[OPENMP] Codegen for `distribute simd` directive.

Initial codegen support for `distribute simd` directive.

llvm-svn: 319661

1 files changed, 12 insertions, 2 deletions

diff --git a/clang/lib/Sema/SemaOpenMP.cpp b/clang/lib/Sema/SemaOpenMP.cpp
index 2a7e2f1da49..4c0fa7e6172 100644
--- a/clang/lib/Sema/SemaOpenMP.cpp
+++ b/clang/lib/Sema/SemaOpenMP.cpp
@@ -6887,14 +6887,24 @@ StmtResult Sema::ActOnOpenMPDistributeSimdDirective(
   // The point of exit cannot be a branch out of the structured block.
   // longjmp() and throw() must not violate the entry/exit criteria.
   CS->getCapturedDecl()->setNothrow();
+  for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_distribute_simd);
+       ThisCaptureLevel > 1; --ThisCaptureLevel) {
+    CS = cast<CapturedStmt>(CS->getCapturedStmt());
+    // 1.2.2 OpenMP Language Terminology
+    // Structured block - An executable statement with a single entry at the
+    // top and a single exit at the bottom.
+    // The point of exit cannot be a branch out of the structured block.
+    // longjmp() and throw() must not violate the entry/exit criteria.
+    CS->getCapturedDecl()->setNothrow();
+  }
 
   OMPLoopDirective::HelperExprs B;
   // In presence of clause 'collapse' with number of loops, it will
   // define the nested loops number.
   unsigned NestedLoopCount =
       CheckOpenMPLoop(OMPD_distribute_simd, getCollapseNumberExpr(Clauses),
-                      nullptr /*ordered not a clause on distribute*/, AStmt,
-                      *this, *DSAStack, VarsWithImplicitDSA, B);
+                      nullptr /*ordered not a clause on distribute*/, CS, *this,
+                      *DSAStack, VarsWithImplicitDSA, B);
   if (NestedLoopCount == 0)
     return StmtError();