diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp
index 17ac5b7d8d5..f631d614573 100644
--- a/lib/Transforms/Scalar/InstructionCombining.cpp
+++ b/lib/Transforms/Scalar/InstructionCombining.cpp
@@ -6582,8 +6582,7 @@ Instruction *InstCombiner::visitICmpInstWithInstAndIntCst(ICmpInst &ICI,
       // preferable because it allows the C<<Y expression to be hoisted out
       // of a loop if Y is invariant and X is not.
       if (Shift && Shift->hasOneUse() && RHSV == 0 &&
-          ICI.isEquality() && !Shift->isArithmeticShift()/* &&
-          isa<Instruction>(Shift->getOperand(0))*/) {
+          ICI.isEquality() && !Shift->isArithmeticShift()) {
         // Compute C << Y.
         Value *NS;
         if (Shift->getOpcode() == Instruction::LShr) {