lib/Analysis/InstructionSimplify.cpp

1984     APInt Upper = APInt(Width, 0);
1988       Upper = CI2->getValue();
1991       Upper = CI2->getValue().abs();
1992       Lower = (-Upper) + 1;
1995       Upper = CI2->getValue() + 1;
2000         Upper = NegOne.udiv(CI2->getValue()) + 1;
2008         Upper = IntMax.sdiv(Val) + 1;
2014         Upper = NegOne.lshr(CI2->getValue()) + 1;
2021         Upper = IntMax.ashr(CI2->getValue()) + 1;
2028       Upper = CI2->getValue() + 1;
2030     if (Lower != Upper) {
2031       ConstantRange LHS_CR = ConstantRange(Lower, Upper);