diff options
| author | Ivan A. Kosarev <ikosarev@accesssoftek.com> | 2017-10-17 09:12:13 +0000 |
|---|---|---|
| committer | Ivan A. Kosarev <ikosarev@accesssoftek.com> | 2017-10-17 09:12:13 +0000 |
| commit | ed141bab630026a6109acc89556dd8ff3eaee504 (patch) | |
| tree | e59c276f26db097ff62ae194542ad754325e720a /clang/lib/CodeGen/CodeGenTBAA.cpp | |
| parent | 5bfbfb48b5e92b2cdd6832b09051ac41c6549534 (diff) | |
| download | bcm5719-llvm-ed141bab630026a6109acc89556dd8ff3eaee504.tar.gz bcm5719-llvm-ed141bab630026a6109acc89556dd8ff3eaee504.zip | |
[CodeGen] EmitPointerWithAlignment() to generate TBAA info along with LValue base info
Differential Revision: https://reviews.llvm.org/D38796
llvm-svn: 315984
Diffstat (limited to 'clang/lib/CodeGen/CodeGenTBAA.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CodeGenTBAA.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CodeGenTBAA.cpp b/clang/lib/CodeGen/CodeGenTBAA.cpp index 49a49c1f5d7..6f9747e2f0b 100644 --- a/clang/lib/CodeGen/CodeGenTBAA.cpp +++ b/clang/lib/CodeGen/CodeGenTBAA.cpp @@ -309,3 +309,11 @@ llvm::MDNode *CodeGenTBAA::getAccessTagInfo(TBAAAccessInfo Info) { 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; +} |
