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[OPENMP 4.5] Parsing/sema analysis for 'taskloop' directive.

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Adds initial parsing and semantic analysis for 'taskloop' directive.

llvm-svn: 254367
This commit is contained in:
Alexey Bataev 2015-12-01 04:18:41 +00:00
parent 1dbaf67537
commit 49f6e78d71
30 changed files with 2927 additions and 34 deletions
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6
clang/include/clang-c/Index.h
View File

@ -2256,7 +2256,11 @@ enum CXCursorKind {
*/
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.

3
clang/include/clang/AST/RecursiveASTVisitor.h
View File

@ -2431,6 +2431,9 @@ DEF_TRAVERSE_STMT(OMPTargetDataDirective,
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) {

115
clang/include/clang/AST/StmtOpenMP.h
View File

@ -391,8 +391,9 @@ protected:
/// \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.
@ -421,37 +422,44 @@ protected:
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;
}
@ -578,43 +586,50 @@ public:
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)));
@ -665,7 +680,8 @@ public:
T->getStmtClass() == OMPForDirectiveClass ||
T->getStmtClass() == OMPForSimdDirectiveClass ||
T->getStmtClass() == OMPParallelForDirectiveClass ||
T->getStmtClass() == OMPParallelForSimdDirectiveClass;
T->getStmtClass() == OMPParallelForSimdDirectiveClass ||
T->getStmtClass() == OMPTaskLoopDirectiveClass;
}
};
@ -2183,6 +2199,71 @@ public:
}
};
/// \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

18
clang/include/clang/Basic/OpenMPKinds.def
View File

@ -69,6 +69,9 @@
#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
@ -115,6 +118,7 @@ OPENMP_DIRECTIVE_EXT(parallel_for_simd, "parallel for simd")
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)
@ -340,6 +344,20 @@ OPENMP_MAP_KIND(delete)
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

2
clang/include/clang/Basic/StmtNodes.td
View File

@ -219,3 +219,5 @@ def OMPTargetDataDirective : DStmt<OMPExecutableDirective>;
def OMPTeamsDirective : DStmt<OMPExecutableDirective>;
def OMPCancellationPointDirective : DStmt<OMPExecutableDirective>;
def OMPCancelDirective : DStmt<OMPExecutableDirective>;
def OMPTaskLoopDirective : DStmt<OMPLoopDirective>;

6
clang/include/clang/Sema/Sema.h
View File

@ -7934,6 +7934,12 @@ public:
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,

1
clang/include/clang/Serialization/ASTBitCodes.h
View File

@ -1447,6 +1447,7 @@ namespace clang {
STMT_OMP_TASKGROUP_DIRECTIVE,
STMT_OMP_CANCELLATION_POINT_DIRECTIVE,
STMT_OMP_CANCEL_DIRECTIVE,
STMT_OMP_TASKLOOP_DIRECTIVE,
EXPR_OMP_ARRAY_SECTION,
// ARC

48
clang/lib/AST/StmtOpenMP.cpp
View File

@ -738,3 +738,51 @@ OMPTeamsDirective *OMPTeamsDirective::CreateEmpty(const ASTContext &C,
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);
}

6
clang/lib/AST/StmtPrinter.cpp
View File

@ -1029,6 +1029,12 @@ void StmtPrinter::VisitOMPCancelDirective(OMPCancelDirective *Node) {
<< getOpenMPDirectiveName(Node->getCancelRegion()) << " ";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPTaskLoopDirective(OMPTaskLoopDirective *Node) {
Indent() << "#pragma omp taskloop ";
PrintOMPExecutableDirective(Node);
}
//===----------------------------------------------------------------------===//
// Expr printing methods.
//===----------------------------------------------------------------------===//

4
clang/lib/AST/StmtProfile.cpp
View File

@ -582,6 +582,10 @@ void StmtProfiler::VisitOMPCancelDirective(const OMPCancelDirective *S) {
VisitOMPExecutableDirective(S);
}
void StmtProfiler::VisitOMPTaskLoopDirective(const OMPTaskLoopDirective *S) {
VisitOMPLoopDirective(S);
}
void StmtProfiler::VisitExpr(const Expr *S) {
VisitStmt(S);
}

14
clang/lib/Basic/OpenMPKinds.cpp
View File

@ -405,6 +405,16 @@ bool clang::isAllowedClauseForDirective(OpenMPDirectiveKind DKind,
#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;
@ -427,8 +437,8 @@ bool clang::isAllowedClauseForDirective(OpenMPDirectiveKind DKind,
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) {

3
clang/lib/CodeGen/CGStmt.cpp
View File

@ -256,6 +256,9 @@ void CodeGenFunction::EmitStmt(const Stmt *S) {
case Stmt::OMPTargetDataDirectiveClass:
EmitOMPTargetDataDirective(cast<OMPTargetDataDirective>(*S));
break;
case Stmt::OMPTaskLoopDirectiveClass:
EmitOMPTaskLoopDirective(cast<OMPTaskLoopDirective>(*S));
break;
}
}

10
clang/lib/CodeGen/CGStmtOpenMP.cpp
View File

@ -2542,10 +2542,18 @@ CodeGenFunction::getOMPCancelDestination(OpenMPDirectiveKind Kind) {
// 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()); });
}

1
clang/lib/CodeGen/CodeGenFunction.h
View File

@ -2334,6 +2334,7 @@ public:
void
EmitOMPCancellationPointDirective(const OMPCancellationPointDirective &S);
void EmitOMPCancelDirective(const OMPCancelDirective &S);
void EmitOMPTaskLoopDirective(const OMPTaskLoopDirective &S);
/// \brief Emit inner loop of the worksharing/simd construct.
///

4
clang/lib/Parse/ParseOpenMP.cpp
View File

@ -137,6 +137,7 @@ Parser::DeclGroupPtrTy Parser::ParseOpenMPDeclarativeDirective() {
case OMPD_cancellation_point:
case OMPD_cancel:
case OMPD_target_data:
case OMPD_taskloop:
Diag(Tok, diag::err_omp_unexpected_directive)
<< getOpenMPDirectiveName(DKind);
break;
@ -232,7 +233,8 @@ Parser::ParseOpenMPDeclarativeOrExecutableDirective(bool StandAloneAllowed) {
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) {

114
clang/lib/Sema/SemaOpenMP.cpp
View File

@ -343,7 +343,8 @@ public:
};
bool isParallelOrTaskRegion(OpenMPDirectiveKind DKind) {
return isOpenMPParallelDirective(DKind) || DKind == OMPD_task ||
isOpenMPTeamsDirective(DKind) || DKind == OMPD_unknown;
isOpenMPTeamsDirective(DKind) || DKind == OMPD_unknown ||
DKind == OMPD_taskloop;
}
} // namespace
@ -1454,6 +1455,14 @@ void Sema::ActOnOpenMPRegionStart(OpenMPDirectiveKind DKind, Scope *CurScope) {
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:
@ -1536,6 +1545,7 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack,
// | parallel | cancellation | |
// | | point | ! |
// | parallel | cancel | ! |
// | parallel | taskloop | * |
// +------------------+-----------------+------------------------------------+
// | for | parallel | * |
// | for | for | + |
@ -1562,6 +1572,7 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack,
// | for | cancellation | |
// | | point | ! |
// | for | cancel | ! |
// | for | taskloop | * |
// +------------------+-----------------+------------------------------------+
// | master | parallel | * |
// | master | for | + |
@ -1588,6 +1599,7 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack,
// | master | cancellation | |
// | | point | |
// | master | cancel | |
// | master | taskloop | * |
// +------------------+-----------------+------------------------------------+
// | critical | parallel | * |
// | critical | for | + |
@ -1613,6 +1625,7 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack,
// | critical | cancellation | |
// | | point | |
// | critical | cancel | |
// | critical | taskloop | * |
// +------------------+-----------------+------------------------------------+
// | simd | parallel | |
// | simd | for | |
@ -1639,6 +1652,7 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack,
// | simd | cancellation | |
// | | point | |
// | simd | cancel | |
// | simd | taskloop | |
// +------------------+-----------------+------------------------------------+
// | for simd | parallel | |
// | for simd | for | |
@ -1665,6 +1679,7 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack,
// | for simd | cancellation | |
// | | point | |
// | for simd | cancel | |
// | for simd | taskloop | |
// +------------------+-----------------+------------------------------------+
// | parallel for simd| parallel | |
// | parallel for simd| for | |
@ -1691,6 +1706,7 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack,
// | parallel for simd| cancellation | |
// | | point | |
// | parallel for simd| cancel | |
// | parallel for simd| taskloop | |
// +------------------+-----------------+------------------------------------+
// | sections | parallel | * |
// | sections | for | + |
@ -1717,6 +1733,7 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack,
// | sections | cancellation | |
// | | point | ! |
// | sections | cancel | ! |
// | sections | taskloop | * |
// +------------------+-----------------+------------------------------------+
// | section | parallel | * |
// | section | for | + |
@ -1743,6 +1760,7 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack,
// | section | cancellation | |
// | | point | ! |
// | section | cancel | ! |
// | section | taskloop | * |
// +------------------+-----------------+------------------------------------+
// | single | parallel | * |
// | single | for | + |
@ -1769,6 +1787,7 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack,
// | single | cancellation | |
// | | point | |
// | single | cancel | |
// | single | taskloop | * |
// +------------------+-----------------+------------------------------------+
// | parallel for | parallel | * |
// | parallel for | for | + |
@ -1795,6 +1814,7 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack,
// | parallel for | cancellation | |
// | | point | ! |
// | parallel for | cancel | ! |
// | parallel for | taskloop | * |
// +------------------+-----------------+------------------------------------+
// | parallel sections| parallel | * |
// | parallel sections| for | + |
@ -1821,6 +1841,7 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack,
// | parallel sections| cancellation | |
// | | point | ! |
// | parallel sections| cancel | ! |
// | parallel sections| taskloop | * |
// +------------------+-----------------+------------------------------------+
// | task | parallel | * |
// | task | for | + |
@ -1847,6 +1868,7 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack,
// | task | cancellation | |
// | | point | ! |
// | task | cancel | ! |
// | task | taskloop | * |
// +------------------+-----------------+------------------------------------+
// | ordered | parallel | * |
// | ordered | for | + |
@ -1873,6 +1895,7 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack,
// | ordered | cancellation | |
// | | point | |
// | ordered | cancel | |
// | ordered | taskloop | * |
// +------------------+-----------------+------------------------------------+
// | atomic | parallel | |
// | atomic | for | |
@ -1899,6 +1922,7 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack,
// | atomic | cancellation | |
// | | point | |
// | atomic | cancel | |
// | atomic | taskloop | |
// +------------------+-----------------+------------------------------------+
// | target | parallel | * |
// | target | for | * |
@ -1925,6 +1949,7 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack,
// | target | cancellation | |
// | | point | |
// | target | cancel | |
// | target | taskloop | * |
// +------------------+-----------------+------------------------------------+
// | teams | parallel | * |
// | teams | for | + |
@ -1951,6 +1976,34 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack,
// | 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();
@ -2021,7 +2074,8 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack,
// 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
@ -2058,7 +2112,8 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack,
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]
@ -2067,7 +2122,8 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack,
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]
@ -2080,6 +2136,7 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack,
// that can appear in the simd region.
NestingProhibited = ParentRegion == OMPD_critical ||
ParentRegion == OMPD_task ||
ParentRegion == OMPD_taskloop ||
!(isOpenMPSimdDirective(ParentRegion) ||
Stack->isParentOrderedRegion());
Recommend = ShouldBeInOrderedRegion;
@ -2357,6 +2414,11 @@ StmtResult Sema::ActOnOpenMPExecutableDirective(
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:
@ -3185,9 +3247,10 @@ static bool CheckOpenMPIterationSpace(
: 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)
@ -3222,7 +3285,8 @@ static bool CheckOpenMPIterationSpace(
// 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();
@ -3530,7 +3594,7 @@ CheckOpenMPLoop(OpenMPDirectiveKind DKind, Expr *CollapseLoopCountExpr,
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);
@ -3578,7 +3642,7 @@ CheckOpenMPLoop(OpenMPDirectiveKind DKind, Expr *CollapseLoopCountExpr,
{
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);
@ -3588,7 +3652,7 @@ CheckOpenMPLoop(OpenMPDirectiveKind DKind, Expr *CollapseLoopCountExpr,
// 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());
@ -3608,7 +3672,7 @@ CheckOpenMPLoop(OpenMPDirectiveKind DKind, Expr *CollapseLoopCountExpr,
// 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())
@ -5067,6 +5131,32 @@ StmtResult Sema::ActOnOpenMPCancelDirective(ArrayRef<OMPClause *> Clauses,
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,

11
clang/lib/Sema/TreeTransform.h
View File

@ -7342,6 +7342,17 @@ TreeTransform<Derived>::TransformOMPCancelDirective(OMPCancelDirective *D) {
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
//===----------------------------------------------------------------------===//

12
clang/lib/Serialization/ASTReaderStmt.cpp
View File

@ -2412,6 +2412,10 @@ void ASTStmtReader::VisitOMPCancelDirective(OMPCancelDirective *D) {
D->setCancelRegion(static_cast<OpenMPDirectiveKind>(Record[Idx++]));
}
void ASTStmtReader::VisitOMPTaskLoopDirective(OMPTaskLoopDirective *D) {
VisitOMPLoopDirective(D);
}
//===----------------------------------------------------------------------===//
// ASTReader Implementation
//===----------------------------------------------------------------------===//
@ -3034,6 +3038,14 @@ Stmt *ASTReader::ReadStmtFromStream(ModuleFile &F) {
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;

5
clang/lib/Serialization/ASTWriterStmt.cpp
View File

@ -2239,6 +2239,11 @@ void ASTStmtWriter::VisitOMPCancelDirective(OMPCancelDirective *D) {
Code = serialization::STMT_OMP_CANCEL_DIRECTIVE;
}
void ASTStmtWriter::VisitOMPTaskLoopDirective(OMPTaskLoopDirective *D) {
VisitOMPLoopDirective(D);
Code = serialization::STMT_OMP_TASKLOOP_DIRECTIVE;
}
//===----------------------------------------------------------------------===//
// ASTWriter Implementation
//===----------------------------------------------------------------------===//

1
clang/lib/StaticAnalyzer/Core/ExprEngine.cpp
View File

@ -829,6 +829,7 @@ void ExprEngine::Visit(const Stmt *S, ExplodedNode *Pred,
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:

510
clang/test/OpenMP/nesting_of_regions.cpp
View File

@ -100,6 +100,12 @@ 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
@ -227,6 +233,12 @@ void foo() {
#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
@ -377,6 +389,12 @@ void foo() {
#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
@ -504,6 +522,12 @@ void foo() {
#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
@ -661,6 +685,12 @@ void foo() {
#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}}
@ -854,6 +884,13 @@ void foo() {
#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
@ -994,6 +1031,12 @@ void foo() {
#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
@ -1134,6 +1177,12 @@ void foo() {
#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
@ -1288,6 +1337,12 @@ void foo() {
#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
@ -1443,6 +1498,12 @@ void foo() {
#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
@ -1598,6 +1659,12 @@ void foo() {
#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
@ -1744,6 +1811,12 @@ void foo() {
#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
@ -1836,6 +1909,12 @@ void foo() {
#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
@ -1976,6 +2055,12 @@ void foo() {
#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
@ -2145,6 +2230,14 @@ void foo() {
#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
@ -2250,6 +2343,12 @@ void foo() {
#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
@ -2370,6 +2469,164 @@ void foo() {
#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() {
@ -2469,6 +2726,12 @@ 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
@ -2589,6 +2852,12 @@ void foo() {
#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
@ -2729,6 +2998,12 @@ void foo() {
#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
@ -2849,6 +3124,12 @@ void foo() {
#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
@ -2981,6 +3262,12 @@ void foo() {
#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}}
@ -3180,6 +3467,15 @@ void foo() {
++a;
}
}
#pragma omp sections
{
#pragma omp section
{
#pragma omp taskloop
for (int i = 0; i < 10; ++i)
++a;
}
}
// SINGLE DIRECTIVE
#pragma omp single
@ -3310,6 +3606,12 @@ void foo() {
#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
@ -3450,6 +3752,12 @@ void foo() {
#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
@ -3609,6 +3917,12 @@ void foo() {
#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
@ -3764,6 +4078,12 @@ void foo() {
#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
@ -3919,6 +4239,12 @@ void foo() {
#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
@ -4061,6 +4387,12 @@ void foo() {
#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
@ -4152,6 +4484,12 @@ void foo() {
#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
@ -4321,6 +4659,14 @@ void foo() {
#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
@ -4426,6 +4772,12 @@ void foo() {
#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
@ -4546,6 +4898,164 @@ void foo() {
#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>();
}

74
clang/test/OpenMP/taskloop_ast_print.cpp Normal file
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@ -0,0 +1,74 @@
// 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

83
clang/test/OpenMP/taskloop_collapse_messages.cpp Normal file
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@ -0,0 +1,83 @@
// 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);
}

313
clang/test/OpenMP/taskloop_firstprivate_messages.cpp Normal file
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@ -0,0 +1,313 @@
// 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}}
}

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// 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}}
}

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// 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)
;
}

369
clang/test/OpenMP/taskloop_misc_messages.c Normal file
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// 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];
}
}

195
clang/test/OpenMP/taskloop_private_messages.cpp Normal file
View File

@ -0,0 +1,195 @@
// 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;
}

7
clang/tools/libclang/CIndex.cpp
View File

@ -1942,6 +1942,7 @@ public:
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);
@ -2607,6 +2608,10 @@ void EnqueueVisitor::VisitOMPCancelDirective(const OMPCancelDirective *D) {
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);
}
@ -4463,6 +4468,8 @@ CXString clang_getCursorKindSpelling(enum CXCursorKind Kind) {
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:

3
clang/tools/libclang/CXCursor.cpp
View File

@ -607,6 +607,9 @@ CXCursor cxcursor::MakeCXCursor(const Stmt *S, const Decl *Parent,
case Stmt::OMPCancelDirectiveClass:
K = CXCursor_OMPCancelDirective;
break;
case Stmt::OMPTaskLoopDirectiveClass:
K = CXCursor_OMPTaskLoopDirective;
break;
}
CXCursor C = { K, 0, { Parent, S, TU } };