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-rw-r--r--include/clang/Basic/DiagnosticSemaKinds.td3
-rw-r--r--lib/Sema/SemaOpenMP.cpp20
-rw-r--r--test/OpenMP/nesting_of_regions.cpp2
3 files changed, 19 insertions, 6 deletions
diff --git a/include/clang/Basic/DiagnosticSemaKinds.td b/include/clang/Basic/DiagnosticSemaKinds.td
index dacc56f86f..db827a63f8 100644
--- a/include/clang/Basic/DiagnosticSemaKinds.td
+++ b/include/clang/Basic/DiagnosticSemaKinds.td
@@ -8389,6 +8389,9 @@ def err_omp_argument_type_isdeviceptr : Error <
def warn_omp_nesting_simd : Warning<
"OpenMP only allows an ordered construct with the simd clause nested in a simd construct">,
InGroup<SourceUsesOpenMP>;
+def err_omp_orphaned_device_directive : Error<
+ "orphaned 'omp %0' directives are prohibited"
+ "; perhaps you forget to enclose the directive into a %select{|||target |teams }1region?">;
} // end of OpenMP category
let CategoryName = "Related Result Type Issue" in {
diff --git a/lib/Sema/SemaOpenMP.cpp b/lib/Sema/SemaOpenMP.cpp
index 14029e20c3..33d10eb9b5 100644
--- a/lib/Sema/SemaOpenMP.cpp
+++ b/lib/Sema/SemaOpenMP.cpp
@@ -3172,6 +3172,7 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack,
auto OffendingRegion = ParentRegion;
bool NestingProhibited = false;
bool CloseNesting = true;
+ bool OrphanSeen = false;
enum {
NoRecommend,
ShouldBeInParallelRegion,
@@ -3213,9 +3214,10 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack,
}
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)
+ // Allow some constructs (except teams) to be orphaned (they could be
+ // used in functions, called from OpenMP regions with the required
+ // preconditions).
+ if (ParentRegion == OMPD_unknown && !isOpenMPTeamsDirective(CurrentRegion))
return false;
if (CurrentRegion == OMPD_cancellation_point ||
CurrentRegion == OMPD_cancel) {
@@ -3315,6 +3317,7 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack,
// If specified, a teams construct must be contained within a target
// construct.
NestingProhibited = ParentRegion != OMPD_target;
+ OrphanSeen = ParentRegion == OMPD_unknown;
Recommend = ShouldBeInTargetRegion;
Stack->setParentTeamsRegionLoc(Stack->getConstructLoc());
}
@@ -3354,9 +3357,14 @@ static bool CheckNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack,
CloseNesting = false;
}
if (NestingProhibited) {
- SemaRef.Diag(StartLoc, diag::err_omp_prohibited_region)
- << CloseNesting << getOpenMPDirectiveName(OffendingRegion)
- << Recommend << getOpenMPDirectiveName(CurrentRegion);
+ if (OrphanSeen) {
+ SemaRef.Diag(StartLoc, diag::err_omp_orphaned_device_directive)
+ << getOpenMPDirectiveName(CurrentRegion) << Recommend;
+ } else {
+ SemaRef.Diag(StartLoc, diag::err_omp_prohibited_region)
+ << CloseNesting << getOpenMPDirectiveName(OffendingRegion)
+ << Recommend << getOpenMPDirectiveName(CurrentRegion);
+ }
return true;
}
}
diff --git a/test/OpenMP/nesting_of_regions.cpp b/test/OpenMP/nesting_of_regions.cpp
index 13ef64fc27..6c44d94a67 100644
--- a/test/OpenMP/nesting_of_regions.cpp
+++ b/test/OpenMP/nesting_of_regions.cpp
@@ -3693,6 +3693,8 @@ void foo() {
}
// TEAMS DIRECTIVE
+#pragma omp teams // expected-error {{orphaned 'omp teams' directives are prohibited; perhaps you forget to enclose the directive into a target region?}}
+ bar();
#pragma omp target
#pragma omp teams
#pragma omp parallel