[OPENMP] Fix for ExprWithCleanups in 'omp atomic' constructs.

This patch allows using of ExprWithCleanups expressions and other complex expressions in 'omp atomic' construct
Differential Revision: http://reviews.llvm.org/D8200

llvm-svn: 231905

1 files changed, 6 insertions, 0 deletions

diff --git a/clang/lib/CodeGen/CGStmtOpenMP.cpp b/clang/lib/CodeGen/CGStmtOpenMP.cpp
index bd8d10f81db..ed6815550f7 100644
--- a/clang/lib/CodeGen/CGStmtOpenMP.cpp
+++ b/clang/lib/CodeGen/CGStmtOpenMP.cpp
@@ -921,7 +921,13 @@ void CodeGenFunction::EmitOMPAtomicDirective(const OMPAtomicDirective &S) {
       break;
     }
   }
+
+  const auto *CS =
+      S.getAssociatedStmt()->IgnoreContainers(/*IgnoreCaptured=*/true);
+  if (const auto *EWC = dyn_cast<ExprWithCleanups>(CS))
+    enterFullExpression(EWC);
   InlinedOpenMPRegionScopeRAII Region(*this, S);
+
   EmitOMPAtomicExpr(*this, Kind, IsSeqCst, S.getX(), S.getV(), S.getExpr(),
                     S.getLocStart());
 }