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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2013-07-11 16:05:50 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2013-07-11 16:05:50 +0000 |
| commit | fc3ea6f4bcb227bf0b77c560b37210fd86d0cea3 (patch) | |
| tree | ea6c81c137585709ba62cda622e44f33409c33e1 /llvm/lib/Transforms/Utils/SimplifyIndVar.cpp | |
| parent | ce2c84e6709898ecd2836462660fd573d271c255 (diff) | |
| download | bcm5719-llvm-fc3ea6f4bcb227bf0b77c560b37210fd86d0cea3.tar.gz bcm5719-llvm-fc3ea6f4bcb227bf0b77c560b37210fd86d0cea3.zip | |
Don't use a potentially expensive shift if all we want is one set bit.
No functionality change.
llvm-svn: 186095
Diffstat (limited to 'llvm/lib/Transforms/Utils/SimplifyIndVar.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/SimplifyIndVar.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp b/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp index 41c207c3d5c..bf3442aeaaa 100644 --- a/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp +++ b/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp @@ -119,7 +119,7 @@ Value *SimplifyIndvar::foldIVUser(Instruction *UseInst, Instruction *IVOperand) return 0; D = ConstantInt::get(UseInst->getContext(), - APInt(BitWidth, 1).shl(D->getZExtValue())); + APInt::getOneBitSet(BitWidth, D->getZExtValue())); } FoldedExpr = SE->getUDivExpr(SE->getSCEV(IVSrc), SE->getSCEV(D)); } |
