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| author | Chen Zheng <shchenz@cn.ibm.com> | 2018-07-16 00:51:40 +0000 |
|---|---|---|
| committer | Chen Zheng <shchenz@cn.ibm.com> | 2018-07-16 00:51:40 +0000 |
| commit | b972273f984997cda449480927e12ec22046bd9b (patch) | |
| tree | 766651260243e933e516a29601d04c10bf5a0c09 /llvm/lib | |
| parent | 7bb2767fba25313c3c4b002127b5ff35836d0627 (diff) | |
| download | bcm5719-llvm-b972273f984997cda449480927e12ec22046bd9b.tar.gz bcm5719-llvm-b972273f984997cda449480927e12ec22046bd9b.zip | |
[InstCombine] fold icmp pred (sub 0, X) C for vector type
Differential Revision: https://reviews.llvm.org/D49283
llvm-svn: 337141
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp index 784ff9eb56c..f91eb9da99e 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp @@ -3154,8 +3154,8 @@ Instruction *InstCombiner::foldICmpBinOp(ICmpInst &I) { if (NoOp0WrapProblem && ICmpInst::isSigned(Pred)) { Value *X; if (match(BO0, m_Neg(m_Value(X)))) - if (ConstantInt *RHSC = dyn_cast<ConstantInt>(Op1)) - if (!RHSC->isMinValue(/*isSigned=*/true)) + if (Constant *RHSC = dyn_cast<Constant>(Op1)) + if (RHSC->isNotMinSignedValue()) return new ICmpInst(I.getSwappedPredicate(), X, ConstantExpr::getNeg(RHSC)); } |
