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author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2017-03-03 16:56:33 +0000 |
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committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2017-03-03 16:56:33 +0000 |
commit | e938a152c5f3949ece4d5b752208b05de311a89e (patch) | |
tree | aa6f2c1dceb9c1d9cc32e3a04fcdec40123e415d /llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp | |
parent | 9f5db7d4e008737d2ebc8e59f8c542de651ec674 (diff) | |
download | bcm5719-llvm-e938a152c5f3949ece4d5b752208b05de311a89e.tar.gz bcm5719-llvm-e938a152c5f3949ece4d5b752208b05de311a89e.zip |
Use APInt::getLowBitsSet instead of APInt::getBitsSet for lower bit mask creation
llvm-svn: 296882
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp')
-rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp b/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp index e641acbfbd9..d8824b473a6 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp @@ -852,7 +852,7 @@ Value *InstCombiner::SimplifyShrShlDemandedBits(Instruction *Shr, unsigned ShrAmt = ShrOp1.getZExtValue(); KnownOne.clearAllBits(); - KnownZero = APInt::getBitsSet(KnownZero.getBitWidth(), 0, ShlAmt-1); + KnownZero = APInt::getLowBitsSet(KnownZero.getBitWidth(), ShlAmt - 1); KnownZero &= DemandedMask; APInt BitMask1(APInt::getAllOnesValue(BitWidth)); |