CodeGen: Compiler generated __declspec(uuid) objects should be COMDAT'd

llvm-svn: 226628
2015-01-21 01:04:28 +00:00
parent 34bcbeed03
commit 740d59ec49
2 changed files with 5 additions and 2 deletions
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -1274,6 +1274,8 @@ llvm::Constant *CodeGenModule::GetAddrOfUuidDescriptor(
  auto *GV = new llvm::GlobalVariable(
      getModule(), Init->getType(),
      /*isConstant=*/true, llvm::GlobalValue::LinkOnceODRLinkage, Init, Name);
+  if (supportsCOMDAT())
+    GV->setComdat(TheModule.getOrInsertComdat(GV->getName()));
  return GV;
 }