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| author | Artur Pilipenko <apilipenko@azulsystems.com> | 2015-11-02 17:53:51 +0000 |
|---|---|---|
| committer | Artur Pilipenko <apilipenko@azulsystems.com> | 2015-11-02 17:53:51 +0000 |
| commit | 5c5011d503fa8c2d225f947adec3bda6141b91c5 (patch) | |
| tree | 8960d95cb25d67ab261f4952230cf04e1168ac9f /llvm/lib/Transforms/Utils/Local.cpp | |
| parent | 5daa9b231f5ba14ee8dd902260c8edae13cc01de (diff) | |
| download | bcm5719-llvm-5c5011d503fa8c2d225f947adec3bda6141b91c5.tar.gz bcm5719-llvm-5c5011d503fa8c2d225f947adec3bda6141b91c5.zip | |
Preserve load alignment and dereferenceable metadata during some transformations
Reviewed By: hfinkel
Differential Revision: http://reviews.llvm.org/D13953
llvm-svn: 251809
Diffstat (limited to 'llvm/lib/Transforms/Utils/Local.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/Local.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Utils/Local.cpp b/llvm/lib/Transforms/Utils/Local.cpp index b6080f29faa..0bd5fa9f877 100644 --- a/llvm/lib/Transforms/Utils/Local.cpp +++ b/llvm/lib/Transforms/Utils/Local.cpp @@ -1430,6 +1430,15 @@ void llvm::combineMetadata(Instruction *K, const Instruction *J, case LLVMContext::MD_invariant_group: // Preserve !invariant.group in K. break; + case LLVMContext::MD_align: + K->setMetadata(Kind, + MDNode::getMostGenericAlignmentOrDereferenceable(JMD, KMD)); + break; + case LLVMContext::MD_dereferenceable: + case LLVMContext::MD_dereferenceable_or_null: + K->setMetadata(Kind, + MDNode::getMostGenericAlignmentOrDereferenceable(JMD, KMD)); + break; } } // Set !invariant.group from J if J has it. If both instructions have it |
