break;
case Instruction::ICmp:
// Count the number of leading zeroes in each operand.
- ComputeKnownBits(BitWidth, I, UserI->getOperand(1));
+ ComputeKnownBits(BitWidth, UserI->getOperand(0), UserI->getOperand(1));
auto NumLeadingZeroes = std::min(KnownZero.countLeadingOnes(),
KnownZero2.countLeadingOnes());
AB = ~APInt::getHighBitsSet(BitWidth, NumLeadingZeroes);