Transforms/InstCombine/InstCombineCompares.cpp

5038           auto *CmpC = ConstantInt::get(XTy, ValToCheck.countTrailingZeros());
5040           return new ICmpInst(NewPred, X, CmpC);
5044           auto *CmpC = ConstantInt::get(XTy, ValToCheck.countTrailingZeros());
5047           return new ICmpInst(NewPred, X, CmpC);
5072     const APInt *CmpC;
5073     if (match(Op1, m_APInt(CmpC))) {
5075       if (*CmpC == Op0Min + 1)
5077                             ConstantInt::get(Op1->getType(), *CmpC - 1));
5080       if (Op0Known.countMinTrailingZeros() >= CmpC->ceilLogBase2())
5094     const APInt *CmpC;
5095     if (match(Op1, m_APInt(CmpC))) {
5097       if (*CmpC == Op0Max - 1)
5099                             ConstantInt::get(Op1->getType(), *CmpC + 1));
5102       if (Op0Known.countMinTrailingZeros() >= CmpC->getActiveBits())
5115     const APInt *CmpC;
5116     if (match(Op1, m_APInt(CmpC))) {
5117       if (*CmpC == Op0Min + 1) // A <s C -> A == C-1 if min(A)+1 == C
5119                             ConstantInt::get(Op1->getType(), *CmpC - 1));
5130     const APInt *CmpC;
5131     if (match(Op1, m_APInt(CmpC))) {
5132       if (*CmpC == Op0Max - 1) // A >s C -> A == C+1 if max(A)-1 == C
5134                             ConstantInt::get(Op1->getType(), *CmpC + 1));