diff options
| 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 | 0a230e0d985625a3909cb78fd867a3abaf434565 (patch) | |
| tree | 5781d89cdddab939dca31f5f5a62c2a1f825b22f /lib/Transforms/Utils | |
| parent | 1b3e3eef1fb51ace32b32e5ca217dacb03333b13 (diff) | |
| download | llvm-0a230e0d985625a3909cb78fd867a3abaf434565.tar.gz llvm-0a230e0d985625a3909cb78fd867a3abaf434565.tar.bz2 llvm-0a230e0d985625a3909cb78fd867a3abaf434565.tar.xz | |
Don't use a potentially expensive shift if all we want is one set bit.
No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186095 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Utils')
| -rw-r--r-- | lib/Transforms/Utils/SimplifyIndVar.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Transforms/Utils/SimplifyIndVar.cpp b/lib/Transforms/Utils/SimplifyIndVar.cpp index 41c207c3d5..bf3442aeaa 100644 --- a/lib/Transforms/Utils/SimplifyIndVar.cpp +++ b/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)); } |