From 141e46faf0d749356ec1de11963527aaea2b3078 Mon Sep 17 00:00:00 2001
From: Kostya Serebryany <kcc@google.com>
Date: Mon, 26 Mar 2012 17:03:51 +0000
Subject: add tbaa metadata to vtable pointer loads/stores

llvm-svn: 153447
---
 clang/lib/CodeGen/CodeGenModule.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'clang/lib/CodeGen/CodeGenModule.cpp')

diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index 1c8f5f6..cc19d95 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/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);
-- 
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