From 1860b520a2327702e1b50455c87882879eb777d3 Mon Sep 17 00:00:00 2001
From: "Ivan A. Kosarev" <ikosarev@accesssoftek.com>
Date: Thu, 25 Jan 2018 14:21:55 +0000
Subject: [CodeGen] Decorate aggregate accesses with TBAA tags

Differential Revision: https://reviews.llvm.org/D41539

llvm-svn: 323421
---
 clang/lib/CodeGen/CodeGenModule.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

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

diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index 641c99119bd..eba886db3e3 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -651,6 +651,14 @@ CodeGenModule::mergeTBAAInfoForConditionalOperator(TBAAAccessInfo InfoA,
   return TBAA->mergeTBAAInfoForConditionalOperator(InfoA, InfoB);
 }
 
+TBAAAccessInfo
+CodeGenModule::mergeTBAAInfoForMemoryTransfer(TBAAAccessInfo DestInfo,
+                                              TBAAAccessInfo SrcInfo) {
+  if (!TBAA)
+    return TBAAAccessInfo();
+  return TBAA->mergeTBAAInfoForConditionalOperator(DestInfo, SrcInfo);
+}
+
 void CodeGenModule::DecorateInstructionWithTBAA(llvm::Instruction *Inst,
                                                 TBAAAccessInfo TBAAInfo) {
   if (llvm::MDNode *Tag = getTBAAAccessTagInfo(TBAAInfo))
-- 
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