commit ed141bab630026a6109acc89556dd8ff3eaee504
author Ivan A. Kosarev <ikosarev@accesssoftek.com> Tue Oct 17 09:12:13 2017 +0000
committer Ivan A. Kosarev <ikosarev@accesssoftek.com> Tue Oct 17 09:12:13 2017 +0000
tree e59c276f26db097ff62ae194542ad754325e720a
parent 5bfbfb48b5e92b2cdd6832b09051ac41c6549534

[CodeGen] EmitPointerWithAlignment() to generate TBAA info along with LValue base info

Differential Revision: https://reviews.llvm.org/D38796

llvm-svn: 315984

clang/lib/CodeGen/CodeGenTBAA.cpp

diff --git a/clang/lib/CodeGen/CodeGenTBAA.cpp b/clang/lib/CodeGen/CodeGenTBAA.cpp
index 49a49c1..6f9747e 100644
--- a/clang/lib/CodeGen/CodeGenTBAA.cpp
+++ b/clang/lib/CodeGen/CodeGenTBAA.cpp
@@ -309,3 +309,11 @@
 TBAAAccessInfo CodeGenTBAA::getMayAliasAccessInfo() {
   return TBAAAccessInfo(getChar());
 }
+
+TBAAAccessInfo CodeGenTBAA::mergeTBAAInfoForCast(TBAAAccessInfo SourceInfo,
+                                                 TBAAAccessInfo TargetInfo) {
+  TBAAAccessInfo MayAliasInfo = getMayAliasAccessInfo();
+  if (SourceInfo == MayAliasInfo || TargetInfo == MayAliasInfo)
+    return MayAliasInfo;
+  return TargetInfo;
+}