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-rw-r--r--lib/Transforms/InstCombine/InstCombineCompares.cpp5
1 files changed, 1 insertions, 4 deletions
diff --git a/lib/Transforms/InstCombine/InstCombineCompares.cpp b/lib/Transforms/InstCombine/InstCombineCompares.cpp
index 985d9129b3..bd339742ef 100644
--- a/lib/Transforms/InstCombine/InstCombineCompares.cpp
+++ b/lib/Transforms/InstCombine/InstCombineCompares.cpp
@@ -1703,9 +1703,7 @@ static APInt DemandedBitsLHSMask(ICmpInst &I,
ConstantInt *CI = dyn_cast<ConstantInt>(I.getOperand(1));
if (!CI) return APInt::getAllOnesValue(BitWidth);
-
- APInt RHS = CI->getValue();
- APInt Mask(BitWidth, 0);
+ const APInt &RHS = CI->getValue();
switch (I.getPredicate()) {
// For a UGT comparison, we don't care about any bits that
@@ -1730,7 +1728,6 @@ static APInt DemandedBitsLHSMask(ICmpInst &I,
return APInt::getAllOnesValue(BitWidth);
}
- return Mask;
}
Instruction *InstCombiner::visitICmpInst(ICmpInst &I) {