[OPENMP] Mark variables captured in declare target region as implicitly

declare target.

According to OpenMP 5.0, variables captured in lambdas in declare target
regions must be considered as implicitly declare target.

llvm-svn: 339152

1 files changed, 4 insertions, 0 deletions

diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index 8c5e0df0969..dedd57efbd9 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -1747,6 +1747,10 @@ void CodeGenModule::EmitModuleLinkOptions() {
 }
 
 void CodeGenModule::EmitDeferred() {
+  // Emit deferred declare target declarations.
+  if (getLangOpts().OpenMP && !getLangOpts().OpenMPSimd)
+    getOpenMPRuntime().emitDeferredTargetDecls();
+
   // Emit code for any potentially referenced deferred decls.  Since a
   // previously unused static decl may become used during the generation of code
   // for a static function, iterate until no changes are made.