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-rw-r--r--lib/Analysis/DemandedBits.cpp7
1 files changed, 0 insertions, 7 deletions
diff --git a/lib/Analysis/DemandedBits.cpp b/lib/Analysis/DemandedBits.cpp
index 143d0b7..6f92ba6 100644
--- a/lib/Analysis/DemandedBits.cpp
+++ b/lib/Analysis/DemandedBits.cpp
@@ -242,13 +242,6 @@ void DemandedBits::determineLiveOperandBits(
if (OperandNo != 0)
AB = AOut;
break;
- case Instruction::ICmp:
- // Count the number of leading zeroes in each operand.
- ComputeKnownBits(BitWidth, UserI->getOperand(0), UserI->getOperand(1));
- auto NumLeadingZeroes = std::min(KnownZero.countLeadingOnes(),
- KnownZero2.countLeadingOnes());
- AB = ~APInt::getHighBitsSet(BitWidth, NumLeadingZeroes);
- break;
}
}
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