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| author | Sanjay Patel <spatel@rotateright.com> | 2018-06-26 16:39:29 +0000 |
|---|---|---|
| committer | Sanjay Patel <spatel@rotateright.com> | 2018-06-26 16:39:29 +0000 |
| commit | 9adea01c9fb4838b042273dae7104441ceff1570 (patch) | |
| tree | 96fd5e564e7f2778db4d24d52bb8fb061a88f6c9 | |
| parent | 3575f0c0b3787b97084c0e25c6d8fcb31e99ea62 (diff) | |
| download | bcm5719-llvm-9adea01c9fb4838b042273dae7104441ceff1570.tar.gz bcm5719-llvm-9adea01c9fb4838b042273dae7104441ceff1570.zip | |
[InstCombine] simplify code for urem fold; NFCI
llvm-svn: 335623
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp b/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp index 9833bbc2a15..65046f26259 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp @@ -1303,11 +1303,8 @@ Instruction *InstCombiner::visitURem(BinaryOperator &I) { } // 1 urem X -> zext(X != 1) - if (match(Op0, m_One())) { - Value *Cmp = Builder.CreateICmpNE(Op1, Op0); - Value *Ext = Builder.CreateZExt(Cmp, Ty); - return replaceInstUsesWith(I, Ext); - } + if (match(Op0, m_One())) + return CastInst::CreateZExtOrBitCast(Builder.CreateICmpNE(Op1, Op0), Ty); // X urem C -> X < C ? X : X - C, where C >= signbit. if (match(Op1, m_Negative())) { |
