*/
CXCursor_OMPTargetDataDirective = 257,
- CXCursor_LastStmt = CXCursor_OMPTargetDataDirective,
+ /** \brief OpenMP taskloop directive.
+ */
+ CXCursor_OMPTaskLoopDirective = 258,
+
+ CXCursor_LastStmt = CXCursor_OMPTaskLoopDirective,
/**
* \brief Cursor that represents the translation unit itself.
DEF_TRAVERSE_STMT(OMPTeamsDirective,
{ TRY_TO(TraverseOMPExecutableDirective(S)); })
+DEF_TRAVERSE_STMT(OMPTaskLoopDirective,
+ { TRY_TO(TraverseOMPExecutableDirective(S)); })
+
// OpenMP clauses.
template <typename Derived>
bool RecursiveASTVisitor<Derived>::TraverseOMPClause(OMPClause *C) {
/// \brief Offset to the start of children expression arrays.
static unsigned getArraysOffset(OpenMPDirectiveKind Kind) {
- return isOpenMPWorksharingDirective(Kind) ? WorksharingEnd
- : DefaultEnd;
+ return (isOpenMPWorksharingDirective(Kind) || Kind == OMPD_taskloop)
+ ? WorksharingEnd
+ : DefaultEnd;
}
/// \brief Children number.
void setInit(Expr *Init) { *std::next(child_begin(), InitOffset) = Init; }
void setInc(Expr *Inc) { *std::next(child_begin(), IncOffset) = Inc; }
void setIsLastIterVariable(Expr *IL) {
- assert(isOpenMPWorksharingDirective(getDirectiveKind()) &&
+ assert((isOpenMPWorksharingDirective(getDirectiveKind()) ||
+ getDirectiveKind() == OMPD_taskloop) &&
"expected worksharing loop directive");
*std::next(child_begin(), IsLastIterVariableOffset) = IL;
}
void setLowerBoundVariable(Expr *LB) {
- assert(isOpenMPWorksharingDirective(getDirectiveKind()) &&
+ assert((isOpenMPWorksharingDirective(getDirectiveKind()) ||
+ getDirectiveKind() == OMPD_taskloop) &&
"expected worksharing loop directive");
*std::next(child_begin(), LowerBoundVariableOffset) = LB;
}
void setUpperBoundVariable(Expr *UB) {
- assert(isOpenMPWorksharingDirective(getDirectiveKind()) &&
+ assert((isOpenMPWorksharingDirective(getDirectiveKind()) ||
+ getDirectiveKind() == OMPD_taskloop) &&
"expected worksharing loop directive");
*std::next(child_begin(), UpperBoundVariableOffset) = UB;
}
void setStrideVariable(Expr *ST) {
- assert(isOpenMPWorksharingDirective(getDirectiveKind()) &&
+ assert((isOpenMPWorksharingDirective(getDirectiveKind()) ||
+ getDirectiveKind() == OMPD_taskloop) &&
"expected worksharing loop directive");
*std::next(child_begin(), StrideVariableOffset) = ST;
}
void setEnsureUpperBound(Expr *EUB) {
- assert(isOpenMPWorksharingDirective(getDirectiveKind()) &&
+ assert((isOpenMPWorksharingDirective(getDirectiveKind()) ||
+ getDirectiveKind() == OMPD_taskloop) &&
"expected worksharing loop directive");
*std::next(child_begin(), EnsureUpperBoundOffset) = EUB;
}
void setNextLowerBound(Expr *NLB) {
- assert(isOpenMPWorksharingDirective(getDirectiveKind()) &&
+ assert((isOpenMPWorksharingDirective(getDirectiveKind()) ||
+ getDirectiveKind() == OMPD_taskloop) &&
"expected worksharing loop directive");
*std::next(child_begin(), NextLowerBoundOffset) = NLB;
}
void setNextUpperBound(Expr *NUB) {
- assert(isOpenMPWorksharingDirective(getDirectiveKind()) &&
+ assert((isOpenMPWorksharingDirective(getDirectiveKind()) ||
+ getDirectiveKind() == OMPD_taskloop) &&
"expected worksharing loop directive");
*std::next(child_begin(), NextUpperBoundOffset) = NUB;
}
reinterpret_cast<const Expr *>(*std::next(child_begin(), IncOffset)));
}
Expr *getIsLastIterVariable() const {
- assert(isOpenMPWorksharingDirective(getDirectiveKind()) &&
+ assert((isOpenMPWorksharingDirective(getDirectiveKind()) ||
+ getDirectiveKind() == OMPD_taskloop) &&
"expected worksharing loop directive");
return const_cast<Expr *>(reinterpret_cast<const Expr *>(
*std::next(child_begin(), IsLastIterVariableOffset)));
}
Expr *getLowerBoundVariable() const {
- assert(isOpenMPWorksharingDirective(getDirectiveKind()) &&
+ assert((isOpenMPWorksharingDirective(getDirectiveKind()) ||
+ getDirectiveKind() == OMPD_taskloop) &&
"expected worksharing loop directive");
return const_cast<Expr *>(reinterpret_cast<const Expr *>(
*std::next(child_begin(), LowerBoundVariableOffset)));
}
Expr *getUpperBoundVariable() const {
- assert(isOpenMPWorksharingDirective(getDirectiveKind()) &&
+ assert((isOpenMPWorksharingDirective(getDirectiveKind()) ||
+ getDirectiveKind() == OMPD_taskloop) &&
"expected worksharing loop directive");
return const_cast<Expr *>(reinterpret_cast<const Expr *>(
*std::next(child_begin(), UpperBoundVariableOffset)));
}
Expr *getStrideVariable() const {
- assert(isOpenMPWorksharingDirective(getDirectiveKind()) &&
+ assert((isOpenMPWorksharingDirective(getDirectiveKind()) ||
+ getDirectiveKind() == OMPD_taskloop) &&
"expected worksharing loop directive");
return const_cast<Expr *>(reinterpret_cast<const Expr *>(
*std::next(child_begin(), StrideVariableOffset)));
}
Expr *getEnsureUpperBound() const {
- assert(isOpenMPWorksharingDirective(getDirectiveKind()) &&
+ assert((isOpenMPWorksharingDirective(getDirectiveKind()) ||
+ getDirectiveKind() == OMPD_taskloop) &&
"expected worksharing loop directive");
return const_cast<Expr *>(reinterpret_cast<const Expr *>(
*std::next(child_begin(), EnsureUpperBoundOffset)));
}
Expr *getNextLowerBound() const {
- assert(isOpenMPWorksharingDirective(getDirectiveKind()) &&
+ assert((isOpenMPWorksharingDirective(getDirectiveKind()) ||
+ getDirectiveKind() == OMPD_taskloop) &&
"expected worksharing loop directive");
return const_cast<Expr *>(reinterpret_cast<const Expr *>(
*std::next(child_begin(), NextLowerBoundOffset)));
}
Expr *getNextUpperBound() const {
- assert(isOpenMPWorksharingDirective(getDirectiveKind()) &&
+ assert((isOpenMPWorksharingDirective(getDirectiveKind()) ||
+ getDirectiveKind() == OMPD_taskloop) &&
"expected worksharing loop directive");
return const_cast<Expr *>(reinterpret_cast<const Expr *>(
*std::next(child_begin(), NextUpperBoundOffset)));
T->getStmtClass() == OMPForDirectiveClass ||
T->getStmtClass() == OMPForSimdDirectiveClass ||
T->getStmtClass() == OMPParallelForDirectiveClass ||
- T->getStmtClass() == OMPParallelForSimdDirectiveClass;
+ T->getStmtClass() == OMPParallelForSimdDirectiveClass ||
+ T->getStmtClass() == OMPTaskLoopDirectiveClass;
}
};
}
};
+/// \brief This represents '#pragma omp taskloop' directive.
+///
+/// \code
+/// #pragma omp taskloop private(a,b) grainsize(val) num_tasks(num)
+/// \endcode
+/// In this example directive '#pragma omp taskloop' has clauses 'private'
+/// with the variables 'a' and 'b', 'grainsize' with expression 'val' and
+/// 'num_tasks' with expression 'num'.
+///
+class OMPTaskLoopDirective : public OMPLoopDirective {
+ friend class ASTStmtReader;
+ /// \brief Build directive with the given start and end location.
+ ///
+ /// \param StartLoc Starting location of the directive kind.
+ /// \param EndLoc Ending location of the directive.
+ /// \param CollapsedNum Number of collapsed nested loops.
+ /// \param NumClauses Number of clauses.
+ ///
+ OMPTaskLoopDirective(SourceLocation StartLoc, SourceLocation EndLoc,
+ unsigned CollapsedNum, unsigned NumClauses)
+ : OMPLoopDirective(this, OMPTaskLoopDirectiveClass, OMPD_taskloop,
+ StartLoc, EndLoc, CollapsedNum, NumClauses) {}
+
+ /// \brief Build an empty directive.
+ ///
+ /// \param CollapsedNum Number of collapsed nested loops.
+ /// \param NumClauses Number of clauses.
+ ///
+ explicit OMPTaskLoopDirective(unsigned CollapsedNum, unsigned NumClauses)
+ : OMPLoopDirective(this, OMPTaskLoopDirectiveClass, OMPD_taskloop,
+ SourceLocation(), SourceLocation(), CollapsedNum,
+ NumClauses) {}
+
+public:
+ /// \brief Creates directive with a list of \a Clauses.
+ ///
+ /// \param C AST context.
+ /// \param StartLoc Starting location of the directive kind.
+ /// \param EndLoc Ending Location of the directive.
+ /// \param CollapsedNum Number of collapsed loops.
+ /// \param Clauses List of clauses.
+ /// \param AssociatedStmt Statement, associated with the directive.
+ /// \param Exprs Helper expressions for CodeGen.
+ ///
+ static OMPTaskLoopDirective *
+ Create(const ASTContext &C, SourceLocation StartLoc, SourceLocation EndLoc,
+ unsigned CollapsedNum, ArrayRef<OMPClause *> Clauses,
+ Stmt *AssociatedStmt, const HelperExprs &Exprs);
+
+ /// \brief Creates an empty directive with the place
+ /// for \a NumClauses clauses.
+ ///
+ /// \param C AST context.
+ /// \param CollapsedNum Number of collapsed nested loops.
+ /// \param NumClauses Number of clauses.
+ ///
+ static OMPTaskLoopDirective *CreateEmpty(const ASTContext &C,
+ unsigned NumClauses,
+ unsigned CollapsedNum, EmptyShell);
+
+ static bool classof(const Stmt *T) {
+ return T->getStmtClass() == OMPTaskLoopDirectiveClass;
+ }
+};
+
} // end namespace clang
#endif
#ifndef OPENMP_ORDERED_CLAUSE
# define OPENMP_ORDERED_CLAUSE(Name)
#endif
+#ifndef OPENMP_TASKLOOP_CLAUSE
+# define OPENMP_TASKLOOP_CLAUSE(Name)
+#endif
#ifndef OPENMP_DEFAULT_KIND
# define OPENMP_DEFAULT_KIND(Name)
#endif
OPENMP_DIRECTIVE_EXT(parallel_sections, "parallel sections")
OPENMP_DIRECTIVE_EXT(for_simd, "for simd")
OPENMP_DIRECTIVE_EXT(cancellation_point, "cancellation point")
+OPENMP_DIRECTIVE(taskloop)
// OpenMP clauses.
OPENMP_CLAUSE(if, OMPIfClause)
OPENMP_MAP_KIND(release)
OPENMP_MAP_KIND(always)
+// Clauses allowed for OpenMP directive 'taskloop'.
+// TODO: add next clauses
+OPENMP_TASKLOOP_CLAUSE(if)
+OPENMP_TASKLOOP_CLAUSE(shared)
+OPENMP_TASKLOOP_CLAUSE(private)
+OPENMP_TASKLOOP_CLAUSE(firstprivate)
+OPENMP_TASKLOOP_CLAUSE(lastprivate)
+OPENMP_TASKLOOP_CLAUSE(default)
+OPENMP_TASKLOOP_CLAUSE(collapse)
+OPENMP_TASKLOOP_CLAUSE(final)
+OPENMP_TASKLOOP_CLAUSE(untied)
+OPENMP_TASKLOOP_CLAUSE(mergeable)
+
+#undef OPENMP_TASKLOOP_CLAUSE
#undef OPENMP_LINEAR_KIND
#undef OPENMP_DEPEND_KIND
#undef OPENMP_SCHEDULE_KIND
def OMPTeamsDirective : DStmt<OMPExecutableDirective>;
def OMPCancellationPointDirective : DStmt<OMPExecutableDirective>;
def OMPCancelDirective : DStmt<OMPExecutableDirective>;
+def OMPTaskLoopDirective : DStmt<OMPLoopDirective>;
+
SourceLocation StartLoc,
SourceLocation EndLoc,
OpenMPDirectiveKind CancelRegion);
+ /// \brief Called on well-formed '\#pragma omp taskloop' after parsing of the
+ /// associated statement.
+ StmtResult ActOnOpenMPTaskLoopDirective(
+ ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc,
+ SourceLocation EndLoc,
+ llvm::DenseMap<VarDecl *, Expr *> &VarsWithImplicitDSA);
OMPClause *ActOnOpenMPSingleExprClause(OpenMPClauseKind Kind,
Expr *Expr,
STMT_OMP_TASKGROUP_DIRECTIVE,
STMT_OMP_CANCELLATION_POINT_DIRECTIVE,
STMT_OMP_CANCEL_DIRECTIVE,
+ STMT_OMP_TASKLOOP_DIRECTIVE,
EXPR_OMP_ARRAY_SECTION,
// ARC
C.Allocate(Size + sizeof(OMPClause *) * NumClauses + sizeof(Stmt *));
return new (Mem) OMPTeamsDirective(NumClauses);
}
+
+OMPTaskLoopDirective *OMPTaskLoopDirective::Create(
+ const ASTContext &C, SourceLocation StartLoc, SourceLocation EndLoc,
+ unsigned CollapsedNum, ArrayRef<OMPClause *> Clauses, Stmt *AssociatedStmt,
+ const HelperExprs &Exprs) {
+ unsigned Size = llvm::RoundUpToAlignment(sizeof(OMPTaskLoopDirective),
+ llvm::alignOf<OMPClause *>());
+ void *Mem =
+ C.Allocate(Size + sizeof(OMPClause *) * Clauses.size() +
+ sizeof(Stmt *) * numLoopChildren(CollapsedNum, OMPD_taskloop));
+ OMPTaskLoopDirective *Dir = new (Mem)
+ OMPTaskLoopDirective(StartLoc, EndLoc, CollapsedNum, Clauses.size());
+ Dir->setClauses(Clauses);
+ Dir->setAssociatedStmt(AssociatedStmt);
+ Dir->setIterationVariable(Exprs.IterationVarRef);
+ Dir->setLastIteration(Exprs.LastIteration);
+ Dir->setCalcLastIteration(Exprs.CalcLastIteration);
+ Dir->setPreCond(Exprs.PreCond);
+ Dir->setCond(Exprs.Cond);
+ Dir->setInit(Exprs.Init);
+ Dir->setInc(Exprs.Inc);
+ Dir->setIsLastIterVariable(Exprs.IL);
+ Dir->setLowerBoundVariable(Exprs.LB);
+ Dir->setUpperBoundVariable(Exprs.UB);
+ Dir->setStrideVariable(Exprs.ST);
+ Dir->setEnsureUpperBound(Exprs.EUB);
+ Dir->setNextLowerBound(Exprs.NLB);
+ Dir->setNextUpperBound(Exprs.NUB);
+ Dir->setCounters(Exprs.Counters);
+ Dir->setPrivateCounters(Exprs.PrivateCounters);
+ Dir->setInits(Exprs.Inits);
+ Dir->setUpdates(Exprs.Updates);
+ Dir->setFinals(Exprs.Finals);
+ return Dir;
+}
+
+OMPTaskLoopDirective *OMPTaskLoopDirective::CreateEmpty(const ASTContext &C,
+ unsigned NumClauses,
+ unsigned CollapsedNum,
+ EmptyShell) {
+ unsigned Size = llvm::RoundUpToAlignment(sizeof(OMPTaskLoopDirective),
+ llvm::alignOf<OMPClause *>());
+ void *Mem =
+ C.Allocate(Size + sizeof(OMPClause *) * NumClauses +
+ sizeof(Stmt *) * numLoopChildren(CollapsedNum, OMPD_taskloop));
+ return new (Mem) OMPTaskLoopDirective(CollapsedNum, NumClauses);
+}
+
<< getOpenMPDirectiveName(Node->getCancelRegion()) << " ";
PrintOMPExecutableDirective(Node);
}
+
+void StmtPrinter::VisitOMPTaskLoopDirective(OMPTaskLoopDirective *Node) {
+ Indent() << "#pragma omp taskloop ";
+ PrintOMPExecutableDirective(Node);
+}
+
//===----------------------------------------------------------------------===//
// Expr printing methods.
//===----------------------------------------------------------------------===//
VisitOMPExecutableDirective(S);
}
+void StmtProfiler::VisitOMPTaskLoopDirective(const OMPTaskLoopDirective *S) {
+ VisitOMPLoopDirective(S);
+}
+
void StmtProfiler::VisitExpr(const Expr *S) {
VisitStmt(S);
}
#define OPENMP_ORDERED_CLAUSE(Name) \
case OMPC_##Name: \
return true;
+#include "clang/Basic/OpenMPKinds.def"
+ default:
+ break;
+ }
+ break;
+ case OMPD_taskloop:
+ switch (CKind) {
+#define OPENMP_TASKLOOP_CLAUSE(Name) \
+ case OMPC_##Name: \
+ return true;
#include "clang/Basic/OpenMPKinds.def"
default:
break;
bool clang::isOpenMPLoopDirective(OpenMPDirectiveKind DKind) {
return DKind == OMPD_simd || DKind == OMPD_for || DKind == OMPD_for_simd ||
- DKind == OMPD_parallel_for ||
- DKind == OMPD_parallel_for_simd; // TODO add next directives.
+ DKind == OMPD_parallel_for || DKind == OMPD_parallel_for_simd ||
+ DKind == OMPD_taskloop; // TODO add next directives.
}
bool clang::isOpenMPWorksharingDirective(OpenMPDirectiveKind DKind) {
case Stmt::OMPTargetDataDirectiveClass:
EmitOMPTargetDataDirective(cast<OMPTargetDataDirective>(*S));
break;
+ case Stmt::OMPTaskLoopDirectiveClass:
+ EmitOMPTaskLoopDirective(cast<OMPTaskLoopDirective>(*S));
+ break;
}
}
// Generate the instructions for '#pragma omp target data' directive.
void CodeGenFunction::EmitOMPTargetDataDirective(
const OMPTargetDataDirective &S) {
-
// emit the code inside the construct for now
auto CS = cast<CapturedStmt>(S.getAssociatedStmt());
CGM.getOpenMPRuntime().emitInlinedDirective(
*this, OMPD_target_data,
[&CS](CodeGenFunction &CGF) { CGF.EmitStmt(CS->getCapturedStmt()); });
}
+
+void CodeGenFunction::EmitOMPTaskLoopDirective(const OMPTaskLoopDirective &S) {
+ // emit the code inside the construct for now
+ auto CS = cast<CapturedStmt>(S.getAssociatedStmt());
+ CGM.getOpenMPRuntime().emitInlinedDirective(
+ *this, OMPD_taskloop,
+ [&CS](CodeGenFunction &CGF) { CGF.EmitStmt(CS->getCapturedStmt()); });
+}
+
void
EmitOMPCancellationPointDirective(const OMPCancellationPointDirective &S);
void EmitOMPCancelDirective(const OMPCancelDirective &S);
+ void EmitOMPTaskLoopDirective(const OMPTaskLoopDirective &S);
/// \brief Emit inner loop of the worksharing/simd construct.
///
case OMPD_cancellation_point:
case OMPD_cancel:
case OMPD_target_data:
+ case OMPD_taskloop:
Diag(Tok, diag::err_omp_unexpected_directive)
<< getOpenMPDirectiveName(DKind);
break;
case OMPD_target:
case OMPD_teams:
case OMPD_taskgroup:
- case OMPD_target_data: {
+ case OMPD_target_data:
+ case OMPD_taskloop: {
ConsumeToken();
// Parse directive name of the 'critical' directive if any.
if (DKind == OMPD_critical) {
};
bool isParallelOrTaskRegion(OpenMPDirectiveKind DKind) {
return isOpenMPParallelDirective(DKind) || DKind == OMPD_task ||
- isOpenMPTeamsDirective(DKind) || DKind == OMPD_unknown;
+ isOpenMPTeamsDirective(DKind) || DKind == OMPD_unknown ||
+ DKind == OMPD_taskloop;
}
} // namespace
Params);
break;
}
+ case OMPD_taskloop: {
+ Sema::CapturedParamNameType Params[] = {
+ std::make_pair(StringRef(), QualType()) // __context with shared vars
+ };
+ ActOnCapturedRegionStart(DSAStack->getConstructLoc(), CurScope, CR_OpenMP,
+ Params);
+ break;
+ }
case OMPD_threadprivate:
case OMPD_taskyield:
case OMPD_barrier:
// | parallel | cancellation | |
// | | point | ! |
// | parallel | cancel | ! |
+ // | parallel | taskloop | * |
// +------------------+-----------------+------------------------------------+
// | for | parallel | * |
// | for | for | + |
// | for | cancellation | |
// | | point | ! |
// | for | cancel | ! |
+ // | for | taskloop | * |
// +------------------+-----------------+------------------------------------+
// | master | parallel | * |
// | master | for | + |
// | master | cancellation | |
// | | point | |
// | master | cancel | |
+ // | master | taskloop | * |
// +------------------+-----------------+------------------------------------+
// | critical | parallel | * |
// | critical | for | + |
// | critical | cancellation | |
// | | point | |
// | critical | cancel | |
+ // | critical | taskloop | * |
// +------------------+-----------------+------------------------------------+
// | simd | parallel | |
// | simd | for | |
// | simd | cancellation | |
// | | point | |
// | simd | cancel | |
+ // | simd | taskloop | |
// +------------------+-----------------+------------------------------------+
// | for simd | parallel | |
// | for simd | for | |
// | for simd | cancellation | |
// | | point | |
// | for simd | cancel | |
+ // | for simd | taskloop | |
// +------------------+-----------------+------------------------------------+
// | parallel for simd| parallel | |
// | parallel for simd| for | |
// | parallel for simd| cancellation | |
// | | point | |
// | parallel for simd| cancel | |
+ // | parallel for simd| taskloop | |
// +------------------+-----------------+------------------------------------+
// | sections | parallel | * |
// | sections | for | + |
// | sections | cancellation | |
// | | point | ! |
// | sections | cancel | ! |
+ // | sections | taskloop | * |
// +------------------+-----------------+------------------------------------+
// | section | parallel | * |
// | section | for | + |
// | section | cancellation | |
// | | point | ! |
// | section | cancel | ! |
+ // | section | taskloop | * |
// +------------------+-----------------+------------------------------------+
// | single | parallel | * |
// | single | for | + |
// | single | cancellation | |
// | | point | |
// | single | cancel | |
+ // | single | taskloop | * |
// +------------------+-----------------+------------------------------------+
// | parallel for | parallel | * |
// | parallel for | for | + |
// | parallel for | cancellation | |
// | | point | ! |
// | parallel for | cancel | ! |
+ // | parallel for | taskloop | * |
// +------------------+-----------------+------------------------------------+
// | parallel sections| parallel | * |
// | parallel sections| for | + |
// | parallel sections| cancellation | |
// | | point | ! |
// | parallel sections| cancel | ! |
+ // | parallel sections| taskloop | * |
// +------------------+-----------------+------------------------------------+
// | task | parallel | * |
// | task | for | + |
// | task | cancellation | |
// | | point | ! |
// | task | cancel | ! |
+ // | task | taskloop | * |
// +------------------+-----------------+------------------------------------+
// | ordered | parallel | * |
// | ordered | for | + |
// | ordered | cancellation | |
// | | point | |
// | ordered | cancel | |
+ // | ordered | taskloop | * |
// +------------------+-----------------+------------------------------------+
// | atomic | parallel | |
// | atomic | for | |
// | atomic | cancellation | |
// | | point | |
// | atomic | cancel | |
+ // | atomic | taskloop | |
// +------------------+-----------------+------------------------------------+
// | target | parallel | * |
// | target | for | * |
// | target | cancellation | |
// | | point | |
// | target | cancel | |
+ // | target | taskloop | * |
// +------------------+-----------------+------------------------------------+
// | teams | parallel | * |
// | teams | for | + |
// | teams | cancellation | |
// | | point | |
// | teams | cancel | |
+ // | teams | taskloop | + |
+ // +------------------+-----------------+------------------------------------+
+ // | taskloop | parallel | * |
+ // | taskloop | for | + |
+ // | taskloop | for simd | + |
+ // | taskloop | master | + |
+ // | taskloop | critical | * |
+ // | taskloop | simd | * |
+ // | taskloop | sections | + |
+ // | taskloop | section | + |
+ // | taskloop | single | + |
+ // | taskloop | parallel for | * |
+ // | taskloop |parallel for simd| * |
+ // | taskloop |parallel sections| * |
+ // | taskloop | task | * |
+ // | taskloop | taskyield | * |
+ // | taskloop | barrier | + |
+ // | taskloop | taskwait | * |
+ // | taskloop | taskgroup | * |
+ // | taskloop | flush | * |
+ // | taskloop | ordered | + |
+ // | taskloop | atomic | * |
+ // | taskloop | target | * |
+ // | taskloop | teams | + |
+ // | taskloop | cancellation | |
+ // | | point | |
+ // | taskloop | cancel | |
+ // | taskloop | taskloop | * |
// +------------------+-----------------+------------------------------------+
if (Stack->getCurScope()) {
auto ParentRegion = Stack->getParentDirective();
// A master region may not be closely nested inside a worksharing,
// atomic, or explicit task region.
NestingProhibited = isOpenMPWorksharingDirective(ParentRegion) ||
- ParentRegion == OMPD_task;
+ ParentRegion == OMPD_task ||
+ ParentRegion == OMPD_taskloop;
} else if (CurrentRegion == OMPD_critical && CurrentName.getName()) {
// OpenMP [2.16, Nesting of Regions]
// A critical region may not be nested (closely or otherwise) inside a
NestingProhibited =
isOpenMPWorksharingDirective(ParentRegion) ||
ParentRegion == OMPD_task || ParentRegion == OMPD_master ||
- ParentRegion == OMPD_critical || ParentRegion == OMPD_ordered;
+ ParentRegion == OMPD_critical || ParentRegion == OMPD_ordered ||
+ ParentRegion == OMPD_taskloop;
} else if (isOpenMPWorksharingDirective(CurrentRegion) &&
!isOpenMPParallelDirective(CurrentRegion)) {
// OpenMP [2.16, Nesting of Regions]
NestingProhibited =
isOpenMPWorksharingDirective(ParentRegion) ||
ParentRegion == OMPD_task || ParentRegion == OMPD_master ||
- ParentRegion == OMPD_critical || ParentRegion == OMPD_ordered;
+ ParentRegion == OMPD_critical || ParentRegion == OMPD_ordered ||
+ ParentRegion == OMPD_taskloop;
Recommend = ShouldBeInParallelRegion;
} else if (CurrentRegion == OMPD_ordered) {
// OpenMP [2.16, Nesting of Regions]
// that can appear in the simd region.
NestingProhibited = ParentRegion == OMPD_critical ||
ParentRegion == OMPD_task ||
+ ParentRegion == OMPD_taskloop ||
!(isOpenMPSimdDirective(ParentRegion) ||
Stack->isParentOrderedRegion());
Recommend = ShouldBeInOrderedRegion;
EndLoc);
AllowedNameModifiers.push_back(OMPD_target_data);
break;
+ case OMPD_taskloop:
+ Res = ActOnOpenMPTaskLoopDirective(ClausesWithImplicit, AStmt, StartLoc,
+ EndLoc, VarsWithInheritedDSA);
+ AllowedNameModifiers.push_back(OMPD_taskloop);
+ break;
case OMPD_threadprivate:
llvm_unreachable("OpenMP Directive is not allowed");
case OMPD_unknown:
: OMPC_private;
if (((isOpenMPSimdDirective(DKind) && DVar.CKind != OMPC_unknown &&
DVar.CKind != OMPC_threadprivate && DVar.CKind != PredeterminedCKind) ||
- (isOpenMPWorksharingDirective(DKind) && !isOpenMPSimdDirective(DKind) &&
- DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_private &&
- DVar.CKind != OMPC_lastprivate && DVar.CKind != OMPC_threadprivate)) &&
+ ((isOpenMPWorksharingDirective(DKind) || DKind == OMPD_taskloop) &&
+ !isOpenMPSimdDirective(DKind) && DVar.CKind != OMPC_unknown &&
+ DVar.CKind != OMPC_private && DVar.CKind != OMPC_lastprivate &&
+ DVar.CKind != OMPC_threadprivate)) &&
((DVar.CKind != OMPC_private && DVar.CKind != OMPC_threadprivate) ||
DVar.RefExpr != nullptr)) {
SemaRef.Diag(Init->getLocStart(), diag::err_omp_loop_var_dsa)
// Build the loop's iteration space representation.
ResultIterSpace.PreCond = ISC.BuildPreCond(DSA.getCurScope(), For->getCond());
ResultIterSpace.NumIterations = ISC.BuildNumIterations(
- DSA.getCurScope(), /* LimitedType */ isOpenMPWorksharingDirective(DKind));
+ DSA.getCurScope(),
+ (isOpenMPWorksharingDirective(DKind) || DKind == OMPD_taskloop));
ResultIterSpace.CounterVar = ISC.BuildCounterVar();
ResultIterSpace.PrivateCounterVar = ISC.BuildPrivateCounterVar();
ResultIterSpace.CounterInit = ISC.BuildCounterInit();
QualType VType = LastIteration.get()->getType();
// Build variables passed into runtime, nesessary for worksharing directives.
ExprResult LB, UB, IL, ST, EUB;
- if (isOpenMPWorksharingDirective(DKind)) {
+ if ((isOpenMPWorksharingDirective(DKind) || DKind == OMPD_taskloop)) {
// Lower bound variable, initialized with zero.
VarDecl *LBDecl = buildVarDecl(SemaRef, InitLoc, VType, ".omp.lb");
LB = buildDeclRefExpr(SemaRef, LBDecl, VType, InitLoc);
{
VarDecl *IVDecl = buildVarDecl(SemaRef, InitLoc, VType, ".omp.iv");
IV = buildDeclRefExpr(SemaRef, IVDecl, VType, InitLoc);
- Expr *RHS = isOpenMPWorksharingDirective(DKind)
+ Expr *RHS = (isOpenMPWorksharingDirective(DKind) || DKind == OMPD_taskloop)
? LB.get()
: SemaRef.ActOnIntegerConstant(SourceLocation(), 0).get();
Init = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, IV.get(), RHS);
// Loop condition (IV < NumIterations) or (IV <= UB) for worksharing loops.
SourceLocation CondLoc;
ExprResult Cond =
- isOpenMPWorksharingDirective(DKind)
+ (isOpenMPWorksharingDirective(DKind) || DKind == OMPD_taskloop)
? SemaRef.BuildBinOp(CurScope, CondLoc, BO_LE, IV.get(), UB.get())
: SemaRef.BuildBinOp(CurScope, CondLoc, BO_LT, IV.get(),
NumIterations.get());
// Increments for worksharing loops (LB = LB + ST; UB = UB + ST).
// Used for directives with static scheduling.
ExprResult NextLB, NextUB;
- if (isOpenMPWorksharingDirective(DKind)) {
+ if (isOpenMPWorksharingDirective(DKind) || DKind == OMPD_taskloop) {
// LB + ST
NextLB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, LB.get(), ST.get());
if (!NextLB.isUsable())
CancelRegion);
}
+StmtResult Sema::ActOnOpenMPTaskLoopDirective(
+ ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc,
+ SourceLocation EndLoc,
+ llvm::DenseMap<VarDecl *, Expr *> &VarsWithImplicitDSA) {
+ if (!AStmt)
+ return StmtError();
+
+ assert(isa<CapturedStmt>(AStmt) && "Captured statement expected");
+ OMPLoopDirective::HelperExprs B;
+ // In presence of clause 'collapse' or 'ordered' with number of loops, it will
+ // define the nested loops number.
+ unsigned NestedLoopCount =
+ CheckOpenMPLoop(OMPD_taskloop, getCollapseNumberExpr(Clauses),
+ getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStack,
+ VarsWithImplicitDSA, B);
+ if (NestedLoopCount == 0)
+ return StmtError();
+
+ assert((CurContext->isDependentContext() || B.builtAll()) &&
+ "omp for loop exprs were not built");
+
+ getCurFunction()->setHasBranchProtectedScope();
+ return OMPTaskLoopDirective::Create(Context, StartLoc, EndLoc,
+ NestedLoopCount, Clauses, AStmt, B);
+}
+
OMPClause *Sema::ActOnOpenMPSingleExprClause(OpenMPClauseKind Kind, Expr *Expr,
SourceLocation StartLoc,
SourceLocation LParenLoc,
return Res;
}
+template <typename Derived>
+StmtResult
+TreeTransform<Derived>::TransformOMPTaskLoopDirective(OMPTaskLoopDirective *D) {
+ DeclarationNameInfo DirName;
+ getDerived().getSema().StartOpenMPDSABlock(OMPD_taskloop, DirName, nullptr,
+ D->getLocStart());
+ StmtResult Res = getDerived().TransformOMPExecutableDirective(D);
+ getDerived().getSema().EndOpenMPDSABlock(Res.get());
+ return Res;
+}
+
//===----------------------------------------------------------------------===//
// OpenMP clause transformation
//===----------------------------------------------------------------------===//
D->setCancelRegion(static_cast<OpenMPDirectiveKind>(Record[Idx++]));
}
+void ASTStmtReader::VisitOMPTaskLoopDirective(OMPTaskLoopDirective *D) {
+ VisitOMPLoopDirective(D);
+}
+
//===----------------------------------------------------------------------===//
// ASTReader Implementation
//===----------------------------------------------------------------------===//
Context, Record[ASTStmtReader::NumStmtFields], Empty);
break;
+ case STMT_OMP_TASKLOOP_DIRECTIVE: {
+ unsigned NumClauses = Record[ASTStmtReader::NumStmtFields];
+ unsigned CollapsedNum = Record[ASTStmtReader::NumStmtFields + 1];
+ S = OMPTaskLoopDirective::CreateEmpty(Context, NumClauses, CollapsedNum,
+ Empty);
+ break;
+ }
+
case EXPR_CXX_OPERATOR_CALL:
S = new (Context) CXXOperatorCallExpr(Context, Empty);
break;
Code = serialization::STMT_OMP_CANCEL_DIRECTIVE;
}
+void ASTStmtWriter::VisitOMPTaskLoopDirective(OMPTaskLoopDirective *D) {
+ VisitOMPLoopDirective(D);
+ Code = serialization::STMT_OMP_TASKLOOP_DIRECTIVE;
+}
+
//===----------------------------------------------------------------------===//
// ASTWriter Implementation
//===----------------------------------------------------------------------===//
case Stmt::OMPTeamsDirectiveClass:
case Stmt::OMPCancellationPointDirectiveClass:
case Stmt::OMPCancelDirectiveClass:
+ case Stmt::OMPTaskLoopDirectiveClass:
llvm_unreachable("Stmt should not be in analyzer evaluation loop");
case Stmt::ObjCSubscriptRefExprClass:
#pragma omp teams // expected-error {{region cannot be closely nested inside 'parallel' region; perhaps you forget to enclose 'omp teams' directive into a target region?}}
++a;
}
+#pragma omp parallel
+ {
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
// SIMD DIRECTIVE
#pragma omp simd
#pragma omp teams // expected-error {{OpenMP constructs may not be nested inside a simd region}}
++a;
}
+#pragma omp simd
+ for (int i = 0; i < 10; ++i) {
+#pragma omp taskloop // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
// FOR DIRECTIVE
#pragma omp for
#pragma omp teams // expected-error {{region cannot be closely nested inside 'for' region; perhaps you forget to enclose 'omp teams' directive into a target region?}}
++a;
}
+#pragma omp for
+ for (int i = 0; i < 10; ++i) {
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
// FOR SIMD DIRECTIVE
#pragma omp for simd
#pragma omp teams // expected-error {{OpenMP constructs may not be nested inside a simd region}}
++a;
}
+#pragma omp for simd
+ for (int i = 0; i < 10; ++i) {
+#pragma omp taskloop // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
// SECTIONS DIRECTIVE
#pragma omp sections
#pragma omp teams // expected-error {{region cannot be closely nested inside 'sections' region; perhaps you forget to enclose 'omp teams' directive into a target region?}}
++a;
}
+#pragma omp sections
+ {
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
// SECTION DIRECTIVE
#pragma omp section // expected-error {{orphaned 'omp section' directives are prohibited, it must be closely nested to a sections region}}
#pragma omp teams // expected-error {{region cannot be closely nested inside 'section' region; perhaps you forget to enclose 'omp teams' directive into a target region?}}
++a;
}
+#pragma omp sections
+ {
+#pragma omp section
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
// SINGLE DIRECTIVE
#pragma omp single
#pragma omp teams // expected-error {{region cannot be closely nested inside 'single' region; perhaps you forget to enclose 'omp teams' directive into a target region?}}
++a;
}
+#pragma omp single
+ {
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
// MASTER DIRECTIVE
#pragma omp master
#pragma omp teams // expected-error {{region cannot be closely nested inside 'master' region; perhaps you forget to enclose 'omp teams' directive into a target region?}}
++a;
}
+#pragma omp master
+ {
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
// CRITICAL DIRECTIVE
#pragma omp critical
#pragma omp teams // expected-error {{region cannot be closely nested inside 'critical' region; perhaps you forget to enclose 'omp teams' directive into a target region?}}
++a;
}
+#pragma omp critical
+ {
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
// PARALLEL FOR DIRECTIVE
#pragma omp parallel for
#pragma omp teams // expected-error {{region cannot be closely nested inside 'parallel for' region; perhaps you forget to enclose 'omp teams' directive into a target region?}}
++a;
}
+#pragma omp parallel for
+ for (int i = 0; i < 10; ++i) {
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
// PARALLEL FOR SIMD DIRECTIVE
#pragma omp parallel for simd
#pragma omp teams // expected-error {{OpenMP constructs may not be nested inside a simd region}}
++a;
}
+#pragma omp parallel for simd
+ for (int i = 0; i < 10; ++i) {
+#pragma omp taskloop // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
// PARALLEL SECTIONS DIRECTIVE
#pragma omp parallel sections
#pragma omp teams // expected-error {{region cannot be closely nested inside 'parallel sections' region; perhaps you forget to enclose 'omp teams' directive into a target region?}}
++a;
}
+#pragma omp parallel sections
+ {
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
// TASK DIRECTIVE
#pragma omp task
#pragma omp teams // expected-error {{region cannot be closely nested inside 'task' region; perhaps you forget to enclose 'omp teams' directive into a target region?}}
++a;
}
+#pragma omp task
+ {
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
// ORDERED DIRECTIVE
#pragma omp ordered
#pragma omp teams // expected-error {{region cannot be closely nested inside 'ordered' region; perhaps you forget to enclose 'omp teams' directive into a target region?}}
++a;
}
+#pragma omp ordered
+ {
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
// ATOMIC DIRECTIVE
#pragma omp atomic
#pragma omp teams // expected-error {{OpenMP constructs may not be nested inside an atomic region}}
++a;
}
+#pragma omp atomic
+ // expected-error@+2 {{the statement for 'atomic' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
+ // expected-note@+1 {{expected an expression statement}}
+ {
+#pragma omp taskloop // expected-error {{OpenMP constructs may not be nested inside an atomic region}}
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
// TARGET DIRECTIVE
#pragma omp target
#pragma omp teams // expected-note {{nested teams construct here}}
++a;
}
+#pragma omp target
+ {
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
// TEAMS DIRECTIVE
#pragma omp target
#pragma omp teams // expected-error {{region cannot be closely nested inside 'teams' region; perhaps you forget to enclose 'omp teams' directive into a target region?}}
++a;
}
+#pragma omp target
+#pragma omp teams
+ {
+#pragma omp taskloop // expected-error {{region cannot be closely nested inside 'teams' region; perhaps you forget to enclose 'omp taskloop' directive into a parallel region?}}
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
+
+// TASKLOOP DIRECTIVE
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp for // expected-error {{region cannot be closely nested inside 'taskloop' region; perhaps you forget to enclose 'omp for' directive into a parallel region?}}
+ for (int i = 0; i < 10; ++i)
+ ;
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp simd
+ for (int i = 0; i < 10; ++i)
+ ;
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp for simd // expected-error {{region cannot be closely nested inside 'taskloop' region; perhaps you forget to enclose 'omp for simd' directive into a parallel region?}}
+ for (int i = 0; i < 10; ++i)
+ ;
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp parallel
+ for (int i = 0; i < 10; ++i)
+ ;
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp sections // expected-error {{region cannot be closely nested inside 'taskloop' region; perhaps you forget to enclose 'omp sections' directive into a parallel region?}}
+ {
+ bar();
+ }
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp section // expected-error {{'omp section' directive must be closely nested to a sections region, not a taskloop region}}
+ {
+ bar();
+ }
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp single // expected-error {{region cannot be closely nested inside 'taskloop' region; perhaps you forget to enclose 'omp single' directive into a parallel region?}}
+ {
+ bar();
+ }
+ }
+
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp master // expected-error {{region cannot be closely nested inside 'taskloop' region}}
+ {
+ bar();
+ }
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp critical
+ {
+ bar();
+ }
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp parallel
+ {
+#pragma omp single // OK
+ {
+ bar();
+ }
+#pragma omp for // OK
+ for (int i = 0; i < 10; ++i)
+ ;
+#pragma omp sections // OK
+ {
+ bar();
+ }
+ }
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp parallel for
+ for (int i = 0; i < 10; ++i)
+ ;
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp parallel for simd
+ for (int i = 0; i < 10; ++i)
+ ;
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp parallel sections
+ {
+ bar();
+ }
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp task
+ {
+ bar();
+ }
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp taskyield
+ bar();
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp barrier // expected-error {{region cannot be closely nested inside 'taskloop' region}}
+ bar();
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp taskwait
+ bar();
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp flush
+ bar();
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp ordered // expected-error {{region cannot be closely nested inside 'taskloop' region; perhaps you forget to enclose 'omp ordered' directive into a for or a parallel for region with 'ordered' clause?}}
+ bar();
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp atomic
+ ++a;
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp target
+ ++a;
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp teams // expected-error {{region cannot be closely nested inside 'taskloop' region; perhaps you forget to enclose 'omp teams' directive into a target region?}}
+ ++a;
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
}
void foo() {
#pragma omp teams // expected-error {{region cannot be closely nested inside 'parallel' region; perhaps you forget to enclose 'omp teams' directive into a target region?}}
++a;
}
+#pragma omp parallel
+ {
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
// SIMD DIRECTIVE
#pragma omp simd
#pragma omp teams // expected-error {{OpenMP constructs may not be nested inside a simd region}}
++a;
}
+#pragma omp simd
+ for (int i = 0; i < 10; ++i) {
+#pragma omp taskloop // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
// FOR DIRECTIVE
#pragma omp for
#pragma omp teams // expected-error {{region cannot be closely nested inside 'for' region; perhaps you forget to enclose 'omp teams' directive into a target region?}}
++a;
}
+#pragma omp for
+ for (int i = 0; i < 10; ++i) {
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
// FOR SIMD DIRECTIVE
#pragma omp for simd
#pragma omp teams // expected-error {{OpenMP constructs may not be nested inside a simd region}}
++a;
}
+#pragma omp for simd
+ for (int i = 0; i < 10; ++i) {
+#pragma omp taskloop // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
// SECTIONS DIRECTIVE
#pragma omp sections
#pragma omp teams // expected-error {{region cannot be closely nested inside 'sections' region; perhaps you forget to enclose 'omp teams' directive into a target region?}}
++a;
}
+#pragma omp sections
+ {
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
// SECTION DIRECTIVE
#pragma omp section // expected-error {{orphaned 'omp section' directives are prohibited, it must be closely nested to a sections region}}
++a;
}
}
+#pragma omp sections
+ {
+#pragma omp section
+ {
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
+ }
// SINGLE DIRECTIVE
#pragma omp single
#pragma omp teams // expected-error {{region cannot be closely nested inside 'single' region; perhaps you forget to enclose 'omp teams' directive into a target region?}}
++a;
}
+#pragma omp single
+ {
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
// MASTER DIRECTIVE
#pragma omp master
#pragma omp teams // expected-error {{region cannot be closely nested inside 'master' region; perhaps you forget to enclose 'omp teams' directive into a target region?}}
++a;
}
+#pragma omp master
+ {
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
// CRITICAL DIRECTIVE
#pragma omp critical
#pragma omp teams // expected-error {{region cannot be closely nested inside 'critical' region; perhaps you forget to enclose 'omp teams' directive into a target region?}}
++a;
}
+#pragma omp critical
+ {
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
// PARALLEL FOR DIRECTIVE
#pragma omp parallel for
#pragma omp teams // expected-error {{region cannot be closely nested inside 'parallel for' region; perhaps you forget to enclose 'omp teams' directive into a target region?}}
++a;
}
+#pragma omp parallel for
+ for (int i = 0; i < 10; ++i) {
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
// PARALLEL FOR SIMD DIRECTIVE
#pragma omp parallel for simd
#pragma omp teams // expected-error {{OpenMP constructs may not be nested inside a simd region}}
++a;
}
+#pragma omp parallel for simd
+ for (int i = 0; i < 10; ++i) {
+#pragma omp taskloop // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
// PARALLEL SECTIONS DIRECTIVE
#pragma omp parallel sections
#pragma omp teams // expected-error {{region cannot be closely nested inside 'parallel sections' region; perhaps you forget to enclose 'omp teams' directive into a target region?}}
++a;
}
+#pragma omp parallel sections
+ {
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
// TASK DIRECTIVE
#pragma omp task
#pragma omp teams // expected-error {{region cannot be closely nested inside 'task' region; perhaps you forget to enclose 'omp teams' directive into a target region?}}
++a;
}
+#pragma omp task
+ {
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
// ATOMIC DIRECTIVE
#pragma omp atomic
#pragma omp teams // expected-error {{OpenMP constructs may not be nested inside an atomic region}}
++a;
}
+#pragma omp atomic
+ // expected-error@+2 {{the statement for 'atomic' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
+ // expected-note@+1 {{expected an expression statement}}
+ {
+#pragma omp taskloop // expected-error {{OpenMP constructs may not be nested inside an atomic region}}
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
// TARGET DIRECTIVE
#pragma omp target
#pragma omp teams // expected-note {{nested teams construct here}}
++a;
}
+#pragma omp target
+ {
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
// TEAMS DIRECTIVE
#pragma omp target
#pragma omp teams // expected-error {{region cannot be closely nested inside 'teams' region; perhaps you forget to enclose 'omp teams' directive into a target region?}}
++a;
}
+#pragma omp target
+#pragma omp teams
+ {
+#pragma omp taskloop // expected-error {{region cannot be closely nested inside 'teams' region; perhaps you forget to enclose 'omp taskloop' directive into a parallel region?}}
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
+
+// TASKLOOP DIRECTIVE
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp for // expected-error {{region cannot be closely nested inside 'taskloop' region; perhaps you forget to enclose 'omp for' directive into a parallel region?}}
+ for (int i = 0; i < 10; ++i)
+ ;
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp simd
+ for (int i = 0; i < 10; ++i)
+ ;
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp for simd // expected-error {{region cannot be closely nested inside 'taskloop' region; perhaps you forget to enclose 'omp for simd' directive into a parallel region?}}
+ for (int i = 0; i < 10; ++i)
+ ;
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp parallel
+ for (int i = 0; i < 10; ++i)
+ ;
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp sections // expected-error {{region cannot be closely nested inside 'taskloop' region; perhaps you forget to enclose 'omp sections' directive into a parallel region?}}
+ {
+ bar();
+ }
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp section // expected-error {{'omp section' directive must be closely nested to a sections region, not a taskloop region}}
+ {
+ bar();
+ }
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp single // expected-error {{region cannot be closely nested inside 'taskloop' region; perhaps you forget to enclose 'omp single' directive into a parallel region?}}
+ {
+ bar();
+ }
+ }
+
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp master // expected-error {{region cannot be closely nested inside 'taskloop' region}}
+ {
+ bar();
+ }
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp critical
+ {
+ bar();
+ }
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp parallel
+ {
+#pragma omp single // OK
+ {
+ bar();
+ }
+#pragma omp for // OK
+ for (int i = 0; i < 10; ++i)
+ ;
+#pragma omp sections // OK
+ {
+ bar();
+ }
+ }
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp parallel for
+ for (int i = 0; i < 10; ++i)
+ ;
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp parallel for simd
+ for (int i = 0; i < 10; ++i)
+ ;
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp parallel sections
+ {
+ bar();
+ }
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp task
+ {
+ bar();
+ }
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp taskyield
+ bar();
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp barrier // expected-error {{region cannot be closely nested inside 'taskloop' region}}
+ bar();
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp taskwait
+ bar();
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp flush
+ bar();
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp ordered // expected-error {{region cannot be closely nested inside 'taskloop' region; perhaps you forget to enclose 'omp ordered' directive into a for or a parallel for region with 'ordered' clause?}}
+ bar();
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp atomic
+ ++a;
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp target
+ ++a;
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp teams // expected-error {{region cannot be closely nested inside 'taskloop' region; perhaps you forget to enclose 'omp teams' directive into a target region?}}
+ ++a;
+ }
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
return foo<int>();
}
--- /dev/null
+// RUN: %clang_cc1 -verify -fopenmp -ast-print %s | FileCheck %s
+// RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -emit-pch -o %t %s
+// RUN: %clang_cc1 -fopenmp -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s
+// expected-no-diagnostics
+
+#ifndef HEADER
+#define HEADER
+
+void foo() {}
+
+template <class T, int N>
+T tmain(T argc) {
+ T b = argc, c, d, e, f, g;
+ static T a;
+// CHECK: static T a;
+#pragma omp taskloop if(taskloop: argc > N) default(shared) untied
+ // CHECK-NEXT: #pragma omp taskloop if(taskloop: argc > N) default(shared) untied
+ for (int i = 0; i < 2; ++i)
+ a = 2;
+// CHECK-NEXT: for (int i = 0; i < 2; ++i)
+// CHECK-NEXT: a = 2;
+#pragma omp parallel
+#pragma omp taskloop private(argc, b), firstprivate(c, d), lastprivate(d, f) collapse(N) shared(g) if (c) final(d) mergeable
+ for (int i = 0; i < 2; ++i)
+ for (int j = 0; j < 2; ++j)
+ for (int j = 0; j < 2; ++j)
+ for (int j = 0; j < 2; ++j)
+ for (int j = 0; j < 2; ++j)
+ for (int i = 0; i < 2; ++i)
+ for (int j = 0; j < 2; ++j)
+ for (int j = 0; j < 2; ++j)
+ for (int j = 0; j < 2; ++j)
+ for (int j = 0; j < 2; ++j)
+ foo();
+ // CHECK-NEXT: #pragma omp parallel
+ // CHECK-NEXT: #pragma omp taskloop private(argc,b) firstprivate(c,d) lastprivate(d,f) collapse(N) shared(g) if(c) final(d) mergeable
+ // CHECK-NEXT: for (int i = 0; i < 2; ++i)
+ // CHECK-NEXT: for (int j = 0; j < 2; ++j)
+ // CHECK-NEXT: for (int j = 0; j < 2; ++j)
+ // CHECK-NEXT: for (int j = 0; j < 2; ++j)
+ // CHECK-NEXT: for (int j = 0; j < 2; ++j)
+ // CHECK-NEXT: for (int i = 0; i < 2; ++i)
+ // CHECK-NEXT: for (int j = 0; j < 2; ++j)
+ // CHECK-NEXT: for (int j = 0; j < 2; ++j)
+ // CHECK-NEXT: for (int j = 0; j < 2; ++j)
+ // CHECK-NEXT: for (int j = 0; j < 2; ++j)
+ // CHECK-NEXT: foo();
+ return T();
+}
+
+int main(int argc, char **argv) {
+ int b = argc, c, d, e, f, g;
+ static int a;
+// CHECK: static int a;
+#pragma omp taskloop if(taskloop: a) default(none) shared(a) final(b)
+ // CHECK-NEXT: #pragma omp taskloop if(taskloop: a) default(none) shared(a) final(b)
+ for (int i = 0; i < 2; ++i)
+ a = 2;
+// CHECK-NEXT: for (int i = 0; i < 2; ++i)
+// CHECK-NEXT: a = 2;
+#pragma omp parallel
+#pragma omp taskloop private(argc, b), firstprivate(argv, c), lastprivate(d, f) collapse(2) shared(g) if(argc) mergeable
+ for (int i = 0; i < 10; ++i)
+ for (int j = 0; j < 10; ++j)
+ foo();
+ // CHECK-NEXT: #pragma omp parallel
+ // CHECK-NEXT: #pragma omp taskloop private(argc,b) firstprivate(argv,c) lastprivate(d,f) collapse(2) shared(g) if(argc) mergeable
+ // CHECK-NEXT: for (int i = 0; i < 10; ++i)
+ // CHECK-NEXT: for (int j = 0; j < 10; ++j)
+ // CHECK-NEXT: foo();
+ return (tmain<int, 5>(argc) + tmain<char, 1>(argv[0][0]));
+}
+
+#endif
--- /dev/null
+// RUN: %clang_cc1 -verify -fopenmp %s
+
+void foo() {
+}
+
+bool foobool(int argc) {
+ return argc;
+}
+
+struct S1; // expected-note {{declared here}}
+
+template <class T, typename S, int N, int ST> // expected-note {{declared here}}
+T tmain(T argc, S **argv) { //expected-note 2 {{declared here}}
+ #pragma omp taskloop collapse // expected-error {{expected '(' after 'collapse'}}
+ for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
+ #pragma omp taskloop collapse ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
+ #pragma omp taskloop collapse () // expected-error {{expected expression}}
+ for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
+ // expected-error@+3 {{expected ')'}} expected-note@+3 {{to match this '('}}
+ // expected-error@+2 2 {{expression is not an integral constant expression}}
+ // expected-note@+1 2 {{read of non-const variable 'argc' is not allowed in a constant expression}}
+ #pragma omp taskloop collapse (argc
+ for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
+ // expected-error@+1 2 {{argument to 'collapse' clause must be a positive integer value}}
+ #pragma omp taskloop collapse (ST // expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
+ #pragma omp taskloop collapse (1)) // expected-warning {{extra tokens at the end of '#pragma omp taskloop' are ignored}}
+ for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
+ #pragma omp taskloop collapse ((ST > 0) ? 1 + ST : 2) // expected-note 2 {{as specified in 'collapse' clause}}
+ for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST]; // expected-error 2 {{expected 2 for loops after '#pragma omp taskloop', but found only 1}}
+ // expected-error@+3 2 {{directive '#pragma omp taskloop' cannot contain more than one 'collapse' clause}}
+ // expected-error@+2 2 {{argument to 'collapse' clause must be a positive integer value}}
+ // expected-error@+1 2 {{expression is not an integral constant expression}}
+ #pragma omp taskloop collapse (foobool(argc)), collapse (true), collapse (-5)
+ for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
+ #pragma omp taskloop collapse (S) // expected-error {{'S' does not refer to a value}}
+ for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
+ // expected-error@+1 2 {{expression is not an integral constant expression}}
+ #pragma omp taskloop collapse (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
+ #pragma omp taskloop collapse (1)
+ for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
+ #pragma omp taskloop collapse (N) // expected-error {{argument to 'collapse' clause must be a positive integer value}}
+ for (T i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
+ #pragma omp taskloop collapse (2) // expected-note {{as specified in 'collapse' clause}}
+ foo(); // expected-error {{expected 2 for loops after '#pragma omp taskloop'}}
+ return argc;
+}
+
+int main(int argc, char **argv) {
+ #pragma omp taskloop collapse // expected-error {{expected '(' after 'collapse'}}
+ for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
+ #pragma omp taskloop collapse ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
+ #pragma omp taskloop collapse () // expected-error {{expected expression}}
+ for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
+ #pragma omp taskloop collapse (4 // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-note {{as specified in 'collapse' clause}}
+ for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4]; // expected-error {{expected 4 for loops after '#pragma omp taskloop', but found only 1}}
+ #pragma omp taskloop collapse (2+2)) // expected-warning {{extra tokens at the end of '#pragma omp taskloop' are ignored}} expected-note {{as specified in 'collapse' clause}}
+ for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4]; // expected-error {{expected 4 for loops after '#pragma omp taskloop', but found only 1}}
+ #pragma omp taskloop collapse (foobool(1) > 0 ? 1 : 2) // expected-error {{expression is not an integral constant expression}}
+ for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
+ // expected-error@+3 {{expression is not an integral constant expression}}
+ // expected-error@+2 2 {{directive '#pragma omp taskloop' cannot contain more than one 'collapse' clause}}
+ // expected-error@+1 2 {{argument to 'collapse' clause must be a positive integer value}}
+ #pragma omp taskloop collapse (foobool(argc)), collapse (true), collapse (-5)
+ for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
+ #pragma omp taskloop collapse (S1) // expected-error {{'S1' does not refer to a value}}
+ for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
+ // expected-error@+1 {{expression is not an integral constant expression}}
+ #pragma omp taskloop collapse (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
+ // expected-error@+3 {{statement after '#pragma omp taskloop' must be a for loop}}
+ // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}}
+ #pragma omp taskloop collapse(collapse(tmain<int, char, -1, -2>(argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
+ foo();
+ #pragma omp taskloop collapse (2) // expected-note {{as specified in 'collapse' clause}}
+ foo(); // expected-error {{expected 2 for loops after '#pragma omp taskloop'}}
+ // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, 1, 0>' requested here}}
+ return tmain<int, char, 1, 0>(argc, argv);
+}
+
--- /dev/null
+// RUN: %clang_cc1 -verify -fopenmp %s
+
+void foo() {
+}
+
+bool foobool(int argc) {
+ return argc;
+}
+
+struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
+extern S1 a;
+class S2 {
+ mutable int a;
+
+public:
+ S2() : a(0) {}
+ S2(const S2 &s2) : a(s2.a) {}
+ static float S2s;
+ static const float S2sc;
+};
+const float S2::S2sc = 0;
+const S2 b;
+const S2 ba[5];
+class S3 {
+ int a;
+ S3 &operator=(const S3 &s3);
+
+public:
+ S3() : a(0) {} // expected-note 2 {{candidate constructor not viable: requires 0 arguments, but 1 was provided}}
+ S3(S3 &s3) : a(s3.a) {} // expected-note 2 {{candidate constructor not viable: 1st argument ('const S3') would lose const qualifier}}
+};
+const S3 c;
+const S3 ca[5];
+extern const int f;
+class S4 {
+ int a;
+ S4();
+ S4(const S4 &s4); // expected-note 2 {{implicitly declared private here}}
+
+public:
+ S4(int v) : a(v) {}
+};
+class S5 {
+ int a;
+ S5(const S5 &s5) : a(s5.a) {} // expected-note 4 {{implicitly declared private here}}
+
+public:
+ S5() : a(0) {}
+ S5(int v) : a(v) {}
+};
+class S6 {
+ int a;
+ S6() : a(0) {}
+
+public:
+ S6(const S6 &s6) : a(s6.a) {}
+ S6(int v) : a(v) {}
+};
+
+S3 h;
+#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
+
+template <class I, class C>
+int foomain(int argc, char **argv) {
+ I e(4);
+ C g(5);
+ int i;
+ int &j = i;
+#pragma omp parallel
+#pragma omp taskloop firstprivate // expected-error {{expected '(' after 'firstprivate'}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp parallel
+#pragma omp taskloop firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp parallel
+#pragma omp taskloop firstprivate() // expected-error {{expected expression}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp parallel
+#pragma omp taskloop firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp parallel
+#pragma omp taskloop firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp parallel
+#pragma omp taskloop firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp parallel
+#pragma omp taskloop firstprivate(argc)
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp parallel
+#pragma omp taskloop firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp parallel
+#pragma omp taskloop firstprivate(a, b) // expected-error {{firstprivate variable with incomplete type 'S1'}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp parallel
+#pragma omp taskloop firstprivate(argv[1]) // expected-error {{expected variable name}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp parallel
+#pragma omp taskloop firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp parallel
+#pragma omp taskloop firstprivate(h) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp parallel
+ {
+ int v = 0;
+ int i;
+#pragma omp taskloop firstprivate(i)
+ for (int k = 0; k < argc; ++k) {
+ i = k;
+ v += i;
+ }
+ }
+#pragma omp parallel shared(i)
+#pragma omp parallel private(i)
+#pragma omp taskloop firstprivate(j)
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp parallel
+#pragma omp taskloop firstprivate(i)
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp parallel
+#pragma omp taskloop lastprivate(g) firstprivate(g) // expected-error {{calling a private constructor of class 'S5'}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel private(i)
+#pragma omp taskloop firstprivate(i) // expected-note {{defined as firstprivate}}
+ for (i = 0; i < argc; ++i) // expected-error {{loop iteration variable in the associated loop of 'omp taskloop' directive may not be firstprivate, predetermined as private}}
+ foo();
+#pragma omp parallel reduction(+ : i)
+#pragma omp taskloop firstprivate(i) // expected-note {{defined as firstprivate}}
+ for (i = 0; i < argc; ++i) // expected-error {{loop iteration variable in the associated loop of 'omp taskloop' directive may not be firstprivate, predetermined as private}}
+ foo();
+ return 0;
+}
+
+void bar(S4 a[2]) {
+#pragma omp parallel
+#pragma omp taskloop firstprivate(a)
+ for (int i = 0; i < 2; ++i)
+ foo();
+}
+
+namespace A {
+double x;
+#pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
+}
+namespace B {
+using A::x;
+}
+
+int main(int argc, char **argv) {
+ const int d = 5;
+ const int da[5] = {0};
+ S4 e(4);
+ S5 g(5);
+ S3 m;
+ S6 n(2);
+ int i;
+ int &j = i;
+#pragma omp parallel
+#pragma omp taskloop firstprivate // expected-error {{expected '(' after 'firstprivate'}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop firstprivate() // expected-error {{expected expression}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop firstprivate(argc)
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop firstprivate(a, b, c, d, f) // expected-error {{firstprivate variable with incomplete type 'S1'}} expected-error {{no matching constructor for initialization of 'S3'}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop firstprivate(argv[1]) // expected-error {{expected variable name}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop firstprivate(2 * 2) // expected-error {{expected variable name}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop firstprivate(ba) // OK
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop firstprivate(ca) // expected-error {{no matching constructor for initialization of 'S3'}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop firstprivate(da) // OK
+ for (i = 0; i < argc; ++i)
+ foo();
+ int xa;
+#pragma omp parallel
+#pragma omp taskloop firstprivate(xa) // OK
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop firstprivate(S2::S2s) // OK
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop firstprivate(S2::S2sc) // OK
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop safelen(5) // expected-error {{unexpected OpenMP clause 'safelen' in directive '#pragma omp taskloop'}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop firstprivate(m) // OK
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop firstprivate(h) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop private(xa), firstprivate(xa) // expected-error {{private variable cannot be firstprivate}} expected-note {{defined as private}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop firstprivate(i) // expected-note {{defined as firstprivate}}
+ for (i = 0; i < argc; ++i) // expected-error {{loop iteration variable in the associated loop of 'omp taskloop' directive may not be firstprivate, predetermined as private}}
+ foo();
+#pragma omp parallel shared(xa)
+#pragma omp taskloop firstprivate(xa) // OK: may be firstprivate
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop firstprivate(j)
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop lastprivate(g) firstprivate(g) // expected-error {{calling a private constructor of class 'S5'}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop lastprivate(n) firstprivate(n) // OK
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+ {
+ int v = 0;
+ int i;
+#pragma omp taskloop firstprivate(i)
+ for (int k = 0; k < argc; ++k) {
+ i = k;
+ v += i;
+ }
+ }
+#pragma omp parallel private(i)
+#pragma omp taskloop firstprivate(i) // expected-note {{defined as firstprivate}}
+ for (i = 0; i < argc; ++i) // expected-error {{loop iteration variable in the associated loop of 'omp taskloop' directive may not be firstprivate, predetermined as private}}
+ foo();
+#pragma omp parallel reduction(+ : i)
+#pragma omp taskloop firstprivate(i) // expected-note {{defined as firstprivate}}
+ for (i = 0; i < argc; ++i) // expected-error {{loop iteration variable in the associated loop of 'omp taskloop' directive may not be firstprivate, predetermined as private}}
+ foo();
+#pragma omp parallel
+#pragma omp taskloop firstprivate(B::x) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
+ for (i = 0; i < argc; ++i)
+ foo();
+ static int si;
+#pragma omp taskloop firstprivate(si) // OK
+ for (i = 0; i < argc; ++i)
+ si = i + 1;
+
+ return foomain<S4, S5>(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<S4, S5>' requested here}}
+}
+
--- /dev/null
+// RUN: %clang_cc1 -verify -fopenmp %s
+
+void foo() {
+}
+
+bool foobool(int argc) {
+ return argc;
+}
+
+struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
+extern S1 a;
+class S2 {
+ mutable int a;
+
+public:
+ S2() : a(0) {}
+ S2(S2 &s2) : a(s2.a) {}
+ const S2 &operator =(const S2&) const;
+ S2 &operator =(const S2&);
+ static float S2s;
+ static const float S2sc;
+};
+const float S2::S2sc = 0; // expected-note {{static data member is predetermined as shared}}
+const S2 b;
+const S2 ba[5];
+class S3 {
+ int a;
+ S3 &operator=(const S3 &s3); // expected-note 2 {{implicitly declared private here}}
+
+public:
+ S3() : a(0) {}
+ S3(S3 &s3) : a(s3.a) {}
+};
+const S3 c; // expected-note {{global variable is predetermined as shared}}
+const S3 ca[5]; // expected-note {{global variable is predetermined as shared}}
+extern const int f; // expected-note {{global variable is predetermined as shared}}
+class S4 {
+ int a;
+ S4(); // expected-note 3 {{implicitly declared private here}}
+ S4(const S4 &s4);
+
+public:
+ S4(int v) : a(v) {}
+};
+class S5 {
+ int a;
+ S5() : a(0) {} // expected-note {{implicitly declared private here}}
+
+public:
+ S5(const S5 &s5) : a(s5.a) {}
+ S5(int v) : a(v) {}
+};
+class S6 {
+ int a;
+ S6() : a(0) {}
+
+public:
+ S6(const S6 &s6) : a(s6.a) {}
+ S6(int v) : a(v) {}
+};
+
+S3 h;
+#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
+
+template <class I, class C>
+int foomain(int argc, char **argv) {
+ I e(4);
+ I g(5);
+ int i;
+ int &j = i;
+#pragma omp parallel
+#pragma omp taskloop lastprivate // expected-error {{expected '(' after 'lastprivate'}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp parallel
+#pragma omp taskloop lastprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp parallel
+#pragma omp taskloop lastprivate() // expected-error {{expected expression}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp parallel
+#pragma omp taskloop lastprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp parallel
+#pragma omp taskloop lastprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp parallel
+#pragma omp taskloop lastprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp parallel
+#pragma omp taskloop lastprivate(argc)
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp parallel
+#pragma omp taskloop lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp parallel
+#pragma omp taskloop lastprivate(a, b) // expected-error {{lastprivate variable with incomplete type 'S1'}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp parallel
+#pragma omp taskloop lastprivate(argv[1]) // expected-error {{expected variable name}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp parallel
+#pragma omp taskloop lastprivate(e, g) // expected-error 2 {{calling a private constructor of class 'S4'}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp parallel
+#pragma omp taskloop lastprivate(h) // expected-error {{threadprivate or thread local variable cannot be lastprivate}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp parallel
+ {
+ int v = 0;
+ int i;
+#pragma omp taskloop lastprivate(i)
+ for (int k = 0; k < argc; ++k) {
+ i = k;
+ v += i;
+ }
+ }
+#pragma omp parallel shared(i)
+#pragma omp parallel private(i)
+#pragma omp taskloop lastprivate(j)
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp parallel
+#pragma omp taskloop lastprivate(i)
+ for (int k = 0; k < argc; ++k)
+ ++k;
+ return 0;
+}
+
+void bar(S4 a[2]) {
+#pragma omp parallel
+#pragma omp taskloop lastprivate(a)
+ for (int i = 0; i < 2; ++i)
+ foo();
+}
+
+namespace A {
+double x;
+#pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
+}
+namespace B {
+using A::x;
+}
+
+int main(int argc, char **argv) {
+ const int d = 5; // expected-note {{constant variable is predetermined as shared}}
+ const int da[5] = {0}; // expected-note {{constant variable is predetermined as shared}}
+ S4 e(4);
+ S5 g(5);
+ S3 m;
+ S6 n(2);
+ int i;
+ int &j = i;
+#pragma omp parallel
+#pragma omp taskloop lastprivate // expected-error {{expected '(' after 'lastprivate'}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop lastprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop lastprivate() // expected-error {{expected expression}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop lastprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop lastprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop lastprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop lastprivate(argc)
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop lastprivate(a, b, c, d, f) // expected-error {{lastprivate variable with incomplete type 'S1'}} expected-error 3 {{shared variable cannot be lastprivate}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop lastprivate(argv[1]) // expected-error {{expected variable name}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop lastprivate(2 * 2) // expected-error {{expected variable name}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop lastprivate(ba)
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop lastprivate(ca) // expected-error {{shared variable cannot be lastprivate}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop lastprivate(da) // expected-error {{shared variable cannot be lastprivate}}
+ for (i = 0; i < argc; ++i)
+ foo();
+ int xa;
+#pragma omp parallel
+#pragma omp taskloop lastprivate(xa) // OK
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop lastprivate(S2::S2s)
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop lastprivate(S2::S2sc) // expected-error {{shared variable cannot be lastprivate}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop safelen(5) // expected-error {{unexpected OpenMP clause 'safelen' in directive '#pragma omp taskloop'}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop lastprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop lastprivate(m) // expected-error {{'operator=' is a private member of 'S3'}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop lastprivate(h) // expected-error {{threadprivate or thread local variable cannot be lastprivate}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop lastprivate(B::x) // expected-error {{threadprivate or thread local variable cannot be lastprivate}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop private(xa), lastprivate(xa) // expected-error {{private variable cannot be lastprivate}} expected-note {{defined as private}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop lastprivate(i)
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel private(xa)
+#pragma omp taskloop lastprivate(xa)
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel reduction(+ : xa)
+#pragma omp taskloop lastprivate(xa)
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop lastprivate(j)
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop firstprivate(m) lastprivate(m) // expected-error {{'operator=' is a private member of 'S3'}}
+ for (i = 0; i < argc; ++i)
+ foo();
+#pragma omp parallel
+#pragma omp taskloop lastprivate(n) firstprivate(n) // OK
+ for (i = 0; i < argc; ++i)
+ foo();
+ static int si;
+#pragma omp taskloop lastprivate(si) // OK
+ for (i = 0; i < argc; ++i)
+ si = i + 1;
+ return foomain<S4, S5>(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<S4, S5>' requested here}}
+}
--- /dev/null
+// RUN: %clang_cc1 -fsyntax-only -fopenmp -x c++ -std=c++11 -fexceptions -fcxx-exceptions -verify %s
+
+class S {
+ int a;
+ S() : a(0) {}
+
+public:
+ S(int v) : a(v) {}
+ S(const S &s) : a(s.a) {}
+};
+
+static int sii;
+#pragma omp threadprivate(sii)
+static int globalii;
+
+// Currently, we cannot use "0" for global register variables.
+// register int reg0 __asm__("0");
+int reg0;
+
+int test_iteration_spaces() {
+ const int N = 100;
+ float a[N], b[N], c[N];
+ int ii, jj, kk;
+ float fii;
+ double dii;
+ register int reg; // expected-warning {{'register' storage class specifier is deprecated}}
+#pragma omp parallel
+#pragma omp taskloop
+ for (int i = 0; i < 10; i += 1) {
+ c[i] = a[i] + b[i];
+ }
+#pragma omp parallel
+#pragma omp taskloop
+ for (char i = 0; i < 10; i++) {
+ c[i] = a[i] + b[i];
+ }
+#pragma omp parallel
+#pragma omp taskloop
+ for (char i = 0; i < 10; i += '\1') {
+ c[i] = a[i] + b[i];
+ }
+#pragma omp parallel
+#pragma omp taskloop
+ for (long long i = 0; i < 10; i++) {
+ c[i] = a[i] + b[i];
+ }
+#pragma omp parallel
+// expected-error@+2 {{expression must have integral or unscoped enumeration type, not 'double'}}
+#pragma omp taskloop
+ for (long long i = 0; i < 10; i += 1.5) {
+ c[i] = a[i] + b[i];
+ }
+#pragma omp parallel
+#pragma omp taskloop
+ for (long long i = 0; i < 'z'; i += 1u) {
+ c[i] = a[i] + b[i];
+ }
+#pragma omp parallel
+// expected-error@+2 {{variable must be of integer or random access iterator type}}
+#pragma omp taskloop
+ for (float fi = 0; fi < 10.0; fi++) {
+ c[(int)fi] = a[(int)fi] + b[(int)fi];
+ }
+#pragma omp parallel
+// expected-error@+2 {{variable must be of integer or random access iterator type}}
+#pragma omp taskloop
+ for (double fi = 0; fi < 10.0; fi++) {
+ c[(int)fi] = a[(int)fi] + b[(int)fi];
+ }
+#pragma omp parallel
+// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+#pragma omp taskloop
+ for (int &ref = ii; ref < 10; ref++) {
+ }
+#pragma omp parallel
+// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+#pragma omp taskloop
+ for (int i; i < 10; i++)
+ c[i] = a[i];
+
+#pragma omp parallel
+// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+#pragma omp taskloop
+ for (int i = 0, j = 0; i < 10; ++i)
+ c[i] = a[i];
+
+#pragma omp parallel
+// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+#pragma omp taskloop
+ for (; ii < 10; ++ii)
+ c[ii] = a[ii];
+
+#pragma omp parallel
+// expected-warning@+3 {{expression result unused}}
+// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+#pragma omp taskloop
+ for (ii + 1; ii < 10; ++ii)
+ c[ii] = a[ii];
+
+#pragma omp parallel
+// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+#pragma omp taskloop
+ for (c[ii] = 0; ii < 10; ++ii)
+ c[ii] = a[ii];
+
+#pragma omp parallel
+// Ok to skip parenthesises.
+#pragma omp taskloop
+ for (((ii)) = 0; ii < 10; ++ii)
+ c[ii] = a[ii];
+
+#pragma omp parallel
+// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
+#pragma omp taskloop
+ for (int i = 0; i; i++)
+ c[i] = a[i];
+
+#pragma omp parallel
+// expected-error@+3 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
+// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'i'}}
+#pragma omp taskloop
+ for (int i = 0; jj < kk; ii++)
+ c[i] = a[i];
+
+#pragma omp parallel
+// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
+#pragma omp taskloop
+ for (int i = 0; !!i; i++)
+ c[i] = a[i];
+
+#pragma omp parallel
+// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
+#pragma omp taskloop
+ for (int i = 0; i != 1; i++)
+ c[i] = a[i];
+
+#pragma omp parallel
+// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
+#pragma omp taskloop
+ for (int i = 0;; i++)
+ c[i] = a[i];
+
+#pragma omp parallel
+// Ok.
+#pragma omp taskloop
+ for (int i = 11; i > 10; i--)
+ c[i] = a[i];
+
+#pragma omp parallel
+// Ok.
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i)
+ c[i] = a[i];
+
+#pragma omp parallel
+// Ok.
+#pragma omp taskloop
+ for (ii = 0; ii < 10; ++ii)
+ c[ii] = a[ii];
+
+#pragma omp parallel
+// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
+#pragma omp taskloop
+ for (ii = 0; ii < 10; ++jj)
+ c[ii] = a[jj];
+
+#pragma omp parallel
+// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
+#pragma omp taskloop
+ for (ii = 0; ii < 10; ++++ii)
+ c[ii] = a[ii];
+
+#pragma omp parallel
+// Ok but undefined behavior (in general, cannot check that incr
+// is really loop-invariant).
+#pragma omp taskloop
+ for (ii = 0; ii < 10; ii = ii + ii)
+ c[ii] = a[ii];
+
+#pragma omp parallel
+// expected-error@+2 {{expression must have integral or unscoped enumeration type, not 'float'}}
+#pragma omp taskloop
+ for (ii = 0; ii < 10; ii = ii + 1.0f)
+ c[ii] = a[ii];
+
+#pragma omp parallel
+// Ok - step was converted to integer type.
+#pragma omp taskloop
+ for (ii = 0; ii < 10; ii = ii + (int)1.1f)
+ c[ii] = a[ii];
+
+#pragma omp parallel
+// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
+#pragma omp taskloop
+ for (ii = 0; ii < 10; jj = ii + 2)
+ c[ii] = a[ii];
+
+#pragma omp parallel
+// expected-warning@+3 {{relational comparison result unused}}
+// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
+#pragma omp taskloop
+ for (ii = 0; ii<10; jj> kk + 2)
+ c[ii] = a[ii];
+
+#pragma omp parallel
+// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
+#pragma omp taskloop
+ for (ii = 0; ii < 10;)
+ c[ii] = a[ii];
+
+#pragma omp parallel
+// expected-warning@+3 {{expression result unused}}
+// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
+#pragma omp taskloop
+ for (ii = 0; ii < 10; !ii)
+ c[ii] = a[ii];
+
+#pragma omp parallel
+// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
+#pragma omp taskloop
+ for (ii = 0; ii < 10; ii ? ++ii : ++jj)
+ c[ii] = a[ii];
+
+#pragma omp parallel
+// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
+#pragma omp taskloop
+ for (ii = 0; ii < 10; ii = ii < 10)
+ c[ii] = a[ii];
+
+#pragma omp parallel
+// expected-note@+3 {{loop step is expected to be positive due to this condition}}
+// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
+#pragma omp taskloop
+ for (ii = 0; ii < 10; ii = ii + 0)
+ c[ii] = a[ii];
+
+#pragma omp parallel
+// expected-note@+3 {{loop step is expected to be positive due to this condition}}
+// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
+#pragma omp taskloop
+ for (ii = 0; ii < 10; ii = ii + (int)(0.8 - 0.45))
+ c[ii] = a[ii];
+
+#pragma omp parallel
+// expected-note@+3 {{loop step is expected to be positive due to this condition}}
+// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
+#pragma omp taskloop
+ for (ii = 0; (ii) < 10; ii -= 25)
+ c[ii] = a[ii];
+
+#pragma omp parallel
+// expected-note@+3 {{loop step is expected to be positive due to this condition}}
+// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
+#pragma omp taskloop
+ for (ii = 0; (ii < 10); ii -= 0)
+ c[ii] = a[ii];
+
+#pragma omp parallel
+// expected-note@+3 {{loop step is expected to be negative due to this condition}}
+// expected-error@+2 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}}
+#pragma omp taskloop
+ for (ii = 0; ii > 10; (ii += 0))
+ c[ii] = a[ii];
+
+#pragma omp parallel
+// expected-note@+3 {{loop step is expected to be positive due to this condition}}
+// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
+#pragma omp taskloop
+ for (ii = 0; ii < 10; (ii) = (1 - 1) + (ii))
+ c[ii] = a[ii];
+
+#pragma omp parallel
+// expected-note@+3 {{loop step is expected to be negative due to this condition}}
+// expected-error@+2 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}}
+#pragma omp taskloop
+ for ((ii = 0); ii > 10; (ii -= 0))
+ c[ii] = a[ii];
+
+#pragma omp parallel
+// expected-note@+3 {{loop step is expected to be positive due to this condition}}
+// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
+#pragma omp taskloop
+ for (ii = 0; (ii < 10); (ii -= 0))
+ c[ii] = a[ii];
+
+#pragma omp parallel
+// expected-note@+2 {{defined as firstprivate}}
+// expected-error@+2 {{loop iteration variable in the associated loop of 'omp taskloop' directive may not be firstprivate, predetermined as private}}
+#pragma omp taskloop firstprivate(ii)
+ for (ii = 0; ii < 10; ii++)
+ c[ii] = a[ii];
+
+#pragma omp parallel
+// expected-error@+2 {{unexpected OpenMP clause 'linear' in directive '#pragma omp taskloop'}}
+// expected-note@+1 {{defined as linear}}
+#pragma omp taskloop linear(ii)
+// expected-error@+1 {{loop iteration variable in the associated loop of 'omp taskloop' directive may not be linear, predetermined as private}}
+ for (ii = 0; ii < 10; ii++)
+ c[ii] = a[ii];
+
+#pragma omp parallel
+#pragma omp taskloop private(ii)
+ for (ii = 0; ii < 10; ii++)
+ c[ii] = a[ii];
+
+#pragma omp parallel
+#pragma omp taskloop lastprivate(ii)
+ for (ii = 0; ii < 10; ii++)
+ c[ii] = a[ii];
+
+#pragma omp parallel
+ {
+#pragma omp taskloop
+ for (sii = 0; sii < 10; sii += 1)
+ c[sii] = a[sii];
+ }
+
+#pragma omp parallel
+ {
+#pragma omp taskloop
+ for (reg0 = 0; reg0 < 10; reg0 += 1)
+ c[reg0] = a[reg0];
+ }
+
+#pragma omp parallel
+ {
+#pragma omp taskloop
+ for (reg = 0; reg < 10; reg += 1)
+ c[reg] = a[reg];
+ }
+
+#pragma omp parallel
+ {
+#pragma omp taskloop
+ for (globalii = 0; globalii < 10; globalii += 1)
+ c[globalii] = a[globalii];
+ }
+
+#pragma omp parallel
+ {
+#pragma omp taskloop collapse(2)
+ for (ii = 0; ii < 10; ii += 1)
+ for (globalii = 0; globalii < 10; globalii += 1)
+ c[globalii] += a[globalii] + ii;
+ }
+
+#pragma omp parallel
+// expected-error@+2 {{statement after '#pragma omp taskloop' must be a for loop}}
+#pragma omp taskloop
+ for (auto &item : a) {
+ item = item + 1;
+ }
+
+#pragma omp parallel
+// expected-note@+3 {{loop step is expected to be positive due to this condition}}
+// expected-error@+2 {{increment expression must cause 'i' to increase on each iteration of OpenMP for loop}}
+#pragma omp taskloop
+ for (unsigned i = 9; i < 10; i--) {
+ c[i] = a[i] + b[i];
+ }
+
+ int(*lb)[4] = nullptr;
+#pragma omp parallel
+#pragma omp taskloop
+ for (int(*p)[4] = lb; p < lb + 8; ++p) {
+ }
+
+#pragma omp parallel
+// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+#pragma omp taskloop
+ for (int a{0}; a < 10; ++a) {
+ }
+
+ return 0;
+}
+
+// Iterators allowed in openmp for-loops.
+namespace std {
+struct random_access_iterator_tag {};
+template <class Iter>
+struct iterator_traits {
+ typedef typename Iter::difference_type difference_type;
+ typedef typename Iter::iterator_category iterator_category;
+};
+template <class Iter>
+typename iterator_traits<Iter>::difference_type
+distance(Iter first, Iter last) { return first - last; }
+}
+class Iter0 {
+public:
+ Iter0() {}
+ Iter0(const Iter0 &) {}
+ Iter0 operator++() { return *this; }
+ Iter0 operator--() { return *this; }
+ bool operator<(Iter0 a) { return true; }
+};
+// expected-note@+2 {{candidate function not viable: no known conversion from 'GoodIter' to 'Iter0' for 1st argument}}
+// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'Iter0' for 1st argument}}
+int operator-(Iter0 a, Iter0 b) { return 0; }
+class Iter1 {
+public:
+ Iter1(float f = 0.0f, double d = 0.0) {}
+ Iter1(const Iter1 &) {}
+ Iter1 operator++() { return *this; }
+ Iter1 operator--() { return *this; }
+ bool operator<(Iter1 a) { return true; }
+ bool operator>=(Iter1 a) { return false; }
+};
+class GoodIter {
+public:
+ GoodIter() {}
+ GoodIter(const GoodIter &) {}
+ GoodIter(int fst, int snd) {}
+ GoodIter &operator=(const GoodIter &that) { return *this; }
+ GoodIter &operator=(const Iter0 &that) { return *this; }
+ GoodIter &operator+=(int x) { return *this; }
+ GoodIter &operator-=(int x) { return *this; }
+ explicit GoodIter(void *) {}
+ GoodIter operator++() { return *this; }
+ GoodIter operator--() { return *this; }
+ bool operator!() { return true; }
+ bool operator<(GoodIter a) { return true; }
+ bool operator<=(GoodIter a) { return true; }
+ bool operator>=(GoodIter a) { return false; }
+ typedef int difference_type;
+ typedef std::random_access_iterator_tag iterator_category;
+};
+// expected-note@+2 {{candidate function not viable: no known conversion from 'Iter0' to 'GoodIter' for 2nd argument}}
+// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'GoodIter' for 1st argument}}
+int operator-(GoodIter a, GoodIter b) { return 0; }
+// expected-note@+1 3 {{candidate function not viable: requires single argument 'a', but 2 arguments were provided}}
+GoodIter operator-(GoodIter a) { return a; }
+// expected-note@+2 {{candidate function not viable: no known conversion from 'Iter0' to 'int' for 2nd argument}}
+// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'GoodIter' for 1st argument}}
+GoodIter operator-(GoodIter a, int v) { return GoodIter(); }
+// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter0' to 'GoodIter' for 1st argument}}
+GoodIter operator+(GoodIter a, int v) { return GoodIter(); }
+// expected-note@+2 {{candidate function not viable: no known conversion from 'GoodIter' to 'int' for 1st argument}}
+// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'int' for 1st argument}}
+GoodIter operator-(int v, GoodIter a) { return GoodIter(); }
+// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter0' to 'int' for 1st argument}}
+GoodIter operator+(int v, GoodIter a) { return GoodIter(); }
+
+int test_with_random_access_iterator() {
+ GoodIter begin, end;
+ Iter0 begin0, end0;
+#pragma omp parallel
+#pragma omp taskloop
+ for (GoodIter I = begin; I < end; ++I)
+ ++I;
+#pragma omp parallel
+// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+#pragma omp taskloop
+ for (GoodIter &I = begin; I < end; ++I)
+ ++I;
+#pragma omp parallel
+#pragma omp taskloop
+ for (GoodIter I = begin; I >= end; --I)
+ ++I;
+#pragma omp parallel
+// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+#pragma omp taskloop
+ for (GoodIter I(begin); I < end; ++I)
+ ++I;
+#pragma omp parallel
+// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+#pragma omp taskloop
+ for (GoodIter I(nullptr); I < end; ++I)
+ ++I;
+#pragma omp parallel
+// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+#pragma omp taskloop
+ for (GoodIter I(0); I < end; ++I)
+ ++I;
+#pragma omp parallel
+// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+#pragma omp taskloop
+ for (GoodIter I(1, 2); I < end; ++I)
+ ++I;
+#pragma omp parallel
+#pragma omp taskloop
+ for (begin = GoodIter(0); begin < end; ++begin)
+ ++begin;
+// expected-error@+4 {{invalid operands to binary expression ('GoodIter' and 'Iter0')}}
+// expected-error@+3 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}}
+#pragma omp parallel
+#pragma omp taskloop
+ for (begin = begin0; begin < end; ++begin)
+ ++begin;
+#pragma omp parallel
+// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+#pragma omp taskloop
+ for (++begin; begin < end; ++begin)
+ ++begin;
+#pragma omp parallel
+#pragma omp taskloop
+ for (begin = end; begin < end; ++begin)
+ ++begin;
+#pragma omp parallel
+// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}}
+#pragma omp taskloop
+ for (GoodIter I = begin; I - I; ++I)
+ ++I;
+#pragma omp parallel
+// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}}
+#pragma omp taskloop
+ for (GoodIter I = begin; begin < end; ++I)
+ ++I;
+#pragma omp parallel
+// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}}
+#pragma omp taskloop
+ for (GoodIter I = begin; !I; ++I)
+ ++I;
+#pragma omp parallel
+// expected-note@+3 {{loop step is expected to be negative due to this condition}}
+// expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
+#pragma omp taskloop
+ for (GoodIter I = begin; I >= end; I = I + 1)
+ ++I;
+#pragma omp parallel
+#pragma omp taskloop
+ for (GoodIter I = begin; I >= end; I = I - 1)
+ ++I;
+#pragma omp parallel
+// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}}
+#pragma omp taskloop
+ for (GoodIter I = begin; I >= end; I = -I)
+ ++I;
+#pragma omp parallel
+// expected-note@+3 {{loop step is expected to be negative due to this condition}}
+// expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
+#pragma omp taskloop
+ for (GoodIter I = begin; I >= end; I = 2 + I)
+ ++I;
+#pragma omp parallel
+// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}}
+#pragma omp taskloop
+ for (GoodIter I = begin; I >= end; I = 2 - I)
+ ++I;
+// In the following example, we cannot update the loop variable using '+='
+// expected-error@+3 {{invalid operands to binary expression ('Iter0' and 'int')}}
+#pragma omp parallel
+#pragma omp taskloop
+ for (Iter0 I = begin0; I < end0; ++I)
+ ++I;
+#pragma omp parallel
+// Initializer is constructor without params.
+// expected-error@+3 {{invalid operands to binary expression ('Iter0' and 'int')}}
+// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+#pragma omp taskloop
+ for (Iter0 I; I < end0; ++I)
+ ++I;
+ Iter1 begin1, end1;
+// expected-error@+4 {{invalid operands to binary expression ('Iter1' and 'Iter1')}}
+// expected-error@+3 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}}
+#pragma omp parallel
+#pragma omp taskloop
+ for (Iter1 I = begin1; I < end1; ++I)
+ ++I;
+#pragma omp parallel
+// expected-note@+3 {{loop step is expected to be negative due to this condition}}
+// expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
+#pragma omp taskloop
+ for (Iter1 I = begin1; I >= end1; ++I)
+ ++I;
+#pragma omp parallel
+// expected-error@+5 {{invalid operands to binary expression ('Iter1' and 'float')}}
+// expected-error@+4 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}}
+// Initializer is constructor with all default params.
+// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+#pragma omp taskloop
+ for (Iter1 I; I < end1; ++I) {
+ }
+ return 0;
+}
+
+template <typename IT, int ST>
+class TC {
+public:
+ int dotest_lt(IT begin, IT end) {
+#pragma omp parallel
+// expected-note@+3 {{loop step is expected to be positive due to this condition}}
+// expected-error@+2 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}}
+#pragma omp taskloop
+ for (IT I = begin; I < end; I = I + ST) {
+ ++I;
+ }
+#pragma omp parallel
+// expected-note@+3 {{loop step is expected to be positive due to this condition}}
+// expected-error@+2 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}}
+#pragma omp taskloop
+ for (IT I = begin; I <= end; I += ST) {
+ ++I;
+ }
+#pragma omp parallel
+#pragma omp taskloop
+ for (IT I = begin; I < end; ++I) {
+ ++I;
+ }
+ }
+
+ static IT step() {
+ return IT(ST);
+ }
+};
+template <typename IT, int ST = 0>
+int dotest_gt(IT begin, IT end) {
+#pragma omp parallel
+// expected-note@+3 2 {{loop step is expected to be negative due to this condition}}
+// expected-error@+2 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
+#pragma omp taskloop
+ for (IT I = begin; I >= end; I = I + ST) {
+ ++I;
+ }
+#pragma omp parallel
+// expected-note@+3 2 {{loop step is expected to be negative due to this condition}}
+// expected-error@+2 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
+#pragma omp taskloop
+ for (IT I = begin; I >= end; I += ST) {
+ ++I;
+ }
+
+#pragma omp parallel
+// expected-note@+3 {{loop step is expected to be negative due to this condition}}
+// expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
+#pragma omp taskloop
+ for (IT I = begin; I >= end; ++I) {
+ ++I;
+ }
+
+#pragma omp parallel
+#pragma omp taskloop
+ for (IT I = begin; I < end; I += TC<int, ST>::step()) {
+ ++I;
+ }
+}
+
+void test_with_template() {
+ GoodIter begin, end;
+ TC<GoodIter, 100> t1;
+ TC<GoodIter, -100> t2;
+ t1.dotest_lt(begin, end);
+ t2.dotest_lt(begin, end); // expected-note {{in instantiation of member function 'TC<GoodIter, -100>::dotest_lt' requested here}}
+ dotest_gt(begin, end); // expected-note {{in instantiation of function template specialization 'dotest_gt<GoodIter, 0>' requested here}}
+ dotest_gt<unsigned, -10>(0, 100); // expected-note {{in instantiation of function template specialization 'dotest_gt<unsigned int, -10>' requested here}}
+}
+
+void test_loop_break() {
+ const int N = 100;
+ float a[N], b[N], c[N];
+#pragma omp parallel
+#pragma omp taskloop
+ for (int i = 0; i < 10; i++) {
+ c[i] = a[i] + b[i];
+ for (int j = 0; j < 10; ++j) {
+ if (a[i] > b[j])
+ break; // OK in nested loop
+ }
+ switch (i) {
+ case 1:
+ b[i]++;
+ break;
+ default:
+ break;
+ }
+ if (c[i] > 10)
+ break; // expected-error {{'break' statement cannot be used in OpenMP for loop}}
+
+ if (c[i] > 11)
+ break; // expected-error {{'break' statement cannot be used in OpenMP for loop}}
+ }
+
+#pragma omp parallel
+#pragma omp taskloop
+ for (int i = 0; i < 10; i++) {
+ for (int j = 0; j < 10; j++) {
+ c[i] = a[i] + b[i];
+ if (c[i] > 10) {
+ if (c[i] < 20) {
+ break; // OK
+ }
+ }
+ }
+ }
+}
+
+void test_loop_eh() {
+ const int N = 100;
+ float a[N], b[N], c[N];
+#pragma omp parallel
+#pragma omp taskloop
+ for (int i = 0; i < 10; i++) {
+ c[i] = a[i] + b[i];
+ try {
+ for (int j = 0; j < 10; ++j) {
+ if (a[i] > b[j])
+ throw a[i];
+ }
+ throw a[i];
+ } catch (float f) {
+ if (f > 0.1)
+ throw a[i];
+ return; // expected-error {{cannot return from OpenMP region}}
+ }
+ switch (i) {
+ case 1:
+ b[i]++;
+ break;
+ default:
+ break;
+ }
+ for (int j = 0; j < 10; j++) {
+ if (c[i] > 10)
+ throw c[i];
+ }
+ }
+ if (c[9] > 10)
+ throw c[9]; // OK
+
+#pragma omp parallel
+#pragma omp taskloop
+ for (int i = 0; i < 10; ++i) {
+ struct S {
+ void g() { throw 0; }
+ };
+ }
+}
+
+void test_loop_firstprivate_lastprivate() {
+ S s(4);
+#pragma omp parallel
+#pragma omp taskloop lastprivate(s) firstprivate(s)
+ for (int i = 0; i < 16; ++i)
+ ;
+}
+
--- /dev/null
+// RUN: %clang_cc1 -fsyntax-only -fopenmp -triple x86_64-unknown-unknown -verify %s
+
+// expected-error@+1 {{unexpected OpenMP directive '#pragma omp taskloop'}}
+#pragma omp taskloop
+
+// expected-error@+1 {{unexpected OpenMP directive '#pragma omp taskloop'}}
+#pragma omp taskloop foo
+
+void test_no_clause() {
+ int i;
+#pragma omp taskloop
+ for (i = 0; i < 16; ++i)
+ ;
+
+// expected-error@+2 {{statement after '#pragma omp taskloop' must be a for loop}}
+#pragma omp taskloop
+ ++i;
+}
+
+void test_branch_protected_scope() {
+ int i = 0;
+L1:
+ ++i;
+
+ int x[24];
+
+#pragma omp parallel
+#pragma omp taskloop
+ for (i = 0; i < 16; ++i) {
+ if (i == 5)
+ goto L1; // expected-error {{use of undeclared label 'L1'}}
+ else if (i == 6)
+ return; // expected-error {{cannot return from OpenMP region}}
+ else if (i == 7)
+ goto L2;
+ else if (i == 8) {
+ L2:
+ x[i]++;
+ }
+ }
+
+ if (x[0] == 0)
+ goto L2; // expected-error {{use of undeclared label 'L2'}}
+ else if (x[1] == 1)
+ goto L1;
+}
+
+void test_invalid_clause() {
+ int i;
+#pragma omp parallel
+// expected-warning@+1 {{extra tokens at the end of '#pragma omp taskloop' are ignored}}
+#pragma omp taskloop foo bar
+ for (i = 0; i < 16; ++i)
+ ;
+}
+
+void test_non_identifiers() {
+ int i, x;
+
+#pragma omp parallel
+// expected-warning@+1 {{extra tokens at the end of '#pragma omp taskloop' are ignored}}
+#pragma omp taskloop;
+ for (i = 0; i < 16; ++i)
+ ;
+// expected-warning@+3 {{extra tokens at the end of '#pragma omp taskloop' are ignored}}
+// expected-error@+2 {{unexpected OpenMP clause 'linear' in directive '#pragma omp taskloop'}}
+#pragma omp parallel
+#pragma omp taskloop linear(x);
+ for (i = 0; i < 16; ++i)
+ ;
+
+#pragma omp parallel
+// expected-warning@+1 {{extra tokens at the end of '#pragma omp taskloop' are ignored}}
+#pragma omp taskloop private(x);
+ for (i = 0; i < 16; ++i)
+ ;
+
+#pragma omp parallel
+// expected-warning@+1 {{extra tokens at the end of '#pragma omp taskloop' are ignored}}
+#pragma omp taskloop, private(x);
+ for (i = 0; i < 16; ++i)
+ ;
+}
+
+extern int foo();
+
+void test_collapse() {
+ int i;
+#pragma omp parallel
+// expected-error@+1 {{expected '('}}
+#pragma omp taskloop collapse
+ for (i = 0; i < 16; ++i)
+ ;
+#pragma omp parallel
+// expected-error@+1 {{expected expression}} expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
+#pragma omp taskloop collapse(
+ for (i = 0; i < 16; ++i)
+ ;
+#pragma omp parallel
+// expected-error@+1 {{expected expression}}
+#pragma omp taskloop collapse()
+ for (i = 0; i < 16; ++i)
+ ;
+#pragma omp parallel
+// expected-error@+1 {{expected expression}} expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
+#pragma omp taskloop collapse(,
+ for (i = 0; i < 16; ++i)
+ ;
+#pragma omp parallel
+// expected-error@+1 {{expected expression}} expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
+#pragma omp taskloop collapse(, )
+ for (i = 0; i < 16; ++i)
+ ;
+#pragma omp parallel
+// expected-warning@+2 {{extra tokens at the end of '#pragma omp taskloop' are ignored}}
+// expected-error@+1 {{expected '('}}
+#pragma omp taskloop collapse 4)
+ for (i = 0; i < 16; ++i)
+ ;
+#pragma omp parallel
+// expected-error@+2 {{expected ')'}}
+// expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
+#pragma omp taskloop collapse(4
+ for (i = 0; i < 16; ++i)
+ ; // expected-error {{expected 4 for loops after '#pragma omp taskloop', but found only 1}}
+#pragma omp parallel
+// expected-error@+2 {{expected ')'}}
+// expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
+#pragma omp taskloop collapse(4,
+ for (i = 0; i < 16; ++i)
+ ; // expected-error {{expected 4 for loops after '#pragma omp taskloop', but found only 1}}
+#pragma omp parallel
+// expected-error@+2 {{expected ')'}}
+// expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
+#pragma omp taskloop collapse(4, )
+ for (i = 0; i < 16; ++i)
+ ; // expected-error {{expected 4 for loops after '#pragma omp taskloop', but found only 1}}
+#pragma omp parallel
+// expected-note@+1 {{as specified in 'collapse' clause}}
+#pragma omp taskloop collapse(4)
+ for (i = 0; i < 16; ++i)
+ ; // expected-error {{expected 4 for loops after '#pragma omp taskloop', but found only 1}}
+#pragma omp parallel
+// expected-error@+2 {{expected ')'}}
+// expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
+#pragma omp taskloop collapse(4 4)
+ for (i = 0; i < 16; ++i)
+ ; // expected-error {{expected 4 for loops after '#pragma omp taskloop', but found only 1}}
+#pragma omp parallel
+// expected-error@+2 {{expected ')'}}
+// expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
+#pragma omp taskloop collapse(4, , 4)
+ for (i = 0; i < 16; ++i)
+ ; // expected-error {{expected 4 for loops after '#pragma omp taskloop', but found only 1}}
+#pragma omp parallel
+#pragma omp taskloop collapse(4)
+ for (int i1 = 0; i1 < 16; ++i1)
+ for (int i2 = 0; i2 < 16; ++i2)
+ for (int i3 = 0; i3 < 16; ++i3)
+ for (int i4 = 0; i4 < 16; ++i4)
+ foo();
+#pragma omp parallel
+// expected-error@+2 {{expected ')'}}
+// expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
+#pragma omp taskloop collapse(4, 8)
+ for (i = 0; i < 16; ++i)
+ ; // expected-error {{expected 4 for loops after '#pragma omp taskloop', but found only 1}}
+#pragma omp parallel
+// expected-error@+1 {{expression is not an integer constant expression}}
+#pragma omp taskloop collapse(2.5)
+ for (i = 0; i < 16; ++i)
+ ;
+#pragma omp parallel
+// expected-error@+1 {{expression is not an integer constant expression}}
+#pragma omp taskloop collapse(foo())
+ for (i = 0; i < 16; ++i)
+ ;
+#pragma omp parallel
+// expected-error@+1 {{argument to 'collapse' clause must be a positive integer value}}
+#pragma omp taskloop collapse(-5)
+ for (i = 0; i < 16; ++i)
+ ;
+#pragma omp parallel
+// expected-error@+1 {{argument to 'collapse' clause must be a positive integer value}}
+#pragma omp taskloop collapse(0)
+ for (i = 0; i < 16; ++i)
+ ;
+#pragma omp parallel
+// expected-error@+1 {{argument to 'collapse' clause must be a positive integer value}}
+#pragma omp taskloop collapse(5 - 5)
+ for (i = 0; i < 16; ++i)
+ ;
+}
+
+void test_private() {
+ int i;
+#pragma omp parallel
+// expected-error@+2 {{expected expression}}
+// expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
+#pragma omp taskloop private(
+ for (i = 0; i < 16; ++i)
+ ;
+#pragma omp parallel
+// expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
+// expected-error@+1 2 {{expected expression}}
+#pragma omp taskloop private(,
+ for (i = 0; i < 16; ++i)
+ ;
+#pragma omp parallel
+// expected-error@+1 2 {{expected expression}}
+#pragma omp taskloop private(, )
+ for (i = 0; i < 16; ++i)
+ ;
+#pragma omp parallel
+// expected-error@+1 {{expected expression}}
+#pragma omp taskloop private()
+ for (i = 0; i < 16; ++i)
+ ;
+#pragma omp parallel
+// expected-error@+1 {{expected expression}}
+#pragma omp taskloop private(int)
+ for (i = 0; i < 16; ++i)
+ ;
+#pragma omp parallel
+// expected-error@+1 {{expected variable name}}
+#pragma omp taskloop private(0)
+ for (i = 0; i < 16; ++i)
+ ;
+
+ int x, y, z;
+#pragma omp parallel
+#pragma omp taskloop private(x)
+ for (i = 0; i < 16; ++i)
+ ;
+#pragma omp parallel
+#pragma omp taskloop private(x, y)
+ for (i = 0; i < 16; ++i)
+ ;
+#pragma omp parallel
+#pragma omp taskloop private(x, y, z)
+ for (i = 0; i < 16; ++i) {
+ x = y * i + z;
+ }
+}
+
+void test_lastprivate() {
+ int i;
+#pragma omp parallel
+// expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
+// expected-error@+1 {{expected expression}}
+#pragma omp taskloop lastprivate(
+ for (i = 0; i < 16; ++i)
+ ;
+
+#pragma omp parallel
+// expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
+// expected-error@+1 2 {{expected expression}}
+#pragma omp taskloop lastprivate(,
+ for (i = 0; i < 16; ++i)
+ ;
+#pragma omp parallel
+// expected-error@+1 2 {{expected expression}}
+#pragma omp taskloop lastprivate(, )
+ for (i = 0; i < 16; ++i)
+ ;
+#pragma omp parallel
+// expected-error@+1 {{expected expression}}
+#pragma omp taskloop lastprivate()
+ for (i = 0; i < 16; ++i)
+ ;
+#pragma omp parallel
+// expected-error@+1 {{expected expression}}
+#pragma omp taskloop lastprivate(int)
+ for (i = 0; i < 16; ++i)
+ ;
+#pragma omp parallel
+// expected-error@+1 {{expected variable name}}
+#pragma omp taskloop lastprivate(0)
+ for (i = 0; i < 16; ++i)
+ ;
+
+ int x, y, z;
+#pragma omp parallel
+#pragma omp taskloop lastprivate(x)
+ for (i = 0; i < 16; ++i)
+ ;
+#pragma omp parallel
+#pragma omp taskloop lastprivate(x, y)
+ for (i = 0; i < 16; ++i)
+ ;
+#pragma omp parallel
+#pragma omp taskloop lastprivate(x, y, z)
+ for (i = 0; i < 16; ++i)
+ ;
+}
+
+void test_firstprivate() {
+ int i;
+#pragma omp parallel
+// expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
+// expected-error@+1 {{expected expression}}
+#pragma omp taskloop firstprivate(
+ for (i = 0; i < 16; ++i)
+ ;
+
+#pragma omp parallel
+// expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
+// expected-error@+1 2 {{expected expression}}
+#pragma omp taskloop firstprivate(,
+ for (i = 0; i < 16; ++i)
+ ;
+#pragma omp parallel
+// expected-error@+1 2 {{expected expression}}
+#pragma omp taskloop firstprivate(, )
+ for (i = 0; i < 16; ++i)
+ ;
+#pragma omp parallel
+// expected-error@+1 {{expected expression}}
+#pragma omp taskloop firstprivate()
+ for (i = 0; i < 16; ++i)
+ ;
+#pragma omp parallel
+// expected-error@+1 {{expected expression}}
+#pragma omp taskloop firstprivate(int)
+ for (i = 0; i < 16; ++i)
+ ;
+#pragma omp parallel
+// expected-error@+1 {{expected variable name}}
+#pragma omp taskloop firstprivate(0)
+ for (i = 0; i < 16; ++i)
+ ;
+
+ int x, y, z;
+#pragma omp parallel
+#pragma omp taskloop lastprivate(x) firstprivate(x)
+ for (i = 0; i < 16; ++i)
+ ;
+#pragma omp parallel
+#pragma omp taskloop lastprivate(x, y) firstprivate(x, y)
+ for (i = 0; i < 16; ++i)
+ ;
+#pragma omp parallel
+#pragma omp taskloop lastprivate(x, y, z) firstprivate(x, y, z)
+ for (i = 0; i < 16; ++i)
+ ;
+}
+
+void test_loop_messages() {
+ float a[100], b[100], c[100];
+#pragma omp parallel
+// expected-error@+2 {{variable must be of integer or pointer type}}
+#pragma omp taskloop
+ for (float fi = 0; fi < 10.0; fi++) {
+ c[(int)fi] = a[(int)fi] + b[(int)fi];
+ }
+#pragma omp parallel
+// expected-error@+2 {{variable must be of integer or pointer type}}
+#pragma omp taskloop
+ for (double fi = 0; fi < 10.0; fi++) {
+ c[(int)fi] = a[(int)fi] + b[(int)fi];
+ }
+
+ // expected-warning@+2 {{OpenMP loop iteration variable cannot have more than 64 bits size and will be narrowed}}
+ #pragma omp taskloop
+ for (__int128 ii = 0; ii < 10; ii++) {
+ c[ii] = a[ii] + b[ii];
+ }
+}
+
--- /dev/null
+// RUN: %clang_cc1 -verify -fopenmp %s
+
+void foo() {
+}
+
+bool foobool(int argc) {
+ return argc;
+}
+
+struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
+extern S1 a;
+class S2 {
+ mutable int a;
+
+public:
+ S2() : a(0) {}
+};
+const S2 b;
+const S2 ba[5];
+class S3 {
+ int a;
+
+public:
+ S3() : a(0) {}
+};
+const S3 ca[5];
+class S4 {
+ int a;
+ S4(); // expected-note {{implicitly declared private here}}
+
+public:
+ S4(int v) : a(v) {}
+};
+class S5 {
+ int a;
+ S5() : a(0) {} // expected-note {{implicitly declared private here}}
+
+public:
+ S5(int v) : a(v) {}
+};
+
+S3 h;
+#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
+
+template <class I, class C>
+int foomain(I argc, C **argv) {
+ I e(4);
+ I g(5);
+ int i;
+ int &j = i;
+#pragma omp taskloop private // expected-error {{expected '(' after 'private'}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp taskloop private( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp taskloop private() // expected-error {{expected expression}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp taskloop private(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp taskloop private(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp taskloop private(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp taskloop private(argc)
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp taskloop private(S1) // expected-error {{'S1' does not refer to a value}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp taskloop private(a, b) // expected-error {{private variable with incomplete type 'S1'}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp taskloop private(argv[1]) // expected-error {{expected variable name}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp taskloop private(e, g)
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp taskloop private(h) // expected-error {{threadprivate or thread local variable cannot be private}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp taskloop shared(i)
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp parallel
+ {
+ int v = 0;
+ int i;
+#pragma omp taskloop private(i)
+ for (int k = 0; k < argc; ++k) {
+ i = k;
+ v += i;
+ }
+ }
+#pragma omp parallel shared(i)
+#pragma omp parallel private(i)
+#pragma omp taskloop private(j)
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp taskloop private(i)
+ for (int k = 0; k < argc; ++k)
+ ++k;
+ return 0;
+}
+
+void bar(S4 a[2]) {
+#pragma omp parallel
+#pragma omp taskloop private(a)
+ for (int i = 0; i < 2; ++i)
+ foo();
+}
+
+namespace A {
+double x;
+#pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
+}
+namespace B {
+using A::x;
+}
+
+int main(int argc, char **argv) {
+ S4 e(4);
+ S5 g(5);
+ int i;
+ int &j = i;
+#pragma omp taskloop private // expected-error {{expected '(' after 'private'}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp taskloop private( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp taskloop private() // expected-error {{expected expression}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp taskloop private(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp taskloop private(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp taskloop private(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp taskloop private(argc)
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp taskloop private(S1) // expected-error {{'S1' does not refer to a value}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp taskloop private(a, b) // expected-error {{private variable with incomplete type 'S1'}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp taskloop private(argv[1]) // expected-error {{expected variable name}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp taskloop private(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp taskloop private(h) // expected-error {{threadprivate or thread local variable cannot be private}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp taskloop private(B::x) // expected-error {{threadprivate or thread local variable cannot be private}}
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp taskloop shared(i)
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp parallel
+ {
+ int i;
+#pragma omp taskloop private(i)
+ for (int k = 0; k < argc; ++k)
+ ++k;
+ }
+#pragma omp parallel shared(i)
+#pragma omp parallel private(i)
+#pragma omp taskloop private(j)
+ for (int k = 0; k < argc; ++k)
+ ++k;
+#pragma omp taskloop private(i)
+ for (int k = 0; k < argc; ++k)
+ ++k;
+ static int si;
+#pragma omp taskloop private(si) // OK
+ for(int k = 0; k < argc; ++k)
+ si = k + 1;
+
+ return 0;
+}
+
void VisitOMPTargetDirective(const OMPTargetDirective *D);
void VisitOMPTargetDataDirective(const OMPTargetDataDirective *D);
void VisitOMPTeamsDirective(const OMPTeamsDirective *D);
+ void VisitOMPTaskLoopDirective(const OMPTaskLoopDirective *D);
private:
void AddDeclarationNameInfo(const Stmt *S);
VisitOMPExecutableDirective(D);
}
+void EnqueueVisitor::VisitOMPTaskLoopDirective(const OMPTaskLoopDirective *D) {
+ VisitOMPLoopDirective(D);
+}
+
void CursorVisitor::EnqueueWorkList(VisitorWorkList &WL, const Stmt *S) {
EnqueueVisitor(WL, MakeCXCursor(S, StmtParent, TU,RegionOfInterest)).Visit(S);
}
return cxstring::createRef("OMPCancellationPointDirective");
case CXCursor_OMPCancelDirective:
return cxstring::createRef("OMPCancelDirective");
+ case CXCursor_OMPTaskLoopDirective:
+ return cxstring::createRef("OMPTaskLoopDirective");
case CXCursor_OverloadCandidate:
return cxstring::createRef("OverloadCandidate");
case CXCursor_TypeAliasTemplateDecl:
case Stmt::OMPCancelDirectiveClass:
K = CXCursor_OMPCancelDirective;
break;
+ case Stmt::OMPTaskLoopDirectiveClass:
+ K = CXCursor_OMPTaskLoopDirective;
+ break;
}
CXCursor C = { K, 0, { Parent, S, TU } };
projects / clang / commitdiff