commit 22695fcec3b206eec0e04c52a089c8b4c520d24b
author Dan Gohman <gohman@apple.com> Fri Sep 28 21:58:29 2012 +0000
committer Dan Gohman <gohman@apple.com> Fri Sep 28 21:58:29 2012 +0000
tree 07972f1110fb073ede511d9e524d54e5663777e7
parent 3852b3e1891939f4cc008025494b07894a408707

Add basic support for adding !tbaa.struct metadata on llvm.memcpy calls for
struct assignment.

llvm-svn: 164853

clang/lib/CodeGen/CodeGenModule.cpp

diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index 0a33e80..164031a 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -202,6 +202,12 @@
   return TBAA->getTBAAInfoForVTablePtr();
 }
 
+llvm::MDNode *CodeGenModule::getTBAAStructInfo(QualType QTy) {
+  if (!TBAA)
+    return 0;
+  return TBAA->getTBAAStructInfo(QTy);
+}
+
 void CodeGenModule::DecorateInstruction(llvm::Instruction *Inst,
                                         llvm::MDNode *TBAAInfo) {
   Inst->setMetadata(llvm::LLVMContext::MD_tbaa, TBAAInfo);