add tbaa metadata to vtable pointer loads/stores

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153447 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 0 deletions

diff --git a/lib/CodeGen/CodeGenModule.cpp b/lib/CodeGen/CodeGenModule.cpp
index 1c8f5f65f9..cc19d950fc 100644
--- a/lib/CodeGen/CodeGenModule.cpp
+++ b/lib/CodeGen/CodeGenModule.cpp
@@ -182,6 +182,12 @@ llvm::MDNode *CodeGenModule::getTBAAInfo(QualType QTy) {
   return TBAA->getTBAAInfo(QTy);
 }
 
+llvm::MDNode *CodeGenModule::getTBAAInfoForVTablePtr() {
+  if (!TBAA)
+    return 0;
+  return TBAA->getTBAAInfoForVTablePtr();
+}
+
 void CodeGenModule::DecorateInstruction(llvm::Instruction *Inst,
                                         llvm::MDNode *TBAAInfo) {
   Inst->setMetadata(llvm::LLVMContext::MD_tbaa, TBAAInfo);