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| author | Sanjoy Das <sanjoy@playingwithpointers.com> | 2016-05-27 19:03:10 +0000 |
|---|---|---|
| committer | Sanjoy Das <sanjoy@playingwithpointers.com> | 2016-05-27 19:03:10 +0000 |
| commit | 6fff9dc932a708d0a5c78073e855f94990bffffc (patch) | |
| tree | 31e7537325aa0128d0aff00bd22914694d4587d0 /llvm/lib/Transforms | |
| parent | a75c77b127784476900e9d0c302aea026e039221 (diff) | |
| download | bcm5719-llvm-6fff9dc932a708d0a5c78073e855f94990bffffc.tar.gz bcm5719-llvm-6fff9dc932a708d0a5c78073e855f94990bffffc.zip | |
[GVN] Preserve !range metadata when PRE'ing loads
Reviewers: dberlin, reames, george.burgess.iv
Subscribers: mcrosier, llvm-commits
Differential Revision: http://reviews.llvm.org/D20743
llvm-svn: 271034
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 97ec1eab654..5236c526e75 100644 --- a/llvm/lib/Transforms/Scalar/GVN.cpp +++ b/llvm/lib/Transforms/Scalar/GVN.cpp @@ -1567,6 +1567,8 @@ bool GVN::PerformLoadPRE(LoadInst *LI, AvailValInBlkVect &ValuesPerBlock, NewLoad->setMetadata(LLVMContext::MD_invariant_load, MD); if (auto *InvGroupMD = LI->getMetadata(LLVMContext::MD_invariant_group)) NewLoad->setMetadata(LLVMContext::MD_invariant_group, InvGroupMD); + if (auto *RangeMD = LI->getMetadata(LLVMContext::MD_range)) + NewLoad->setMetadata(LLVMContext::MD_range, RangeMD); // Transfer DebugLoc. NewLoad->setDebugLoc(LI->getDebugLoc()); |
