/** \brief OpenMP flush directive.
*/
CXCursor_OMPFlushDirective = 246,
+
+ /** \brief OpenMP ordered directive.
+ */
+ CXCursor_OMPOrderedDirective = 247,
/** \brief Windows Structured Exception Handling's leave statement.
*/
- CXCursor_SEHLeaveStmt = 247,
+ CXCursor_SEHLeaveStmt = 248,
CXCursor_LastStmt = CXCursor_SEHLeaveStmt,
DEF_TRAVERSE_STMT(OMPFlushDirective,
{ TRY_TO(TraverseOMPExecutableDirective(S)); })
+DEF_TRAVERSE_STMT(OMPOrderedDirective,
+ { TRY_TO(TraverseOMPExecutableDirective(S)); })
+
// OpenMP clauses.
template <typename Derived>
bool RecursiveASTVisitor<Derived>::TraverseOMPClause(OMPClause *C) {
DEF_TRAVERSE_STMT(OMPFlushDirective,
{ TRY_TO(TraverseOMPExecutableDirective(S)); })
+DEF_TRAVERSE_STMT(OMPOrderedDirective,
+ { TRY_TO(TraverseOMPExecutableDirective(S)); })
+
// OpenMP clauses.
template <typename Derived>
bool RecursiveASTVisitor<Derived>::TraverseOMPClause(OMPClause *C) {
}
};
+/// \brief This represents '#pragma omp ordered' directive.
+///
+/// \code
+/// #pragma omp ordered
+/// \endcode
+///
+class OMPOrderedDirective : public OMPExecutableDirective {
+ 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.
+ ///
+ OMPOrderedDirective(SourceLocation StartLoc, SourceLocation EndLoc)
+ : OMPExecutableDirective(this, OMPOrderedDirectiveClass, OMPD_ordered,
+ StartLoc, EndLoc, 0, 1) {}
+
+ /// \brief Build an empty directive.
+ ///
+ explicit OMPOrderedDirective()
+ : OMPExecutableDirective(this, OMPOrderedDirectiveClass, OMPD_ordered,
+ SourceLocation(), SourceLocation(), 0, 1) {}
+
+public:
+ /// \brief Creates directive.
+ ///
+ /// \param C AST context.
+ /// \param StartLoc Starting location of the directive kind.
+ /// \param EndLoc Ending Location of the directive.
+ /// \param AssociatedStmt Statement, associated with the directive.
+ ///
+ static OMPOrderedDirective *Create(const ASTContext &C,
+ SourceLocation StartLoc,
+ SourceLocation EndLoc,
+ Stmt *AssociatedStmt);
+
+ /// \brief Creates an empty directive.
+ ///
+ /// \param C AST context.
+ ///
+ static OMPOrderedDirective *CreateEmpty(const ASTContext &C, EmptyShell);
+
+ static bool classof(const Stmt *T) {
+ return T->getStmtClass() == OMPOrderedDirectiveClass;
+ }
+};
+
} // end namespace clang
#endif
"variable of type %0 is not valid for specified reduction operation">;
def err_omp_prohibited_region : Error<
"region cannot be%select{| closely}0 nested inside '%1' region"
- "%select{|; perhaps you forget to enclose 'omp %3' directive into a parallel region?}2">;
+ "%select{|; perhaps you forget to enclose 'omp %3' directive into a parallel region?|"
+ "; perhaps you forget to enclose 'omp %3' directive into a for or a parallel for region with 'ordered' clause?}2">;
def err_omp_prohibited_region_simd : Error<
"OpenMP constructs may not be nested inside a simd region">;
def err_omp_prohibited_region_critical_same_name : Error<
OPENMP_DIRECTIVE(barrier)
OPENMP_DIRECTIVE(taskwait)
OPENMP_DIRECTIVE(flush)
+OPENMP_DIRECTIVE(ordered)
OPENMP_DIRECTIVE_EXT(parallel_for, "parallel for")
OPENMP_DIRECTIVE_EXT(parallel_sections, "parallel sections")
def OMPBarrierDirective : DStmt<OMPExecutableDirective>;
def OMPTaskwaitDirective : DStmt<OMPExecutableDirective>;
def OMPFlushDirective : DStmt<OMPExecutableDirective>;
+def OMPOrderedDirective : DStmt<OMPExecutableDirective>;
StmtResult ActOnOpenMPFlushDirective(ArrayRef<OMPClause *> Clauses,
SourceLocation StartLoc,
SourceLocation EndLoc);
+ /// \brief Called on well-formed '\#pragma omp master' after parsing of the
+ /// associated statement.
+ StmtResult ActOnOpenMPOrderedDirective(Stmt *AStmt, SourceLocation StartLoc,
+ SourceLocation EndLoc);
OMPClause *ActOnOpenMPSingleExprClause(OpenMPClauseKind Kind,
Expr *Expr,
STMT_OMP_BARRIER_DIRECTIVE,
STMT_OMP_TASKWAIT_DIRECTIVE,
STMT_OMP_FLUSH_DIRECTIVE,
+ STMT_OMP_ORDERED_DIRECTIVE,
// ARC
EXPR_OBJC_BRIDGED_CAST, // ObjCBridgedCastExpr
return new (Mem) OMPFlushDirective(NumClauses);
}
+OMPOrderedDirective *OMPOrderedDirective::Create(const ASTContext &C,
+ SourceLocation StartLoc,
+ SourceLocation EndLoc,
+ Stmt *AssociatedStmt) {
+ unsigned Size = llvm::RoundUpToAlignment(sizeof(OMPOrderedDirective),
+ llvm::alignOf<Stmt *>());
+ void *Mem = C.Allocate(Size + sizeof(Stmt *));
+ OMPOrderedDirective *Dir = new (Mem) OMPOrderedDirective(StartLoc, EndLoc);
+ Dir->setAssociatedStmt(AssociatedStmt);
+ return Dir;
+}
+
+OMPOrderedDirective *OMPOrderedDirective::CreateEmpty(const ASTContext &C,
+ EmptyShell) {
+ unsigned Size = llvm::RoundUpToAlignment(sizeof(OMPOrderedDirective),
+ llvm::alignOf<Stmt *>());
+ void *Mem = C.Allocate(Size + sizeof(Stmt *));
+ return new (Mem) OMPOrderedDirective();
+}
+
PrintOMPExecutableDirective(Node);
}
+void StmtPrinter::VisitOMPOrderedDirective(OMPOrderedDirective *Node) {
+ Indent() << "#pragma omp ordered";
+ PrintOMPExecutableDirective(Node);
+}
+
//===----------------------------------------------------------------------===//
// Expr printing methods.
//===----------------------------------------------------------------------===//
VisitOMPExecutableDirective(S);
}
+void StmtProfiler::VisitOMPOrderedDirective(const OMPOrderedDirective *S) {
+ VisitOMPExecutableDirective(S);
+}
+
void StmtProfiler::VisitExpr(const Expr *S) {
VisitStmt(S);
}
case OMPD_taskyield:
case OMPD_barrier:
case OMPD_taskwait:
+ case OMPD_ordered:
break;
}
return false;
case Stmt::OMPFlushDirectiveClass:
EmitOMPFlushDirective(cast<OMPFlushDirective>(*S));
break;
+ case Stmt::OMPOrderedDirectiveClass:
+ EmitOMPOrderedDirective(cast<OMPOrderedDirective>(*S));
+ break;
}
}
llvm_unreachable("CodeGen for 'omp flush' is not supported yet.");
}
+void CodeGenFunction::EmitOMPOrderedDirective(const OMPOrderedDirective &) {
+ llvm_unreachable("CodeGen for 'omp ordered' is not supported yet.");
+}
+
void EmitOMPBarrierDirective(const OMPBarrierDirective &S);
void EmitOMPTaskwaitDirective(const OMPTaskwaitDirective &S);
void EmitOMPFlushDirective(const OMPFlushDirective &S);
+ void EmitOMPOrderedDirective(const OMPOrderedDirective &S);
//===--------------------------------------------------------------------===//
// LValue Expression Emission
case OMPD_section:
case OMPD_single:
case OMPD_master:
+ case OMPD_ordered:
case OMPD_critical:
case OMPD_parallel_for:
case OMPD_parallel_sections:
/// annot_pragma_openmp 'parallel' | 'simd' | 'for' | 'sections' |
/// 'section' | 'single' | 'master' | 'critical' [ '(' <name> ')' ] |
/// 'parallel for' | 'parallel sections' | 'task' | 'taskyield' |
-/// 'barrier' | 'taskwait' | 'flush' {clause} annot_pragma_openmp_end
+/// 'barrier' | 'taskwait' | 'flush' | 'ordered' {clause}
+/// annot_pragma_openmp_end
///
StmtResult
Parser::ParseOpenMPDeclarativeOrExecutableDirective(bool StandAloneAllowed) {
case OMPD_critical:
case OMPD_parallel_for:
case OMPD_parallel_sections:
- case OMPD_task: {
+ case OMPD_task:
+ case OMPD_ordered: {
ConsumeToken();
// Parse directive name of the 'critical' directive if any.
if (DKind == OMPD_critical) {
DeclarationNameInfo DirectiveName;
Scope *CurScope;
SourceLocation ConstructLoc;
+ bool OrderedRegion;
SharingMapTy(OpenMPDirectiveKind DKind, DeclarationNameInfo Name,
Scope *CurScope, SourceLocation Loc)
: SharingMap(), AlignedMap(), DefaultAttr(DSA_unspecified),
Directive(DKind), DirectiveName(std::move(Name)), CurScope(CurScope),
- ConstructLoc(Loc) {}
+ ConstructLoc(Loc), OrderedRegion(false) {}
SharingMapTy()
: SharingMap(), AlignedMap(), DefaultAttr(DSA_unspecified),
Directive(OMPD_unknown), DirectiveName(), CurScope(nullptr),
- ConstructLoc() {}
+ ConstructLoc(), OrderedRegion(false) {}
};
typedef SmallVector<SharingMapTy, 64> StackTy;
return isOpenMPThreadPrivate(DVar.CKind);
}
+ /// \brief Marks current region as ordered (it has an 'ordered' clause).
+ void setOrderedRegion(bool IsOrdered = true) {
+ Stack.back().OrderedRegion = IsOrdered;
+ }
+ /// \brief Returns true, if parent region is ordered (has associated
+ /// 'ordered' clause), false - otherwise.
+ bool isParentOrderedRegion() const {
+ if (Stack.size() > 2)
+ return Stack[Stack.size() - 2].OrderedRegion;
+ return false;
+ }
+
Scope *getCurScope() const { return Stack.back().CurScope; }
Scope *getCurScope() { return Stack.back().CurScope; }
SourceLocation getConstructLoc() { return Stack.back().ConstructLoc; }
Params);
break;
}
+ case OMPD_ordered: {
+ Sema::CapturedParamNameType Params[] = {
+ std::make_pair(StringRef(), QualType()) // __context with shared vars
+ };
+ ActOnCapturedRegionStart(DSAStack->getConstructLoc(), CurScope, CR_OpenMP,
+ Params);
+ break;
+ }
case OMPD_threadprivate:
llvm_unreachable("OpenMP Directive is not allowed");
case OMPD_unknown:
// | parallel | barrier | * |
// | parallel | taskwait | * |
// | parallel | flush | * |
+ // | parallel | ordered | + |
// +------------------+-----------------+------------------------------------+
// | for | parallel | * |
// | for | for | + |
// | for | barrier | + |
// | for | taskwait | * |
// | for | flush | * |
+ // | for | ordered | * (if construct is ordered) |
// +------------------+-----------------+------------------------------------+
// | master | parallel | * |
// | master | for | + |
// | master | barrier | + |
// | master | taskwait | * |
// | master | flush | * |
+ // | master | ordered | + |
// +------------------+-----------------+------------------------------------+
// | critical | parallel | * |
// | critical | for | + |
// | critical | master | * |
- // | critical | critical | * (should have dirrerent names) |
+ // | critical | critical | * (should have different names) |
// | critical | simd | * |
// | critical | sections | + |
// | critical | section | + |
// | critical | taskyield | * |
// | critical | barrier | + |
// | critical | taskwait | * |
+ // | critical | ordered | + |
// +------------------+-----------------+------------------------------------+
// | simd | parallel | |
// | simd | for | |
// | simd | barrier | |
// | simd | taskwait | |
// | simd | flush | |
+ // | simd | ordered | |
// +------------------+-----------------+------------------------------------+
// | sections | parallel | * |
// | sections | for | + |
// | sections | barrier | + |
// | sections | taskwait | * |
// | sections | flush | * |
+ // | sections | ordered | + |
// +------------------+-----------------+------------------------------------+
// | section | parallel | * |
// | section | for | + |
// | section | barrier | + |
// | section | taskwait | * |
// | section | flush | * |
+ // | section | ordered | + |
// +------------------+-----------------+------------------------------------+
// | single | parallel | * |
// | single | for | + |
// | single | barrier | + |
// | single | taskwait | * |
// | single | flush | * |
+ // | single | ordered | + |
// +------------------+-----------------+------------------------------------+
// | parallel for | parallel | * |
// | parallel for | for | + |
// | parallel for | barrier | + |
// | parallel for | taskwait | * |
// | parallel for | flush | * |
+ // | parallel for | ordered | * (if construct is ordered) |
// +------------------+-----------------+------------------------------------+
// | parallel sections| parallel | * |
// | parallel sections| for | + |
// | parallel sections| barrier | + |
// | parallel sections| taskwait | * |
// | parallel sections| flush | * |
+ // | parallel sections| ordered | + |
// +------------------+-----------------+------------------------------------+
// | task | parallel | * |
// | task | for | + |
// | task | barrier | + |
// | task | taskwait | * |
// | task | flush | * |
+ // | task | ordered | + |
+ // +------------------+-----------------+------------------------------------+
+ // | ordered | parallel | * |
+ // | ordered | for | + |
+ // | ordered | master | * |
+ // | ordered | critical | * |
+ // | ordered | simd | * |
+ // | ordered | sections | + |
+ // | ordered | section | + |
+ // | ordered | single | + |
+ // | ordered | parallel for | * |
+ // | ordered |parallel sections| * |
+ // | ordered | task | * |
+ // | ordered | taskyield | * |
+ // | ordered | barrier | + |
+ // | ordered | taskwait | * |
+ // | ordered | flush | * |
+ // | ordered | ordered | + |
// +------------------+-----------------+------------------------------------+
if (Stack->getCurScope()) {
auto ParentRegion = Stack->getParentDirective();
bool NestingProhibited = false;
bool CloseNesting = true;
- bool ShouldBeInParallelRegion = false;
+ enum {
+ NoRecommend,
+ ShouldBeInParallelRegion,
+ ShouldBeInOrderedRegion
+ } Recommend = NoRecommend;
if (isOpenMPSimdDirective(ParentRegion)) {
// OpenMP [2.16, Nesting of Regions]
// OpenMP constructs may not be nested inside a simd region.
}
return false;
}
+ // Allow some constructs to be orphaned (they could be used in functions,
+ // called from OpenMP regions with the required preconditions).
+ if (ParentRegion == OMPD_unknown)
+ return false;
if (CurrentRegion == OMPD_master) {
// OpenMP [2.16, Nesting of Regions]
// A master region may not be closely nested inside a worksharing,
} else if (CurrentRegion == OMPD_barrier) {
// OpenMP [2.16, Nesting of Regions]
// A barrier region may not be closely nested inside a worksharing,
- // explicit task, critical, ordered(TODO), atomic(TODO), or master
- // region.
- NestingProhibited = isOpenMPWorksharingDirective(ParentRegion) ||
- ParentRegion == OMPD_task ||
- ParentRegion == OMPD_master ||
- ParentRegion == OMPD_critical;
+ // explicit task, critical, ordered, atomic(TODO), or master region.
+ NestingProhibited =
+ isOpenMPWorksharingDirective(ParentRegion) ||
+ ParentRegion == OMPD_task || ParentRegion == OMPD_master ||
+ ParentRegion == OMPD_critical || ParentRegion == OMPD_ordered;
} else if (isOpenMPWorksharingDirective(CurrentRegion) &&
!isOpenMPParallelDirective(CurrentRegion) &&
!isOpenMPSimdDirective(CurrentRegion)) {
// A worksharing region may not be closely nested inside a worksharing,
// explicit task, critical, ordered, atomic, or master region.
// TODO
- NestingProhibited = (isOpenMPWorksharingDirective(ParentRegion) &&
- !isOpenMPSimdDirective(ParentRegion)) ||
+ NestingProhibited =
+ (isOpenMPWorksharingDirective(ParentRegion) &&
+ !isOpenMPSimdDirective(ParentRegion)) ||
+ ParentRegion == OMPD_task || ParentRegion == OMPD_master ||
+ ParentRegion == OMPD_critical || ParentRegion == OMPD_ordered;
+ Recommend = ShouldBeInParallelRegion;
+ } else if (CurrentRegion == OMPD_ordered) {
+ // OpenMP [2.16, Nesting of Regions]
+ // An ordered region may not be closely nested inside a critical,
+ // atomic(TODO), or explicit task region.
+ // An ordered region must be closely nested inside a loop region (or
+ // parallel loop region) with an ordered clause.
+ NestingProhibited = ParentRegion == OMPD_critical ||
ParentRegion == OMPD_task ||
- ParentRegion == OMPD_master ||
- ParentRegion == OMPD_critical;
- ShouldBeInParallelRegion = true;
+ !Stack->isParentOrderedRegion();
+ Recommend = ShouldBeInOrderedRegion;
}
if (NestingProhibited) {
SemaRef.Diag(StartLoc, diag::err_omp_prohibited_region)
- << CloseNesting << getOpenMPDirectiveName(ParentRegion)
- << ShouldBeInParallelRegion << getOpenMPDirectiveName(CurrentRegion);
+ << CloseNesting << getOpenMPDirectiveName(ParentRegion) << Recommend
+ << getOpenMPDirectiveName(CurrentRegion);
return true;
}
}
"No associated statement allowed for 'omp flush' directive");
Res = ActOnOpenMPFlushDirective(ClausesWithImplicit, StartLoc, EndLoc);
break;
+ case OMPD_ordered:
+ assert(ClausesWithImplicit.empty() &&
+ "No clauses are allowed for 'omp ordered' directive");
+ Res = ActOnOpenMPOrderedDirective(AStmt, StartLoc, EndLoc);
+ break;
case OMPD_threadprivate:
llvm_unreachable("OpenMP Directive is not allowed");
case OMPD_unknown:
return OMPFlushDirective::Create(Context, StartLoc, EndLoc, Clauses);
}
+StmtResult Sema::ActOnOpenMPOrderedDirective(Stmt *AStmt,
+ SourceLocation StartLoc,
+ SourceLocation EndLoc) {
+ assert(AStmt && isa<CapturedStmt>(AStmt) && "Captured statement expected");
+
+ getCurFunction()->setHasBranchProtectedScope();
+
+ return OMPOrderedDirective::Create(Context, StartLoc, EndLoc, AStmt);
+}
+
OMPClause *Sema::ActOnOpenMPSingleExprClause(OpenMPClauseKind Kind, Expr *Expr,
SourceLocation StartLoc,
SourceLocation LParenLoc,
OMPClause *Sema::ActOnOpenMPOrderedClause(SourceLocation StartLoc,
SourceLocation EndLoc) {
+ DSAStack->setOrderedRegion();
return new (Context) OMPOrderedClause(StartLoc, EndLoc);
}
return Res;
}
+template <typename Derived>
+StmtResult
+TreeTransform<Derived>::TransformOMPOrderedDirective(OMPOrderedDirective *D) {
+ DeclarationNameInfo DirName;
+ getDerived().getSema().StartOpenMPDSABlock(OMPD_ordered, DirName, nullptr,
+ D->getLocStart());
+ StmtResult Res = getDerived().TransformOMPExecutableDirective(D);
+ getDerived().getSema().EndOpenMPDSABlock(Res.get());
+ return Res;
+}
+
//===----------------------------------------------------------------------===//
// OpenMP clause transformation
//===----------------------------------------------------------------------===//
VisitOMPExecutableDirective(D);
}
+void ASTStmtReader::VisitOMPOrderedDirective(OMPOrderedDirective *D) {
+ VisitStmt(D);
+ VisitOMPExecutableDirective(D);
+}
+
//===----------------------------------------------------------------------===//
// ASTReader Implementation
//===----------------------------------------------------------------------===//
Context, Record[ASTStmtReader::NumStmtFields], Empty);
break;
+ case STMT_OMP_ORDERED_DIRECTIVE:
+ S = OMPOrderedDirective::CreateEmpty(Context, Empty);
+ break;
+
case EXPR_CXX_OPERATOR_CALL:
S = new (Context) CXXOperatorCallExpr(Context, Empty);
break;
Code = serialization::STMT_OMP_FLUSH_DIRECTIVE;
}
+void ASTStmtWriter::VisitOMPOrderedDirective(OMPOrderedDirective *D) {
+ VisitStmt(D);
+ VisitOMPExecutableDirective(D);
+ Code = serialization::STMT_OMP_ORDERED_DIRECTIVE;
+}
+
//===----------------------------------------------------------------------===//
// ASTWriter Implementation
//===----------------------------------------------------------------------===//
case Stmt::OMPBarrierDirectiveClass:
case Stmt::OMPTaskwaitDirectiveClass:
case Stmt::OMPFlushDirectiveClass:
+ case Stmt::OMPOrderedDirectiveClass:
llvm_unreachable("Stmt should not be in analyzer evaluation loop");
case Stmt::ObjCSubscriptRefExprClass:
#pragma omp flush
bar();
}
+#pragma omp parallel
+ {
+#pragma omp ordered // expected-error {{region cannot be closely nested inside 'parallel' region; perhaps you forget to enclose 'omp ordered' directive into a for or a parallel for region with 'ordered' clause?}}
+ bar();
+ }
// SIMD DIRECTIVE
#pragma omp simd
#pragma omp flush // expected-error {{OpenMP constructs may not be nested inside a simd region}}
bar();
}
+#pragma omp simd
+ for (int i = 0; i < 10; ++i) {
+#pragma omp ordered // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+ bar();
+ }
// FOR DIRECTIVE
#pragma omp for
#pragma omp flush
bar();
}
+#pragma omp for
+ for (int i = 0; i < 10; ++i) {
+#pragma omp ordered // expected-error {{region cannot be closely nested inside 'for' region; perhaps you forget to enclose 'omp ordered' directive into a for or a parallel for region with 'ordered' clause?}}
+ bar();
+ }
+#pragma omp for ordered
+ for (int i = 0; i < 10; ++i) {
+#pragma omp ordered // OK
+ bar();
+ }
// SECTIONS DIRECTIVE
#pragma omp sections
{
#pragma omp flush
}
+#pragma omp sections
+ {
+#pragma omp ordered // expected-error {{region cannot be closely nested inside 'sections' region; perhaps you forget to enclose 'omp ordered' directive into a for or a parallel for region with 'ordered' clause?}}
+ bar();
+ }
// SECTION DIRECTIVE
#pragma omp section // expected-error {{orphaned 'omp section' directives are prohibited, it must be closely nested to a sections region}}
bar();
}
}
+#pragma omp sections
+ {
+#pragma omp section
+ {
+#pragma omp ordered // expected-error {{region cannot be closely nested inside 'section' region; perhaps you forget to enclose 'omp ordered' directive into a for or a parallel for region with 'ordered' clause?}}
+ bar();
+ }
+ }
// SINGLE DIRECTIVE
#pragma omp single
#pragma omp flush
bar();
}
+#pragma omp single
+ {
+#pragma omp ordered // expected-error {{region cannot be closely nested inside 'single' region; perhaps you forget to enclose 'omp ordered' directive into a for or a parallel for region with 'ordered' clause?}}
+ bar();
+ }
// MASTER DIRECTIVE
#pragma omp master
#pragma omp flush
bar();
}
+#pragma omp master
+ {
+#pragma omp ordered // expected-error {{region cannot be closely nested inside 'master' region; perhaps you forget to enclose 'omp ordered' directive into a for or a parallel for region with 'ordered' clause?}}
+ bar();
+ }
// CRITICAL DIRECTIVE
#pragma omp critical
}
}
}
+#pragma omp critical
+ {
+#pragma omp ordered // expected-error {{region cannot be closely nested inside 'critical' region; perhaps you forget to enclose 'omp ordered' directive into a for or a parallel for region with 'ordered' clause?}}
+ bar();
+ }
// PARALLEL FOR DIRECTIVE
#pragma omp parallel for
#pragma omp flush
bar();
}
+#pragma omp parallel for
+ for (int i = 0; i < 10; ++i) {
+#pragma omp ordered // expected-error {{region cannot be closely nested inside 'parallel for' region; perhaps you forget to enclose 'omp ordered' directive into a for or a parallel for region with 'ordered' clause?}}
+ bar();
+ }
+#pragma omp parallel for ordered
+ for (int i = 0; i < 10; ++i) {
+#pragma omp ordered // OK
+ bar();
+ }
// PARALLEL SECTIONS DIRECTIVE
#pragma omp parallel sections
{
#pragma omp flush
}
+#pragma omp parallel sections
+ {
+#pragma omp ordered // expected-error {{region cannot be closely nested inside 'parallel sections' region; perhaps you forget to enclose 'omp ordered' directive into a for or a parallel for region with 'ordered' clause?}}
+ bar();
+ }
// TASK DIRECTIVE
#pragma omp task
#pragma omp flush
bar();
}
+#pragma omp task
+ {
+#pragma omp ordered // expected-error {{region cannot be closely nested inside 'task' region; perhaps you forget to enclose 'omp ordered' directive into a for or a parallel for region with 'ordered' clause?}}
+ bar();
+ }
+
+// ORDERED DIRECTIVE
+#pragma omp ordered
+ {
+#pragma omp for // expected-error {{region cannot be closely nested inside 'ordered' region; perhaps you forget to enclose 'omp for' directive into a parallel region?}}
+ for (int i = 0; i < 10; ++i)
+ ;
+ }
+#pragma omp ordered
+ {
+#pragma omp simd
+ for (int i = 0; i < 10; ++i)
+ ;
+ }
+#pragma omp ordered
+ {
+#pragma omp parallel
+ for (int i = 0; i < 10; ++i)
+ ;
+ }
+#pragma omp ordered
+ {
+#pragma omp single // expected-error {{region cannot be closely nested inside 'ordered' region; perhaps you forget to enclose 'omp single' directive into a parallel region?}}
+ {
+ bar();
+ }
+ }
+#pragma omp ordered
+ {
+#pragma omp master // OK, though second 'ordered' is redundant
+ {
+ bar();
+ }
+ }
+#pragma omp ordered
+ {
+#pragma omp critical
+ {
+ bar();
+ }
+ }
+#pragma omp ordered
+ {
+#pragma omp sections // expected-error {{region cannot be closely nested inside 'ordered' region; perhaps you forget to enclose 'omp sections' directive into a parallel region?}}
+ {
+ bar();
+ }
+ }
+#pragma omp ordered
+ {
+#pragma omp parallel for ordered
+ for (int j = 0; j < 10; ++j) {
+#pragma omp ordered // OK
+ {
+ bar();
+ }
+ }
+ }
+#pragma omp ordered
+ {
+#pragma omp parallel for
+ for (int i = 0; i < 10; ++i)
+ ;
+ }
+#pragma omp ordered
+ {
+#pragma omp parallel sections
+ {
+ bar();
+ }
+ }
+#pragma omp ordered
+ {
+#pragma omp task
+ {
+ bar();
+ }
+ }
+#pragma omp ordered
+ {
+#pragma omp taskyield
+ bar();
+ }
+#pragma omp ordered
+ {
+#pragma omp barrier // expected-error {{region cannot be closely nested inside 'ordered' region}}
+ bar();
+ }
+#pragma omp ordered
+ {
+#pragma omp taskwait
+ bar();
+ }
+#pragma omp ordered
+ {
+#pragma omp flush
+ bar();
+ }
+#pragma omp ordered
+ {
+#pragma omp ordered // expected-error {{region cannot be closely nested inside 'ordered' region; perhaps you forget to enclose 'omp ordered' directive into a for or a parallel for region with 'ordered' clause?}}
+ bar();
+ }
}
void foo() {
#pragma omp flush
bar();
}
+#pragma omp parallel
+ {
+#pragma omp ordered // expected-error {{region cannot be closely nested inside 'parallel' region; perhaps you forget to enclose 'omp ordered' directive into a for or a parallel for region with 'ordered' clause?}}
+ bar();
+ }
// SIMD DIRECTIVE
#pragma omp simd
#pragma omp flush // expected-error {{OpenMP constructs may not be nested inside a simd region}}
bar();
}
+#pragma omp simd
+ for (int i = 0; i < 10; ++i) {
+#pragma omp ordered // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+ bar();
+ }
// FOR DIRECTIVE
#pragma omp for
#pragma omp flush
bar();
}
+#pragma omp for
+ for (int i = 0; i < 10; ++i) {
+#pragma omp ordered // expected-error {{region cannot be closely nested inside 'for' region; perhaps you forget to enclose 'omp ordered' directive into a for or a parallel for region with 'ordered' clause?}}
+ bar();
+ }
+#pragma omp for ordered
+ for (int i = 0; i < 10; ++i) {
+#pragma omp ordered // OK
+ bar();
+ }
// SECTIONS DIRECTIVE
#pragma omp sections
{
#pragma omp flush
}
+#pragma omp sections
+ {
+#pragma omp ordered // expected-error {{region cannot be closely nested inside 'sections' region; perhaps you forget to enclose 'omp ordered' directive into a for or a parallel for region with 'ordered' clause?}}
+ bar();
+ }
// SECTION DIRECTIVE
#pragma omp section // expected-error {{orphaned 'omp section' directives are prohibited, it must be closely nested to a sections region}}
bar();
}
}
+#pragma omp sections
+ {
+#pragma omp section
+ {
+#pragma omp ordered // expected-error {{region cannot be closely nested inside 'section' region; perhaps you forget to enclose 'omp ordered' directive into a for or a parallel for region with 'ordered' clause?}}
+ bar();
+ }
+ }
// SINGLE DIRECTIVE
#pragma omp single
#pragma omp flush
bar();
}
+#pragma omp single
+ {
+#pragma omp ordered // expected-error {{region cannot be closely nested inside 'single' region; perhaps you forget to enclose 'omp ordered' directive into a for or a parallel for region with 'ordered' clause?}}
+ bar();
+ }
// MASTER DIRECTIVE
#pragma omp master
#pragma omp flush
bar();
}
+#pragma omp master
+ {
+#pragma omp ordered // expected-error {{region cannot be closely nested inside 'master' region; perhaps you forget to enclose 'omp ordered' directive into a for or a parallel for region with 'ordered' clause?}}
+ bar();
+ }
// CRITICAL DIRECTIVE
#pragma omp critical
}
}
}
+#pragma omp critical
+ {
+#pragma omp ordered // expected-error {{region cannot be closely nested inside 'critical' region; perhaps you forget to enclose 'omp ordered' directive into a for or a parallel for region with 'ordered' clause?}}
+ bar();
+ }
// PARALLEL FOR DIRECTIVE
#pragma omp parallel for
#pragma omp flush
bar();
}
+#pragma omp parallel for
+ for (int i = 0; i < 10; ++i) {
+#pragma omp ordered // expected-error {{region cannot be closely nested inside 'parallel for' region; perhaps you forget to enclose 'omp ordered' directive into a for or a parallel for region with 'ordered' clause?}}
+ bar();
+ }
+#pragma omp parallel for ordered
+ for (int i = 0; i < 10; ++i) {
+#pragma omp ordered // OK
+ bar();
+ }
// PARALLEL SECTIONS DIRECTIVE
#pragma omp parallel sections
{
#pragma omp flush
}
+#pragma omp parallel sections
+ {
+#pragma omp ordered // expected-error {{region cannot be closely nested inside 'parallel sections' region; perhaps you forget to enclose 'omp ordered' directive into a for or a parallel for region with 'ordered' clause?}}
+ bar();
+ }
// TASK DIRECTIVE
#pragma omp task
#pragma omp flush
bar();
}
+#pragma omp task
+ {
+#pragma omp ordered // expected-error {{region cannot be closely nested inside 'task' region; perhaps you forget to enclose 'omp ordered' directive into a for or a parallel for region with 'ordered' clause?}}
+ bar();
+ }
return foo<int>();
}
--- /dev/null
+// RUN: %clang_cc1 -verify -fopenmp=libiomp5 -ast-print %s | FileCheck %s
+// RUN: %clang_cc1 -fopenmp=libiomp5 -x c++ -std=c++11 -emit-pch -o %t %s
+// RUN: %clang_cc1 -fopenmp=libiomp5 -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>
+T tmain (T argc) {
+ T b = argc, c, d, e, f, g;
+ static T a;
+ #pragma omp for ordered
+ for (int i =0 ; i < argc; ++i)
+ #pragma omp ordered
+ {
+ a=2;
+ }
+ return (0);
+}
+
+// CHECK: static int a;
+// CHECK-NEXT: #pragma omp for ordered
+// CHECK-NEXT: for (int i = 0; i < argc; ++i)
+// CHECK-NEXT: #pragma omp ordered
+// CHECK-NEXT: {
+// CHECK-NEXT: a = 2;
+// CHECK-NEXT: }
+
+// CHECK: static T a;
+// CHECK-NEXT: #pragma omp for ordered
+// CHECK-NEXT: for (int i = 0; i < argc; ++i)
+// CHECK-NEXT: #pragma omp ordered
+// CHECK-NEXT: {
+// CHECK-NEXT: a = 2;
+// CHECK-NEXT: }
+
+int main (int argc, char **argv) {
+ int b = argc, c, d, e, f, g;
+ static int a;
+// CHECK: static int a;
+ #pragma omp for ordered
+ for (int i =0 ; i < argc; ++i)
+ #pragma omp ordered
+ {
+ a=2;
+ }
+// CHECK-NEXT: #pragma omp for ordered
+// CHECK-NEXT: for (int i = 0; i < argc; ++i)
+// CHECK-NEXT: #pragma omp ordered
+// CHECK-NEXT: {
+// CHECK-NEXT: a = 2;
+// CHECK-NEXT: }
+ return tmain(argc);
+}
+
+#endif
--- /dev/null
+// RUN: %clang_cc1 -verify -fopenmp=libiomp5 -ferror-limit 100 -o - %s
+
+int foo();
+
+template <class T>
+T foo() {
+ #pragma omp for ordered
+ for (int i = 0; i < 10; ++i) {
+ L1:
+ foo();
+ #pragma omp ordered
+ {
+ foo();
+ goto L1; // expected-error {{use of undeclared label 'L1'}}
+ }
+ }
+ #pragma omp for ordered
+ for (int i = 0; i < 10; ++i) {
+ foo();
+ goto L2; // expected-error {{use of undeclared label 'L2'}}
+ #pragma omp ordered
+ {
+ L2:
+ foo();
+ }
+ }
+
+ return T();
+}
+
+int foo() {
+ #pragma omp for ordered
+ for (int i = 0; i < 10; ++i) {
+ L1:
+ foo();
+ #pragma omp ordered
+ {
+ foo();
+ goto L1; // expected-error {{use of undeclared label 'L1'}}
+ }
+ }
+ #pragma omp for ordered
+ for (int i = 0; i < 10; ++i) {
+ foo();
+ goto L2; // expected-error {{use of undeclared label 'L2'}}
+ #pragma omp ordered
+ {
+ L2:
+ foo();
+ }
+ }
+
+ return foo<int>();
+}
void VisitOMPBarrierDirective(const OMPBarrierDirective *D);
void VisitOMPTaskwaitDirective(const OMPTaskwaitDirective *D);
void VisitOMPFlushDirective(const OMPFlushDirective *D);
+ void VisitOMPOrderedDirective(const OMPOrderedDirective *D);
private:
void AddDeclarationNameInfo(const Stmt *S);
VisitOMPExecutableDirective(D);
}
+void EnqueueVisitor::VisitOMPOrderedDirective(const OMPOrderedDirective *D) {
+ VisitOMPExecutableDirective(D);
+}
+
void CursorVisitor::EnqueueWorkList(VisitorWorkList &WL, const Stmt *S) {
EnqueueVisitor(WL, MakeCXCursor(S, StmtParent, TU,RegionOfInterest)).Visit(S);
}
return cxstring::createRef("OMPTaskwaitDirective");
case CXCursor_OMPFlushDirective:
return cxstring::createRef("OMPFlushDirective");
+ case CXCursor_OMPOrderedDirective:
+ return cxstring::createRef("OMPOrderedDirective");
}
llvm_unreachable("Unhandled CXCursorKind");
case Stmt::OMPFlushDirectiveClass:
K = CXCursor_OMPFlushDirective;
break;
+ case Stmt::OMPOrderedDirectiveClass:
+ K = CXCursor_OMPOrderedDirective;
+ break;
}
CXCursor C = { K, 0, { Parent, S, TU } };