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| author | Sanjoy Das <sanjoy@playingwithpointers.com> | 2016-01-27 17:05:09 +0000 |
|---|---|---|
| committer | Sanjoy Das <sanjoy@playingwithpointers.com> | 2016-01-27 17:05:09 +0000 |
| commit | cddde58f1c5d6956f669f690fb65920314f4e727 (patch) | |
| tree | ad92e885a5c0c010184532b4d0f3a3ddd30def42 /llvm/lib/Transforms/Scalar/IndVarSimplify.cpp | |
| parent | 2f7a7447c2d44ef65548cbe746ae44a886630f12 (diff) | |
| download | llvm-cddde58f1c5d6956f669f690fb65920314f4e727.zip llvm-cddde58f1c5d6956f669f690fb65920314f4e727.tar.gz llvm-cddde58f1c5d6956f669f690fb65920314f4e727.tar.bz2 | |
[IndVars] Hoist DataLayout load out of loop; NFC
llvm-svn: 258946
Diffstat (limited to 'llvm/lib/Transforms/Scalar/IndVarSimplify.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/IndVarSimplify.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp b/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp index b9d3bf5..02c2629 100644 --- a/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp +++ b/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp @@ -1783,6 +1783,7 @@ static PHINode *FindLoopCounter(Loop *L, const SCEV *BECount, const SCEV *BestInit = nullptr; BasicBlock *LatchBlock = L->getLoopLatch(); assert(LatchBlock && "needsLFTR should guarantee a loop latch"); + const DataLayout &DL = L->getHeader()->getModule()->getDataLayout(); for (BasicBlock::iterator I = L->getHeader()->begin(); isa<PHINode>(I); ++I) { PHINode *Phi = cast<PHINode>(I); @@ -1801,8 +1802,7 @@ static PHINode *FindLoopCounter(Loop *L, const SCEV *BECount, // AR may be wider than BECount. With eq/ne tests overflow is immaterial. // AR may not be a narrower type, or we may never exit. uint64_t PhiWidth = SE->getTypeSizeInBits(AR->getType()); - if (PhiWidth < BCWidth || - !L->getHeader()->getModule()->getDataLayout().isLegalInteger(PhiWidth)) + if (PhiWidth < BCWidth || !DL.isLegalInteger(PhiWidth)) continue; const SCEV *Step = dyn_cast<SCEVConstant>(AR->getStepRecurrence(*SE)); |