | |||
11902 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
11903 | CS->getCapturedDecl()->setNothrow(); | |||
11904 | } | |||
11905 | ||||
11906 | OMPLoopBasedDirective::HelperExprs B; | |||
11907 | // In presence of clause 'collapse' with number of loops, it will | |||
11908 | // define the nested loops number. | |||
11909 | unsigned NestedLoopCount = checkOpenMPLoop( | |||
11910 | OMPD_distribute_parallel_for_simd, getCollapseNumberExpr(Clauses), | |||
11911 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
11912 | VarsWithImplicitDSA, B); | |||
11913 | if (NestedLoopCount == 0) | |||
11914 | return StmtError(); | |||
11915 | ||||
11916 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | |||
11917 | "omp for loop exprs were not built")((void)0); | |||
11918 | ||||
11919 | if (!CurContext->isDependentContext()) { | |||
11920 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
11921 | for (OMPClause *C : Clauses) { | |||
11922 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
11923 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
11924 | B.NumIterations, *this, CurScope, | |||
11925 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
11926 | return StmtError(); | |||
11927 | } | |||
11928 | } | |||
11929 | ||||
11930 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
11931 | return StmtError(); | |||
11932 | ||||
11933 | setFunctionHasBranchProtectedScope(); | |||
11934 | return OMPDistributeParallelForSimdDirective::Create( | |||
11935 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | |||
11936 | } | |||
11937 | ||||
11938 | StmtResult Sema::ActOnOpenMPDistributeSimdDirective( | |||
11939 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
11940 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
11941 | if (!AStmt) | |||
11942 | return StmtError(); | |||
11943 | ||||
11944 | auto *CS = cast<CapturedStmt>(AStmt); | |||
11945 | // 1.2.2 OpenMP Language Terminology | |||
11946 | // Structured block - An executable statement with a single entry at the | |||
11947 | // top and a single exit at the bottom. | |||
11948 | // The point of exit cannot be a branch out of the structured block. | |||
11949 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
11950 | CS->getCapturedDecl()->setNothrow(); | |||
11951 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_distribute_simd); | |||
11952 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
11953 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
11954 | // 1.2.2 OpenMP Language Terminology | |||
11955 | // Structured block - An executable statement with a single entry at the | |||
11956 | // top and a single exit at the bottom. | |||
11957 | // The point of exit cannot be a branch out of the structured block. | |||
11958 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
11959 | CS->getCapturedDecl()->setNothrow(); | |||
11960 | } | |||
11961 | ||||
11962 | OMPLoopBasedDirective::HelperExprs B; | |||
11963 | // In presence of clause 'collapse' with number of loops, it will | |||
11964 | // define the nested loops number. | |||
11965 | unsigned NestedLoopCount = | |||
11966 | checkOpenMPLoop(OMPD_distribute_simd, getCollapseNumberExpr(Clauses), | |||
11967 | nullptr /*ordered not a clause on distribute*/, CS, *this, | |||
11968 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | |||
11969 | if (NestedLoopCount == 0) | |||
11970 | return StmtError(); | |||
11971 | ||||
11972 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | |||
11973 | "omp for loop exprs were not built")((void)0); | |||
11974 | ||||
11975 | if (!CurContext->isDependentContext()) { | |||
11976 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
11977 | for (OMPClause *C : Clauses) { | |||
11978 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
11979 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
11980 | B.NumIterations, *this, CurScope, | |||
11981 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
11982 | return StmtError(); | |||
11983 | } | |||
11984 | } | |||
11985 | ||||
11986 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
11987 | return StmtError(); | |||
11988 | ||||
11989 | setFunctionHasBranchProtectedScope(); | |||
11990 | return OMPDistributeSimdDirective::Create(Context, StartLoc, EndLoc, | |||
11991 | NestedLoopCount, Clauses, AStmt, B); | |||
11992 | } | |||
11993 | ||||
11994 | StmtResult Sema::ActOnOpenMPTargetParallelForSimdDirective( | |||
11995 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
11996 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
11997 | if (!AStmt) | |||
11998 | return StmtError(); | |||
11999 | ||||
12000 | auto *CS = cast<CapturedStmt>(AStmt); | |||
12001 | // 1.2.2 OpenMP Language Terminology | |||
12002 | // Structured block - An executable statement with a single entry at the | |||
12003 | // top and a single exit at the bottom. | |||
12004 | // The point of exit cannot be a branch out of the structured block. | |||
12005 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
12006 | CS->getCapturedDecl()->setNothrow(); | |||
12007 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel_for); | |||
12008 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
12009 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
12010 | // 1.2.2 OpenMP Language Terminology | |||
12011 | // Structured block - An executable statement with a single entry at the | |||
12012 | // top and a single exit at the bottom. | |||
12013 | // The point of exit cannot be a branch out of the structured block. | |||
12014 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
12015 | CS->getCapturedDecl()->setNothrow(); | |||
12016 | } | |||
12017 | ||||
12018 | OMPLoopBasedDirective::HelperExprs B; | |||
12019 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
12020 | // define the nested loops number. | |||
12021 | unsigned NestedLoopCount = checkOpenMPLoop( | |||
12022 | OMPD_target_parallel_for_simd, getCollapseNumberExpr(Clauses), | |||
12023 | getOrderedNumberExpr(Clauses), CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
12024 | VarsWithImplicitDSA, B); | |||
12025 | if (NestedLoopCount == 0) | |||
12026 | return StmtError(); | |||
12027 | ||||
12028 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | |||
12029 | "omp target parallel for simd loop exprs were not built")((void)0); | |||
12030 | ||||
12031 | if (!CurContext->isDependentContext()) { | |||
12032 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
12033 | for (OMPClause *C : Clauses) { | |||
12034 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
12035 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
12036 | B.NumIterations, *this, CurScope, | |||
12037 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
12038 | return StmtError(); | |||
12039 | } | |||
12040 | } | |||
12041 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
12042 | return StmtError(); | |||
12043 | ||||
12044 | setFunctionHasBranchProtectedScope(); | |||
12045 | return OMPTargetParallelForSimdDirective::Create( | |||
12046 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | |||
12047 | } | |||
12048 | ||||
12049 | StmtResult Sema::ActOnOpenMPTargetSimdDirective( | |||
12050 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
12051 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
12052 | if (!AStmt) | |||
12053 | return StmtError(); | |||
12054 | ||||
12055 | auto *CS = cast<CapturedStmt>(AStmt); | |||
12056 | // 1.2.2 OpenMP Language Terminology | |||
12057 | // Structured block - An executable statement with a single entry at the | |||
12058 | // top and a single exit at the bottom. | |||
12059 | // The point of exit cannot be a branch out of the structured block. | |||
12060 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
12061 | CS->getCapturedDecl()->setNothrow(); | |||
12062 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_simd); | |||
12063 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
12064 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
12065 | // 1.2.2 OpenMP Language Terminology | |||
12066 | // Structured block - An executable statement with a single entry at the | |||
12067 | // top and a single exit at the bottom. | |||
12068 | // The point of exit cannot be a branch out of the structured block. | |||
12069 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
12070 | CS->getCapturedDecl()->setNothrow(); | |||
12071 | } | |||
12072 | ||||
12073 | OMPLoopBasedDirective::HelperExprs B; | |||
12074 | // In presence of clause 'collapse' with number of loops, it will define the | |||
12075 | // nested loops number. | |||
12076 | unsigned NestedLoopCount = | |||
12077 | checkOpenMPLoop(OMPD_target_simd, getCollapseNumberExpr(Clauses), | |||
12078 | getOrderedNumberExpr(Clauses), CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
12079 | VarsWithImplicitDSA, B); | |||
12080 | if (NestedLoopCount == 0) | |||
12081 | return StmtError(); | |||
12082 | ||||
12083 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | |||
12084 | "omp target simd loop exprs were not built")((void)0); | |||
12085 | ||||
12086 | if (!CurContext->isDependentContext()) { | |||
12087 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
12088 | for (OMPClause *C : Clauses) { | |||
12089 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
12090 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
12091 | B.NumIterations, *this, CurScope, | |||
12092 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
12093 | return StmtError(); | |||
12094 | } | |||
12095 | } | |||
12096 | ||||
12097 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
12098 | return StmtError(); | |||
12099 | ||||
12100 | setFunctionHasBranchProtectedScope(); | |||
12101 | return OMPTargetSimdDirective::Create(Context, StartLoc, EndLoc, | |||
12102 | NestedLoopCount, Clauses, AStmt, B); | |||
12103 | } | |||
12104 | ||||
12105 | StmtResult Sema::ActOnOpenMPTeamsDistributeDirective( | |||
12106 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
12107 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
12108 | if (!AStmt) | |||
12109 | return StmtError(); | |||
12110 | ||||
12111 | auto *CS = cast<CapturedStmt>(AStmt); | |||
12112 | // 1.2.2 OpenMP Language Terminology | |||
12113 | // Structured block - An executable statement with a single entry at the | |||
12114 | // top and a single exit at the bottom. | |||
12115 | // The point of exit cannot be a branch out of the structured block. | |||
12116 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
12117 | CS->getCapturedDecl()->setNothrow(); | |||
12118 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_teams_distribute); | |||
12119 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
12120 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
12121 | // 1.2.2 OpenMP Language Terminology | |||
12122 | // Structured block - An executable statement with a single entry at the | |||
12123 | // top and a single exit at the bottom. | |||
12124 | // The point of exit cannot be a branch out of the structured block. | |||
12125 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
12126 | CS->getCapturedDecl()->setNothrow(); | |||
12127 | } | |||
12128 | ||||
12129 | OMPLoopBasedDirective::HelperExprs B; | |||
12130 | // In presence of clause 'collapse' with number of loops, it will | |||
12131 | // define the nested loops number. | |||
12132 | unsigned NestedLoopCount = | |||
12133 | checkOpenMPLoop(OMPD_teams_distribute, getCollapseNumberExpr(Clauses), | |||
12134 | nullptr /*ordered not a clause on distribute*/, CS, *this, | |||
12135 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | |||
12136 | if (NestedLoopCount == 0) | |||
12137 | return StmtError(); | |||
12138 | ||||
12139 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | |||
12140 | "omp teams distribute loop exprs were not built")((void)0); | |||
12141 | ||||
12142 | setFunctionHasBranchProtectedScope(); | |||
12143 | ||||
12144 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); | |||
12145 | ||||
12146 | return OMPTeamsDistributeDirective::Create( | |||
12147 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | |||
12148 | } | |||
12149 | ||||
12150 | StmtResult Sema::ActOnOpenMPTeamsDistributeSimdDirective( | |||
12151 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
12152 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
12153 | if (!AStmt) | |||
12154 | return StmtError(); | |||
12155 | ||||
12156 | auto *CS = cast<CapturedStmt>(AStmt); | |||
12157 | // 1.2.2 OpenMP Language Terminology | |||
12158 | // Structured block - An executable statement with a single entry at the | |||
12159 | // top and a single exit at the bottom. | |||
12160 | // The point of exit cannot be a branch out of the structured block. | |||
12161 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
12162 | CS->getCapturedDecl()->setNothrow(); | |||
12163 | for (int ThisCaptureLevel = | |||
12164 | getOpenMPCaptureLevels(OMPD_teams_distribute_simd); | |||
12165 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
12166 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
12167 | // 1.2.2 OpenMP Language Terminology | |||
12168 | // Structured block - An executable statement with a single entry at the | |||
12169 | // top and a single exit at the bottom. | |||
12170 | // The point of exit cannot be a branch out of the structured block. | |||
12171 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
12172 | CS->getCapturedDecl()->setNothrow(); | |||
12173 | } | |||
12174 | ||||
12175 | OMPLoopBasedDirective::HelperExprs B; | |||
12176 | // In presence of clause 'collapse' with number of loops, it will | |||
12177 | // define the nested loops number. | |||
12178 | unsigned NestedLoopCount = checkOpenMPLoop( | |||
12179 | OMPD_teams_distribute_simd, getCollapseNumberExpr(Clauses), | |||
12180 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
12181 | VarsWithImplicitDSA, B); | |||
12182 | ||||
12183 | if (NestedLoopCount == 0) | |||
12184 | return StmtError(); | |||
12185 | ||||
12186 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | |||
12187 | "omp teams distribute simd loop exprs were not built")((void)0); | |||
12188 | ||||
12189 | if (!CurContext->isDependentContext()) { | |||
12190 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
12191 | for (OMPClause *C : Clauses) { | |||
12192 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
12193 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
12194 | B.NumIterations, *this, CurScope, | |||
12195 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
12196 | return StmtError(); | |||
12197 | } | |||
12198 | } | |||
12199 | ||||
12200 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
12201 | return StmtError(); | |||
12202 | ||||
12203 | setFunctionHasBranchProtectedScope(); | |||
12204 | ||||
12205 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); | |||
12206 | ||||
12207 | return OMPTeamsDistributeSimdDirective::Create( | |||
12208 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | |||
12209 | } | |||
12210 | ||||
12211 | StmtResult Sema::ActOnOpenMPTeamsDistributeParallelForSimdDirective( | |||
12212 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
12213 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
12214 | if (!AStmt) | |||
12215 | return StmtError(); | |||
12216 | ||||
12217 | auto *CS = cast<CapturedStmt>(AStmt); | |||
12218 | // 1.2.2 OpenMP Language Terminology | |||
12219 | // Structured block - An executable statement with a single entry at the | |||
12220 | // top and a single exit at the bottom. | |||
12221 | // The point of exit cannot be a branch out of the structured block. | |||
12222 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
12223 | CS->getCapturedDecl()->setNothrow(); | |||
12224 | ||||
12225 | for (int ThisCaptureLevel = | |||
12226 | getOpenMPCaptureLevels(OMPD_teams_distribute_parallel_for_simd); | |||
12227 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
12228 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
12229 | // 1.2.2 OpenMP Language Terminology | |||
12230 | // Structured block - An executable statement with a single entry at the | |||
12231 | // top and a single exit at the bottom. | |||
12232 | // The point of exit cannot be a branch out of the structured block. | |||
12233 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
12234 | CS->getCapturedDecl()->setNothrow(); | |||
12235 | } | |||
12236 | ||||
12237 | OMPLoopBasedDirective::HelperExprs B; | |||
12238 | // In presence of clause 'collapse' with number of loops, it will | |||
12239 | // define the nested loops number. | |||
12240 | unsigned NestedLoopCount = checkOpenMPLoop( | |||
12241 | OMPD_teams_distribute_parallel_for_simd, getCollapseNumberExpr(Clauses), | |||
12242 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
12243 | VarsWithImplicitDSA, B); | |||
12244 | ||||
12245 | if (NestedLoopCount == 0) | |||
12246 | return StmtError(); | |||
12247 | ||||
12248 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | |||
12249 | "omp for loop exprs were not built")((void)0); | |||
12250 | ||||
12251 | if (!CurContext->isDependentContext()) { | |||
12252 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
12253 | for (OMPClause *C : Clauses) { | |||
12254 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
12255 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
12256 | B.NumIterations, *this, CurScope, | |||
12257 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
12258 | return StmtError(); | |||
12259 | } | |||
12260 | } | |||
12261 | ||||
12262 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
12263 | return StmtError(); | |||
12264 | ||||
12265 | setFunctionHasBranchProtectedScope(); | |||
12266 | ||||
12267 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); | |||
12268 | ||||
12269 | return OMPTeamsDistributeParallelForSimdDirective::Create( | |||
12270 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | |||
12271 | } | |||
12272 | ||||
12273 | StmtResult Sema::ActOnOpenMPTeamsDistributeParallelForDirective( | |||
12274 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
12275 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
12276 | if (!AStmt) | |||
12277 | return StmtError(); | |||
12278 | ||||
12279 | auto *CS = cast<CapturedStmt>(AStmt); | |||
12280 | // 1.2.2 OpenMP Language Terminology | |||
12281 | // Structured block - An executable statement with a single entry at the | |||
12282 | // top and a single exit at the bottom. | |||
12283 | // The point of exit cannot be a branch out of the structured block. | |||
12284 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
12285 | CS->getCapturedDecl()->setNothrow(); | |||
12286 | ||||
12287 | for (int ThisCaptureLevel = | |||
12288 | getOpenMPCaptureLevels(OMPD_teams_distribute_parallel_for); | |||
12289 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
12290 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
12291 | // 1.2.2 OpenMP Language Terminology | |||
12292 | // Structured block - An executable statement with a single entry at the | |||
12293 | // top and a single exit at the bottom. | |||
12294 | // The point of exit cannot be a branch out of the structured block. | |||
12295 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
12296 | CS->getCapturedDecl()->setNothrow(); | |||
12297 | } | |||
12298 | ||||
12299 | OMPLoopBasedDirective::HelperExprs B; | |||
12300 | // In presence of clause 'collapse' with number of loops, it will | |||
12301 | // define the nested loops number. | |||
12302 | unsigned NestedLoopCount = checkOpenMPLoop( | |||
12303 | OMPD_teams_distribute_parallel_for, getCollapseNumberExpr(Clauses), | |||
12304 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
12305 | VarsWithImplicitDSA, B); | |||
12306 | ||||
12307 | if (NestedLoopCount == 0) | |||
12308 | return StmtError(); | |||
12309 | ||||
12310 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | |||
12311 | "omp for loop exprs were not built")((void)0); | |||
12312 | ||||
12313 | setFunctionHasBranchProtectedScope(); | |||
12314 | ||||
12315 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); | |||
12316 | ||||
12317 | return OMPTeamsDistributeParallelForDirective::Create( | |||
12318 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | |||
12319 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
12320 | } | |||
12321 | ||||
12322 | StmtResult Sema::ActOnOpenMPTargetTeamsDirective(ArrayRef<OMPClause *> Clauses, | |||
12323 | Stmt *AStmt, | |||
12324 | SourceLocation StartLoc, | |||
12325 | SourceLocation EndLoc) { | |||
12326 | if (!AStmt) | |||
12327 | return StmtError(); | |||
12328 | ||||
12329 | auto *CS = cast<CapturedStmt>(AStmt); | |||
12330 | // 1.2.2 OpenMP Language Terminology | |||
12331 | // Structured block - An executable statement with a single entry at the | |||
12332 | // top and a single exit at the bottom. | |||
12333 | // The point of exit cannot be a branch out of the structured block. | |||
12334 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
12335 | CS->getCapturedDecl()->setNothrow(); | |||
12336 | ||||
12337 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_teams); | |||
12338 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
12339 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
12340 | // 1.2.2 OpenMP Language Terminology | |||
12341 | // Structured block - An executable statement with a single entry at the | |||
12342 | // top and a single exit at the bottom. | |||
12343 | // The point of exit cannot be a branch out of the structured block. | |||
12344 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
12345 | CS->getCapturedDecl()->setNothrow(); | |||
12346 | } | |||
12347 | setFunctionHasBranchProtectedScope(); | |||
12348 | ||||
12349 | return OMPTargetTeamsDirective::Create(Context, StartLoc, EndLoc, Clauses, | |||
12350 | AStmt); | |||
12351 | } | |||
12352 | ||||
12353 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeDirective( | |||
12354 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
12355 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
12356 | if (!AStmt) | |||
12357 | return StmtError(); | |||
12358 | ||||
12359 | auto *CS = cast<CapturedStmt>(AStmt); | |||
12360 | // 1.2.2 OpenMP Language Terminology | |||
12361 | // Structured block - An executable statement with a single entry at the | |||
12362 | // top and a single exit at the bottom. | |||
12363 | // The point of exit cannot be a branch out of the structured block. | |||
12364 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
12365 | CS->getCapturedDecl()->setNothrow(); | |||
12366 | for (int ThisCaptureLevel = | |||
12367 | getOpenMPCaptureLevels(OMPD_target_teams_distribute); | |||
12368 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
12369 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
12370 | // 1.2.2 OpenMP Language Terminology | |||
12371 | // Structured block - An executable statement with a single entry at the | |||
12372 | // top and a single exit at the bottom. | |||
12373 | // The point of exit cannot be a branch out of the structured block. | |||
12374 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
12375 | CS->getCapturedDecl()->setNothrow(); | |||
12376 | } | |||
12377 | ||||
12378 | OMPLoopBasedDirective::HelperExprs B; | |||
12379 | // In presence of clause 'collapse' with number of loops, it will | |||
12380 | // define the nested loops number. | |||
12381 | unsigned NestedLoopCount = checkOpenMPLoop( | |||
12382 | OMPD_target_teams_distribute, getCollapseNumberExpr(Clauses), | |||
12383 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
12384 | VarsWithImplicitDSA, B); | |||
12385 | if (NestedLoopCount == 0) | |||
12386 | return StmtError(); | |||
12387 | ||||
12388 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | |||
12389 | "omp target teams distribute loop exprs were not built")((void)0); | |||
12390 | ||||
12391 | setFunctionHasBranchProtectedScope(); | |||
12392 | return OMPTargetTeamsDistributeDirective::Create( | |||
12393 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | |||
12394 | } | |||
12395 | ||||
12396 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeParallelForDirective( | |||
12397 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
12398 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
12399 | if (!AStmt) | |||
12400 | return StmtError(); | |||
12401 | ||||
12402 | auto *CS = cast<CapturedStmt>(AStmt); | |||
12403 | // 1.2.2 OpenMP Language Terminology | |||
12404 | // Structured block - An executable statement with a single entry at the | |||
12405 | // top and a single exit at the bottom. | |||
12406 | // The point of exit cannot be a branch out of the structured block. | |||
12407 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
12408 | CS->getCapturedDecl()->setNothrow(); | |||
12409 | for (int ThisCaptureLevel = | |||
12410 | getOpenMPCaptureLevels(OMPD_target_teams_distribute_parallel_for); | |||
12411 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
12412 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
12413 | // 1.2.2 OpenMP Language Terminology | |||
12414 | // Structured block - An executable statement with a single entry at the | |||
12415 | // top and a single exit at the bottom. | |||
12416 | // The point of exit cannot be a branch out of the structured block. | |||
12417 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
12418 | CS->getCapturedDecl()->setNothrow(); | |||
12419 | } | |||
12420 | ||||
12421 | OMPLoopBasedDirective::HelperExprs B; | |||
12422 | // In presence of clause 'collapse' with number of loops, it will | |||
12423 | // define the nested loops number. | |||
12424 | unsigned NestedLoopCount = checkOpenMPLoop( | |||
12425 | OMPD_target_teams_distribute_parallel_for, getCollapseNumberExpr(Clauses), | |||
12426 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
12427 | VarsWithImplicitDSA, B); | |||
12428 | if (NestedLoopCount == 0) | |||
12429 | return StmtError(); | |||
12430 | ||||
12431 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | |||
12432 | "omp target teams distribute parallel for loop exprs were not built")((void)0); | |||
12433 | ||||
12434 | if (!CurContext->isDependentContext()) { | |||
12435 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
12436 | for (OMPClause *C : Clauses) { | |||
12437 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
12438 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
12439 | B.NumIterations, *this, CurScope, | |||
12440 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
12441 | return StmtError(); | |||
12442 | } | |||
12443 | } | |||
12444 | ||||
12445 | setFunctionHasBranchProtectedScope(); | |||
12446 | return OMPTargetTeamsDistributeParallelForDirective::Create( | |||
12447 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | |||
12448 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
12449 | } | |||
12450 | ||||
12451 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeParallelForSimdDirective( | |||
12452 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
12453 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
12454 | if (!AStmt) | |||
12455 | return StmtError(); | |||
12456 | ||||
12457 | auto *CS = cast<CapturedStmt>(AStmt); | |||
12458 | // 1.2.2 OpenMP Language Terminology | |||
12459 | // Structured block - An executable statement with a single entry at the | |||
12460 | // top and a single exit at the bottom. | |||
12461 | // The point of exit cannot be a branch out of the structured block. | |||
12462 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
12463 | CS->getCapturedDecl()->setNothrow(); | |||
12464 | for (int ThisCaptureLevel = getOpenMPCaptureLevels( | |||
12465 | OMPD_target_teams_distribute_parallel_for_simd); | |||
12466 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
12467 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
12468 | // 1.2.2 OpenMP Language Terminology | |||
12469 | // Structured block - An executable statement with a single entry at the | |||
12470 | // top and a single exit at the bottom. | |||
12471 | // The point of exit cannot be a branch out of the structured block. | |||
12472 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
12473 | CS->getCapturedDecl()->setNothrow(); | |||
12474 | } | |||
12475 | ||||
12476 | OMPLoopBasedDirective::HelperExprs B; | |||
12477 | // In presence of clause 'collapse' with number of loops, it will | |||
12478 | // define the nested loops number. | |||
12479 | unsigned NestedLoopCount = | |||
12480 | checkOpenMPLoop(OMPD_target_teams_distribute_parallel_for_simd, | |||
12481 | getCollapseNumberExpr(Clauses), | |||
12482 | nullptr /*ordered not a clause on distribute*/, CS, *this, | |||
12483 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | |||
12484 | if (NestedLoopCount == 0) | |||
12485 | return StmtError(); | |||
12486 | ||||
12487 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | |||
12488 | "omp target teams distribute parallel for simd loop exprs were not "((void)0) | |||
12489 | "built")((void)0); | |||
12490 | ||||
12491 | if (!CurContext->isDependentContext()) { | |||
12492 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
12493 | for (OMPClause *C : Clauses) { | |||
12494 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
12495 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
12496 | B.NumIterations, *this, CurScope, | |||
12497 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
12498 | return StmtError(); | |||
12499 | } | |||
12500 | } | |||
12501 | ||||
12502 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
12503 | return StmtError(); | |||
12504 | ||||
12505 | setFunctionHasBranchProtectedScope(); | |||
12506 | return OMPTargetTeamsDistributeParallelForSimdDirective::Create( | |||
12507 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | |||
12508 | } | |||
12509 | ||||
12510 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeSimdDirective( | |||
12511 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
12512 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | |||
12513 | if (!AStmt) | |||
12514 | return StmtError(); | |||
12515 | ||||
12516 | auto *CS = cast<CapturedStmt>(AStmt); | |||
12517 | // 1.2.2 OpenMP Language Terminology | |||
12518 | // Structured block - An executable statement with a single entry at the | |||
12519 | // top and a single exit at the bottom. | |||
12520 | // The point of exit cannot be a branch out of the structured block. | |||
12521 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
12522 | CS->getCapturedDecl()->setNothrow(); | |||
12523 | for (int ThisCaptureLevel = | |||
12524 | getOpenMPCaptureLevels(OMPD_target_teams_distribute_simd); | |||
12525 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
12526 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
12527 | // 1.2.2 OpenMP Language Terminology | |||
12528 | // Structured block - An executable statement with a single entry at the | |||
12529 | // top and a single exit at the bottom. | |||
12530 | // The point of exit cannot be a branch out of the structured block. | |||
12531 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
12532 | CS->getCapturedDecl()->setNothrow(); | |||
12533 | } | |||
12534 | ||||
12535 | OMPLoopBasedDirective::HelperExprs B; | |||
12536 | // In presence of clause 'collapse' with number of loops, it will | |||
12537 | // define the nested loops number. | |||
12538 | unsigned NestedLoopCount = checkOpenMPLoop( | |||
12539 | OMPD_target_teams_distribute_simd, getCollapseNumberExpr(Clauses), | |||
12540 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
12541 | VarsWithImplicitDSA, B); | |||
12542 | if (NestedLoopCount == 0) | |||
12543 | return StmtError(); | |||
12544 | ||||
12545 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | |||
12546 | "omp target teams distribute simd loop exprs were not built")((void)0); | |||
12547 | ||||
12548 | if (!CurContext->isDependentContext()) { | |||
12549 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
12550 | for (OMPClause *C : Clauses) { | |||
12551 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
12552 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
12553 | B.NumIterations, *this, CurScope, | |||
12554 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
12555 | return StmtError(); | |||
12556 | } | |||
12557 | } | |||
12558 | ||||
12559 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
12560 | return StmtError(); | |||
12561 | ||||
12562 | setFunctionHasBranchProtectedScope(); | |||
12563 | return OMPTargetTeamsDistributeSimdDirective::Create( | |||
12564 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | |||
12565 | } | |||
12566 | ||||
12567 | bool Sema::checkTransformableLoopNest( | |||
12568 | OpenMPDirectiveKind Kind, Stmt *AStmt, int NumLoops, | |||
12569 | SmallVectorImpl<OMPLoopBasedDirective::HelperExprs> &LoopHelpers, | |||
12570 | Stmt *&Body, | |||
12571 | SmallVectorImpl<SmallVector<llvm::PointerUnion<Stmt *, Decl *>, 0>> | |||
12572 | &OriginalInits) { | |||
12573 | OriginalInits.emplace_back(); | |||
12574 | bool Result = OMPLoopBasedDirective::doForAllLoops( | |||
12575 | AStmt->IgnoreContainers(), /*TryImperfectlyNestedLoops=*/false, NumLoops, | |||
12576 | [this, &LoopHelpers, &Body, &OriginalInits, Kind](unsigned Cnt, | |||
12577 | Stmt *CurStmt) { | |||
12578 | VarsWithInheritedDSAType TmpDSA; | |||
12579 | unsigned SingleNumLoops = | |||
12580 | checkOpenMPLoop(Kind, nullptr, nullptr, CurStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
12581 | TmpDSA, LoopHelpers[Cnt]); | |||
12582 | if (SingleNumLoops == 0) | |||
12583 | return true; | |||
12584 | assert(SingleNumLoops == 1 && "Expect single loop iteration space")((void)0); | |||
12585 | if (auto *For = dyn_cast<ForStmt>(CurStmt)) { | |||
12586 | OriginalInits.back().push_back(For->getInit()); | |||
12587 | Body = For->getBody(); | |||
12588 | } else { | |||
12589 | assert(isa<CXXForRangeStmt>(CurStmt) &&((void)0) | |||
12590 | "Expected canonical for or range-based for loops.")((void)0); | |||
12591 | auto *CXXFor = cast<CXXForRangeStmt>(CurStmt); | |||
12592 | OriginalInits.back().push_back(CXXFor->getBeginStmt()); | |||
12593 | Body = CXXFor->getBody(); | |||
12594 | } | |||
12595 | OriginalInits.emplace_back(); | |||
12596 | return false; | |||
12597 | }, | |||
12598 | [&OriginalInits](OMPLoopBasedDirective *Transform) { | |||
12599 | Stmt *DependentPreInits; | |||
12600 | if (auto *Dir = dyn_cast<OMPTileDirective>(Transform)) | |||
12601 | DependentPreInits = Dir->getPreInits(); | |||
12602 | else if (auto *Dir = dyn_cast<OMPUnrollDirective>(Transform)) | |||
12603 | DependentPreInits = Dir->getPreInits(); | |||
12604 | else | |||
12605 | llvm_unreachable("Unhandled loop transformation")__builtin_unreachable(); | |||
12606 | if (!DependentPreInits) | |||
12607 | return; | |||
12608 | for (Decl *C : cast<DeclStmt>(DependentPreInits)->getDeclGroup()) | |||
12609 | OriginalInits.back().push_back(C); | |||
12610 | }); | |||
12611 | assert(OriginalInits.back().empty() && "No preinit after innermost loop")((void)0); | |||
12612 | OriginalInits.pop_back(); | |||
12613 | return Result; | |||
12614 | } | |||
12615 | ||||
12616 | StmtResult Sema::ActOnOpenMPTileDirective(ArrayRef<OMPClause *> Clauses, | |||
12617 | Stmt *AStmt, SourceLocation StartLoc, | |||
12618 | SourceLocation EndLoc) { | |||
12619 | auto SizesClauses = | |||
12620 | OMPExecutableDirective::getClausesOfKind<OMPSizesClause>(Clauses); | |||
12621 | if (SizesClauses.empty()) { | |||
12622 | // A missing 'sizes' clause is already reported by the parser. | |||
12623 | return StmtError(); | |||
12624 | } | |||
12625 | const OMPSizesClause *SizesClause = *SizesClauses.begin(); | |||
12626 | unsigned NumLoops = SizesClause->getNumSizes(); | |||
12627 | ||||
12628 | // Empty statement should only be possible if there already was an error. | |||
12629 | if (!AStmt) | |||
12630 | return StmtError(); | |||
12631 | ||||
12632 | // Verify and diagnose loop nest. | |||
12633 | SmallVector<OMPLoopBasedDirective::HelperExprs, 4> LoopHelpers(NumLoops); | |||
12634 | Stmt *Body = nullptr; | |||
12635 | SmallVector<SmallVector<llvm::PointerUnion<Stmt *, Decl *>, 0>, 4> | |||
12636 | OriginalInits; | |||
12637 | if (!checkTransformableLoopNest(OMPD_tile, AStmt, NumLoops, LoopHelpers, Body, | |||
12638 | OriginalInits)) | |||
12639 | return StmtError(); | |||
12640 | ||||
12641 | // Delay tiling to when template is completely instantiated. | |||
12642 | if (CurContext->isDependentContext()) | |||
12643 | return OMPTileDirective::Create(Context, StartLoc, EndLoc, Clauses, | |||
12644 | NumLoops, AStmt, nullptr, nullptr); | |||
12645 | ||||
12646 | SmallVector<Decl *, 4> PreInits; | |||
12647 | ||||
12648 | // Create iteration variables for the generated loops. | |||
12649 | SmallVector<VarDecl *, 4> FloorIndVars; | |||
12650 | SmallVector<VarDecl *, 4> TileIndVars; | |||
12651 | FloorIndVars.resize(NumLoops); | |||
12652 | TileIndVars.resize(NumLoops); | |||
12653 | for (unsigned I = 0; I < NumLoops; ++I) { | |||
12654 | OMPLoopBasedDirective::HelperExprs &LoopHelper = LoopHelpers[I]; | |||
12655 | ||||
12656 | assert(LoopHelper.Counters.size() == 1 &&((void)0) | |||
12657 | "Expect single-dimensional loop iteration space")((void)0); | |||
12658 | auto *OrigCntVar = cast<DeclRefExpr>(LoopHelper.Counters.front()); | |||
12659 | std::string OrigVarName = OrigCntVar->getNameInfo().getAsString(); | |||
12660 | DeclRefExpr *IterVarRef = cast<DeclRefExpr>(LoopHelper.IterationVarRef); | |||
12661 | QualType CntTy = IterVarRef->getType(); | |||
12662 | ||||
12663 | // Iteration variable for the floor (i.e. outer) loop. | |||
12664 | { | |||
12665 | std::string FloorCntName = | |||
12666 | (Twine(".floor_") + llvm::utostr(I) + ".iv." + OrigVarName).str(); | |||
12667 | VarDecl *FloorCntDecl = | |||
12668 | buildVarDecl(*this, {}, CntTy, FloorCntName, nullptr, OrigCntVar); | |||
12669 | FloorIndVars[I] = FloorCntDecl; | |||
12670 | } | |||
12671 | ||||
12672 | // Iteration variable for the tile (i.e. inner) loop. | |||
12673 | { | |||
12674 | std::string TileCntName = | |||
12675 | (Twine(".tile_") + llvm::utostr(I) + ".iv." + OrigVarName).str(); | |||
12676 | ||||
12677 | // Reuse the iteration variable created by checkOpenMPLoop. It is also | |||
12678 | // used by the expressions to derive the original iteration variable's | |||
12679 | // value from the logical iteration number. | |||
12680 | auto *TileCntDecl = cast<VarDecl>(IterVarRef->getDecl()); | |||
12681 | TileCntDecl->setDeclName(&PP.getIdentifierTable().get(TileCntName)); | |||
12682 | TileIndVars[I] = TileCntDecl; | |||
12683 | } | |||
12684 | for (auto &P : OriginalInits[I]) { | |||
12685 | if (auto *D = P.dyn_cast<Decl *>()) | |||
12686 | PreInits.push_back(D); | |||
12687 | else if (auto *PI = dyn_cast_or_null<DeclStmt>(P.dyn_cast<Stmt *>())) | |||
12688 | PreInits.append(PI->decl_begin(), PI->decl_end()); | |||
12689 | } | |||
12690 | if (auto *PI = cast_or_null<DeclStmt>(LoopHelper.PreInits)) | |||
12691 | PreInits.append(PI->decl_begin(), PI->decl_end()); | |||
12692 | // Gather declarations for the data members used as counters. | |||
12693 | for (Expr *CounterRef : LoopHelper.Counters) { | |||
12694 | auto *CounterDecl = cast<DeclRefExpr>(CounterRef)->getDecl(); | |||
12695 | if (isa<OMPCapturedExprDecl>(CounterDecl)) | |||
12696 | PreInits.push_back(CounterDecl); | |||
12697 | } | |||
12698 | } | |||
12699 | ||||
12700 | // Once the original iteration values are set, append the innermost body. | |||
12701 | Stmt *Inner = Body; | |||
12702 | ||||
12703 | // Create tile loops from the inside to the outside. | |||
12704 | for (int I = NumLoops - 1; I >= 0; --I) { | |||
12705 | OMPLoopBasedDirective::HelperExprs &LoopHelper = LoopHelpers[I]; | |||
12706 | Expr *NumIterations = LoopHelper.NumIterations; | |||
12707 | auto *OrigCntVar = cast<DeclRefExpr>(LoopHelper.Counters[0]); | |||
12708 | QualType CntTy = OrigCntVar->getType(); | |||
12709 | Expr *DimTileSize = SizesClause->getSizesRefs()[I]; | |||
12710 | Scope *CurScope = getCurScope(); | |||
12711 | ||||
12712 | // Commonly used variables. | |||
12713 | DeclRefExpr *TileIV = buildDeclRefExpr(*this, TileIndVars[I], CntTy, | |||
12714 | OrigCntVar->getExprLoc()); | |||
12715 | DeclRefExpr *FloorIV = buildDeclRefExpr(*this, FloorIndVars[I], CntTy, | |||
12716 | OrigCntVar->getExprLoc()); | |||
12717 | ||||
12718 | // For init-statement: auto .tile.iv = .floor.iv | |||
12719 | AddInitializerToDecl(TileIndVars[I], DefaultLvalueConversion(FloorIV).get(), | |||
12720 | /*DirectInit=*/false); | |||
12721 | Decl *CounterDecl = TileIndVars[I]; | |||
12722 | StmtResult InitStmt = new (Context) | |||
12723 | DeclStmt(DeclGroupRef::Create(Context, &CounterDecl, 1), | |||
12724 | OrigCntVar->getBeginLoc(), OrigCntVar->getEndLoc()); | |||
12725 | if (!InitStmt.isUsable()) | |||
12726 | return StmtError(); | |||
12727 | ||||
12728 | // For cond-expression: .tile.iv < min(.floor.iv + DimTileSize, | |||
12729 | // NumIterations) | |||
12730 | ExprResult EndOfTile = BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), | |||
12731 | BO_Add, FloorIV, DimTileSize); | |||
12732 | if (!EndOfTile.isUsable()) | |||
12733 | return StmtError(); | |||
12734 | ExprResult IsPartialTile = | |||
12735 | BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), BO_LT, | |||
12736 | NumIterations, EndOfTile.get()); | |||
12737 | if (!IsPartialTile.isUsable()) | |||
12738 | return StmtError(); | |||
12739 | ExprResult MinTileAndIterSpace = ActOnConditionalOp( | |||
12740 | LoopHelper.Cond->getBeginLoc(), LoopHelper.Cond->getEndLoc(), | |||
12741 | IsPartialTile.get(), NumIterations, EndOfTile.get()); | |||
12742 | if (!MinTileAndIterSpace.isUsable()) | |||
12743 | return StmtError(); | |||
12744 | ExprResult CondExpr = BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), | |||
12745 | BO_LT, TileIV, MinTileAndIterSpace.get()); | |||
12746 | if (!CondExpr.isUsable()) | |||
12747 | return StmtError(); | |||
12748 | ||||
12749 | // For incr-statement: ++.tile.iv | |||
12750 | ExprResult IncrStmt = | |||
12751 | BuildUnaryOp(CurScope, LoopHelper.Inc->getExprLoc(), UO_PreInc, TileIV); | |||
12752 | if (!IncrStmt.isUsable()) | |||
12753 | return StmtError(); | |||
12754 | ||||
12755 | // Statements to set the original iteration variable's value from the | |||
12756 | // logical iteration number. | |||
12757 | // Generated for loop is: | |||
12758 | // Original_for_init; | |||
12759 | // for (auto .tile.iv = .floor.iv; .tile.iv < min(.floor.iv + DimTileSize, | |||
12760 | // NumIterations); ++.tile.iv) { | |||
12761 | // Original_Body; | |||
12762 | // Original_counter_update; | |||
12763 | // } | |||
12764 | // FIXME: If the innermost body is an loop itself, inserting these | |||
12765 | // statements stops it being recognized as a perfectly nested loop (e.g. | |||
12766 | // for applying tiling again). If this is the case, sink the expressions | |||
12767 | // further into the inner loop. | |||
12768 | SmallVector<Stmt *, 4> BodyParts; | |||
12769 | BodyParts.append(LoopHelper.Updates.begin(), LoopHelper.Updates.end()); | |||
12770 | BodyParts.push_back(Inner); | |||
12771 | Inner = CompoundStmt::Create(Context, BodyParts, Inner->getBeginLoc(), | |||
12772 | Inner->getEndLoc()); | |||
12773 | Inner = new (Context) | |||
12774 | ForStmt(Context, InitStmt.get(), CondExpr.get(), nullptr, | |||
12775 | IncrStmt.get(), Inner, LoopHelper.Init->getBeginLoc(), | |||
12776 | LoopHelper.Init->getBeginLoc(), LoopHelper.Inc->getEndLoc()); | |||
12777 | } | |||
12778 | ||||
12779 | // Create floor loops from the inside to the outside. | |||
12780 | for (int I = NumLoops - 1; I >= 0; --I) { | |||
12781 | auto &LoopHelper = LoopHelpers[I]; | |||
12782 | Expr *NumIterations = LoopHelper.NumIterations; | |||
12783 | DeclRefExpr *OrigCntVar = cast<DeclRefExpr>(LoopHelper.Counters[0]); | |||
12784 | QualType CntTy = OrigCntVar->getType(); | |||
12785 | Expr *DimTileSize = SizesClause->getSizesRefs()[I]; | |||
12786 | Scope *CurScope = getCurScope(); | |||
12787 | ||||
12788 | // Commonly used variables. | |||
12789 | DeclRefExpr *FloorIV = buildDeclRefExpr(*this, FloorIndVars[I], CntTy, | |||
12790 | OrigCntVar->getExprLoc()); | |||
12791 | ||||
12792 | // For init-statement: auto .floor.iv = 0 | |||
12793 | AddInitializerToDecl( | |||
12794 | FloorIndVars[I], | |||
12795 | ActOnIntegerConstant(LoopHelper.Init->getExprLoc(), 0).get(), | |||
12796 | /*DirectInit=*/false); | |||
12797 | Decl *CounterDecl = FloorIndVars[I]; | |||
12798 | StmtResult InitStmt = new (Context) | |||
12799 | DeclStmt(DeclGroupRef::Create(Context, &CounterDecl, 1), | |||
12800 | OrigCntVar->getBeginLoc(), OrigCntVar->getEndLoc()); | |||
12801 | if (!InitStmt.isUsable()) | |||
12802 | return StmtError(); | |||
12803 | ||||
12804 | // For cond-expression: .floor.iv < NumIterations | |||
12805 | ExprResult CondExpr = BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), | |||
12806 | BO_LT, FloorIV, NumIterations); | |||
12807 | if (!CondExpr.isUsable()) | |||
12808 | return StmtError(); | |||
12809 | ||||
12810 | // For incr-statement: .floor.iv += DimTileSize | |||
12811 | ExprResult IncrStmt = BuildBinOp(CurScope, LoopHelper.Inc->getExprLoc(), | |||
12812 | BO_AddAssign, FloorIV, DimTileSize); | |||
12813 | if (!IncrStmt.isUsable()) | |||
12814 | return StmtError(); | |||
12815 | ||||
12816 | Inner = new (Context) | |||
12817 | ForStmt(Context, InitStmt.get(), CondExpr.get(), nullptr, | |||
12818 | IncrStmt.get(), Inner, LoopHelper.Init->getBeginLoc(), | |||
12819 | LoopHelper.Init->getBeginLoc(), LoopHelper.Inc->getEndLoc()); | |||
12820 | } | |||
12821 | ||||
12822 | return OMPTileDirective::Create(Context, StartLoc, EndLoc, Clauses, NumLoops, | |||
12823 | AStmt, Inner, | |||
12824 | buildPreInits(Context, PreInits)); | |||
12825 | } | |||
12826 | ||||
12827 | StmtResult Sema::ActOnOpenMPUnrollDirective(ArrayRef<OMPClause *> Clauses, | |||
12828 | Stmt *AStmt, | |||
12829 | SourceLocation StartLoc, | |||
12830 | SourceLocation EndLoc) { | |||
12831 | // Empty statement should only be possible if there already was an error. | |||
12832 | if (!AStmt) | |||
12833 | return StmtError(); | |||
12834 | ||||
12835 | if (checkMutuallyExclusiveClauses(*this, Clauses, {OMPC_partial, OMPC_full})) | |||
12836 | return StmtError(); | |||
12837 | ||||
12838 | const OMPFullClause *FullClause = | |||
12839 | OMPExecutableDirective::getSingleClause<OMPFullClause>(Clauses); | |||
12840 | const OMPPartialClause *PartialClause = | |||
12841 | OMPExecutableDirective::getSingleClause<OMPPartialClause>(Clauses); | |||
12842 | assert(!(FullClause && PartialClause) &&((void)0) | |||
12843 | "mutual exclusivity must have been checked before")((void)0); | |||
12844 | ||||
12845 | constexpr unsigned NumLoops = 1; | |||
12846 | Stmt *Body = nullptr; | |||
12847 | SmallVector<OMPLoopBasedDirective::HelperExprs, NumLoops> LoopHelpers( | |||
12848 | NumLoops); | |||
12849 | SmallVector<SmallVector<llvm::PointerUnion<Stmt *, Decl *>, 0>, NumLoops + 1> | |||
12850 | OriginalInits; | |||
12851 | if (!checkTransformableLoopNest(OMPD_unroll, AStmt, NumLoops, LoopHelpers, | |||
12852 | Body, OriginalInits)) | |||
12853 | return StmtError(); | |||
12854 | ||||
12855 | // Delay unrolling to when template is completely instantiated. | |||
12856 | if (CurContext->isDependentContext()) | |||
12857 | return OMPUnrollDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | |||
12858 | nullptr, nullptr); | |||
12859 | ||||
12860 | OMPLoopBasedDirective::HelperExprs &LoopHelper = LoopHelpers.front(); | |||
12861 | ||||
12862 | if (FullClause) { | |||
12863 | if (!VerifyPositiveIntegerConstantInClause( | |||
12864 | LoopHelper.NumIterations, OMPC_full, /*StrictlyPositive=*/false, | |||
12865 | /*SuppressExprDigs=*/true) | |||
12866 | .isUsable()) { | |||
12867 | Diag(AStmt->getBeginLoc(), diag::err_omp_unroll_full_variable_trip_count); | |||
12868 | Diag(FullClause->getBeginLoc(), diag::note_omp_directive_here) | |||
12869 | << "#pragma omp unroll full"; | |||
12870 | return StmtError(); | |||
12871 | } | |||
12872 | } | |||
12873 | ||||
12874 | // The generated loop may only be passed to other loop-associated directive | |||
12875 | // when a partial clause is specified. Without the requirement it is | |||
12876 | // sufficient to generate loop unroll metadata at code-generation. | |||
12877 | if (!PartialClause) | |||
12878 | return OMPUnrollDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | |||
12879 | nullptr, nullptr); | |||
12880 | ||||
12881 | // Otherwise, we need to provide a de-sugared/transformed AST that can be | |||
12882 | // associated with another loop directive. | |||
12883 | // | |||
12884 | // The canonical loop analysis return by checkTransformableLoopNest assumes | |||
12885 | // the following structure to be the same loop without transformations or | |||
12886 | // directives applied: \code OriginalInits; LoopHelper.PreInits; | |||
12887 | // LoopHelper.Counters; | |||
12888 | // for (; IV < LoopHelper.NumIterations; ++IV) { | |||
12889 | // LoopHelper.Updates; | |||
12890 | // Body; | |||
12891 | // } | |||
12892 | // \endcode | |||
12893 | // where IV is a variable declared and initialized to 0 in LoopHelper.PreInits | |||
12894 | // and referenced by LoopHelper.IterationVarRef. | |||
12895 | // | |||
12896 | // The unrolling directive transforms this into the following loop: | |||
12897 | // \code | |||
12898 | // OriginalInits; \ | |||
12899 | // LoopHelper.PreInits; > NewPreInits | |||
12900 | // LoopHelper.Counters; / | |||
12901 | // for (auto UIV = 0; UIV < LoopHelper.NumIterations; UIV+=Factor) { | |||
12902 | // #pragma clang loop unroll_count(Factor) | |||
12903 | // for (IV = UIV; IV < UIV + Factor && UIV < LoopHelper.NumIterations; ++IV) | |||
12904 | // { | |||
12905 | // LoopHelper.Updates; | |||
12906 | // Body; | |||
12907 | // } | |||
12908 | // } | |||
12909 | // \endcode | |||
12910 | // where UIV is a new logical iteration counter. IV must be the same VarDecl | |||
12911 | // as the original LoopHelper.IterationVarRef because LoopHelper.Updates | |||
12912 | // references it. If the partially unrolled loop is associated with another | |||
12913 | // loop directive (like an OMPForDirective), it will use checkOpenMPLoop to | |||
12914 | // analyze this loop, i.e. the outer loop must fulfill the constraints of an | |||
12915 | // OpenMP canonical loop. The inner loop is not an associable canonical loop | |||
12916 | // and only exists to defer its unrolling to LLVM's LoopUnroll instead of | |||
12917 | // doing it in the frontend (by adding loop metadata). NewPreInits becomes a | |||
12918 | // property of the OMPLoopBasedDirective instead of statements in | |||
12919 | // CompoundStatement. This is to allow the loop to become a non-outermost loop | |||
12920 | // of a canonical loop nest where these PreInits are emitted before the | |||
12921 | // outermost directive. | |||
12922 | ||||
12923 | // Determine the PreInit declarations. | |||
12924 | SmallVector<Decl *, 4> PreInits; | |||
12925 | assert(OriginalInits.size() == 1 &&((void)0) | |||
12926 | "Expecting a single-dimensional loop iteration space")((void)0); | |||
12927 | for (auto &P : OriginalInits[0]) { | |||
12928 | if (auto *D = P.dyn_cast<Decl *>()) | |||
12929 | PreInits.push_back(D); | |||
12930 | else if (auto *PI = dyn_cast_or_null<DeclStmt>(P.dyn_cast<Stmt *>())) | |||
12931 | PreInits.append(PI->decl_begin(), PI->decl_end()); | |||
12932 | } | |||
12933 | if (auto *PI = cast_or_null<DeclStmt>(LoopHelper.PreInits)) | |||
12934 | PreInits.append(PI->decl_begin(), PI->decl_end()); | |||
12935 | // Gather declarations for the data members used as counters. | |||
12936 | for (Expr *CounterRef : LoopHelper.Counters) { | |||
12937 | auto *CounterDecl = cast<DeclRefExpr>(CounterRef)->getDecl(); | |||
12938 | if (isa<OMPCapturedExprDecl>(CounterDecl)) | |||
12939 | PreInits.push_back(CounterDecl); | |||
12940 | } | |||
12941 | ||||
12942 | auto *IterationVarRef = cast<DeclRefExpr>(LoopHelper.IterationVarRef); | |||
12943 | QualType IVTy = IterationVarRef->getType(); | |||
12944 | assert(LoopHelper.Counters.size() == 1 &&((void)0) | |||
12945 | "Expecting a single-dimensional loop iteration space")((void)0); | |||
12946 | auto *OrigVar = cast<DeclRefExpr>(LoopHelper.Counters.front()); | |||
12947 | ||||
12948 | // Determine the unroll factor. | |||
12949 | uint64_t Factor; | |||
12950 | SourceLocation FactorLoc; | |||
12951 | if (Expr *FactorVal = PartialClause->getFactor()) { | |||
12952 | Factor = | |||
12953 | FactorVal->getIntegerConstantExpr(Context).getValue().getZExtValue(); | |||
12954 | FactorLoc = FactorVal->getExprLoc(); | |||
12955 | } else { | |||
12956 | // TODO: Use a better profitability model. | |||
12957 | Factor = 2; | |||
12958 | } | |||
12959 | assert(Factor > 0 && "Expected positive unroll factor")((void)0); | |||
12960 | auto MakeFactorExpr = [this, Factor, IVTy, FactorLoc]() { | |||
12961 | return IntegerLiteral::Create( | |||
12962 | Context, llvm::APInt(Context.getIntWidth(IVTy), Factor), IVTy, | |||
12963 | FactorLoc); | |||
12964 | }; | |||
12965 | ||||
12966 | // Iteration variable SourceLocations. | |||
12967 | SourceLocation OrigVarLoc = OrigVar->getExprLoc(); | |||
12968 | SourceLocation OrigVarLocBegin = OrigVar->getBeginLoc(); | |||
12969 | SourceLocation OrigVarLocEnd = OrigVar->getEndLoc(); | |||
12970 | ||||
12971 | // Internal variable names. | |||
12972 | std::string OrigVarName = OrigVar->getNameInfo().getAsString(); | |||
12973 | std::string OuterIVName = (Twine(".unrolled.iv.") + OrigVarName).str(); | |||
12974 | std::string InnerIVName = (Twine(".unroll_inner.iv.") + OrigVarName).str(); | |||
12975 | std::string InnerTripCountName = | |||
12976 | (Twine(".unroll_inner.tripcount.") + OrigVarName).str(); | |||
12977 | ||||
12978 | // Create the iteration variable for the unrolled loop. | |||
12979 | VarDecl *OuterIVDecl = | |||
12980 | buildVarDecl(*this, {}, IVTy, OuterIVName, nullptr, OrigVar); | |||
12981 | auto MakeOuterRef = [this, OuterIVDecl, IVTy, OrigVarLoc]() { | |||
12982 | return buildDeclRefExpr(*this, OuterIVDecl, IVTy, OrigVarLoc); | |||
12983 | }; | |||
12984 | ||||
12985 | // Iteration variable for the inner loop: Reuse the iteration variable created | |||
12986 | // by checkOpenMPLoop. | |||
12987 | auto *InnerIVDecl = cast<VarDecl>(IterationVarRef->getDecl()); | |||
12988 | InnerIVDecl->setDeclName(&PP.getIdentifierTable().get(InnerIVName)); | |||
12989 | auto MakeInnerRef = [this, InnerIVDecl, IVTy, OrigVarLoc]() { | |||
12990 | return buildDeclRefExpr(*this, InnerIVDecl, IVTy, OrigVarLoc); | |||
12991 | }; | |||
12992 | ||||
12993 | // Make a copy of the NumIterations expression for each use: By the AST | |||
12994 | // constraints, every expression object in a DeclContext must be unique. | |||
12995 | CaptureVars CopyTransformer(*this); | |||
12996 | auto MakeNumIterations = [&CopyTransformer, &LoopHelper]() -> Expr * { | |||
12997 | return AssertSuccess( | |||
12998 | CopyTransformer.TransformExpr(LoopHelper.NumIterations)); | |||
12999 | }; | |||
13000 | ||||
13001 | // Inner For init-statement: auto .unroll_inner.iv = .unrolled.iv | |||
13002 | ExprResult LValueConv = DefaultLvalueConversion(MakeOuterRef()); | |||
13003 | AddInitializerToDecl(InnerIVDecl, LValueConv.get(), /*DirectInit=*/false); | |||
13004 | StmtResult InnerInit = new (Context) | |||
13005 | DeclStmt(DeclGroupRef(InnerIVDecl), OrigVarLocBegin, OrigVarLocEnd); | |||
13006 | if (!InnerInit.isUsable()) | |||
13007 | return StmtError(); | |||
13008 | ||||
13009 | // Inner For cond-expression: | |||
13010 | // \code | |||
13011 | // .unroll_inner.iv < .unrolled.iv + Factor && | |||
13012 | // .unroll_inner.iv < NumIterations | |||
13013 | // \endcode | |||
13014 | // This conjunction of two conditions allows ScalarEvolution to derive the | |||
13015 | // maximum trip count of the inner loop. | |||
13016 | ExprResult EndOfTile = BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), | |||
13017 | BO_Add, MakeOuterRef(), MakeFactorExpr()); | |||
13018 | if (!EndOfTile.isUsable()) | |||
13019 | return StmtError(); | |||
13020 | ExprResult InnerCond1 = BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), | |||
13021 | BO_LE, MakeInnerRef(), EndOfTile.get()); | |||
13022 | if (!InnerCond1.isUsable()) | |||
13023 | return StmtError(); | |||
13024 | ExprResult InnerCond2 = | |||
13025 | BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), BO_LE, MakeInnerRef(), | |||
13026 | MakeNumIterations()); | |||
13027 | if (!InnerCond2.isUsable()) | |||
13028 | return StmtError(); | |||
13029 | ExprResult InnerCond = | |||
13030 | BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), BO_LAnd, | |||
13031 | InnerCond1.get(), InnerCond2.get()); | |||
13032 | if (!InnerCond.isUsable()) | |||
13033 | return StmtError(); | |||
13034 | ||||
13035 | // Inner For incr-statement: ++.unroll_inner.iv | |||
13036 | ExprResult InnerIncr = BuildUnaryOp(CurScope, LoopHelper.Inc->getExprLoc(), | |||
13037 | UO_PreInc, MakeInnerRef()); | |||
13038 | if (!InnerIncr.isUsable()) | |||
13039 | return StmtError(); | |||
13040 | ||||
13041 | // Inner For statement. | |||
13042 | SmallVector<Stmt *> InnerBodyStmts; | |||
13043 | InnerBodyStmts.append(LoopHelper.Updates.begin(), LoopHelper.Updates.end()); | |||
13044 | InnerBodyStmts.push_back(Body); | |||
13045 | CompoundStmt *InnerBody = CompoundStmt::Create( | |||
13046 | Context, InnerBodyStmts, Body->getBeginLoc(), Body->getEndLoc()); | |||
13047 | ForStmt *InnerFor = new (Context) | |||
13048 | ForStmt(Context, InnerInit.get(), InnerCond.get(), nullptr, | |||
13049 | InnerIncr.get(), InnerBody, LoopHelper.Init->getBeginLoc(), | |||
13050 | LoopHelper.Init->getBeginLoc(), LoopHelper.Inc->getEndLoc()); | |||
13051 | ||||
13052 | // Unroll metadata for the inner loop. | |||
13053 | // This needs to take into account the remainder portion of the unrolled loop, | |||
13054 | // hence `unroll(full)` does not apply here, even though the LoopUnroll pass | |||
13055 | // supports multiple loop exits. Instead, unroll using a factor equivalent to | |||
13056 | // the maximum trip count, which will also generate a remainder loop. Just | |||
13057 | // `unroll(enable)` (which could have been useful if the user has not | |||
13058 | // specified a concrete factor; even though the outer loop cannot be | |||
13059 | // influenced anymore, would avoid more code bloat than necessary) will refuse | |||
13060 | // the loop because "Won't unroll; remainder loop could not be generated when | |||
13061 | // assuming runtime trip count". Even if it did work, it must not choose a | |||
13062 | // larger unroll factor than the maximum loop length, or it would always just | |||
13063 | // execute the remainder loop. | |||
13064 | LoopHintAttr *UnrollHintAttr = | |||
13065 | LoopHintAttr::CreateImplicit(Context, LoopHintAttr::UnrollCount, | |||
13066 | LoopHintAttr::Numeric, MakeFactorExpr()); | |||
13067 | AttributedStmt *InnerUnrolled = | |||
13068 | AttributedStmt::Create(Context, StartLoc, {UnrollHintAttr}, InnerFor); | |||
13069 | ||||
13070 | // Outer For init-statement: auto .unrolled.iv = 0 | |||
13071 | AddInitializerToDecl( | |||
13072 | OuterIVDecl, ActOnIntegerConstant(LoopHelper.Init->getExprLoc(), 0).get(), | |||
13073 | /*DirectInit=*/false); | |||
13074 | StmtResult OuterInit = new (Context) | |||
13075 | DeclStmt(DeclGroupRef(OuterIVDecl), OrigVarLocBegin, OrigVarLocEnd); | |||
13076 | if (!OuterInit.isUsable()) | |||
13077 | return StmtError(); | |||
13078 | ||||
13079 | // Outer For cond-expression: .unrolled.iv < NumIterations | |||
13080 | ExprResult OuterConde = | |||
13081 | BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), BO_LT, MakeOuterRef(), | |||
13082 | MakeNumIterations()); | |||
13083 | if (!OuterConde.isUsable()) | |||
13084 | return StmtError(); | |||
13085 | ||||
13086 | // Outer For incr-statement: .unrolled.iv += Factor | |||
13087 | ExprResult OuterIncr = | |||
13088 | BuildBinOp(CurScope, LoopHelper.Inc->getExprLoc(), BO_AddAssign, | |||
13089 | MakeOuterRef(), MakeFactorExpr()); | |||
13090 | if (!OuterIncr.isUsable()) | |||
13091 | return StmtError(); | |||
13092 | ||||
13093 | // Outer For statement. | |||
13094 | ForStmt *OuterFor = new (Context) | |||
13095 | ForStmt(Context, OuterInit.get(), OuterConde.get(), nullptr, | |||
13096 | OuterIncr.get(), InnerUnrolled, LoopHelper.Init->getBeginLoc(), | |||
13097 | LoopHelper.Init->getBeginLoc(), LoopHelper.Inc->getEndLoc()); | |||
13098 | ||||
13099 | return OMPUnrollDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | |||
13100 | OuterFor, buildPreInits(Context, PreInits)); | |||
13101 | } | |||
13102 | ||||
13103 | OMPClause *Sema::ActOnOpenMPSingleExprClause(OpenMPClauseKind Kind, Expr *Expr, | |||
13104 | SourceLocation StartLoc, | |||
13105 | SourceLocation LParenLoc, | |||
13106 | SourceLocation EndLoc) { | |||
13107 | OMPClause *Res = nullptr; | |||
13108 | switch (Kind) { | |||
13109 | case OMPC_final: | |||
13110 | Res = ActOnOpenMPFinalClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
13111 | break; | |||
13112 | case OMPC_num_threads: | |||
13113 | Res = ActOnOpenMPNumThreadsClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
13114 | break; | |||
13115 | case OMPC_safelen: | |||
13116 | Res = ActOnOpenMPSafelenClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
13117 | break; | |||
13118 | case OMPC_simdlen: | |||
13119 | Res = ActOnOpenMPSimdlenClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
13120 | break; | |||
13121 | case OMPC_allocator: | |||
13122 | Res = ActOnOpenMPAllocatorClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
13123 | break; | |||
13124 | case OMPC_collapse: | |||
13125 | Res = ActOnOpenMPCollapseClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
13126 | break; | |||
13127 | case OMPC_ordered: | |||
13128 | Res = ActOnOpenMPOrderedClause(StartLoc, EndLoc, LParenLoc, Expr); | |||
13129 | break; | |||
13130 | case OMPC_num_teams: | |||
13131 | Res = ActOnOpenMPNumTeamsClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
13132 | break; | |||
13133 | case OMPC_thread_limit: | |||
13134 | Res = ActOnOpenMPThreadLimitClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
13135 | break; | |||
13136 | case OMPC_priority: | |||
13137 | Res = ActOnOpenMPPriorityClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
13138 | break; | |||
13139 | case OMPC_grainsize: | |||
13140 | Res = ActOnOpenMPGrainsizeClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
13141 | break; | |||
13142 | case OMPC_num_tasks: | |||
13143 | Res = ActOnOpenMPNumTasksClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
13144 | break; | |||
13145 | case OMPC_hint: | |||
13146 | Res = ActOnOpenMPHintClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
13147 | break; | |||
13148 | case OMPC_depobj: | |||
13149 | Res = ActOnOpenMPDepobjClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
13150 | break; | |||
13151 | case OMPC_detach: | |||
13152 | Res = ActOnOpenMPDetachClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
13153 | break; | |||
13154 | case OMPC_novariants: | |||
13155 | Res = ActOnOpenMPNovariantsClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
13156 | break; | |||
13157 | case OMPC_nocontext: | |||
13158 | Res = ActOnOpenMPNocontextClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
13159 | break; | |||
13160 | case OMPC_filter: | |||
13161 | Res = ActOnOpenMPFilterClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
13162 | break; | |||
13163 | case OMPC_partial: | |||
13164 | Res = ActOnOpenMPPartialClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
13165 | break; | |||
13166 | case OMPC_device: | |||
13167 | case OMPC_if: | |||
13168 | case OMPC_default: | |||
13169 | case OMPC_proc_bind: | |||
13170 | case OMPC_schedule: | |||
13171 | case OMPC_private: | |||
13172 | case OMPC_firstprivate: | |||
13173 | case OMPC_lastprivate: | |||
13174 | case OMPC_shared: | |||
13175 | case OMPC_reduction: | |||
13176 | case OMPC_task_reduction: | |||
13177 | case OMPC_in_reduction: | |||
13178 | case OMPC_linear: | |||
13179 | case OMPC_aligned: | |||
13180 | case OMPC_copyin: | |||
13181 | case OMPC_copyprivate: | |||
13182 | case OMPC_nowait: | |||
13183 | case OMPC_untied: | |||
13184 | case OMPC_mergeable: | |||
13185 | case OMPC_threadprivate: | |||
13186 | case OMPC_sizes: | |||
13187 | case OMPC_allocate: | |||
13188 | case OMPC_flush: | |||
13189 | case OMPC_read: | |||
13190 | case OMPC_write: | |||
13191 | case OMPC_update: | |||
13192 | case OMPC_capture: | |||
13193 | case OMPC_seq_cst: | |||
13194 | case OMPC_acq_rel: | |||
13195 | case OMPC_acquire: | |||
13196 | case OMPC_release: | |||
13197 | case OMPC_relaxed: | |||
13198 | case OMPC_depend: | |||
13199 | case OMPC_threads: | |||
13200 | case OMPC_simd: | |||
13201 | case OMPC_map: | |||
13202 | case OMPC_nogroup: | |||
13203 | case OMPC_dist_schedule: | |||
13204 | case OMPC_defaultmap: | |||
13205 | case OMPC_unknown: | |||
13206 | case OMPC_uniform: | |||
13207 | case OMPC_to: | |||
13208 | case OMPC_from: | |||
13209 | case OMPC_use_device_ptr: | |||
13210 | case OMPC_use_device_addr: | |||
13211 | case OMPC_is_device_ptr: | |||
13212 | case OMPC_unified_address: | |||
13213 | case OMPC_unified_shared_memory: | |||
13214 | case OMPC_reverse_offload: | |||
13215 | case OMPC_dynamic_allocators: | |||
13216 | case OMPC_atomic_default_mem_order: | |||
13217 | case OMPC_device_type: | |||
13218 | case OMPC_match: | |||
13219 | case OMPC_nontemporal: | |||
13220 | case OMPC_order: | |||
13221 | case OMPC_destroy: | |||
13222 | case OMPC_inclusive: | |||
13223 | case OMPC_exclusive: | |||
13224 | case OMPC_uses_allocators: | |||
13225 | case OMPC_affinity: | |||
13226 | default: | |||
13227 | llvm_unreachable("Clause is not allowed.")__builtin_unreachable(); | |||
13228 | } | |||
13229 | return Res; | |||
13230 | } | |||
13231 | ||||
13232 | // An OpenMP directive such as 'target parallel' has two captured regions: | |||
13233 | // for the 'target' and 'parallel' respectively. This function returns | |||
13234 | // the region in which to capture expressions associated with a clause. | |||
13235 | // A return value of OMPD_unknown signifies that the expression should not | |||
13236 | // be captured. | |||
13237 | static OpenMPDirectiveKind getOpenMPCaptureRegionForClause( | |||
13238 | OpenMPDirectiveKind DKind, OpenMPClauseKind CKind, unsigned OpenMPVersion, | |||
13239 | OpenMPDirectiveKind NameModifier = OMPD_unknown) { | |||
13240 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | |||
13241 | switch (CKind) { | |||
13242 | case OMPC_if: | |||
13243 | switch (DKind) { | |||
13244 | case OMPD_target_parallel_for_simd: | |||
13245 | if (OpenMPVersion >= 50 && | |||
13246 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) { | |||
13247 | CaptureRegion = OMPD_parallel; | |||
13248 | break; | |||
13249 | } | |||
13250 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; | |||
13251 | case OMPD_target_parallel: | |||
13252 | case OMPD_target_parallel_for: | |||
13253 | // If this clause applies to the nested 'parallel' region, capture within | |||
13254 | // the 'target' region, otherwise do not capture. | |||
13255 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_parallel) | |||
13256 | CaptureRegion = OMPD_target; | |||
13257 | break; | |||
13258 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
13259 | if (OpenMPVersion >= 50 && | |||
13260 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) { | |||
13261 | CaptureRegion = OMPD_parallel; | |||
13262 | break; | |||
13263 | } | |||
13264 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; | |||
13265 | case OMPD_target_teams_distribute_parallel_for: | |||
13266 | // If this clause applies to the nested 'parallel' region, capture within | |||
13267 | // the 'teams' region, otherwise do not capture. | |||
13268 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_parallel) | |||
13269 | CaptureRegion = OMPD_teams; | |||
13270 | break; | |||
13271 | case OMPD_teams_distribute_parallel_for_simd: | |||
13272 | if (OpenMPVersion >= 50 && | |||
13273 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) { | |||
13274 | CaptureRegion = OMPD_parallel; | |||
13275 | break; | |||
13276 | } | |||
13277 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; | |||
13278 | case OMPD_teams_distribute_parallel_for: | |||
13279 | CaptureRegion = OMPD_teams; | |||
13280 | break; | |||
13281 | case OMPD_target_update: | |||
13282 | case OMPD_target_enter_data: | |||
13283 | case OMPD_target_exit_data: | |||
13284 | CaptureRegion = OMPD_task; | |||
13285 | break; | |||
13286 | case OMPD_parallel_master_taskloop: | |||
13287 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_taskloop) | |||
13288 | CaptureRegion = OMPD_parallel; | |||
13289 | break; | |||
13290 | case OMPD_parallel_master_taskloop_simd: | |||
13291 | if ((OpenMPVersion <= 45 && NameModifier == OMPD_unknown) || | |||
13292 | NameModifier == OMPD_taskloop) { | |||
13293 | CaptureRegion = OMPD_parallel; | |||
13294 | break; | |||
13295 | } | |||
13296 | if (OpenMPVersion <= 45) | |||
13297 | break; | |||
13298 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_simd) | |||
13299 | CaptureRegion = OMPD_taskloop; | |||
13300 | break; | |||
13301 | case OMPD_parallel_for_simd: | |||
13302 | if (OpenMPVersion <= 45) | |||
13303 | break; | |||
13304 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_simd) | |||
13305 | CaptureRegion = OMPD_parallel; | |||
13306 | break; | |||
13307 | case OMPD_taskloop_simd: | |||
13308 | case OMPD_master_taskloop_simd: | |||
13309 | if (OpenMPVersion <= 45) | |||
13310 | break; | |||
13311 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_simd) | |||
13312 | CaptureRegion = OMPD_taskloop; | |||
13313 | break; | |||
13314 | case OMPD_distribute_parallel_for_simd: | |||
13315 | if (OpenMPVersion <= 45) | |||
13316 | break; | |||
13317 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_simd) | |||
13318 | CaptureRegion = OMPD_parallel; | |||
13319 | break; | |||
13320 | case OMPD_target_simd: | |||
13321 | if (OpenMPVersion >= 50 && | |||
13322 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) | |||
13323 | CaptureRegion = OMPD_target; | |||
13324 | break; | |||
13325 | case OMPD_teams_distribute_simd: | |||
13326 | case OMPD_target_teams_distribute_simd: | |||
13327 | if (OpenMPVersion >= 50 && | |||
13328 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) | |||
13329 | CaptureRegion = OMPD_teams; | |||
13330 | break; | |||
13331 | case OMPD_cancel: | |||
13332 | case OMPD_parallel: | |||
13333 | case OMPD_parallel_master: | |||
13334 | case OMPD_parallel_sections: | |||
13335 | case OMPD_parallel_for: | |||
13336 | case OMPD_target: | |||
13337 | case OMPD_target_teams: | |||
13338 | case OMPD_target_teams_distribute: | |||
13339 | case OMPD_distribute_parallel_for: | |||
13340 | case OMPD_task: | |||
13341 | case OMPD_taskloop: | |||
13342 | case OMPD_master_taskloop: | |||
13343 | case OMPD_target_data: | |||
13344 | case OMPD_simd: | |||
13345 | case OMPD_for_simd: | |||
13346 | case OMPD_distribute_simd: | |||
13347 | // Do not capture if-clause expressions. | |||
13348 | break; | |||
13349 | case OMPD_threadprivate: | |||
13350 | case OMPD_allocate: | |||
13351 | case OMPD_taskyield: | |||
13352 | case OMPD_barrier: | |||
13353 | case OMPD_taskwait: | |||
13354 | case OMPD_cancellation_point: | |||
13355 | case OMPD_flush: | |||
13356 | case OMPD_depobj: | |||
13357 | case OMPD_scan: | |||
13358 | case OMPD_declare_reduction: | |||
13359 | case OMPD_declare_mapper: | |||
13360 | case OMPD_declare_simd: | |||
13361 | case OMPD_declare_variant: | |||
13362 | case OMPD_begin_declare_variant: | |||
13363 | case OMPD_end_declare_variant: | |||
13364 | case OMPD_declare_target: | |||
13365 | case OMPD_end_declare_target: | |||
13366 | case OMPD_teams: | |||
13367 | case OMPD_tile: | |||
13368 | case OMPD_unroll: | |||
13369 | case OMPD_for: | |||
13370 | case OMPD_sections: | |||
13371 | case OMPD_section: | |||
13372 | case OMPD_single: | |||
13373 | case OMPD_master: | |||
13374 | case OMPD_masked: | |||
13375 | case OMPD_critical: | |||
13376 | case OMPD_taskgroup: | |||
13377 | case OMPD_distribute: | |||
13378 | case OMPD_ordered: | |||
13379 | case OMPD_atomic: | |||
13380 | case OMPD_teams_distribute: | |||
13381 | case OMPD_requires: | |||
13382 | llvm_unreachable("Unexpected OpenMP directive with if-clause")__builtin_unreachable(); | |||
13383 | case OMPD_unknown: | |||
13384 | default: | |||
13385 | llvm_unreachable("Unknown OpenMP directive")__builtin_unreachable(); | |||
13386 | } | |||
13387 | break; | |||
13388 | case OMPC_num_threads: | |||
13389 | switch (DKind) { | |||
13390 | case OMPD_target_parallel: | |||
13391 | case OMPD_target_parallel_for: | |||
13392 | case OMPD_target_parallel_for_simd: | |||
13393 | CaptureRegion = OMPD_target; | |||
13394 | break; | |||
13395 | case OMPD_teams_distribute_parallel_for: | |||
13396 | case OMPD_teams_distribute_parallel_for_simd: | |||
13397 | case OMPD_target_teams_distribute_parallel_for: | |||
13398 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
13399 | CaptureRegion = OMPD_teams; | |||
13400 | break; | |||
13401 | case OMPD_parallel: | |||
13402 | case OMPD_parallel_master: | |||
13403 | case OMPD_parallel_sections: | |||
13404 | case OMPD_parallel_for: | |||
13405 | case OMPD_parallel_for_simd: | |||
13406 | case OMPD_distribute_parallel_for: | |||
13407 | case OMPD_distribute_parallel_for_simd: | |||
13408 | case OMPD_parallel_master_taskloop: | |||
13409 | case OMPD_parallel_master_taskloop_simd: | |||
13410 | // Do not capture num_threads-clause expressions. | |||
13411 | break; | |||
13412 | case OMPD_target_data: | |||
13413 | case OMPD_target_enter_data: | |||
13414 | case OMPD_target_exit_data: | |||
13415 | case OMPD_target_update: | |||
13416 | case OMPD_target: | |||
13417 | case OMPD_target_simd: | |||
13418 | case OMPD_target_teams: | |||
13419 | case OMPD_target_teams_distribute: | |||
13420 | case OMPD_target_teams_distribute_simd: | |||
13421 | case OMPD_cancel: | |||
13422 | case OMPD_task: | |||
13423 | case OMPD_taskloop: | |||
13424 | case OMPD_taskloop_simd: | |||
13425 | case OMPD_master_taskloop: | |||
13426 | case OMPD_master_taskloop_simd: | |||
13427 | case OMPD_threadprivate: | |||
13428 | case OMPD_allocate: | |||
13429 | case OMPD_taskyield: | |||
13430 | case OMPD_barrier: | |||
13431 | case OMPD_taskwait: | |||
13432 | case OMPD_cancellation_point: | |||
13433 | case OMPD_flush: | |||
13434 | case OMPD_depobj: | |||
13435 | case OMPD_scan: | |||
13436 | case OMPD_declare_reduction: | |||
13437 | case OMPD_declare_mapper: | |||
13438 | case OMPD_declare_simd: | |||
13439 | case OMPD_declare_variant: | |||
13440 | case OMPD_begin_declare_variant: | |||
13441 | case OMPD_end_declare_variant: | |||
13442 | case OMPD_declare_target: | |||
13443 | case OMPD_end_declare_target: | |||
13444 | case OMPD_teams: | |||
13445 | case OMPD_simd: | |||
13446 | case OMPD_tile: | |||
13447 | case OMPD_unroll: | |||
13448 | case OMPD_for: | |||
13449 | case OMPD_for_simd: | |||
13450 | case OMPD_sections: | |||
13451 | case OMPD_section: | |||
13452 | case OMPD_single: | |||
13453 | case OMPD_master: | |||
13454 | case OMPD_masked: | |||
13455 | case OMPD_critical: | |||
13456 | case OMPD_taskgroup: | |||
13457 | case OMPD_distribute: | |||
13458 | case OMPD_ordered: | |||
13459 | case OMPD_atomic: | |||
13460 | case OMPD_distribute_simd: | |||
13461 | case OMPD_teams_distribute: | |||
13462 | case OMPD_teams_distribute_simd: | |||
13463 | case OMPD_requires: | |||
13464 | llvm_unreachable("Unexpected OpenMP directive with num_threads-clause")__builtin_unreachable(); | |||
13465 | case OMPD_unknown: | |||
13466 | default: | |||
13467 | llvm_unreachable("Unknown OpenMP directive")__builtin_unreachable(); | |||
13468 | } | |||
13469 | break; | |||
13470 | case OMPC_num_teams: | |||
13471 | switch (DKind) { | |||
13472 | case OMPD_target_teams: | |||
13473 | case OMPD_target_teams_distribute: | |||
13474 | case OMPD_target_teams_distribute_simd: | |||
13475 | case OMPD_target_teams_distribute_parallel_for: | |||
13476 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
13477 | CaptureRegion = OMPD_target; | |||
13478 | break; | |||
13479 | case OMPD_teams_distribute_parallel_for: | |||
13480 | case OMPD_teams_distribute_parallel_for_simd: | |||
13481 | case OMPD_teams: | |||
13482 | case OMPD_teams_distribute: | |||
13483 | case OMPD_teams_distribute_simd: | |||
13484 | // Do not capture num_teams-clause expressions. | |||
13485 | break; | |||
13486 | case OMPD_distribute_parallel_for: | |||
13487 | case OMPD_distribute_parallel_for_simd: | |||
13488 | case OMPD_task: | |||
13489 | case OMPD_taskloop: | |||
13490 | case OMPD_taskloop_simd: | |||
13491 | case OMPD_master_taskloop: | |||
13492 | case OMPD_master_taskloop_simd: | |||
13493 | case OMPD_parallel_master_taskloop: | |||
13494 | case OMPD_parallel_master_taskloop_simd: | |||
13495 | case OMPD_target_data: | |||
13496 | case OMPD_target_enter_data: | |||
13497 | case OMPD_target_exit_data: | |||
13498 | case OMPD_target_update: | |||
13499 | case OMPD_cancel: | |||
13500 | case OMPD_parallel: | |||
13501 | case OMPD_parallel_master: | |||
13502 | case OMPD_parallel_sections: | |||
13503 | case OMPD_parallel_for: | |||
13504 | case OMPD_parallel_for_simd: | |||
13505 | case OMPD_target: | |||
13506 | case OMPD_target_simd: | |||
13507 | case OMPD_target_parallel: | |||
13508 | case OMPD_target_parallel_for: | |||
13509 | case OMPD_target_parallel_for_simd: | |||
13510 | case OMPD_threadprivate: | |||
13511 | case OMPD_allocate: | |||
13512 | case OMPD_taskyield: | |||
13513 | case OMPD_barrier: | |||
13514 | case OMPD_taskwait: | |||
13515 | case OMPD_cancellation_point: | |||
13516 | case OMPD_flush: | |||
13517 | case OMPD_depobj: | |||
13518 | case OMPD_scan: | |||
13519 | case OMPD_declare_reduction: | |||
13520 | case OMPD_declare_mapper: | |||
13521 | case OMPD_declare_simd: | |||
13522 | case OMPD_declare_variant: | |||
13523 | case OMPD_begin_declare_variant: | |||
13524 | case OMPD_end_declare_variant: | |||
13525 | case OMPD_declare_target: | |||
13526 | case OMPD_end_declare_target: | |||
13527 | case OMPD_simd: | |||
13528 | case OMPD_tile: | |||
13529 | case OMPD_unroll: | |||
13530 | case OMPD_for: | |||
13531 | case OMPD_for_simd: | |||
13532 | case OMPD_sections: | |||
13533 | case OMPD_section: | |||
13534 | case OMPD_single: | |||
13535 | case OMPD_master: | |||
13536 | case OMPD_masked: | |||
13537 | case OMPD_critical: | |||
13538 | case OMPD_taskgroup: | |||
13539 | case OMPD_distribute: | |||
13540 | case OMPD_ordered: | |||
13541 | case OMPD_atomic: | |||
13542 | case OMPD_distribute_simd: | |||
13543 | case OMPD_requires: | |||
13544 | llvm_unreachable("Unexpected OpenMP directive with num_teams-clause")__builtin_unreachable(); | |||
13545 | case OMPD_unknown: | |||
13546 | default: | |||
13547 | llvm_unreachable("Unknown OpenMP directive")__builtin_unreachable(); | |||
13548 | } | |||
13549 | break; | |||
13550 | case OMPC_thread_limit: | |||
13551 | switch (DKind) { | |||
13552 | case OMPD_target_teams: | |||
13553 | case OMPD_target_teams_distribute: | |||
13554 | case OMPD_target_teams_distribute_simd: | |||
13555 | case OMPD_target_teams_distribute_parallel_for: | |||
13556 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
13557 | CaptureRegion = OMPD_target; | |||
13558 | break; | |||
13559 | case OMPD_teams_distribute_parallel_for: | |||
13560 | case OMPD_teams_distribute_parallel_for_simd: | |||
13561 | case OMPD_teams: | |||
13562 | case OMPD_teams_distribute: | |||
13563 | case OMPD_teams_distribute_simd: | |||
13564 | // Do not capture thread_limit-clause expressions. | |||
13565 | break; | |||
13566 | case OMPD_distribute_parallel_for: | |||
13567 | case OMPD_distribute_parallel_for_simd: | |||
13568 | case OMPD_task: | |||
13569 | case OMPD_taskloop: | |||
13570 | case OMPD_taskloop_simd: | |||
13571 | case OMPD_master_taskloop: | |||
13572 | case OMPD_master_taskloop_simd: | |||
13573 | case OMPD_parallel_master_taskloop: | |||
13574 | case OMPD_parallel_master_taskloop_simd: | |||
13575 | case OMPD_target_data: | |||
13576 | case OMPD_target_enter_data: | |||
13577 | case OMPD_target_exit_data: | |||
13578 | case OMPD_target_update: | |||
13579 | case OMPD_cancel: | |||
13580 | case OMPD_parallel: | |||
13581 | case OMPD_parallel_master: | |||
13582 | case OMPD_parallel_sections: | |||
13583 | case OMPD_parallel_for: | |||
13584 | case OMPD_parallel_for_simd: | |||
13585 | case OMPD_target: | |||
13586 | case OMPD_target_simd: | |||
13587 | case OMPD_target_parallel: | |||
13588 | case OMPD_target_parallel_for: | |||
13589 | case OMPD_target_parallel_for_simd: | |||
13590 | case OMPD_threadprivate: | |||
13591 | case OMPD_allocate: | |||
13592 | case OMPD_taskyield: | |||
13593 | case OMPD_barrier: | |||
13594 | case OMPD_taskwait: | |||
13595 | case OMPD_cancellation_point: | |||
13596 | case OMPD_flush: | |||
13597 | case OMPD_depobj: | |||
13598 | case OMPD_scan: | |||
13599 | case OMPD_declare_reduction: | |||
13600 | case OMPD_declare_mapper: | |||
13601 | case OMPD_declare_simd: | |||
13602 | case OMPD_declare_variant: | |||
13603 | case OMPD_begin_declare_variant: | |||
13604 | case OMPD_end_declare_variant: | |||
13605 | case OMPD_declare_target: | |||
13606 | case OMPD_end_declare_target: | |||
13607 | case OMPD_simd: | |||
13608 | case OMPD_tile: | |||
13609 | case OMPD_unroll: | |||
13610 | case OMPD_for: | |||
13611 | case OMPD_for_simd: | |||
13612 | case OMPD_sections: | |||
13613 | case OMPD_section: | |||
13614 | case OMPD_single: | |||
13615 | case OMPD_master: | |||
13616 | case OMPD_masked: | |||
13617 | case OMPD_critical: | |||
13618 | case OMPD_taskgroup: | |||
13619 | case OMPD_distribute: | |||
13620 | case OMPD_ordered: | |||
13621 | case OMPD_atomic: | |||
13622 | case OMPD_distribute_simd: | |||
13623 | case OMPD_requires: | |||
13624 | llvm_unreachable("Unexpected OpenMP directive with thread_limit-clause")__builtin_unreachable(); | |||
13625 | case OMPD_unknown: | |||
13626 | default: | |||
13627 | llvm_unreachable("Unknown OpenMP directive")__builtin_unreachable(); | |||
13628 | } | |||
13629 | break; | |||
13630 | case OMPC_schedule: | |||
13631 | switch (DKind) { | |||
13632 | case OMPD_parallel_for: | |||
13633 | case OMPD_parallel_for_simd: | |||
13634 | case OMPD_distribute_parallel_for: | |||
13635 | case OMPD_distribute_parallel_for_simd: | |||
13636 | case OMPD_teams_distribute_parallel_for: | |||
13637 | case OMPD_teams_distribute_parallel_for_simd: | |||
13638 | case OMPD_target_parallel_for: | |||
13639 | case OMPD_target_parallel_for_simd: | |||
13640 | case OMPD_target_teams_distribute_parallel_for: | |||
13641 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
13642 | CaptureRegion = OMPD_parallel; | |||
13643 | break; | |||
13644 | case OMPD_for: | |||
13645 | case OMPD_for_simd: | |||
13646 | // Do not capture schedule-clause expressions. | |||
13647 | break; | |||
13648 | case OMPD_task: | |||
13649 | case OMPD_taskloop: | |||
13650 | case OMPD_taskloop_simd: | |||
13651 | case OMPD_master_taskloop: | |||
13652 | case OMPD_master_taskloop_simd: | |||
13653 | case OMPD_parallel_master_taskloop: | |||
13654 | case OMPD_parallel_master_taskloop_simd: | |||
13655 | case OMPD_target_data: | |||
13656 | case OMPD_target_enter_data: | |||
13657 | case OMPD_target_exit_data: | |||
13658 | case OMPD_target_update: | |||
13659 | case OMPD_teams: | |||
13660 | case OMPD_teams_distribute: | |||
13661 | case OMPD_teams_distribute_simd: | |||
13662 | case OMPD_target_teams_distribute: | |||
13663 | case OMPD_target_teams_distribute_simd: | |||
13664 | case OMPD_target: | |||
13665 | case OMPD_target_simd: | |||
13666 | case OMPD_target_parallel: | |||
13667 | case OMPD_cancel: | |||
13668 | case OMPD_parallel: | |||
13669 | case OMPD_parallel_master: | |||
13670 | case OMPD_parallel_sections: | |||
13671 | case OMPD_threadprivate: | |||
13672 | case OMPD_allocate: | |||
13673 | case OMPD_taskyield: | |||
13674 | case OMPD_barrier: | |||
13675 | case OMPD_taskwait: | |||
13676 | case OMPD_cancellation_point: | |||
13677 | case OMPD_flush: | |||
13678 | case OMPD_depobj: | |||
13679 | case OMPD_scan: | |||
13680 | case OMPD_declare_reduction: | |||
13681 | case OMPD_declare_mapper: | |||
13682 | case OMPD_declare_simd: | |||
13683 | case OMPD_declare_variant: | |||
13684 | case OMPD_begin_declare_variant: | |||
13685 | case OMPD_end_declare_variant: | |||
13686 | case OMPD_declare_target: | |||
13687 | case OMPD_end_declare_target: | |||
13688 | case OMPD_simd: | |||
13689 | case OMPD_tile: | |||
13690 | case OMPD_unroll: | |||
13691 | case OMPD_sections: | |||
13692 | case OMPD_section: | |||
13693 | case OMPD_single: | |||
13694 | case OMPD_master: | |||
13695 | case OMPD_masked: | |||
13696 | case OMPD_critical: | |||
13697 | case OMPD_taskgroup: | |||
13698 | case OMPD_distribute: | |||
13699 | case OMPD_ordered: | |||
13700 | case OMPD_atomic: | |||
13701 | case OMPD_distribute_simd: | |||
13702 | case OMPD_target_teams: | |||
13703 | case OMPD_requires: | |||
13704 | llvm_unreachable("Unexpected OpenMP directive with schedule clause")__builtin_unreachable(); | |||
13705 | case OMPD_unknown: | |||
13706 | default: | |||
13707 | llvm_unreachable("Unknown OpenMP directive")__builtin_unreachable(); | |||
13708 | } | |||
13709 | break; | |||
13710 | case OMPC_dist_schedule: | |||
13711 | switch (DKind) { | |||
13712 | case OMPD_teams_distribute_parallel_for: | |||
13713 | case OMPD_teams_distribute_parallel_for_simd: | |||
13714 | case OMPD_teams_distribute: | |||
13715 | case OMPD_teams_distribute_simd: | |||
13716 | case OMPD_target_teams_distribute_parallel_for: | |||
13717 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
13718 | case OMPD_target_teams_distribute: | |||
13719 | case OMPD_target_teams_distribute_simd: | |||
13720 | CaptureRegion = OMPD_teams; | |||
13721 | break; | |||
13722 | case OMPD_distribute_parallel_for: | |||
13723 | case OMPD_distribute_parallel_for_simd: | |||
13724 | case OMPD_distribute: | |||
13725 | case OMPD_distribute_simd: | |||
13726 | // Do not capture dist_schedule-clause expressions. | |||
13727 | break; | |||
13728 | case OMPD_parallel_for: | |||
13729 | case OMPD_parallel_for_simd: | |||
13730 | case OMPD_target_parallel_for_simd: | |||
13731 | case OMPD_target_parallel_for: | |||
13732 | case OMPD_task: | |||
13733 | case OMPD_taskloop: | |||
13734 | case OMPD_taskloop_simd: | |||
13735 | case OMPD_master_taskloop: | |||
13736 | case OMPD_master_taskloop_simd: | |||
13737 | case OMPD_parallel_master_taskloop: | |||
13738 | case OMPD_parallel_master_taskloop_simd: | |||
13739 | case OMPD_target_data: | |||
13740 | case OMPD_target_enter_data: | |||
13741 | case OMPD_target_exit_data: | |||
13742 | case OMPD_target_update: | |||
13743 | case OMPD_teams: | |||
13744 | case OMPD_target: | |||
13745 | case OMPD_target_simd: | |||
13746 | case OMPD_target_parallel: | |||
13747 | case OMPD_cancel: | |||
13748 | case OMPD_parallel: | |||
13749 | case OMPD_parallel_master: | |||
13750 | case OMPD_parallel_sections: | |||
13751 | case OMPD_threadprivate: | |||
13752 | case OMPD_allocate: | |||
13753 | case OMPD_taskyield: | |||
13754 | case OMPD_barrier: | |||
13755 | case OMPD_taskwait: | |||
13756 | case OMPD_cancellation_point: | |||
13757 | case OMPD_flush: | |||
13758 | case OMPD_depobj: | |||
13759 | case OMPD_scan: | |||
13760 | case OMPD_declare_reduction: | |||
13761 | case OMPD_declare_mapper: | |||
13762 | case OMPD_declare_simd: | |||
13763 | case OMPD_declare_variant: | |||
13764 | case OMPD_begin_declare_variant: | |||
13765 | case OMPD_end_declare_variant: | |||
13766 | case OMPD_declare_target: | |||
13767 | case OMPD_end_declare_target: | |||
13768 | case OMPD_simd: | |||
13769 | case OMPD_tile: | |||
13770 | case OMPD_unroll: | |||
13771 | case OMPD_for: | |||
13772 | case OMPD_for_simd: | |||
13773 | case OMPD_sections: | |||
13774 | case OMPD_section: | |||
13775 | case OMPD_single: | |||
13776 | case OMPD_master: | |||
13777 | case OMPD_masked: | |||
13778 | case OMPD_critical: | |||
13779 | case OMPD_taskgroup: | |||
13780 | case OMPD_ordered: | |||
13781 | case OMPD_atomic: | |||
13782 | case OMPD_target_teams: | |||
13783 | case OMPD_requires: | |||
13784 | llvm_unreachable("Unexpected OpenMP directive with dist_schedule clause")__builtin_unreachable(); | |||
13785 | case OMPD_unknown: | |||
13786 | default: | |||
13787 | llvm_unreachable("Unknown OpenMP directive")__builtin_unreachable(); | |||
13788 | } | |||
13789 | break; | |||
13790 | case OMPC_device: | |||
13791 | switch (DKind) { | |||
13792 | case OMPD_target_update: | |||
13793 | case OMPD_target_enter_data: | |||
13794 | case OMPD_target_exit_data: | |||
13795 | case OMPD_target: | |||
13796 | case OMPD_target_simd: | |||
13797 | case OMPD_target_teams: | |||
13798 | case OMPD_target_parallel: | |||
13799 | case OMPD_target_teams_distribute: | |||
13800 | case OMPD_target_teams_distribute_simd: | |||
13801 | case OMPD_target_parallel_for: | |||
13802 | case OMPD_target_parallel_for_simd: | |||
13803 | case OMPD_target_teams_distribute_parallel_for: | |||
13804 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
13805 | case OMPD_dispatch: | |||
13806 | CaptureRegion = OMPD_task; | |||
13807 | break; | |||
13808 | case OMPD_target_data: | |||
13809 | case OMPD_interop: | |||
13810 | // Do not capture device-clause expressions. | |||
13811 | break; | |||
13812 | case OMPD_teams_distribute_parallel_for: | |||
13813 | case OMPD_teams_distribute_parallel_for_simd: | |||
13814 | case OMPD_teams: | |||
13815 | case OMPD_teams_distribute: | |||
13816 | case OMPD_teams_distribute_simd: | |||
13817 | case OMPD_distribute_parallel_for: | |||
13818 | case OMPD_distribute_parallel_for_simd: | |||
13819 | case OMPD_task: | |||
13820 | case OMPD_taskloop: | |||
13821 | case OMPD_taskloop_simd: | |||
13822 | case OMPD_master_taskloop: | |||
13823 | case OMPD_master_taskloop_simd: | |||
13824 | case OMPD_parallel_master_taskloop: | |||
13825 | case OMPD_parallel_master_taskloop_simd: | |||
13826 | case OMPD_cancel: | |||
13827 | case OMPD_parallel: | |||
13828 | case OMPD_parallel_master: | |||
13829 | case OMPD_parallel_sections: | |||
13830 | case OMPD_parallel_for: | |||
13831 | case OMPD_parallel_for_simd: | |||
13832 | case OMPD_threadprivate: | |||
13833 | case OMPD_allocate: | |||
13834 | case OMPD_taskyield: | |||
13835 | case OMPD_barrier: | |||
13836 | case OMPD_taskwait: | |||
13837 | case OMPD_cancellation_point: | |||
13838 | case OMPD_flush: | |||
13839 | case OMPD_depobj: | |||
13840 | case OMPD_scan: | |||
13841 | case OMPD_declare_reduction: | |||
13842 | case OMPD_declare_mapper: | |||
13843 | case OMPD_declare_simd: | |||
13844 | case OMPD_declare_variant: | |||
13845 | case OMPD_begin_declare_variant: | |||
13846 | case OMPD_end_declare_variant: | |||
13847 | case OMPD_declare_target: | |||
13848 | case OMPD_end_declare_target: | |||
13849 | case OMPD_simd: | |||
13850 | case OMPD_tile: | |||
13851 | case OMPD_unroll: | |||
13852 | case OMPD_for: | |||
13853 | case OMPD_for_simd: | |||
13854 | case OMPD_sections: | |||
13855 | case OMPD_section: | |||
13856 | case OMPD_single: | |||
13857 | case OMPD_master: | |||
13858 | case OMPD_masked: | |||
13859 | case OMPD_critical: | |||
13860 | case OMPD_taskgroup: | |||
13861 | case OMPD_distribute: | |||
13862 | case OMPD_ordered: | |||
13863 | case OMPD_atomic: | |||
13864 | case OMPD_distribute_simd: | |||
13865 | case OMPD_requires: | |||
13866 | llvm_unreachable("Unexpected OpenMP directive with device-clause")__builtin_unreachable(); | |||
13867 | case OMPD_unknown: | |||
13868 | default: | |||
13869 | llvm_unreachable("Unknown OpenMP directive")__builtin_unreachable(); | |||
13870 | } | |||
13871 | break; | |||
13872 | case OMPC_grainsize: | |||
13873 | case OMPC_num_tasks: | |||
13874 | case OMPC_final: | |||
13875 | case OMPC_priority: | |||
13876 | switch (DKind) { | |||
13877 | case OMPD_task: | |||
13878 | case OMPD_taskloop: | |||
13879 | case OMPD_taskloop_simd: | |||
13880 | case OMPD_master_taskloop: | |||
13881 | case OMPD_master_taskloop_simd: | |||
13882 | break; | |||
13883 | case OMPD_parallel_master_taskloop: | |||
13884 | case OMPD_parallel_master_taskloop_simd: | |||
13885 | CaptureRegion = OMPD_parallel; | |||
13886 | break; | |||
13887 | case OMPD_target_update: | |||
13888 | case OMPD_target_enter_data: | |||
13889 | case OMPD_target_exit_data: | |||
13890 | case OMPD_target: | |||
13891 | case OMPD_target_simd: | |||
13892 | case OMPD_target_teams: | |||
13893 | case OMPD_target_parallel: | |||
13894 | case OMPD_target_teams_distribute: | |||
13895 | case OMPD_target_teams_distribute_simd: | |||
13896 | case OMPD_target_parallel_for: | |||
13897 | case OMPD_target_parallel_for_simd: | |||
13898 | case OMPD_target_teams_distribute_parallel_for: | |||
13899 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
13900 | case OMPD_target_data: | |||
13901 | case OMPD_teams_distribute_parallel_for: | |||
13902 | case OMPD_teams_distribute_parallel_for_simd: | |||
13903 | case OMPD_teams: | |||
13904 | case OMPD_teams_distribute: | |||
13905 | case OMPD_teams_distribute_simd: | |||
13906 | case OMPD_distribute_parallel_for: | |||
13907 | case OMPD_distribute_parallel_for_simd: | |||
13908 | case OMPD_cancel: | |||
13909 | case OMPD_parallel: | |||
13910 | case OMPD_parallel_master: | |||
13911 | case OMPD_parallel_sections: | |||
13912 | case OMPD_parallel_for: | |||
13913 | case OMPD_parallel_for_simd: | |||
13914 | case OMPD_threadprivate: | |||
13915 | case OMPD_allocate: | |||
13916 | case OMPD_taskyield: | |||
13917 | case OMPD_barrier: | |||
13918 | case OMPD_taskwait: | |||
13919 | case OMPD_cancellation_point: | |||
13920 | case OMPD_flush: | |||
13921 | case OMPD_depobj: | |||
13922 | case OMPD_scan: | |||
13923 | case OMPD_declare_reduction: | |||
13924 | case OMPD_declare_mapper: | |||
13925 | case OMPD_declare_simd: | |||
13926 | case OMPD_declare_variant: | |||
13927 | case OMPD_begin_declare_variant: | |||
13928 | case OMPD_end_declare_variant: | |||
13929 | case OMPD_declare_target: | |||
13930 | case OMPD_end_declare_target: | |||
13931 | case OMPD_simd: | |||
13932 | case OMPD_tile: | |||
13933 | case OMPD_unroll: | |||
13934 | case OMPD_for: | |||
13935 | case OMPD_for_simd: | |||
13936 | case OMPD_sections: | |||
13937 | case OMPD_section: | |||
13938 | case OMPD_single: | |||
13939 | case OMPD_master: | |||
13940 | case OMPD_masked: | |||
13941 | case OMPD_critical: | |||
13942 | case OMPD_taskgroup: | |||
13943 | case OMPD_distribute: | |||
13944 | case OMPD_ordered: | |||
13945 | case OMPD_atomic: | |||
13946 | case OMPD_distribute_simd: | |||
13947 | case OMPD_requires: | |||
13948 | llvm_unreachable("Unexpected OpenMP directive with grainsize-clause")__builtin_unreachable(); | |||
13949 | case OMPD_unknown: | |||
13950 | default: | |||
13951 | llvm_unreachable("Unknown OpenMP directive")__builtin_unreachable(); | |||
13952 | } | |||
13953 | break; | |||
13954 | case OMPC_novariants: | |||
13955 | case OMPC_nocontext: | |||
13956 | switch (DKind) { | |||
13957 | case OMPD_dispatch: | |||
13958 | CaptureRegion = OMPD_task; | |||
13959 | break; | |||
13960 | default: | |||
13961 | llvm_unreachable("Unexpected OpenMP directive")__builtin_unreachable(); | |||
13962 | } | |||
13963 | break; | |||
13964 | case OMPC_filter: | |||
13965 | // Do not capture filter-clause expressions. | |||
13966 | break; | |||
13967 | case OMPC_firstprivate: | |||
13968 | case OMPC_lastprivate: | |||
13969 | case OMPC_reduction: | |||
13970 | case OMPC_task_reduction: | |||
13971 | case OMPC_in_reduction: | |||
13972 | case OMPC_linear: | |||
13973 | case OMPC_default: | |||
13974 | case OMPC_proc_bind: | |||
13975 | case OMPC_safelen: | |||
13976 | case OMPC_simdlen: | |||
13977 | case OMPC_sizes: | |||
13978 | case OMPC_allocator: | |||
13979 | case OMPC_collapse: | |||
13980 | case OMPC_private: | |||
13981 | case OMPC_shared: | |||
13982 | case OMPC_aligned: | |||
13983 | case OMPC_copyin: | |||
13984 | case OMPC_copyprivate: | |||
13985 | case OMPC_ordered: | |||
13986 | case OMPC_nowait: | |||
13987 | case OMPC_untied: | |||
13988 | case OMPC_mergeable: | |||
13989 | case OMPC_threadprivate: | |||
13990 | case OMPC_allocate: | |||
13991 | case OMPC_flush: | |||
13992 | case OMPC_depobj: | |||
13993 | case OMPC_read: | |||
13994 | case OMPC_write: | |||
13995 | case OMPC_update: | |||
13996 | case OMPC_capture: | |||
13997 | case OMPC_seq_cst: | |||
13998 | case OMPC_acq_rel: | |||
13999 | case OMPC_acquire: | |||
14000 | case OMPC_release: | |||
14001 | case OMPC_relaxed: | |||
14002 | case OMPC_depend: | |||
14003 | case OMPC_threads: | |||
14004 | case OMPC_simd: | |||
14005 | case OMPC_map: | |||
14006 | case OMPC_nogroup: | |||
14007 | case OMPC_hint: | |||
14008 | case OMPC_defaultmap: | |||
14009 | case OMPC_unknown: | |||
14010 | case OMPC_uniform: | |||
14011 | case OMPC_to: | |||
14012 | case OMPC_from: | |||
14013 | case OMPC_use_device_ptr: | |||
14014 | case OMPC_use_device_addr: | |||
14015 | case OMPC_is_device_ptr: | |||
14016 | case OMPC_unified_address: | |||
14017 | case OMPC_unified_shared_memory: | |||
14018 | case OMPC_reverse_offload: | |||
14019 | case OMPC_dynamic_allocators: | |||
14020 | case OMPC_atomic_default_mem_order: | |||
14021 | case OMPC_device_type: | |||
14022 | case OMPC_match: | |||
14023 | case OMPC_nontemporal: | |||
14024 | case OMPC_order: | |||
14025 | case OMPC_destroy: | |||
14026 | case OMPC_detach: | |||
14027 | case OMPC_inclusive: | |||
14028 | case OMPC_exclusive: | |||
14029 | case OMPC_uses_allocators: | |||
14030 | case OMPC_affinity: | |||
14031 | default: | |||
14032 | llvm_unreachable("Unexpected OpenMP clause.")__builtin_unreachable(); | |||
14033 | } | |||
14034 | return CaptureRegion; | |||
14035 | } | |||
14036 | ||||
14037 | OMPClause *Sema::ActOnOpenMPIfClause(OpenMPDirectiveKind NameModifier, | |||
14038 | Expr *Condition, SourceLocation StartLoc, | |||
14039 | SourceLocation LParenLoc, | |||
14040 | SourceLocation NameModifierLoc, | |||
14041 | SourceLocation ColonLoc, | |||
14042 | SourceLocation EndLoc) { | |||
14043 | Expr *ValExpr = Condition; | |||
14044 | Stmt *HelperValStmt = nullptr; | |||
14045 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | |||
14046 | if (!Condition->isValueDependent() && !Condition->isTypeDependent() && | |||
14047 | !Condition->isInstantiationDependent() && | |||
14048 | !Condition->containsUnexpandedParameterPack()) { | |||
14049 | ExprResult Val = CheckBooleanCondition(StartLoc, Condition); | |||
14050 | if (Val.isInvalid()) | |||
14051 | return nullptr; | |||
14052 | ||||
14053 | ValExpr = Val.get(); | |||
14054 | ||||
14055 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | |||
14056 | CaptureRegion = getOpenMPCaptureRegionForClause( | |||
14057 | DKind, OMPC_if, LangOpts.OpenMP, NameModifier); | |||
14058 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | |||
14059 | ValExpr = MakeFullExpr(ValExpr).get(); | |||
14060 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | |||
14061 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | |||
14062 | HelperValStmt = buildPreInits(Context, Captures); | |||
14063 | } | |||
14064 | } | |||
14065 | ||||
14066 | return new (Context) | |||
14067 | OMPIfClause(NameModifier, ValExpr, HelperValStmt, CaptureRegion, StartLoc, | |||
14068 | LParenLoc, NameModifierLoc, ColonLoc, EndLoc); | |||
14069 | } | |||
14070 | ||||
14071 | OMPClause *Sema::ActOnOpenMPFinalClause(Expr *Condition, | |||
14072 | SourceLocation StartLoc, | |||
14073 | SourceLocation LParenLoc, | |||
14074 | SourceLocation EndLoc) { | |||
14075 | Expr *ValExpr = Condition; | |||
14076 | Stmt *HelperValStmt = nullptr; | |||
14077 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | |||
14078 | if (!Condition->isValueDependent() && !Condition->isTypeDependent() && | |||
14079 | !Condition->isInstantiationDependent() && | |||
14080 | !Condition->containsUnexpandedParameterPack()) { | |||
14081 | ExprResult Val = CheckBooleanCondition(StartLoc, Condition); | |||
14082 | if (Val.isInvalid()) | |||
14083 | return nullptr; | |||
14084 | ||||
14085 | ValExpr = MakeFullExpr(Val.get()).get(); | |||
14086 | ||||
14087 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | |||
14088 | CaptureRegion = | |||
14089 | getOpenMPCaptureRegionForClause(DKind, OMPC_final, LangOpts.OpenMP); | |||
14090 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | |||
14091 | ValExpr = MakeFullExpr(ValExpr).get(); | |||
14092 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | |||
14093 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | |||
14094 | HelperValStmt = buildPreInits(Context, Captures); | |||
14095 | } | |||
14096 | } | |||
14097 | ||||
14098 | return new (Context) OMPFinalClause(ValExpr, HelperValStmt, CaptureRegion, | |||
14099 | StartLoc, LParenLoc, EndLoc); | |||
14100 | } | |||
14101 | ||||
14102 | ExprResult Sema::PerformOpenMPImplicitIntegerConversion(SourceLocation Loc, | |||
14103 | Expr *Op) { | |||
14104 | if (!Op) | |||
14105 | return ExprError(); | |||
14106 | ||||
14107 | class IntConvertDiagnoser : public ICEConvertDiagnoser { | |||
14108 | public: | |||
14109 | IntConvertDiagnoser() | |||
14110 | : ICEConvertDiagnoser(/*AllowScopedEnumerations*/ false, false, true) {} | |||
14111 | SemaDiagnosticBuilder diagnoseNotInt(Sema &S, SourceLocation Loc, | |||
14112 | QualType T) override { | |||
14113 | return S.Diag(Loc, diag::err_omp_not_integral) << T; | |||
14114 | } | |||
14115 | SemaDiagnosticBuilder diagnoseIncomplete(Sema &S, SourceLocation Loc, | |||
14116 | QualType T) override { | |||
14117 | return S.Diag(Loc, diag::err_omp_incomplete_type) << T; | |||
14118 | } | |||
14119 | SemaDiagnosticBuilder diagnoseExplicitConv(Sema &S, SourceLocation Loc, | |||
14120 | QualType T, | |||
14121 | QualType ConvTy) override { | |||
14122 | return S.Diag(Loc, diag::err_omp_explicit_conversion) << T << ConvTy; | |||
14123 | } | |||
14124 | SemaDiagnosticBuilder noteExplicitConv(Sema &S, CXXConversionDecl *Conv, | |||
14125 | QualType ConvTy) override { | |||
14126 | return S.Diag(Conv->getLocation(), diag::note_omp_conversion_here) | |||
14127 | << ConvTy->isEnumeralType() << ConvTy; | |||
14128 | } | |||
14129 | SemaDiagnosticBuilder diagnoseAmbiguous(Sema &S, SourceLocation Loc, | |||
14130 | QualType T) override { | |||
14131 | return S.Diag(Loc, diag::err_omp_ambiguous_conversion) << T; | |||
14132 | } | |||
14133 | SemaDiagnosticBuilder noteAmbiguous(Sema &S, CXXConversionDecl *Conv, | |||
14134 | QualType ConvTy) override { | |||
14135 | return S.Diag(Conv->getLocation(), diag::note_omp_conversion_here) | |||
14136 | << ConvTy->isEnumeralType() << ConvTy; | |||
14137 | } | |||
14138 | SemaDiagnosticBuilder diagnoseConversion(Sema &, SourceLocation, QualType, | |||
14139 | QualType) override { | |||
14140 | llvm_unreachable("conversion functions are permitted")__builtin_unreachable(); | |||
14141 | } | |||
14142 | } ConvertDiagnoser; | |||
14143 | return PerformContextualImplicitConversion(Loc, Op, ConvertDiagnoser); | |||
14144 | } | |||
14145 | ||||
14146 | static bool | |||
14147 | isNonNegativeIntegerValue(Expr *&ValExpr, Sema &SemaRef, OpenMPClauseKind CKind, | |||
14148 | bool StrictlyPositive, bool BuildCapture = false, | |||
14149 | OpenMPDirectiveKind DKind = OMPD_unknown, | |||
14150 | OpenMPDirectiveKind *CaptureRegion = nullptr, | |||
14151 | Stmt **HelperValStmt = nullptr) { | |||
14152 | if (!ValExpr->isTypeDependent() && !ValExpr->isValueDependent() && | |||
14153 | !ValExpr->isInstantiationDependent()) { | |||
14154 | SourceLocation Loc = ValExpr->getExprLoc(); | |||
14155 | ExprResult Value = | |||
14156 | SemaRef.PerformOpenMPImplicitIntegerConversion(Loc, ValExpr); | |||
14157 | if (Value.isInvalid()) | |||
14158 | return false; | |||
14159 | ||||
14160 | ValExpr = Value.get(); | |||
14161 | // The expression must evaluate to a non-negative integer value. | |||
14162 | if (Optional<llvm::APSInt> Result = | |||
14163 | ValExpr->getIntegerConstantExpr(SemaRef.Context)) { | |||
14164 | if (Result->isSigned() && | |||
14165 | !((!StrictlyPositive && Result->isNonNegative()) || | |||
14166 | (StrictlyPositive && Result->isStrictlyPositive()))) { | |||
14167 | SemaRef.Diag(Loc, diag::err_omp_negative_expression_in_clause) | |||
14168 | << getOpenMPClauseName(CKind) << (StrictlyPositive ? 1 : 0) | |||
14169 | << ValExpr->getSourceRange(); | |||
14170 | return false; | |||
14171 | } | |||
14172 | } | |||
14173 | if (!BuildCapture) | |||
14174 | return true; | |||
14175 | *CaptureRegion = | |||
14176 | getOpenMPCaptureRegionForClause(DKind, CKind, SemaRef.LangOpts.OpenMP); | |||
14177 | if (*CaptureRegion != OMPD_unknown && | |||
14178 | !SemaRef.CurContext->isDependentContext()) { | |||
14179 | ValExpr = SemaRef.MakeFullExpr(ValExpr).get(); | |||
14180 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | |||
14181 | ValExpr = tryBuildCapture(SemaRef, ValExpr, Captures).get(); | |||
14182 | *HelperValStmt = buildPreInits(SemaRef.Context, Captures); | |||
14183 | } | |||
14184 | } | |||
14185 | return true; | |||
14186 | } | |||
14187 | ||||
14188 | OMPClause *Sema::ActOnOpenMPNumThreadsClause(Expr *NumThreads, | |||
14189 | SourceLocation StartLoc, | |||
14190 | SourceLocation LParenLoc, | |||
14191 | SourceLocation EndLoc) { | |||
14192 | Expr *ValExpr = NumThreads; | |||
14193 | Stmt *HelperValStmt = nullptr; | |||
14194 | ||||
14195 | // OpenMP [2.5, Restrictions] | |||
14196 | // The num_threads expression must evaluate to a positive integer value. | |||
14197 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_num_threads, | |||
14198 | /*StrictlyPositive=*/true)) | |||
14199 | return nullptr; | |||
14200 | ||||
14201 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | |||
14202 | OpenMPDirectiveKind CaptureRegion = | |||
14203 | getOpenMPCaptureRegionForClause(DKind, OMPC_num_threads, LangOpts.OpenMP); | |||
14204 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | |||
14205 | ValExpr = MakeFullExpr(ValExpr).get(); | |||
14206 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | |||
14207 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | |||
14208 | HelperValStmt = buildPreInits(Context, Captures); | |||
14209 | } | |||
14210 | ||||
14211 | return new (Context) OMPNumThreadsClause( | |||
14212 | ValExpr, HelperValStmt, CaptureRegion, StartLoc, LParenLoc, EndLoc); | |||
14213 | } | |||
14214 | ||||
14215 | ExprResult Sema::VerifyPositiveIntegerConstantInClause(Expr *E, | |||
14216 | OpenMPClauseKind CKind, | |||
14217 | bool StrictlyPositive, | |||
14218 | bool SuppressExprDiags) { | |||
14219 | if (!E) | |||
14220 | return ExprError(); | |||
14221 | if (E->isValueDependent() || E->isTypeDependent() || | |||
14222 | E->isInstantiationDependent() || E->containsUnexpandedParameterPack()) | |||
14223 | return E; | |||
14224 | ||||
14225 | llvm::APSInt Result; | |||
14226 | ExprResult ICE; | |||
14227 | if (SuppressExprDiags) { | |||
14228 | // Use a custom diagnoser that suppresses 'note' diagnostics about the | |||
14229 | // expression. | |||
14230 | struct SuppressedDiagnoser : public Sema::VerifyICEDiagnoser { | |||
14231 | SuppressedDiagnoser() : VerifyICEDiagnoser(/*Suppress=*/true) {} | |||
14232 | Sema::SemaDiagnosticBuilder diagnoseNotICE(Sema &S, | |||
14233 | SourceLocation Loc) override { | |||
14234 | llvm_unreachable("Diagnostic suppressed")__builtin_unreachable(); | |||
14235 | } | |||
14236 | } Diagnoser; | |||
14237 | ICE = VerifyIntegerConstantExpression(E, &Result, Diagnoser, AllowFold); | |||
14238 | } else { | |||
14239 | ICE = VerifyIntegerConstantExpression(E, &Result, /*FIXME*/ AllowFold); | |||
14240 | } | |||
14241 | if (ICE.isInvalid()) | |||
14242 | return ExprError(); | |||
14243 | ||||
14244 | if ((StrictlyPositive && !Result.isStrictlyPositive()) || | |||
14245 | (!StrictlyPositive && !Result.isNonNegative())) { | |||
14246 | Diag(E->getExprLoc(), diag::err_omp_negative_expression_in_clause) | |||
14247 | << getOpenMPClauseName(CKind) << (StrictlyPositive ? 1 : 0) | |||
14248 | << E->getSourceRange(); | |||
14249 | return ExprError(); | |||
14250 | } | |||
14251 | if (CKind == OMPC_aligned && !Result.isPowerOf2()) { | |||
14252 | Diag(E->getExprLoc(), diag::warn_omp_alignment_not_power_of_two) | |||
14253 | << E->getSourceRange(); | |||
14254 | return ExprError(); | |||
14255 | } | |||
14256 | if (CKind == OMPC_collapse && DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops() == 1) | |||
14257 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(Result.getExtValue()); | |||
14258 | else if (CKind == OMPC_ordered) | |||
14259 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(Result.getExtValue()); | |||
14260 | return ICE; | |||
14261 | } | |||
14262 | ||||
14263 | OMPClause *Sema::ActOnOpenMPSafelenClause(Expr *Len, SourceLocation StartLoc, | |||
14264 | SourceLocation LParenLoc, | |||
14265 | SourceLocation EndLoc) { | |||
14266 | // OpenMP [2.8.1, simd construct, Description] | |||
14267 | // The parameter of the safelen clause must be a constant | |||
14268 | // positive integer expression. | |||
14269 | ExprResult Safelen = VerifyPositiveIntegerConstantInClause(Len, OMPC_safelen); | |||
14270 | if (Safelen.isInvalid()) | |||
14271 | return nullptr; | |||
14272 | return new (Context) | |||
14273 | OMPSafelenClause(Safelen.get(), StartLoc, LParenLoc, EndLoc); | |||
14274 | } | |||
14275 | ||||
14276 | OMPClause *Sema::ActOnOpenMPSimdlenClause(Expr *Len, SourceLocation StartLoc, | |||
14277 | SourceLocation LParenLoc, | |||
14278 | SourceLocation EndLoc) { | |||
14279 | // OpenMP [2.8.1, simd construct, Description] | |||
14280 | // The parameter of the simdlen clause must be a constant | |||
14281 | // positive integer expression. | |||
14282 | ExprResult Simdlen = VerifyPositiveIntegerConstantInClause(Len, OMPC_simdlen); | |||
14283 | if (Simdlen.isInvalid()) | |||
14284 | return nullptr; | |||
14285 | return new (Context) | |||
14286 | OMPSimdlenClause(Simdlen.get(), StartLoc, LParenLoc, EndLoc); | |||
14287 | } | |||
14288 | ||||
14289 | /// Tries to find omp_allocator_handle_t type. | |||
14290 | static bool findOMPAllocatorHandleT(Sema &S, SourceLocation Loc, | |||
14291 | DSAStackTy *Stack) { | |||
14292 | QualType OMPAllocatorHandleT = Stack->getOMPAllocatorHandleT(); | |||
14293 | if (!OMPAllocatorHandleT.isNull()) | |||
14294 | return true; | |||
14295 | // Build the predefined allocator expressions. | |||
14296 | bool ErrorFound = false; | |||
14297 | for (int I = 0; I < OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; ++I) { | |||
14298 | auto AllocatorKind = static_cast<OMPAllocateDeclAttr::AllocatorTypeTy>(I); | |||
14299 | StringRef Allocator = | |||
14300 | OMPAllocateDeclAttr::ConvertAllocatorTypeTyToStr(AllocatorKind); | |||
14301 | DeclarationName AllocatorName = &S.getASTContext().Idents.get(Allocator); | |||
14302 | auto *VD = dyn_cast_or_null<ValueDecl>( | |||
14303 | S.LookupSingleName(S.TUScope, AllocatorName, Loc, Sema::LookupAnyName)); | |||
14304 | if (!VD) { | |||
14305 | ErrorFound = true; | |||
14306 | break; | |||
14307 | } | |||
14308 | QualType AllocatorType = | |||
14309 | VD->getType().getNonLValueExprType(S.getASTContext()); | |||
14310 | ExprResult Res = S.BuildDeclRefExpr(VD, AllocatorType, VK_LValue, Loc); | |||
14311 | if (!Res.isUsable()) { | |||
14312 | ErrorFound = true; | |||
14313 | break; | |||
14314 | } | |||
14315 | if (OMPAllocatorHandleT.isNull()) | |||
14316 | OMPAllocatorHandleT = AllocatorType; | |||
14317 | if (!S.getASTContext().hasSameType(OMPAllocatorHandleT, AllocatorType)) { | |||
14318 | ErrorFound = true; | |||
14319 | break; | |||
14320 | } | |||
14321 | Stack->setAllocator(AllocatorKind, Res.get()); | |||
14322 | } | |||
14323 | if (ErrorFound) { | |||
14324 | S.Diag(Loc, diag::err_omp_implied_type_not_found) | |||
14325 | << "omp_allocator_handle_t"; | |||
14326 | return false; | |||
14327 | } | |||
14328 | OMPAllocatorHandleT.addConst(); | |||
14329 | Stack->setOMPAllocatorHandleT(OMPAllocatorHandleT); | |||
14330 | return true; | |||
14331 | } | |||
14332 | ||||
14333 | OMPClause *Sema::ActOnOpenMPAllocatorClause(Expr *A, SourceLocation StartLoc, | |||
14334 | SourceLocation LParenLoc, | |||
14335 | SourceLocation EndLoc) { | |||
14336 | // OpenMP [2.11.3, allocate Directive, Description] | |||
14337 | // allocator is an expression of omp_allocator_handle_t type. | |||
14338 | if (!findOMPAllocatorHandleT(*this, A->getExprLoc(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
14339 | return nullptr; | |||
14340 | ||||
14341 | ExprResult Allocator = DefaultLvalueConversion(A); | |||
14342 | if (Allocator.isInvalid()) | |||
14343 | return nullptr; | |||
14344 | Allocator = PerformImplicitConversion(Allocator.get(), | |||
14345 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAllocatorHandleT(), | |||
14346 | Sema::AA_Initializing, | |||
14347 | /*AllowExplicit=*/true); | |||
14348 | if (Allocator.isInvalid()) | |||
14349 | return nullptr; | |||
14350 | return new (Context) | |||
14351 | OMPAllocatorClause(Allocator.get(), StartLoc, LParenLoc, EndLoc); | |||
14352 | } | |||
14353 | ||||
14354 | OMPClause *Sema::ActOnOpenMPCollapseClause(Expr *NumForLoops, | |||
14355 | SourceLocation StartLoc, | |||
14356 | SourceLocation LParenLoc, | |||
14357 | SourceLocation EndLoc) { | |||
14358 | // OpenMP [2.7.1, loop construct, Description] | |||
14359 | // OpenMP [2.8.1, simd construct, Description] | |||
14360 | // OpenMP [2.9.6, distribute construct, Description] | |||
14361 | // The parameter of the collapse clause must be a constant | |||
14362 | // positive integer expression. | |||
14363 | ExprResult NumForLoopsResult = | |||
14364 | VerifyPositiveIntegerConstantInClause(NumForLoops, OMPC_collapse); | |||
14365 | if (NumForLoopsResult.isInvalid()) | |||
14366 | return nullptr; | |||
14367 | return new (Context) | |||
14368 | OMPCollapseClause(NumForLoopsResult.get(), StartLoc, LParenLoc, EndLoc); | |||
14369 | } | |||
14370 | ||||
14371 | OMPClause *Sema::ActOnOpenMPOrderedClause(SourceLocation StartLoc, | |||
14372 | SourceLocation EndLoc, | |||
14373 | SourceLocation LParenLoc, | |||
14374 | Expr *NumForLoops) { | |||
14375 | // OpenMP [2.7.1, loop construct, Description] | |||
14376 | // OpenMP [2.8.1, simd construct, Description] | |||
14377 | // OpenMP [2.9.6, distribute construct, Description] | |||
14378 | // The parameter of the ordered clause must be a constant | |||
14379 | // positive integer expression if any. | |||
14380 | if (NumForLoops && LParenLoc.isValid()) { | |||
14381 | ExprResult NumForLoopsResult = | |||
14382 | VerifyPositiveIntegerConstantInClause(NumForLoops, OMPC_ordered); | |||
14383 | if (NumForLoopsResult.isInvalid()) | |||
14384 | return nullptr; | |||
14385 | NumForLoops = NumForLoopsResult.get(); | |||
14386 | } else { | |||
14387 | NumForLoops = nullptr; | |||
14388 | } | |||
14389 | auto *Clause = OMPOrderedClause::Create( | |||
14390 | Context, NumForLoops, NumForLoops ? DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops() : 0, | |||
14391 | StartLoc, LParenLoc, EndLoc); | |||
14392 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setOrderedRegion(/*IsOrdered=*/true, NumForLoops, Clause); | |||
14393 | return Clause; | |||
14394 | } | |||
14395 | ||||
14396 | OMPClause *Sema::ActOnOpenMPSimpleClause( | |||
14397 | OpenMPClauseKind Kind, unsigned Argument, SourceLocation ArgumentLoc, | |||
14398 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { | |||
14399 | OMPClause *Res = nullptr; | |||
14400 | switch (Kind) { | |||
14401 | case OMPC_default: | |||
14402 | Res = ActOnOpenMPDefaultClause(static_cast<DefaultKind>(Argument), | |||
14403 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); | |||
14404 | break; | |||
14405 | case OMPC_proc_bind: | |||
14406 | Res = ActOnOpenMPProcBindClause(static_cast<ProcBindKind>(Argument), | |||
14407 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); | |||
14408 | break; | |||
14409 | case OMPC_atomic_default_mem_order: | |||
14410 | Res = ActOnOpenMPAtomicDefaultMemOrderClause( | |||
14411 | static_cast<OpenMPAtomicDefaultMemOrderClauseKind>(Argument), | |||
14412 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); | |||
14413 | break; | |||
14414 | case OMPC_order: | |||
14415 | Res = ActOnOpenMPOrderClause(static_cast<OpenMPOrderClauseKind>(Argument), | |||
14416 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); | |||
14417 | break; | |||
14418 | case OMPC_update: | |||
14419 | Res = ActOnOpenMPUpdateClause(static_cast<OpenMPDependClauseKind>(Argument), | |||
14420 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); | |||
14421 | break; | |||
14422 | case OMPC_if: | |||
14423 | case OMPC_final: | |||
14424 | case OMPC_num_threads: | |||
14425 | case OMPC_safelen: | |||
14426 | case OMPC_simdlen: | |||
14427 | case OMPC_sizes: | |||
14428 | case OMPC_allocator: | |||
14429 | case OMPC_collapse: | |||
14430 | case OMPC_schedule: | |||
14431 | case OMPC_private: | |||
14432 | case OMPC_firstprivate: | |||
14433 | case OMPC_lastprivate: | |||
14434 | case OMPC_shared: | |||
14435 | case OMPC_reduction: | |||
14436 | case OMPC_task_reduction: | |||
14437 | case OMPC_in_reduction: | |||
14438 | case OMPC_linear: | |||
14439 | case OMPC_aligned: | |||
14440 | case OMPC_copyin: | |||
14441 | case OMPC_copyprivate: | |||
14442 | case OMPC_ordered: | |||
14443 | case OMPC_nowait: | |||
14444 | case OMPC_untied: | |||
14445 | case OMPC_mergeable: | |||
14446 | case OMPC_threadprivate: | |||
14447 | case OMPC_allocate: | |||
14448 | case OMPC_flush: | |||
14449 | case OMPC_depobj: | |||
14450 | case OMPC_read: | |||
14451 | case OMPC_write: | |||
14452 | case OMPC_capture: | |||
14453 | case OMPC_seq_cst: | |||
14454 | case OMPC_acq_rel: | |||
14455 | case OMPC_acquire: | |||
14456 | case OMPC_release: | |||
14457 | case OMPC_relaxed: | |||
14458 | case OMPC_depend: | |||
14459 | case OMPC_device: | |||
14460 | case OMPC_threads: | |||
14461 | case OMPC_simd: | |||
14462 | case OMPC_map: | |||
14463 | case OMPC_num_teams: | |||
14464 | case OMPC_thread_limit: | |||
14465 | case OMPC_priority: | |||
14466 | case OMPC_grainsize: | |||
14467 | case OMPC_nogroup: | |||
14468 | case OMPC_num_tasks: | |||
14469 | case OMPC_hint: | |||
14470 | case OMPC_dist_schedule: | |||
14471 | case OMPC_defaultmap: | |||
14472 | case OMPC_unknown: | |||
14473 | case OMPC_uniform: | |||
14474 | case OMPC_to: | |||
14475 | case OMPC_from: | |||
14476 | case OMPC_use_device_ptr: | |||
14477 | case OMPC_use_device_addr: | |||
14478 | case OMPC_is_device_ptr: | |||
14479 | case OMPC_unified_address: | |||
14480 | case OMPC_unified_shared_memory: | |||
14481 | case OMPC_reverse_offload: | |||
14482 | case OMPC_dynamic_allocators: | |||
14483 | case OMPC_device_type: | |||
14484 | case OMPC_match: | |||
14485 | case OMPC_nontemporal: | |||
14486 | case OMPC_destroy: | |||
14487 | case OMPC_novariants: | |||
14488 | case OMPC_nocontext: | |||
14489 | case OMPC_detach: | |||
14490 | case OMPC_inclusive: | |||
14491 | case OMPC_exclusive: | |||
14492 | case OMPC_uses_allocators: | |||
14493 | case OMPC_affinity: | |||
14494 | default: | |||
14495 | llvm_unreachable("Clause is not allowed.")__builtin_unreachable(); | |||
14496 | } | |||
14497 | return Res; | |||
14498 | } | |||
14499 | ||||
14500 | static std::string | |||
14501 | getListOfPossibleValues(OpenMPClauseKind K, unsigned First, unsigned Last, | |||
14502 | ArrayRef<unsigned> Exclude = llvm::None) { | |||
14503 | SmallString<256> Buffer; | |||
14504 | llvm::raw_svector_ostream Out(Buffer); | |||
14505 | unsigned Skipped = Exclude.size(); | |||
14506 | auto S = Exclude.begin(), E = Exclude.end(); | |||
14507 | for (unsigned I = First; I < Last; ++I) { | |||
14508 | if (std::find(S, E, I) != E) { | |||
14509 | --Skipped; | |||
14510 | continue; | |||
14511 | } | |||
14512 | Out << "'" << getOpenMPSimpleClauseTypeName(K, I) << "'"; | |||
14513 | if (I + Skipped + 2 == Last) | |||
14514 | Out << " or "; | |||
14515 | else if (I + Skipped + 1 != Last) | |||
14516 | Out << ", "; | |||
14517 | } | |||
14518 | return std::string(Out.str()); | |||
14519 | } | |||
14520 | ||||
14521 | OMPClause *Sema::ActOnOpenMPDefaultClause(DefaultKind Kind, | |||
14522 | SourceLocation KindKwLoc, | |||
14523 | SourceLocation StartLoc, | |||
14524 | SourceLocation LParenLoc, | |||
14525 | SourceLocation EndLoc) { | |||
14526 | if (Kind == OMP_DEFAULT_unknown) { | |||
14527 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) | |||
14528 | << getListOfPossibleValues(OMPC_default, /*First=*/0, | |||
14529 | /*Last=*/unsigned(OMP_DEFAULT_unknown)) | |||
14530 | << getOpenMPClauseName(OMPC_default); | |||
14531 | return nullptr; | |||
14532 | } | |||
14533 | ||||
14534 | switch (Kind) { | |||
14535 | case OMP_DEFAULT_none: | |||
14536 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDSANone(KindKwLoc); | |||
14537 | break; | |||
14538 | case OMP_DEFAULT_shared: | |||
14539 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDSAShared(KindKwLoc); | |||
14540 | break; | |||
14541 | case OMP_DEFAULT_firstprivate: | |||
14542 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDSAFirstPrivate(KindKwLoc); | |||
14543 | break; | |||
14544 | default: | |||
14545 | llvm_unreachable("DSA unexpected in OpenMP default clause")__builtin_unreachable(); | |||
14546 | } | |||
14547 | ||||
14548 | return new (Context) | |||
14549 | OMPDefaultClause(Kind, KindKwLoc, StartLoc, LParenLoc, EndLoc); | |||
14550 | } | |||
14551 | ||||
14552 | OMPClause *Sema::ActOnOpenMPProcBindClause(ProcBindKind Kind, | |||
14553 | SourceLocation KindKwLoc, | |||
14554 | SourceLocation StartLoc, | |||
14555 | SourceLocation LParenLoc, | |||
14556 | SourceLocation EndLoc) { | |||
14557 | if (Kind == OMP_PROC_BIND_unknown) { | |||
14558 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) | |||
14559 | << getListOfPossibleValues(OMPC_proc_bind, | |||
14560 | /*First=*/unsigned(OMP_PROC_BIND_master), | |||
14561 | /*Last=*/ | |||
14562 | unsigned(LangOpts.OpenMP > 50 | |||
14563 | ? OMP_PROC_BIND_primary | |||
14564 | : OMP_PROC_BIND_spread) + | |||
14565 | 1) | |||
14566 | << getOpenMPClauseName(OMPC_proc_bind); | |||
14567 | return nullptr; | |||
14568 | } | |||
14569 | if (Kind == OMP_PROC_BIND_primary && LangOpts.OpenMP < 51) | |||
14570 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) | |||
14571 | << getListOfPossibleValues(OMPC_proc_bind, | |||
14572 | /*First=*/unsigned(OMP_PROC_BIND_master), | |||
14573 | /*Last=*/ | |||
14574 | unsigned(OMP_PROC_BIND_spread) + 1) | |||
14575 | << getOpenMPClauseName(OMPC_proc_bind); | |||
14576 | return new (Context) | |||
14577 | OMPProcBindClause(Kind, KindKwLoc, StartLoc, LParenLoc, EndLoc); | |||
14578 | } | |||
14579 | ||||
14580 | OMPClause *Sema::ActOnOpenMPAtomicDefaultMemOrderClause( | |||
14581 | OpenMPAtomicDefaultMemOrderClauseKind Kind, SourceLocation KindKwLoc, | |||
14582 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { | |||
14583 | if (Kind == OMPC_ATOMIC_DEFAULT_MEM_ORDER_unknown) { | |||
14584 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) | |||
14585 | << getListOfPossibleValues( | |||
14586 | OMPC_atomic_default_mem_order, /*First=*/0, | |||
14587 | /*Last=*/OMPC_ATOMIC_DEFAULT_MEM_ORDER_unknown) | |||
14588 | << getOpenMPClauseName(OMPC_atomic_default_mem_order); | |||
14589 | return nullptr; | |||
14590 | } | |||
14591 | return new (Context) OMPAtomicDefaultMemOrderClause(Kind, KindKwLoc, StartLoc, | |||
14592 | LParenLoc, EndLoc); | |||
14593 | } | |||
14594 | ||||
14595 | OMPClause *Sema::ActOnOpenMPOrderClause(OpenMPOrderClauseKind Kind, | |||
14596 | SourceLocation KindKwLoc, | |||
14597 | SourceLocation StartLoc, | |||
14598 | SourceLocation LParenLoc, | |||
14599 | SourceLocation EndLoc) { | |||
14600 | if (Kind == OMPC_ORDER_unknown) { | |||
14601 | static_assert(OMPC_ORDER_unknown > 0, | |||
14602 | "OMPC_ORDER_unknown not greater than 0"); | |||
14603 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) | |||
14604 | << getListOfPossibleValues(OMPC_order, /*First=*/0, | |||
14605 | /*Last=*/OMPC_ORDER_unknown) | |||
14606 | << getOpenMPClauseName(OMPC_order); | |||
14607 | return nullptr; | |||
14608 | } | |||
14609 | return new (Context) | |||
14610 | OMPOrderClause(Kind, KindKwLoc, StartLoc, LParenLoc, EndLoc); | |||
14611 | } | |||
14612 | ||||
14613 | OMPClause *Sema::ActOnOpenMPUpdateClause(OpenMPDependClauseKind Kind, | |||
14614 | SourceLocation KindKwLoc, | |||
14615 | SourceLocation StartLoc, | |||
14616 | SourceLocation LParenLoc, | |||
14617 | SourceLocation EndLoc) { | |||
14618 | if (Kind == OMPC_DEPEND_unknown || Kind == OMPC_DEPEND_source || | |||
14619 | Kind == OMPC_DEPEND_sink || Kind == OMPC_DEPEND_depobj) { | |||
14620 | unsigned Except[] = {OMPC_DEPEND_source, OMPC_DEPEND_sink, | |||
14621 | OMPC_DEPEND_depobj}; | |||
14622 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) | |||
14623 | << getListOfPossibleValues(OMPC_depend, /*First=*/0, | |||
14624 | /*Last=*/OMPC_DEPEND_unknown, Except) | |||
14625 | << getOpenMPClauseName(OMPC_update); | |||
14626 | return nullptr; | |||
14627 | } | |||
14628 | return OMPUpdateClause::Create(Context, StartLoc, LParenLoc, KindKwLoc, Kind, | |||
14629 | EndLoc); | |||
14630 | } | |||
14631 | ||||
14632 | OMPClause *Sema::ActOnOpenMPSizesClause(ArrayRef<Expr *> SizeExprs, | |||
14633 | SourceLocation StartLoc, | |||
14634 | SourceLocation LParenLoc, | |||
14635 | SourceLocation EndLoc) { | |||
14636 | for (Expr *SizeExpr : SizeExprs) { | |||
14637 | ExprResult NumForLoopsResult = VerifyPositiveIntegerConstantInClause( | |||
14638 | SizeExpr, OMPC_sizes, /*StrictlyPositive=*/true); | |||
14639 | if (!NumForLoopsResult.isUsable()) | |||
14640 | return nullptr; | |||
14641 | } | |||
14642 | ||||
14643 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(SizeExprs.size()); | |||
14644 | return OMPSizesClause::Create(Context, StartLoc, LParenLoc, EndLoc, | |||
14645 | SizeExprs); | |||
14646 | } | |||
14647 | ||||
14648 | OMPClause *Sema::ActOnOpenMPFullClause(SourceLocation StartLoc, | |||
14649 | SourceLocation EndLoc) { | |||
14650 | return OMPFullClause::Create(Context, StartLoc, EndLoc); | |||
14651 | } | |||
14652 | ||||
14653 | OMPClause *Sema::ActOnOpenMPPartialClause(Expr *FactorExpr, | |||
14654 | SourceLocation StartLoc, | |||
14655 | SourceLocation LParenLoc, | |||
14656 | SourceLocation EndLoc) { | |||
14657 | if (FactorExpr) { | |||
14658 | // If an argument is specified, it must be a constant (or an unevaluated | |||
14659 | // template expression). | |||
14660 | ExprResult FactorResult = VerifyPositiveIntegerConstantInClause( | |||
14661 | FactorExpr, OMPC_partial, /*StrictlyPositive=*/true); | |||
14662 | if (FactorResult.isInvalid()) | |||
14663 | return nullptr; | |||
14664 | FactorExpr = FactorResult.get(); | |||
14665 | } | |||
14666 | ||||
14667 | return OMPPartialClause::Create(Context, StartLoc, LParenLoc, EndLoc, | |||
14668 | FactorExpr); | |||
14669 | } | |||
14670 | ||||
14671 | OMPClause *Sema::ActOnOpenMPSingleExprWithArgClause( | |||
14672 | OpenMPClauseKind Kind, ArrayRef<unsigned> Argument, Expr *Expr, | |||
14673 | SourceLocation StartLoc, SourceLocation LParenLoc, | |||
14674 | ArrayRef<SourceLocation> ArgumentLoc, SourceLocation DelimLoc, | |||
14675 | SourceLocation EndLoc) { | |||
14676 | OMPClause *Res = nullptr; | |||
14677 | switch (Kind) { | |||
14678 | case OMPC_schedule: | |||
14679 | enum { Modifier1, Modifier2, ScheduleKind, NumberOfElements }; | |||
14680 | assert(Argument.size() == NumberOfElements &&((void)0) | |||
14681 | ArgumentLoc.size() == NumberOfElements)((void)0); | |||
14682 | Res = ActOnOpenMPScheduleClause( | |||
14683 | static_cast<OpenMPScheduleClauseModifier>(Argument[Modifier1]), | |||
14684 | static_cast<OpenMPScheduleClauseModifier>(Argument[Modifier2]), | |||
14685 | static_cast<OpenMPScheduleClauseKind>(Argument[ScheduleKind]), Expr, | |||
14686 | StartLoc, LParenLoc, ArgumentLoc[Modifier1], ArgumentLoc[Modifier2], | |||
14687 | ArgumentLoc[ScheduleKind], DelimLoc, EndLoc); | |||
14688 | break; | |||
14689 | case OMPC_if: | |||
14690 | assert(Argument.size() == 1 && ArgumentLoc.size() == 1)((void)0); | |||
14691 | Res = ActOnOpenMPIfClause(static_cast<OpenMPDirectiveKind>(Argument.back()), | |||
14692 | Expr, StartLoc, LParenLoc, ArgumentLoc.back(), | |||
14693 | DelimLoc, EndLoc); | |||
14694 | break; | |||
14695 | case OMPC_dist_schedule: | |||
14696 | Res = ActOnOpenMPDistScheduleClause( | |||
14697 | static_cast<OpenMPDistScheduleClauseKind>(Argument.back()), Expr, | |||
14698 | StartLoc, LParenLoc, ArgumentLoc.back(), DelimLoc, EndLoc); | |||
14699 | break; | |||
14700 | case OMPC_defaultmap: | |||
14701 | enum { Modifier, DefaultmapKind }; | |||
14702 | Res = ActOnOpenMPDefaultmapClause( | |||
14703 | static_cast<OpenMPDefaultmapClauseModifier>(Argument[Modifier]), | |||
14704 | static_cast<OpenMPDefaultmapClauseKind>(Argument[DefaultmapKind]), | |||
14705 | StartLoc, LParenLoc, ArgumentLoc[Modifier], ArgumentLoc[DefaultmapKind], | |||
14706 | EndLoc); | |||
14707 | break; | |||
14708 | case OMPC_device: | |||
14709 | assert(Argument.size() == 1 && ArgumentLoc.size() == 1)((void)0); | |||
14710 | Res = ActOnOpenMPDeviceClause( | |||
14711 | static_cast<OpenMPDeviceClauseModifier>(Argument.back()), Expr, | |||
14712 | StartLoc, LParenLoc, ArgumentLoc.back(), EndLoc); | |||
14713 | break; | |||
14714 | case OMPC_final: | |||
14715 | case OMPC_num_threads: | |||
14716 | case OMPC_safelen: | |||
14717 | case OMPC_simdlen: | |||
14718 | case OMPC_sizes: | |||
14719 | case OMPC_allocator: | |||
14720 | case OMPC_collapse: | |||
14721 | case OMPC_default: | |||
14722 | case OMPC_proc_bind: | |||
14723 | case OMPC_private: | |||
14724 | case OMPC_firstprivate: | |||
14725 | case OMPC_lastprivate: | |||
14726 | case OMPC_shared: | |||
14727 | case OMPC_reduction: | |||
14728 | case OMPC_task_reduction: | |||
14729 | case OMPC_in_reduction: | |||
14730 | case OMPC_linear: | |||
14731 | case OMPC_aligned: | |||
14732 | case OMPC_copyin: | |||
14733 | case OMPC_copyprivate: | |||
14734 | case OMPC_ordered: | |||
14735 | case OMPC_nowait: | |||
14736 | case OMPC_untied: | |||
14737 | case OMPC_mergeable: | |||
14738 | case OMPC_threadprivate: | |||
14739 | case OMPC_allocate: | |||
14740 | case OMPC_flush: | |||
14741 | case OMPC_depobj: | |||
14742 | case OMPC_read: | |||
14743 | case OMPC_write: | |||
14744 | case OMPC_update: | |||
14745 | case OMPC_capture: | |||
14746 | case OMPC_seq_cst: | |||
14747 | case OMPC_acq_rel: | |||
14748 | case OMPC_acquire: | |||
14749 | case OMPC_release: | |||
14750 | case OMPC_relaxed: | |||
14751 | case OMPC_depend: | |||
14752 | case OMPC_threads: | |||
14753 | case OMPC_simd: | |||
14754 | case OMPC_map: | |||
14755 | case OMPC_num_teams: | |||
14756 | case OMPC_thread_limit: | |||
14757 | case OMPC_priority: | |||
14758 | case OMPC_grainsize: | |||
14759 | case OMPC_nogroup: | |||
14760 | case OMPC_num_tasks: | |||
14761 | case OMPC_hint: | |||
14762 | case OMPC_unknown: | |||
14763 | case OMPC_uniform: | |||
14764 | case OMPC_to: | |||
14765 | case OMPC_from: | |||
14766 | case OMPC_use_device_ptr: | |||
14767 | case OMPC_use_device_addr: | |||
14768 | case OMPC_is_device_ptr: | |||
14769 | case OMPC_unified_address: | |||
14770 | case OMPC_unified_shared_memory: | |||
14771 | case OMPC_reverse_offload: | |||
14772 | case OMPC_dynamic_allocators: | |||
14773 | case OMPC_atomic_default_mem_order: | |||
14774 | case OMPC_device_type: | |||
14775 | case OMPC_match: | |||
14776 | case OMPC_nontemporal: | |||
14777 | case OMPC_order: | |||
14778 | case OMPC_destroy: | |||
14779 | case OMPC_novariants: | |||
14780 | case OMPC_nocontext: | |||
14781 | case OMPC_detach: | |||
14782 | case OMPC_inclusive: | |||
14783 | case OMPC_exclusive: | |||
14784 | case OMPC_uses_allocators: | |||
14785 | case OMPC_affinity: | |||
14786 | default: | |||
14787 | llvm_unreachable("Clause is not allowed.")__builtin_unreachable(); | |||
14788 | } | |||
14789 | return Res; | |||
14790 | } | |||
14791 | ||||
14792 | static bool checkScheduleModifiers(Sema &S, OpenMPScheduleClauseModifier M1, | |||
14793 | OpenMPScheduleClauseModifier M2, | |||
14794 | SourceLocation M1Loc, SourceLocation M2Loc) { | |||
14795 | if (M1 == OMPC_SCHEDULE_MODIFIER_unknown && M1Loc.isValid()) { | |||
14796 | SmallVector<unsigned, 2> Excluded; | |||
14797 | if (M2 != OMPC_SCHEDULE_MODIFIER_unknown) | |||
14798 | Excluded.push_back(M2); | |||
14799 | if (M2 == OMPC_SCHEDULE_MODIFIER_nonmonotonic) | |||
14800 | Excluded.push_back(OMPC_SCHEDULE_MODIFIER_monotonic); | |||
14801 | if (M2 == OMPC_SCHEDULE_MODIFIER_monotonic) | |||
14802 | Excluded.push_back(OMPC_SCHEDULE_MODIFIER_nonmonotonic); | |||
14803 | S.Diag(M1Loc, diag::err_omp_unexpected_clause_value) | |||
14804 | << getListOfPossibleValues(OMPC_schedule, | |||
14805 | /*First=*/OMPC_SCHEDULE_MODIFIER_unknown + 1, | |||
14806 | /*Last=*/OMPC_SCHEDULE_MODIFIER_last, | |||
14807 | Excluded) | |||
14808 | << getOpenMPClauseName(OMPC_schedule); | |||
14809 | return true; | |||
14810 | } | |||
14811 | return false; | |||
14812 | } | |||
14813 | ||||
14814 | OMPClause *Sema::ActOnOpenMPScheduleClause( | |||
14815 | OpenMPScheduleClauseModifier M1, OpenMPScheduleClauseModifier M2, | |||
14816 | OpenMPScheduleClauseKind Kind, Expr *ChunkSize, SourceLocation StartLoc, | |||
14817 | SourceLocation LParenLoc, SourceLocation M1Loc, SourceLocation M2Loc, | |||
14818 | SourceLocation KindLoc, SourceLocation CommaLoc, SourceLocation EndLoc) { | |||
14819 | if (checkScheduleModifiers(*this, M1, M2, M1Loc, M2Loc) || | |||
14820 | checkScheduleModifiers(*this, M2, M1, M2Loc, M1Loc)) | |||
14821 | return nullptr; | |||
14822 | // OpenMP, 2.7.1, Loop Construct, Restrictions | |||
14823 | // Either the monotonic modifier or the nonmonotonic modifier can be specified | |||
14824 | // but not both. | |||
14825 | if ((M1 == M2 && M1 != OMPC_SCHEDULE_MODIFIER_unknown) || | |||
14826 | (M1 == OMPC_SCHEDULE_MODIFIER_monotonic && | |||
14827 | M2 == OMPC_SCHEDULE_MODIFIER_nonmonotonic) || | |||
14828 | (M1 == OMPC_SCHEDULE_MODIFIER_nonmonotonic && | |||
14829 | M2 == OMPC_SCHEDULE_MODIFIER_monotonic)) { | |||
14830 | Diag(M2Loc, diag::err_omp_unexpected_schedule_modifier) | |||
14831 | << getOpenMPSimpleClauseTypeName(OMPC_schedule, M2) | |||
14832 | << getOpenMPSimpleClauseTypeName(OMPC_schedule, M1); | |||
14833 | return nullptr; | |||
14834 | } | |||
14835 | if (Kind == OMPC_SCHEDULE_unknown) { | |||
14836 | std::string Values; | |||
14837 | if (M1Loc.isInvalid() && M2Loc.isInvalid()) { | |||
14838 | unsigned Exclude[] = {OMPC_SCHEDULE_unknown}; | |||
14839 | Values = getListOfPossibleValues(OMPC_schedule, /*First=*/0, | |||
14840 | /*Last=*/OMPC_SCHEDULE_MODIFIER_last, | |||
14841 | Exclude); | |||
14842 | } else { | |||
14843 | Values = getListOfPossibleValues(OMPC_schedule, /*First=*/0, | |||
14844 | /*Last=*/OMPC_SCHEDULE_unknown); | |||
14845 | } | |||
14846 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) | |||
14847 | << Values << getOpenMPClauseName(OMPC_schedule); | |||
14848 | return nullptr; | |||
14849 | } | |||
14850 | // OpenMP, 2.7.1, Loop Construct, Restrictions | |||
14851 | // The nonmonotonic modifier can only be specified with schedule(dynamic) or | |||
14852 | // schedule(guided). | |||
14853 | // OpenMP 5.0 does not have this restriction. | |||
14854 | if (LangOpts.OpenMP < 50 && | |||
14855 | (M1 == OMPC_SCHEDULE_MODIFIER_nonmonotonic || | |||
14856 | M2 == OMPC_SCHEDULE_MODIFIER_nonmonotonic) && | |||
14857 | Kind != OMPC_SCHEDULE_dynamic && Kind != OMPC_SCHEDULE_guided) { | |||
14858 | Diag(M1 == OMPC_SCHEDULE_MODIFIER_nonmonotonic ? M1Loc : M2Loc, | |||
14859 | diag::err_omp_schedule_nonmonotonic_static); | |||
14860 | return nullptr; | |||
14861 | } | |||
14862 | Expr *ValExpr = ChunkSize; | |||
14863 | Stmt *HelperValStmt = nullptr; | |||
14864 | if (ChunkSize) { | |||
14865 | if (!ChunkSize->isValueDependent() && !ChunkSize->isTypeDependent() && | |||
14866 | !ChunkSize->isInstantiationDependent() && | |||
14867 | !ChunkSize->containsUnexpandedParameterPack()) { | |||
14868 | SourceLocation ChunkSizeLoc = ChunkSize->getBeginLoc(); | |||
14869 | ExprResult Val = | |||
14870 | PerformOpenMPImplicitIntegerConversion(ChunkSizeLoc, ChunkSize); | |||
14871 | if (Val.isInvalid()) | |||
14872 | return nullptr; | |||
14873 | ||||
14874 | ValExpr = Val.get(); | |||
14875 | ||||
14876 | // OpenMP [2.7.1, Restrictions] | |||
14877 | // chunk_size must be a loop invariant integer expression with a positive | |||
14878 | // value. | |||
14879 | if (Optional<llvm::APSInt> Result = | |||
14880 | ValExpr->getIntegerConstantExpr(Context)) { | |||
14881 | if (Result->isSigned() && !Result->isStrictlyPositive()) { | |||
14882 | Diag(ChunkSizeLoc, diag::err_omp_negative_expression_in_clause) | |||
14883 | << "schedule" << 1 << ChunkSize->getSourceRange(); | |||
14884 | return nullptr; | |||
14885 | } | |||
14886 | } else if (getOpenMPCaptureRegionForClause( | |||
14887 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), OMPC_schedule, | |||
14888 | LangOpts.OpenMP) != OMPD_unknown && | |||
14889 | !CurContext->isDependentContext()) { | |||
14890 | ValExpr = MakeFullExpr(ValExpr).get(); | |||
14891 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | |||
14892 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | |||
14893 | HelperValStmt = buildPreInits(Context, Captures); | |||
14894 | } | |||
14895 | } | |||
14896 | } | |||
14897 | ||||
14898 | return new (Context) | |||
14899 | OMPScheduleClause(StartLoc, LParenLoc, KindLoc, CommaLoc, EndLoc, Kind, | |||
14900 | ValExpr, HelperValStmt, M1, M1Loc, M2, M2Loc); | |||
14901 | } | |||
14902 | ||||
14903 | OMPClause *Sema::ActOnOpenMPClause(OpenMPClauseKind Kind, | |||
14904 | SourceLocation StartLoc, | |||
14905 | SourceLocation EndLoc) { | |||
14906 | OMPClause *Res = nullptr; | |||
14907 | switch (Kind) { | |||
14908 | case OMPC_ordered: | |||
14909 | Res = ActOnOpenMPOrderedClause(StartLoc, EndLoc); | |||
14910 | break; | |||
14911 | case OMPC_nowait: | |||
14912 | Res = ActOnOpenMPNowaitClause(StartLoc, EndLoc); | |||
14913 | break; | |||
14914 | case OMPC_untied: | |||
14915 | Res = ActOnOpenMPUntiedClause(StartLoc, EndLoc); | |||
14916 | break; | |||
14917 | case OMPC_mergeable: | |||
14918 | Res = ActOnOpenMPMergeableClause(StartLoc, EndLoc); | |||
14919 | break; | |||
14920 | case OMPC_read: | |||
14921 | Res = ActOnOpenMPReadClause(StartLoc, EndLoc); | |||
14922 | break; | |||
14923 | case OMPC_write: | |||
14924 | Res = ActOnOpenMPWriteClause(StartLoc, EndLoc); | |||
14925 | break; | |||
14926 | case OMPC_update: | |||
14927 | Res = ActOnOpenMPUpdateClause(StartLoc, EndLoc); | |||
14928 | break; | |||
14929 | case OMPC_capture: | |||
14930 | Res = ActOnOpenMPCaptureClause(StartLoc, EndLoc); | |||
14931 | break; | |||
14932 | case OMPC_seq_cst: | |||
14933 | Res = ActOnOpenMPSeqCstClause(StartLoc, EndLoc); | |||
14934 | break; | |||
14935 | case OMPC_acq_rel: | |||
14936 | Res = ActOnOpenMPAcqRelClause(StartLoc, EndLoc); | |||
14937 | break; | |||
14938 | case OMPC_acquire: | |||
14939 | Res = ActOnOpenMPAcquireClause(StartLoc, EndLoc); | |||
14940 | break; | |||
14941 | case OMPC_release: | |||
14942 | Res = ActOnOpenMPReleaseClause(StartLoc, EndLoc); | |||
14943 | break; | |||
14944 | case OMPC_relaxed: | |||
14945 | Res = ActOnOpenMPRelaxedClause(StartLoc, EndLoc); | |||
14946 | break; | |||
14947 | case OMPC_threads: | |||
14948 | Res = ActOnOpenMPThreadsClause(StartLoc, EndLoc); | |||
14949 | break; | |||
14950 | case OMPC_simd: | |||
14951 | Res = ActOnOpenMPSIMDClause(StartLoc, EndLoc); | |||
14952 | break; | |||
14953 | case OMPC_nogroup: | |||
14954 | Res = ActOnOpenMPNogroupClause(StartLoc, EndLoc); | |||
14955 | break; | |||
14956 | case OMPC_unified_address: | |||
14957 | Res = ActOnOpenMPUnifiedAddressClause(StartLoc, EndLoc); | |||
14958 | break; | |||
14959 | case OMPC_unified_shared_memory: | |||
14960 | Res = ActOnOpenMPUnifiedSharedMemoryClause(StartLoc, EndLoc); | |||
14961 | break; | |||
14962 | case OMPC_reverse_offload: | |||
14963 | Res = ActOnOpenMPReverseOffloadClause(StartLoc, EndLoc); | |||
14964 | break; | |||
14965 | case OMPC_dynamic_allocators: | |||
14966 | Res = ActOnOpenMPDynamicAllocatorsClause(StartLoc, EndLoc); | |||
14967 | break; | |||
14968 | case OMPC_destroy: | |||
14969 | Res = ActOnOpenMPDestroyClause(/*InteropVar=*/nullptr, StartLoc, | |||
14970 | /*LParenLoc=*/SourceLocation(), | |||
14971 | /*VarLoc=*/SourceLocation(), EndLoc); | |||
14972 | break; | |||
14973 | case OMPC_full: | |||
14974 | Res = ActOnOpenMPFullClause(StartLoc, EndLoc); | |||
14975 | break; | |||
14976 | case OMPC_partial: | |||
14977 | Res = ActOnOpenMPPartialClause(nullptr, StartLoc, /*LParenLoc=*/{}, EndLoc); | |||
14978 | break; | |||
14979 | case OMPC_if: | |||
14980 | case OMPC_final: | |||
14981 | case OMPC_num_threads: | |||
14982 | case OMPC_safelen: | |||
14983 | case OMPC_simdlen: | |||
14984 | case OMPC_sizes: | |||
14985 | case OMPC_allocator: | |||
14986 | case OMPC_collapse: | |||
14987 | case OMPC_schedule: | |||
14988 | case OMPC_private: | |||
14989 | case OMPC_firstprivate: | |||
14990 | case OMPC_lastprivate: | |||
14991 | case OMPC_shared: | |||
14992 | case OMPC_reduction: | |||
14993 | case OMPC_task_reduction: | |||
14994 | case OMPC_in_reduction: | |||
14995 | case OMPC_linear: | |||
14996 | case OMPC_aligned: | |||
14997 | case OMPC_copyin: | |||
14998 | case OMPC_copyprivate: | |||
14999 | case OMPC_default: | |||
15000 | case OMPC_proc_bind: | |||
15001 | case OMPC_threadprivate: | |||
15002 | case OMPC_allocate: | |||
15003 | case OMPC_flush: | |||
15004 | case OMPC_depobj: | |||
15005 | case OMPC_depend: | |||
15006 | case OMPC_device: | |||
15007 | case OMPC_map: | |||
15008 | case OMPC_num_teams: | |||
15009 | case OMPC_thread_limit: | |||
15010 | case OMPC_priority: | |||
15011 | case OMPC_grainsize: | |||
15012 | case OMPC_num_tasks: | |||
15013 | case OMPC_hint: | |||
15014 | case OMPC_dist_schedule: | |||
15015 | case OMPC_defaultmap: | |||
15016 | case OMPC_unknown: | |||
15017 | case OMPC_uniform: | |||
15018 | case OMPC_to: | |||
15019 | case OMPC_from: | |||
15020 | case OMPC_use_device_ptr: | |||
15021 | case OMPC_use_device_addr: | |||
15022 | case OMPC_is_device_ptr: | |||
15023 | case OMPC_atomic_default_mem_order: | |||
15024 | case OMPC_device_type: | |||
15025 | case OMPC_match: | |||
15026 | case OMPC_nontemporal: | |||
15027 | case OMPC_order: | |||
15028 | case OMPC_novariants: | |||
15029 | case OMPC_nocontext: | |||
15030 | case OMPC_detach: | |||
15031 | case OMPC_inclusive: | |||
15032 | case OMPC_exclusive: | |||
15033 | case OMPC_uses_allocators: | |||
15034 | case OMPC_affinity: | |||
15035 | default: | |||
15036 | llvm_unreachable("Clause is not allowed.")__builtin_unreachable(); | |||
15037 | } | |||
15038 | return Res; | |||
15039 | } | |||
15040 | ||||
15041 | OMPClause *Sema::ActOnOpenMPNowaitClause(SourceLocation StartLoc, | |||
15042 | SourceLocation EndLoc) { | |||
15043 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setNowaitRegion(); | |||
15044 | return new (Context) OMPNowaitClause(StartLoc, EndLoc); | |||
15045 | } | |||
15046 | ||||
15047 | OMPClause *Sema::ActOnOpenMPUntiedClause(SourceLocation StartLoc, | |||
15048 | SourceLocation EndLoc) { | |||
15049 | return new (Context) OMPUntiedClause(StartLoc, EndLoc); | |||
15050 | } | |||
15051 | ||||
15052 | OMPClause *Sema::ActOnOpenMPMergeableClause(SourceLocation StartLoc, | |||
15053 | SourceLocation EndLoc) { | |||
15054 | return new (Context) OMPMergeableClause(StartLoc, EndLoc); | |||
15055 | } | |||
15056 | ||||
15057 | OMPClause *Sema::ActOnOpenMPReadClause(SourceLocation StartLoc, | |||
15058 | SourceLocation EndLoc) { | |||
15059 | return new (Context) OMPReadClause(StartLoc, EndLoc); | |||
15060 | } | |||
15061 | ||||
15062 | OMPClause *Sema::ActOnOpenMPWriteClause(SourceLocation StartLoc, | |||
15063 | SourceLocation EndLoc) { | |||
15064 | return new (Context) OMPWriteClause(StartLoc, EndLoc); | |||
15065 | } | |||
15066 | ||||
15067 | OMPClause *Sema::ActOnOpenMPUpdateClause(SourceLocation StartLoc, | |||
15068 | SourceLocation EndLoc) { | |||
15069 | return OMPUpdateClause::Create(Context, StartLoc, EndLoc); | |||
15070 | } | |||
15071 | ||||
15072 | OMPClause *Sema::ActOnOpenMPCaptureClause(SourceLocation StartLoc, | |||
15073 | SourceLocation EndLoc) { | |||
15074 | return new (Context) OMPCaptureClause(StartLoc, EndLoc); | |||
15075 | } | |||
15076 | ||||
15077 | OMPClause *Sema::ActOnOpenMPSeqCstClause(SourceLocation StartLoc, | |||
15078 | SourceLocation EndLoc) { | |||
15079 | return new (Context) OMPSeqCstClause(StartLoc, EndLoc); | |||
15080 | } | |||
15081 | ||||
15082 | OMPClause *Sema::ActOnOpenMPAcqRelClause(SourceLocation StartLoc, | |||
15083 | SourceLocation EndLoc) { | |||
15084 | return new (Context) OMPAcqRelClause(StartLoc, EndLoc); | |||
15085 | } | |||
15086 | ||||
15087 | OMPClause *Sema::ActOnOpenMPAcquireClause(SourceLocation StartLoc, | |||
15088 | SourceLocation EndLoc) { | |||
15089 | return new (Context) OMPAcquireClause(StartLoc, EndLoc); | |||
15090 | } | |||
15091 | ||||
15092 | OMPClause *Sema::ActOnOpenMPReleaseClause(SourceLocation StartLoc, | |||
15093 | SourceLocation EndLoc) { | |||
15094 | return new (Context) OMPReleaseClause(StartLoc, EndLoc); | |||
15095 | } | |||
15096 | ||||
15097 | OMPClause *Sema::ActOnOpenMPRelaxedClause(SourceLocation StartLoc, | |||
15098 | SourceLocation EndLoc) { | |||
15099 | return new (Context) OMPRelaxedClause(StartLoc, EndLoc); | |||
15100 | } | |||
15101 | ||||
15102 | OMPClause *Sema::ActOnOpenMPThreadsClause(SourceLocation StartLoc, | |||
15103 | SourceLocation EndLoc) { | |||
15104 | return new (Context) OMPThreadsClause(StartLoc, EndLoc); | |||
15105 | } | |||
15106 | ||||
15107 | OMPClause *Sema::ActOnOpenMPSIMDClause(SourceLocation StartLoc, | |||
15108 | SourceLocation EndLoc) { | |||
15109 | return new (Context) OMPSIMDClause(StartLoc, EndLoc); | |||
15110 | } | |||
15111 | ||||
15112 | OMPClause *Sema::ActOnOpenMPNogroupClause(SourceLocation StartLoc, | |||
15113 | SourceLocation EndLoc) { | |||
15114 | return new (Context) OMPNogroupClause(StartLoc, EndLoc); | |||
15115 | } | |||
15116 | ||||
15117 | OMPClause *Sema::ActOnOpenMPUnifiedAddressClause(SourceLocation StartLoc, | |||
15118 | SourceLocation EndLoc) { | |||
15119 | return new (Context) OMPUnifiedAddressClause(StartLoc, EndLoc); | |||
15120 | } | |||
15121 | ||||
15122 | OMPClause *Sema::ActOnOpenMPUnifiedSharedMemoryClause(SourceLocation StartLoc, | |||
15123 | SourceLocation EndLoc) { | |||
15124 | return new (Context) OMPUnifiedSharedMemoryClause(StartLoc, EndLoc); | |||
15125 | } | |||
15126 | ||||
15127 | OMPClause *Sema::ActOnOpenMPReverseOffloadClause(SourceLocation StartLoc, | |||
15128 | SourceLocation EndLoc) { | |||
15129 | return new (Context) OMPReverseOffloadClause(StartLoc, EndLoc); | |||
15130 | } | |||
15131 | ||||
15132 | OMPClause *Sema::ActOnOpenMPDynamicAllocatorsClause(SourceLocation StartLoc, | |||
15133 | SourceLocation EndLoc) { | |||
15134 | return new (Context) OMPDynamicAllocatorsClause(StartLoc, EndLoc); | |||
15135 | } | |||
15136 | ||||
15137 | StmtResult Sema::ActOnOpenMPInteropDirective(ArrayRef<OMPClause *> Clauses, | |||
15138 | SourceLocation StartLoc, | |||
15139 | SourceLocation EndLoc) { | |||
15140 | ||||
15141 | // OpenMP 5.1 [2.15.1, interop Construct, Restrictions] | |||
15142 | // At least one action-clause must appear on a directive. | |||
15143 | if (!hasClauses(Clauses, OMPC_init, OMPC_use, OMPC_destroy, OMPC_nowait)) { | |||
15144 | StringRef Expected = "'init', 'use', 'destroy', or 'nowait'"; | |||
15145 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) | |||
15146 | << Expected << getOpenMPDirectiveName(OMPD_interop); | |||
15147 | return StmtError(); | |||
15148 | } | |||
15149 | ||||
15150 | // OpenMP 5.1 [2.15.1, interop Construct, Restrictions] | |||
15151 | // A depend clause can only appear on the directive if a targetsync | |||
15152 | // interop-type is present or the interop-var was initialized with | |||
15153 | // the targetsync interop-type. | |||
15154 | ||||
15155 | // If there is any 'init' clause diagnose if there is no 'init' clause with | |||
15156 | // interop-type of 'targetsync'. Cases involving other directives cannot be | |||
15157 | // diagnosed. | |||
15158 | const OMPDependClause *DependClause = nullptr; | |||
15159 | bool HasInitClause = false; | |||
15160 | bool IsTargetSync = false; | |||
15161 | for (const OMPClause *C : Clauses) { | |||
15162 | if (IsTargetSync) | |||
15163 | break; | |||
15164 | if (const auto *InitClause = dyn_cast<OMPInitClause>(C)) { | |||
15165 | HasInitClause = true; | |||
15166 | if (InitClause->getIsTargetSync()) | |||
15167 | IsTargetSync = true; | |||
15168 | } else if (const auto *DC = dyn_cast<OMPDependClause>(C)) { | |||
15169 | DependClause = DC; | |||
15170 | } | |||
15171 | } | |||
15172 | if (DependClause && HasInitClause && !IsTargetSync) { | |||
15173 | Diag(DependClause->getBeginLoc(), diag::err_omp_interop_bad_depend_clause); | |||
15174 | return StmtError(); | |||
15175 | } | |||
15176 | ||||
15177 | // OpenMP 5.1 [2.15.1, interop Construct, Restrictions] | |||
15178 | // Each interop-var may be specified for at most one action-clause of each | |||
15179 | // interop construct. | |||
15180 | llvm::SmallPtrSet<const VarDecl *, 4> InteropVars; | |||
15181 | for (const OMPClause *C : Clauses) { | |||
15182 | OpenMPClauseKind ClauseKind = C->getClauseKind(); | |||
15183 | const DeclRefExpr *DRE = nullptr; | |||
15184 | SourceLocation VarLoc; | |||
15185 | ||||
15186 | if (ClauseKind == OMPC_init) { | |||
15187 | const auto *IC = cast<OMPInitClause>(C); | |||
15188 | VarLoc = IC->getVarLoc(); | |||
15189 | DRE = dyn_cast_or_null<DeclRefExpr>(IC->getInteropVar()); | |||
15190 | } else if (ClauseKind == OMPC_use) { | |||
15191 | const auto *UC = cast<OMPUseClause>(C); | |||
15192 | VarLoc = UC->getVarLoc(); | |||
15193 | DRE = dyn_cast_or_null<DeclRefExpr>(UC->getInteropVar()); | |||
15194 | } else if (ClauseKind == OMPC_destroy) { | |||
15195 | const auto *DC = cast<OMPDestroyClause>(C); | |||
15196 | VarLoc = DC->getVarLoc(); | |||
15197 | DRE = dyn_cast_or_null<DeclRefExpr>(DC->getInteropVar()); | |||
15198 | } | |||
15199 | ||||
15200 | if (!DRE) | |||
15201 | continue; | |||
15202 | ||||
15203 | if (const auto *VD = dyn_cast<VarDecl>(DRE->getDecl())) { | |||
15204 | if (!InteropVars.insert(VD->getCanonicalDecl()).second) { | |||
15205 | Diag(VarLoc, diag::err_omp_interop_var_multiple_actions) << VD; | |||
15206 | return StmtError(); | |||
15207 | } | |||
15208 | } | |||
15209 | } | |||
15210 | ||||
15211 | return OMPInteropDirective::Create(Context, StartLoc, EndLoc, Clauses); | |||
15212 | } | |||
15213 | ||||
15214 | static bool isValidInteropVariable(Sema &SemaRef, Expr *InteropVarExpr, | |||
15215 | SourceLocation VarLoc, | |||
15216 | OpenMPClauseKind Kind) { | |||
15217 | if (InteropVarExpr->isValueDependent() || InteropVarExpr->isTypeDependent() || | |||
15218 | InteropVarExpr->isInstantiationDependent() || | |||
15219 | InteropVarExpr->containsUnexpandedParameterPack()) | |||
15220 | return true; | |||
15221 | ||||
15222 | const auto *DRE = dyn_cast<DeclRefExpr>(InteropVarExpr); | |||
15223 | if (!DRE || !isa<VarDecl>(DRE->getDecl())) { | |||
15224 | SemaRef.Diag(VarLoc, diag::err_omp_interop_variable_expected) << 0; | |||
15225 | return false; | |||
15226 | } | |||
15227 | ||||
15228 | // Interop variable should be of type omp_interop_t. | |||
15229 | bool HasError = false; | |||
15230 | QualType InteropType; | |||
15231 | LookupResult Result(SemaRef, &SemaRef.Context.Idents.get("omp_interop_t"), | |||
15232 | VarLoc, Sema::LookupOrdinaryName); | |||
15233 | if (SemaRef.LookupName(Result, SemaRef.getCurScope())) { | |||
15234 | NamedDecl *ND = Result.getFoundDecl(); | |||
15235 | if (const auto *TD = dyn_cast<TypeDecl>(ND)) { | |||
15236 | InteropType = QualType(TD->getTypeForDecl(), 0); | |||
15237 | } else { | |||
15238 | HasError = true; | |||
15239 | } | |||
15240 | } else { | |||
15241 | HasError = true; | |||
15242 | } | |||
15243 | ||||
15244 | if (HasError) { | |||
15245 | SemaRef.Diag(VarLoc, diag::err_omp_implied_type_not_found) | |||
15246 | << "omp_interop_t"; | |||
15247 | return false; | |||
15248 | } | |||
15249 | ||||
15250 | QualType VarType = InteropVarExpr->getType().getUnqualifiedType(); | |||
15251 | if (!SemaRef.Context.hasSameType(InteropType, VarType)) { | |||
15252 | SemaRef.Diag(VarLoc, diag::err_omp_interop_variable_wrong_type); | |||
15253 | return false; | |||
15254 | } | |||
15255 | ||||
15256 | // OpenMP 5.1 [2.15.1, interop Construct, Restrictions] | |||
15257 | // The interop-var passed to init or destroy must be non-const. | |||
15258 | if ((Kind == OMPC_init || Kind == OMPC_destroy) && | |||
15259 | isConstNotMutableType(SemaRef, InteropVarExpr->getType())) { | |||
15260 | SemaRef.Diag(VarLoc, diag::err_omp_interop_variable_expected) | |||
15261 | << /*non-const*/ 1; | |||
15262 | return false; | |||
15263 | } | |||
15264 | return true; | |||
15265 | } | |||
15266 | ||||
15267 | OMPClause * | |||
15268 | Sema::ActOnOpenMPInitClause(Expr *InteropVar, ArrayRef<Expr *> PrefExprs, | |||
15269 | bool IsTarget, bool IsTargetSync, | |||
15270 | SourceLocation StartLoc, SourceLocation LParenLoc, | |||
15271 | SourceLocation VarLoc, SourceLocation EndLoc) { | |||
15272 | ||||
15273 | if (!isValidInteropVariable(*this, InteropVar, VarLoc, OMPC_init)) | |||
15274 | return nullptr; | |||
15275 | ||||
15276 | // Check prefer_type values. These foreign-runtime-id values are either | |||
15277 | // string literals or constant integral expressions. | |||
15278 | for (const Expr *E : PrefExprs) { | |||
15279 | if (E->isValueDependent() || E->isTypeDependent() || | |||
15280 | E->isInstantiationDependent() || E->containsUnexpandedParameterPack()) | |||
15281 | continue; | |||
15282 | if (E->isIntegerConstantExpr(Context)) | |||
15283 | continue; | |||
15284 | if (isa<StringLiteral>(E)) | |||
15285 | continue; | |||
15286 | Diag(E->getExprLoc(), diag::err_omp_interop_prefer_type); | |||
15287 | return nullptr; | |||
15288 | } | |||
15289 | ||||
15290 | return OMPInitClause::Create(Context, InteropVar, PrefExprs, IsTarget, | |||
15291 | IsTargetSync, StartLoc, LParenLoc, VarLoc, | |||
15292 | EndLoc); | |||
15293 | } | |||
15294 | ||||
15295 | OMPClause *Sema::ActOnOpenMPUseClause(Expr *InteropVar, SourceLocation StartLoc, | |||
15296 | SourceLocation LParenLoc, | |||
15297 | SourceLocation VarLoc, | |||
15298 | SourceLocation EndLoc) { | |||
15299 | ||||
15300 | if (!isValidInteropVariable(*this, InteropVar, VarLoc, OMPC_use)) | |||
15301 | return nullptr; | |||
15302 | ||||
15303 | return new (Context) | |||
15304 | OMPUseClause(InteropVar, StartLoc, LParenLoc, VarLoc, EndLoc); | |||
15305 | } | |||
15306 | ||||
15307 | OMPClause *Sema::ActOnOpenMPDestroyClause(Expr *InteropVar, | |||
15308 | SourceLocation StartLoc, | |||
15309 | SourceLocation LParenLoc, | |||
15310 | SourceLocation VarLoc, | |||
15311 | SourceLocation EndLoc) { | |||
15312 | if (InteropVar && | |||
15313 | !isValidInteropVariable(*this, InteropVar, VarLoc, OMPC_destroy)) | |||
15314 | return nullptr; | |||
15315 | ||||
15316 | return new (Context) | |||
15317 | OMPDestroyClause(InteropVar, StartLoc, LParenLoc, VarLoc, EndLoc); | |||
15318 | } | |||
15319 | ||||
15320 | OMPClause *Sema::ActOnOpenMPNovariantsClause(Expr *Condition, | |||
15321 | SourceLocation StartLoc, | |||
15322 | SourceLocation LParenLoc, | |||
15323 | SourceLocation EndLoc) { | |||
15324 | Expr *ValExpr = Condition; | |||
15325 | Stmt *HelperValStmt = nullptr; | |||
15326 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | |||
15327 | if (!Condition->isValueDependent() && !Condition->isTypeDependent() && | |||
15328 | !Condition->isInstantiationDependent() && | |||
15329 | !Condition->containsUnexpandedParameterPack()) { | |||
15330 | ExprResult Val = CheckBooleanCondition(StartLoc, Condition); | |||
15331 | if (Val.isInvalid()) | |||
15332 | return nullptr; | |||
15333 | ||||
15334 | ValExpr = MakeFullExpr(Val.get()).get(); | |||
15335 | ||||
15336 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | |||
15337 | CaptureRegion = getOpenMPCaptureRegionForClause(DKind, OMPC_novariants, | |||
15338 | LangOpts.OpenMP); | |||
15339 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | |||
15340 | ValExpr = MakeFullExpr(ValExpr).get(); | |||
15341 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | |||
15342 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | |||
15343 | HelperValStmt = buildPreInits(Context, Captures); | |||
15344 | } | |||
15345 | } | |||
15346 | ||||
15347 | return new (Context) OMPNovariantsClause( | |||
15348 | ValExpr, HelperValStmt, CaptureRegion, StartLoc, LParenLoc, EndLoc); | |||
15349 | } | |||
15350 | ||||
15351 | OMPClause *Sema::ActOnOpenMPNocontextClause(Expr *Condition, | |||
15352 | SourceLocation StartLoc, | |||
15353 | SourceLocation LParenLoc, | |||
15354 | SourceLocation EndLoc) { | |||
15355 | Expr *ValExpr = Condition; | |||
15356 | Stmt *HelperValStmt = nullptr; | |||
15357 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | |||
15358 | if (!Condition->isValueDependent() && !Condition->isTypeDependent() && | |||
15359 | !Condition->isInstantiationDependent() && | |||
15360 | !Condition->containsUnexpandedParameterPack()) { | |||
15361 | ExprResult Val = CheckBooleanCondition(StartLoc, Condition); | |||
15362 | if (Val.isInvalid()) | |||
15363 | return nullptr; | |||
15364 | ||||
15365 | ValExpr = MakeFullExpr(Val.get()).get(); | |||
15366 | ||||
15367 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | |||
15368 | CaptureRegion = | |||
15369 | getOpenMPCaptureRegionForClause(DKind, OMPC_nocontext, LangOpts.OpenMP); | |||
15370 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | |||
15371 | ValExpr = MakeFullExpr(ValExpr).get(); | |||
15372 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | |||
15373 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | |||
15374 | HelperValStmt = buildPreInits(Context, Captures); | |||
15375 | } | |||
15376 | } | |||
15377 | ||||
15378 | return new (Context) OMPNocontextClause(ValExpr, HelperValStmt, CaptureRegion, | |||
15379 | StartLoc, LParenLoc, EndLoc); | |||
15380 | } | |||
15381 | ||||
15382 | OMPClause *Sema::ActOnOpenMPFilterClause(Expr *ThreadID, | |||
15383 | SourceLocation StartLoc, | |||
15384 | SourceLocation LParenLoc, | |||
15385 | SourceLocation EndLoc) { | |||
15386 | Expr *ValExpr = ThreadID; | |||
15387 | Stmt *HelperValStmt = nullptr; | |||
15388 | ||||
15389 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | |||
15390 | OpenMPDirectiveKind CaptureRegion = | |||
15391 | getOpenMPCaptureRegionForClause(DKind, OMPC_filter, LangOpts.OpenMP); | |||
15392 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | |||
15393 | ValExpr = MakeFullExpr(ValExpr).get(); | |||
15394 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | |||
15395 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | |||
15396 | HelperValStmt = buildPreInits(Context, Captures); | |||
15397 | } | |||
15398 | ||||
15399 | return new (Context) OMPFilterClause(ValExpr, HelperValStmt, CaptureRegion, | |||
15400 | StartLoc, LParenLoc, EndLoc); | |||
15401 | } | |||
15402 | ||||
15403 | OMPClause *Sema::ActOnOpenMPVarListClause( | |||
15404 | OpenMPClauseKind Kind, ArrayRef<Expr *> VarList, Expr *DepModOrTailExpr, | |||
15405 | const OMPVarListLocTy &Locs, SourceLocation ColonLoc, | |||
15406 | CXXScopeSpec &ReductionOrMapperIdScopeSpec, | |||
15407 | DeclarationNameInfo &ReductionOrMapperId, int ExtraModifier, | |||
15408 | ArrayRef<OpenMPMapModifierKind> MapTypeModifiers, | |||
15409 | ArrayRef<SourceLocation> MapTypeModifiersLoc, bool IsMapTypeImplicit, | |||
15410 | SourceLocation ExtraModifierLoc, | |||
15411 | ArrayRef<OpenMPMotionModifierKind> MotionModifiers, | |||
15412 | ArrayRef<SourceLocation> MotionModifiersLoc) { | |||
15413 | SourceLocation StartLoc = Locs.StartLoc; | |||
15414 | SourceLocation LParenLoc = Locs.LParenLoc; | |||
15415 | SourceLocation EndLoc = Locs.EndLoc; | |||
15416 | OMPClause *Res = nullptr; | |||
15417 | switch (Kind) { | |||
15418 | case OMPC_private: | |||
15419 | Res = ActOnOpenMPPrivateClause(VarList, StartLoc, LParenLoc, EndLoc); | |||
15420 | break; | |||
15421 | case OMPC_firstprivate: | |||
15422 | Res = ActOnOpenMPFirstprivateClause(VarList, StartLoc, LParenLoc, EndLoc); | |||
15423 | break; | |||
15424 | case OMPC_lastprivate: | |||
15425 | assert(0 <= ExtraModifier && ExtraModifier <= OMPC_LASTPRIVATE_unknown &&((void)0) | |||
15426 | "Unexpected lastprivate modifier.")((void)0); | |||
15427 | Res = ActOnOpenMPLastprivateClause( | |||
15428 | VarList, static_cast<OpenMPLastprivateModifier>(ExtraModifier), | |||
15429 | ExtraModifierLoc, ColonLoc, StartLoc, LParenLoc, EndLoc); | |||
15430 | break; | |||
15431 | case OMPC_shared: | |||
15432 | Res = ActOnOpenMPSharedClause(VarList, StartLoc, LParenLoc, EndLoc); | |||
15433 | break; | |||
15434 | case OMPC_reduction: | |||
15435 | assert(0 <= ExtraModifier && ExtraModifier <= OMPC_REDUCTION_unknown &&((void)0) | |||
15436 | "Unexpected lastprivate modifier.")((void)0); | |||
15437 | Res = ActOnOpenMPReductionClause( | |||
15438 | VarList, static_cast<OpenMPReductionClauseModifier>(ExtraModifier), | |||
15439 | StartLoc, LParenLoc, ExtraModifierLoc, ColonLoc, EndLoc, | |||
15440 | ReductionOrMapperIdScopeSpec, ReductionOrMapperId); | |||
15441 | break; | |||
15442 | case OMPC_task_reduction: | |||
15443 | Res = ActOnOpenMPTaskReductionClause(VarList, StartLoc, LParenLoc, ColonLoc, | |||
15444 | EndLoc, ReductionOrMapperIdScopeSpec, | |||
15445 | ReductionOrMapperId); | |||
15446 | break; | |||
15447 | case OMPC_in_reduction: | |||
15448 | Res = ActOnOpenMPInReductionClause(VarList, StartLoc, LParenLoc, ColonLoc, | |||
15449 | EndLoc, ReductionOrMapperIdScopeSpec, | |||
15450 | ReductionOrMapperId); | |||
15451 | break; | |||
15452 | case OMPC_linear: | |||
15453 | assert(0 <= ExtraModifier && ExtraModifier <= OMPC_LINEAR_unknown &&((void)0) | |||
15454 | "Unexpected linear modifier.")((void)0); | |||
15455 | Res = ActOnOpenMPLinearClause( | |||
15456 | VarList, DepModOrTailExpr, StartLoc, LParenLoc, | |||
15457 | static_cast<OpenMPLinearClauseKind>(ExtraModifier), ExtraModifierLoc, | |||
15458 | ColonLoc, EndLoc); | |||
15459 | break; | |||
15460 | case OMPC_aligned: | |||
15461 | Res = ActOnOpenMPAlignedClause(VarList, DepModOrTailExpr, StartLoc, | |||
15462 | LParenLoc, ColonLoc, EndLoc); | |||
15463 | break; | |||
15464 | case OMPC_copyin: | |||
15465 | Res = ActOnOpenMPCopyinClause(VarList, StartLoc, LParenLoc, EndLoc); | |||
15466 | break; | |||
15467 | case OMPC_copyprivate: | |||
15468 | Res = ActOnOpenMPCopyprivateClause(VarList, StartLoc, LParenLoc, EndLoc); | |||
15469 | break; | |||
15470 | case OMPC_flush: | |||
15471 | Res = ActOnOpenMPFlushClause(VarList, StartLoc, LParenLoc, EndLoc); | |||
15472 | break; | |||
15473 | case OMPC_depend: | |||
15474 | assert(0 <= ExtraModifier && ExtraModifier <= OMPC_DEPEND_unknown &&((void)0) | |||
15475 | "Unexpected depend modifier.")((void)0); | |||
15476 | Res = ActOnOpenMPDependClause( | |||
15477 | DepModOrTailExpr, static_cast<OpenMPDependClauseKind>(ExtraModifier), | |||
15478 | ExtraModifierLoc, ColonLoc, VarList, StartLoc, LParenLoc, EndLoc); | |||
15479 | break; | |||
15480 | case OMPC_map: | |||
15481 | assert(0 <= ExtraModifier && ExtraModifier <= OMPC_MAP_unknown &&((void)0) | |||
15482 | "Unexpected map modifier.")((void)0); | |||
15483 | Res = ActOnOpenMPMapClause( | |||
15484 | MapTypeModifiers, MapTypeModifiersLoc, ReductionOrMapperIdScopeSpec, | |||
15485 | ReductionOrMapperId, static_cast<OpenMPMapClauseKind>(ExtraModifier), | |||
15486 | IsMapTypeImplicit, ExtraModifierLoc, ColonLoc, VarList, Locs); | |||
15487 | break; | |||
15488 | case OMPC_to: | |||
15489 | Res = ActOnOpenMPToClause(MotionModifiers, MotionModifiersLoc, | |||
15490 | ReductionOrMapperIdScopeSpec, ReductionOrMapperId, | |||
15491 | ColonLoc, VarList, Locs); | |||
15492 | break; | |||
15493 | case OMPC_from: | |||
15494 | Res = ActOnOpenMPFromClause(MotionModifiers, MotionModifiersLoc, | |||
15495 | ReductionOrMapperIdScopeSpec, | |||
15496 | ReductionOrMapperId, ColonLoc, VarList, Locs); | |||
15497 | break; | |||
15498 | case OMPC_use_device_ptr: | |||
15499 | Res = ActOnOpenMPUseDevicePtrClause(VarList, Locs); | |||
15500 | break; | |||
15501 | case OMPC_use_device_addr: | |||
15502 | Res = ActOnOpenMPUseDeviceAddrClause(VarList, Locs); | |||
15503 | break; | |||
15504 | case OMPC_is_device_ptr: | |||
15505 | Res = ActOnOpenMPIsDevicePtrClause(VarList, Locs); | |||
15506 | break; | |||
15507 | case OMPC_allocate: | |||
15508 | Res = ActOnOpenMPAllocateClause(DepModOrTailExpr, VarList, StartLoc, | |||
15509 | LParenLoc, ColonLoc, EndLoc); | |||
15510 | break; | |||
15511 | case OMPC_nontemporal: | |||
15512 | Res = ActOnOpenMPNontemporalClause(VarList, StartLoc, LParenLoc, EndLoc); | |||
15513 | break; | |||
15514 | case OMPC_inclusive: | |||
15515 | Res = ActOnOpenMPInclusiveClause(VarList, StartLoc, LParenLoc, EndLoc); | |||
15516 | break; | |||
15517 | case OMPC_exclusive: | |||
15518 | Res = ActOnOpenMPExclusiveClause(VarList, StartLoc, LParenLoc, EndLoc); | |||
15519 | break; | |||
15520 | case OMPC_affinity: | |||
15521 | Res = ActOnOpenMPAffinityClause(StartLoc, LParenLoc, ColonLoc, EndLoc, | |||
15522 | DepModOrTailExpr, VarList); | |||
15523 | break; | |||
15524 | case OMPC_if: | |||
15525 | case OMPC_depobj: | |||
15526 | case OMPC_final: | |||
15527 | case OMPC_num_threads: | |||
15528 | case OMPC_safelen: | |||
15529 | case OMPC_simdlen: | |||
15530 | case OMPC_sizes: | |||
15531 | case OMPC_allocator: | |||
15532 | case OMPC_collapse: | |||
15533 | case OMPC_default: | |||
15534 | case OMPC_proc_bind: | |||
15535 | case OMPC_schedule: | |||
15536 | case OMPC_ordered: | |||
15537 | case OMPC_nowait: | |||
15538 | case OMPC_untied: | |||
15539 | case OMPC_mergeable: | |||
15540 | case OMPC_threadprivate: | |||
15541 | case OMPC_read: | |||
15542 | case OMPC_write: | |||
15543 | case OMPC_update: | |||
15544 | case OMPC_capture: | |||
15545 | case OMPC_seq_cst: | |||
15546 | case OMPC_acq_rel: | |||
15547 | case OMPC_acquire: | |||
15548 | case OMPC_release: | |||
15549 | case OMPC_relaxed: | |||
15550 | case OMPC_device: | |||
15551 | case OMPC_threads: | |||
15552 | case OMPC_simd: | |||
15553 | case OMPC_num_teams: | |||
15554 | case OMPC_thread_limit: | |||
15555 | case OMPC_priority: | |||
15556 | case OMPC_grainsize: | |||
15557 | case OMPC_nogroup: | |||
15558 | case OMPC_num_tasks: | |||
15559 | case OMPC_hint: | |||
15560 | case OMPC_dist_schedule: | |||
15561 | case OMPC_defaultmap: | |||
15562 | case OMPC_unknown: | |||
15563 | case OMPC_uniform: | |||
15564 | case OMPC_unified_address: | |||
15565 | case OMPC_unified_shared_memory: | |||
15566 | case OMPC_reverse_offload: | |||
15567 | case OMPC_dynamic_allocators: | |||
15568 | case OMPC_atomic_default_mem_order: | |||
15569 | case OMPC_device_type: | |||
15570 | case OMPC_match: | |||
15571 | case OMPC_order: | |||
15572 | case OMPC_destroy: | |||
15573 | case OMPC_novariants: | |||
15574 | case OMPC_nocontext: | |||
15575 | case OMPC_detach: | |||
15576 | case OMPC_uses_allocators: | |||
15577 | default: | |||
15578 | llvm_unreachable("Clause is not allowed.")__builtin_unreachable(); | |||
15579 | } | |||
15580 | return Res; | |||
15581 | } | |||
15582 | ||||
15583 | ExprResult Sema::getOpenMPCapturedExpr(VarDecl *Capture, ExprValueKind VK, | |||
15584 | ExprObjectKind OK, SourceLocation Loc) { | |||
15585 | ExprResult Res = BuildDeclRefExpr( | |||
15586 | Capture, Capture->getType().getNonReferenceType(), VK_LValue, Loc); | |||
15587 | if (!Res.isUsable()) | |||
15588 | return ExprError(); | |||
15589 | if (OK == OK_Ordinary && !getLangOpts().CPlusPlus) { | |||
15590 | Res = CreateBuiltinUnaryOp(Loc, UO_Deref, Res.get()); | |||
15591 | if (!Res.isUsable()) | |||
15592 | return ExprError(); | |||
15593 | } | |||
15594 | if (VK != VK_LValue && Res.get()->isGLValue()) { | |||
15595 | Res = DefaultLvalueConversion(Res.get()); | |||
15596 | if (!Res.isUsable()) | |||
15597 | return ExprError(); | |||
15598 | } | |||
15599 | return Res; | |||
15600 | } | |||
15601 | ||||
15602 | OMPClause *Sema::ActOnOpenMPPrivateClause(ArrayRef<Expr *> VarList, | |||
15603 | SourceLocation StartLoc, | |||
15604 | SourceLocation LParenLoc, | |||
15605 | SourceLocation EndLoc) { | |||
15606 | SmallVector<Expr *, 8> Vars; | |||
15607 | SmallVector<Expr *, 8> PrivateCopies; | |||
15608 | for (Expr *RefExpr : VarList) { | |||
15609 | assert(RefExpr && "NULL expr in OpenMP private clause.")((void)0); | |||
15610 | SourceLocation ELoc; | |||
15611 | SourceRange ERange; | |||
15612 | Expr *SimpleRefExpr = RefExpr; | |||
15613 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | |||
15614 | if (Res.second) { | |||
15615 | // It will be analyzed later. | |||
15616 | Vars.push_back(RefExpr); | |||
15617 | PrivateCopies.push_back(nullptr); | |||
15618 | } | |||
15619 | ValueDecl *D = Res.first; | |||
15620 | if (!D) | |||
15621 | continue; | |||
15622 | ||||
15623 | QualType Type = D->getType(); | |||
15624 | auto *VD = dyn_cast<VarDecl>(D); | |||
15625 | ||||
15626 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.3] | |||
15627 | // A variable that appears in a private clause must not have an incomplete | |||
15628 | // type or a reference type. | |||
15629 | if (RequireCompleteType(ELoc, Type, diag::err_omp_private_incomplete_type)) | |||
15630 | continue; | |||
15631 | Type = Type.getNonReferenceType(); | |||
15632 | ||||
15633 | // OpenMP 5.0 [2.19.3, List Item Privatization, Restrictions] | |||
15634 | // A variable that is privatized must not have a const-qualified type | |||
15635 | // unless it is of class type with a mutable member. This restriction does | |||
15636 | // not apply to the firstprivate clause. | |||
15637 | // | |||
15638 | // OpenMP 3.1 [2.9.3.3, private clause, Restrictions] | |||
15639 | // A variable that appears in a private clause must not have a | |||
15640 | // const-qualified type unless it is of class type with a mutable member. | |||
15641 | if (rejectConstNotMutableType(*this, D, Type, OMPC_private, ELoc)) | |||
15642 | continue; | |||
15643 | ||||
15644 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
15645 | // in a Construct] | |||
15646 | // Variables with the predetermined data-sharing attributes may not be | |||
15647 | // listed in data-sharing attributes clauses, except for the cases | |||
15648 | // listed below. For these exceptions only, listing a predetermined | |||
15649 | // variable in a data-sharing attribute clause is allowed and overrides | |||
15650 | // the variable's predetermined data-sharing attributes. | |||
15651 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | |||
15652 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_private) { | |||
15653 | Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) | |||
15654 | << getOpenMPClauseName(OMPC_private); | |||
15655 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
15656 | continue; | |||
15657 | } | |||
15658 | ||||
15659 | OpenMPDirectiveKind CurrDir = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | |||
15660 | // Variably modified types are not supported for tasks. | |||
15661 | if (!Type->isAnyPointerType() && Type->isVariablyModifiedType() && | |||
15662 | isOpenMPTaskingDirective(CurrDir)) { | |||
15663 | Diag(ELoc, diag::err_omp_variably_modified_type_not_supported) | |||
15664 | << getOpenMPClauseName(OMPC_private) << Type | |||
15665 | << getOpenMPDirectiveName(CurrDir); | |||
15666 | bool IsDecl = | |||
15667 | !VD || | |||
15668 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
15669 | Diag(D->getLocation(), | |||
15670 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
15671 | << D; | |||
15672 | continue; | |||
15673 | } | |||
15674 | ||||
15675 | // OpenMP 4.5 [2.15.5.1, Restrictions, p.3] | |||
15676 | // A list item cannot appear in both a map clause and a data-sharing | |||
15677 | // attribute clause on the same construct | |||
15678 | // | |||
15679 | // OpenMP 5.0 [2.19.7.1, Restrictions, p.7] | |||
15680 | // A list item cannot appear in both a map clause and a data-sharing | |||
15681 | // attribute clause on the same construct unless the construct is a | |||
15682 | // combined construct. | |||
15683 | if ((LangOpts.OpenMP <= 45 && isOpenMPTargetExecutionDirective(CurrDir)) || | |||
15684 | CurrDir == OMPD_target) { | |||
15685 | OpenMPClauseKind ConflictKind; | |||
15686 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( | |||
15687 | VD, /*CurrentRegionOnly=*/true, | |||
15688 | [&](OMPClauseMappableExprCommon::MappableExprComponentListRef, | |||
15689 | OpenMPClauseKind WhereFoundClauseKind) -> bool { | |||
15690 | ConflictKind = WhereFoundClauseKind; | |||
15691 | return true; | |||
15692 | })) { | |||
15693 | Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) | |||
15694 | << getOpenMPClauseName(OMPC_private) | |||
15695 | << getOpenMPClauseName(ConflictKind) | |||
15696 | << getOpenMPDirectiveName(CurrDir); | |||
15697 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
15698 | continue; | |||
15699 | } | |||
15700 | } | |||
15701 | ||||
15702 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.1] | |||
15703 | // A variable of class type (or array thereof) that appears in a private | |||
15704 | // clause requires an accessible, unambiguous default constructor for the | |||
15705 | // class type. | |||
15706 | // Generate helper private variable and initialize it with the default | |||
15707 | // value. The address of the original variable is replaced by the address of | |||
15708 | // the new private variable in CodeGen. This new variable is not added to | |||
15709 | // IdResolver, so the code in the OpenMP region uses original variable for | |||
15710 | // proper diagnostics. | |||
15711 | Type = Type.getUnqualifiedType(); | |||
15712 | VarDecl *VDPrivate = | |||
15713 | buildVarDecl(*this, ELoc, Type, D->getName(), | |||
15714 | D->hasAttrs() ? &D->getAttrs() : nullptr, | |||
15715 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); | |||
15716 | ActOnUninitializedDecl(VDPrivate); | |||
15717 | if (VDPrivate->isInvalidDecl()) | |||
15718 | continue; | |||
15719 | DeclRefExpr *VDPrivateRefExpr = buildDeclRefExpr( | |||
15720 | *this, VDPrivate, RefExpr->getType().getUnqualifiedType(), ELoc); | |||
15721 | ||||
15722 | DeclRefExpr *Ref = nullptr; | |||
15723 | if (!VD && !CurContext->isDependentContext()) | |||
15724 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); | |||
15725 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_private, Ref); | |||
15726 | Vars.push_back((VD || CurContext->isDependentContext()) | |||
15727 | ? RefExpr->IgnoreParens() | |||
15728 | : Ref); | |||
15729 | PrivateCopies.push_back(VDPrivateRefExpr); | |||
15730 | } | |||
15731 | ||||
15732 | if (Vars.empty()) | |||
15733 | return nullptr; | |||
15734 | ||||
15735 | return OMPPrivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars, | |||
15736 | PrivateCopies); | |||
15737 | } | |||
15738 | ||||
15739 | namespace { | |||
15740 | class DiagsUninitializedSeveretyRAII { | |||
15741 | private: | |||
15742 | DiagnosticsEngine &Diags; | |||
15743 | SourceLocation SavedLoc; | |||
15744 | bool IsIgnored = false; | |||
15745 | ||||
15746 | public: | |||
15747 | DiagsUninitializedSeveretyRAII(DiagnosticsEngine &Diags, SourceLocation Loc, | |||
15748 | bool IsIgnored) | |||
15749 | : Diags(Diags), SavedLoc(Loc), IsIgnored(IsIgnored) { | |||
15750 | if (!IsIgnored) { | |||
15751 | Diags.setSeverity(/*Diag*/ diag::warn_uninit_self_reference_in_init, | |||
15752 | /*Map*/ diag::Severity::Ignored, Loc); | |||
15753 | } | |||
15754 | } | |||
15755 | ~DiagsUninitializedSeveretyRAII() { | |||
15756 | if (!IsIgnored) | |||
15757 | Diags.popMappings(SavedLoc); | |||
15758 | } | |||
15759 | }; | |||
15760 | } | |||
15761 | ||||
15762 | OMPClause *Sema::ActOnOpenMPFirstprivateClause(ArrayRef<Expr *> VarList, | |||
15763 | SourceLocation StartLoc, | |||
15764 | SourceLocation LParenLoc, | |||
15765 | SourceLocation EndLoc) { | |||
15766 | SmallVector<Expr *, 8> Vars; | |||
15767 | SmallVector<Expr *, 8> PrivateCopies; | |||
15768 | SmallVector<Expr *, 8> Inits; | |||
15769 | SmallVector<Decl *, 4> ExprCaptures; | |||
15770 | bool IsImplicitClause = | |||
15771 | StartLoc.isInvalid() && LParenLoc.isInvalid() && EndLoc.isInvalid(); | |||
15772 | SourceLocation ImplicitClauseLoc = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(); | |||
15773 | ||||
15774 | for (Expr *RefExpr : VarList) { | |||
15775 | assert(RefExpr && "NULL expr in OpenMP firstprivate clause.")((void)0); | |||
15776 | SourceLocation ELoc; | |||
15777 | SourceRange ERange; | |||
15778 | Expr *SimpleRefExpr = RefExpr; | |||
15779 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | |||
15780 | if (Res.second) { | |||
15781 | // It will be analyzed later. | |||
15782 | Vars.push_back(RefExpr); | |||
15783 | PrivateCopies.push_back(nullptr); | |||
15784 | Inits.push_back(nullptr); | |||
15785 | } | |||
15786 | ValueDecl *D = Res.first; | |||
15787 | if (!D) | |||
15788 | continue; | |||
15789 | ||||
15790 | ELoc = IsImplicitClause ? ImplicitClauseLoc : ELoc; | |||
15791 | QualType Type = D->getType(); | |||
15792 | auto *VD = dyn_cast<VarDecl>(D); | |||
15793 | ||||
15794 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.3] | |||
15795 | // A variable that appears in a private clause must not have an incomplete | |||
15796 | // type or a reference type. | |||
15797 | if (RequireCompleteType(ELoc, Type, | |||
15798 | diag::err_omp_firstprivate_incomplete_type)) | |||
15799 | continue; | |||
15800 | Type = Type.getNonReferenceType(); | |||
15801 | ||||
15802 | // OpenMP [2.9.3.4, Restrictions, C/C++, p.1] | |||
15803 | // A variable of class type (or array thereof) that appears in a private | |||
15804 | // clause requires an accessible, unambiguous copy constructor for the | |||
15805 | // class type. | |||
15806 | QualType ElemType = Context.getBaseElementType(Type).getNonReferenceType(); | |||
15807 | ||||
15808 | // If an implicit firstprivate variable found it was checked already. | |||
15809 | DSAStackTy::DSAVarData TopDVar; | |||
15810 | if (!IsImplicitClause) { | |||
15811 | DSAStackTy::DSAVarData DVar = | |||
15812 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | |||
15813 | TopDVar = DVar; | |||
15814 | OpenMPDirectiveKind CurrDir = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | |||
15815 | bool IsConstant = ElemType.isConstant(Context); | |||
15816 | // OpenMP [2.4.13, Data-sharing Attribute Clauses] | |||
15817 | // A list item that specifies a given variable may not appear in more | |||
15818 | // than one clause on the same directive, except that a variable may be | |||
15819 | // specified in both firstprivate and lastprivate clauses. | |||
15820 | // OpenMP 4.5 [2.10.8, Distribute Construct, p.3] | |||
15821 | // A list item may appear in a firstprivate or lastprivate clause but not | |||
15822 | // both. | |||
15823 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_firstprivate && | |||
15824 | (isOpenMPDistributeDirective(CurrDir) || | |||
15825 | DVar.CKind != OMPC_lastprivate) && | |||
15826 | DVar.RefExpr) { | |||
15827 | Diag(ELoc, diag::err_omp_wrong_dsa) | |||
15828 | << getOpenMPClauseName(DVar.CKind) | |||
15829 | << getOpenMPClauseName(OMPC_firstprivate); | |||
15830 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
15831 | continue; | |||
15832 | } | |||
15833 | ||||
15834 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
15835 | // in a Construct] | |||
15836 | // Variables with the predetermined data-sharing attributes may not be | |||
15837 | // listed in data-sharing attributes clauses, except for the cases | |||
15838 | // listed below. For these exceptions only, listing a predetermined | |||
15839 | // variable in a data-sharing attribute clause is allowed and overrides | |||
15840 | // the variable's predetermined data-sharing attributes. | |||
15841 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
15842 | // in a Construct, C/C++, p.2] | |||
15843 | // Variables with const-qualified type having no mutable member may be | |||
15844 | // listed in a firstprivate clause, even if they are static data members. | |||
15845 | if (!(IsConstant || (VD && VD->isStaticDataMember())) && !DVar.RefExpr && | |||
15846 | DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_shared) { | |||
15847 | Diag(ELoc, diag::err_omp_wrong_dsa) | |||
15848 | << getOpenMPClauseName(DVar.CKind) | |||
15849 | << getOpenMPClauseName(OMPC_firstprivate); | |||
15850 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
15851 | continue; | |||
15852 | } | |||
15853 | ||||
15854 | // OpenMP [2.9.3.4, Restrictions, p.2] | |||
15855 | // A list item that is private within a parallel region must not appear | |||
15856 | // in a firstprivate clause on a worksharing construct if any of the | |||
15857 | // worksharing regions arising from the worksharing construct ever bind | |||
15858 | // to any of the parallel regions arising from the parallel construct. | |||
15859 | // OpenMP 4.5 [2.15.3.4, Restrictions, p.3] | |||
15860 | // A list item that is private within a teams region must not appear in a | |||
15861 | // firstprivate clause on a distribute construct if any of the distribute | |||
15862 | // regions arising from the distribute construct ever bind to any of the | |||
15863 | // teams regions arising from the teams construct. | |||
15864 | // OpenMP 4.5 [2.15.3.4, Restrictions, p.3] | |||
15865 | // A list item that appears in a reduction clause of a teams construct | |||
15866 | // must not appear in a firstprivate clause on a distribute construct if | |||
15867 | // any of the distribute regions arising from the distribute construct | |||
15868 | // ever bind to any of the teams regions arising from the teams construct. | |||
15869 | if ((isOpenMPWorksharingDirective(CurrDir) || | |||
15870 | isOpenMPDistributeDirective(CurrDir)) && | |||
15871 | !isOpenMPParallelDirective(CurrDir) && | |||
15872 | !isOpenMPTeamsDirective(CurrDir)) { | |||
15873 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, true); | |||
15874 | if (DVar.CKind != OMPC_shared && | |||
15875 | (isOpenMPParallelDirective(DVar.DKind) || | |||
15876 | isOpenMPTeamsDirective(DVar.DKind) || | |||
15877 | DVar.DKind == OMPD_unknown)) { | |||
15878 | Diag(ELoc, diag::err_omp_required_access) | |||
15879 | << getOpenMPClauseName(OMPC_firstprivate) | |||
15880 | << getOpenMPClauseName(OMPC_shared); | |||
15881 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
15882 | continue; | |||
15883 | } | |||
15884 | } | |||
15885 | // OpenMP [2.9.3.4, Restrictions, p.3] | |||
15886 | // A list item that appears in a reduction clause of a parallel construct | |||
15887 | // must not appear in a firstprivate clause on a worksharing or task | |||
15888 | // construct if any of the worksharing or task regions arising from the | |||
15889 | // worksharing or task construct ever bind to any of the parallel regions | |||
15890 | // arising from the parallel construct. | |||
15891 | // OpenMP [2.9.3.4, Restrictions, p.4] | |||
15892 | // A list item that appears in a reduction clause in worksharing | |||
15893 | // construct must not appear in a firstprivate clause in a task construct | |||
15894 | // encountered during execution of any of the worksharing regions arising | |||
15895 | // from the worksharing construct. | |||
15896 | if (isOpenMPTaskingDirective(CurrDir)) { | |||
15897 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasInnermostDSA( | |||
15898 | D, | |||
15899 | [](OpenMPClauseKind C, bool AppliedToPointee) { | |||
15900 | return C == OMPC_reduction && !AppliedToPointee; | |||
15901 | }, | |||
15902 | [](OpenMPDirectiveKind K) { | |||
15903 | return isOpenMPParallelDirective(K) || | |||
15904 | isOpenMPWorksharingDirective(K) || | |||
15905 | isOpenMPTeamsDirective(K); | |||
15906 | }, | |||
15907 | /*FromParent=*/true); | |||
15908 | if (DVar.CKind == OMPC_reduction && | |||
15909 | (isOpenMPParallelDirective(DVar.DKind) || | |||
15910 | isOpenMPWorksharingDirective(DVar.DKind) || | |||
15911 | isOpenMPTeamsDirective(DVar.DKind))) { | |||
15912 | Diag(ELoc, diag::err_omp_parallel_reduction_in_task_firstprivate) | |||
15913 | << getOpenMPDirectiveName(DVar.DKind); | |||
15914 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
15915 | continue; | |||
15916 | } | |||
15917 | } | |||
15918 | ||||
15919 | // OpenMP 4.5 [2.15.5.1, Restrictions, p.3] | |||
15920 | // A list item cannot appear in both a map clause and a data-sharing | |||
15921 | // attribute clause on the same construct | |||
15922 | // | |||
15923 | // OpenMP 5.0 [2.19.7.1, Restrictions, p.7] | |||
15924 | // A list item cannot appear in both a map clause and a data-sharing | |||
15925 | // attribute clause on the same construct unless the construct is a | |||
15926 | // combined construct. | |||
15927 | if ((LangOpts.OpenMP <= 45 && | |||
15928 | isOpenMPTargetExecutionDirective(CurrDir)) || | |||
15929 | CurrDir == OMPD_target) { | |||
15930 | OpenMPClauseKind ConflictKind; | |||
15931 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( | |||
15932 | VD, /*CurrentRegionOnly=*/true, | |||
15933 | [&ConflictKind]( | |||
15934 | OMPClauseMappableExprCommon::MappableExprComponentListRef, | |||
15935 | OpenMPClauseKind WhereFoundClauseKind) { | |||
15936 | ConflictKind = WhereFoundClauseKind; | |||
15937 | return true; | |||
15938 | })) { | |||
15939 | Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) | |||
15940 | << getOpenMPClauseName(OMPC_firstprivate) | |||
15941 | << getOpenMPClauseName(ConflictKind) | |||
15942 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | |||
15943 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
15944 | continue; | |||
15945 | } | |||
15946 | } | |||
15947 | } | |||
15948 | ||||
15949 | // Variably modified types are not supported for tasks. | |||
15950 | if (!Type->isAnyPointerType() && Type->isVariablyModifiedType() && | |||
15951 | isOpenMPTaskingDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { | |||
15952 | Diag(ELoc, diag::err_omp_variably_modified_type_not_supported) | |||
15953 | << getOpenMPClauseName(OMPC_firstprivate) << Type | |||
15954 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | |||
15955 | bool IsDecl = | |||
15956 | !VD || | |||
15957 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
15958 | Diag(D->getLocation(), | |||
15959 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
15960 | << D; | |||
15961 | continue; | |||
15962 | } | |||
15963 | ||||
15964 | Type = Type.getUnqualifiedType(); | |||
15965 | VarDecl *VDPrivate = | |||
15966 | buildVarDecl(*this, ELoc, Type, D->getName(), | |||
15967 | D->hasAttrs() ? &D->getAttrs() : nullptr, | |||
15968 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); | |||
15969 | // Generate helper private variable and initialize it with the value of the | |||
15970 | // original variable. The address of the original variable is replaced by | |||
15971 | // the address of the new private variable in the CodeGen. This new variable | |||
15972 | // is not added to IdResolver, so the code in the OpenMP region uses | |||
15973 | // original variable for proper diagnostics and variable capturing. | |||
15974 | Expr *VDInitRefExpr = nullptr; | |||
15975 | // For arrays generate initializer for single element and replace it by the | |||
15976 | // original array element in CodeGen. | |||
15977 | if (Type->isArrayType()) { | |||
15978 | VarDecl *VDInit = | |||
15979 | buildVarDecl(*this, RefExpr->getExprLoc(), ElemType, D->getName()); | |||
15980 | VDInitRefExpr = buildDeclRefExpr(*this, VDInit, ElemType, ELoc); | |||
15981 | Expr *Init = DefaultLvalueConversion(VDInitRefExpr).get(); | |||
15982 | ElemType = ElemType.getUnqualifiedType(); | |||
15983 | VarDecl *VDInitTemp = buildVarDecl(*this, RefExpr->getExprLoc(), ElemType, | |||
15984 | ".firstprivate.temp"); | |||
15985 | InitializedEntity Entity = | |||
15986 | InitializedEntity::InitializeVariable(VDInitTemp); | |||
15987 | InitializationKind Kind = InitializationKind::CreateCopy(ELoc, ELoc); | |||
15988 | ||||
15989 | InitializationSequence InitSeq(*this, Entity, Kind, Init); | |||
15990 | ExprResult Result = InitSeq.Perform(*this, Entity, Kind, Init); | |||
15991 | if (Result.isInvalid()) | |||
15992 | VDPrivate->setInvalidDecl(); | |||
15993 | else | |||
15994 | VDPrivate->setInit(Result.getAs<Expr>()); | |||
15995 | // Remove temp variable declaration. | |||
15996 | Context.Deallocate(VDInitTemp); | |||
15997 | } else { | |||
15998 | VarDecl *VDInit = buildVarDecl(*this, RefExpr->getExprLoc(), Type, | |||
15999 | ".firstprivate.temp"); | |||
16000 | VDInitRefExpr = buildDeclRefExpr(*this, VDInit, RefExpr->getType(), | |||
16001 | RefExpr->getExprLoc()); | |||
16002 | AddInitializerToDecl(VDPrivate, | |||
16003 | DefaultLvalueConversion(VDInitRefExpr).get(), | |||
16004 | /*DirectInit=*/false); | |||
16005 | } | |||
16006 | if (VDPrivate->isInvalidDecl()) { | |||
16007 | if (IsImplicitClause) { | |||
16008 | Diag(RefExpr->getExprLoc(), | |||
16009 | diag::note_omp_task_predetermined_firstprivate_here); | |||
16010 | } | |||
16011 | continue; | |||
16012 | } | |||
16013 | CurContext->addDecl(VDPrivate); | |||
16014 | DeclRefExpr *VDPrivateRefExpr = buildDeclRefExpr( | |||
16015 | *this, VDPrivate, RefExpr->getType().getUnqualifiedType(), | |||
16016 | RefExpr->getExprLoc()); | |||
16017 | DeclRefExpr *Ref = nullptr; | |||
16018 | if (!VD && !CurContext->isDependentContext()) { | |||
16019 | if (TopDVar.CKind == OMPC_lastprivate) { | |||
16020 | Ref = TopDVar.PrivateCopy; | |||
16021 | } else { | |||
16022 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); | |||
16023 | if (!isOpenMPCapturedDecl(D)) | |||
16024 | ExprCaptures.push_back(Ref->getDecl()); | |||
16025 | } | |||
16026 | } | |||
16027 | if (!IsImplicitClause) | |||
16028 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_firstprivate, Ref); | |||
16029 | Vars.push_back((VD || CurContext->isDependentContext()) | |||
16030 | ? RefExpr->IgnoreParens() | |||
16031 | : Ref); | |||
16032 | PrivateCopies.push_back(VDPrivateRefExpr); | |||
16033 | Inits.push_back(VDInitRefExpr); | |||
16034 | } | |||
16035 | ||||
16036 | if (Vars.empty()) | |||
16037 | return nullptr; | |||
16038 | ||||
16039 | return OMPFirstprivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, | |||
16040 | Vars, PrivateCopies, Inits, | |||
16041 | buildPreInits(Context, ExprCaptures)); | |||
16042 | } | |||
16043 | ||||
16044 | OMPClause *Sema::ActOnOpenMPLastprivateClause( | |||
16045 | ArrayRef<Expr *> VarList, OpenMPLastprivateModifier LPKind, | |||
16046 | SourceLocation LPKindLoc, SourceLocation ColonLoc, SourceLocation StartLoc, | |||
16047 | SourceLocation LParenLoc, SourceLocation EndLoc) { | |||
16048 | if (LPKind == OMPC_LASTPRIVATE_unknown && LPKindLoc.isValid()) { | |||
16049 | assert(ColonLoc.isValid() && "Colon location must be valid.")((void)0); | |||
16050 | Diag(LPKindLoc, diag::err_omp_unexpected_clause_value) | |||
16051 | << getListOfPossibleValues(OMPC_lastprivate, /*First=*/0, | |||
16052 | /*Last=*/OMPC_LASTPRIVATE_unknown) | |||
16053 | << getOpenMPClauseName(OMPC_lastprivate); | |||
16054 | return nullptr; | |||
16055 | } | |||
16056 | ||||
16057 | SmallVector<Expr *, 8> Vars; | |||
16058 | SmallVector<Expr *, 8> SrcExprs; | |||
16059 | SmallVector<Expr *, 8> DstExprs; | |||
16060 | SmallVector<Expr *, 8> AssignmentOps; | |||
16061 | SmallVector<Decl *, 4> ExprCaptures; | |||
16062 | SmallVector<Expr *, 4> ExprPostUpdates; | |||
16063 | for (Expr *RefExpr : VarList) { | |||
16064 | assert(RefExpr && "NULL expr in OpenMP lastprivate clause.")((void)0); | |||
16065 | SourceLocation ELoc; | |||
16066 | SourceRange ERange; | |||
16067 | Expr *SimpleRefExpr = RefExpr; | |||
16068 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | |||
16069 | if (Res.second) { | |||
16070 | // It will be analyzed later. | |||
16071 | Vars.push_back(RefExpr); | |||
16072 | SrcExprs.push_back(nullptr); | |||
16073 | DstExprs.push_back(nullptr); | |||
16074 | AssignmentOps.push_back(nullptr); | |||
16075 | } | |||
16076 | ValueDecl *D = Res.first; | |||
16077 | if (!D) | |||
16078 | continue; | |||
16079 | ||||
16080 | QualType Type = D->getType(); | |||
16081 | auto *VD = dyn_cast<VarDecl>(D); | |||
16082 | ||||
16083 | // OpenMP [2.14.3.5, Restrictions, C/C++, p.2] | |||
16084 | // A variable that appears in a lastprivate clause must not have an | |||
16085 | // incomplete type or a reference type. | |||
16086 | if (RequireCompleteType(ELoc, Type, | |||
16087 | diag::err_omp_lastprivate_incomplete_type)) | |||
16088 | continue; | |||
16089 | Type = Type.getNonReferenceType(); | |||
16090 | ||||
16091 | // OpenMP 5.0 [2.19.3, List Item Privatization, Restrictions] | |||
16092 | // A variable that is privatized must not have a const-qualified type | |||
16093 | // unless it is of class type with a mutable member. This restriction does | |||
16094 | // not apply to the firstprivate clause. | |||
16095 | // | |||
16096 | // OpenMP 3.1 [2.9.3.5, lastprivate clause, Restrictions] | |||
16097 | // A variable that appears in a lastprivate clause must not have a | |||
16098 | // const-qualified type unless it is of class type with a mutable member. | |||
16099 | if (rejectConstNotMutableType(*this, D, Type, OMPC_lastprivate, ELoc)) | |||
16100 | continue; | |||
16101 | ||||
16102 | // OpenMP 5.0 [2.19.4.5 lastprivate Clause, Restrictions] | |||
16103 | // A list item that appears in a lastprivate clause with the conditional | |||
16104 | // modifier must be a scalar variable. | |||
16105 | if (LPKind == OMPC_LASTPRIVATE_conditional && !Type->isScalarType()) { | |||
16106 | Diag(ELoc, diag::err_omp_lastprivate_conditional_non_scalar); | |||
16107 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == | |||
16108 | VarDecl::DeclarationOnly; | |||
16109 | Diag(D->getLocation(), | |||
16110 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
16111 | << D; | |||
16112 | continue; | |||
16113 | } | |||
16114 | ||||
16115 | OpenMPDirectiveKind CurrDir = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | |||
16116 | // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
16117 | // in a Construct] | |||
16118 | // Variables with the predetermined data-sharing attributes may not be | |||
16119 | // listed in data-sharing attributes clauses, except for the cases | |||
16120 | // listed below. | |||
16121 | // OpenMP 4.5 [2.10.8, Distribute Construct, p.3] | |||
16122 | // A list item may appear in a firstprivate or lastprivate clause but not | |||
16123 | // both. | |||
16124 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | |||
16125 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_lastprivate && | |||
16126 | (isOpenMPDistributeDirective(CurrDir) || | |||
16127 | DVar.CKind != OMPC_firstprivate) && | |||
16128 | (DVar.CKind != OMPC_private || DVar.RefExpr != nullptr)) { | |||
16129 | Diag(ELoc, diag::err_omp_wrong_dsa) | |||
16130 | << getOpenMPClauseName(DVar.CKind) | |||
16131 | << getOpenMPClauseName(OMPC_lastprivate); | |||
16132 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
16133 | continue; | |||
16134 | } | |||
16135 | ||||
16136 | // OpenMP [2.14.3.5, Restrictions, p.2] | |||
16137 | // A list item that is private within a parallel region, or that appears in | |||
16138 | // the reduction clause of a parallel construct, must not appear in a | |||
16139 | // lastprivate clause on a worksharing construct if any of the corresponding | |||
16140 | // worksharing regions ever binds to any of the corresponding parallel | |||
16141 | // regions. | |||
16142 | DSAStackTy::DSAVarData TopDVar = DVar; | |||
16143 | if (isOpenMPWorksharingDirective(CurrDir) && | |||
16144 | !isOpenMPParallelDirective(CurrDir) && | |||
16145 | !isOpenMPTeamsDirective(CurrDir)) { | |||
16146 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, true); | |||
16147 | if (DVar.CKind != OMPC_shared) { | |||
16148 | Diag(ELoc, diag::err_omp_required_access) | |||
16149 | << getOpenMPClauseName(OMPC_lastprivate) | |||
16150 | << getOpenMPClauseName(OMPC_shared); | |||
16151 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
16152 | continue; | |||
16153 | } | |||
16154 | } | |||
16155 | ||||
16156 | // OpenMP [2.14.3.5, Restrictions, C++, p.1,2] | |||
16157 | // A variable of class type (or array thereof) that appears in a | |||
16158 | // lastprivate clause requires an accessible, unambiguous default | |||
16159 | // constructor for the class type, unless the list item is also specified | |||
16160 | // in a firstprivate clause. | |||
16161 | // A variable of class type (or array thereof) that appears in a | |||
16162 | // lastprivate clause requires an accessible, unambiguous copy assignment | |||
16163 | // operator for the class type. | |||
16164 | Type = Context.getBaseElementType(Type).getNonReferenceType(); | |||
16165 | VarDecl *SrcVD = buildVarDecl(*this, ERange.getBegin(), | |||
16166 | Type.getUnqualifiedType(), ".lastprivate.src", | |||
16167 | D->hasAttrs() ? &D->getAttrs() : nullptr); | |||
16168 | DeclRefExpr *PseudoSrcExpr = | |||
16169 | buildDeclRefExpr(*this, SrcVD, Type.getUnqualifiedType(), ELoc); | |||
16170 | VarDecl *DstVD = | |||
16171 | buildVarDecl(*this, ERange.getBegin(), Type, ".lastprivate.dst", | |||
16172 | D->hasAttrs() ? &D->getAttrs() : nullptr); | |||
16173 | DeclRefExpr *PseudoDstExpr = buildDeclRefExpr(*this, DstVD, Type, ELoc); | |||
16174 | // For arrays generate assignment operation for single element and replace | |||
16175 | // it by the original array element in CodeGen. | |||
16176 | ExprResult AssignmentOp = BuildBinOp(/*S=*/nullptr, ELoc, BO_Assign, | |||
16177 | PseudoDstExpr, PseudoSrcExpr); | |||
16178 | if (AssignmentOp.isInvalid()) | |||
16179 | continue; | |||
16180 | AssignmentOp = | |||
16181 | ActOnFinishFullExpr(AssignmentOp.get(), ELoc, /*DiscardedValue*/ false); | |||
16182 | if (AssignmentOp.isInvalid()) | |||
16183 | continue; | |||
16184 | ||||
16185 | DeclRefExpr *Ref = nullptr; | |||
16186 | if (!VD && !CurContext->isDependentContext()) { | |||
16187 | if (TopDVar.CKind == OMPC_firstprivate) { | |||
16188 | Ref = TopDVar.PrivateCopy; | |||
16189 | } else { | |||
16190 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); | |||
16191 | if (!isOpenMPCapturedDecl(D)) | |||
16192 | ExprCaptures.push_back(Ref->getDecl()); | |||
16193 | } | |||
16194 | if ((TopDVar.CKind == OMPC_firstprivate && !TopDVar.PrivateCopy) || | |||
16195 | (!isOpenMPCapturedDecl(D) && | |||
16196 | Ref->getDecl()->hasAttr<OMPCaptureNoInitAttr>())) { | |||
16197 | ExprResult RefRes = DefaultLvalueConversion(Ref); | |||
16198 | if (!RefRes.isUsable()) | |||
16199 | continue; | |||
16200 | ExprResult PostUpdateRes = | |||
16201 | BuildBinOp(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope(), ELoc, BO_Assign, SimpleRefExpr, | |||
16202 | RefRes.get()); | |||
16203 | if (!PostUpdateRes.isUsable()) | |||
16204 | continue; | |||
16205 | ExprPostUpdates.push_back( | |||
16206 | IgnoredValueConversions(PostUpdateRes.get()).get()); | |||
16207 | } | |||
16208 | } | |||
16209 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_lastprivate, Ref); | |||
16210 | Vars.push_back((VD || CurContext->isDependentContext()) | |||
16211 | ? RefExpr->IgnoreParens() | |||
16212 | : Ref); | |||
16213 | SrcExprs.push_back(PseudoSrcExpr); | |||
16214 | DstExprs.push_back(PseudoDstExpr); | |||
16215 | AssignmentOps.push_back(AssignmentOp.get()); | |||
16216 | } | |||
16217 | ||||
16218 | if (Vars.empty()) | |||
16219 | return nullptr; | |||
16220 | ||||
16221 | return OMPLastprivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, | |||
16222 | Vars, SrcExprs, DstExprs, AssignmentOps, | |||
16223 | LPKind, LPKindLoc, ColonLoc, | |||
16224 | buildPreInits(Context, ExprCaptures), | |||
16225 | buildPostUpdate(*this, ExprPostUpdates)); | |||
16226 | } | |||
16227 | ||||
16228 | OMPClause *Sema::ActOnOpenMPSharedClause(ArrayRef<Expr *> VarList, | |||
16229 | SourceLocation StartLoc, | |||
16230 | SourceLocation LParenLoc, | |||
16231 | SourceLocation EndLoc) { | |||
16232 | SmallVector<Expr *, 8> Vars; | |||
16233 | for (Expr *RefExpr : VarList) { | |||
16234 | assert(RefExpr && "NULL expr in OpenMP lastprivate clause.")((void)0); | |||
16235 | SourceLocation ELoc; | |||
16236 | SourceRange ERange; | |||
16237 | Expr *SimpleRefExpr = RefExpr; | |||
16238 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | |||
16239 | if (Res.second) { | |||
16240 | // It will be analyzed later. | |||
16241 | Vars.push_back(RefExpr); | |||
16242 | } | |||
16243 | ValueDecl *D = Res.first; | |||
16244 | if (!D) | |||
16245 | continue; | |||
16246 | ||||
16247 | auto *VD = dyn_cast<VarDecl>(D); | |||
16248 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
16249 | // in a Construct] | |||
16250 | // Variables with the predetermined data-sharing attributes may not be | |||
16251 | // listed in data-sharing attributes clauses, except for the cases | |||
16252 | // listed below. For these exceptions only, listing a predetermined | |||
16253 | // variable in a data-sharing attribute clause is allowed and overrides | |||
16254 | // the variable's predetermined data-sharing attributes. | |||
16255 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | |||
16256 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_shared && | |||
16257 | DVar.RefExpr) { | |||
16258 | Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) | |||
16259 | << getOpenMPClauseName(OMPC_shared); | |||
16260 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
16261 | continue; | |||
16262 | } | |||
16263 | ||||
16264 | DeclRefExpr *Ref = nullptr; | |||
16265 | if (!VD && isOpenMPCapturedDecl(D) && !CurContext->isDependentContext()) | |||
16266 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); | |||
16267 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_shared, Ref); | |||
16268 | Vars.push_back((VD || !Ref || CurContext->isDependentContext()) | |||
16269 | ? RefExpr->IgnoreParens() | |||
16270 | : Ref); | |||
16271 | } | |||
16272 | ||||
16273 | if (Vars.empty()) | |||
16274 | return nullptr; | |||
16275 | ||||
16276 | return OMPSharedClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars); | |||
16277 | } | |||
16278 | ||||
16279 | namespace { | |||
16280 | class DSARefChecker : public StmtVisitor<DSARefChecker, bool> { | |||
16281 | DSAStackTy *Stack; | |||
16282 | ||||
16283 | public: | |||
16284 | bool VisitDeclRefExpr(DeclRefExpr *E) { | |||
16285 | if (auto *VD = dyn_cast<VarDecl>(E->getDecl())) { | |||
16286 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(VD, /*FromParent=*/false); | |||
16287 | if (DVar.CKind == OMPC_shared && !DVar.RefExpr) | |||
16288 | return false; | |||
16289 | if (DVar.CKind != OMPC_unknown) | |||
16290 | return true; | |||
16291 | DSAStackTy::DSAVarData DVarPrivate = Stack->hasDSA( | |||
16292 | VD, | |||
16293 | [](OpenMPClauseKind C, bool AppliedToPointee) { | |||
16294 | return isOpenMPPrivate(C) && !AppliedToPointee; | |||
16295 | }, | |||
16296 | [](OpenMPDirectiveKind) { return true; }, | |||
16297 | /*FromParent=*/true); | |||
16298 | return DVarPrivate.CKind != OMPC_unknown; | |||
16299 | } | |||
16300 | return false; | |||
16301 | } | |||
16302 | bool VisitStmt(Stmt *S) { | |||
16303 | for (Stmt *Child : S->children()) { | |||
16304 | if (Child && Visit(Child)) | |||
16305 | return true; | |||
16306 | } | |||
16307 | return false; | |||
16308 | } | |||
16309 | explicit DSARefChecker(DSAStackTy *S) : Stack(S) {} | |||
16310 | }; | |||
16311 | } // namespace | |||
16312 | ||||
16313 | namespace { | |||
16314 | // Transform MemberExpression for specified FieldDecl of current class to | |||
16315 | // DeclRefExpr to specified OMPCapturedExprDecl. | |||
16316 | class TransformExprToCaptures : public TreeTransform<TransformExprToCaptures> { | |||
16317 | typedef TreeTransform<TransformExprToCaptures> BaseTransform; | |||
16318 | ValueDecl *Field = nullptr; | |||
16319 | DeclRefExpr *CapturedExpr = nullptr; | |||
16320 | ||||
16321 | public: | |||
16322 | TransformExprToCaptures(Sema &SemaRef, ValueDecl *FieldDecl) | |||
16323 | : BaseTransform(SemaRef), Field(FieldDecl), CapturedExpr(nullptr) {} | |||
16324 | ||||
16325 | ExprResult TransformMemberExpr(MemberExpr *E) { | |||
16326 | if (isa<CXXThisExpr>(E->getBase()->IgnoreParenImpCasts()) && | |||
16327 | E->getMemberDecl() == Field) { | |||
16328 | CapturedExpr = buildCapture(SemaRef, Field, E, /*WithInit=*/false); | |||
16329 | return CapturedExpr; | |||
16330 | } | |||
16331 | return BaseTransform::TransformMemberExpr(E); | |||
16332 | } | |||
16333 | DeclRefExpr *getCapturedExpr() { return CapturedExpr; } | |||
16334 | }; | |||
16335 | } // namespace | |||
16336 | ||||
16337 | template <typename T, typename U> | |||
16338 | static T filterLookupForUDReductionAndMapper( | |||
16339 | SmallVectorImpl<U> &Lookups, const llvm::function_ref<T(ValueDecl *)> Gen) { | |||
16340 | for (U &Set : Lookups) { | |||
16341 | for (auto *D : Set) { | |||
16342 | if (T Res = Gen(cast<ValueDecl>(D))) | |||
16343 | return Res; | |||
16344 | } | |||
16345 | } | |||
16346 | return T(); | |||
16347 | } | |||
16348 | ||||
16349 | static NamedDecl *findAcceptableDecl(Sema &SemaRef, NamedDecl *D) { | |||
16350 | assert(!LookupResult::isVisible(SemaRef, D) && "not in slow case")((void)0); | |||
16351 | ||||
16352 | for (auto RD : D->redecls()) { | |||
16353 | // Don't bother with extra checks if we already know this one isn't visible. | |||
16354 | if (RD == D) | |||
16355 | continue; | |||
16356 | ||||
16357 | auto ND = cast<NamedDecl>(RD); | |||
16358 | if (LookupResult::isVisible(SemaRef, ND)) | |||
16359 | return ND; | |||
16360 | } | |||
16361 | ||||
16362 | return nullptr; | |||
16363 | } | |||
16364 | ||||
16365 | static void | |||
16366 | argumentDependentLookup(Sema &SemaRef, const DeclarationNameInfo &Id, | |||
16367 | SourceLocation Loc, QualType Ty, | |||
16368 | SmallVectorImpl<UnresolvedSet<8>> &Lookups) { | |||
16369 | // Find all of the associated namespaces and classes based on the | |||
16370 | // arguments we have. | |||
16371 | Sema::AssociatedNamespaceSet AssociatedNamespaces; | |||
16372 | Sema::AssociatedClassSet AssociatedClasses; | |||
16373 | OpaqueValueExpr OVE(Loc, Ty, VK_LValue); | |||
16374 | SemaRef.FindAssociatedClassesAndNamespaces(Loc, &OVE, AssociatedNamespaces, | |||
16375 | AssociatedClasses); | |||
16376 | ||||
16377 | // C++ [basic.lookup.argdep]p3: | |||
16378 | // Let X be the lookup set produced by unqualified lookup (3.4.1) | |||
16379 | // and let Y be the lookup set produced by argument dependent | |||
16380 | // lookup (defined as follows). If X contains [...] then Y is | |||
16381 | // empty. Otherwise Y is the set of declarations found in the | |||
16382 | // namespaces associated with the argument types as described | |||
16383 | // below. The set of declarations found by the lookup of the name | |||
16384 | // is the union of X and Y. | |||
16385 | // | |||
16386 | // Here, we compute Y and add its members to the overloaded | |||
16387 | // candidate set. | |||
16388 | for (auto *NS : AssociatedNamespaces) { | |||
16389 | // When considering an associated namespace, the lookup is the | |||
16390 | // same as the lookup performed when the associated namespace is | |||
16391 | // used as a qualifier (3.4.3.2) except that: | |||
16392 | // | |||
16393 | // -- Any using-directives in the associated namespace are | |||
16394 | // ignored. | |||
16395 | // | |||
16396 | // -- Any namespace-scope friend functions declared in | |||
16397 | // associated classes are visible within their respective | |||
16398 | // namespaces even if they are not visible during an ordinary | |||
16399 | // lookup (11.4). | |||
16400 | DeclContext::lookup_result R = NS->lookup(Id.getName()); | |||
16401 | for (auto *D : R) { | |||
16402 | auto *Underlying = D; | |||
16403 | if (auto *USD = dyn_cast<UsingShadowDecl>(D)) | |||
16404 | Underlying = USD->getTargetDecl(); | |||
16405 | ||||
16406 | if (!isa<OMPDeclareReductionDecl>(Underlying) && | |||
16407 | !isa<OMPDeclareMapperDecl>(Underlying)) | |||
16408 | continue; | |||
16409 | ||||
16410 | if (!SemaRef.isVisible(D)) { | |||
16411 | D = findAcceptableDecl(SemaRef, D); | |||
16412 | if (!D) | |||
16413 | continue; | |||
16414 | if (auto *USD = dyn_cast<UsingShadowDecl>(D)) | |||
16415 | Underlying = USD->getTargetDecl(); | |||
16416 | } | |||
16417 | Lookups.emplace_back(); | |||
16418 | Lookups.back().addDecl(Underlying); | |||
16419 | } | |||
16420 | } | |||
16421 | } | |||
16422 | ||||
16423 | static ExprResult | |||
16424 | buildDeclareReductionRef(Sema &SemaRef, SourceLocation Loc, SourceRange Range, | |||
16425 | Scope *S, CXXScopeSpec &ReductionIdScopeSpec, | |||
16426 | const DeclarationNameInfo &ReductionId, QualType Ty, | |||
16427 | CXXCastPath &BasePath, Expr *UnresolvedReduction) { | |||
16428 | if (ReductionIdScopeSpec.isInvalid()) | |||
16429 | return ExprError(); | |||
16430 | SmallVector<UnresolvedSet<8>, 4> Lookups; | |||
16431 | if (S) { | |||
16432 | LookupResult Lookup(SemaRef, ReductionId, Sema::LookupOMPReductionName); | |||
16433 | Lookup.suppressDiagnostics(); | |||
16434 | while (S && SemaRef.LookupParsedName(Lookup, S, &ReductionIdScopeSpec)) { | |||
16435 | NamedDecl *D = Lookup.getRepresentativeDecl(); | |||
16436 | do { | |||
16437 | S = S->getParent(); | |||
16438 | } while (S && !S->isDeclScope(D)); | |||
16439 | if (S) | |||
16440 | S = S->getParent(); | |||
16441 | Lookups.emplace_back(); | |||
16442 | Lookups.back().append(Lookup.begin(), Lookup.end()); | |||
16443 | Lookup.clear(); | |||
16444 | } | |||
16445 | } else if (auto *ULE = | |||
16446 | cast_or_null<UnresolvedLookupExpr>(UnresolvedReduction)) { | |||
16447 | Lookups.push_back(UnresolvedSet<8>()); | |||
16448 | Decl *PrevD = nullptr; | |||
16449 | for (NamedDecl *D : ULE->decls()) { | |||
16450 | if (D == PrevD) | |||
16451 | Lookups.push_back(UnresolvedSet<8>()); | |||
16452 | else if (auto *DRD = dyn_cast<OMPDeclareReductionDecl>(D)) | |||
16453 | Lookups.back().addDecl(DRD); | |||
16454 | PrevD = D; | |||
16455 | } | |||
16456 | } | |||
16457 | if (SemaRef.CurContext->isDependentContext() || Ty->isDependentType() || | |||
16458 | Ty->isInstantiationDependentType() || | |||
16459 | Ty->containsUnexpandedParameterPack() || | |||
16460 | filterLookupForUDReductionAndMapper<bool>(Lookups, [](ValueDecl *D) { | |||
16461 | return !D->isInvalidDecl() && | |||
16462 | (D->getType()->isDependentType() || | |||
16463 | D->getType()->isInstantiationDependentType() || | |||
16464 | D->getType()->containsUnexpandedParameterPack()); | |||
16465 | })) { | |||
16466 | UnresolvedSet<8> ResSet; | |||
16467 | for (const UnresolvedSet<8> &Set : Lookups) { | |||
16468 | if (Set.empty()) | |||
16469 | continue; | |||
16470 | ResSet.append(Set.begin(), Set.end()); | |||
16471 | // The last item marks the end of all declarations at the specified scope. | |||
16472 | ResSet.addDecl(Set[Set.size() - 1]); | |||
16473 | } | |||
16474 | return UnresolvedLookupExpr::Create( | |||
16475 | SemaRef.Context, /*NamingClass=*/nullptr, | |||
16476 | ReductionIdScopeSpec.getWithLocInContext(SemaRef.Context), ReductionId, | |||
16477 | /*ADL=*/true, /*Overloaded=*/true, ResSet.begin(), ResSet.end()); | |||
16478 | } | |||
16479 | // Lookup inside the classes. | |||
16480 | // C++ [over.match.oper]p3: | |||
16481 | // For a unary operator @ with an operand of a type whose | |||
16482 | // cv-unqualified version is T1, and for a binary operator @ with | |||
16483 | // a left operand of a type whose cv-unqualified version is T1 and | |||
16484 | // a right operand of a type whose cv-unqualified version is T2, | |||
16485 | // three sets of candidate functions, designated member | |||
16486 | // candidates, non-member candidates and built-in candidates, are | |||
16487 | // constructed as follows: | |||
16488 | // -- If T1 is a complete class type or a class currently being | |||
16489 | // defined, the set of member candidates is the result of the | |||
16490 | // qualified lookup of T1::operator@ (13.3.1.1.1); otherwise, | |||
16491 | // the set of member candidates is empty. | |||
16492 | LookupResult Lookup(SemaRef, ReductionId, Sema::LookupOMPReductionName); | |||
16493 | Lookup.suppressDiagnostics(); | |||
16494 | if (const auto *TyRec = Ty->getAs<RecordType>()) { | |||
16495 | // Complete the type if it can be completed. | |||
16496 | // If the type is neither complete nor being defined, bail out now. | |||
16497 | if (SemaRef.isCompleteType(Loc, Ty) || TyRec->isBeingDefined() || | |||
16498 | TyRec->getDecl()->getDefinition()) { | |||
16499 | Lookup.clear(); | |||
16500 | SemaRef.LookupQualifiedName(Lookup, TyRec->getDecl()); | |||
16501 | if (Lookup.empty()) { | |||
16502 | Lookups.emplace_back(); | |||
16503 | Lookups.back().append(Lookup.begin(), Lookup.end()); | |||
16504 | } | |||
16505 | } | |||
16506 | } | |||
16507 | // Perform ADL. | |||
16508 | if (SemaRef.getLangOpts().CPlusPlus) | |||
16509 | argumentDependentLookup(SemaRef, ReductionId, Loc, Ty, Lookups); | |||
16510 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( | |||
16511 | Lookups, [&SemaRef, Ty](ValueDecl *D) -> ValueDecl * { | |||
16512 | if (!D->isInvalidDecl() && | |||
16513 | SemaRef.Context.hasSameType(D->getType(), Ty)) | |||
16514 | return D; | |||
16515 | return nullptr; | |||
16516 | })) | |||
16517 | return SemaRef.BuildDeclRefExpr(VD, VD->getType().getNonReferenceType(), | |||
16518 | VK_LValue, Loc); | |||
16519 | if (SemaRef.getLangOpts().CPlusPlus) { | |||
16520 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( | |||
16521 | Lookups, [&SemaRef, Ty, Loc](ValueDecl *D) -> ValueDecl * { | |||
16522 | if (!D->isInvalidDecl() && | |||
16523 | SemaRef.IsDerivedFrom(Loc, Ty, D->getType()) && | |||
16524 | !Ty.isMoreQualifiedThan(D->getType())) | |||
16525 | return D; | |||
16526 | return nullptr; | |||
16527 | })) { | |||
16528 | CXXBasePaths Paths(/*FindAmbiguities=*/true, /*RecordPaths=*/true, | |||
16529 | /*DetectVirtual=*/false); | |||
16530 | if (SemaRef.IsDerivedFrom(Loc, Ty, VD->getType(), Paths)) { | |||
16531 | if (!Paths.isAmbiguous(SemaRef.Context.getCanonicalType( | |||
16532 | VD->getType().getUnqualifiedType()))) { | |||
16533 | if (SemaRef.CheckBaseClassAccess( | |||
16534 | Loc, VD->getType(), Ty, Paths.front(), | |||
16535 | /*DiagID=*/0) != Sema::AR_inaccessible) { | |||
16536 | SemaRef.BuildBasePathArray(Paths, BasePath); | |||
16537 | return SemaRef.BuildDeclRefExpr( | |||
16538 | VD, VD->getType().getNonReferenceType(), VK_LValue, Loc); | |||
16539 | } | |||
16540 | } | |||
16541 | } | |||
16542 | } | |||
16543 | } | |||
16544 | if (ReductionIdScopeSpec.isSet()) { | |||
16545 | SemaRef.Diag(Loc, diag::err_omp_not_resolved_reduction_identifier) | |||
16546 | << Ty << Range; | |||
16547 | return ExprError(); | |||
16548 | } | |||
16549 | return ExprEmpty(); | |||
16550 | } | |||
16551 | ||||
16552 | namespace { | |||
16553 | /// Data for the reduction-based clauses. | |||
16554 | struct ReductionData { | |||
16555 | /// List of original reduction items. | |||
16556 | SmallVector<Expr *, 8> Vars; | |||
16557 | /// List of private copies of the reduction items. | |||
16558 | SmallVector<Expr *, 8> Privates; | |||
16559 | /// LHS expressions for the reduction_op expressions. | |||
16560 | SmallVector<Expr *, 8> LHSs; | |||
16561 | /// RHS expressions for the reduction_op expressions. | |||
16562 | SmallVector<Expr *, 8> RHSs; | |||
16563 | /// Reduction operation expression. | |||
16564 | SmallVector<Expr *, 8> ReductionOps; | |||
16565 | /// inscan copy operation expressions. | |||
16566 | SmallVector<Expr *, 8> InscanCopyOps; | |||
16567 | /// inscan copy temp array expressions for prefix sums. | |||
16568 | SmallVector<Expr *, 8> InscanCopyArrayTemps; | |||
16569 | /// inscan copy temp array element expressions for prefix sums. | |||
16570 | SmallVector<Expr *, 8> InscanCopyArrayElems; | |||
16571 | /// Taskgroup descriptors for the corresponding reduction items in | |||
16572 | /// in_reduction clauses. | |||
16573 | SmallVector<Expr *, 8> TaskgroupDescriptors; | |||
16574 | /// List of captures for clause. | |||
16575 | SmallVector<Decl *, 4> ExprCaptures; | |||
16576 | /// List of postupdate expressions. | |||
16577 | SmallVector<Expr *, 4> ExprPostUpdates; | |||
16578 | /// Reduction modifier. | |||
16579 | unsigned RedModifier = 0; | |||
16580 | ReductionData() = delete; | |||
16581 | /// Reserves required memory for the reduction data. | |||
16582 | ReductionData(unsigned Size, unsigned Modifier = 0) : RedModifier(Modifier) { | |||
16583 | Vars.reserve(Size); | |||
16584 | Privates.reserve(Size); | |||
16585 | LHSs.reserve(Size); | |||
16586 | RHSs.reserve(Size); | |||
16587 | ReductionOps.reserve(Size); | |||
16588 | if (RedModifier == OMPC_REDUCTION_inscan) { | |||
16589 | InscanCopyOps.reserve(Size); | |||
16590 | InscanCopyArrayTemps.reserve(Size); | |||
16591 | InscanCopyArrayElems.reserve(Size); | |||
16592 | } | |||
16593 | TaskgroupDescriptors.reserve(Size); | |||
16594 | ExprCaptures.reserve(Size); | |||
16595 | ExprPostUpdates.reserve(Size); | |||
16596 | } | |||
16597 | /// Stores reduction item and reduction operation only (required for dependent | |||
16598 | /// reduction item). | |||
16599 | void push(Expr *Item, Expr *ReductionOp) { | |||
16600 | Vars.emplace_back(Item); | |||
16601 | Privates.emplace_back(nullptr); | |||
16602 | LHSs.emplace_back(nullptr); | |||
16603 | RHSs.emplace_back(nullptr); | |||
16604 | ReductionOps.emplace_back(ReductionOp); | |||
16605 | TaskgroupDescriptors.emplace_back(nullptr); | |||
16606 | if (RedModifier == OMPC_REDUCTION_inscan) { | |||
16607 | InscanCopyOps.push_back(nullptr); | |||
16608 | InscanCopyArrayTemps.push_back(nullptr); | |||
16609 | InscanCopyArrayElems.push_back(nullptr); | |||
16610 | } | |||
16611 | } | |||
16612 | /// Stores reduction data. | |||
16613 | void push(Expr *Item, Expr *Private, Expr *LHS, Expr *RHS, Expr *ReductionOp, | |||
16614 | Expr *TaskgroupDescriptor, Expr *CopyOp, Expr *CopyArrayTemp, | |||
16615 | Expr *CopyArrayElem) { | |||
16616 | Vars.emplace_back(Item); | |||
16617 | Privates.emplace_back(Private); | |||
16618 | LHSs.emplace_back(LHS); | |||
16619 | RHSs.emplace_back(RHS); | |||
16620 | ReductionOps.emplace_back(ReductionOp); | |||
16621 | TaskgroupDescriptors.emplace_back(TaskgroupDescriptor); | |||
16622 | if (RedModifier == OMPC_REDUCTION_inscan) { | |||
16623 | InscanCopyOps.push_back(CopyOp); | |||
16624 | InscanCopyArrayTemps.push_back(CopyArrayTemp); | |||
16625 | InscanCopyArrayElems.push_back(CopyArrayElem); | |||
16626 | } else { | |||
16627 | assert(CopyOp == nullptr && CopyArrayTemp == nullptr &&((void)0) | |||
16628 | CopyArrayElem == nullptr &&((void)0) | |||
16629 | "Copy operation must be used for inscan reductions only.")((void)0); | |||
16630 | } | |||
16631 | } | |||
16632 | }; | |||
16633 | } // namespace | |||
16634 | ||||
16635 | static bool checkOMPArraySectionConstantForReduction( | |||
16636 | ASTContext &Context, const OMPArraySectionExpr *OASE, bool &SingleElement, | |||
16637 | SmallVectorImpl<llvm::APSInt> &ArraySizes) { | |||
16638 | const Expr *Length = OASE->getLength(); | |||
16639 | if (Length == nullptr) { | |||
16640 | // For array sections of the form [1:] or [:], we would need to analyze | |||
16641 | // the lower bound... | |||
16642 | if (OASE->getColonLocFirst().isValid()) | |||
16643 | return false; | |||
16644 | ||||
16645 | // This is an array subscript which has implicit length 1! | |||
16646 | SingleElement = true; | |||
16647 | ArraySizes.push_back(llvm::APSInt::get(1)); | |||
16648 | } else { | |||
16649 | Expr::EvalResult Result; | |||
16650 | if (!Length->EvaluateAsInt(Result, Context)) | |||
16651 | return false; | |||
16652 | ||||
16653 | llvm::APSInt ConstantLengthValue = Result.Val.getInt(); | |||
16654 | SingleElement = (ConstantLengthValue.getSExtValue() == 1); | |||
16655 | ArraySizes.push_back(ConstantLengthValue); | |||
16656 | } | |||
16657 | ||||
16658 | // Get the base of this array section and walk up from there. | |||
16659 | const Expr *Base = OASE->getBase()->IgnoreParenImpCasts(); | |||
16660 | ||||
16661 | // We require length = 1 for all array sections except the right-most to | |||
16662 | // guarantee that the memory region is contiguous and has no holes in it. | |||
16663 | while (const auto *TempOASE = dyn_cast<OMPArraySectionExpr>(Base)) { | |||
16664 | Length = TempOASE->getLength(); | |||
16665 | if (Length == nullptr) { | |||
16666 | // For array sections of the form [1:] or [:], we would need to analyze | |||
16667 | // the lower bound... | |||
16668 | if (OASE->getColonLocFirst().isValid()) | |||
16669 | return false; | |||
16670 | ||||
16671 | // This is an array subscript which has implicit length 1! | |||
16672 | ArraySizes.push_back(llvm::APSInt::get(1)); | |||
16673 | } else { | |||
16674 | Expr::EvalResult Result; | |||
16675 | if (!Length->EvaluateAsInt(Result, Context)) | |||
16676 | return false; | |||
16677 | ||||
16678 | llvm::APSInt ConstantLengthValue = Result.Val.getInt(); | |||
16679 | if (ConstantLengthValue.getSExtValue() != 1) | |||
16680 | return false; | |||
16681 | ||||
16682 | ArraySizes.push_back(ConstantLengthValue); | |||
16683 | } | |||
16684 | Base = TempOASE->getBase()->IgnoreParenImpCasts(); | |||
16685 | } | |||
16686 | ||||
16687 | // If we have a single element, we don't need to add the implicit lengths. | |||
16688 | if (!SingleElement) { | |||
16689 | while (const auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) { | |||
16690 | // Has implicit length 1! | |||
16691 | ArraySizes.push_back(llvm::APSInt::get(1)); | |||
16692 | Base = TempASE->getBase()->IgnoreParenImpCasts(); | |||
16693 | } | |||
16694 | } | |||
16695 | ||||
16696 | // This array section can be privatized as a single value or as a constant | |||
16697 | // sized array. | |||
16698 | return true; | |||
16699 | } | |||
16700 | ||||
16701 | static BinaryOperatorKind | |||
16702 | getRelatedCompoundReductionOp(BinaryOperatorKind BOK) { | |||
16703 | if (BOK == BO_Add) | |||
16704 | return BO_AddAssign; | |||
16705 | if (BOK == BO_Mul) | |||
16706 | return BO_MulAssign; | |||
16707 | if (BOK == BO_And) | |||
16708 | return BO_AndAssign; | |||
16709 | if (BOK == BO_Or) | |||
16710 | return BO_OrAssign; | |||
16711 | if (BOK == BO_Xor) | |||
16712 | return BO_XorAssign; | |||
16713 | return BOK; | |||
16714 | } | |||
16715 | ||||
16716 | static bool actOnOMPReductionKindClause( | |||
16717 | Sema &S, DSAStackTy *Stack, OpenMPClauseKind ClauseKind, | |||
16718 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, SourceLocation LParenLoc, | |||
16719 | SourceLocation ColonLoc, SourceLocation EndLoc, | |||
16720 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, | |||
16721 | ArrayRef<Expr *> UnresolvedReductions, ReductionData &RD) { | |||
16722 | DeclarationName DN = ReductionId.getName(); | |||
16723 | OverloadedOperatorKind OOK = DN.getCXXOverloadedOperator(); | |||
16724 | BinaryOperatorKind BOK = BO_Comma; | |||
16725 | ||||
16726 | ASTContext &Context = S.Context; | |||
16727 | // OpenMP [2.14.3.6, reduction clause] | |||
16728 | // C | |||
16729 | // reduction-identifier is either an identifier or one of the following | |||
16730 | // operators: +, -, *, &, |, ^, && and || | |||
16731 | // C++ | |||
16732 | // reduction-identifier is either an id-expression or one of the following | |||
16733 | // operators: +, -, *, &, |, ^, && and || | |||
16734 | switch (OOK) { | |||
16735 | case OO_Plus: | |||
16736 | case OO_Minus: | |||
16737 | BOK = BO_Add; | |||
16738 | break; | |||
16739 | case OO_Star: | |||
16740 | BOK = BO_Mul; | |||
16741 | break; | |||
16742 | case OO_Amp: | |||
16743 | BOK = BO_And; | |||
16744 | break; | |||
16745 | case OO_Pipe: | |||
16746 | BOK = BO_Or; | |||
16747 | break; | |||
16748 | case OO_Caret: | |||
16749 | BOK = BO_Xor; | |||
16750 | break; | |||
16751 | case OO_AmpAmp: | |||
16752 | BOK = BO_LAnd; | |||
16753 | break; | |||
16754 | case OO_PipePipe: | |||
16755 | BOK = BO_LOr; | |||
16756 | break; | |||
16757 | case OO_New: | |||
16758 | case OO_Delete: | |||
16759 | case OO_Array_New: | |||
16760 | case OO_Array_Delete: | |||
16761 | case OO_Slash: | |||
16762 | case OO_Percent: | |||
16763 | case OO_Tilde: | |||
16764 | case OO_Exclaim: | |||
16765 | case OO_Equal: | |||
16766 | case OO_Less: | |||
16767 | case OO_Greater: | |||
16768 | case OO_LessEqual: | |||
16769 | case OO_GreaterEqual: | |||
16770 | case OO_PlusEqual: | |||
16771 | case OO_MinusEqual: | |||
16772 | case OO_StarEqual: | |||
16773 | case OO_SlashEqual: | |||
16774 | case OO_PercentEqual: | |||
16775 | case OO_CaretEqual: | |||
16776 | case OO_AmpEqual: | |||
16777 | case OO_PipeEqual: | |||
16778 | case OO_LessLess: | |||
16779 | case OO_GreaterGreater: | |||
16780 | case OO_LessLessEqual: | |||
16781 | case OO_GreaterGreaterEqual: | |||
16782 | case OO_EqualEqual: | |||
16783 | case OO_ExclaimEqual: | |||
16784 | case OO_Spaceship: | |||
16785 | case OO_PlusPlus: | |||
16786 | case OO_MinusMinus: | |||
16787 | case OO_Comma: | |||
16788 | case OO_ArrowStar: | |||
16789 | case OO_Arrow: | |||
16790 | case OO_Call: | |||
16791 | case OO_Subscript: | |||
16792 | case OO_Conditional: | |||
16793 | case OO_Coawait: | |||
16794 | case NUM_OVERLOADED_OPERATORS: | |||
16795 | llvm_unreachable("Unexpected reduction identifier")__builtin_unreachable(); | |||
16796 | case OO_None: | |||
16797 | if (IdentifierInfo *II = DN.getAsIdentifierInfo()) { | |||
16798 | if (II->isStr("max")) | |||
16799 | BOK = BO_GT; | |||
16800 | else if (II->isStr("min")) | |||
16801 | BOK = BO_LT; | |||
16802 | } | |||
16803 | break; | |||
16804 | } | |||
16805 | SourceRange ReductionIdRange; | |||
16806 | if (ReductionIdScopeSpec.isValid()) | |||
16807 | ReductionIdRange.setBegin(ReductionIdScopeSpec.getBeginLoc()); | |||
16808 | else | |||
16809 | ReductionIdRange.setBegin(ReductionId.getBeginLoc()); | |||
16810 | ReductionIdRange.setEnd(ReductionId.getEndLoc()); | |||
16811 | ||||
16812 | auto IR = UnresolvedReductions.begin(), ER = UnresolvedReductions.end(); | |||
16813 | bool FirstIter = true; | |||
16814 | for (Expr *RefExpr : VarList) { | |||
16815 | assert(RefExpr && "nullptr expr in OpenMP reduction clause.")((void)0); | |||
16816 | // OpenMP [2.1, C/C++] | |||
16817 | // A list item is a variable or array section, subject to the restrictions | |||
16818 | // specified in Section 2.4 on page 42 and in each of the sections | |||
16819 | // describing clauses and directives for which a list appears. | |||
16820 | // OpenMP [2.14.3.3, Restrictions, p.1] | |||
16821 | // A variable that is part of another variable (as an array or | |||
16822 | // structure element) cannot appear in a private clause. | |||
16823 | if (!FirstIter && IR != ER) | |||
16824 | ++IR; | |||
16825 | FirstIter = false; | |||
16826 | SourceLocation ELoc; | |||
16827 | SourceRange ERange; | |||
16828 | Expr *SimpleRefExpr = RefExpr; | |||
16829 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange, | |||
16830 | /*AllowArraySection=*/true); | |||
16831 | if (Res.second) { | |||
16832 | // Try to find 'declare reduction' corresponding construct before using | |||
16833 | // builtin/overloaded operators. | |||
16834 | QualType Type = Context.DependentTy; | |||
16835 | CXXCastPath BasePath; | |||
16836 | ExprResult DeclareReductionRef = buildDeclareReductionRef( | |||
16837 | S, ELoc, ERange, Stack->getCurScope(), ReductionIdScopeSpec, | |||
16838 | ReductionId, Type, BasePath, IR == ER ? nullptr : *IR); | |||
16839 | Expr *ReductionOp = nullptr; | |||
16840 | if (S.CurContext->isDependentContext() && | |||
16841 | (DeclareReductionRef.isUnset() || | |||
16842 | isa<UnresolvedLookupExpr>(DeclareReductionRef.get()))) | |||
16843 | ReductionOp = DeclareReductionRef.get(); | |||
16844 | // It will be analyzed later. | |||
16845 | RD.push(RefExpr, ReductionOp); | |||
16846 | } | |||
16847 | ValueDecl *D = Res.first; | |||
16848 | if (!D) | |||
16849 | continue; | |||
16850 | ||||
16851 | Expr *TaskgroupDescriptor = nullptr; | |||
16852 | QualType Type; | |||
16853 | auto *ASE = dyn_cast<ArraySubscriptExpr>(RefExpr->IgnoreParens()); | |||
16854 | auto *OASE = dyn_cast<OMPArraySectionExpr>(RefExpr->IgnoreParens()); | |||
16855 | if (ASE) { | |||
16856 | Type = ASE->getType().getNonReferenceType(); | |||
16857 | } else if (OASE) { | |||
16858 | QualType BaseType = | |||
16859 | OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); | |||
16860 | if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) | |||
16861 | Type = ATy->getElementType(); | |||
16862 | else | |||
16863 | Type = BaseType->getPointeeType(); | |||
16864 | Type = Type.getNonReferenceType(); | |||
16865 | } else { | |||
16866 | Type = Context.getBaseElementType(D->getType().getNonReferenceType()); | |||
16867 | } | |||
16868 | auto *VD = dyn_cast<VarDecl>(D); | |||
16869 | ||||
16870 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.3] | |||
16871 | // A variable that appears in a private clause must not have an incomplete | |||
16872 | // type or a reference type. | |||
16873 | if (S.RequireCompleteType(ELoc, D->getType(), | |||
16874 | diag::err_omp_reduction_incomplete_type)) | |||
16875 | continue; | |||
16876 | // OpenMP [2.14.3.6, reduction clause, Restrictions] | |||
16877 | // A list item that appears in a reduction clause must not be | |||
16878 | // const-qualified. | |||
16879 | if (rejectConstNotMutableType(S, D, Type, ClauseKind, ELoc, | |||
16880 | /*AcceptIfMutable*/ false, ASE || OASE)) | |||
16881 | continue; | |||
16882 | ||||
16883 | OpenMPDirectiveKind CurrDir = Stack->getCurrentDirective(); | |||
16884 | // OpenMP [2.9.3.6, Restrictions, C/C++, p.4] | |||
16885 | // If a list-item is a reference type then it must bind to the same object | |||
16886 | // for all threads of the team. | |||
16887 | if (!ASE && !OASE) { | |||
16888 | if (VD) { | |||
16889 | VarDecl *VDDef = VD->getDefinition(); | |||
16890 | if (VD->getType()->isReferenceType() && VDDef && VDDef->hasInit()) { | |||
16891 | DSARefChecker Check(Stack); | |||
16892 | if (Check.Visit(VDDef->getInit())) { | |||
16893 | S.Diag(ELoc, diag::err_omp_reduction_ref_type_arg) | |||
16894 | << getOpenMPClauseName(ClauseKind) << ERange; | |||
16895 | S.Diag(VDDef->getLocation(), diag::note_defined_here) << VDDef; | |||
16896 | continue; | |||
16897 | } | |||
16898 | } | |||
16899 | } | |||
16900 | ||||
16901 | // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
16902 | // in a Construct] | |||
16903 | // Variables with the predetermined data-sharing attributes may not be | |||
16904 | // listed in data-sharing attributes clauses, except for the cases | |||
16905 | // listed below. For these exceptions only, listing a predetermined | |||
16906 | // variable in a data-sharing attribute clause is allowed and overrides | |||
16907 | // the variable's predetermined data-sharing attributes. | |||
16908 | // OpenMP [2.14.3.6, Restrictions, p.3] | |||
16909 | // Any number of reduction clauses can be specified on the directive, | |||
16910 | // but a list item can appear only once in the reduction clauses for that | |||
16911 | // directive. | |||
16912 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(D, /*FromParent=*/false); | |||
16913 | if (DVar.CKind == OMPC_reduction) { | |||
16914 | S.Diag(ELoc, diag::err_omp_once_referenced) | |||
16915 | << getOpenMPClauseName(ClauseKind); | |||
16916 | if (DVar.RefExpr) | |||
16917 | S.Diag(DVar.RefExpr->getExprLoc(), diag::note_omp_referenced); | |||
16918 | continue; | |||
16919 | } | |||
16920 | if (DVar.CKind != OMPC_unknown) { | |||
16921 | S.Diag(ELoc, diag::err_omp_wrong_dsa) | |||
16922 | << getOpenMPClauseName(DVar.CKind) | |||
16923 | << getOpenMPClauseName(OMPC_reduction); | |||
16924 | reportOriginalDsa(S, Stack, D, DVar); | |||
16925 | continue; | |||
16926 | } | |||
16927 | ||||
16928 | // OpenMP [2.14.3.6, Restrictions, p.1] | |||
16929 | // A list item that appears in a reduction clause of a worksharing | |||
16930 | // construct must be shared in the parallel regions to which any of the | |||
16931 | // worksharing regions arising from the worksharing construct bind. | |||
16932 | if (isOpenMPWorksharingDirective(CurrDir) && | |||
16933 | !isOpenMPParallelDirective(CurrDir) && | |||
16934 | !isOpenMPTeamsDirective(CurrDir)) { | |||
16935 | DVar = Stack->getImplicitDSA(D, true); | |||
16936 | if (DVar.CKind != OMPC_shared) { | |||
16937 | S.Diag(ELoc, diag::err_omp_required_access) | |||
16938 | << getOpenMPClauseName(OMPC_reduction) | |||
16939 | << getOpenMPClauseName(OMPC_shared); | |||
16940 | reportOriginalDsa(S, Stack, D, DVar); | |||
16941 | continue; | |||
16942 | } | |||
16943 | } | |||
16944 | } else { | |||
16945 | // Threadprivates cannot be shared between threads, so dignose if the base | |||
16946 | // is a threadprivate variable. | |||
16947 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(D, /*FromParent=*/false); | |||
16948 | if (DVar.CKind == OMPC_threadprivate) { | |||
16949 | S.Diag(ELoc, diag::err_omp_wrong_dsa) | |||
16950 | << getOpenMPClauseName(DVar.CKind) | |||
16951 | << getOpenMPClauseName(OMPC_reduction); | |||
16952 | reportOriginalDsa(S, Stack, D, DVar); | |||
16953 | continue; | |||
16954 | } | |||
16955 | } | |||
16956 | ||||
16957 | // Try to find 'declare reduction' corresponding construct before using | |||
16958 | // builtin/overloaded operators. | |||
16959 | CXXCastPath BasePath; | |||
16960 | ExprResult DeclareReductionRef = buildDeclareReductionRef( | |||
16961 | S, ELoc, ERange, Stack->getCurScope(), ReductionIdScopeSpec, | |||
16962 | ReductionId, Type, BasePath, IR == ER ? nullptr : *IR); | |||
16963 | if (DeclareReductionRef.isInvalid()) | |||
16964 | continue; | |||
16965 | if (S.CurContext->isDependentContext() && | |||
16966 | (DeclareReductionRef.isUnset() || | |||
16967 | isa<UnresolvedLookupExpr>(DeclareReductionRef.get()))) { | |||
16968 | RD.push(RefExpr, DeclareReductionRef.get()); | |||
16969 | continue; | |||
16970 | } | |||
16971 | if (BOK == BO_Comma && DeclareReductionRef.isUnset()) { | |||
16972 | // Not allowed reduction identifier is found. | |||
16973 | S.Diag(ReductionId.getBeginLoc(), | |||
16974 | diag::err_omp_unknown_reduction_identifier) | |||
16975 | << Type << ReductionIdRange; | |||
16976 | continue; | |||
16977 | } | |||
16978 | ||||
16979 | // OpenMP [2.14.3.6, reduction clause, Restrictions] | |||
16980 | // The type of a list item that appears in a reduction clause must be valid | |||
16981 | // for the reduction-identifier. For a max or min reduction in C, the type | |||
16982 | // of the list item must be an allowed arithmetic data type: char, int, | |||
16983 | // float, double, or _Bool, possibly modified with long, short, signed, or | |||
16984 | // unsigned. For a max or min reduction in C++, the type of the list item | |||
16985 | // must be an allowed arithmetic data type: char, wchar_t, int, float, | |||
16986 | // double, or bool, possibly modified with long, short, signed, or unsigned. | |||
16987 | if (DeclareReductionRef.isUnset()) { | |||
16988 | if ((BOK == BO_GT || BOK == BO_LT) && | |||
16989 | !(Type->isScalarType() || | |||
16990 | (S.getLangOpts().CPlusPlus && Type->isArithmeticType()))) { | |||
16991 | S.Diag(ELoc, diag::err_omp_clause_not_arithmetic_type_arg) | |||
16992 | << getOpenMPClauseName(ClauseKind) << S.getLangOpts().CPlusPlus; | |||
16993 | if (!ASE && !OASE) { | |||
16994 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == | |||
16995 | VarDecl::DeclarationOnly; | |||
16996 | S.Diag(D->getLocation(), | |||
16997 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
16998 | << D; | |||
16999 | } | |||
17000 | continue; | |||
17001 | } | |||
17002 | if ((BOK == BO_OrAssign || BOK == BO_AndAssign || BOK == BO_XorAssign) && | |||
17003 | !S.getLangOpts().CPlusPlus && Type->isFloatingType()) { | |||
17004 | S.Diag(ELoc, diag::err_omp_clause_floating_type_arg) | |||
17005 | << getOpenMPClauseName(ClauseKind); | |||
17006 | if (!ASE && !OASE) { | |||
17007 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == | |||
17008 | VarDecl::DeclarationOnly; | |||
17009 | S.Diag(D->getLocation(), | |||
17010 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
17011 | << D; | |||
17012 | } | |||
17013 | continue; | |||
17014 | } | |||
17015 | } | |||
17016 | ||||
17017 | Type = Type.getNonLValueExprType(Context).getUnqualifiedType(); | |||
17018 | VarDecl *LHSVD = buildVarDecl(S, ELoc, Type, ".reduction.lhs", | |||
17019 | D->hasAttrs() ? &D->getAttrs() : nullptr); | |||
17020 | VarDecl *RHSVD = buildVarDecl(S, ELoc, Type, D->getName(), | |||
17021 | D->hasAttrs() ? &D->getAttrs() : nullptr); | |||
17022 | QualType PrivateTy = Type; | |||
17023 | ||||
17024 | // Try if we can determine constant lengths for all array sections and avoid | |||
17025 | // the VLA. | |||
17026 | bool ConstantLengthOASE = false; | |||
17027 | if (OASE) { | |||
17028 | bool SingleElement; | |||
17029 | llvm::SmallVector<llvm::APSInt, 4> ArraySizes; | |||
17030 | ConstantLengthOASE = checkOMPArraySectionConstantForReduction( | |||
17031 | Context, OASE, SingleElement, ArraySizes); | |||
17032 | ||||
17033 | // If we don't have a single element, we must emit a constant array type. | |||
17034 | if (ConstantLengthOASE && !SingleElement) { | |||
17035 | for (llvm::APSInt &Size : ArraySizes) | |||
17036 | PrivateTy = Context.getConstantArrayType(PrivateTy, Size, nullptr, | |||
17037 | ArrayType::Normal, | |||
17038 | /*IndexTypeQuals=*/0); | |||
17039 | } | |||
17040 | } | |||
17041 | ||||
17042 | if ((OASE && !ConstantLengthOASE) || | |||
17043 | (!OASE && !ASE && | |||
17044 | D->getType().getNonReferenceType()->isVariablyModifiedType())) { | |||
17045 | if (!Context.getTargetInfo().isVLASupported()) { | |||
17046 | if (isOpenMPTargetExecutionDirective(Stack->getCurrentDirective())) { | |||
17047 | S.Diag(ELoc, diag::err_omp_reduction_vla_unsupported) << !!OASE; | |||
17048 | S.Diag(ELoc, diag::note_vla_unsupported); | |||
17049 | continue; | |||
17050 | } else { | |||
17051 | S.targetDiag(ELoc, diag::err_omp_reduction_vla_unsupported) << !!OASE; | |||
17052 | S.targetDiag(ELoc, diag::note_vla_unsupported); | |||
17053 | } | |||
17054 | } | |||
17055 | // For arrays/array sections only: | |||
17056 | // Create pseudo array type for private copy. The size for this array will | |||
17057 | // be generated during codegen. | |||
17058 | // For array subscripts or single variables Private Ty is the same as Type | |||
17059 | // (type of the variable or single array element). | |||
17060 | PrivateTy = Context.getVariableArrayType( | |||
17061 | Type, | |||
17062 | new (Context) | |||
17063 | OpaqueValueExpr(ELoc, Context.getSizeType(), VK_PRValue), | |||
17064 | ArrayType::Normal, /*IndexTypeQuals=*/0, SourceRange()); | |||
17065 | } else if (!ASE && !OASE && | |||
17066 | Context.getAsArrayType(D->getType().getNonReferenceType())) { | |||
17067 | PrivateTy = D->getType().getNonReferenceType(); | |||
17068 | } | |||
17069 | // Private copy. | |||
17070 | VarDecl *PrivateVD = | |||
17071 | buildVarDecl(S, ELoc, PrivateTy, D->getName(), | |||
17072 | D->hasAttrs() ? &D->getAttrs() : nullptr, | |||
17073 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); | |||
17074 | // Add initializer for private variable. | |||
17075 | Expr *Init = nullptr; | |||
17076 | DeclRefExpr *LHSDRE = buildDeclRefExpr(S, LHSVD, Type, ELoc); | |||
17077 | DeclRefExpr *RHSDRE = buildDeclRefExpr(S, RHSVD, Type, ELoc); | |||
17078 | if (DeclareReductionRef.isUsable()) { | |||
17079 | auto *DRDRef = DeclareReductionRef.getAs<DeclRefExpr>(); | |||
17080 | auto *DRD = cast<OMPDeclareReductionDecl>(DRDRef->getDecl()); | |||
17081 | if (DRD->getInitializer()) { | |||
17082 | Init = DRDRef; | |||
17083 | RHSVD->setInit(DRDRef); | |||
17084 | RHSVD->setInitStyle(VarDecl::CallInit); | |||
17085 | } | |||
17086 | } else { | |||
17087 | switch (BOK) { | |||
17088 | case BO_Add: | |||
17089 | case BO_Xor: | |||
17090 | case BO_Or: | |||
17091 | case BO_LOr: | |||
17092 | // '+', '-', '^', '|', '||' reduction ops - initializer is '0'. | |||
17093 | if (Type->isScalarType() || Type->isAnyComplexType()) | |||
17094 | Init = S.ActOnIntegerConstant(ELoc, /*Val=*/0).get(); | |||
17095 | break; | |||
17096 | case BO_Mul: | |||
17097 | case BO_LAnd: | |||
17098 | if (Type->isScalarType() || Type->isAnyComplexType()) { | |||
17099 | // '*' and '&&' reduction ops - initializer is '1'. | |||
17100 | Init = S.ActOnIntegerConstant(ELoc, /*Val=*/1).get(); | |||
17101 | } | |||
17102 | break; | |||
17103 | case BO_And: { | |||
17104 | // '&' reduction op - initializer is '~0'. | |||
17105 | QualType OrigType = Type; | |||
17106 | if (auto *ComplexTy = OrigType->getAs<ComplexType>()) | |||
17107 | Type = ComplexTy->getElementType(); | |||
17108 | if (Type->isRealFloatingType()) { | |||
17109 | llvm::APFloat InitValue = llvm::APFloat::getAllOnesValue( | |||
17110 | Context.getFloatTypeSemantics(Type), | |||
17111 | Context.getTypeSize(Type)); | |||
17112 | Init = FloatingLiteral::Create(Context, InitValue, /*isexact=*/true, | |||
17113 | Type, ELoc); | |||
17114 | } else if (Type->isScalarType()) { | |||
17115 | uint64_t Size = Context.getTypeSize(Type); | |||
17116 | QualType IntTy = Context.getIntTypeForBitwidth(Size, /*Signed=*/0); | |||
17117 | llvm::APInt InitValue = llvm::APInt::getAllOnesValue(Size); | |||
17118 | Init = IntegerLiteral::Create(Context, InitValue, IntTy, ELoc); | |||
17119 | } | |||
17120 | if (Init && OrigType->isAnyComplexType()) { | |||
17121 | // Init = 0xFFFF + 0xFFFFi; | |||
17122 | auto *Im = new (Context) ImaginaryLiteral(Init, OrigType); | |||
17123 | Init = S.CreateBuiltinBinOp(ELoc, BO_Add, Init, Im).get(); | |||
17124 | } | |||
17125 | Type = OrigType; | |||
17126 | break; | |||
17127 | } | |||
17128 | case BO_LT: | |||
17129 | case BO_GT: { | |||
17130 | // 'min' reduction op - initializer is 'Largest representable number in | |||
17131 | // the reduction list item type'. | |||
17132 | // 'max' reduction op - initializer is 'Least representable number in | |||
17133 | // the reduction list item type'. | |||
17134 | if (Type->isIntegerType() || Type->isPointerType()) { | |||
17135 | bool IsSigned = Type->hasSignedIntegerRepresentation(); | |||
17136 | uint64_t Size = Context.getTypeSize(Type); | |||
17137 | QualType IntTy = | |||
17138 | Context.getIntTypeForBitwidth(Size, /*Signed=*/IsSigned); | |||
17139 | llvm::APInt InitValue = | |||
17140 | (BOK != BO_LT) ? IsSigned ? llvm::APInt::getSignedMinValue(Size) | |||
17141 | : llvm::APInt::getMinValue(Size) | |||
17142 | : IsSigned ? llvm::APInt::getSignedMaxValue(Size) | |||
17143 | : llvm::APInt::getMaxValue(Size); | |||
17144 | Init = IntegerLiteral::Create(Context, InitValue, IntTy, ELoc); | |||
17145 | if (Type->isPointerType()) { | |||
17146 | // Cast to pointer type. | |||
17147 | ExprResult CastExpr = S.BuildCStyleCastExpr( | |||
17148 | ELoc, Context.getTrivialTypeSourceInfo(Type, ELoc), ELoc, Init); | |||
17149 | if (CastExpr.isInvalid()) | |||
17150 | continue; | |||
17151 | Init = CastExpr.get(); | |||
17152 | } | |||
17153 | } else if (Type->isRealFloatingType()) { | |||
17154 | llvm::APFloat InitValue = llvm::APFloat::getLargest( | |||
17155 | Context.getFloatTypeSemantics(Type), BOK != BO_LT); | |||
17156 | Init = FloatingLiteral::Create(Context, InitValue, /*isexact=*/true, | |||
17157 | Type, ELoc); | |||
17158 | } | |||
17159 | break; | |||
17160 | } | |||
17161 | case BO_PtrMemD: | |||
17162 | case BO_PtrMemI: | |||
17163 | case BO_MulAssign: | |||
17164 | case BO_Div: | |||
17165 | case BO_Rem: | |||
17166 | case BO_Sub: | |||
17167 | case BO_Shl: | |||
17168 | case BO_Shr: | |||
17169 | case BO_LE: | |||
17170 | case BO_GE: | |||
17171 | case BO_EQ: | |||
17172 | case BO_NE: | |||
17173 | case BO_Cmp: | |||
17174 | case BO_AndAssign: | |||
17175 | case BO_XorAssign: | |||
17176 | case BO_OrAssign: | |||
17177 | case BO_Assign: | |||
17178 | case BO_AddAssign: | |||
17179 | case BO_SubAssign: | |||
17180 | case BO_DivAssign: | |||
17181 | case BO_RemAssign: | |||
17182 | case BO_ShlAssign: | |||
17183 | case BO_ShrAssign: | |||
17184 | case BO_Comma: | |||
17185 | llvm_unreachable("Unexpected reduction operation")__builtin_unreachable(); | |||
17186 | } | |||
17187 | } | |||
17188 | if (Init && DeclareReductionRef.isUnset()) { | |||
17189 | S.AddInitializerToDecl(RHSVD, Init, /*DirectInit=*/false); | |||
17190 | // Store initializer for single element in private copy. Will be used | |||
17191 | // during codegen. | |||
17192 | PrivateVD->setInit(RHSVD->getInit()); | |||
17193 | PrivateVD->setInitStyle(RHSVD->getInitStyle()); | |||
17194 | } else if (!Init) { | |||
17195 | S.ActOnUninitializedDecl(RHSVD); | |||
17196 | // Store initializer for single element in private copy. Will be used | |||
17197 | // during codegen. | |||
17198 | PrivateVD->setInit(RHSVD->getInit()); | |||
17199 | PrivateVD->setInitStyle(RHSVD->getInitStyle()); | |||
17200 | } | |||
17201 | if (RHSVD->isInvalidDecl()) | |||
17202 | continue; | |||
17203 | if (!RHSVD->hasInit() && DeclareReductionRef.isUnset()) { | |||
17204 | S.Diag(ELoc, diag::err_omp_reduction_id_not_compatible) | |||
17205 | << Type << ReductionIdRange; | |||
17206 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == | |||
17207 | VarDecl::DeclarationOnly; | |||
17208 | S.Diag(D->getLocation(), | |||
17209 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
17210 | << D; | |||
17211 | continue; | |||
17212 | } | |||
17213 | DeclRefExpr *PrivateDRE = buildDeclRefExpr(S, PrivateVD, PrivateTy, ELoc); | |||
17214 | ExprResult ReductionOp; | |||
17215 | if (DeclareReductionRef.isUsable()) { | |||
17216 | QualType RedTy = DeclareReductionRef.get()->getType(); | |||
17217 | QualType PtrRedTy = Context.getPointerType(RedTy); | |||
17218 | ExprResult LHS = S.CreateBuiltinUnaryOp(ELoc, UO_AddrOf, LHSDRE); | |||
17219 | ExprResult RHS = S.CreateBuiltinUnaryOp(ELoc, UO_AddrOf, RHSDRE); | |||
17220 | if (!BasePath.empty()) { | |||
17221 | LHS = S.DefaultLvalueConversion(LHS.get()); | |||
17222 | RHS = S.DefaultLvalueConversion(RHS.get()); | |||
17223 | LHS = ImplicitCastExpr::Create( | |||
17224 | Context, PtrRedTy, CK_UncheckedDerivedToBase, LHS.get(), &BasePath, | |||
17225 | LHS.get()->getValueKind(), FPOptionsOverride()); | |||
17226 | RHS = ImplicitCastExpr::Create( | |||
17227 | Context, PtrRedTy, CK_UncheckedDerivedToBase, RHS.get(), &BasePath, | |||
17228 | RHS.get()->getValueKind(), FPOptionsOverride()); | |||
17229 | } | |||
17230 | FunctionProtoType::ExtProtoInfo EPI; | |||
17231 | QualType Params[] = {PtrRedTy, PtrRedTy}; | |||
17232 | QualType FnTy = Context.getFunctionType(Context.VoidTy, Params, EPI); | |||
17233 | auto *OVE = new (Context) OpaqueValueExpr( | |||
17234 | ELoc, Context.getPointerType(FnTy), VK_PRValue, OK_Ordinary, | |||
17235 | S.DefaultLvalueConversion(DeclareReductionRef.get()).get()); | |||
17236 | Expr *Args[] = {LHS.get(), RHS.get()}; | |||
17237 | ReductionOp = | |||
17238 | CallExpr::Create(Context, OVE, Args, Context.VoidTy, VK_PRValue, ELoc, | |||
17239 | S.CurFPFeatureOverrides()); | |||
17240 | } else { | |||
17241 | BinaryOperatorKind CombBOK = getRelatedCompoundReductionOp(BOK); | |||
17242 | if (Type->isRecordType() && CombBOK != BOK) { | |||
17243 | Sema::TentativeAnalysisScope Trap(S); | |||
17244 | ReductionOp = | |||
17245 | S.BuildBinOp(Stack->getCurScope(), ReductionId.getBeginLoc(), | |||
17246 | CombBOK, LHSDRE, RHSDRE); | |||
17247 | } | |||
17248 | if (!ReductionOp.isUsable()) { | |||
17249 | ReductionOp = | |||
17250 | S.BuildBinOp(Stack->getCurScope(), ReductionId.getBeginLoc(), BOK, | |||
17251 | LHSDRE, RHSDRE); | |||
17252 | if (ReductionOp.isUsable()) { | |||
17253 | if (BOK != BO_LT && BOK != BO_GT) { | |||
17254 | ReductionOp = | |||
17255 | S.BuildBinOp(Stack->getCurScope(), ReductionId.getBeginLoc(), | |||
17256 | BO_Assign, LHSDRE, ReductionOp.get()); | |||
17257 | } else { | |||
17258 | auto *ConditionalOp = new (Context) | |||
17259 | ConditionalOperator(ReductionOp.get(), ELoc, LHSDRE, ELoc, | |||
17260 | RHSDRE, Type, VK_LValue, OK_Ordinary); | |||
17261 | ReductionOp = | |||
17262 | S.BuildBinOp(Stack->getCurScope(), ReductionId.getBeginLoc(), | |||
17263 | BO_Assign, LHSDRE, ConditionalOp); | |||
17264 | } | |||
17265 | } | |||
17266 | } | |||
17267 | if (ReductionOp.isUsable()) | |||
17268 | ReductionOp = S.ActOnFinishFullExpr(ReductionOp.get(), | |||
17269 | /*DiscardedValue*/ false); | |||
17270 | if (!ReductionOp.isUsable()) | |||
17271 | continue; | |||
17272 | } | |||
17273 | ||||
17274 | // Add copy operations for inscan reductions. | |||
17275 | // LHS = RHS; | |||
17276 | ExprResult CopyOpRes, TempArrayRes, TempArrayElem; | |||
17277 | if (ClauseKind == OMPC_reduction && | |||
17278 | RD.RedModifier == OMPC_REDUCTION_inscan) { | |||
17279 | ExprResult RHS = S.DefaultLvalueConversion(RHSDRE); | |||
17280 | CopyOpRes = S.BuildBinOp(Stack->getCurScope(), ELoc, BO_Assign, LHSDRE, | |||
17281 | RHS.get()); | |||
17282 | if (!CopyOpRes.isUsable()) | |||
17283 | continue; | |||
17284 | CopyOpRes = | |||
17285 | S.ActOnFinishFullExpr(CopyOpRes.get(), /*DiscardedValue=*/true); | |||
17286 | if (!CopyOpRes.isUsable()) | |||
17287 | continue; | |||
17288 | // For simd directive and simd-based directives in simd mode no need to | |||
17289 | // construct temp array, need just a single temp element. | |||
17290 | if (Stack->getCurrentDirective() == OMPD_simd || | |||
17291 | (S.getLangOpts().OpenMPSimd && | |||
17292 | isOpenMPSimdDirective(Stack->getCurrentDirective()))) { | |||
17293 | VarDecl *TempArrayVD = | |||
17294 | buildVarDecl(S, ELoc, PrivateTy, D->getName(), | |||
17295 | D->hasAttrs() ? &D->getAttrs() : nullptr); | |||
17296 | // Add a constructor to the temp decl. | |||
17297 | S.ActOnUninitializedDecl(TempArrayVD); | |||
17298 | TempArrayRes = buildDeclRefExpr(S, TempArrayVD, PrivateTy, ELoc); | |||
17299 | } else { | |||
17300 | // Build temp array for prefix sum. | |||
17301 | auto *Dim = new (S.Context) | |||
17302 | OpaqueValueExpr(ELoc, S.Context.getSizeType(), VK_PRValue); | |||
17303 | QualType ArrayTy = | |||
17304 | S.Context.getVariableArrayType(PrivateTy, Dim, ArrayType::Normal, | |||
17305 | /*IndexTypeQuals=*/0, {ELoc, ELoc}); | |||
17306 | VarDecl *TempArrayVD = | |||
17307 | buildVarDecl(S, ELoc, ArrayTy, D->getName(), | |||
17308 | D->hasAttrs() ? &D->getAttrs() : nullptr); | |||
17309 | // Add a constructor to the temp decl. | |||
17310 | S.ActOnUninitializedDecl(TempArrayVD); | |||
17311 | TempArrayRes = buildDeclRefExpr(S, TempArrayVD, ArrayTy, ELoc); | |||
17312 | TempArrayElem = | |||
17313 | S.DefaultFunctionArrayLvalueConversion(TempArrayRes.get()); | |||
17314 | auto *Idx = new (S.Context) | |||
17315 | OpaqueValueExpr(ELoc, S.Context.getSizeType(), VK_PRValue); | |||
17316 | TempArrayElem = S.CreateBuiltinArraySubscriptExpr(TempArrayElem.get(), | |||
17317 | ELoc, Idx, ELoc); | |||
17318 | } | |||
17319 | } | |||
17320 | ||||
17321 | // OpenMP [2.15.4.6, Restrictions, p.2] | |||
17322 | // A list item that appears in an in_reduction clause of a task construct | |||
17323 | // must appear in a task_reduction clause of a construct associated with a | |||
17324 | // taskgroup region that includes the participating task in its taskgroup | |||
17325 | // set. The construct associated with the innermost region that meets this | |||
17326 | // condition must specify the same reduction-identifier as the in_reduction | |||
17327 | // clause. | |||
17328 | if (ClauseKind == OMPC_in_reduction) { | |||
17329 | SourceRange ParentSR; | |||
17330 | BinaryOperatorKind ParentBOK; | |||
17331 | const Expr *ParentReductionOp = nullptr; | |||
17332 | Expr *ParentBOKTD = nullptr, *ParentReductionOpTD = nullptr; | |||
17333 | DSAStackTy::DSAVarData ParentBOKDSA = | |||
17334 | Stack->getTopMostTaskgroupReductionData(D, ParentSR, ParentBOK, | |||
17335 | ParentBOKTD); | |||
17336 | DSAStackTy::DSAVarData ParentReductionOpDSA = | |||
17337 | Stack->getTopMostTaskgroupReductionData( | |||
17338 | D, ParentSR, ParentReductionOp, ParentReductionOpTD); | |||
17339 | bool IsParentBOK = ParentBOKDSA.DKind != OMPD_unknown; | |||
17340 | bool IsParentReductionOp = ParentReductionOpDSA.DKind != OMPD_unknown; | |||
17341 | if ((DeclareReductionRef.isUnset() && IsParentReductionOp) || | |||
17342 | (DeclareReductionRef.isUsable() && IsParentBOK) || | |||
17343 | (IsParentBOK && BOK != ParentBOK) || IsParentReductionOp) { | |||
17344 | bool EmitError = true; | |||
17345 | if (IsParentReductionOp && DeclareReductionRef.isUsable()) { | |||
17346 | llvm::FoldingSetNodeID RedId, ParentRedId; | |||
17347 | ParentReductionOp->Profile(ParentRedId, Context, /*Canonical=*/true); | |||
17348 | DeclareReductionRef.get()->Profile(RedId, Context, | |||
17349 | /*Canonical=*/true); | |||
17350 | EmitError = RedId != ParentRedId; | |||
17351 | } | |||
17352 | if (EmitError) { | |||
17353 | S.Diag(ReductionId.getBeginLoc(), | |||
17354 | diag::err_omp_reduction_identifier_mismatch) | |||
17355 | << ReductionIdRange << RefExpr->getSourceRange(); | |||
17356 | S.Diag(ParentSR.getBegin(), | |||
17357 | diag::note_omp_previous_reduction_identifier) | |||
17358 | << ParentSR | |||
17359 | << (IsParentBOK ? ParentBOKDSA.RefExpr | |||
17360 | : ParentReductionOpDSA.RefExpr) | |||
17361 | ->getSourceRange(); | |||
17362 | continue; | |||
17363 | } | |||
17364 | } | |||
17365 | TaskgroupDescriptor = IsParentBOK ? ParentBOKTD : ParentReductionOpTD; | |||
17366 | } | |||
17367 | ||||
17368 | DeclRefExpr *Ref = nullptr; | |||
17369 | Expr *VarsExpr = RefExpr->IgnoreParens(); | |||
17370 | if (!VD && !S.CurContext->isDependentContext()) { | |||
17371 | if (ASE || OASE) { | |||
17372 | TransformExprToCaptures RebuildToCapture(S, D); | |||
17373 | VarsExpr = | |||
17374 | RebuildToCapture.TransformExpr(RefExpr->IgnoreParens()).get(); | |||
17375 | Ref = RebuildToCapture.getCapturedExpr(); | |||
17376 | } else { | |||
17377 | VarsExpr = Ref = buildCapture(S, D, SimpleRefExpr, /*WithInit=*/false); | |||
17378 | } | |||
17379 | if (!S.isOpenMPCapturedDecl(D)) { | |||
17380 | RD.ExprCaptures.emplace_back(Ref->getDecl()); | |||
17381 | if (Ref->getDecl()->hasAttr<OMPCaptureNoInitAttr>()) { | |||
17382 | ExprResult RefRes = S.DefaultLvalueConversion(Ref); | |||
17383 | if (!RefRes.isUsable()) | |||
17384 | continue; | |||
17385 | ExprResult PostUpdateRes = | |||
17386 | S.BuildBinOp(Stack->getCurScope(), ELoc, BO_Assign, SimpleRefExpr, | |||
17387 | RefRes.get()); | |||
17388 | if (!PostUpdateRes.isUsable()) | |||
17389 | continue; | |||
17390 | if (isOpenMPTaskingDirective(Stack->getCurrentDirective()) || | |||
17391 | Stack->getCurrentDirective() == OMPD_taskgroup) { | |||
17392 | S.Diag(RefExpr->getExprLoc(), | |||
17393 | diag::err_omp_reduction_non_addressable_expression) | |||
17394 | << RefExpr->getSourceRange(); | |||
17395 | continue; | |||
17396 | } | |||
17397 | RD.ExprPostUpdates.emplace_back( | |||
17398 | S.IgnoredValueConversions(PostUpdateRes.get()).get()); | |||
17399 | } | |||
17400 | } | |||
17401 | } | |||
17402 | // All reduction items are still marked as reduction (to do not increase | |||
17403 | // code base size). | |||
17404 | unsigned Modifier = RD.RedModifier; | |||
17405 | // Consider task_reductions as reductions with task modifier. Required for | |||
17406 | // correct analysis of in_reduction clauses. | |||
17407 | if (CurrDir == OMPD_taskgroup && ClauseKind == OMPC_task_reduction) | |||
17408 | Modifier = OMPC_REDUCTION_task; | |||
17409 | Stack->addDSA(D, RefExpr->IgnoreParens(), OMPC_reduction, Ref, Modifier, | |||
17410 | ASE || OASE); | |||
17411 | if (Modifier == OMPC_REDUCTION_task && | |||
17412 | (CurrDir == OMPD_taskgroup || | |||
17413 | ((isOpenMPParallelDirective(CurrDir) || | |||
17414 | isOpenMPWorksharingDirective(CurrDir)) && | |||
17415 | !isOpenMPSimdDirective(CurrDir)))) { | |||
17416 | if (DeclareReductionRef.isUsable()) | |||
17417 | Stack->addTaskgroupReductionData(D, ReductionIdRange, | |||
17418 | DeclareReductionRef.get()); | |||
17419 | else | |||
17420 | Stack->addTaskgroupReductionData(D, ReductionIdRange, BOK); | |||
17421 | } | |||
17422 | RD.push(VarsExpr, PrivateDRE, LHSDRE, RHSDRE, ReductionOp.get(), | |||
17423 | TaskgroupDescriptor, CopyOpRes.get(), TempArrayRes.get(), | |||
17424 | TempArrayElem.get()); | |||
17425 | } | |||
17426 | return RD.Vars.empty(); | |||
17427 | } | |||
17428 | ||||
17429 | OMPClause *Sema::ActOnOpenMPReductionClause( | |||
17430 | ArrayRef<Expr *> VarList, OpenMPReductionClauseModifier Modifier, | |||
17431 | SourceLocation StartLoc, SourceLocation LParenLoc, | |||
17432 | SourceLocation ModifierLoc, SourceLocation ColonLoc, SourceLocation EndLoc, | |||
17433 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, | |||
17434 | ArrayRef<Expr *> UnresolvedReductions) { | |||
17435 | if (ModifierLoc.isValid() && Modifier == OMPC_REDUCTION_unknown) { | |||
17436 | Diag(LParenLoc, diag::err_omp_unexpected_clause_value) | |||
17437 | << getListOfPossibleValues(OMPC_reduction, /*First=*/0, | |||
17438 | /*Last=*/OMPC_REDUCTION_unknown) | |||
17439 | << getOpenMPClauseName(OMPC_reduction); | |||
17440 | return nullptr; | |||
17441 | } | |||
17442 | // OpenMP 5.0, 2.19.5.4 reduction Clause, Restrictions | |||
17443 | // A reduction clause with the inscan reduction-modifier may only appear on a | |||
17444 | // worksharing-loop construct, a worksharing-loop SIMD construct, a simd | |||
17445 | // construct, a parallel worksharing-loop construct or a parallel | |||
17446 | // worksharing-loop SIMD construct. | |||
17447 | if (Modifier == OMPC_REDUCTION_inscan && | |||
17448 | (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_for && | |||
17449 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_for_simd && | |||
17450 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_simd && | |||
17451 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_parallel_for && | |||
17452 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_parallel_for_simd)) { | |||
17453 | Diag(ModifierLoc, diag::err_omp_wrong_inscan_reduction); | |||
17454 | return nullptr; | |||
17455 | } | |||
17456 | ||||
17457 | ReductionData RD(VarList.size(), Modifier); | |||
17458 | if (actOnOMPReductionKindClause(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_reduction, VarList, | |||
17459 | StartLoc, LParenLoc, ColonLoc, EndLoc, | |||
17460 | ReductionIdScopeSpec, ReductionId, | |||
17461 | UnresolvedReductions, RD)) | |||
17462 | return nullptr; | |||
17463 | ||||
17464 | return OMPReductionClause::Create( | |||
17465 | Context, StartLoc, LParenLoc, ModifierLoc, ColonLoc, EndLoc, Modifier, | |||
17466 | RD.Vars, ReductionIdScopeSpec.getWithLocInContext(Context), ReductionId, | |||
17467 | RD.Privates, RD.LHSs, RD.RHSs, RD.ReductionOps, RD.InscanCopyOps, | |||
17468 | RD.InscanCopyArrayTemps, RD.InscanCopyArrayElems, | |||
17469 | buildPreInits(Context, RD.ExprCaptures), | |||
17470 | buildPostUpdate(*this, RD.ExprPostUpdates)); | |||
17471 | } | |||
17472 | ||||
17473 | OMPClause *Sema::ActOnOpenMPTaskReductionClause( | |||
17474 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, SourceLocation LParenLoc, | |||
17475 | SourceLocation ColonLoc, SourceLocation EndLoc, | |||
17476 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, | |||
17477 | ArrayRef<Expr *> UnresolvedReductions) { | |||
17478 | ReductionData RD(VarList.size()); | |||
17479 | if (actOnOMPReductionKindClause(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_task_reduction, VarList, | |||
17480 | StartLoc, LParenLoc, ColonLoc, EndLoc, | |||
17481 | ReductionIdScopeSpec, ReductionId, | |||
17482 | UnresolvedReductions, RD)) | |||
17483 | return nullptr; | |||
17484 | ||||
17485 | return OMPTaskReductionClause::Create( | |||
17486 | Context, StartLoc, LParenLoc, ColonLoc, EndLoc, RD.Vars, | |||
17487 | ReductionIdScopeSpec.getWithLocInContext(Context), ReductionId, | |||
17488 | RD.Privates, RD.LHSs, RD.RHSs, RD.ReductionOps, | |||
17489 | buildPreInits(Context, RD.ExprCaptures), | |||
17490 | buildPostUpdate(*this, RD.ExprPostUpdates)); | |||
17491 | } | |||
17492 | ||||
17493 | OMPClause *Sema::ActOnOpenMPInReductionClause( | |||
17494 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, SourceLocation LParenLoc, | |||
17495 | SourceLocation ColonLoc, SourceLocation EndLoc, | |||
17496 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, | |||
17497 | ArrayRef<Expr *> UnresolvedReductions) { | |||
17498 | ReductionData RD(VarList.size()); | |||
17499 | if (actOnOMPReductionKindClause(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_in_reduction, VarList, | |||
17500 | StartLoc, LParenLoc, ColonLoc, EndLoc, | |||
17501 | ReductionIdScopeSpec, ReductionId, | |||
17502 | UnresolvedReductions, RD)) | |||
17503 | return nullptr; | |||
17504 | ||||
17505 | return OMPInReductionClause::Create( | |||
17506 | Context, StartLoc, LParenLoc, ColonLoc, EndLoc, RD.Vars, | |||
17507 | ReductionIdScopeSpec.getWithLocInContext(Context), ReductionId, | |||
17508 | RD.Privates, RD.LHSs, RD.RHSs, RD.ReductionOps, RD.TaskgroupDescriptors, | |||
17509 | buildPreInits(Context, RD.ExprCaptures), | |||
17510 | buildPostUpdate(*this, RD.ExprPostUpdates)); | |||
17511 | } | |||
17512 | ||||
17513 | bool Sema::CheckOpenMPLinearModifier(OpenMPLinearClauseKind LinKind, | |||
17514 | SourceLocation LinLoc) { | |||
17515 | if ((!LangOpts.CPlusPlus && LinKind != OMPC_LINEAR_val) || | |||
17516 | LinKind == OMPC_LINEAR_unknown) { | |||
17517 | Diag(LinLoc, diag::err_omp_wrong_linear_modifier) << LangOpts.CPlusPlus; | |||
17518 | return true; | |||
17519 | } | |||
17520 | return false; | |||
17521 | } | |||
17522 | ||||
17523 | bool Sema::CheckOpenMPLinearDecl(const ValueDecl *D, SourceLocation ELoc, | |||
17524 | OpenMPLinearClauseKind LinKind, QualType Type, | |||
17525 | bool IsDeclareSimd) { | |||
17526 | const auto *VD = dyn_cast_or_null<VarDecl>(D); | |||
17527 | // A variable must not have an incomplete type or a reference type. | |||
17528 | if (RequireCompleteType(ELoc, Type, diag::err_omp_linear_incomplete_type)) | |||
17529 | return true; | |||
17530 | if ((LinKind == OMPC_LINEAR_uval || LinKind == OMPC_LINEAR_ref) && | |||
17531 | !Type->isReferenceType()) { | |||
17532 | Diag(ELoc, diag::err_omp_wrong_linear_modifier_non_reference) | |||
17533 | << Type << getOpenMPSimpleClauseTypeName(OMPC_linear, LinKind); | |||
17534 | return true; | |||
17535 | } | |||
17536 | Type = Type.getNonReferenceType(); | |||
17537 | ||||
17538 | // OpenMP 5.0 [2.19.3, List Item Privatization, Restrictions] | |||
17539 | // A variable that is privatized must not have a const-qualified type | |||
17540 | // unless it is of class type with a mutable member. This restriction does | |||
17541 | // not apply to the firstprivate clause, nor to the linear clause on | |||
17542 | // declarative directives (like declare simd). | |||
17543 | if (!IsDeclareSimd && | |||
17544 | rejectConstNotMutableType(*this, D, Type, OMPC_linear, ELoc)) | |||
17545 | return true; | |||
17546 | ||||
17547 | // A list item must be of integral or pointer type. | |||
17548 | Type = Type.getUnqualifiedType().getCanonicalType(); | |||
17549 | const auto *Ty = Type.getTypePtrOrNull(); | |||
17550 | if (!Ty || (LinKind != OMPC_LINEAR_ref && !Ty->isDependentType() && | |||
17551 | !Ty->isIntegralType(Context) && !Ty->isPointerType())) { | |||
17552 | Diag(ELoc, diag::err_omp_linear_expected_int_or_ptr) << Type; | |||
17553 | if (D) { | |||
17554 | bool IsDecl = | |||
17555 | !VD || | |||
17556 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
17557 | Diag(D->getLocation(), | |||
17558 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
17559 | << D; | |||
17560 | } | |||
17561 | return true; | |||
17562 | } | |||
17563 | return false; | |||
17564 | } | |||
17565 | ||||
17566 | OMPClause *Sema::ActOnOpenMPLinearClause( | |||
17567 | ArrayRef<Expr *> VarList, Expr *Step, SourceLocation StartLoc, | |||
17568 | SourceLocation LParenLoc, OpenMPLinearClauseKind LinKind, | |||
17569 | SourceLocation LinLoc, SourceLocation ColonLoc, SourceLocation EndLoc) { | |||
17570 | SmallVector<Expr *, 8> Vars; | |||
17571 | SmallVector<Expr *, 8> Privates; | |||
17572 | SmallVector<Expr *, 8> Inits; | |||
17573 | SmallVector<Decl *, 4> ExprCaptures; | |||
17574 | SmallVector<Expr *, 4> ExprPostUpdates; | |||
17575 | if (CheckOpenMPLinearModifier(LinKind, LinLoc)) | |||
17576 | LinKind = OMPC_LINEAR_val; | |||
17577 | for (Expr *RefExpr : VarList) { | |||
17578 | assert(RefExpr && "NULL expr in OpenMP linear clause.")((void)0); | |||
17579 | SourceLocation ELoc; | |||
17580 | SourceRange ERange; | |||
17581 | Expr *SimpleRefExpr = RefExpr; | |||
17582 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | |||
17583 | if (Res.second) { | |||
17584 | // It will be analyzed later. | |||
17585 | Vars.push_back(RefExpr); | |||
17586 | Privates.push_back(nullptr); | |||
17587 | Inits.push_back(nullptr); | |||
17588 | } | |||
17589 | ValueDecl *D = Res.first; | |||
17590 | if (!D) | |||
17591 | continue; | |||
17592 | ||||
17593 | QualType Type = D->getType(); | |||
17594 | auto *VD = dyn_cast<VarDecl>(D); | |||
17595 | ||||
17596 | // OpenMP [2.14.3.7, linear clause] | |||
17597 | // A list-item cannot appear in more than one linear clause. | |||
17598 | // A list-item that appears in a linear clause cannot appear in any | |||
17599 | // other data-sharing attribute clause. | |||
17600 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | |||
17601 | if (DVar.RefExpr) { | |||
17602 | Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) | |||
17603 | << getOpenMPClauseName(OMPC_linear); | |||
17604 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
17605 | continue; | |||
17606 | } | |||
17607 | ||||
17608 | if (CheckOpenMPLinearDecl(D, ELoc, LinKind, Type)) | |||
17609 | continue; | |||
17610 | Type = Type.getNonReferenceType().getUnqualifiedType().getCanonicalType(); | |||
17611 | ||||
17612 | // Build private copy of original var. | |||
17613 | VarDecl *Private = | |||
17614 | buildVarDecl(*this, ELoc, Type, D->getName(), | |||
17615 | D->hasAttrs() ? &D->getAttrs() : nullptr, | |||
17616 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); | |||
17617 | DeclRefExpr *PrivateRef = buildDeclRefExpr(*this, Private, Type, ELoc); | |||
17618 | // Build var to save initial value. | |||
17619 | VarDecl *Init = buildVarDecl(*this, ELoc, Type, ".linear.start"); | |||
17620 | Expr *InitExpr; | |||
17621 | DeclRefExpr *Ref = nullptr; | |||
17622 | if (!VD && !CurContext->isDependentContext()) { | |||
17623 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); | |||
17624 | if (!isOpenMPCapturedDecl(D)) { | |||
17625 | ExprCaptures.push_back(Ref->getDecl()); | |||
17626 | if (Ref->getDecl()->hasAttr<OMPCaptureNoInitAttr>()) { | |||
17627 | ExprResult RefRes = DefaultLvalueConversion(Ref); | |||
17628 | if (!RefRes.isUsable()) | |||
17629 | continue; | |||
17630 | ExprResult PostUpdateRes = | |||
17631 | BuildBinOp(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope(), ELoc, BO_Assign, | |||
17632 | SimpleRefExpr, RefRes.get()); | |||
17633 | if (!PostUpdateRes.isUsable()) | |||
17634 | continue; | |||
17635 | ExprPostUpdates.push_back( | |||
17636 | IgnoredValueConversions(PostUpdateRes.get()).get()); | |||
17637 | } | |||
17638 | } | |||
17639 | } | |||
17640 | if (LinKind == OMPC_LINEAR_uval) | |||
17641 | InitExpr = VD ? VD->getInit() : SimpleRefExpr; | |||
17642 | else | |||
17643 | InitExpr = VD ? SimpleRefExpr : Ref; | |||
17644 | AddInitializerToDecl(Init, DefaultLvalueConversion(InitExpr).get(), | |||
17645 | /*DirectInit=*/false); | |||
17646 | DeclRefExpr *InitRef = buildDeclRefExpr(*this, Init, Type, ELoc); | |||
17647 | ||||
17648 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_linear, Ref); | |||
17649 | Vars.push_back((VD || CurContext->isDependentContext()) | |||
17650 | ? RefExpr->IgnoreParens() | |||
17651 | : Ref); | |||
17652 | Privates.push_back(PrivateRef); | |||
17653 | Inits.push_back(InitRef); | |||
17654 | } | |||
17655 | ||||
17656 | if (Vars.empty()) | |||
17657 | return nullptr; | |||
17658 | ||||
17659 | Expr *StepExpr = Step; | |||
17660 | Expr *CalcStepExpr = nullptr; | |||
17661 | if (Step && !Step->isValueDependent() && !Step->isTypeDependent() && | |||
17662 | !Step->isInstantiationDependent() && | |||
17663 | !Step->containsUnexpandedParameterPack()) { | |||
17664 | SourceLocation StepLoc = Step->getBeginLoc(); | |||
17665 | ExprResult Val = PerformOpenMPImplicitIntegerConversion(StepLoc, Step); | |||
17666 | if (Val.isInvalid()) | |||
17667 | return nullptr; | |||
17668 | StepExpr = Val.get(); | |||
17669 | ||||
17670 | // Build var to save the step value. | |||
17671 | VarDecl *SaveVar = | |||
17672 | buildVarDecl(*this, StepLoc, StepExpr->getType(), ".linear.step"); | |||
17673 | ExprResult SaveRef = | |||
17674 | buildDeclRefExpr(*this, SaveVar, StepExpr->getType(), StepLoc); | |||
17675 | ExprResult CalcStep = | |||
17676 | BuildBinOp(CurScope, StepLoc, BO_Assign, SaveRef.get(), StepExpr); | |||
17677 | CalcStep = ActOnFinishFullExpr(CalcStep.get(), /*DiscardedValue*/ false); | |||
17678 | ||||
17679 | // Warn about zero linear step (it would be probably better specified as | |||
17680 | // making corresponding variables 'const'). | |||
17681 | if (Optional<llvm::APSInt> Result = | |||
17682 | StepExpr->getIntegerConstantExpr(Context)) { | |||
17683 | if (!Result->isNegative() && !Result->isStrictlyPositive()) | |||
17684 | Diag(StepLoc, diag::warn_omp_linear_step_zero) | |||
17685 | << Vars[0] << (Vars.size() > 1); | |||
17686 | } else if (CalcStep.isUsable()) { | |||
17687 | // Calculate the step beforehand instead of doing this on each iteration. | |||
17688 | // (This is not used if the number of iterations may be kfold-ed). | |||
17689 | CalcStepExpr = CalcStep.get(); | |||
17690 | } | |||
17691 | } | |||
17692 | ||||
17693 | return OMPLinearClause::Create(Context, StartLoc, LParenLoc, LinKind, LinLoc, | |||
17694 | ColonLoc, EndLoc, Vars, Privates, Inits, | |||
17695 | StepExpr, CalcStepExpr, | |||
17696 | buildPreInits(Context, ExprCaptures), | |||
17697 | buildPostUpdate(*this, ExprPostUpdates)); | |||
17698 | } | |||
17699 | ||||
17700 | static bool FinishOpenMPLinearClause(OMPLinearClause &Clause, DeclRefExpr *IV, | |||
17701 | Expr *NumIterations, Sema &SemaRef, | |||
17702 | Scope *S, DSAStackTy *Stack) { | |||
17703 | // Walk the vars and build update/final expressions for the CodeGen. | |||
17704 | SmallVector<Expr *, 8> Updates; | |||
17705 | SmallVector<Expr *, 8> Finals; | |||
17706 | SmallVector<Expr *, 8> UsedExprs; | |||
17707 | Expr *Step = Clause.getStep(); | |||
17708 | Expr *CalcStep = Clause.getCalcStep(); | |||
17709 | // OpenMP [2.14.3.7, linear clause] | |||
17710 | // If linear-step is not specified it is assumed to be 1. | |||
17711 | if (!Step) | |||
17712 | Step = SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get(); | |||
17713 | else if (CalcStep) | |||
17714 | Step = cast<BinaryOperator>(CalcStep)->getLHS(); | |||
17715 | bool HasErrors = false; | |||
17716 | auto CurInit = Clause.inits().begin(); | |||
17717 | auto CurPrivate = Clause.privates().begin(); | |||
17718 | OpenMPLinearClauseKind LinKind = Clause.getModifier(); | |||
17719 | for (Expr *RefExpr : Clause.varlists()) { | |||
17720 | SourceLocation ELoc; | |||
17721 | SourceRange ERange; | |||
17722 | Expr *SimpleRefExpr = RefExpr; | |||
17723 | auto Res = getPrivateItem(SemaRef, SimpleRefExpr, ELoc, ERange); | |||
17724 | ValueDecl *D = Res.first; | |||
17725 | if (Res.second || !D) { | |||
17726 | Updates.push_back(nullptr); | |||
17727 | Finals.push_back(nullptr); | |||
17728 | HasErrors = true; | |||
17729 | continue; | |||
17730 | } | |||
17731 | auto &&Info = Stack->isLoopControlVariable(D); | |||
17732 | // OpenMP [2.15.11, distribute simd Construct] | |||
17733 | // A list item may not appear in a linear clause, unless it is the loop | |||
17734 | // iteration variable. | |||
17735 | if (isOpenMPDistributeDirective(Stack->getCurrentDirective()) && | |||
17736 | isOpenMPSimdDirective(Stack->getCurrentDirective()) && !Info.first) { | |||
17737 | SemaRef.Diag(ELoc, | |||
17738 | diag::err_omp_linear_distribute_var_non_loop_iteration); | |||
17739 | Updates.push_back(nullptr); | |||
17740 | Finals.push_back(nullptr); | |||
17741 | HasErrors = true; | |||
17742 | continue; | |||
17743 | } | |||
17744 | Expr *InitExpr = *CurInit; | |||
17745 | ||||
17746 | // Build privatized reference to the current linear var. | |||
17747 | auto *DE = cast<DeclRefExpr>(SimpleRefExpr); | |||
17748 | Expr *CapturedRef; | |||
17749 | if (LinKind == OMPC_LINEAR_uval) | |||
17750 | CapturedRef = cast<VarDecl>(DE->getDecl())->getInit(); | |||
17751 | else | |||
17752 | CapturedRef = | |||
17753 | buildDeclRefExpr(SemaRef, cast<VarDecl>(DE->getDecl()), | |||
17754 | DE->getType().getUnqualifiedType(), DE->getExprLoc(), | |||
17755 | /*RefersToCapture=*/true); | |||
17756 | ||||
17757 | // Build update: Var = InitExpr + IV * Step | |||
17758 | ExprResult Update; | |||
17759 | if (!Info.first) | |||
17760 | Update = buildCounterUpdate( | |||
17761 | SemaRef, S, RefExpr->getExprLoc(), *CurPrivate, InitExpr, IV, Step, | |||
17762 | /*Subtract=*/false, /*IsNonRectangularLB=*/false); | |||
17763 | else | |||
17764 | Update = *CurPrivate; | |||
17765 | Update = SemaRef.ActOnFinishFullExpr(Update.get(), DE->getBeginLoc(), | |||
17766 | /*DiscardedValue*/ false); | |||
17767 | ||||
17768 | // Build final: Var = InitExpr + NumIterations * Step | |||
17769 | ExprResult Final; | |||
17770 | if (!Info.first) | |||
17771 | Final = | |||
17772 | buildCounterUpdate(SemaRef, S, RefExpr->getExprLoc(), CapturedRef, | |||
17773 | InitExpr, NumIterations, Step, /*Subtract=*/false, | |||
17774 | /*IsNonRectangularLB=*/false); | |||
17775 | else | |||
17776 | Final = *CurPrivate; | |||
17777 | Final = SemaRef.ActOnFinishFullExpr(Final.get(), DE->getBeginLoc(), | |||
17778 | /*DiscardedValue*/ false); | |||
17779 | ||||
17780 | if (!Update.isUsable() || !Final.isUsable()) { | |||
17781 | Updates.push_back(nullptr); | |||
17782 | Finals.push_back(nullptr); | |||
17783 | UsedExprs.push_back(nullptr); | |||
17784 | HasErrors = true; | |||
17785 | } else { | |||
17786 | Updates.push_back(Update.get()); | |||
17787 | Finals.push_back(Final.get()); | |||
17788 | if (!Info.first) | |||
17789 | UsedExprs.push_back(SimpleRefExpr); | |||
17790 | } | |||
17791 | ++CurInit; | |||
17792 | ++CurPrivate; | |||
17793 | } | |||
17794 | if (Expr *S = Clause.getStep()) | |||
17795 | UsedExprs.push_back(S); | |||
17796 | // Fill the remaining part with the nullptr. | |||
17797 | UsedExprs.append(Clause.varlist_size() + 1 - UsedExprs.size(), nullptr); | |||
17798 | Clause.setUpdates(Updates); | |||
17799 | Clause.setFinals(Finals); | |||
17800 | Clause.setUsedExprs(UsedExprs); | |||
17801 | return HasErrors; | |||
17802 | } | |||
17803 | ||||
17804 | OMPClause *Sema::ActOnOpenMPAlignedClause( | |||
17805 | ArrayRef<Expr *> VarList, Expr *Alignment, SourceLocation StartLoc, | |||
17806 | SourceLocation LParenLoc, SourceLocation ColonLoc, SourceLocation EndLoc) { | |||
17807 | SmallVector<Expr *, 8> Vars; | |||
17808 | for (Expr *RefExpr : VarList) { | |||
17809 | assert(RefExpr && "NULL expr in OpenMP linear clause.")((void)0); | |||
17810 | SourceLocation ELoc; | |||
17811 | SourceRange ERange; | |||
17812 | Expr *SimpleRefExpr = RefExpr; | |||
17813 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | |||
17814 | if (Res.second) { | |||
17815 | // It will be analyzed later. | |||
17816 | Vars.push_back(RefExpr); | |||
17817 | } | |||
17818 | ValueDecl *D = Res.first; | |||
17819 | if (!D) | |||
17820 | continue; | |||
17821 | ||||
17822 | QualType QType = D->getType(); | |||
17823 | auto *VD = dyn_cast<VarDecl>(D); | |||
17824 | ||||
17825 | // OpenMP [2.8.1, simd construct, Restrictions] | |||
17826 | // The type of list items appearing in the aligned clause must be | |||
17827 | // array, pointer, reference to array, or reference to pointer. | |||
17828 | QType = QType.getNonReferenceType().getUnqualifiedType().getCanonicalType(); | |||
17829 | const Type *Ty = QType.getTypePtrOrNull(); | |||
17830 | if (!Ty || (!Ty->isArrayType() && !Ty->isPointerType())) { | |||
17831 | Diag(ELoc, diag::err_omp_aligned_expected_array_or_ptr) | |||
17832 | << QType << getLangOpts().CPlusPlus << ERange; | |||
17833 | bool IsDecl = | |||
17834 | !VD || | |||
17835 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
17836 | Diag(D->getLocation(), | |||
17837 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
17838 | << D; | |||
17839 | continue; | |||
17840 | } | |||
17841 | ||||
17842 | // OpenMP [2.8.1, simd construct, Restrictions] | |||
17843 | // A list-item cannot appear in more than one aligned clause. | |||
17844 | if (const Expr *PrevRef = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addUniqueAligned(D, SimpleRefExpr)) { | |||
17845 | Diag(ELoc, diag::err_omp_used_in_clause_twice) | |||
17846 | << 0 << getOpenMPClauseName(OMPC_aligned) << ERange; | |||
17847 | Diag(PrevRef->getExprLoc(), diag::note_omp_explicit_dsa) | |||
17848 | << getOpenMPClauseName(OMPC_aligned); | |||
17849 | continue; | |||
17850 | } | |||
17851 | ||||
17852 | DeclRefExpr *Ref = nullptr; | |||
17853 | if (!VD && isOpenMPCapturedDecl(D)) | |||
17854 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); | |||
17855 | Vars.push_back(DefaultFunctionArrayConversion( | |||
17856 | (VD || !Ref) ? RefExpr->IgnoreParens() : Ref) | |||
17857 | .get()); | |||
17858 | } | |||
17859 | ||||
17860 | // OpenMP [2.8.1, simd construct, Description] | |||
17861 | // The parameter of the aligned clause, alignment, must be a constant | |||
17862 | // positive integer expression. | |||
17863 | // If no optional parameter is specified, implementation-defined default | |||
17864 | // alignments for SIMD instructions on the target platforms are assumed. | |||
17865 | if (Alignment != nullptr) { | |||
17866 | ExprResult AlignResult = | |||
17867 | VerifyPositiveIntegerConstantInClause(Alignment, OMPC_aligned); | |||
17868 | if (AlignResult.isInvalid()) | |||
17869 | return nullptr; | |||
17870 | Alignment = AlignResult.get(); | |||
17871 | } | |||
17872 | if (Vars.empty()) | |||
17873 | return nullptr; | |||
17874 | ||||
17875 | return OMPAlignedClause::Create(Context, StartLoc, LParenLoc, ColonLoc, | |||
17876 | EndLoc, Vars, Alignment); | |||
17877 | } | |||
17878 | ||||
17879 | OMPClause *Sema::ActOnOpenMPCopyinClause(ArrayRef<Expr *> VarList, | |||
17880 | SourceLocation StartLoc, | |||
17881 | SourceLocation LParenLoc, | |||
17882 | SourceLocation EndLoc) { | |||
17883 | SmallVector<Expr *, 8> Vars; | |||
17884 | SmallVector<Expr *, 8> SrcExprs; | |||
17885 | SmallVector<Expr *, 8> DstExprs; | |||
17886 | SmallVector<Expr *, 8> AssignmentOps; | |||
17887 | for (Expr *RefExpr : VarList) { | |||
17888 | assert(RefExpr && "NULL expr in OpenMP copyin clause.")((void)0); | |||
17889 | if (isa<DependentScopeDeclRefExpr>(RefExpr)) { | |||
17890 | // It will be analyzed later. | |||
17891 | Vars.push_back(RefExpr); | |||
17892 | SrcExprs.push_back(nullptr); | |||
17893 | DstExprs.push_back(nullptr); | |||
17894 | AssignmentOps.push_back(nullptr); | |||
17895 | continue; | |||
17896 | } | |||
17897 | ||||
17898 | SourceLocation ELoc = RefExpr->getExprLoc(); | |||
17899 | // OpenMP [2.1, C/C++] | |||
17900 | // A list item is a variable name. | |||
17901 | // OpenMP [2.14.4.1, Restrictions, p.1] | |||
17902 | // A list item that appears in a copyin clause must be threadprivate. | |||
17903 | auto *DE = dyn_cast<DeclRefExpr>(RefExpr); | |||
17904 | if (!DE || !isa<VarDecl>(DE->getDecl())) { | |||
17905 | Diag(ELoc, diag::err_omp_expected_var_name_member_expr) | |||
17906 | << 0 << RefExpr->getSourceRange(); | |||
17907 | continue; | |||
17908 | } | |||
17909 | ||||
17910 | Decl *D = DE->getDecl(); | |||
17911 | auto *VD = cast<VarDecl>(D); | |||
17912 | ||||
17913 | QualType Type = VD->getType(); | |||
17914 | if (Type->isDependentType() || Type->isInstantiationDependentType()) { | |||
17915 | // It will be analyzed later. | |||
17916 | Vars.push_back(DE); | |||
17917 | SrcExprs.push_back(nullptr); | |||
17918 | DstExprs.push_back(nullptr); | |||
17919 | AssignmentOps.push_back(nullptr); | |||
17920 | continue; | |||
17921 | } | |||
17922 | ||||
17923 | // OpenMP [2.14.4.1, Restrictions, C/C++, p.1] | |||
17924 | // A list item that appears in a copyin clause must be threadprivate. | |||
17925 | if (!DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { | |||
17926 | Diag(ELoc, diag::err_omp_required_access) | |||
17927 | << getOpenMPClauseName(OMPC_copyin) | |||
17928 | << getOpenMPDirectiveName(OMPD_threadprivate); | |||
17929 | continue; | |||
17930 | } | |||
17931 | ||||
17932 | // OpenMP [2.14.4.1, Restrictions, C/C++, p.2] | |||
17933 | // A variable of class type (or array thereof) that appears in a | |||
17934 | // copyin clause requires an accessible, unambiguous copy assignment | |||
17935 | // operator for the class type. | |||
17936 | QualType ElemType = Context.getBaseElementType(Type).getNonReferenceType(); | |||
17937 | VarDecl *SrcVD = | |||
17938 | buildVarDecl(*this, DE->getBeginLoc(), ElemType.getUnqualifiedType(), | |||
17939 | ".copyin.src", VD->hasAttrs() ? &VD->getAttrs() : nullptr); | |||
17940 | DeclRefExpr *PseudoSrcExpr = buildDeclRefExpr( | |||
17941 | *this, SrcVD, ElemType.getUnqualifiedType(), DE->getExprLoc()); | |||
17942 | VarDecl *DstVD = | |||
17943 | buildVarDecl(*this, DE->getBeginLoc(), ElemType, ".copyin.dst", | |||
17944 | VD->hasAttrs() ? &VD->getAttrs() : nullptr); | |||
17945 | DeclRefExpr *PseudoDstExpr = | |||
17946 | buildDeclRefExpr(*this, DstVD, ElemType, DE->getExprLoc()); | |||
17947 | // For arrays generate assignment operation for single element and replace | |||
17948 | // it by the original array element in CodeGen. | |||
17949 | ExprResult AssignmentOp = | |||
17950 | BuildBinOp(/*S=*/nullptr, DE->getExprLoc(), BO_Assign, PseudoDstExpr, | |||
17951 | PseudoSrcExpr); | |||
17952 | if (AssignmentOp.isInvalid()) | |||
17953 | continue; | |||
17954 | AssignmentOp = ActOnFinishFullExpr(AssignmentOp.get(), DE->getExprLoc(), | |||
17955 | /*DiscardedValue*/ false); | |||
17956 | if (AssignmentOp.isInvalid()) | |||
17957 | continue; | |||
17958 | ||||
17959 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(VD, DE, OMPC_copyin); | |||
17960 | Vars.push_back(DE); | |||
17961 | SrcExprs.push_back(PseudoSrcExpr); | |||
17962 | DstExprs.push_back(PseudoDstExpr); | |||
17963 | AssignmentOps.push_back(AssignmentOp.get()); | |||
17964 | } | |||
17965 | ||||
17966 | if (Vars.empty()) | |||
17967 | return nullptr; | |||
17968 | ||||
17969 | return OMPCopyinClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars, | |||
17970 | SrcExprs, DstExprs, AssignmentOps); | |||
17971 | } | |||
17972 | ||||
17973 | OMPClause *Sema::ActOnOpenMPCopyprivateClause(ArrayRef<Expr *> VarList, | |||
17974 | SourceLocation StartLoc, | |||
17975 | SourceLocation LParenLoc, | |||
17976 | SourceLocation EndLoc) { | |||
17977 | SmallVector<Expr *, 8> Vars; | |||
17978 | SmallVector<Expr *, 8> SrcExprs; | |||
17979 | SmallVector<Expr *, 8> DstExprs; | |||
17980 | SmallVector<Expr *, 8> AssignmentOps; | |||
17981 | for (Expr *RefExpr : VarList) { | |||
17982 | assert(RefExpr && "NULL expr in OpenMP linear clause.")((void)0); | |||
17983 | SourceLocation ELoc; | |||
17984 | SourceRange ERange; | |||
17985 | Expr *SimpleRefExpr = RefExpr; | |||
17986 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | |||
17987 | if (Res.second) { | |||
17988 | // It will be analyzed later. | |||
17989 | Vars.push_back(RefExpr); | |||
17990 | SrcExprs.push_back(nullptr); | |||
17991 | DstExprs.push_back(nullptr); | |||
17992 | AssignmentOps.push_back(nullptr); | |||
17993 | } | |||
17994 | ValueDecl *D = Res.first; | |||
17995 | if (!D) | |||
17996 | continue; | |||
17997 | ||||
17998 | QualType Type = D->getType(); | |||
17999 | auto *VD = dyn_cast<VarDecl>(D); | |||
18000 | ||||
18001 | // OpenMP [2.14.4.2, Restrictions, p.2] | |||
18002 | // A list item that appears in a copyprivate clause may not appear in a | |||
18003 | // private or firstprivate clause on the single construct. | |||
18004 | if (!VD || !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { | |||
18005 | DSAStackTy::DSAVarData DVar = | |||
18006 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | |||
18007 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_copyprivate && | |||
18008 | DVar.RefExpr) { | |||
18009 | Diag(ELoc, diag::err_omp_wrong_dsa) | |||
18010 | << getOpenMPClauseName(DVar.CKind) | |||
18011 | << getOpenMPClauseName(OMPC_copyprivate); | |||
18012 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
18013 | continue; | |||
18014 | } | |||
18015 | ||||
18016 | // OpenMP [2.11.4.2, Restrictions, p.1] | |||
18017 | // All list items that appear in a copyprivate clause must be either | |||
18018 | // threadprivate or private in the enclosing context. | |||
18019 | if (DVar.CKind == OMPC_unknown) { | |||
18020 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, false); | |||
18021 | if (DVar.CKind == OMPC_shared) { | |||
18022 | Diag(ELoc, diag::err_omp_required_access) | |||
18023 | << getOpenMPClauseName(OMPC_copyprivate) | |||
18024 | << "threadprivate or private in the enclosing context"; | |||
18025 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
18026 | continue; | |||
18027 | } | |||
18028 | } | |||
18029 | } | |||
18030 | ||||
18031 | // Variably modified types are not supported. | |||
18032 | if (!Type->isAnyPointerType() && Type->isVariablyModifiedType()) { | |||
18033 | Diag(ELoc, diag::err_omp_variably_modified_type_not_supported) | |||
18034 | << getOpenMPClauseName(OMPC_copyprivate) << Type | |||
18035 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | |||
18036 | bool IsDecl = | |||
18037 | !VD || | |||
18038 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
18039 | Diag(D->getLocation(), | |||
18040 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
18041 | << D; | |||
18042 | continue; | |||
18043 | } | |||
18044 | ||||
18045 | // OpenMP [2.14.4.1, Restrictions, C/C++, p.2] | |||
18046 | // A variable of class type (or array thereof) that appears in a | |||
18047 | // copyin clause requires an accessible, unambiguous copy assignment | |||
18048 | // operator for the class type. | |||
18049 | Type = Context.getBaseElementType(Type.getNonReferenceType()) | |||
18050 | .getUnqualifiedType(); | |||
18051 | VarDecl *SrcVD = | |||
18052 | buildVarDecl(*this, RefExpr->getBeginLoc(), Type, ".copyprivate.src", | |||
18053 | D->hasAttrs() ? &D->getAttrs() : nullptr); | |||
18054 | DeclRefExpr *PseudoSrcExpr = buildDeclRefExpr(*this, SrcVD, Type, ELoc); | |||
18055 | VarDecl *DstVD = | |||
18056 | buildVarDecl(*this, RefExpr->getBeginLoc(), Type, ".copyprivate.dst", | |||
18057 | D->hasAttrs() ? &D->getAttrs() : nullptr); | |||
18058 | DeclRefExpr *PseudoDstExpr = buildDeclRefExpr(*this, DstVD, Type, ELoc); | |||
18059 | ExprResult AssignmentOp = BuildBinOp( | |||
18060 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope(), ELoc, BO_Assign, PseudoDstExpr, PseudoSrcExpr); | |||
18061 | if (AssignmentOp.isInvalid()) | |||
18062 | continue; | |||
18063 | AssignmentOp = | |||
18064 | ActOnFinishFullExpr(AssignmentOp.get(), ELoc, /*DiscardedValue*/ false); | |||
18065 | if (AssignmentOp.isInvalid()) | |||
18066 | continue; | |||
18067 | ||||
18068 | // No need to mark vars as copyprivate, they are already threadprivate or | |||
18069 | // implicitly private. | |||
18070 | assert(VD || isOpenMPCapturedDecl(D))((void)0); | |||
18071 | Vars.push_back( | |||
18072 | VD ? RefExpr->IgnoreParens() | |||
18073 | : buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false)); | |||
18074 | SrcExprs.push_back(PseudoSrcExpr); | |||
18075 | DstExprs.push_back(PseudoDstExpr); | |||
18076 | AssignmentOps.push_back(AssignmentOp.get()); | |||
18077 | } | |||
18078 | ||||
18079 | if (Vars.empty()) | |||
18080 | return nullptr; | |||
18081 | ||||
18082 | return OMPCopyprivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, | |||
18083 | Vars, SrcExprs, DstExprs, AssignmentOps); | |||
18084 | } | |||
18085 | ||||
18086 | OMPClause *Sema::ActOnOpenMPFlushClause(ArrayRef<Expr *> VarList, | |||
18087 | SourceLocation StartLoc, | |||
18088 | SourceLocation LParenLoc, | |||
18089 | SourceLocation EndLoc) { | |||
18090 | if (VarList.empty()) | |||
18091 | return nullptr; | |||
18092 | ||||
18093 | return OMPFlushClause::Create(Context, StartLoc, LParenLoc, EndLoc, VarList); | |||
18094 | } | |||
18095 | ||||
18096 | /// Tries to find omp_depend_t. type. | |||
18097 | static bool findOMPDependT(Sema &S, SourceLocation Loc, DSAStackTy *Stack, | |||
18098 | bool Diagnose = true) { | |||
18099 | QualType OMPDependT = Stack->getOMPDependT(); | |||
18100 | if (!OMPDependT.isNull()) | |||
18101 | return true; | |||
18102 | IdentifierInfo *II = &S.PP.getIdentifierTable().get("omp_depend_t"); | |||
18103 | ParsedType PT = S.getTypeName(*II, Loc, S.getCurScope()); | |||
18104 | if (!PT.getAsOpaquePtr() || PT.get().isNull()) { | |||
18105 | if (Diagnose) | |||
18106 | S.Diag(Loc, diag::err_omp_implied_type_not_found) << "omp_depend_t"; | |||
18107 | return false; | |||
18108 | } | |||
18109 | Stack->setOMPDependT(PT.get()); | |||
18110 | return true; | |||
18111 | } | |||
18112 | ||||
18113 | OMPClause *Sema::ActOnOpenMPDepobjClause(Expr *Depobj, SourceLocation StartLoc, | |||
18114 | SourceLocation LParenLoc, | |||
18115 | SourceLocation EndLoc) { | |||
18116 | if (!Depobj) | |||
18117 | return nullptr; | |||
18118 | ||||
18119 | bool OMPDependTFound = findOMPDependT(*this, StartLoc, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )); | |||
18120 | ||||
18121 | // OpenMP 5.0, 2.17.10.1 depobj Construct | |||
18122 | // depobj is an lvalue expression of type omp_depend_t. | |||
18123 | if (!Depobj->isTypeDependent() && !Depobj->isValueDependent() && | |||
18124 | !Depobj->isInstantiationDependent() && | |||
18125 | !Depobj->containsUnexpandedParameterPack() && | |||
18126 | (OMPDependTFound && | |||
18127 | !Context.typesAreCompatible(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPDependT(), Depobj->getType(), | |||
18128 | /*CompareUnqualified=*/true))) { | |||
18129 | Diag(Depobj->getExprLoc(), diag::err_omp_expected_omp_depend_t_lvalue) | |||
18130 | << 0 << Depobj->getType() << Depobj->getSourceRange(); | |||
18131 | } | |||
18132 | ||||
18133 | if (!Depobj->isLValue()) { | |||
18134 | Diag(Depobj->getExprLoc(), diag::err_omp_expected_omp_depend_t_lvalue) | |||
18135 | << 1 << Depobj->getSourceRange(); | |||
18136 | } | |||
18137 | ||||
18138 | return OMPDepobjClause::Create(Context, StartLoc, LParenLoc, EndLoc, Depobj); | |||
18139 | } | |||
18140 | ||||
18141 | OMPClause * | |||
18142 | Sema::ActOnOpenMPDependClause(Expr *DepModifier, OpenMPDependClauseKind DepKind, | |||
18143 | SourceLocation DepLoc, SourceLocation ColonLoc, | |||
18144 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, | |||
18145 | SourceLocation LParenLoc, SourceLocation EndLoc) { | |||
18146 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_ordered && | |||
18147 | DepKind != OMPC_DEPEND_source && DepKind != OMPC_DEPEND_sink) { | |||
18148 | Diag(DepLoc, diag::err_omp_unexpected_clause_value) | |||
18149 | << "'source' or 'sink'" << getOpenMPClauseName(OMPC_depend); | |||
18150 | return nullptr; | |||
18151 | } | |||
18152 | if ((DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_ordered || | |||
18153 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_depobj) && | |||
18154 | (DepKind == OMPC_DEPEND_unknown || DepKind == OMPC_DEPEND_source || | |||
18155 | DepKind == OMPC_DEPEND_sink || | |||
18156 | ((LangOpts.OpenMP < 50 || | |||
18157 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_depobj) && | |||
18158 | DepKind == OMPC_DEPEND_depobj))) { | |||
18159 | SmallVector<unsigned, 3> Except; | |||
18160 | Except.push_back(OMPC_DEPEND_source); | |||
18161 | Except.push_back(OMPC_DEPEND_sink); | |||
18162 | if (LangOpts.OpenMP < 50 || DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_depobj) | |||
18163 | Except.push_back(OMPC_DEPEND_depobj); | |||
18164 | std::string Expected = (LangOpts.OpenMP >= 50 && !DepModifier) | |||
18165 | ? "depend modifier(iterator) or " | |||
18166 | : ""; | |||
18167 | Diag(DepLoc, diag::err_omp_unexpected_clause_value) | |||
18168 | << Expected + getListOfPossibleValues(OMPC_depend, /*First=*/0, | |||
18169 | /*Last=*/OMPC_DEPEND_unknown, | |||
18170 | Except) | |||
18171 | << getOpenMPClauseName(OMPC_depend); | |||
18172 | return nullptr; | |||
18173 | } | |||
18174 | if (DepModifier && | |||
18175 | (DepKind == OMPC_DEPEND_source || DepKind == OMPC_DEPEND_sink)) { | |||
18176 | Diag(DepModifier->getExprLoc(), | |||
18177 | diag::err_omp_depend_sink_source_with_modifier); | |||
18178 | return nullptr; | |||
18179 | } | |||
18180 | if (DepModifier && | |||
18181 | !DepModifier->getType()->isSpecificBuiltinType(BuiltinType::OMPIterator)) | |||
18182 | Diag(DepModifier->getExprLoc(), diag::err_omp_depend_modifier_not_iterator); | |||
18183 | ||||
18184 | SmallVector<Expr *, 8> Vars; | |||
18185 | DSAStackTy::OperatorOffsetTy OpsOffs; | |||
18186 | llvm::APSInt DepCounter(/*BitWidth=*/32); | |||
18187 | llvm::APSInt TotalDepCount(/*BitWidth=*/32); | |||
18188 | if (DepKind == OMPC_DEPEND_sink || DepKind == OMPC_DEPEND_source) { | |||
18189 | if (const Expr *OrderedCountExpr = | |||
18190 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first) { | |||
18191 | TotalDepCount = OrderedCountExpr->EvaluateKnownConstInt(Context); | |||
18192 | TotalDepCount.setIsUnsigned(/*Val=*/true); | |||
18193 | } | |||
18194 | } | |||
18195 | for (Expr *RefExpr : VarList) { | |||
18196 | assert(RefExpr && "NULL expr in OpenMP shared clause.")((void)0); | |||
18197 | if (isa<DependentScopeDeclRefExpr>(RefExpr)) { | |||
18198 | // It will be analyzed later. | |||
18199 | Vars.push_back(RefExpr); | |||
18200 | continue; | |||
18201 | } | |||
18202 | ||||
18203 | SourceLocation ELoc = RefExpr->getExprLoc(); | |||
18204 | Expr *SimpleExpr = RefExpr->IgnoreParenCasts(); | |||
18205 | if (DepKind == OMPC_DEPEND_sink) { | |||
18206 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first && | |||
18207 | DepCounter >= TotalDepCount) { | |||
18208 | Diag(ELoc, diag::err_omp_depend_sink_unexpected_expr); | |||
18209 | continue; | |||
18210 | } | |||
18211 | ++DepCounter; | |||
18212 | // OpenMP [2.13.9, Summary] | |||
18213 | // depend(dependence-type : vec), where dependence-type is: | |||
18214 | // 'sink' and where vec is the iteration vector, which has the form: | |||
18215 | // x1 [+- d1], x2 [+- d2 ], . . . , xn [+- dn] | |||
18216 | // where n is the value specified by the ordered clause in the loop | |||
18217 | // directive, xi denotes the loop iteration variable of the i-th nested | |||
18218 | // loop associated with the loop directive, and di is a constant | |||
18219 | // non-negative integer. | |||
18220 | if (CurContext->isDependentContext()) { | |||
18221 | // It will be analyzed later. | |||
18222 | Vars.push_back(RefExpr); | |||
18223 | continue; | |||
18224 | } | |||
18225 | SimpleExpr = SimpleExpr->IgnoreImplicit(); | |||
18226 | OverloadedOperatorKind OOK = OO_None; | |||
18227 | SourceLocation OOLoc; | |||
18228 | Expr *LHS = SimpleExpr; | |||
18229 | Expr *RHS = nullptr; | |||
18230 | if (auto *BO = dyn_cast<BinaryOperator>(SimpleExpr)) { | |||
18231 | OOK = BinaryOperator::getOverloadedOperator(BO->getOpcode()); | |||
18232 | OOLoc = BO->getOperatorLoc(); | |||
18233 | LHS = BO->getLHS()->IgnoreParenImpCasts(); | |||
18234 | RHS = BO->getRHS()->IgnoreParenImpCasts(); | |||
18235 | } else if (auto *OCE = dyn_cast<CXXOperatorCallExpr>(SimpleExpr)) { | |||
18236 | OOK = OCE->getOperator(); | |||
18237 | OOLoc = OCE->getOperatorLoc(); | |||
18238 | LHS = OCE->getArg(/*Arg=*/0)->IgnoreParenImpCasts(); | |||
18239 | RHS = OCE->getArg(/*Arg=*/1)->IgnoreParenImpCasts(); | |||
18240 | } else if (auto *MCE = dyn_cast<CXXMemberCallExpr>(SimpleExpr)) { | |||
18241 | OOK = MCE->getMethodDecl() | |||
18242 | ->getNameInfo() | |||
18243 | .getName() | |||
18244 | .getCXXOverloadedOperator(); | |||
18245 | OOLoc = MCE->getCallee()->getExprLoc(); | |||
18246 | LHS = MCE->getImplicitObjectArgument()->IgnoreParenImpCasts(); | |||
18247 | RHS = MCE->getArg(/*Arg=*/0)->IgnoreParenImpCasts(); | |||
18248 | } | |||
18249 | SourceLocation ELoc; | |||
18250 | SourceRange ERange; | |||
18251 | auto Res = getPrivateItem(*this, LHS, ELoc, ERange); | |||
18252 | if (Res.second) { | |||
18253 | // It will be analyzed later. | |||
18254 | Vars.push_back(RefExpr); | |||
18255 | } | |||
18256 | ValueDecl *D = Res.first; | |||
18257 | if (!D) | |||
18258 | continue; | |||
18259 | ||||
18260 | if (OOK != OO_Plus && OOK != OO_Minus && (RHS || OOK != OO_None)) { | |||
18261 | Diag(OOLoc, diag::err_omp_depend_sink_expected_plus_minus); | |||
18262 | continue; | |||
18263 | } | |||
18264 | if (RHS) { | |||
18265 | ExprResult RHSRes = VerifyPositiveIntegerConstantInClause( | |||
18266 | RHS, OMPC_depend, /*StrictlyPositive=*/false); | |||
18267 | if (RHSRes.isInvalid()) | |||
18268 | continue; | |||
18269 | } | |||
18270 | if (!CurContext->isDependentContext() && | |||
18271 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first && | |||
18272 | DepCounter != DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentLoopControlVariable(D).first) { | |||
18273 | const ValueDecl *VD = | |||
18274 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentLoopControlVariable(DepCounter.getZExtValue()); | |||
18275 | if (VD) | |||
18276 | Diag(ELoc, diag::err_omp_depend_sink_expected_loop_iteration) | |||
18277 | << 1 << VD; | |||
18278 | else | |||
18279 | Diag(ELoc, diag::err_omp_depend_sink_expected_loop_iteration) << 0; | |||
18280 | continue; | |||
18281 | } | |||
18282 | OpsOffs.emplace_back(RHS, OOK); | |||
18283 | } else { | |||
18284 | bool OMPDependTFound = LangOpts.OpenMP >= 50; | |||
18285 | if (OMPDependTFound) | |||
18286 | OMPDependTFound = findOMPDependT(*this, StartLoc, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
18287 | DepKind == OMPC_DEPEND_depobj); | |||
18288 | if (DepKind == OMPC_DEPEND_depobj) { | |||
18289 | // OpenMP 5.0, 2.17.11 depend Clause, Restrictions, C/C++ | |||
18290 | // List items used in depend clauses with the depobj dependence type | |||
18291 | // must be expressions of the omp_depend_t type. | |||
18292 | if (!RefExpr->isValueDependent() && !RefExpr->isTypeDependent() && | |||
18293 | !RefExpr->isInstantiationDependent() && | |||
18294 | !RefExpr->containsUnexpandedParameterPack() && | |||
18295 | (OMPDependTFound && | |||
18296 | !Context.hasSameUnqualifiedType(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPDependT(), | |||
18297 | RefExpr->getType()))) { | |||
18298 | Diag(ELoc, diag::err_omp_expected_omp_depend_t_lvalue) | |||
18299 | << 0 << RefExpr->getType() << RefExpr->getSourceRange(); | |||
18300 | continue; | |||
18301 | } | |||
18302 | if (!RefExpr->isLValue()) { | |||
18303 | Diag(ELoc, diag::err_omp_expected_omp_depend_t_lvalue) | |||
18304 | << 1 << RefExpr->getType() << RefExpr->getSourceRange(); | |||
18305 | continue; | |||
18306 | } | |||
18307 | } else { | |||
18308 | // OpenMP 5.0 [2.17.11, Restrictions] | |||
18309 | // List items used in depend clauses cannot be zero-length array | |||
18310 | // sections. | |||
18311 | QualType ExprTy = RefExpr->getType().getNonReferenceType(); | |||
18312 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(SimpleExpr); | |||
18313 | if (OASE) { | |||
18314 | QualType BaseType = | |||
18315 | OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); | |||
18316 | if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) | |||
18317 | ExprTy = ATy->getElementType(); | |||
18318 | else | |||
18319 | ExprTy = BaseType->getPointeeType(); | |||
18320 | ExprTy = ExprTy.getNonReferenceType(); | |||
18321 | const Expr *Length = OASE->getLength(); | |||
18322 | Expr::EvalResult Result; | |||
18323 | if (Length && !Length->isValueDependent() && | |||
18324 | Length->EvaluateAsInt(Result, Context) && | |||
18325 | Result.Val.getInt().isNullValue()) { | |||
18326 | Diag(ELoc, | |||
18327 | diag::err_omp_depend_zero_length_array_section_not_allowed) | |||
18328 | << SimpleExpr->getSourceRange(); | |||
18329 | continue; | |||
18330 | } | |||
18331 | } | |||
18332 | ||||
18333 | // OpenMP 5.0, 2.17.11 depend Clause, Restrictions, C/C++ | |||
18334 | // List items used in depend clauses with the in, out, inout or | |||
18335 | // mutexinoutset dependence types cannot be expressions of the | |||
18336 | // omp_depend_t type. | |||
18337 | if (!RefExpr->isValueDependent() && !RefExpr->isTypeDependent() && | |||
18338 | !RefExpr->isInstantiationDependent() && | |||
18339 | !RefExpr->containsUnexpandedParameterPack() && | |||
18340 | (OMPDependTFound && | |||
18341 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPDependT().getTypePtr() == ExprTy.getTypePtr())) { | |||
18342 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) | |||
18343 | << (LangOpts.OpenMP >= 50 ? 1 : 0) << 1 | |||
18344 | << RefExpr->getSourceRange(); | |||
18345 | continue; | |||
18346 | } | |||
18347 | ||||
18348 | auto *ASE = dyn_cast<ArraySubscriptExpr>(SimpleExpr); | |||
18349 | if (!RefExpr->IgnoreParenImpCasts()->isLValue() || | |||
18350 | (ASE && !ASE->getBase()->isTypeDependent() && | |||
18351 | !ASE->getBase() | |||
18352 | ->getType() | |||
18353 | .getNonReferenceType() | |||
18354 | ->isPointerType() && | |||
18355 | !ASE->getBase()->getType().getNonReferenceType()->isArrayType())) { | |||
18356 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) | |||
18357 | << (LangOpts.OpenMP >= 50 ? 1 : 0) | |||
18358 | << (LangOpts.OpenMP >= 50 ? 1 : 0) << RefExpr->getSourceRange(); | |||
18359 | continue; | |||
18360 | } | |||
18361 | ||||
18362 | ExprResult Res; | |||
18363 | { | |||
18364 | Sema::TentativeAnalysisScope Trap(*this); | |||
18365 | Res = CreateBuiltinUnaryOp(ELoc, UO_AddrOf, | |||
18366 | RefExpr->IgnoreParenImpCasts()); | |||
18367 | } | |||
18368 | if (!Res.isUsable() && !isa<OMPArraySectionExpr>(SimpleExpr) && | |||
18369 | !isa<OMPArrayShapingExpr>(SimpleExpr)) { | |||
18370 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) | |||
18371 | << (LangOpts.OpenMP >= 50 ? 1 : 0) | |||
18372 | << (LangOpts.OpenMP >= 50 ? 1 : 0) << RefExpr->getSourceRange(); | |||
18373 | continue; | |||
18374 | } | |||
18375 | } | |||
18376 | } | |||
18377 | Vars.push_back(RefExpr->IgnoreParenImpCasts()); | |||
18378 | } | |||
18379 | ||||
18380 | if (!CurContext->isDependentContext() && DepKind == OMPC_DEPEND_sink && | |||
18381 | TotalDepCount > VarList.size() && | |||
18382 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first && | |||
18383 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentLoopControlVariable(VarList.size() + 1)) { | |||
18384 | Diag(EndLoc, diag::err_omp_depend_sink_expected_loop_iteration) | |||
18385 | << 1 << DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentLoopControlVariable(VarList.size() + 1); | |||
18386 | } | |||
18387 | if (DepKind != OMPC_DEPEND_source && DepKind != OMPC_DEPEND_sink && | |||
18388 | Vars.empty()) | |||
18389 | return nullptr; | |||
18390 | ||||
18391 | auto *C = OMPDependClause::Create(Context, StartLoc, LParenLoc, EndLoc, | |||
18392 | DepModifier, DepKind, DepLoc, ColonLoc, | |||
18393 | Vars, TotalDepCount.getZExtValue()); | |||
18394 | if ((DepKind == OMPC_DEPEND_sink || DepKind == OMPC_DEPEND_source) && | |||
18395 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentOrderedRegion()) | |||
18396 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDoacrossDependClause(C, OpsOffs); | |||
18397 | return C; | |||
18398 | } | |||
18399 | ||||
18400 | OMPClause *Sema::ActOnOpenMPDeviceClause(OpenMPDeviceClauseModifier Modifier, | |||
18401 | Expr *Device, SourceLocation StartLoc, | |||
18402 | SourceLocation LParenLoc, | |||
18403 | SourceLocation ModifierLoc, | |||
18404 | SourceLocation EndLoc) { | |||
18405 | assert((ModifierLoc.isInvalid() || LangOpts.OpenMP >= 50) &&((void)0) | |||
18406 | "Unexpected device modifier in OpenMP < 50.")((void)0); | |||
18407 | ||||
18408 | bool ErrorFound = false; | |||
18409 | if (ModifierLoc.isValid() && Modifier == OMPC_DEVICE_unknown) { | |||
18410 | std::string Values = | |||
18411 | getListOfPossibleValues(OMPC_device, /*First=*/0, OMPC_DEVICE_unknown); | |||
18412 | Diag(ModifierLoc, diag::err_omp_unexpected_clause_value) | |||
18413 | << Values << getOpenMPClauseName(OMPC_device); | |||
18414 | ErrorFound = true; | |||
18415 | } | |||
18416 | ||||
18417 | Expr *ValExpr = Device; | |||
18418 | Stmt *HelperValStmt = nullptr; | |||
18419 | ||||
18420 | // OpenMP [2.9.1, Restrictions] | |||
18421 | // The device expression must evaluate to a non-negative integer value. | |||
18422 | ErrorFound = !isNonNegativeIntegerValue(ValExpr, *this, OMPC_device, | |||
18423 | /*StrictlyPositive=*/false) || | |||
18424 | ErrorFound; | |||
18425 | if (ErrorFound) | |||
18426 | return nullptr; | |||
18427 | ||||
18428 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | |||
18429 | OpenMPDirectiveKind CaptureRegion = | |||
18430 | getOpenMPCaptureRegionForClause(DKind, OMPC_device, LangOpts.OpenMP); | |||
18431 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | |||
18432 | ValExpr = MakeFullExpr(ValExpr).get(); | |||
18433 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | |||
18434 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | |||
18435 | HelperValStmt = buildPreInits(Context, Captures); | |||
18436 | } | |||
18437 | ||||
18438 | return new (Context) | |||
18439 | OMPDeviceClause(Modifier, ValExpr, HelperValStmt, CaptureRegion, StartLoc, | |||
18440 | LParenLoc, ModifierLoc, EndLoc); | |||
18441 | } | |||
18442 | ||||
18443 | static bool checkTypeMappable(SourceLocation SL, SourceRange SR, Sema &SemaRef, | |||
18444 | DSAStackTy *Stack, QualType QTy, | |||
18445 | bool FullCheck = true) { | |||
18446 | NamedDecl *ND; | |||
18447 | if (QTy->isIncompleteType(&ND)) { | |||
18448 | SemaRef.Diag(SL, diag::err_incomplete_type) << QTy << SR; | |||
18449 | return false; | |||
18450 | } | |||
18451 | if (FullCheck && !SemaRef.CurContext->isDependentContext() && | |||
18452 | !QTy.isTriviallyCopyableType(SemaRef.Context)) | |||
18453 | SemaRef.Diag(SL, diag::warn_omp_non_trivial_type_mapped) << QTy << SR; | |||
18454 | return true; | |||
18455 | } | |||
18456 | ||||
18457 | /// Return true if it can be proven that the provided array expression | |||
18458 | /// (array section or array subscript) does NOT specify the whole size of the | |||
18459 | /// array whose base type is \a BaseQTy. | |||
18460 | static bool checkArrayExpressionDoesNotReferToWholeSize(Sema &SemaRef, | |||
18461 | const Expr *E, | |||
18462 | QualType BaseQTy) { | |||
18463 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(E); | |||
18464 | ||||
18465 | // If this is an array subscript, it refers to the whole size if the size of | |||
18466 | // the dimension is constant and equals 1. Also, an array section assumes the | |||
18467 | // format of an array subscript if no colon is used. | |||
18468 | if (isa<ArraySubscriptExpr>(E) || | |||
18469 | (OASE && OASE->getColonLocFirst().isInvalid())) { | |||
18470 | if (const auto *ATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr())) | |||
18471 | return ATy->getSize().getSExtValue() != 1; | |||
18472 | // Size can't be evaluated statically. | |||
18473 | return false; | |||
18474 | } | |||
18475 | ||||
18476 | assert(OASE && "Expecting array section if not an array subscript.")((void)0); | |||
18477 | const Expr *LowerBound = OASE->getLowerBound(); | |||
18478 | const Expr *Length = OASE->getLength(); | |||
18479 | ||||
18480 | // If there is a lower bound that does not evaluates to zero, we are not | |||
18481 | // covering the whole dimension. | |||
18482 | if (LowerBound) { | |||
18483 | Expr::EvalResult Result; | |||
18484 | if (!LowerBound->EvaluateAsInt(Result, SemaRef.getASTContext())) | |||
18485 | return false; // Can't get the integer value as a constant. | |||
18486 | ||||
18487 | llvm::APSInt ConstLowerBound = Result.Val.getInt(); | |||
18488 | if (ConstLowerBound.getSExtValue()) | |||
18489 | return true; | |||
18490 | } | |||
18491 | ||||
18492 | // If we don't have a length we covering the whole dimension. | |||
18493 | if (!Length) | |||
18494 | return false; | |||
18495 | ||||
18496 | // If the base is a pointer, we don't have a way to get the size of the | |||
18497 | // pointee. | |||
18498 | if (BaseQTy->isPointerType()) | |||
18499 | return false; | |||
18500 | ||||
18501 | // We can only check if the length is the same as the size of the dimension | |||
18502 | // if we have a constant array. | |||
18503 | const auto *CATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr()); | |||
18504 | if (!CATy) | |||
18505 | return false; | |||
18506 | ||||
18507 | Expr::EvalResult Result; | |||
18508 | if (!Length->EvaluateAsInt(Result, SemaRef.getASTContext())) | |||
18509 | return false; // Can't get the integer value as a constant. | |||
18510 | ||||
18511 | llvm::APSInt ConstLength = Result.Val.getInt(); | |||
18512 | return CATy->getSize().getSExtValue() != ConstLength.getSExtValue(); | |||
18513 | } | |||
18514 | ||||
18515 | // Return true if it can be proven that the provided array expression (array | |||
18516 | // section or array subscript) does NOT specify a single element of the array | |||
18517 | // whose base type is \a BaseQTy. | |||
18518 | static bool checkArrayExpressionDoesNotReferToUnitySize(Sema &SemaRef, | |||
18519 | const Expr *E, | |||
18520 | QualType BaseQTy) { | |||
18521 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(E); | |||
18522 | ||||
18523 | // An array subscript always refer to a single element. Also, an array section | |||
18524 | // assumes the format of an array subscript if no colon is used. | |||
18525 | if (isa<ArraySubscriptExpr>(E) || | |||
18526 | (OASE && OASE->getColonLocFirst().isInvalid())) | |||
18527 | return false; | |||
18528 | ||||
18529 | assert(OASE && "Expecting array section if not an array subscript.")((void)0); | |||
18530 | const Expr *Length = OASE->getLength(); | |||
18531 | ||||
18532 | // If we don't have a length we have to check if the array has unitary size | |||
18533 | // for this dimension. Also, we should always expect a length if the base type | |||
18534 | // is pointer. | |||
18535 | if (!Length) { | |||
18536 | if (const auto *ATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr())) | |||
18537 | return ATy->getSize().getSExtValue() != 1; | |||
18538 | // We cannot assume anything. | |||
18539 | return false; | |||
18540 | } | |||
18541 | ||||
18542 | // Check if the length evaluates to 1. | |||
18543 | Expr::EvalResult Result; | |||
18544 | if (!Length->EvaluateAsInt(Result, SemaRef.getASTContext())) | |||
18545 | return false; // Can't get the integer value as a constant. | |||
18546 | ||||
18547 | llvm::APSInt ConstLength = Result.Val.getInt(); | |||
18548 | return ConstLength.getSExtValue() != 1; | |||
18549 | } | |||
18550 | ||||
18551 | // The base of elements of list in a map clause have to be either: | |||
18552 | // - a reference to variable or field. | |||
18553 | // - a member expression. | |||
18554 | // - an array expression. | |||
18555 | // | |||
18556 | // E.g. if we have the expression 'r.S.Arr[:12]', we want to retrieve the | |||
18557 | // reference to 'r'. | |||
18558 | // | |||
18559 | // If we have: | |||
18560 | // | |||
18561 | // struct SS { | |||
18562 | // Bla S; | |||
18563 | // foo() { | |||
18564 | // #pragma omp target map (S.Arr[:12]); | |||
18565 | // } | |||
18566 | // } | |||
18567 | // | |||
18568 | // We want to retrieve the member expression 'this->S'; | |||
18569 | ||||
18570 | // OpenMP 5.0 [2.19.7.1, map Clause, Restrictions, p.2] | |||
18571 | // If a list item is an array section, it must specify contiguous storage. | |||
18572 | // | |||
18573 | // For this restriction it is sufficient that we make sure only references | |||
18574 | // to variables or fields and array expressions, and that no array sections | |||
18575 | // exist except in the rightmost expression (unless they cover the whole | |||
18576 | // dimension of the array). E.g. these would be invalid: | |||
18577 | // | |||
18578 | // r.ArrS[3:5].Arr[6:7] | |||
18579 | // | |||
18580 | // r.ArrS[3:5].x | |||
18581 | // | |||
18582 | // but these would be valid: | |||
18583 | // r.ArrS[3].Arr[6:7] | |||
18584 | // | |||
18585 | // r.ArrS[3].x | |||
18586 | namespace { | |||
18587 | class MapBaseChecker final : public StmtVisitor<MapBaseChecker, bool> { | |||
18588 | Sema &SemaRef; | |||
18589 | OpenMPClauseKind CKind = OMPC_unknown; | |||
18590 | OpenMPDirectiveKind DKind = OMPD_unknown; | |||
18591 | OMPClauseMappableExprCommon::MappableExprComponentList &Components; | |||
18592 | bool IsNonContiguous = false; | |||
18593 | bool NoDiagnose = false; | |||
18594 | const Expr *RelevantExpr = nullptr; | |||
18595 | bool AllowUnitySizeArraySection = true; | |||
18596 | bool AllowWholeSizeArraySection = true; | |||
18597 | bool AllowAnotherPtr = true; | |||
18598 | SourceLocation ELoc; | |||
18599 | SourceRange ERange; | |||
18600 | ||||
18601 | void emitErrorMsg() { | |||
18602 | // If nothing else worked, this is not a valid map clause expression. | |||
18603 | if (SemaRef.getLangOpts().OpenMP < 50) { | |||
18604 | SemaRef.Diag(ELoc, | |||
18605 | diag::err_omp_expected_named_var_member_or_array_expression) | |||
18606 | << ERange; | |||
18607 | } else { | |||
18608 | SemaRef.Diag(ELoc, diag::err_omp_non_lvalue_in_map_or_motion_clauses) | |||
18609 | << getOpenMPClauseName(CKind) << ERange; | |||
18610 | } | |||
18611 | } | |||
18612 | ||||
18613 | public: | |||
18614 | bool VisitDeclRefExpr(DeclRefExpr *DRE) { | |||
18615 | if (!isa<VarDecl>(DRE->getDecl())) { | |||
18616 | emitErrorMsg(); | |||
18617 | return false; | |||
18618 | } | |||
18619 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")((void)0); | |||
18620 | RelevantExpr = DRE; | |||
18621 | // Record the component. | |||
18622 | Components.emplace_back(DRE, DRE->getDecl(), IsNonContiguous); | |||
18623 | return true; | |||
18624 | } | |||
18625 | ||||
18626 | bool VisitMemberExpr(MemberExpr *ME) { | |||
18627 | Expr *E = ME; | |||
18628 | Expr *BaseE = ME->getBase()->IgnoreParenCasts(); | |||
18629 | ||||
18630 | if (isa<CXXThisExpr>(BaseE)) { | |||
18631 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")((void)0); | |||
18632 | // We found a base expression: this->Val. | |||
18633 | RelevantExpr = ME; | |||
18634 | } else { | |||
18635 | E = BaseE; | |||
18636 | } | |||
18637 | ||||
18638 | if (!isa<FieldDecl>(ME->getMemberDecl())) { | |||
18639 | if (!NoDiagnose) { | |||
18640 | SemaRef.Diag(ELoc, diag::err_omp_expected_access_to_data_field) | |||
18641 | << ME->getSourceRange(); | |||
18642 | return false; | |||
18643 | } | |||
18644 | if (RelevantExpr) | |||
18645 | return false; | |||
18646 | return Visit(E); | |||
18647 | } | |||
18648 | ||||
18649 | auto *FD = cast<FieldDecl>(ME->getMemberDecl()); | |||
18650 | ||||
18651 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.3] | |||
18652 | // A bit-field cannot appear in a map clause. | |||
18653 | // | |||
18654 | if (FD->isBitField()) { | |||
18655 | if (!NoDiagnose) { | |||
18656 | SemaRef.Diag(ELoc, diag::err_omp_bit_fields_forbidden_in_clause) | |||
18657 | << ME->getSourceRange() << getOpenMPClauseName(CKind); | |||
18658 | return false; | |||
18659 | } | |||
18660 | if (RelevantExpr) | |||
18661 | return false; | |||
18662 | return Visit(E); | |||
18663 | } | |||
18664 | ||||
18665 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] | |||
18666 | // If the type of a list item is a reference to a type T then the type | |||
18667 | // will be considered to be T for all purposes of this clause. | |||
18668 | QualType CurType = BaseE->getType().getNonReferenceType(); | |||
18669 | ||||
18670 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.2] | |||
18671 | // A list item cannot be a variable that is a member of a structure with | |||
18672 | // a union type. | |||
18673 | // | |||
18674 | if (CurType->isUnionType()) { | |||
18675 | if (!NoDiagnose) { | |||
18676 | SemaRef.Diag(ELoc, diag::err_omp_union_type_not_allowed) | |||
18677 | << ME->getSourceRange(); | |||
18678 | return false; | |||
18679 | } | |||
18680 | return RelevantExpr || Visit(E); | |||
18681 | } | |||
18682 | ||||
18683 | // If we got a member expression, we should not expect any array section | |||
18684 | // before that: | |||
18685 | // | |||
18686 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.7] | |||
18687 | // If a list item is an element of a structure, only the rightmost symbol | |||
18688 | // of the variable reference can be an array section. | |||
18689 | // | |||
18690 | AllowUnitySizeArraySection = false; | |||
18691 | AllowWholeSizeArraySection = false; | |||
18692 | ||||
18693 | // Record the component. | |||
18694 | Components.emplace_back(ME, FD, IsNonContiguous); | |||
18695 | return RelevantExpr || Visit(E); | |||
18696 | } | |||
18697 | ||||
18698 | bool VisitArraySubscriptExpr(ArraySubscriptExpr *AE) { | |||
18699 | Expr *E = AE->getBase()->IgnoreParenImpCasts(); | |||
18700 | ||||
18701 | if (!E->getType()->isAnyPointerType() && !E->getType()->isArrayType()) { | |||
18702 | if (!NoDiagnose) { | |||
18703 | SemaRef.Diag(ELoc, diag::err_omp_expected_base_var_name) | |||
18704 | << 0 << AE->getSourceRange(); | |||
18705 | return false; | |||
18706 | } | |||
18707 | return RelevantExpr || Visit(E); | |||
18708 | } | |||
18709 | ||||
18710 | // If we got an array subscript that express the whole dimension we | |||
18711 | // can have any array expressions before. If it only expressing part of | |||
18712 | // the dimension, we can only have unitary-size array expressions. | |||
18713 | if (checkArrayExpressionDoesNotReferToWholeSize(SemaRef, AE, | |||
18714 | E->getType())) | |||
18715 | AllowWholeSizeArraySection = false; | |||
18716 | ||||
18717 | if (const auto *TE = dyn_cast<CXXThisExpr>(E->IgnoreParenCasts())) { | |||
18718 | Expr::EvalResult Result; | |||
18719 | if (!AE->getIdx()->isValueDependent() && | |||
18720 | AE->getIdx()->EvaluateAsInt(Result, SemaRef.getASTContext()) && | |||
18721 | !Result.Val.getInt().isNullValue()) { | |||
18722 | SemaRef.Diag(AE->getIdx()->getExprLoc(), | |||
18723 | diag::err_omp_invalid_map_this_expr); | |||
18724 | SemaRef.Diag(AE->getIdx()->getExprLoc(), | |||
18725 | diag::note_omp_invalid_subscript_on_this_ptr_map); | |||
18726 | } | |||
18727 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")((void)0); | |||
18728 | RelevantExpr = TE; | |||
18729 | } | |||
18730 | ||||
18731 | // Record the component - we don't have any declaration associated. | |||
18732 | Components.emplace_back(AE, nullptr, IsNonContiguous); | |||
18733 | ||||
18734 | return RelevantExpr || Visit(E); | |||
18735 | } | |||
18736 | ||||
18737 | bool VisitOMPArraySectionExpr(OMPArraySectionExpr *OASE) { | |||
18738 | assert(!NoDiagnose && "Array sections cannot be implicitly mapped.")((void)0); | |||
18739 | Expr *E = OASE->getBase()->IgnoreParenImpCasts(); | |||
18740 | QualType CurType = | |||
18741 | OMPArraySectionExpr::getBaseOriginalType(E).getCanonicalType(); | |||
18742 | ||||
18743 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] | |||
18744 | // If the type of a list item is a reference to a type T then the type | |||
18745 | // will be considered to be T for all purposes of this clause. | |||
18746 | if (CurType->isReferenceType()) | |||
18747 | CurType = CurType->getPointeeType(); | |||
18748 | ||||
18749 | bool IsPointer = CurType->isAnyPointerType(); | |||
18750 | ||||
18751 | if (!IsPointer && !CurType->isArrayType()) { | |||
18752 | SemaRef.Diag(ELoc, diag::err_omp_expected_base_var_name) | |||
18753 | << 0 << OASE->getSourceRange(); | |||
18754 | return false; | |||
18755 | } | |||
18756 | ||||
18757 | bool NotWhole = | |||
18758 | checkArrayExpressionDoesNotReferToWholeSize(SemaRef, OASE, CurType); | |||
18759 | bool NotUnity = | |||
18760 | checkArrayExpressionDoesNotReferToUnitySize(SemaRef, OASE, CurType); | |||
18761 | ||||
18762 | if (AllowWholeSizeArraySection) { | |||
18763 | // Any array section is currently allowed. Allowing a whole size array | |||
18764 | // section implies allowing a unity array section as well. | |||
18765 | // | |||
18766 | // If this array section refers to the whole dimension we can still | |||
18767 | // accept other array sections before this one, except if the base is a | |||
18768 | // pointer. Otherwise, only unitary sections are accepted. | |||
18769 | if (NotWhole || IsPointer) | |||
18770 | AllowWholeSizeArraySection = false; | |||
18771 | } else if (DKind == OMPD_target_update && | |||
18772 | SemaRef.getLangOpts().OpenMP >= 50) { | |||
18773 | if (IsPointer && !AllowAnotherPtr) | |||
18774 | SemaRef.Diag(ELoc, diag::err_omp_section_length_undefined) | |||
18775 | << /*array of unknown bound */ 1; | |||
18776 | else | |||
18777 | IsNonContiguous = true; | |||
18778 | } else if (AllowUnitySizeArraySection && NotUnity) { | |||
18779 | // A unity or whole array section is not allowed and that is not | |||
18780 | // compatible with the properties of the current array section. | |||
18781 | SemaRef.Diag( | |||
18782 | ELoc, diag::err_array_section_does_not_specify_contiguous_storage) | |||
18783 | << OASE->getSourceRange(); | |||
18784 | return false; | |||
18785 | } | |||
18786 | ||||
18787 | if (IsPointer) | |||
18788 | AllowAnotherPtr = false; | |||
18789 | ||||
18790 | if (const auto *TE = dyn_cast<CXXThisExpr>(E)) { | |||
18791 | Expr::EvalResult ResultR; | |||
18792 | Expr::EvalResult ResultL; | |||
18793 | if (!OASE->getLength()->isValueDependent() && | |||
18794 | OASE->getLength()->EvaluateAsInt(ResultR, SemaRef.getASTContext()) && | |||
18795 | !ResultR.Val.getInt().isOneValue()) { | |||
18796 | SemaRef.Diag(OASE->getLength()->getExprLoc(), | |||
18797 | diag::err_omp_invalid_map_this_expr); | |||
18798 | SemaRef.Diag(OASE->getLength()->getExprLoc(), | |||
18799 | diag::note_omp_invalid_length_on_this_ptr_mapping); | |||
18800 | } | |||
18801 | if (OASE->getLowerBound() && !OASE->getLowerBound()->isValueDependent() && | |||
18802 | OASE->getLowerBound()->EvaluateAsInt(ResultL, | |||
18803 | SemaRef.getASTContext()) && | |||
18804 | !ResultL.Val.getInt().isNullValue()) { | |||
18805 | SemaRef.Diag(OASE->getLowerBound()->getExprLoc(), | |||
18806 | diag::err_omp_invalid_map_this_expr); | |||
18807 | SemaRef.Diag(OASE->getLowerBound()->getExprLoc(), | |||
18808 | diag::note_omp_invalid_lower_bound_on_this_ptr_mapping); | |||
18809 | } | |||
18810 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")((void)0); | |||
18811 | RelevantExpr = TE; | |||
18812 | } | |||
18813 | ||||
18814 | // Record the component - we don't have any declaration associated. | |||
18815 | Components.emplace_back(OASE, nullptr, /*IsNonContiguous=*/false); | |||
18816 | return RelevantExpr || Visit(E); | |||
18817 | } | |||
18818 | bool VisitOMPArrayShapingExpr(OMPArrayShapingExpr *E) { | |||
18819 | Expr *Base = E->getBase(); | |||
18820 | ||||
18821 | // Record the component - we don't have any declaration associated. | |||
18822 | Components.emplace_back(E, nullptr, IsNonContiguous); | |||
18823 | ||||
18824 | return Visit(Base->IgnoreParenImpCasts()); | |||
18825 | } | |||
18826 | ||||
18827 | bool VisitUnaryOperator(UnaryOperator *UO) { | |||
18828 | if (SemaRef.getLangOpts().OpenMP < 50 || !UO->isLValue() || | |||
18829 | UO->getOpcode() != UO_Deref) { | |||
18830 | emitErrorMsg(); | |||
18831 | return false; | |||
18832 | } | |||
18833 | if (!RelevantExpr) { | |||
18834 | // Record the component if haven't found base decl. | |||
18835 | Components.emplace_back(UO, nullptr, /*IsNonContiguous=*/false); | |||
18836 | } | |||
18837 | return RelevantExpr || Visit(UO->getSubExpr()->IgnoreParenImpCasts()); | |||
18838 | } | |||
18839 | bool VisitBinaryOperator(BinaryOperator *BO) { | |||
18840 | if (SemaRef.getLangOpts().OpenMP < 50 || !BO->getType()->isPointerType()) { | |||
18841 | emitErrorMsg(); | |||
18842 | return false; | |||
18843 | } | |||
18844 | ||||
18845 | // Pointer arithmetic is the only thing we expect to happen here so after we | |||
18846 | // make sure the binary operator is a pointer type, the we only thing need | |||
18847 | // to to is to visit the subtree that has the same type as root (so that we | |||
18848 | // know the other subtree is just an offset) | |||
18849 | Expr *LE = BO->getLHS()->IgnoreParenImpCasts(); | |||
18850 | Expr *RE = BO->getRHS()->IgnoreParenImpCasts(); | |||
18851 | Components.emplace_back(BO, nullptr, false); | |||
18852 | assert((LE->getType().getTypePtr() == BO->getType().getTypePtr() ||((void)0) | |||
18853 | RE->getType().getTypePtr() == BO->getType().getTypePtr()) &&((void)0) | |||
18854 | "Either LHS or RHS have base decl inside")((void)0); | |||
18855 | if (BO->getType().getTypePtr() == LE->getType().getTypePtr()) | |||
18856 | return RelevantExpr || Visit(LE); | |||
18857 | return RelevantExpr || Visit(RE); | |||
18858 | } | |||
18859 | bool VisitCXXThisExpr(CXXThisExpr *CTE) { | |||
18860 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")((void)0); | |||
18861 | RelevantExpr = CTE; | |||
18862 | Components.emplace_back(CTE, nullptr, IsNonContiguous); | |||
18863 | return true; | |||
18864 | } | |||
18865 | bool VisitCXXOperatorCallExpr(CXXOperatorCallExpr *COCE) { | |||
18866 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")((void)0); | |||
18867 | Components.emplace_back(COCE, nullptr, IsNonContiguous); | |||
18868 | return true; | |||
18869 | } | |||
18870 | bool VisitOpaqueValueExpr(OpaqueValueExpr *E) { | |||
18871 | Expr *Source = E->getSourceExpr(); | |||
18872 | if (!Source) { | |||
18873 | emitErrorMsg(); | |||
18874 | return false; | |||
18875 | } | |||
18876 | return Visit(Source); | |||
18877 | } | |||
18878 | bool VisitStmt(Stmt *) { | |||
18879 | emitErrorMsg(); | |||
18880 | return false; | |||
18881 | } | |||
18882 | const Expr *getFoundBase() const { | |||
18883 | return RelevantExpr; | |||
18884 | } | |||
18885 | explicit MapBaseChecker( | |||
18886 | Sema &SemaRef, OpenMPClauseKind CKind, OpenMPDirectiveKind DKind, | |||
18887 | OMPClauseMappableExprCommon::MappableExprComponentList &Components, | |||
18888 | bool NoDiagnose, SourceLocation &ELoc, SourceRange &ERange) | |||
18889 | : SemaRef(SemaRef), CKind(CKind), DKind(DKind), Components(Components), | |||
18890 | NoDiagnose(NoDiagnose), ELoc(ELoc), ERange(ERange) {} | |||
18891 | }; | |||
18892 | } // namespace | |||
18893 | ||||
18894 | /// Return the expression of the base of the mappable expression or null if it | |||
18895 | /// cannot be determined and do all the necessary checks to see if the expression | |||
18896 | /// is valid as a standalone mappable expression. In the process, record all the | |||
18897 | /// components of the expression. | |||
18898 | static const Expr *checkMapClauseExpressionBase( | |||
18899 | Sema &SemaRef, Expr *E, | |||
18900 | OMPClauseMappableExprCommon::MappableExprComponentList &CurComponents, | |||
18901 | OpenMPClauseKind CKind, OpenMPDirectiveKind DKind, bool NoDiagnose) { | |||
18902 | SourceLocation ELoc = E->getExprLoc(); | |||
18903 | SourceRange ERange = E->getSourceRange(); | |||
18904 | MapBaseChecker Checker(SemaRef, CKind, DKind, CurComponents, NoDiagnose, ELoc, | |||
18905 | ERange); | |||
18906 | if (Checker.Visit(E->IgnoreParens())) { | |||
18907 | // Check if the highest dimension array section has length specified | |||
18908 | if (SemaRef.getLangOpts().OpenMP >= 50 && !CurComponents.empty() && | |||
18909 | (CKind == OMPC_to || CKind == OMPC_from)) { | |||
18910 | auto CI = CurComponents.rbegin(); | |||
18911 | auto CE = CurComponents.rend(); | |||
18912 | for (; CI != CE; ++CI) { | |||
18913 | const auto *OASE = | |||
18914 | dyn_cast<OMPArraySectionExpr>(CI->getAssociatedExpression()); | |||
18915 | if (!OASE) | |||
18916 | continue; | |||
18917 | if (OASE && OASE->getLength()) | |||
18918 | break; | |||
18919 | SemaRef.Diag(ELoc, diag::err_array_section_does_not_specify_length) | |||
18920 | << ERange; | |||
18921 | } | |||
18922 | } | |||
18923 | return Checker.getFoundBase(); | |||
18924 | } | |||
18925 | return nullptr; | |||
18926 | } | |||
18927 | ||||
18928 | // Return true if expression E associated with value VD has conflicts with other | |||
18929 | // map information. | |||
18930 | static bool checkMapConflicts( | |||
18931 | Sema &SemaRef, DSAStackTy *DSAS, const ValueDecl *VD, const Expr *E, | |||
18932 | bool CurrentRegionOnly, | |||
18933 | OMPClauseMappableExprCommon::MappableExprComponentListRef CurComponents, | |||
18934 | OpenMPClauseKind CKind) { | |||
18935 | assert(VD && E)((void)0); | |||
18936 | SourceLocation ELoc = E->getExprLoc(); | |||
18937 | SourceRange ERange = E->getSourceRange(); | |||
18938 | ||||
18939 | // In order to easily check the conflicts we need to match each component of | |||
18940 | // the expression under test with the components of the expressions that are | |||
18941 | // already in the stack. | |||
18942 | ||||
18943 | assert(!CurComponents.empty() && "Map clause expression with no components!")((void)0); | |||
18944 | assert(CurComponents.back().getAssociatedDeclaration() == VD &&((void)0) | |||
18945 | "Map clause expression with unexpected base!")((void)0); | |||
18946 | ||||
18947 | // Variables to help detecting enclosing problems in data environment nests. | |||
18948 | bool IsEnclosedByDataEnvironmentExpr = false; | |||
18949 | const Expr *EnclosingExpr = nullptr; | |||
18950 | ||||
18951 | bool FoundError = DSAS->checkMappableExprComponentListsForDecl( | |||
18952 | VD, CurrentRegionOnly, | |||
18953 | [&IsEnclosedByDataEnvironmentExpr, &SemaRef, VD, CurrentRegionOnly, ELoc, | |||
18954 | ERange, CKind, &EnclosingExpr, | |||
18955 | CurComponents](OMPClauseMappableExprCommon::MappableExprComponentListRef | |||
18956 | StackComponents, | |||
18957 | OpenMPClauseKind Kind) { | |||
18958 | if (CKind == Kind && SemaRef.LangOpts.OpenMP >= 50) | |||
18959 | return false; | |||
18960 | assert(!StackComponents.empty() &&((void)0) | |||
18961 | "Map clause expression with no components!")((void)0); | |||
18962 | assert(StackComponents.back().getAssociatedDeclaration() == VD &&((void)0) | |||
18963 | "Map clause expression with unexpected base!")((void)0); | |||
18964 | (void)VD; | |||
18965 | ||||
18966 | // The whole expression in the stack. | |||
18967 | const Expr *RE = StackComponents.front().getAssociatedExpression(); | |||
18968 | ||||
18969 | // Expressions must start from the same base. Here we detect at which | |||
18970 | // point both expressions diverge from each other and see if we can | |||
18971 | // detect if the memory referred to both expressions is contiguous and | |||
18972 | // do not overlap. | |||
18973 | auto CI = CurComponents.rbegin(); | |||
18974 | auto CE = CurComponents.rend(); | |||
18975 | auto SI = StackComponents.rbegin(); | |||
18976 | auto SE = StackComponents.rend(); | |||
18977 | for (; CI != CE && SI != SE; ++CI, ++SI) { | |||
18978 | ||||
18979 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.3] | |||
18980 | // At most one list item can be an array item derived from a given | |||
18981 | // variable in map clauses of the same construct. | |||
18982 | if (CurrentRegionOnly && | |||
18983 | (isa<ArraySubscriptExpr>(CI->getAssociatedExpression()) || | |||
18984 | isa<OMPArraySectionExpr>(CI->getAssociatedExpression()) || | |||
18985 | isa<OMPArrayShapingExpr>(CI->getAssociatedExpression())) && | |||
18986 | (isa<ArraySubscriptExpr>(SI->getAssociatedExpression()) || | |||
18987 | isa<OMPArraySectionExpr>(SI->getAssociatedExpression()) || | |||
18988 | isa<OMPArrayShapingExpr>(SI->getAssociatedExpression()))) { | |||
18989 | SemaRef.Diag(CI->getAssociatedExpression()->getExprLoc(), | |||
18990 | diag::err_omp_multiple_array_items_in_map_clause) | |||
18991 | << CI->getAssociatedExpression()->getSourceRange(); | |||
18992 | SemaRef.Diag(SI->getAssociatedExpression()->getExprLoc(), | |||
18993 | diag::note_used_here) | |||
18994 | << SI->getAssociatedExpression()->getSourceRange(); | |||
18995 | return true; | |||
18996 | } | |||
18997 | ||||
18998 | // Do both expressions have the same kind? | |||
18999 | if (CI->getAssociatedExpression()->getStmtClass() != | |||
19000 | SI->getAssociatedExpression()->getStmtClass()) | |||
19001 | break; | |||
19002 | ||||
19003 | // Are we dealing with different variables/fields? | |||
19004 | if (CI->getAssociatedDeclaration() != SI->getAssociatedDeclaration()) | |||
19005 | break; | |||
19006 | } | |||
19007 | // Check if the extra components of the expressions in the enclosing | |||
19008 | // data environment are redundant for the current base declaration. | |||
19009 | // If they are, the maps completely overlap, which is legal. | |||
19010 | for (; SI != SE; ++SI) { | |||
19011 | QualType Type; | |||
19012 | if (const auto *ASE = | |||
19013 | dyn_cast<ArraySubscriptExpr>(SI->getAssociatedExpression())) { | |||
19014 | Type = ASE->getBase()->IgnoreParenImpCasts()->getType(); | |||
19015 | } else if (const auto *OASE = dyn_cast<OMPArraySectionExpr>( | |||
19016 | SI->getAssociatedExpression())) { | |||
19017 | const Expr *E = OASE->getBase()->IgnoreParenImpCasts(); | |||
19018 | Type = | |||
19019 | OMPArraySectionExpr::getBaseOriginalType(E).getCanonicalType(); | |||
19020 | } else if (const auto *OASE = dyn_cast<OMPArrayShapingExpr>( | |||
19021 | SI->getAssociatedExpression())) { | |||
19022 | Type = OASE->getBase()->getType()->getPointeeType(); | |||
19023 | } | |||
19024 | if (Type.isNull() || Type->isAnyPointerType() || | |||
19025 | checkArrayExpressionDoesNotReferToWholeSize( | |||
19026 | SemaRef, SI->getAssociatedExpression(), Type)) | |||
19027 | break; | |||
19028 | } | |||
19029 | ||||
19030 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.4] | |||
19031 | // List items of map clauses in the same construct must not share | |||
19032 | // original storage. | |||
19033 | // | |||
19034 | // If the expressions are exactly the same or one is a subset of the | |||
19035 | // other, it means they are sharing storage. | |||
19036 | if (CI == CE && SI == SE) { | |||
19037 | if (CurrentRegionOnly) { | |||
19038 | if (CKind == OMPC_map) { | |||
19039 | SemaRef.Diag(ELoc, diag::err_omp_map_shared_storage) << ERange; | |||
19040 | } else { | |||
19041 | assert(CKind == OMPC_to || CKind == OMPC_from)((void)0); | |||
19042 | SemaRef.Diag(ELoc, diag::err_omp_once_referenced_in_target_update) | |||
19043 | << ERange; | |||
19044 | } | |||
19045 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) | |||
19046 | << RE->getSourceRange(); | |||
19047 | return true; | |||
19048 | } | |||
19049 | // If we find the same expression in the enclosing data environment, | |||
19050 | // that is legal. | |||
19051 | IsEnclosedByDataEnvironmentExpr = true; | |||
19052 | return false; | |||
19053 | } | |||
19054 | ||||
19055 | QualType DerivedType = | |||
19056 | std::prev(CI)->getAssociatedDeclaration()->getType(); | |||
19057 | SourceLocation DerivedLoc = | |||
19058 | std::prev(CI)->getAssociatedExpression()->getExprLoc(); | |||
19059 | ||||
19060 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] | |||
19061 | // If the type of a list item is a reference to a type T then the type | |||
19062 | // will be considered to be T for all purposes of this clause. | |||
19063 | DerivedType = DerivedType.getNonReferenceType(); | |||
19064 | ||||
19065 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.1] | |||
19066 | // A variable for which the type is pointer and an array section | |||
19067 | // derived from that variable must not appear as list items of map | |||
19068 | // clauses of the same construct. | |||
19069 | // | |||
19070 | // Also, cover one of the cases in: | |||
19071 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.5] | |||
19072 | // If any part of the original storage of a list item has corresponding | |||
19073 | // storage in the device data environment, all of the original storage | |||
19074 | // must have corresponding storage in the device data environment. | |||
19075 | // | |||
19076 | if (DerivedType->isAnyPointerType()) { | |||
19077 | if (CI == CE || SI == SE) { | |||
19078 | SemaRef.Diag( | |||
19079 | DerivedLoc, | |||
19080 | diag::err_omp_pointer_mapped_along_with_derived_section) | |||
19081 | << DerivedLoc; | |||
19082 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) | |||
19083 | << RE->getSourceRange(); | |||
19084 | return true; | |||
19085 | } | |||
19086 | if (CI->getAssociatedExpression()->getStmtClass() != | |||
19087 | SI->getAssociatedExpression()->getStmtClass() || | |||
19088 | CI->getAssociatedDeclaration()->getCanonicalDecl() == | |||
19089 | SI->getAssociatedDeclaration()->getCanonicalDecl()) { | |||
19090 | assert(CI != CE && SI != SE)((void)0); | |||
19091 | SemaRef.Diag(DerivedLoc, diag::err_omp_same_pointer_dereferenced) | |||
19092 | << DerivedLoc; | |||
19093 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) | |||
19094 | << RE->getSourceRange(); | |||
19095 | return true; | |||
19096 | } | |||
19097 | } | |||
19098 | ||||
19099 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.4] | |||
19100 | // List items of map clauses in the same construct must not share | |||
19101 | // original storage. | |||
19102 | // | |||
19103 | // An expression is a subset of the other. | |||
19104 | if (CurrentRegionOnly && (CI == CE || SI == SE)) { | |||
19105 | if (CKind == OMPC_map) { | |||
19106 | if (CI != CE || SI != SE) { | |||
19107 | // Allow constructs like this: map(s, s.ptr[0:1]), where s.ptr is | |||
19108 | // a pointer. | |||
19109 | auto Begin = | |||
19110 | CI != CE ? CurComponents.begin() : StackComponents.begin(); | |||
19111 | auto End = CI != CE ? CurComponents.end() : StackComponents.end(); | |||
19112 | auto It = Begin; | |||
19113 | while (It != End && !It->getAssociatedDeclaration()) | |||
19114 | std::advance(It, 1); | |||
19115 | assert(It != End &&((void)0) | |||
19116 | "Expected at least one component with the declaration.")((void)0); | |||
19117 | if (It != Begin && It->getAssociatedDeclaration() | |||
19118 | ->getType() | |||
19119 | .getCanonicalType() | |||
19120 | ->isAnyPointerType()) { | |||
19121 | IsEnclosedByDataEnvironmentExpr = false; | |||
19122 | EnclosingExpr = nullptr; | |||
19123 | return false; | |||
19124 | } | |||
19125 | } | |||
19126 | SemaRef.Diag(ELoc, diag::err_omp_map_shared_storage) << ERange; | |||
19127 | } else { | |||
19128 | assert(CKind == OMPC_to || CKind == OMPC_from)((void)0); | |||
19129 | SemaRef.Diag(ELoc, diag::err_omp_once_referenced_in_target_update) | |||
19130 | << ERange; | |||
19131 | } | |||
19132 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) | |||
19133 | << RE->getSourceRange(); | |||
19134 | return true; | |||
19135 | } | |||
19136 | ||||
19137 | // The current expression uses the same base as other expression in the | |||
19138 | // data environment but does not contain it completely. | |||
19139 | if (!CurrentRegionOnly && SI != SE) | |||
19140 | EnclosingExpr = RE; | |||
19141 | ||||
19142 | // The current expression is a subset of the expression in the data | |||
19143 | // environment. | |||
19144 | IsEnclosedByDataEnvironmentExpr |= | |||
19145 | (!CurrentRegionOnly && CI != CE && SI == SE); | |||
19146 | ||||
19147 | return false; | |||
19148 | }); | |||
19149 | ||||
19150 | if (CurrentRegionOnly) | |||
19151 | return FoundError; | |||
19152 | ||||
19153 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.5] | |||
19154 | // If any part of the original storage of a list item has corresponding | |||
19155 | // storage in the device data environment, all of the original storage must | |||
19156 | // have corresponding storage in the device data environment. | |||
19157 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.6] | |||
19158 | // If a list item is an element of a structure, and a different element of | |||
19159 | // the structure has a corresponding list item in the device data environment | |||
19160 | // prior to a task encountering the construct associated with the map clause, | |||
19161 | // then the list item must also have a corresponding list item in the device | |||
19162 | // data environment prior to the task encountering the construct. | |||
19163 | // | |||
19164 | if (EnclosingExpr && !IsEnclosedByDataEnvironmentExpr) { | |||
19165 | SemaRef.Diag(ELoc, | |||
19166 | diag::err_omp_original_storage_is_shared_and_does_not_contain) | |||
19167 | << ERange; | |||
19168 | SemaRef.Diag(EnclosingExpr->getExprLoc(), diag::note_used_here) | |||
19169 | << EnclosingExpr->getSourceRange(); | |||
19170 | return true; | |||
19171 | } | |||
19172 | ||||
19173 | return FoundError; | |||
19174 | } | |||
19175 | ||||
19176 | // Look up the user-defined mapper given the mapper name and mapped type, and | |||
19177 | // build a reference to it. | |||
19178 | static ExprResult buildUserDefinedMapperRef(Sema &SemaRef, Scope *S, | |||
19179 | CXXScopeSpec &MapperIdScopeSpec, | |||
19180 | const DeclarationNameInfo &MapperId, | |||
19181 | QualType Type, | |||
19182 | Expr *UnresolvedMapper) { | |||
19183 | if (MapperIdScopeSpec.isInvalid()) | |||
19184 | return ExprError(); | |||
19185 | // Get the actual type for the array type. | |||
19186 | if (Type->isArrayType()) { | |||
19187 | assert(Type->getAsArrayTypeUnsafe() && "Expect to get a valid array type")((void)0); | |||
19188 | Type = Type->getAsArrayTypeUnsafe()->getElementType().getCanonicalType(); | |||
19189 | } | |||
19190 | // Find all user-defined mappers with the given MapperId. | |||
19191 | SmallVector<UnresolvedSet<8>, 4> Lookups; | |||
19192 | LookupResult Lookup(SemaRef, MapperId, Sema::LookupOMPMapperName); | |||
19193 | Lookup.suppressDiagnostics(); | |||
19194 | if (S) { | |||
19195 | while (S && SemaRef.LookupParsedName(Lookup, S, &MapperIdScopeSpec)) { | |||
19196 | NamedDecl *D = Lookup.getRepresentativeDecl(); | |||
19197 | while (S && !S->isDeclScope(D)) | |||
19198 | S = S->getParent(); | |||
19199 | if (S) | |||
19200 | S = S->getParent(); | |||
19201 | Lookups.emplace_back(); | |||
19202 | Lookups.back().append(Lookup.begin(), Lookup.end()); | |||
19203 | Lookup.clear(); | |||
19204 | } | |||
19205 | } else if (auto *ULE = cast_or_null<UnresolvedLookupExpr>(UnresolvedMapper)) { | |||
19206 | // Extract the user-defined mappers with the given MapperId. | |||
19207 | Lookups.push_back(UnresolvedSet<8>()); | |||
19208 | for (NamedDecl *D : ULE->decls()) { | |||
19209 | auto *DMD = cast<OMPDeclareMapperDecl>(D); | |||
19210 | assert(DMD && "Expect valid OMPDeclareMapperDecl during instantiation.")((void)0); | |||
19211 | Lookups.back().addDecl(DMD); | |||
19212 | } | |||
19213 | } | |||
19214 | // Defer the lookup for dependent types. The results will be passed through | |||
19215 | // UnresolvedMapper on instantiation. | |||
19216 | if (SemaRef.CurContext->isDependentContext() || Type->isDependentType() || | |||
19217 | Type->isInstantiationDependentType() || | |||
19218 | Type->containsUnexpandedParameterPack() || | |||
19219 | filterLookupForUDReductionAndMapper<bool>(Lookups, [](ValueDecl *D) { | |||
19220 | return !D->isInvalidDecl() && | |||
19221 | (D->getType()->isDependentType() || | |||
19222 | D->getType()->isInstantiationDependentType() || | |||
19223 | D->getType()->containsUnexpandedParameterPack()); | |||
19224 | })) { | |||
19225 | UnresolvedSet<8> URS; | |||
19226 | for (const UnresolvedSet<8> &Set : Lookups) { | |||
19227 | if (Set.empty()) | |||
19228 | continue; | |||
19229 | URS.append(Set.begin(), Set.end()); | |||
19230 | } | |||
19231 | return UnresolvedLookupExpr::Create( | |||
19232 | SemaRef.Context, /*NamingClass=*/nullptr, | |||
19233 | MapperIdScopeSpec.getWithLocInContext(SemaRef.Context), MapperId, | |||
19234 | /*ADL=*/false, /*Overloaded=*/true, URS.begin(), URS.end()); | |||
19235 | } | |||
19236 | SourceLocation Loc = MapperId.getLoc(); | |||
19237 | // [OpenMP 5.0], 2.19.7.3 declare mapper Directive, Restrictions | |||
19238 | // The type must be of struct, union or class type in C and C++ | |||
19239 | if (!Type->isStructureOrClassType() && !Type->isUnionType() && | |||
19240 | (MapperIdScopeSpec.isSet() || MapperId.getAsString() != "default")) { | |||
19241 | SemaRef.Diag(Loc, diag::err_omp_mapper_wrong_type); | |||
19242 | return ExprError(); | |||
19243 | } | |||
19244 | // Perform argument dependent lookup. | |||
19245 | if (SemaRef.getLangOpts().CPlusPlus && !MapperIdScopeSpec.isSet()) | |||
19246 | argumentDependentLookup(SemaRef, MapperId, Loc, Type, Lookups); | |||
19247 | // Return the first user-defined mapper with the desired type. | |||
19248 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( | |||
19249 | Lookups, [&SemaRef, Type](ValueDecl *D) -> ValueDecl * { | |||
19250 | if (!D->isInvalidDecl() && | |||
19251 | SemaRef.Context.hasSameType(D->getType(), Type)) | |||
19252 | return D; | |||
19253 | return nullptr; | |||
19254 | })) | |||
19255 | return SemaRef.BuildDeclRefExpr(VD, Type, VK_LValue, Loc); | |||
19256 | // Find the first user-defined mapper with a type derived from the desired | |||
19257 | // type. | |||
19258 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( | |||
19259 | Lookups, [&SemaRef, Type, Loc](ValueDecl *D) -> ValueDecl * { | |||
19260 | if (!D->isInvalidDecl() && | |||
19261 | SemaRef.IsDerivedFrom(Loc, Type, D->getType()) && | |||
19262 | !Type.isMoreQualifiedThan(D->getType())) | |||
19263 | return D; | |||
19264 | return nullptr; | |||
19265 | })) { | |||
19266 | CXXBasePaths Paths(/*FindAmbiguities=*/true, /*RecordPaths=*/true, | |||
19267 | /*DetectVirtual=*/false); | |||
19268 | if (SemaRef.IsDerivedFrom(Loc, Type, VD->getType(), Paths)) { | |||
19269 | if (!Paths.isAmbiguous(SemaRef.Context.getCanonicalType( | |||
19270 | VD->getType().getUnqualifiedType()))) { | |||
19271 | if (SemaRef.CheckBaseClassAccess( | |||
19272 | Loc, VD->getType(), Type, Paths.front(), | |||
19273 | /*DiagID=*/0) != Sema::AR_inaccessible) { | |||
19274 | return SemaRef.BuildDeclRefExpr(VD, Type, VK_LValue, Loc); | |||
19275 | } | |||
19276 | } | |||
19277 | } | |||
19278 | } | |||
19279 | // Report error if a mapper is specified, but cannot be found. | |||
19280 | if (MapperIdScopeSpec.isSet() || MapperId.getAsString() != "default") { | |||
19281 | SemaRef.Diag(Loc, diag::err_omp_invalid_mapper) | |||
19282 | << Type << MapperId.getName(); | |||
19283 | return ExprError(); | |||
19284 | } | |||
19285 | return ExprEmpty(); | |||
19286 | } | |||
19287 | ||||
19288 | namespace { | |||
19289 | // Utility struct that gathers all the related lists associated with a mappable | |||
19290 | // expression. | |||
19291 | struct MappableVarListInfo { | |||
19292 | // The list of expressions. | |||
19293 | ArrayRef<Expr *> VarList; | |||
19294 | // The list of processed expressions. | |||
19295 | SmallVector<Expr *, 16> ProcessedVarList; | |||
19296 | // The mappble components for each expression. | |||
19297 | OMPClauseMappableExprCommon::MappableExprComponentLists VarComponents; | |||
19298 | // The base declaration of the variable. | |||
19299 | SmallVector<ValueDecl *, 16> VarBaseDeclarations; | |||
19300 | // The reference to the user-defined mapper associated with every expression. | |||
19301 | SmallVector<Expr *, 16> UDMapperList; | |||
19302 | ||||
19303 | MappableVarListInfo(ArrayRef<Expr *> VarList) : VarList(VarList) { | |||
19304 | // We have a list of components and base declarations for each entry in the | |||
19305 | // variable list. | |||
19306 | VarComponents.reserve(VarList.size()); | |||
19307 | VarBaseDeclarations.reserve(VarList.size()); | |||
19308 | } | |||
19309 | }; | |||
19310 | } | |||
19311 | ||||
19312 | // Check the validity of the provided variable list for the provided clause kind | |||
19313 | // \a CKind. In the check process the valid expressions, mappable expression | |||
19314 | // components, variables, and user-defined mappers are extracted and used to | |||
19315 | // fill \a ProcessedVarList, \a VarComponents, \a VarBaseDeclarations, and \a | |||
19316 | // UDMapperList in MVLI. \a MapType, \a IsMapTypeImplicit, \a MapperIdScopeSpec, | |||
19317 | // and \a MapperId are expected to be valid if the clause kind is 'map'. | |||
19318 | static void checkMappableExpressionList( | |||
19319 | Sema &SemaRef, DSAStackTy *DSAS, OpenMPClauseKind CKind, | |||
19320 | MappableVarListInfo &MVLI, SourceLocation StartLoc, | |||
19321 | CXXScopeSpec &MapperIdScopeSpec, DeclarationNameInfo MapperId, | |||
19322 | ArrayRef<Expr *> UnresolvedMappers, | |||
19323 | OpenMPMapClauseKind MapType = OMPC_MAP_unknown, | |||
19324 | bool IsMapTypeImplicit = false) { | |||
19325 | // We only expect mappable expressions in 'to', 'from', and 'map' clauses. | |||
19326 | assert((CKind == OMPC_map || CKind == OMPC_to || CKind == OMPC_from) &&((void)0) | |||
19327 | "Unexpected clause kind with mappable expressions!")((void)0); | |||
19328 | ||||
19329 | // If the identifier of user-defined mapper is not specified, it is "default". | |||
19330 | // We do not change the actual name in this clause to distinguish whether a | |||
19331 | // mapper is specified explicitly, i.e., it is not explicitly specified when | |||
19332 | // MapperId.getName() is empty. | |||
19333 | if (!MapperId.getName() || MapperId.getName().isEmpty()) { | |||
19334 | auto &DeclNames = SemaRef.getASTContext().DeclarationNames; | |||
19335 | MapperId.setName(DeclNames.getIdentifier( | |||
19336 | &SemaRef.getASTContext().Idents.get("default"))); | |||
19337 | MapperId.setLoc(StartLoc); | |||
19338 | } | |||
19339 | ||||
19340 | // Iterators to find the current unresolved mapper expression. | |||
19341 | auto UMIt = UnresolvedMappers.begin(), UMEnd = UnresolvedMappers.end(); | |||
19342 | bool UpdateUMIt = false; | |||
19343 | Expr *UnresolvedMapper = nullptr; | |||
19344 | ||||
19345 | // Keep track of the mappable components and base declarations in this clause. | |||
19346 | // Each entry in the list is going to have a list of components associated. We | |||
19347 | // record each set of the components so that we can build the clause later on. | |||
19348 | // In the end we should have the same amount of declarations and component | |||
19349 | // lists. | |||
19350 | ||||
19351 | for (Expr *RE : MVLI.VarList) { | |||
19352 | assert(RE && "Null expr in omp to/from/map clause")((void)0); | |||
19353 | SourceLocation ELoc = RE->getExprLoc(); | |||
19354 | ||||
19355 | // Find the current unresolved mapper expression. | |||
19356 | if (UpdateUMIt && UMIt != UMEnd) { | |||
19357 | UMIt++; | |||
19358 | assert(((void)0) | |||
19359 | UMIt != UMEnd &&((void)0) | |||
19360 | "Expect the size of UnresolvedMappers to match with that of VarList")((void)0); | |||
19361 | } | |||
19362 | UpdateUMIt = true; | |||
19363 | if (UMIt != UMEnd) | |||
19364 | UnresolvedMapper = *UMIt; | |||
19365 | ||||
19366 | const Expr *VE = RE->IgnoreParenLValueCasts(); | |||
19367 | ||||
19368 | if (VE->isValueDependent() || VE->isTypeDependent() || | |||
19369 | VE->isInstantiationDependent() || | |||
19370 | VE->containsUnexpandedParameterPack()) { | |||
19371 | // Try to find the associated user-defined mapper. | |||
19372 | ExprResult ER = buildUserDefinedMapperRef( | |||
19373 | SemaRef, DSAS->getCurScope(), MapperIdScopeSpec, MapperId, | |||
19374 | VE->getType().getCanonicalType(), UnresolvedMapper); | |||
19375 | if (ER.isInvalid()) | |||
19376 | continue; | |||
19377 | MVLI.UDMapperList.push_back(ER.get()); | |||
19378 | // We can only analyze this information once the missing information is | |||
19379 | // resolved. | |||
19380 | MVLI.ProcessedVarList.push_back(RE); | |||
19381 | continue; | |||
19382 | } | |||
19383 | ||||
19384 | Expr *SimpleExpr = RE->IgnoreParenCasts(); | |||
19385 | ||||
19386 | if (!RE->isLValue()) { | |||
19387 | if (SemaRef.getLangOpts().OpenMP < 50) { | |||
19388 | SemaRef.Diag( | |||
19389 | ELoc, diag::err_omp_expected_named_var_member_or_array_expression) | |||
19390 | << RE->getSourceRange(); | |||
19391 | } else { | |||
19392 | SemaRef.Diag(ELoc, diag::err_omp_non_lvalue_in_map_or_motion_clauses) | |||
19393 | << getOpenMPClauseName(CKind) << RE->getSourceRange(); | |||
19394 | } | |||
19395 | continue; | |||
19396 | } | |||
19397 | ||||
19398 | OMPClauseMappableExprCommon::MappableExprComponentList CurComponents; | |||
19399 | ValueDecl *CurDeclaration = nullptr; | |||
19400 | ||||
19401 | // Obtain the array or member expression bases if required. Also, fill the | |||
19402 | // components array with all the components identified in the process. | |||
19403 | const Expr *BE = checkMapClauseExpressionBase( | |||
19404 | SemaRef, SimpleExpr, CurComponents, CKind, DSAS->getCurrentDirective(), | |||
19405 | /*NoDiagnose=*/false); | |||
19406 | if (!BE) | |||
19407 | continue; | |||
19408 | ||||
19409 | assert(!CurComponents.empty() &&((void)0) | |||
19410 | "Invalid mappable expression information.")((void)0); | |||
19411 | ||||
19412 | if (const auto *TE = dyn_cast<CXXThisExpr>(BE)) { | |||
19413 | // Add store "this" pointer to class in DSAStackTy for future checking | |||
19414 | DSAS->addMappedClassesQualTypes(TE->getType()); | |||
19415 | // Try to find the associated user-defined mapper. | |||
19416 | ExprResult ER = buildUserDefinedMapperRef( | |||
19417 | SemaRef, DSAS->getCurScope(), MapperIdScopeSpec, MapperId, | |||
19418 | VE->getType().getCanonicalType(), UnresolvedMapper); | |||
19419 | if (ER.isInvalid()) | |||
19420 | continue; | |||
19421 | MVLI.UDMapperList.push_back(ER.get()); | |||
19422 | // Skip restriction checking for variable or field declarations | |||
19423 | MVLI.ProcessedVarList.push_back(RE); | |||
19424 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); | |||
19425 | MVLI.VarComponents.back().append(CurComponents.begin(), | |||
19426 | CurComponents.end()); | |||
19427 | MVLI.VarBaseDeclarations.push_back(nullptr); | |||
19428 | continue; | |||
19429 | } | |||
19430 | ||||
19431 | // For the following checks, we rely on the base declaration which is | |||
19432 | // expected to be associated with the last component. The declaration is | |||
19433 | // expected to be a variable or a field (if 'this' is being mapped). | |||
19434 | CurDeclaration = CurComponents.back().getAssociatedDeclaration(); | |||
19435 | assert(CurDeclaration && "Null decl on map clause.")((void)0); | |||
19436 | assert(((void)0) | |||
19437 | CurDeclaration->isCanonicalDecl() &&((void)0) | |||
19438 | "Expecting components to have associated only canonical declarations.")((void)0); | |||
19439 | ||||
19440 | auto *VD = dyn_cast<VarDecl>(CurDeclaration); | |||
19441 | const auto *FD = dyn_cast<FieldDecl>(CurDeclaration); | |||
19442 | ||||
19443 | assert((VD || FD) && "Only variables or fields are expected here!")((void)0); | |||
19444 | (void)FD; | |||
19445 | ||||
19446 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.10] | |||
19447 | // threadprivate variables cannot appear in a map clause. | |||
19448 | // OpenMP 4.5 [2.10.5, target update Construct] | |||
19449 | // threadprivate variables cannot appear in a from clause. | |||
19450 | if (VD && DSAS->isThreadPrivate(VD)) { | |||
19451 | DSAStackTy::DSAVarData DVar = DSAS->getTopDSA(VD, /*FromParent=*/false); | |||
19452 | SemaRef.Diag(ELoc, diag::err_omp_threadprivate_in_clause) | |||
19453 | << getOpenMPClauseName(CKind); | |||
19454 | reportOriginalDsa(SemaRef, DSAS, VD, DVar); | |||
19455 | continue; | |||
19456 | } | |||
19457 | ||||
19458 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.9] | |||
19459 | // A list item cannot appear in both a map clause and a data-sharing | |||
19460 | // attribute clause on the same construct. | |||
19461 | ||||
19462 | // Check conflicts with other map clause expressions. We check the conflicts | |||
19463 | // with the current construct separately from the enclosing data | |||
19464 | // environment, because the restrictions are different. We only have to | |||
19465 | // check conflicts across regions for the map clauses. | |||
19466 | if (checkMapConflicts(SemaRef, DSAS, CurDeclaration, SimpleExpr, | |||
19467 | /*CurrentRegionOnly=*/true, CurComponents, CKind)) | |||
19468 | break; | |||
19469 | if (CKind == OMPC_map && | |||
19470 | (SemaRef.getLangOpts().OpenMP <= 45 || StartLoc.isValid()) && | |||
19471 | checkMapConflicts(SemaRef, DSAS, CurDeclaration, SimpleExpr, | |||
19472 | /*CurrentRegionOnly=*/false, CurComponents, CKind)) | |||
19473 | break; | |||
19474 | ||||
19475 | // OpenMP 4.5 [2.10.5, target update Construct] | |||
19476 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] | |||
19477 | // If the type of a list item is a reference to a type T then the type will | |||
19478 | // be considered to be T for all purposes of this clause. | |||
19479 | auto I = llvm::find_if( | |||
19480 | CurComponents, | |||
19481 | [](const OMPClauseMappableExprCommon::MappableComponent &MC) { | |||
19482 | return MC.getAssociatedDeclaration(); | |||
19483 | }); | |||
19484 | assert(I != CurComponents.end() && "Null decl on map clause.")((void)0); | |||
19485 | (void)I; | |||
19486 | QualType Type; | |||
19487 | auto *ASE = dyn_cast<ArraySubscriptExpr>(VE->IgnoreParens()); | |||
19488 | auto *OASE = dyn_cast<OMPArraySectionExpr>(VE->IgnoreParens()); | |||
19489 | auto *OAShE = dyn_cast<OMPArrayShapingExpr>(VE->IgnoreParens()); | |||
19490 | if (ASE) { | |||
19491 | Type = ASE->getType().getNonReferenceType(); | |||
19492 | } else if (OASE) { | |||
19493 | QualType BaseType = | |||
19494 | OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); | |||
19495 | if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) | |||
19496 | Type = ATy->getElementType(); | |||
19497 | else | |||
19498 | Type = BaseType->getPointeeType(); | |||
19499 | Type = Type.getNonReferenceType(); | |||
19500 | } else if (OAShE) { | |||
19501 | Type = OAShE->getBase()->getType()->getPointeeType(); | |||
19502 | } else { | |||
19503 | Type = VE->getType(); | |||
19504 | } | |||
19505 | ||||
19506 | // OpenMP 4.5 [2.10.5, target update Construct, Restrictions, p.4] | |||
19507 | // A list item in a to or from clause must have a mappable type. | |||
19508 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.9] | |||
19509 | // A list item must have a mappable type. | |||
19510 | if (!checkTypeMappable(VE->getExprLoc(), VE->getSourceRange(), SemaRef, | |||
19511 | DSAS, Type)) | |||
19512 | continue; | |||
19513 | ||||
19514 | if (CKind == OMPC_map) { | |||
19515 | // target enter data | |||
19516 | // OpenMP [2.10.2, Restrictions, p. 99] | |||
19517 | // A map-type must be specified in all map clauses and must be either | |||
19518 | // to or alloc. | |||
19519 | OpenMPDirectiveKind DKind = DSAS->getCurrentDirective(); | |||
19520 | if (DKind == OMPD_target_enter_data && | |||
19521 | !(MapType == OMPC_MAP_to || MapType == OMPC_MAP_alloc)) { | |||
19522 | SemaRef.Diag(StartLoc, diag::err_omp_invalid_map_type_for_directive) | |||
19523 | << (IsMapTypeImplicit ? 1 : 0) | |||
19524 | << getOpenMPSimpleClauseTypeName(OMPC_map, MapType) | |||
19525 | << getOpenMPDirectiveName(DKind); | |||
19526 | continue; | |||
19527 | } | |||
19528 | ||||
19529 | // target exit_data | |||
19530 | // OpenMP [2.10.3, Restrictions, p. 102] | |||
19531 | // A map-type must be specified in all map clauses and must be either | |||
19532 | // from, release, or delete. | |||
19533 | if (DKind == OMPD_target_exit_data && | |||
19534 | !(MapType == OMPC_MAP_from || MapType == OMPC_MAP_release || | |||
19535 | MapType == OMPC_MAP_delete)) { | |||
19536 | SemaRef.Diag(StartLoc, diag::err_omp_invalid_map_type_for_directive) | |||
19537 | << (IsMapTypeImplicit ? 1 : 0) | |||
19538 | << getOpenMPSimpleClauseTypeName(OMPC_map, MapType) | |||
19539 | << getOpenMPDirectiveName(DKind); | |||
19540 | continue; | |||
19541 | } | |||
19542 | ||||
19543 | // target, target data | |||
19544 | // OpenMP 5.0 [2.12.2, Restrictions, p. 163] | |||
19545 | // OpenMP 5.0 [2.12.5, Restrictions, p. 174] | |||
19546 | // A map-type in a map clause must be to, from, tofrom or alloc | |||
19547 | if ((DKind == OMPD_target_data || | |||
19548 | isOpenMPTargetExecutionDirective(DKind)) && | |||
19549 | !(MapType == OMPC_MAP_to || MapType == OMPC_MAP_from || | |||
19550 | MapType == OMPC_MAP_tofrom || MapType == OMPC_MAP_alloc)) { | |||
19551 | SemaRef.Diag(StartLoc, diag::err_omp_invalid_map_type_for_directive) | |||
19552 | << (IsMapTypeImplicit ? 1 : 0) | |||
19553 | << getOpenMPSimpleClauseTypeName(OMPC_map, MapType) | |||
19554 | << getOpenMPDirectiveName(DKind); | |||
19555 | continue; | |||
19556 | } | |||
19557 | ||||
19558 | // OpenMP 4.5 [2.15.5.1, Restrictions, p.3] | |||
19559 | // A list item cannot appear in both a map clause and a data-sharing | |||
19560 | // attribute clause on the same construct | |||
19561 | // | |||
19562 | // OpenMP 5.0 [2.19.7.1, Restrictions, p.7] | |||
19563 | // A list item cannot appear in both a map clause and a data-sharing | |||
19564 | // attribute clause on the same construct unless the construct is a | |||
19565 | // combined construct. | |||
19566 | if (VD && ((SemaRef.LangOpts.OpenMP <= 45 && | |||
19567 | isOpenMPTargetExecutionDirective(DKind)) || | |||
19568 | DKind == OMPD_target)) { | |||
19569 | DSAStackTy::DSAVarData DVar = DSAS->getTopDSA(VD, /*FromParent=*/false); | |||
19570 | if (isOpenMPPrivate(DVar.CKind)) { | |||
19571 | SemaRef.Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) | |||
19572 | << getOpenMPClauseName(DVar.CKind) | |||
19573 | << getOpenMPClauseName(OMPC_map) | |||
19574 | << getOpenMPDirectiveName(DSAS->getCurrentDirective()); | |||
19575 | reportOriginalDsa(SemaRef, DSAS, CurDeclaration, DVar); | |||
19576 | continue; | |||
19577 | } | |||
19578 | } | |||
19579 | } | |||
19580 | ||||
19581 | // Try to find the associated user-defined mapper. | |||
19582 | ExprResult ER = buildUserDefinedMapperRef( | |||
19583 | SemaRef, DSAS->getCurScope(), MapperIdScopeSpec, MapperId, | |||
19584 | Type.getCanonicalType(), UnresolvedMapper); | |||
19585 | if (ER.isInvalid()) | |||
19586 | continue; | |||
19587 | MVLI.UDMapperList.push_back(ER.get()); | |||
19588 | ||||
19589 | // Save the current expression. | |||
19590 | MVLI.ProcessedVarList.push_back(RE); | |||
19591 | ||||
19592 | // Store the components in the stack so that they can be used to check | |||
19593 | // against other clauses later on. | |||
19594 | DSAS->addMappableExpressionComponents(CurDeclaration, CurComponents, | |||
19595 | /*WhereFoundClauseKind=*/OMPC_map); | |||
19596 | ||||
19597 | // Save the components and declaration to create the clause. For purposes of | |||
19598 | // the clause creation, any component list that has has base 'this' uses | |||
19599 | // null as base declaration. | |||
19600 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); | |||
19601 | MVLI.VarComponents.back().append(CurComponents.begin(), | |||
19602 | CurComponents.end()); | |||
19603 | MVLI.VarBaseDeclarations.push_back(isa<MemberExpr>(BE) ? nullptr | |||
19604 | : CurDeclaration); | |||
19605 | } | |||
19606 | } | |||
19607 | ||||
19608 | OMPClause *Sema::ActOnOpenMPMapClause( | |||
19609 | ArrayRef<OpenMPMapModifierKind> MapTypeModifiers, | |||
19610 | ArrayRef<SourceLocation> MapTypeModifiersLoc, | |||
19611 | CXXScopeSpec &MapperIdScopeSpec, DeclarationNameInfo &MapperId, | |||
19612 | OpenMPMapClauseKind MapType, bool IsMapTypeImplicit, SourceLocation MapLoc, | |||
19613 | SourceLocation ColonLoc, ArrayRef<Expr *> VarList, | |||
19614 | const OMPVarListLocTy &Locs, ArrayRef<Expr *> UnresolvedMappers) { | |||
19615 | OpenMPMapModifierKind Modifiers[] = { | |||
19616 | OMPC_MAP_MODIFIER_unknown, OMPC_MAP_MODIFIER_unknown, | |||
19617 | OMPC_MAP_MODIFIER_unknown, OMPC_MAP_MODIFIER_unknown}; | |||
19618 | SourceLocation ModifiersLoc[NumberOfOMPMapClauseModifiers]; | |||
19619 | ||||
19620 | // Process map-type-modifiers, flag errors for duplicate modifiers. | |||
19621 | unsigned Count = 0; | |||
19622 | for (unsigned I = 0, E = MapTypeModifiers.size(); I < E; ++I) { | |||
19623 | if (MapTypeModifiers[I] != OMPC_MAP_MODIFIER_unknown && | |||
19624 | llvm::find(Modifiers, MapTypeModifiers[I]) != std::end(Modifiers)) { | |||
19625 | Diag(MapTypeModifiersLoc[I], diag::err_omp_duplicate_map_type_modifier); | |||
19626 | continue; | |||
19627 | } | |||
19628 | assert(Count < NumberOfOMPMapClauseModifiers &&((void)0) | |||
19629 | "Modifiers exceed the allowed number of map type modifiers")((void)0); | |||
19630 | Modifiers[Count] = MapTypeModifiers[I]; | |||
19631 | ModifiersLoc[Count] = MapTypeModifiersLoc[I]; | |||
19632 | ++Count; | |||
19633 | } | |||
19634 | ||||
19635 | MappableVarListInfo MVLI(VarList); | |||
19636 | checkMappableExpressionList(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_map, MVLI, Locs.StartLoc, | |||
19637 | MapperIdScopeSpec, MapperId, UnresolvedMappers, | |||
19638 | MapType, IsMapTypeImplicit); | |||
19639 | ||||
19640 | // We need to produce a map clause even if we don't have variables so that | |||
19641 | // other diagnostics related with non-existing map clauses are accurate. | |||
19642 | return OMPMapClause::Create(Context, Locs, MVLI.ProcessedVarList, | |||
19643 | MVLI.VarBaseDeclarations, MVLI.VarComponents, | |||
19644 | MVLI.UDMapperList, Modifiers, ModifiersLoc, | |||
19645 | MapperIdScopeSpec.getWithLocInContext(Context), | |||
19646 | MapperId, MapType, IsMapTypeImplicit, MapLoc); | |||
19647 | } | |||
19648 | ||||
19649 | QualType Sema::ActOnOpenMPDeclareReductionType(SourceLocation TyLoc, | |||
19650 | TypeResult ParsedType) { | |||
19651 | assert(ParsedType.isUsable())((void)0); | |||
19652 | ||||
19653 | QualType ReductionType = GetTypeFromParser(ParsedType.get()); | |||
19654 | if (ReductionType.isNull()) | |||
19655 | return QualType(); | |||
19656 | ||||
19657 | // [OpenMP 4.0], 2.15 declare reduction Directive, Restrictions, C\C++ | |||
19658 | // A type name in a declare reduction directive cannot be a function type, an | |||
19659 | // array type, a reference type, or a type qualified with const, volatile or | |||
19660 | // restrict. | |||
19661 | if (ReductionType.hasQualifiers()) { | |||
19662 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 0; | |||
19663 | return QualType(); | |||
19664 | } | |||
19665 | ||||
19666 | if (ReductionType->isFunctionType()) { | |||
19667 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 1; | |||
19668 | return QualType(); | |||
19669 | } | |||
19670 | if (ReductionType->isReferenceType()) { | |||
19671 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 2; | |||
19672 | return QualType(); | |||
19673 | } | |||
19674 | if (ReductionType->isArrayType()) { | |||
19675 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 3; | |||
19676 | return QualType(); | |||
19677 | } | |||
19678 | return ReductionType; | |||
19679 | } | |||
19680 | ||||
19681 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareReductionDirectiveStart( | |||
19682 | Scope *S, DeclContext *DC, DeclarationName Name, | |||
19683 | ArrayRef<std::pair<QualType, SourceLocation>> ReductionTypes, | |||
19684 | AccessSpecifier AS, Decl *PrevDeclInScope) { | |||
19685 | SmallVector<Decl *, 8> Decls; | |||
19686 | Decls.reserve(ReductionTypes.size()); | |||
19687 | ||||
19688 | LookupResult Lookup(*this, Name, SourceLocation(), LookupOMPReductionName, | |||
19689 | forRedeclarationInCurContext()); | |||
19690 | // [OpenMP 4.0], 2.15 declare reduction Directive, Restrictions | |||
19691 | // A reduction-identifier may not be re-declared in the current scope for the | |||
19692 | // same type or for a type that is compatible according to the base language | |||
19693 | // rules. | |||
19694 | llvm::DenseMap<QualType, SourceLocation> PreviousRedeclTypes; | |||
19695 | OMPDeclareReductionDecl *PrevDRD = nullptr; | |||
19696 | bool InCompoundScope = true; | |||
19697 | if (S != nullptr) { | |||
19698 | // Find previous declaration with the same name not referenced in other | |||
19699 | // declarations. | |||
19700 | FunctionScopeInfo *ParentFn = getEnclosingFunction(); | |||
19701 | InCompoundScope = | |||
19702 | (ParentFn != nullptr) && !ParentFn->CompoundScopes.empty(); | |||
19703 | LookupName(Lookup, S); | |||
19704 | FilterLookupForScope(Lookup, DC, S, /*ConsiderLinkage=*/false, | |||
19705 | /*AllowInlineNamespace=*/false); | |||
19706 | llvm::DenseMap<OMPDeclareReductionDecl *, bool> UsedAsPrevious; | |||
19707 | LookupResult::Filter Filter = Lookup.makeFilter(); | |||
19708 | while (Filter.hasNext()) { | |||
19709 | auto *PrevDecl = cast<OMPDeclareReductionDecl>(Filter.next()); | |||
19710 | if (InCompoundScope) { | |||
19711 | auto I = UsedAsPrevious.find(PrevDecl); | |||
19712 | if (I == UsedAsPrevious.end()) | |||
19713 | UsedAsPrevious[PrevDecl] = false; | |||
19714 | if (OMPDeclareReductionDecl *D = PrevDecl->getPrevDeclInScope()) | |||
19715 | UsedAsPrevious[D] = true; | |||
19716 | } | |||
19717 | PreviousRedeclTypes[PrevDecl->getType().getCanonicalType()] = | |||
19718 | PrevDecl->getLocation(); | |||
19719 | } | |||
19720 | Filter.done(); | |||
19721 | if (InCompoundScope) { | |||
19722 | for (const auto &PrevData : UsedAsPrevious) { | |||
19723 | if (!PrevData.second) { | |||
19724 | PrevDRD = PrevData.first; | |||
19725 | break; | |||
19726 | } | |||
19727 | } | |||
19728 | } | |||
19729 | } else if (PrevDeclInScope != nullptr) { | |||
19730 | auto *PrevDRDInScope = PrevDRD = | |||
19731 | cast<OMPDeclareReductionDecl>(PrevDeclInScope); | |||
19732 | do { | |||
19733 | PreviousRedeclTypes[PrevDRDInScope->getType().getCanonicalType()] = | |||
19734 | PrevDRDInScope->getLocation(); | |||
19735 | PrevDRDInScope = PrevDRDInScope->getPrevDeclInScope(); | |||
19736 | } while (PrevDRDInScope != nullptr); | |||
19737 | } | |||
19738 | for (const auto &TyData : ReductionTypes) { | |||
19739 | const auto I = PreviousRedeclTypes.find(TyData.first.getCanonicalType()); | |||
19740 | bool Invalid = false; | |||
19741 | if (I != PreviousRedeclTypes.end()) { | |||
19742 | Diag(TyData.second, diag::err_omp_declare_reduction_redefinition) | |||
19743 | << TyData.first; | |||
19744 | Diag(I->second, diag::note_previous_definition); | |||
19745 | Invalid = true; | |||
19746 | } | |||
19747 | PreviousRedeclTypes[TyData.first.getCanonicalType()] = TyData.second; | |||
19748 | auto *DRD = OMPDeclareReductionDecl::Create(Context, DC, TyData.second, | |||
19749 | Name, TyData.first, PrevDRD); | |||
19750 | DC->addDecl(DRD); | |||
19751 | DRD->setAccess(AS); | |||
19752 | Decls.push_back(DRD); | |||
19753 | if (Invalid) | |||
19754 | DRD->setInvalidDecl(); | |||
19755 | else | |||
19756 | PrevDRD = DRD; | |||
19757 | } | |||
19758 | ||||
19759 | return DeclGroupPtrTy::make( | |||
19760 | DeclGroupRef::Create(Context, Decls.begin(), Decls.size())); | |||
19761 | } | |||
19762 | ||||
19763 | void Sema::ActOnOpenMPDeclareReductionCombinerStart(Scope *S, Decl *D) { | |||
19764 | auto *DRD = cast<OMPDeclareReductionDecl>(D); | |||
19765 | ||||
19766 | // Enter new function scope. | |||
19767 | PushFunctionScope(); | |||
19768 | setFunctionHasBranchProtectedScope(); | |||
19769 | getCurFunction()->setHasOMPDeclareReductionCombiner(); | |||
19770 | ||||
19771 | if (S != nullptr) | |||
19772 | PushDeclContext(S, DRD); | |||
19773 | else | |||
19774 | CurContext = DRD; | |||
19775 | ||||
19776 | PushExpressionEvaluationContext( | |||
19777 | ExpressionEvaluationContext::PotentiallyEvaluated); | |||
19778 | ||||
19779 | QualType ReductionType = DRD->getType(); | |||
19780 | // Create 'T* omp_parm;T omp_in;'. All references to 'omp_in' will | |||
19781 | // be replaced by '*omp_parm' during codegen. This required because 'omp_in' | |||
19782 | // uses semantics of argument handles by value, but it should be passed by | |||
19783 | // reference. C lang does not support references, so pass all parameters as | |||
19784 | // pointers. | |||
19785 | // Create 'T omp_in;' variable. | |||
19786 | VarDecl *OmpInParm = | |||
19787 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_in"); | |||
19788 | // Create 'T* omp_parm;T omp_out;'. All references to 'omp_out' will | |||
19789 | // be replaced by '*omp_parm' during codegen. This required because 'omp_out' | |||
19790 | // uses semantics of argument handles by value, but it should be passed by | |||
19791 | // reference. C lang does not support references, so pass all parameters as | |||
19792 | // pointers. | |||
19793 | // Create 'T omp_out;' variable. | |||
19794 | VarDecl *OmpOutParm = | |||
19795 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_out"); | |||
19796 | if (S != nullptr) { | |||
19797 | PushOnScopeChains(OmpInParm, S); | |||
19798 | PushOnScopeChains(OmpOutParm, S); | |||
19799 | } else { | |||
19800 | DRD->addDecl(OmpInParm); | |||
19801 | DRD->addDecl(OmpOutParm); | |||
19802 | } | |||
19803 | Expr *InE = | |||
19804 | ::buildDeclRefExpr(*this, OmpInParm, ReductionType, D->getLocation()); | |||
19805 | Expr *OutE = | |||
19806 | ::buildDeclRefExpr(*this, OmpOutParm, ReductionType, D->getLocation()); | |||
19807 | DRD->setCombinerData(InE, OutE); | |||
19808 | } | |||
19809 | ||||
19810 | void Sema::ActOnOpenMPDeclareReductionCombinerEnd(Decl *D, Expr *Combiner) { | |||
19811 | auto *DRD = cast<OMPDeclareReductionDecl>(D); | |||
19812 | DiscardCleanupsInEvaluationContext(); | |||
19813 | PopExpressionEvaluationContext(); | |||
19814 | ||||
19815 | PopDeclContext(); | |||
19816 | PopFunctionScopeInfo(); | |||
19817 | ||||
19818 | if (Combiner != nullptr) | |||
19819 | DRD->setCombiner(Combiner); | |||
19820 | else | |||
19821 | DRD->setInvalidDecl(); | |||
19822 | } | |||
19823 | ||||
19824 | VarDecl *Sema::ActOnOpenMPDeclareReductionInitializerStart(Scope *S, Decl *D) { | |||
19825 | auto *DRD = cast<OMPDeclareReductionDecl>(D); | |||
19826 | ||||
19827 | // Enter new function scope. | |||
19828 | PushFunctionScope(); | |||
19829 | setFunctionHasBranchProtectedScope(); | |||
19830 | ||||
19831 | if (S != nullptr) | |||
19832 | PushDeclContext(S, DRD); | |||
19833 | else | |||
19834 | CurContext = DRD; | |||
19835 | ||||
19836 | PushExpressionEvaluationContext( | |||
19837 | ExpressionEvaluationContext::PotentiallyEvaluated); | |||
19838 | ||||
19839 | QualType ReductionType = DRD->getType(); | |||
19840 | // Create 'T* omp_parm;T omp_priv;'. All references to 'omp_priv' will | |||
19841 | // be replaced by '*omp_parm' during codegen. This required because 'omp_priv' | |||
19842 | // uses semantics of argument handles by value, but it should be passed by | |||
19843 | // reference. C lang does not support references, so pass all parameters as | |||
19844 | // pointers. | |||
19845 | // Create 'T omp_priv;' variable. | |||
19846 | VarDecl *OmpPrivParm = | |||
19847 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_priv"); | |||
19848 | // Create 'T* omp_parm;T omp_orig;'. All references to 'omp_orig' will | |||
19849 | // be replaced by '*omp_parm' during codegen. This required because 'omp_orig' | |||
19850 | // uses semantics of argument handles by value, but it should be passed by | |||
19851 | // reference. C lang does not support references, so pass all parameters as | |||
19852 | // pointers. | |||
19853 | // Create 'T omp_orig;' variable. | |||
19854 | VarDecl *OmpOrigParm = | |||
19855 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_orig"); | |||
19856 | if (S != nullptr) { | |||
19857 | PushOnScopeChains(OmpPrivParm, S); | |||
19858 | PushOnScopeChains(OmpOrigParm, S); | |||
19859 | } else { | |||
19860 | DRD->addDecl(OmpPrivParm); | |||
19861 | DRD->addDecl(OmpOrigParm); | |||
19862 | } | |||
19863 | Expr *OrigE = | |||
19864 | ::buildDeclRefExpr(*this, OmpOrigParm, ReductionType, D->getLocation()); | |||
19865 | Expr *PrivE = | |||
19866 | ::buildDeclRefExpr(*this, OmpPrivParm, ReductionType, D->getLocation()); | |||
19867 | DRD->setInitializerData(OrigE, PrivE); | |||
19868 | return OmpPrivParm; | |||
19869 | } | |||
19870 | ||||
19871 | void Sema::ActOnOpenMPDeclareReductionInitializerEnd(Decl *D, Expr *Initializer, | |||
19872 | VarDecl *OmpPrivParm) { | |||
19873 | auto *DRD = cast<OMPDeclareReductionDecl>(D); | |||
19874 | DiscardCleanupsInEvaluationContext(); | |||
19875 | PopExpressionEvaluationContext(); | |||
19876 | ||||
19877 | PopDeclContext(); | |||
19878 | PopFunctionScopeInfo(); | |||
19879 | ||||
19880 | if (Initializer != nullptr) { | |||
19881 | DRD->setInitializer(Initializer, OMPDeclareReductionDecl::CallInit); | |||
19882 | } else if (OmpPrivParm->hasInit()) { | |||
19883 | DRD->setInitializer(OmpPrivParm->getInit(), | |||
19884 | OmpPrivParm->isDirectInit() | |||
19885 | ? OMPDeclareReductionDecl::DirectInit | |||
19886 | : OMPDeclareReductionDecl::CopyInit); | |||
19887 | } else { | |||
19888 | DRD->setInvalidDecl(); | |||
19889 | } | |||
19890 | } | |||
19891 | ||||
19892 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareReductionDirectiveEnd( | |||
19893 | Scope *S, DeclGroupPtrTy DeclReductions, bool IsValid) { | |||
19894 | for (Decl *D : DeclReductions.get()) { | |||
19895 | if (IsValid) { | |||
19896 | if (S) | |||
19897 | PushOnScopeChains(cast<OMPDeclareReductionDecl>(D), S, | |||
19898 | /*AddToContext=*/false); | |||
19899 | } else { | |||
19900 | D->setInvalidDecl(); | |||
19901 | } | |||
19902 | } | |||
19903 | return DeclReductions; | |||
19904 | } | |||
19905 | ||||
19906 | TypeResult Sema::ActOnOpenMPDeclareMapperVarDecl(Scope *S, Declarator &D) { | |||
19907 | TypeSourceInfo *TInfo = GetTypeForDeclarator(D, S); | |||
19908 | QualType T = TInfo->getType(); | |||
19909 | if (D.isInvalidType()) | |||
19910 | return true; | |||
19911 | ||||
19912 | if (getLangOpts().CPlusPlus) { | |||
19913 | // Check that there are no default arguments (C++ only). | |||
19914 | CheckExtraCXXDefaultArguments(D); | |||
19915 | } | |||
19916 | ||||
19917 | return CreateParsedType(T, TInfo); | |||
19918 | } | |||
19919 | ||||
19920 | QualType Sema::ActOnOpenMPDeclareMapperType(SourceLocation TyLoc, | |||
19921 | TypeResult ParsedType) { | |||
19922 | assert(ParsedType.isUsable() && "Expect usable parsed mapper type")((void)0); | |||
19923 | ||||
19924 | QualType MapperType = GetTypeFromParser(ParsedType.get()); | |||
19925 | assert(!MapperType.isNull() && "Expect valid mapper type")((void)0); | |||
19926 | ||||
19927 | // [OpenMP 5.0], 2.19.7.3 declare mapper Directive, Restrictions | |||
19928 | // The type must be of struct, union or class type in C and C++ | |||
19929 | if (!MapperType->isStructureOrClassType() && !MapperType->isUnionType()) { | |||
19930 | Diag(TyLoc, diag::err_omp_mapper_wrong_type); | |||
19931 | return QualType(); | |||
19932 | } | |||
19933 | return MapperType; | |||
19934 | } | |||
19935 | ||||
19936 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareMapperDirective( | |||
19937 | Scope *S, DeclContext *DC, DeclarationName Name, QualType MapperType, | |||
19938 | SourceLocation StartLoc, DeclarationName VN, AccessSpecifier AS, | |||
19939 | Expr *MapperVarRef, ArrayRef<OMPClause *> Clauses, Decl *PrevDeclInScope) { | |||
19940 | LookupResult Lookup(*this, Name, SourceLocation(), LookupOMPMapperName, | |||
19941 | forRedeclarationInCurContext()); | |||
19942 | // [OpenMP 5.0], 2.19.7.3 declare mapper Directive, Restrictions | |||
19943 | // A mapper-identifier may not be redeclared in the current scope for the | |||
19944 | // same type or for a type that is compatible according to the base language | |||
19945 | // rules. | |||
19946 | llvm::DenseMap<QualType, SourceLocation> PreviousRedeclTypes; | |||
19947 | OMPDeclareMapperDecl *PrevDMD = nullptr; | |||
19948 | bool InCompoundScope = true; | |||
19949 | if (S != nullptr) { | |||
19950 | // Find previous declaration with the same name not referenced in other | |||
19951 | // declarations. | |||
19952 | FunctionScopeInfo *ParentFn = getEnclosingFunction(); | |||
19953 | InCompoundScope = | |||
19954 | (ParentFn != nullptr) && !ParentFn->CompoundScopes.empty(); | |||
19955 | LookupName(Lookup, S); | |||
19956 | FilterLookupForScope(Lookup, DC, S, /*ConsiderLinkage=*/false, | |||
19957 | /*AllowInlineNamespace=*/false); | |||
19958 | llvm::DenseMap<OMPDeclareMapperDecl *, bool> UsedAsPrevious; | |||
19959 | LookupResult::Filter Filter = Lookup.makeFilter(); | |||
19960 | while (Filter.hasNext()) { | |||
19961 | auto *PrevDecl = cast<OMPDeclareMapperDecl>(Filter.next()); | |||
19962 | if (InCompoundScope) { | |||
19963 | auto I = UsedAsPrevious.find(PrevDecl); | |||
19964 | if (I == UsedAsPrevious.end()) | |||
19965 | UsedAsPrevious[PrevDecl] = false; | |||
19966 | if (OMPDeclareMapperDecl *D = PrevDecl->getPrevDeclInScope()) | |||
19967 | UsedAsPrevious[D] = true; | |||
19968 | } | |||
19969 | PreviousRedeclTypes[PrevDecl->getType().getCanonicalType()] = | |||
19970 | PrevDecl->getLocation(); | |||
19971 | } | |||
19972 | Filter.done(); | |||
19973 | if (InCompoundScope) { | |||
19974 | for (const auto &PrevData : UsedAsPrevious) { | |||
19975 | if (!PrevData.second) { | |||
19976 | PrevDMD = PrevData.first; | |||
19977 | break; | |||
19978 | } | |||
19979 | } | |||
19980 | } | |||
19981 | } else if (PrevDeclInScope) { | |||
19982 | auto *PrevDMDInScope = PrevDMD = | |||
19983 | cast<OMPDeclareMapperDecl>(PrevDeclInScope); | |||
19984 | do { | |||
19985 | PreviousRedeclTypes[PrevDMDInScope->getType().getCanonicalType()] = | |||
19986 | PrevDMDInScope->getLocation(); | |||
19987 | PrevDMDInScope = PrevDMDInScope->getPrevDeclInScope(); | |||
19988 | } while (PrevDMDInScope != nullptr); | |||
19989 | } | |||
19990 | const auto I = PreviousRedeclTypes.find(MapperType.getCanonicalType()); | |||
19991 | bool Invalid = false; | |||
19992 | if (I != PreviousRedeclTypes.end()) { | |||
19993 | Diag(StartLoc, diag::err_omp_declare_mapper_redefinition) | |||
19994 | << MapperType << Name; | |||
19995 | Diag(I->second, diag::note_previous_definition); | |||
19996 | Invalid = true; | |||
19997 | } | |||
19998 | // Build expressions for implicit maps of data members with 'default' | |||
19999 | // mappers. | |||
20000 | SmallVector<OMPClause *, 4> ClausesWithImplicit(Clauses.begin(), | |||
20001 | Clauses.end()); | |||
20002 | if (LangOpts.OpenMP >= 50) | |||
20003 | processImplicitMapsWithDefaultMappers(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), ClausesWithImplicit); | |||
20004 | auto *DMD = | |||
20005 | OMPDeclareMapperDecl::Create(Context, DC, StartLoc, Name, MapperType, VN, | |||
20006 | ClausesWithImplicit, PrevDMD); | |||
20007 | if (S) | |||
20008 | PushOnScopeChains(DMD, S); | |||
20009 | else | |||
20010 | DC->addDecl(DMD); | |||
20011 | DMD->setAccess(AS); | |||
20012 | if (Invalid) | |||
20013 | DMD->setInvalidDecl(); | |||
20014 | ||||
20015 | auto *VD = cast<DeclRefExpr>(MapperVarRef)->getDecl(); | |||
20016 | VD->setDeclContext(DMD); | |||
20017 | VD->setLexicalDeclContext(DMD); | |||
20018 | DMD->addDecl(VD); | |||
20019 | DMD->setMapperVarRef(MapperVarRef); | |||
20020 | ||||
20021 | return DeclGroupPtrTy::make(DeclGroupRef(DMD)); | |||
20022 | } | |||
20023 | ||||
20024 | ExprResult | |||
20025 | Sema::ActOnOpenMPDeclareMapperDirectiveVarDecl(Scope *S, QualType MapperType, | |||
20026 | SourceLocation StartLoc, | |||
20027 | DeclarationName VN) { | |||
20028 | TypeSourceInfo *TInfo = | |||
20029 | Context.getTrivialTypeSourceInfo(MapperType, StartLoc); | |||
20030 | auto *VD = VarDecl::Create(Context, Context.getTranslationUnitDecl(), | |||
20031 | StartLoc, StartLoc, VN.getAsIdentifierInfo(), | |||
20032 | MapperType, TInfo, SC_None); | |||
20033 | if (S) | |||
20034 | PushOnScopeChains(VD, S, /*AddToContext=*/false); | |||
20035 | Expr *E = buildDeclRefExpr(*this, VD, MapperType, StartLoc); | |||
20036 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDeclareMapperVarRef(E); | |||
20037 | return E; | |||
20038 | } | |||
20039 | ||||
20040 | bool Sema::isOpenMPDeclareMapperVarDeclAllowed(const VarDecl *VD) const { | |||
20041 | assert(LangOpts.OpenMP && "Expected OpenMP mode.")((void)0); | |||
20042 | const Expr *Ref = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDeclareMapperVarRef(); | |||
20043 | if (const auto *DRE = cast_or_null<DeclRefExpr>(Ref)) { | |||
20044 | if (VD->getCanonicalDecl() == DRE->getDecl()->getCanonicalDecl()) | |||
20045 | return true; | |||
20046 | if (VD->isUsableInConstantExpressions(Context)) | |||
20047 | return true; | |||
20048 | return false; | |||
20049 | } | |||
20050 | return true; | |||
20051 | } | |||
20052 | ||||
20053 | const ValueDecl *Sema::getOpenMPDeclareMapperVarName() const { | |||
20054 | assert(LangOpts.OpenMP && "Expected OpenMP mode.")((void)0); | |||
20055 | return cast<DeclRefExpr>(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDeclareMapperVarRef())->getDecl(); | |||
20056 | } | |||
20057 | ||||
20058 | OMPClause *Sema::ActOnOpenMPNumTeamsClause(Expr *NumTeams, | |||
20059 | SourceLocation StartLoc, | |||
20060 | SourceLocation LParenLoc, | |||
20061 | SourceLocation EndLoc) { | |||
20062 | Expr *ValExpr = NumTeams; | |||
20063 | Stmt *HelperValStmt = nullptr; | |||
20064 | ||||
20065 | // OpenMP [teams Constrcut, Restrictions] | |||
20066 | // The num_teams expression must evaluate to a positive integer value. | |||
20067 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_num_teams, | |||
20068 | /*StrictlyPositive=*/true)) | |||
20069 | return nullptr; | |||
20070 | ||||
20071 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | |||
20072 | OpenMPDirectiveKind CaptureRegion = | |||
20073 | getOpenMPCaptureRegionForClause(DKind, OMPC_num_teams, LangOpts.OpenMP); | |||
20074 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | |||
20075 | ValExpr = MakeFullExpr(ValExpr).get(); | |||
20076 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | |||
20077 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | |||
20078 | HelperValStmt = buildPreInits(Context, Captures); | |||
20079 | } | |||
20080 | ||||
20081 | return new (Context) OMPNumTeamsClause(ValExpr, HelperValStmt, CaptureRegion, | |||
20082 | StartLoc, LParenLoc, EndLoc); | |||
20083 | } | |||
20084 | ||||
20085 | OMPClause *Sema::ActOnOpenMPThreadLimitClause(Expr *ThreadLimit, | |||
20086 | SourceLocation StartLoc, | |||
20087 | SourceLocation LParenLoc, | |||
20088 | SourceLocation EndLoc) { | |||
20089 | Expr *ValExpr = ThreadLimit; | |||
20090 | Stmt *HelperValStmt = nullptr; | |||
20091 | ||||
20092 | // OpenMP [teams Constrcut, Restrictions] | |||
20093 | // The thread_limit expression must evaluate to a positive integer value. | |||
20094 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_thread_limit, | |||
20095 | /*StrictlyPositive=*/true)) | |||
20096 | return nullptr; | |||
20097 | ||||
20098 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | |||
20099 | OpenMPDirectiveKind CaptureRegion = getOpenMPCaptureRegionForClause( | |||
20100 | DKind, OMPC_thread_limit, LangOpts.OpenMP); | |||
20101 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | |||
20102 | ValExpr = MakeFullExpr(ValExpr).get(); | |||
20103 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | |||
20104 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | |||
20105 | HelperValStmt = buildPreInits(Context, Captures); | |||
20106 | } | |||
20107 | ||||
20108 | return new (Context) OMPThreadLimitClause( | |||
20109 | ValExpr, HelperValStmt, CaptureRegion, StartLoc, LParenLoc, EndLoc); | |||
20110 | } | |||
20111 | ||||
20112 | OMPClause *Sema::ActOnOpenMPPriorityClause(Expr *Priority, | |||
20113 | SourceLocation StartLoc, | |||
20114 | SourceLocation LParenLoc, | |||
20115 | SourceLocation EndLoc) { | |||
20116 | Expr *ValExpr = Priority; | |||
20117 | Stmt *HelperValStmt = nullptr; | |||
20118 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | |||
20119 | ||||
20120 | // OpenMP [2.9.1, task Constrcut] | |||
20121 | // The priority-value is a non-negative numerical scalar expression. | |||
20122 | if (!isNonNegativeIntegerValue( | |||
20123 | ValExpr, *this, OMPC_priority, | |||
20124 | /*StrictlyPositive=*/false, /*BuildCapture=*/true, | |||
20125 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), &CaptureRegion, &HelperValStmt)) | |||
20126 | return nullptr; | |||
20127 | ||||
20128 | return new (Context) OMPPriorityClause(ValExpr, HelperValStmt, CaptureRegion, | |||
20129 | StartLoc, LParenLoc, EndLoc); | |||
20130 | } | |||
20131 | ||||
20132 | OMPClause *Sema::ActOnOpenMPGrainsizeClause(Expr *Grainsize, | |||
20133 | SourceLocation StartLoc, | |||
20134 | SourceLocation LParenLoc, | |||
20135 | SourceLocation EndLoc) { | |||
20136 | Expr *ValExpr = Grainsize; | |||
20137 | Stmt *HelperValStmt = nullptr; | |||
20138 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | |||
20139 | ||||
20140 | // OpenMP [2.9.2, taskloop Constrcut] | |||
20141 | // The parameter of the grainsize clause must be a positive integer | |||
20142 | // expression. | |||
20143 | if (!isNonNegativeIntegerValue( | |||
20144 | ValExpr, *this, OMPC_grainsize, | |||
20145 | /*StrictlyPositive=*/true, /*BuildCapture=*/true, | |||
20146 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), &CaptureRegion, &HelperValStmt)) | |||
20147 | return nullptr; | |||
20148 | ||||
20149 | return new (Context) OMPGrainsizeClause(ValExpr, HelperValStmt, CaptureRegion, | |||
20150 | StartLoc, LParenLoc, EndLoc); | |||
20151 | } | |||
20152 | ||||
20153 | OMPClause *Sema::ActOnOpenMPNumTasksClause(Expr *NumTasks, | |||
20154 | SourceLocation StartLoc, | |||
20155 | SourceLocation LParenLoc, | |||
20156 | SourceLocation EndLoc) { | |||
20157 | Expr *ValExpr = NumTasks; | |||
20158 | Stmt *HelperValStmt = nullptr; | |||
20159 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | |||
20160 | ||||
20161 | // OpenMP [2.9.2, taskloop Constrcut] | |||
20162 | // The parameter of the num_tasks clause must be a positive integer | |||
20163 | // expression. | |||
20164 | if (!isNonNegativeIntegerValue( | |||
20165 | ValExpr, *this, OMPC_num_tasks, | |||
20166 | /*StrictlyPositive=*/true, /*BuildCapture=*/true, | |||
20167 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), &CaptureRegion, &HelperValStmt)) | |||
20168 | return nullptr; | |||
20169 | ||||
20170 | return new (Context) OMPNumTasksClause(ValExpr, HelperValStmt, CaptureRegion, | |||
20171 | StartLoc, LParenLoc, EndLoc); | |||
20172 | } | |||
20173 | ||||
20174 | OMPClause *Sema::ActOnOpenMPHintClause(Expr *Hint, SourceLocation StartLoc, | |||
20175 | SourceLocation LParenLoc, | |||
20176 | SourceLocation EndLoc) { | |||
20177 | // OpenMP [2.13.2, critical construct, Description] | |||
20178 | // ... where hint-expression is an integer constant expression that evaluates | |||
20179 | // to a valid lock hint. | |||
20180 | ExprResult HintExpr = VerifyPositiveIntegerConstantInClause(Hint, OMPC_hint); | |||
20181 | if (HintExpr.isInvalid()) | |||
20182 | return nullptr; | |||
20183 | return new (Context) | |||
20184 | OMPHintClause(HintExpr.get(), StartLoc, LParenLoc, EndLoc); | |||
20185 | } | |||
20186 | ||||
20187 | /// Tries to find omp_event_handle_t type. | |||
20188 | static bool findOMPEventHandleT(Sema &S, SourceLocation Loc, | |||
20189 | DSAStackTy *Stack) { | |||
20190 | QualType OMPEventHandleT = Stack->getOMPEventHandleT(); | |||
20191 | if (!OMPEventHandleT.isNull()) | |||
20192 | return true; | |||
20193 | IdentifierInfo *II = &S.PP.getIdentifierTable().get("omp_event_handle_t"); | |||
20194 | ParsedType PT = S.getTypeName(*II, Loc, S.getCurScope()); | |||
20195 | if (!PT.getAsOpaquePtr() || PT.get().isNull()) { | |||
20196 | S.Diag(Loc, diag::err_omp_implied_type_not_found) << "omp_event_handle_t"; | |||
20197 | return false; | |||
20198 | } | |||
20199 | Stack->setOMPEventHandleT(PT.get()); | |||
20200 | return true; | |||
20201 | } | |||
20202 | ||||
20203 | OMPClause *Sema::ActOnOpenMPDetachClause(Expr *Evt, SourceLocation StartLoc, | |||
20204 | SourceLocation LParenLoc, | |||
20205 | SourceLocation EndLoc) { | |||
20206 | if (!Evt->isValueDependent() && !Evt->isTypeDependent() && | |||
20207 | !Evt->isInstantiationDependent() && | |||
20208 | !Evt->containsUnexpandedParameterPack()) { | |||
20209 | if (!findOMPEventHandleT(*this, Evt->getExprLoc(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
20210 | return nullptr; | |||
20211 | // OpenMP 5.0, 2.10.1 task Construct. | |||
20212 | // event-handle is a variable of the omp_event_handle_t type. | |||
20213 | auto *Ref = dyn_cast<DeclRefExpr>(Evt->IgnoreParenImpCasts()); | |||
20214 | if (!Ref) { | |||
20215 | Diag(Evt->getExprLoc(), diag::err_omp_var_expected) | |||
20216 | << "omp_event_handle_t" << 0 << Evt->getSourceRange(); | |||
20217 | return nullptr; | |||
20218 | } | |||
20219 | auto *VD = dyn_cast_or_null<VarDecl>(Ref->getDecl()); | |||
20220 | if (!VD) { | |||
20221 | Diag(Evt->getExprLoc(), diag::err_omp_var_expected) | |||
20222 | << "omp_event_handle_t" << 0 << Evt->getSourceRange(); | |||
20223 | return nullptr; | |||
20224 | } | |||
20225 | if (!Context.hasSameUnqualifiedType(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPEventHandleT(), | |||
20226 | VD->getType()) || | |||
20227 | VD->getType().isConstant(Context)) { | |||
20228 | Diag(Evt->getExprLoc(), diag::err_omp_var_expected) | |||
20229 | << "omp_event_handle_t" << 1 << VD->getType() | |||
20230 | << Evt->getSourceRange(); | |||
20231 | return nullptr; | |||
20232 | } | |||
20233 | // OpenMP 5.0, 2.10.1 task Construct | |||
20234 | // [detach clause]... The event-handle will be considered as if it was | |||
20235 | // specified on a firstprivate clause. | |||
20236 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(VD, /*FromParent=*/false); | |||
20237 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_firstprivate && | |||
20238 | DVar.RefExpr) { | |||
20239 | Diag(Evt->getExprLoc(), diag::err_omp_wrong_dsa) | |||
20240 | << getOpenMPClauseName(DVar.CKind) | |||
20241 | << getOpenMPClauseName(OMPC_firstprivate); | |||
20242 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VD, DVar); | |||
20243 | return nullptr; | |||
20244 | } | |||
20245 | } | |||
20246 | ||||
20247 | return new (Context) OMPDetachClause(Evt, StartLoc, LParenLoc, EndLoc); | |||
20248 | } | |||
20249 | ||||
20250 | OMPClause *Sema::ActOnOpenMPDistScheduleClause( | |||
20251 | OpenMPDistScheduleClauseKind Kind, Expr *ChunkSize, SourceLocation StartLoc, | |||
20252 | SourceLocation LParenLoc, SourceLocation KindLoc, SourceLocation CommaLoc, | |||
20253 | SourceLocation EndLoc) { | |||
20254 | if (Kind == OMPC_DIST_SCHEDULE_unknown) { | |||
20255 | std::string Values; | |||
20256 | Values += "'"; | |||
20257 | Values += getOpenMPSimpleClauseTypeName(OMPC_dist_schedule, 0); | |||
20258 | Values += "'"; | |||
20259 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) | |||
20260 | << Values << getOpenMPClauseName(OMPC_dist_schedule); | |||
20261 | return nullptr; | |||
20262 | } | |||
20263 | Expr *ValExpr = ChunkSize; | |||
20264 | Stmt *HelperValStmt = nullptr; | |||
20265 | if (ChunkSize) { | |||
20266 | if (!ChunkSize->isValueDependent() && !ChunkSize->isTypeDependent() && | |||
20267 | !ChunkSize->isInstantiationDependent() && | |||
20268 | !ChunkSize->containsUnexpandedParameterPack()) { | |||
20269 | SourceLocation ChunkSizeLoc = ChunkSize->getBeginLoc(); | |||
20270 | ExprResult Val = | |||
20271 | PerformOpenMPImplicitIntegerConversion(ChunkSizeLoc, ChunkSize); | |||
20272 | if (Val.isInvalid()) | |||
20273 | return nullptr; | |||
20274 | ||||
20275 | ValExpr = Val.get(); | |||
20276 | ||||
20277 | // OpenMP [2.7.1, Restrictions] | |||
20278 | // chunk_size must be a loop invariant integer expression with a positive | |||
20279 | // value. | |||
20280 | if (Optional<llvm::APSInt> Result = | |||
20281 | ValExpr->getIntegerConstantExpr(Context)) { | |||
20282 | if (Result->isSigned() && !Result->isStrictlyPositive()) { | |||
20283 | Diag(ChunkSizeLoc, diag::err_omp_negative_expression_in_clause) | |||
20284 | << "dist_schedule" << ChunkSize->getSourceRange(); | |||
20285 | return nullptr; | |||
20286 | } | |||
20287 | } else if (getOpenMPCaptureRegionForClause( | |||
20288 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), OMPC_dist_schedule, | |||
20289 | LangOpts.OpenMP) != OMPD_unknown && | |||
20290 | !CurContext->isDependentContext()) { | |||
20291 | ValExpr = MakeFullExpr(ValExpr).get(); | |||
20292 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | |||
20293 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | |||
20294 | HelperValStmt = buildPreInits(Context, Captures); | |||
20295 | } | |||
20296 | } | |||
20297 | } | |||
20298 | ||||
20299 | return new (Context) | |||
20300 | OMPDistScheduleClause(StartLoc, LParenLoc, KindLoc, CommaLoc, EndLoc, | |||
20301 | Kind, ValExpr, HelperValStmt); | |||
20302 | } | |||
20303 | ||||
20304 | OMPClause *Sema::ActOnOpenMPDefaultmapClause( | |||
20305 | OpenMPDefaultmapClauseModifier M, OpenMPDefaultmapClauseKind Kind, | |||
20306 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation MLoc, | |||
20307 | SourceLocation KindLoc, SourceLocation EndLoc) { | |||
20308 | if (getLangOpts().OpenMP < 50) { | |||
20309 | if (M != OMPC_DEFAULTMAP_MODIFIER_tofrom || | |||
20310 | Kind != OMPC_DEFAULTMAP_scalar) { | |||
20311 | std::string Value; | |||
20312 | SourceLocation Loc; | |||
20313 | Value += "'"; | |||
20314 | if (M != OMPC_DEFAULTMAP_MODIFIER_tofrom) { | |||
20315 | Value += getOpenMPSimpleClauseTypeName(OMPC_defaultmap, | |||
20316 | OMPC_DEFAULTMAP_MODIFIER_tofrom); | |||
20317 | Loc = MLoc; | |||
20318 | } else { | |||
20319 | Value += getOpenMPSimpleClauseTypeName(OMPC_defaultmap, | |||
20320 | OMPC_DEFAULTMAP_scalar); | |||
20321 | Loc = KindLoc; | |||
20322 | } | |||
20323 | Value += "'"; | |||
20324 | Diag(Loc, diag::err_omp_unexpected_clause_value) | |||
20325 | << Value << getOpenMPClauseName(OMPC_defaultmap); | |||
20326 | return nullptr; | |||
20327 | } | |||
20328 | } else { | |||
20329 | bool isDefaultmapModifier = (M != OMPC_DEFAULTMAP_MODIFIER_unknown); | |||
20330 | bool isDefaultmapKind = (Kind != OMPC_DEFAULTMAP_unknown) || | |||
20331 | (LangOpts.OpenMP >= 50 && KindLoc.isInvalid()); | |||
20332 | if (!isDefaultmapKind || !isDefaultmapModifier) { | |||
20333 | StringRef KindValue = "'scalar', 'aggregate', 'pointer'"; | |||
20334 | if (LangOpts.OpenMP == 50) { | |||
20335 | StringRef ModifierValue = "'alloc', 'from', 'to', 'tofrom', " | |||
20336 | "'firstprivate', 'none', 'default'"; | |||
20337 | if (!isDefaultmapKind && isDefaultmapModifier) { | |||
20338 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) | |||
20339 | << KindValue << getOpenMPClauseName(OMPC_defaultmap); | |||
20340 | } else if (isDefaultmapKind && !isDefaultmapModifier) { | |||
20341 | Diag(MLoc, diag::err_omp_unexpected_clause_value) | |||
20342 | << ModifierValue << getOpenMPClauseName(OMPC_defaultmap); | |||
20343 | } else { | |||
20344 | Diag(MLoc, diag::err_omp_unexpected_clause_value) | |||
20345 | << ModifierValue << getOpenMPClauseName(OMPC_defaultmap); | |||
20346 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) | |||
20347 | << KindValue << getOpenMPClauseName(OMPC_defaultmap); | |||
20348 | } | |||
20349 | } else { | |||
20350 | StringRef ModifierValue = | |||
20351 | "'alloc', 'from', 'to', 'tofrom', " | |||
20352 | "'firstprivate', 'none', 'default', 'present'"; | |||
20353 | if (!isDefaultmapKind && isDefaultmapModifier) { | |||
20354 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) | |||
20355 | << KindValue << getOpenMPClauseName(OMPC_defaultmap); | |||
20356 | } else if (isDefaultmapKind && !isDefaultmapModifier) { | |||
20357 | Diag(MLoc, diag::err_omp_unexpected_clause_value) | |||
20358 | << ModifierValue << getOpenMPClauseName(OMPC_defaultmap); | |||
20359 | } else { | |||
20360 | Diag(MLoc, diag::err_omp_unexpected_clause_value) | |||
20361 | << ModifierValue << getOpenMPClauseName(OMPC_defaultmap); | |||
20362 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) | |||
20363 | << KindValue << getOpenMPClauseName(OMPC_defaultmap); | |||
20364 | } | |||
20365 | } | |||
20366 | return nullptr; | |||
20367 | } | |||
20368 | ||||
20369 | // OpenMP [5.0, 2.12.5, Restrictions, p. 174] | |||
20370 | // At most one defaultmap clause for each category can appear on the | |||
20371 | // directive. | |||
20372 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkDefaultmapCategory(Kind)) { | |||
20373 | Diag(StartLoc, diag::err_omp_one_defaultmap_each_category); | |||
20374 | return nullptr; | |||
20375 | } | |||
20376 | } | |||
20377 | if (Kind == OMPC_DEFAULTMAP_unknown) { | |||
20378 | // Variable category is not specified - mark all categories. | |||
20379 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDMAAttr(M, OMPC_DEFAULTMAP_aggregate, StartLoc); | |||
20380 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDMAAttr(M, OMPC_DEFAULTMAP_scalar, StartLoc); | |||
20381 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDMAAttr(M, OMPC_DEFAULTMAP_pointer, StartLoc); | |||
20382 | } else { | |||
20383 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDMAAttr(M, Kind, StartLoc); | |||
20384 | } | |||
20385 | ||||
20386 | return new (Context) | |||
20387 | OMPDefaultmapClause(StartLoc, LParenLoc, MLoc, KindLoc, EndLoc, Kind, M); | |||
20388 | } | |||
20389 | ||||
20390 | bool Sema::ActOnStartOpenMPDeclareTargetContext( | |||
20391 | DeclareTargetContextInfo &DTCI) { | |||
20392 | DeclContext *CurLexicalContext = getCurLexicalContext(); | |||
20393 | if (!CurLexicalContext->isFileContext() && | |||
20394 | !CurLexicalContext->isExternCContext() && | |||
20395 | !CurLexicalContext->isExternCXXContext() && | |||
20396 | !isa<CXXRecordDecl>(CurLexicalContext) && | |||
20397 | !isa<ClassTemplateDecl>(CurLexicalContext) && | |||
20398 | !isa<ClassTemplatePartialSpecializationDecl>(CurLexicalContext) && | |||
20399 | !isa<ClassTemplateSpecializationDecl>(CurLexicalContext)) { | |||
20400 | Diag(DTCI.Loc, diag::err_omp_region_not_file_context); | |||
20401 | return false; | |||
20402 | } | |||
20403 | DeclareTargetNesting.push_back(DTCI); | |||
20404 | return true; | |||
20405 | } | |||
20406 | ||||
20407 | const Sema::DeclareTargetContextInfo | |||
20408 | Sema::ActOnOpenMPEndDeclareTargetDirective() { | |||
20409 | assert(!DeclareTargetNesting.empty() &&((void)0) | |||
20410 | "check isInOpenMPDeclareTargetContext() first!")((void)0); | |||
20411 | return DeclareTargetNesting.pop_back_val(); | |||
20412 | } | |||
20413 | ||||
20414 | void Sema::ActOnFinishedOpenMPDeclareTargetContext( | |||
20415 | DeclareTargetContextInfo &DTCI) { | |||
20416 | for (auto &It : DTCI.ExplicitlyMapped) | |||
20417 | ActOnOpenMPDeclareTargetName(It.first, It.second.Loc, It.second.MT, | |||
20418 | DTCI.DT); | |||
20419 | } | |||
20420 | ||||
20421 | NamedDecl *Sema::lookupOpenMPDeclareTargetName(Scope *CurScope, | |||
20422 | CXXScopeSpec &ScopeSpec, | |||
20423 | const DeclarationNameInfo &Id) { | |||
20424 | LookupResult Lookup(*this, Id, LookupOrdinaryName); | |||
20425 | LookupParsedName(Lookup, CurScope, &ScopeSpec, true); | |||
20426 | ||||
20427 | if (Lookup.isAmbiguous()) | |||
20428 | return nullptr; | |||
20429 | Lookup.suppressDiagnostics(); | |||
20430 | ||||
20431 | if (!Lookup.isSingleResult()) { | |||
20432 | VarOrFuncDeclFilterCCC CCC(*this); | |||
20433 | if (TypoCorrection Corrected = | |||
20434 | CorrectTypo(Id, LookupOrdinaryName, CurScope, nullptr, CCC, | |||
20435 | CTK_ErrorRecovery)) { | |||
20436 | diagnoseTypo(Corrected, PDiag(diag::err_undeclared_var_use_suggest) | |||
20437 | << Id.getName()); | |||
20438 | checkDeclIsAllowedInOpenMPTarget(nullptr, Corrected.getCorrectionDecl()); | |||
20439 | return nullptr; | |||
20440 | } | |||
20441 | ||||
20442 | Diag(Id.getLoc(), diag::err_undeclared_var_use) << Id.getName(); | |||
20443 | return nullptr; | |||
20444 | } | |||
20445 | ||||
20446 | NamedDecl *ND = Lookup.getAsSingle<NamedDecl>(); | |||
20447 | if (!isa<VarDecl>(ND) && !isa<FunctionDecl>(ND) && | |||
20448 | !isa<FunctionTemplateDecl>(ND)) { | |||
20449 | Diag(Id.getLoc(), diag::err_omp_invalid_target_decl) << Id.getName(); | |||
20450 | return nullptr; | |||
20451 | } | |||
20452 | return ND; | |||
20453 | } | |||
20454 | ||||
20455 | void Sema::ActOnOpenMPDeclareTargetName( | |||
20456 | NamedDecl *ND, SourceLocation Loc, OMPDeclareTargetDeclAttr::MapTypeTy MT, | |||
20457 | OMPDeclareTargetDeclAttr::DevTypeTy DT) { | |||
20458 | assert((isa<VarDecl>(ND) || isa<FunctionDecl>(ND) ||((void)0) | |||
20459 | isa<FunctionTemplateDecl>(ND)) &&((void)0) | |||
20460 | "Expected variable, function or function template.")((void)0); | |||
20461 | ||||
20462 | // Diagnose marking after use as it may lead to incorrect diagnosis and | |||
20463 | // codegen. | |||
20464 | if (LangOpts.OpenMP >= 50 && | |||
20465 | (ND->isUsed(/*CheckUsedAttr=*/false) || ND->isReferenced())) | |||
20466 | Diag(Loc, diag::warn_omp_declare_target_after_first_use); | |||
20467 | ||||
20468 | // Explicit declare target lists have precedence. | |||
20469 | const unsigned Level = -1; | |||
20470 | ||||
20471 | auto *VD = cast<ValueDecl>(ND); | |||
20472 | llvm::Optional<OMPDeclareTargetDeclAttr *> ActiveAttr = | |||
20473 | OMPDeclareTargetDeclAttr::getActiveAttr(VD); | |||
20474 | if (ActiveAttr.hasValue() && ActiveAttr.getValue()->getDevType() != DT && | |||
20475 | ActiveAttr.getValue()->getLevel() == Level) { | |||
20476 | Diag(Loc, diag::err_omp_device_type_mismatch) | |||
20477 | << OMPDeclareTargetDeclAttr::ConvertDevTypeTyToStr(DT) | |||
20478 | << OMPDeclareTargetDeclAttr::ConvertDevTypeTyToStr( | |||
20479 | ActiveAttr.getValue()->getDevType()); | |||
20480 | return; | |||
20481 | } | |||
20482 | if (ActiveAttr.hasValue() && ActiveAttr.getValue()->getMapType() != MT && | |||
20483 | ActiveAttr.getValue()->getLevel() == Level) { | |||
20484 | Diag(Loc, diag::err_omp_declare_target_to_and_link) << ND; | |||
20485 | return; | |||
20486 | } | |||
20487 | ||||
20488 | if (ActiveAttr.hasValue() && ActiveAttr.getValue()->getLevel() == Level) | |||
20489 | return; | |||
20490 | ||||
20491 | auto *A = OMPDeclareTargetDeclAttr::CreateImplicit(Context, MT, DT, Level, | |||
20492 | SourceRange(Loc, Loc)); | |||
20493 | ND->addAttr(A); | |||
20494 | if (ASTMutationListener *ML = Context.getASTMutationListener()) | |||
20495 | ML->DeclarationMarkedOpenMPDeclareTarget(ND, A); | |||
20496 | checkDeclIsAllowedInOpenMPTarget(nullptr, ND, Loc); | |||
20497 | } | |||
20498 | ||||
20499 | static void checkDeclInTargetContext(SourceLocation SL, SourceRange SR, | |||
20500 | Sema &SemaRef, Decl *D) { | |||
20501 | if (!D || !isa<VarDecl>(D)) | |||
20502 | return; | |||
20503 | auto *VD = cast<VarDecl>(D); | |||
20504 | Optional<OMPDeclareTargetDeclAttr::MapTypeTy> MapTy = | |||
20505 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | |||
20506 | if (SemaRef.LangOpts.OpenMP >= 50 && | |||
20507 | (SemaRef.getCurLambda(/*IgnoreNonLambdaCapturingScope=*/true) || | |||
20508 | SemaRef.getCurBlock() || SemaRef.getCurCapturedRegion()) && | |||
20509 | VD->hasGlobalStorage()) { | |||
20510 | if (!MapTy || *MapTy != OMPDeclareTargetDeclAttr::MT_To) { | |||
20511 | // OpenMP 5.0, 2.12.7 declare target Directive, Restrictions | |||
20512 | // If a lambda declaration and definition appears between a | |||
20513 | // declare target directive and the matching end declare target | |||
20514 | // directive, all variables that are captured by the lambda | |||
20515 | // expression must also appear in a to clause. | |||
20516 | SemaRef.Diag(VD->getLocation(), | |||
20517 | diag::err_omp_lambda_capture_in_declare_target_not_to); | |||
20518 | SemaRef.Diag(SL, diag::note_var_explicitly_captured_here) | |||
20519 | << VD << 0 << SR; | |||
20520 | return; | |||
20521 | } | |||
20522 | } | |||
20523 | if (MapTy.hasValue()) | |||
20524 | return; | |||
20525 | SemaRef.Diag(VD->getLocation(), diag::warn_omp_not_in_target_context); | |||
20526 | SemaRef.Diag(SL, diag::note_used_here) << SR; | |||
20527 | } | |||
20528 | ||||
20529 | static bool checkValueDeclInTarget(SourceLocation SL, SourceRange SR, | |||
20530 | Sema &SemaRef, DSAStackTy *Stack, | |||
20531 | ValueDecl *VD) { | |||
20532 | return OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD) || | |||
20533 | checkTypeMappable(SL, SR, SemaRef, Stack, VD->getType(), | |||
20534 | /*FullCheck=*/false); | |||
20535 | } | |||
20536 | ||||
20537 | void Sema::checkDeclIsAllowedInOpenMPTarget(Expr *E, Decl *D, | |||
20538 | SourceLocation IdLoc) { | |||
20539 | if (!D || D->isInvalidDecl()) | |||
20540 | return; | |||
20541 | SourceRange SR = E ? E->getSourceRange() : D->getSourceRange(); | |||
20542 | SourceLocation SL = E ? E->getBeginLoc() : D->getLocation(); | |||
20543 | if (auto *VD = dyn_cast<VarDecl>(D)) { | |||
20544 | // Only global variables can be marked as declare target. | |||
20545 | if (!VD->isFileVarDecl() && !VD->isStaticLocal() && | |||
20546 | !VD->isStaticDataMember()) | |||
20547 | return; | |||
20548 | // 2.10.6: threadprivate variable cannot appear in a declare target | |||
20549 | // directive. | |||
20550 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { | |||
20551 | Diag(SL, diag::err_omp_threadprivate_in_target); | |||
20552 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VD, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(VD, false)); | |||
20553 | return; | |||
20554 | } | |||
20555 | } | |||
20556 | if (const auto *FTD = dyn_cast<FunctionTemplateDecl>(D)) | |||
20557 | D = FTD->getTemplatedDecl(); | |||
20558 | if (auto *FD = dyn_cast<FunctionDecl>(D)) { | |||
20559 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | |||
20560 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(FD); | |||
20561 | if (IdLoc.isValid() && Res && *Res == OMPDeclareTargetDeclAttr::MT_Link) { | |||
20562 | Diag(IdLoc, diag::err_omp_function_in_link_clause); | |||
20563 | Diag(FD->getLocation(), diag::note_defined_here) << FD; | |||
20564 | return; | |||
20565 | } | |||
20566 | } | |||
20567 | if (auto *VD = dyn_cast<ValueDecl>(D)) { | |||
20568 | // Problem if any with var declared with incomplete type will be reported | |||
20569 | // as normal, so no need to check it here. | |||
20570 | if ((E || !VD->getType()->isIncompleteType()) && | |||
20571 | !checkValueDeclInTarget(SL, SR, *this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VD)) | |||
20572 | return; | |||
20573 | if (!E && isInOpenMPDeclareTargetContext()) { | |||
20574 | // Checking declaration inside declare target region. | |||
20575 | if (isa<VarDecl>(D) || isa<FunctionDecl>(D) || | |||
20576 | isa<FunctionTemplateDecl>(D)) { | |||
20577 | llvm::Optional<OMPDeclareTargetDeclAttr *> ActiveAttr = | |||
20578 | OMPDeclareTargetDeclAttr::getActiveAttr(VD); | |||
20579 | unsigned Level = DeclareTargetNesting.size(); | |||
20580 | if (ActiveAttr.hasValue() && ActiveAttr.getValue()->getLevel() >= Level) | |||
20581 | return; | |||
20582 | DeclareTargetContextInfo &DTCI = DeclareTargetNesting.back(); | |||
20583 | auto *A = OMPDeclareTargetDeclAttr::CreateImplicit( | |||
20584 | Context, OMPDeclareTargetDeclAttr::MT_To, DTCI.DT, Level, | |||
20585 | SourceRange(DTCI.Loc, DTCI.Loc)); | |||
20586 | D->addAttr(A); | |||
20587 | if (ASTMutationListener *ML = Context.getASTMutationListener()) | |||
20588 | ML->DeclarationMarkedOpenMPDeclareTarget(D, A); | |||
20589 | } | |||
20590 | return; | |||
20591 | } | |||
20592 | } | |||
20593 | if (!E) | |||
20594 | return; | |||
20595 | checkDeclInTargetContext(E->getExprLoc(), E->getSourceRange(), *this, D); | |||
20596 | } | |||
20597 | ||||
20598 | OMPClause *Sema::ActOnOpenMPToClause( | |||
20599 | ArrayRef<OpenMPMotionModifierKind> MotionModifiers, | |||
20600 | ArrayRef<SourceLocation> MotionModifiersLoc, | |||
20601 | CXXScopeSpec &MapperIdScopeSpec, DeclarationNameInfo &MapperId, | |||
20602 | SourceLocation ColonLoc, ArrayRef<Expr *> VarList, | |||
20603 | const OMPVarListLocTy &Locs, ArrayRef<Expr *> UnresolvedMappers) { | |||
20604 | OpenMPMotionModifierKind Modifiers[] = {OMPC_MOTION_MODIFIER_unknown, | |||
20605 | OMPC_MOTION_MODIFIER_unknown}; | |||
20606 | SourceLocation ModifiersLoc[NumberOfOMPMotionModifiers]; | |||
20607 | ||||
20608 | // Process motion-modifiers, flag errors for duplicate modifiers. | |||
20609 | unsigned Count = 0; | |||
20610 | for (unsigned I = 0, E = MotionModifiers.size(); I < E; ++I) { | |||
20611 | if (MotionModifiers[I] != OMPC_MOTION_MODIFIER_unknown && | |||
20612 | llvm::find(Modifiers, MotionModifiers[I]) != std::end(Modifiers)) { | |||
20613 | Diag(MotionModifiersLoc[I], diag::err_omp_duplicate_motion_modifier); | |||
20614 | continue; | |||
20615 | } | |||
20616 | assert(Count < NumberOfOMPMotionModifiers &&((void)0) | |||
20617 | "Modifiers exceed the allowed number of motion modifiers")((void)0); | |||
20618 | Modifiers[Count] = MotionModifiers[I]; | |||
20619 | ModifiersLoc[Count] = MotionModifiersLoc[I]; | |||
20620 | ++Count; | |||
20621 | } | |||
20622 | ||||
20623 | MappableVarListInfo MVLI(VarList); | |||
20624 | checkMappableExpressionList(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_to, MVLI, Locs.StartLoc, | |||
20625 | MapperIdScopeSpec, MapperId, UnresolvedMappers); | |||
20626 | if (MVLI.ProcessedVarList.empty()) | |||
20627 | return nullptr; | |||
20628 | ||||
20629 | return OMPToClause::Create( | |||
20630 | Context, Locs, MVLI.ProcessedVarList, MVLI.VarBaseDeclarations, | |||
20631 | MVLI.VarComponents, MVLI.UDMapperList, Modifiers, ModifiersLoc, | |||
20632 | MapperIdScopeSpec.getWithLocInContext(Context), MapperId); | |||
20633 | } | |||
20634 | ||||
20635 | OMPClause *Sema::ActOnOpenMPFromClause( | |||
20636 | ArrayRef<OpenMPMotionModifierKind> MotionModifiers, | |||
20637 | ArrayRef<SourceLocation> MotionModifiersLoc, | |||
20638 | CXXScopeSpec &MapperIdScopeSpec, DeclarationNameInfo &MapperId, | |||
20639 | SourceLocation ColonLoc, ArrayRef<Expr *> VarList, | |||
20640 | const OMPVarListLocTy &Locs, ArrayRef<Expr *> UnresolvedMappers) { | |||
20641 | OpenMPMotionModifierKind Modifiers[] = {OMPC_MOTION_MODIFIER_unknown, | |||
20642 | OMPC_MOTION_MODIFIER_unknown}; | |||
20643 | SourceLocation ModifiersLoc[NumberOfOMPMotionModifiers]; | |||
20644 | ||||
20645 | // Process motion-modifiers, flag errors for duplicate modifiers. | |||
20646 | unsigned Count = 0; | |||
20647 | for (unsigned I = 0, E = MotionModifiers.size(); I < E; ++I) { | |||
20648 | if (MotionModifiers[I] != OMPC_MOTION_MODIFIER_unknown && | |||
20649 | llvm::find(Modifiers, MotionModifiers[I]) != std::end(Modifiers)) { | |||
20650 | Diag(MotionModifiersLoc[I], diag::err_omp_duplicate_motion_modifier); | |||
20651 | continue; | |||
20652 | } | |||
20653 | assert(Count < NumberOfOMPMotionModifiers &&((void)0) | |||
20654 | "Modifiers exceed the allowed number of motion modifiers")((void)0); | |||
20655 | Modifiers[Count] = MotionModifiers[I]; | |||
20656 | ModifiersLoc[Count] = MotionModifiersLoc[I]; | |||
20657 | ++Count; | |||
20658 | } | |||
20659 | ||||
20660 | MappableVarListInfo MVLI(VarList); | |||
20661 | checkMappableExpressionList(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_from, MVLI, Locs.StartLoc, | |||
20662 | MapperIdScopeSpec, MapperId, UnresolvedMappers); | |||
20663 | if (MVLI.ProcessedVarList.empty()) | |||
20664 | return nullptr; | |||
20665 | ||||
20666 | return OMPFromClause::Create( | |||
20667 | Context, Locs, MVLI.ProcessedVarList, MVLI.VarBaseDeclarations, | |||
20668 | MVLI.VarComponents, MVLI.UDMapperList, Modifiers, ModifiersLoc, | |||
20669 | MapperIdScopeSpec.getWithLocInContext(Context), MapperId); | |||
20670 | } | |||
20671 | ||||
20672 | OMPClause *Sema::ActOnOpenMPUseDevicePtrClause(ArrayRef<Expr *> VarList, | |||
20673 | const OMPVarListLocTy &Locs) { | |||
20674 | MappableVarListInfo MVLI(VarList); | |||
20675 | SmallVector<Expr *, 8> PrivateCopies; | |||
20676 | SmallVector<Expr *, 8> Inits; | |||
20677 | ||||
20678 | for (Expr *RefExpr : VarList) { | |||
20679 | assert(RefExpr && "NULL expr in OpenMP use_device_ptr clause.")((void)0); | |||
20680 | SourceLocation ELoc; | |||
20681 | SourceRange ERange; | |||
20682 | Expr *SimpleRefExpr = RefExpr; | |||
20683 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | |||
20684 | if (Res.second) { | |||
20685 | // It will be analyzed later. | |||
20686 | MVLI.ProcessedVarList.push_back(RefExpr); | |||
20687 | PrivateCopies.push_back(nullptr); | |||
20688 | Inits.push_back(nullptr); | |||
20689 | } | |||
20690 | ValueDecl *D = Res.first; | |||
20691 | if (!D) | |||
20692 | continue; | |||
20693 | ||||
20694 | QualType Type = D->getType(); | |||
20695 | Type = Type.getNonReferenceType().getUnqualifiedType(); | |||
20696 | ||||
20697 | auto *VD = dyn_cast<VarDecl>(D); | |||
20698 | ||||
20699 | // Item should be a pointer or reference to pointer. | |||
20700 | if (!Type->isPointerType()) { | |||
20701 | Diag(ELoc, diag::err_omp_usedeviceptr_not_a_pointer) | |||
20702 | << 0 << RefExpr->getSourceRange(); | |||
20703 | continue; | |||
20704 | } | |||
20705 | ||||
20706 | // Build the private variable and the expression that refers to it. | |||
20707 | auto VDPrivate = | |||
20708 | buildVarDecl(*this, ELoc, Type, D->getName(), | |||
20709 | D->hasAttrs() ? &D->getAttrs() : nullptr, | |||
20710 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); | |||
20711 | if (VDPrivate->isInvalidDecl()) | |||
20712 | continue; | |||
20713 | ||||
20714 | CurContext->addDecl(VDPrivate); | |||
20715 | DeclRefExpr *VDPrivateRefExpr = buildDeclRefExpr( | |||
20716 | *this, VDPrivate, RefExpr->getType().getUnqualifiedType(), ELoc); | |||
20717 | ||||
20718 | // Add temporary variable to initialize the private copy of the pointer. | |||
20719 | VarDecl *VDInit = | |||
20720 | buildVarDecl(*this, RefExpr->getExprLoc(), Type, ".devptr.temp"); | |||
20721 | DeclRefExpr *VDInitRefExpr = buildDeclRefExpr( | |||
20722 | *this, VDInit, RefExpr->getType(), RefExpr->getExprLoc()); | |||
20723 | AddInitializerToDecl(VDPrivate, | |||
20724 | DefaultLvalueConversion(VDInitRefExpr).get(), | |||
20725 | /*DirectInit=*/false); | |||
20726 | ||||
20727 | // If required, build a capture to implement the privatization initialized | |||
20728 | // with the current list item value. | |||
20729 | DeclRefExpr *Ref = nullptr; | |||
20730 | if (!VD) | |||
20731 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); | |||
20732 | MVLI.ProcessedVarList.push_back(VD ? RefExpr->IgnoreParens() : Ref); | |||
20733 | PrivateCopies.push_back(VDPrivateRefExpr); | |||
20734 | Inits.push_back(VDInitRefExpr); | |||
20735 | ||||
20736 | // We need to add a data sharing attribute for this variable to make sure it | |||
20737 | // is correctly captured. A variable that shows up in a use_device_ptr has | |||
20738 | // similar properties of a first private variable. | |||
20739 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_firstprivate, Ref); | |||
20740 | ||||
20741 | // Create a mappable component for the list item. List items in this clause | |||
20742 | // only need a component. | |||
20743 | MVLI.VarBaseDeclarations.push_back(D); | |||
20744 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); | |||
20745 | MVLI.VarComponents.back().emplace_back(SimpleRefExpr, D, | |||
20746 | /*IsNonContiguous=*/false); | |||
20747 | } | |||
20748 | ||||
20749 | if (MVLI.ProcessedVarList.empty()) | |||
20750 | return nullptr; | |||
20751 | ||||
20752 | return OMPUseDevicePtrClause::Create( | |||
20753 | Context, Locs, MVLI.ProcessedVarList, PrivateCopies, Inits, | |||
20754 | MVLI.VarBaseDeclarations, MVLI.VarComponents); | |||
20755 | } | |||
20756 | ||||
20757 | OMPClause *Sema::ActOnOpenMPUseDeviceAddrClause(ArrayRef<Expr *> VarList, | |||
20758 | const OMPVarListLocTy &Locs) { | |||
20759 | MappableVarListInfo MVLI(VarList); | |||
20760 | ||||
20761 | for (Expr *RefExpr : VarList) { | |||
20762 | assert(RefExpr && "NULL expr in OpenMP use_device_addr clause.")((void)0); | |||
20763 | SourceLocation ELoc; | |||
20764 | SourceRange ERange; | |||
20765 | Expr *SimpleRefExpr = RefExpr; | |||
20766 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange, | |||
20767 | /*AllowArraySection=*/true); | |||
20768 | if (Res.second) { | |||
20769 | // It will be analyzed later. | |||
20770 | MVLI.ProcessedVarList.push_back(RefExpr); | |||
20771 | } | |||
20772 | ValueDecl *D = Res.first; | |||
20773 | if (!D) | |||
20774 | continue; | |||
20775 | auto *VD = dyn_cast<VarDecl>(D); | |||
20776 | ||||
20777 | // If required, build a capture to implement the privatization initialized | |||
20778 | // with the current list item value. | |||
20779 | DeclRefExpr *Ref = nullptr; | |||
20780 | if (!VD) | |||
20781 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); | |||
20782 | MVLI.ProcessedVarList.push_back(VD ? RefExpr->IgnoreParens() : Ref); | |||
20783 | ||||
20784 | // We need to add a data sharing attribute for this variable to make sure it | |||
20785 | // is correctly captured. A variable that shows up in a use_device_addr has | |||
20786 | // similar properties of a first private variable. | |||
20787 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_firstprivate, Ref); | |||
20788 | ||||
20789 | // Create a mappable component for the list item. List items in this clause | |||
20790 | // only need a component. | |||
20791 | MVLI.VarBaseDeclarations.push_back(D); | |||
20792 | MVLI.VarComponents.emplace_back(); | |||
20793 | Expr *Component = SimpleRefExpr; | |||
20794 | if (VD && (isa<OMPArraySectionExpr>(RefExpr->IgnoreParenImpCasts()) || | |||
20795 | isa<ArraySubscriptExpr>(RefExpr->IgnoreParenImpCasts()))) | |||
20796 | Component = DefaultFunctionArrayLvalueConversion(SimpleRefExpr).get(); | |||
20797 | MVLI.VarComponents.back().emplace_back(Component, D, | |||
20798 | /*IsNonContiguous=*/false); | |||
20799 | } | |||
20800 | ||||
20801 | if (MVLI.ProcessedVarList.empty()) | |||
20802 | return nullptr; | |||
20803 | ||||
20804 | return OMPUseDeviceAddrClause::Create(Context, Locs, MVLI.ProcessedVarList, | |||
20805 | MVLI.VarBaseDeclarations, | |||
20806 | MVLI.VarComponents); | |||
20807 | } | |||
20808 | ||||
20809 | OMPClause *Sema::ActOnOpenMPIsDevicePtrClause(ArrayRef<Expr *> VarList, | |||
20810 | const OMPVarListLocTy &Locs) { | |||
20811 | MappableVarListInfo MVLI(VarList); | |||
20812 | for (Expr *RefExpr : VarList) { | |||
20813 | assert(RefExpr && "NULL expr in OpenMP is_device_ptr clause.")((void)0); | |||
20814 | SourceLocation ELoc; | |||
20815 | SourceRange ERange; | |||
20816 | Expr *SimpleRefExpr = RefExpr; | |||
20817 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | |||
20818 | if (Res.second) { | |||
20819 | // It will be analyzed later. | |||
20820 | MVLI.ProcessedVarList.push_back(RefExpr); | |||
20821 | } | |||
20822 | ValueDecl *D = Res.first; | |||
20823 | if (!D) | |||
20824 | continue; | |||
20825 | ||||
20826 | QualType Type = D->getType(); | |||
20827 | // item should be a pointer or array or reference to pointer or array | |||
20828 | if (!Type.getNonReferenceType()->isPointerType() && | |||
20829 | !Type.getNonReferenceType()->isArrayType()) { | |||
20830 | Diag(ELoc, diag::err_omp_argument_type_isdeviceptr) | |||
20831 | << 0 << RefExpr->getSourceRange(); | |||
20832 | continue; | |||
20833 | } | |||
20834 | ||||
20835 | // Check if the declaration in the clause does not show up in any data | |||
20836 | // sharing attribute. | |||
20837 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | |||
20838 | if (isOpenMPPrivate(DVar.CKind)) { | |||
20839 | Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) | |||
20840 | << getOpenMPClauseName(DVar.CKind) | |||
20841 | << getOpenMPClauseName(OMPC_is_device_ptr) | |||
20842 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | |||
20843 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
20844 | continue; | |||
20845 | } | |||
20846 | ||||
20847 | const Expr *ConflictExpr; | |||
20848 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( | |||
20849 | D, /*CurrentRegionOnly=*/true, | |||
20850 | [&ConflictExpr]( | |||
20851 | OMPClauseMappableExprCommon::MappableExprComponentListRef R, | |||
20852 | OpenMPClauseKind) -> bool { | |||
20853 | ConflictExpr = R.front().getAssociatedExpression(); | |||
20854 | return true; | |||
20855 | })) { | |||
20856 | Diag(ELoc, diag::err_omp_map_shared_storage) << RefExpr->getSourceRange(); | |||
20857 | Diag(ConflictExpr->getExprLoc(), diag::note_used_here) | |||
20858 | << ConflictExpr->getSourceRange(); | |||
20859 | continue; | |||
20860 | } | |||
20861 | ||||
20862 | // Store the components in the stack so that they can be used to check | |||
20863 | // against other clauses later on. | |||
20864 | OMPClauseMappableExprCommon::MappableComponent MC( | |||
20865 | SimpleRefExpr, D, /*IsNonContiguous=*/false); | |||
20866 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addMappableExpressionComponents( | |||
20867 | D, MC, /*WhereFoundClauseKind=*/OMPC_is_device_ptr); | |||
20868 | ||||
20869 | // Record the expression we've just processed. | |||
20870 | MVLI.ProcessedVarList.push_back(SimpleRefExpr); | |||
20871 | ||||
20872 | // Create a mappable component for the list item. List items in this clause | |||
20873 | // only need a component. We use a null declaration to signal fields in | |||
20874 | // 'this'. | |||
20875 | assert((isa<DeclRefExpr>(SimpleRefExpr) ||((void)0) | |||
20876 | isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr)->getBase())) &&((void)0) | |||
20877 | "Unexpected device pointer expression!")((void)0); | |||
20878 | MVLI.VarBaseDeclarations.push_back( | |||
20879 | isa<DeclRefExpr>(SimpleRefExpr) ? D : nullptr); | |||
20880 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); | |||
20881 | MVLI.VarComponents.back().push_back(MC); | |||
20882 | } | |||
20883 | ||||
20884 | if (MVLI.ProcessedVarList.empty()) | |||
20885 | return nullptr; | |||
20886 | ||||
20887 | return OMPIsDevicePtrClause::Create(Context, Locs, MVLI.ProcessedVarList, | |||
20888 | MVLI.VarBaseDeclarations, | |||
20889 | MVLI.VarComponents); | |||
20890 | } | |||
20891 | ||||
20892 | OMPClause *Sema::ActOnOpenMPAllocateClause( | |||
20893 | Expr *Allocator, ArrayRef<Expr *> VarList, SourceLocation StartLoc, | |||
20894 | SourceLocation ColonLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { | |||
20895 | if (Allocator) { | |||
20896 | // OpenMP [2.11.4 allocate Clause, Description] | |||
20897 | // allocator is an expression of omp_allocator_handle_t type. | |||
20898 | if (!findOMPAllocatorHandleT(*this, Allocator->getExprLoc(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
20899 | return nullptr; | |||
20900 | ||||
20901 | ExprResult AllocatorRes = DefaultLvalueConversion(Allocator); | |||
20902 | if (AllocatorRes.isInvalid()) | |||
20903 | return nullptr; | |||
20904 | AllocatorRes = PerformImplicitConversion(AllocatorRes.get(), | |||
20905 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAllocatorHandleT(), | |||
20906 | Sema::AA_Initializing, | |||
20907 | /*AllowExplicit=*/true); | |||
20908 | if (AllocatorRes.isInvalid()) | |||
20909 | return nullptr; | |||
20910 | Allocator = AllocatorRes.get(); | |||
20911 | } else { | |||
20912 | // OpenMP 5.0, 2.11.4 allocate Clause, Restrictions. | |||
20913 | // allocate clauses that appear on a target construct or on constructs in a | |||
20914 | // target region must specify an allocator expression unless a requires | |||
20915 | // directive with the dynamic_allocators clause is present in the same | |||
20916 | // compilation unit. | |||
20917 | if (LangOpts.OpenMPIsDevice && | |||
20918 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPDynamicAllocatorsClause>()) | |||
20919 | targetDiag(StartLoc, diag::err_expected_allocator_expression); | |||
20920 | } | |||
20921 | // Analyze and build list of variables. | |||
20922 | SmallVector<Expr *, 8> Vars; | |||
20923 | for (Expr *RefExpr : VarList) { | |||
20924 | assert(RefExpr && "NULL expr in OpenMP private clause.")((void)0); | |||
20925 | SourceLocation ELoc; | |||
20926 | SourceRange ERange; | |||
20927 | Expr *SimpleRefExpr = RefExpr; | |||
20928 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | |||
20929 | if (Res.second) { | |||
20930 | // It will be analyzed later. | |||
20931 | Vars.push_back(RefExpr); | |||
20932 | } | |||
20933 | ValueDecl *D = Res.first; | |||
20934 | if (!D) | |||
20935 | continue; | |||
20936 | ||||
20937 | auto *VD = dyn_cast<VarDecl>(D); | |||
20938 | DeclRefExpr *Ref = nullptr; | |||
20939 | if (!VD && !CurContext->isDependentContext()) | |||
20940 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); | |||
20941 | Vars.push_back((VD || CurContext->isDependentContext()) | |||
20942 | ? RefExpr->IgnoreParens() | |||
20943 | : Ref); | |||
20944 | } | |||
20945 | ||||
20946 | if (Vars.empty()) | |||
20947 | return nullptr; | |||
20948 | ||||
20949 | if (Allocator) | |||
20950 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addInnerAllocatorExpr(Allocator); | |||
20951 | return OMPAllocateClause::Create(Context, StartLoc, LParenLoc, Allocator, | |||
20952 | ColonLoc, EndLoc, Vars); | |||
20953 | } | |||
20954 | ||||
20955 | OMPClause *Sema::ActOnOpenMPNontemporalClause(ArrayRef<Expr *> VarList, | |||
20956 | SourceLocation StartLoc, | |||
20957 | SourceLocation LParenLoc, | |||
20958 | SourceLocation EndLoc) { | |||
20959 | SmallVector<Expr *, 8> Vars; | |||
20960 | for (Expr *RefExpr : VarList) { | |||
20961 | assert(RefExpr && "NULL expr in OpenMP nontemporal clause.")((void)0); | |||
20962 | SourceLocation ELoc; | |||
20963 | SourceRange ERange; | |||
20964 | Expr *SimpleRefExpr = RefExpr; | |||
20965 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | |||
20966 | if (Res.second) | |||
20967 | // It will be analyzed later. | |||
20968 | Vars.push_back(RefExpr); | |||
20969 | ValueDecl *D = Res.first; | |||
20970 | if (!D) | |||
20971 | continue; | |||
20972 | ||||
20973 | // OpenMP 5.0, 2.9.3.1 simd Construct, Restrictions. | |||
20974 | // A list-item cannot appear in more than one nontemporal clause. | |||
20975 | if (const Expr *PrevRef = | |||
20976 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addUniqueNontemporal(D, SimpleRefExpr)) { | |||
20977 | Diag(ELoc, diag::err_omp_used_in_clause_twice) | |||
20978 | << 0 << getOpenMPClauseName(OMPC_nontemporal) << ERange; | |||
20979 | Diag(PrevRef->getExprLoc(), diag::note_omp_explicit_dsa) | |||
20980 | << getOpenMPClauseName(OMPC_nontemporal); | |||
20981 | continue; | |||
20982 | } | |||
20983 | ||||
20984 | Vars.push_back(RefExpr); | |||
20985 | } | |||
20986 | ||||
20987 | if (Vars.empty()) | |||
20988 | return nullptr; | |||
20989 | ||||
20990 | return OMPNontemporalClause::Create(Context, StartLoc, LParenLoc, EndLoc, | |||
20991 | Vars); | |||
20992 | } | |||
20993 | ||||
20994 | OMPClause *Sema::ActOnOpenMPInclusiveClause(ArrayRef<Expr *> VarList, | |||
20995 | SourceLocation StartLoc, | |||
20996 | SourceLocation LParenLoc, | |||
20997 | SourceLocation EndLoc) { | |||
20998 | SmallVector<Expr *, 8> Vars; | |||
20999 | for (Expr *RefExpr : VarList) { | |||
21000 | assert(RefExpr && "NULL expr in OpenMP nontemporal clause.")((void)0); | |||
21001 | SourceLocation ELoc; | |||
21002 | SourceRange ERange; | |||
21003 | Expr *SimpleRefExpr = RefExpr; | |||
21004 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange, | |||
21005 | /*AllowArraySection=*/true); | |||
21006 | if (Res.second) | |||
21007 | // It will be analyzed later. | |||
21008 | Vars.push_back(RefExpr); | |||
21009 | ValueDecl *D = Res.first; | |||
21010 | if (!D) | |||
21011 | continue; | |||
21012 | ||||
21013 | const DSAStackTy::DSAVarData DVar = | |||
21014 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/true); | |||
21015 | // OpenMP 5.0, 2.9.6, scan Directive, Restrictions. | |||
21016 | // A list item that appears in the inclusive or exclusive clause must appear | |||
21017 | // in a reduction clause with the inscan modifier on the enclosing | |||
21018 | // worksharing-loop, worksharing-loop SIMD, or simd construct. | |||
21019 | if (DVar.CKind != OMPC_reduction || | |||
21020 | DVar.Modifier != OMPC_REDUCTION_inscan) | |||
21021 | Diag(ELoc, diag::err_omp_inclusive_exclusive_not_reduction) | |||
21022 | << RefExpr->getSourceRange(); | |||
21023 | ||||
21024 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective() != OMPD_unknown) | |||
21025 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->markDeclAsUsedInScanDirective(D); | |||
21026 | Vars.push_back(RefExpr); | |||
21027 | } | |||
21028 | ||||
21029 | if (Vars.empty()) | |||
21030 | return nullptr; | |||
21031 | ||||
21032 | return OMPInclusiveClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars); | |||
21033 | } | |||
21034 | ||||
21035 | OMPClause *Sema::ActOnOpenMPExclusiveClause(ArrayRef<Expr *> VarList, | |||
21036 | SourceLocation StartLoc, | |||
21037 | SourceLocation LParenLoc, | |||
21038 | SourceLocation EndLoc) { | |||
21039 | SmallVector<Expr *, 8> Vars; | |||
21040 | for (Expr *RefExpr : VarList) { | |||
21041 | assert(RefExpr && "NULL expr in OpenMP nontemporal clause.")((void)0); | |||
21042 | SourceLocation ELoc; | |||
21043 | SourceRange ERange; | |||
21044 | Expr *SimpleRefExpr = RefExpr; | |||
21045 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange, | |||
21046 | /*AllowArraySection=*/true); | |||
21047 | if (Res.second) | |||
21048 | // It will be analyzed later. | |||
21049 | Vars.push_back(RefExpr); | |||
21050 | ValueDecl *D = Res.first; | |||
21051 | if (!D) | |||
21052 | continue; | |||
21053 | ||||
21054 | OpenMPDirectiveKind ParentDirective = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective(); | |||
21055 | DSAStackTy::DSAVarData DVar; | |||
21056 | if (ParentDirective != OMPD_unknown) | |||
21057 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/true); | |||
21058 | // OpenMP 5.0, 2.9.6, scan Directive, Restrictions. | |||
21059 | // A list item that appears in the inclusive or exclusive clause must appear | |||
21060 | // in a reduction clause with the inscan modifier on the enclosing | |||
21061 | // worksharing-loop, worksharing-loop SIMD, or simd construct. | |||
21062 | if (ParentDirective == OMPD_unknown || DVar.CKind != OMPC_reduction || | |||
21063 | DVar.Modifier != OMPC_REDUCTION_inscan) { | |||
21064 | Diag(ELoc, diag::err_omp_inclusive_exclusive_not_reduction) | |||
21065 | << RefExpr->getSourceRange(); | |||
21066 | } else { | |||
21067 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->markDeclAsUsedInScanDirective(D); | |||
21068 | } | |||
21069 | Vars.push_back(RefExpr); | |||
21070 | } | |||
21071 | ||||
21072 | if (Vars.empty()) | |||
21073 | return nullptr; | |||
21074 | ||||
21075 | return OMPExclusiveClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars); | |||
21076 | } | |||
21077 | ||||
21078 | /// Tries to find omp_alloctrait_t type. | |||
21079 | static bool findOMPAlloctraitT(Sema &S, SourceLocation Loc, DSAStackTy *Stack) { | |||
21080 | QualType OMPAlloctraitT = Stack->getOMPAlloctraitT(); | |||
21081 | if (!OMPAlloctraitT.isNull()) | |||
21082 | return true; | |||
21083 | IdentifierInfo &II = S.PP.getIdentifierTable().get("omp_alloctrait_t"); | |||
21084 | ParsedType PT = S.getTypeName(II, Loc, S.getCurScope()); | |||
21085 | if (!PT.getAsOpaquePtr() || PT.get().isNull()) { | |||
21086 | S.Diag(Loc, diag::err_omp_implied_type_not_found) << "omp_alloctrait_t"; | |||
21087 | return false; | |||
21088 | } | |||
21089 | Stack->setOMPAlloctraitT(PT.get()); | |||
21090 | return true; | |||
21091 | } | |||
21092 | ||||
21093 | OMPClause *Sema::ActOnOpenMPUsesAllocatorClause( | |||
21094 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc, | |||
21095 | ArrayRef<UsesAllocatorsData> Data) { | |||
21096 | // OpenMP [2.12.5, target Construct] | |||
21097 | // allocator is an identifier of omp_allocator_handle_t type. | |||
21098 | if (!findOMPAllocatorHandleT(*this, StartLoc, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
21099 | return nullptr; | |||
21100 | // OpenMP [2.12.5, target Construct] | |||
21101 | // allocator-traits-array is an identifier of const omp_alloctrait_t * type. | |||
21102 | if (llvm::any_of( | |||
21103 | Data, | |||
21104 | [](const UsesAllocatorsData &D) { return D.AllocatorTraits; }) && | |||
21105 | !findOMPAlloctraitT(*this, StartLoc, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
21106 | return nullptr; | |||
21107 | llvm::SmallPtrSet<CanonicalDeclPtr<Decl>, 4> PredefinedAllocators; | |||
21108 | for (int I = 0; I < OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; ++I) { | |||
21109 | auto AllocatorKind = static_cast<OMPAllocateDeclAttr::AllocatorTypeTy>(I); | |||
21110 | StringRef Allocator = | |||
21111 | OMPAllocateDeclAttr::ConvertAllocatorTypeTyToStr(AllocatorKind); | |||
21112 | DeclarationName AllocatorName = &Context.Idents.get(Allocator); | |||
21113 | PredefinedAllocators.insert(LookupSingleName( | |||
21114 | TUScope, AllocatorName, StartLoc, Sema::LookupAnyName)); | |||
21115 | } | |||
21116 | ||||
21117 | SmallVector<OMPUsesAllocatorsClause::Data, 4> NewData; | |||
21118 | for (const UsesAllocatorsData &D : Data) { | |||
21119 | Expr *AllocatorExpr = nullptr; | |||
21120 | // Check allocator expression. | |||
21121 | if (D.Allocator->isTypeDependent()) { | |||
21122 | AllocatorExpr = D.Allocator; | |||
21123 | } else { | |||
21124 | // Traits were specified - need to assign new allocator to the specified | |||
21125 | // allocator, so it must be an lvalue. | |||
21126 | AllocatorExpr = D.Allocator->IgnoreParenImpCasts(); | |||
21127 | auto *DRE = dyn_cast<DeclRefExpr>(AllocatorExpr); | |||
21128 | bool IsPredefinedAllocator = false; | |||
21129 | if (DRE) | |||
21130 | IsPredefinedAllocator = PredefinedAllocators.count(DRE->getDecl()); | |||
21131 | if (!DRE || | |||
21132 | !(Context.hasSameUnqualifiedType( | |||
21133 | AllocatorExpr->getType(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAllocatorHandleT()) || | |||
21134 | Context.typesAreCompatible(AllocatorExpr->getType(), | |||
21135 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAllocatorHandleT(), | |||
21136 | /*CompareUnqualified=*/true)) || | |||
21137 | (!IsPredefinedAllocator && | |||
21138 | (AllocatorExpr->getType().isConstant(Context) || | |||
21139 | !AllocatorExpr->isLValue()))) { | |||
21140 | Diag(D.Allocator->getExprLoc(), diag::err_omp_var_expected) | |||
21141 | << "omp_allocator_handle_t" << (DRE ? 1 : 0) | |||
21142 | << AllocatorExpr->getType() << D.Allocator->getSourceRange(); | |||
21143 | continue; | |||
21144 | } | |||
21145 | // OpenMP [2.12.5, target Construct] | |||
21146 | // Predefined allocators appearing in a uses_allocators clause cannot have | |||
21147 | // traits specified. | |||
21148 | if (IsPredefinedAllocator && D.AllocatorTraits) { | |||
21149 | Diag(D.AllocatorTraits->getExprLoc(), | |||
21150 | diag::err_omp_predefined_allocator_with_traits) | |||
21151 | << D.AllocatorTraits->getSourceRange(); | |||
21152 | Diag(D.Allocator->getExprLoc(), diag::note_omp_predefined_allocator) | |||
21153 | << cast<NamedDecl>(DRE->getDecl())->getName() | |||
21154 | << D.Allocator->getSourceRange(); | |||
21155 | continue; | |||
21156 | } | |||
21157 | // OpenMP [2.12.5, target Construct] | |||
21158 | // Non-predefined allocators appearing in a uses_allocators clause must | |||
21159 | // have traits specified. | |||
21160 | if (!IsPredefinedAllocator && !D.AllocatorTraits) { | |||
21161 | Diag(D.Allocator->getExprLoc(), | |||
21162 | diag::err_omp_nonpredefined_allocator_without_traits); | |||
21163 | continue; | |||
21164 | } | |||
21165 | // No allocator traits - just convert it to rvalue. | |||
21166 | if (!D.AllocatorTraits) | |||
21167 | AllocatorExpr = DefaultLvalueConversion(AllocatorExpr).get(); | |||
21168 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addUsesAllocatorsDecl( | |||
21169 | DRE->getDecl(), | |||
21170 | IsPredefinedAllocator | |||
21171 | ? DSAStackTy::UsesAllocatorsDeclKind::PredefinedAllocator | |||
21172 | : DSAStackTy::UsesAllocatorsDeclKind::UserDefinedAllocator); | |||
21173 | } | |||
21174 | Expr *AllocatorTraitsExpr = nullptr; | |||
21175 | if (D.AllocatorTraits) { | |||
21176 | if (D.AllocatorTraits->isTypeDependent()) { | |||
21177 | AllocatorTraitsExpr = D.AllocatorTraits; | |||
21178 | } else { | |||
21179 | // OpenMP [2.12.5, target Construct] | |||
21180 | // Arrays that contain allocator traits that appear in a uses_allocators | |||
21181 | // clause must be constant arrays, have constant values and be defined | |||
21182 | // in the same scope as the construct in which the clause appears. | |||
21183 | AllocatorTraitsExpr = D.AllocatorTraits->IgnoreParenImpCasts(); | |||
21184 | // Check that traits expr is a constant array. | |||
21185 | QualType TraitTy; | |||
21186 | if (const ArrayType *Ty = | |||
21187 | AllocatorTraitsExpr->getType()->getAsArrayTypeUnsafe()) | |||
21188 | if (const auto *ConstArrayTy = dyn_cast<ConstantArrayType>(Ty)) | |||
21189 | TraitTy = ConstArrayTy->getElementType(); | |||
21190 | if (TraitTy.isNull() || | |||
21191 | !(Context.hasSameUnqualifiedType(TraitTy, | |||
21192 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAlloctraitT()) || | |||
21193 | Context.typesAreCompatible(TraitTy, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAlloctraitT(), | |||
21194 | /*CompareUnqualified=*/true))) { | |||
21195 | Diag(D.AllocatorTraits->getExprLoc(), | |||
21196 | diag::err_omp_expected_array_alloctraits) | |||
21197 | << AllocatorTraitsExpr->getType(); | |||
21198 | continue; | |||
21199 | } | |||
21200 | // Do not map by default allocator traits if it is a standalone | |||
21201 | // variable. | |||
21202 | if (auto *DRE = dyn_cast<DeclRefExpr>(AllocatorTraitsExpr)) | |||
21203 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addUsesAllocatorsDecl( | |||
21204 | DRE->getDecl(), | |||
21205 | DSAStackTy::UsesAllocatorsDeclKind::AllocatorTrait); | |||
21206 | } | |||
21207 | } | |||
21208 | OMPUsesAllocatorsClause::Data &NewD = NewData.emplace_back(); | |||
21209 | NewD.Allocator = AllocatorExpr; | |||
21210 | NewD.AllocatorTraits = AllocatorTraitsExpr; | |||
21211 | NewD.LParenLoc = D.LParenLoc; | |||
21212 | NewD.RParenLoc = D.RParenLoc; | |||
21213 | } | |||
21214 | return OMPUsesAllocatorsClause::Create(Context, StartLoc, LParenLoc, EndLoc, | |||
21215 | NewData); | |||
21216 | } | |||
21217 | ||||
21218 | OMPClause *Sema::ActOnOpenMPAffinityClause( | |||
21219 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation ColonLoc, | |||
21220 | SourceLocation EndLoc, Expr *Modifier, ArrayRef<Expr *> Locators) { | |||
21221 | SmallVector<Expr *, 8> Vars; | |||
21222 | for (Expr *RefExpr : Locators) { | |||
21223 | assert(RefExpr && "NULL expr in OpenMP shared clause.")((void)0); | |||
21224 | if (isa<DependentScopeDeclRefExpr>(RefExpr) || RefExpr->isTypeDependent()) { | |||
21225 | // It will be analyzed later. | |||
21226 | Vars.push_back(RefExpr); | |||
21227 | continue; | |||
21228 | } | |||
21229 | ||||
21230 | SourceLocation ELoc = RefExpr->getExprLoc(); | |||
21231 | Expr *SimpleExpr = RefExpr->IgnoreParenImpCasts(); | |||
21232 | ||||
21233 | if (!SimpleExpr->isLValue()) { | |||
21234 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) | |||
21235 | << 1 << 0 << RefExpr->getSourceRange(); | |||
21236 | continue; | |||
21237 | } | |||
21238 | ||||
21239 | ExprResult Res; | |||
21240 | { | |||
21241 | Sema::TentativeAnalysisScope Trap(*this); | |||
21242 | Res = CreateBuiltinUnaryOp(ELoc, UO_AddrOf, SimpleExpr); | |||
21243 | } | |||
21244 | if (!Res.isUsable() && !isa<OMPArraySectionExpr>(SimpleExpr) && | |||
21245 | !isa<OMPArrayShapingExpr>(SimpleExpr)) { | |||
21246 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) | |||
21247 | << 1 << 0 << RefExpr->getSourceRange(); | |||
21248 | continue; | |||
21249 | } | |||
21250 | Vars.push_back(SimpleExpr); | |||
21251 | } | |||
21252 | ||||
21253 | return OMPAffinityClause::Create(Context, StartLoc, LParenLoc, ColonLoc, | |||
21254 | EndLoc, Modifier, Vars); | |||
21255 | } |