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| author | Justin Lebar <jlebar@google.com> | 2016-09-11 01:39:08 +0000 |
|---|---|---|
| committer | Justin Lebar <jlebar@google.com> | 2016-09-11 01:39:08 +0000 |
| commit | 11a32043550759e86e7c0538927531c1f8651f12 (patch) | |
| tree | 06677db58e42172d954b0485afdc22375410a1ca /llvm/lib/Analysis/VectorUtils.cpp | |
| parent | 6d6b11a4a6a418956ac963bb9a7d9b1fd2966e3d (diff) | |
| download | llvm-11a32043550759e86e7c0538927531c1f8651f12.zip llvm-11a32043550759e86e7c0538927531c1f8651f12.tar.gz llvm-11a32043550759e86e7c0538927531c1f8651f12.tar.bz2 | |
Add handling of !invariant.load to PropagateMetadata.
Summary:
This will let e.g. the load/store vectorizer propagate this metadata
appropriately.
Reviewers: arsenm
Subscribers: tra, jholewinski, hfinkel, mzolotukhin
Differential Revision: https://reviews.llvm.org/D23479
llvm-svn: 281153
Diffstat (limited to 'llvm/lib/Analysis/VectorUtils.cpp')
| -rw-r--r-- | llvm/lib/Analysis/VectorUtils.cpp | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/llvm/lib/Analysis/VectorUtils.cpp b/llvm/lib/Analysis/VectorUtils.cpp index 53e7153..5a51fd8 100644 --- a/llvm/lib/Analysis/VectorUtils.cpp +++ b/llvm/lib/Analysis/VectorUtils.cpp @@ -454,9 +454,10 @@ Instruction *llvm::propagateMetadata(Instruction *Inst, ArrayRef<Value *> VL) { SmallVector<std::pair<unsigned, MDNode *>, 4> Metadata; I0->getAllMetadataOtherThanDebugLoc(Metadata); - for (auto Kind : { LLVMContext::MD_tbaa, LLVMContext::MD_alias_scope, - LLVMContext::MD_noalias, LLVMContext::MD_fpmath, - LLVMContext::MD_nontemporal }) { + for (auto Kind : + {LLVMContext::MD_tbaa, LLVMContext::MD_alias_scope, + LLVMContext::MD_noalias, LLVMContext::MD_fpmath, + LLVMContext::MD_nontemporal, LLVMContext::MD_invariant_load}) { MDNode *MD = I0->getMetadata(Kind); for (int J = 1, E = VL.size(); MD && J != E; ++J) { @@ -469,13 +470,12 @@ Instruction *llvm::propagateMetadata(Instruction *Inst, ArrayRef<Value *> VL) { case LLVMContext::MD_alias_scope: MD = MDNode::getMostGenericAliasScope(MD, IMD); break; - case LLVMContext::MD_noalias: - MD = MDNode::intersect(MD, IMD); - break; case LLVMContext::MD_fpmath: MD = MDNode::getMostGenericFPMath(MD, IMD); break; + case LLVMContext::MD_noalias: case LLVMContext::MD_nontemporal: + case LLVMContext::MD_invariant_load: MD = MDNode::intersect(MD, IMD); break; default: |