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[InstCombine] remove a redundant check; NFCI

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I missed deleting this check when I refactored this chunk in:
https://reviews.llvm.org/rL292260


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@292433 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sanjay Patel 2017-01-18 20:09:59 +00:00
parent 28f35758a5
commit a1c9212c46
1 changed files with 0 additions and 2 deletions

2
lib/Transforms/InstCombine/InstCombineCompares.cpp

@ -1939,8 +1939,6 @@ Instruction *InstCombiner::foldICmpShlConstant(ICmpInst &Cmp,
if (Cmp.isEquality()) {
Constant *LShrC = ConstantInt::get(ShType, C->lshr(*ShiftAmt));
if (Shl->hasNoUnsignedWrap())
return new ICmpInst(Pred, X, LShrC);
// If the shift is NSW and we compare to 0, then it is just shifting out
// sign bits, no need for an AND either.