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| author | Philip Reames <listmail@philipreames.com> | 2015-11-17 00:15:09 +0000 |
|---|---|---|
| committer | Philip Reames <listmail@philipreames.com> | 2015-11-17 00:15:09 +0000 |
| commit | b6e8fe3dacb49dfe4c67dbc3cc40d59cd902f519 (patch) | |
| tree | 41f5a4c88e7fb2f0ce74b8a7989ec21657233cf4 /llvm/lib/Transforms | |
| parent | dbd2d32892e83d270b6fedc54ea301f75e8ae0ac (diff) | |
| download | bcm5719-llvm-b6e8fe3dacb49dfe4c67dbc3cc40d59cd902f519.tar.gz bcm5719-llvm-b6e8fe3dacb49dfe4c67dbc3cc40d59cd902f519.zip | |
[PRE] Preserve !invariant.load metadata
Spoted via inspection. Test case included.
llvm-svn: 253275
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/GVN.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Scalar/GVN.cpp b/llvm/lib/Transforms/Scalar/GVN.cpp index e2822e320a8..06faa2d76b6 100644 --- a/llvm/lib/Transforms/Scalar/GVN.cpp +++ b/llvm/lib/Transforms/Scalar/GVN.cpp @@ -1669,6 +1669,8 @@ bool GVN::PerformLoadPRE(LoadInst *LI, AvailValInBlkVect &ValuesPerBlock, if (Tags) NewLoad->setAAMetadata(Tags); + if (auto *MD = LI->getMetadata(LLVMContext::MD_invariant_load)) + NewLoad->setMetadata(LLVMContext::MD_invariant_load, MD); if (auto *InvGroupMD = LI->getMetadata(LLVMContext::MD_invariant_group)) NewLoad->setMetadata(LLVMContext::MD_invariant_group, InvGroupMD); |
