diff options
Diffstat (limited to 'clang/lib/Sema/SemaOpenMP.cpp')
| -rw-r--r-- | clang/lib/Sema/SemaOpenMP.cpp | 150 |
1 files changed, 6 insertions, 144 deletions
diff --git a/clang/lib/Sema/SemaOpenMP.cpp b/clang/lib/Sema/SemaOpenMP.cpp index c4a813d45cb..ff2b2826092 100644 --- a/clang/lib/Sema/SemaOpenMP.cpp +++ b/clang/lib/Sema/SemaOpenMP.cpp @@ -92,16 +92,15 @@ private: Scope *CurScope; SourceLocation ConstructLoc; bool OrderedRegion; - SourceLocation InnerTeamsRegionLoc; SharingMapTy(OpenMPDirectiveKind DKind, DeclarationNameInfo Name, Scope *CurScope, SourceLocation Loc) : SharingMap(), AlignedMap(), DefaultAttr(DSA_unspecified), Directive(DKind), DirectiveName(std::move(Name)), CurScope(CurScope), - ConstructLoc(Loc), OrderedRegion(false), InnerTeamsRegionLoc() {} + ConstructLoc(Loc), OrderedRegion(false) {} SharingMapTy() : SharingMap(), AlignedMap(), DefaultAttr(DSA_unspecified), Directive(OMPD_unknown), DirectiveName(), CurScope(nullptr), - ConstructLoc(), OrderedRegion(false), InnerTeamsRegionLoc() {} + ConstructLoc(), OrderedRegion(false) {} }; typedef SmallVector<SharingMapTy, 64> StackTy; @@ -208,30 +207,13 @@ public: return false; } - /// \brief Marks current target region as one with closely nested teams - /// region. - void setParentTeamsRegionLoc(SourceLocation TeamsRegionLoc) { - if (Stack.size() > 2) - Stack[Stack.size() - 2].InnerTeamsRegionLoc = TeamsRegionLoc; - } - /// \brief Returns true, if current region has closely nested teams region. - bool hasInnerTeamsRegion() const { - return getInnerTeamsRegionLoc().isValid(); - } - /// \brief Returns location of the nested teams region (if any). - SourceLocation getInnerTeamsRegionLoc() const { - if (Stack.size() > 1) - return Stack.back().InnerTeamsRegionLoc; - return SourceLocation(); - } - Scope *getCurScope() const { return Stack.back().CurScope; } Scope *getCurScope() { return Stack.back().CurScope; } SourceLocation getConstructLoc() { return Stack.back().ConstructLoc; } }; bool isParallelOrTaskRegion(OpenMPDirectiveKind DKind) { return isOpenMPParallelDirective(DKind) || DKind == OMPD_task || - isOpenMPTeamsDirective(DKind) || DKind == OMPD_unknown; + DKind == OMPD_unknown; } } // namespace @@ -294,8 +276,7 @@ DSAStackTy::DSAVarData DSAStackTy::getDSA(StackTy::reverse_iterator Iter, // In a parallel construct, if no default clause is present, these // variables are shared. DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; - if (isOpenMPParallelDirective(DVar.DKind) || - isOpenMPTeamsDirective(DVar.DKind)) { + if (isOpenMPParallelDirective(DVar.DKind)) { DVar.CKind = OMPC_shared; return DVar; } @@ -952,8 +933,7 @@ public: DVar = Stack->hasInnermostDSA(VD, MatchesAnyClause(OMPC_reduction), [](OpenMPDirectiveKind K) -> bool { return isOpenMPParallelDirective(K) || - isOpenMPWorksharingDirective(K) || - isOpenMPTeamsDirective(K); + isOpenMPWorksharingDirective(K); }, false); if (DKind == OMPD_task && DVar.CKind == OMPC_reduction) { @@ -1172,18 +1152,6 @@ void Sema::ActOnOpenMPRegionStart(OpenMPDirectiveKind DKind, Scope *CurScope) { Params); break; } - case OMPD_teams: { - QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1); - QualType KmpInt32PtrTy = Context.getPointerType(KmpInt32Ty); - Sema::CapturedParamNameType Params[] = { - std::make_pair(".global_tid.", KmpInt32PtrTy), - std::make_pair(".bound_tid.", KmpInt32PtrTy), - std::make_pair(StringRef(), QualType()) // __context with shared vars - }; - ActOnCapturedRegionStart(DSAStack->getConstructLoc(), CurScope, CR_OpenMP, - Params); - break; - } case OMPD_threadprivate: llvm_unreachable("OpenMP Directive is not allowed"); case OMPD_unknown: @@ -1219,7 +1187,6 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack, // | parallel | ordered | + | // | parallel | atomic | * | // | parallel | target | * | - // | parallel | teams | + | // +------------------+-----------------+------------------------------------+ // | for | parallel | * | // | for | for | + | @@ -1241,7 +1208,6 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack, // | for | ordered | * (if construct is ordered) | // | for | atomic | * | // | for | target | * | - // | for | teams | + | // +------------------+-----------------+------------------------------------+ // | master | parallel | * | // | master | for | + | @@ -1263,7 +1229,6 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack, // | master | ordered | + | // | master | atomic | * | // | master | target | * | - // | master | teams | + | // +------------------+-----------------+------------------------------------+ // | critical | parallel | * | // | critical | for | + | @@ -1284,7 +1249,6 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack, // | critical | ordered | + | // | critical | atomic | * | // | critical | target | * | - // | critical | teams | + | // +------------------+-----------------+------------------------------------+ // | simd | parallel | | // | simd | for | | @@ -1306,7 +1270,6 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack, // | simd | ordered | | // | simd | atomic | | // | simd | target | | - // | simd | teams | | // +------------------+-----------------+------------------------------------+ // | for simd | parallel | | // | for simd | for | | @@ -1328,7 +1291,6 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack, // | for simd | ordered | | // | for simd | atomic | | // | for simd | target | | - // | for simd | teams | | // +------------------+-----------------+------------------------------------+ // | parallel for simd| parallel | | // | parallel for simd| for | | @@ -1350,7 +1312,6 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack, // | parallel for simd| ordered | | // | parallel for simd| atomic | | // | parallel for simd| target | | - // | parallel for simd| teams | | // +------------------+-----------------+------------------------------------+ // | sections | parallel | * | // | sections | for | + | @@ -1372,7 +1333,6 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack, // | sections | ordered | + | // | sections | atomic | * | // | sections | target | * | - // | sections | teams | + | // +------------------+-----------------+------------------------------------+ // | section | parallel | * | // | section | for | + | @@ -1394,7 +1354,6 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack, // | section | ordered | + | // | section | atomic | * | // | section | target | * | - // | section | teams | + | // +------------------+-----------------+------------------------------------+ // | single | parallel | * | // | single | for | + | @@ -1416,7 +1375,6 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack, // | single | ordered | + | // | single | atomic | * | // | single | target | * | - // | single | teams | + | // +------------------+-----------------+------------------------------------+ // | parallel for | parallel | * | // | parallel for | for | + | @@ -1438,7 +1396,6 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack, // | parallel for | ordered | * (if construct is ordered) | // | parallel for | atomic | * | // | parallel for | target | * | - // | parallel for | teams | + | // +------------------+-----------------+------------------------------------+ // | parallel sections| parallel | * | // | parallel sections| for | + | @@ -1460,7 +1417,6 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack, // | parallel sections| ordered | + | // | parallel sections| atomic | * | // | parallel sections| target | * | - // | parallel sections| teams | + | // +------------------+-----------------+------------------------------------+ // | task | parallel | * | // | task | for | + | @@ -1482,7 +1438,6 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack, // | task | ordered | + | // | task | atomic | * | // | task | target | * | - // | task | teams | + | // +------------------+-----------------+------------------------------------+ // | ordered | parallel | * | // | ordered | for | + | @@ -1504,7 +1459,6 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack, // | ordered | ordered | + | // | ordered | atomic | * | // | ordered | target | * | - // | ordered | teams | + | // +------------------+-----------------+------------------------------------+ // | atomic | parallel | | // | atomic | for | | @@ -1526,7 +1480,6 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack, // | atomic | ordered | | // | atomic | atomic | | // | atomic | target | | - // | atomic | teams | | // +------------------+-----------------+------------------------------------+ // | target | parallel | * | // | target | for | * | @@ -1548,29 +1501,6 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack, // | target | ordered | * | // | target | atomic | * | // | target | target | * | - // | target | teams | * | - // +------------------+-----------------+------------------------------------+ - // | teams | parallel | * | - // | teams | for | + | - // | teams | for simd | + | - // | teams | master | + | - // | teams | critical | + | - // | teams | simd | + | - // | teams | sections | + | - // | teams | section | + | - // | teams | single | + | - // | teams | parallel for | * | - // | teams |parallel for simd| * | - // | teams |parallel sections| * | - // | teams | task | + | - // | teams | taskyield | + | - // | teams | barrier | + | - // | teams | taskwait | + | - // | teams | flush | + | - // | teams | ordered | + | - // | teams | atomic | + | - // | teams | target | + | - // | teams | teams | + | // +------------------+-----------------+------------------------------------+ if (Stack->getCurScope()) { auto ParentRegion = Stack->getParentDirective(); @@ -1579,8 +1509,7 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack, enum { NoRecommend, ShouldBeInParallelRegion, - ShouldBeInOrderedRegion, - ShouldBeInTargetRegion + ShouldBeInOrderedRegion } Recommend = NoRecommend; if (isOpenMPSimdDirective(ParentRegion)) { // OpenMP [2.16, Nesting of Regions] @@ -1675,22 +1604,6 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack, ParentRegion == OMPD_task || !Stack->isParentOrderedRegion(); Recommend = ShouldBeInOrderedRegion; - } else if (isOpenMPTeamsDirective(CurrentRegion)) { - // OpenMP [2.16, Nesting of Regions] - // If specified, a teams construct must be contained within a target - // construct. - NestingProhibited = ParentRegion != OMPD_target; - Recommend = ShouldBeInTargetRegion; - Stack->setParentTeamsRegionLoc(Stack->getConstructLoc()); - } - if (!NestingProhibited && isOpenMPTeamsDirective(ParentRegion)) { - // OpenMP [2.16, Nesting of Regions] - // distribute, parallel, parallel sections, parallel workshare, and the - // parallel loop and parallel loop SIMD constructs are the only OpenMP - // constructs that can be closely nested in the teams region. - // TODO: add distribute directive. - NestingProhibited = !isOpenMPParallelDirective(CurrentRegion); - Recommend = ShouldBeInParallelRegion; } if (NestingProhibited) { SemaRef.Diag(StartLoc, diag::err_omp_prohibited_region) @@ -1830,10 +1743,6 @@ StmtResult Sema::ActOnOpenMPExecutableDirective(OpenMPDirectiveKind Kind, Res = ActOnOpenMPAtomicDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); break; - case OMPD_teams: - Res = - ActOnOpenMPTeamsDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); - break; case OMPD_target: Res = ActOnOpenMPTargetDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); @@ -3252,58 +3161,11 @@ StmtResult Sema::ActOnOpenMPTargetDirective(ArrayRef<OMPClause *> Clauses, SourceLocation EndLoc) { assert(AStmt && isa<CapturedStmt>(AStmt) && "Captured statement expected"); - // OpenMP [2.16, Nesting of Regions] - // If specified, a teams construct must be contained within a target - // construct. That target construct must contain no statements or directives - // outside of the teams construct. - if (DSAStack->hasInnerTeamsRegion()) { - auto S = AStmt->IgnoreContainers(/*IgnoreCaptured*/ true); - bool OMPTeamsFound = true; - if (auto *CS = dyn_cast<CompoundStmt>(S)) { - auto I = CS->body_begin(); - while (I != CS->body_end()) { - auto OED = dyn_cast<OMPExecutableDirective>(*I); - if (!OED || !isOpenMPTeamsDirective(OED->getDirectiveKind())) { - OMPTeamsFound = false; - break; - } - ++I; - } - assert(I != CS->body_end() && "Not found statement"); - S = *I; - } - if (!OMPTeamsFound) { - Diag(StartLoc, diag::err_omp_target_contains_not_only_teams); - Diag(DSAStack->getInnerTeamsRegionLoc(), - diag::note_omp_nested_teams_construct_here); - Diag(S->getLocStart(), diag::note_omp_nested_statement_here) - << isa<OMPExecutableDirective>(S); - return StmtError(); - } - } - getCurFunction()->setHasBranchProtectedScope(); return OMPTargetDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); } -StmtResult Sema::ActOnOpenMPTeamsDirective(ArrayRef<OMPClause *> Clauses, - Stmt *AStmt, SourceLocation StartLoc, - SourceLocation EndLoc) { - assert(AStmt && isa<CapturedStmt>(AStmt) && "Captured statement expected"); - CapturedStmt *CS = cast<CapturedStmt>(AStmt); - // 1.2.2 OpenMP Language Terminology - // Structured block - An executable statement with a single entry at the - // top and a single exit at the bottom. - // The point of exit cannot be a branch out of the structured block. - // longjmp() and throw() must not violate the entry/exit criteria. - CS->getCapturedDecl()->setNothrow(); - - getCurFunction()->setHasBranchProtectedScope(); - - return OMPTeamsDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); -} - OMPClause *Sema::ActOnOpenMPSingleExprClause(OpenMPClauseKind Kind, Expr *Expr, SourceLocation StartLoc, SourceLocation LParenLoc, |

