[llvm] r292433 - [InstCombine] remove a redundant check; NFCI

Sanjay Patel via llvm-commits llvm-commits at lists.llvm.org
Wed Jan 18 12:09:59 PST 2017

Author: spatel
Date: Wed Jan 18 14:09:59 2017
New Revision: 292433

URL: http://llvm.org/viewvc/llvm-project?rev=292433&view=rev
[InstCombine] remove a redundant check; NFCI

I missed deleting this check when I refactored this chunk in:


Modified: llvm/trunk/lib/Transforms/InstCombine/InstCombineCompares.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/InstCombine/InstCombineCompares.cpp?rev=292433&r1=292432&r2=292433&view=diff
--- llvm/trunk/lib/Transforms/InstCombine/InstCombineCompares.cpp (original)
+++ llvm/trunk/lib/Transforms/InstCombine/InstCombineCompares.cpp Wed Jan 18 14:09:59 2017
@@ -1939,8 +1939,6 @@ Instruction *InstCombiner::foldICmpShlCo
   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.

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