[CodeGen] Record if a C++ record is a trivial type

Summary: This has a dependence on D45122 Reviewers: rnk, zturner, llvm-commits, aleksandr.urakov Reviewed By: rnk Subscribers: cfe-commits Differential Revision: https://reviews.llvm.org/D45124 llvm-svn: 337736
llvm · Jul 23, 2018 · 044326c · 044326c
1 parent 4345df3
commit 044326c
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp
@@ -2908,6 +2908,10 @@ llvm::DICompositeType *CGDebugInfo::CreateLimitedType(const RecordType *Ty) {
       Flags |= llvm::DINode::FlagTypePassByReference;
     else
       Flags |= llvm::DINode::FlagTypePassByValue;
+
+    // Record if a C++ record is trivial type.
+    if (CXXRD->isTrivial())
+      Flags |= llvm::DINode::FlagTrivial;
   }
 
   llvm::DICompositeType *RealDecl = DBuilder.createReplaceableCompositeType(