Simplify, suggested by Chris Lattner.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53283 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp
index 8d35bb5af03eb2e70e03c81304feaf87ef6b82f9..c573f7f5312f68914d0914e079d31ea29b75180a 100644 (file)
--- a/lib/Transforms/Scalar/InstructionCombining.cpp
+++ b/lib/Transforms/Scalar/InstructionCombining.cpp
@@ -3478,7 +3478,7 @@ Instruction *InstCombiner::visitAnd(BinaryOperator &I) {
       case Instruction::LShr:
         // (1 << x) & 1 --> zext(x == 0)
         // (1 >> x) & 1 --> zext(x == 0)
-        if (AndRHSMask.getLimitedValue() == 1 && Op0LHS == AndRHS) {
+        if (AndRHSMask == 1 && Op0LHS == AndRHS) {
           Instruction *NewICmp = new ICmpInst(ICmpInst::ICMP_EQ, Op0RHS,
                                            Constant::getNullValue(I.getType()));
           InsertNewInstBefore(NewICmp, I);