428   if (match(FCmp, m_Zero()))  in ThreadCmpOverSelect()
438   if (match(FCmp, m_One()) && match(TCmp, m_Zero()))  in ThreadCmpOverSelect()
544   if (match(Op1, m_Zero()))  in SimplifyAddInst()
675   if (match(Op1, m_Zero()))  in SimplifySubInst()
683   if (isNUW && match(Op0, m_Zero()))  in SimplifySubInst()
802   if (match(Op1, m_Zero()) &&  in SimplifyFAddInst()
834   if (match(Op1, m_Zero()))  in SimplifyFSubInst()
900   if (match(Op1, m_Zero()))  in SimplifyMulInst()
995   if (match(Op1, m_Zero()))  in SimplifyDiv()
1003   if (match(Op0, m_Zero()))  in SimplifyDiv()
1159   if (match(Op0, m_Zero()))  in SimplifyRem()
1163   if (match(Op1, m_Zero()))  in SimplifyRem()
1300   if (match(Op0, m_Zero()))  in SimplifyShift()
1304   if (match(Op1, m_Zero()))  in SimplifyShift()
1464   if (!match(ZeroICmp, m_ICmp(EqPred, m_Value(Y), m_Zero())) ||  in simplifyUnsignedRangeCheck()
1582   if (match(Op1, m_Zero()))  in SimplifyAndInst()
1756   if (match(Op1, m_Zero()))  in SimplifyOrInst()
1885   if (match(Op1, m_Zero()))  in SimplifyXorInst()
2189       if (match(RHS, m_Zero()))  in SimplifyICmpInst()
2194       if (match(RHS, m_Zero()))  in SimplifyICmpInst()
2219       if (match(RHS, m_Zero()))  in SimplifyICmpInst()
2236   if (match(RHS, m_Zero())) {  in SimplifyICmpInst()
3414         match(CmpRHS, m_Zero())) {  in SimplifySelectInst()
3417     } else if (Pred == ICmpInst::ICMP_SLT && match(CmpRHS, m_Zero())) {  in SimplifySelectInst()
3535     if (match(Ops[1], m_Zero()))  in SimplifyGEPInst()
3552           if (match(P, m_Zero()))  in SimplifyGEPInst()
3996       if (match(RHS, m_Zero()))  in SimplifyIntrinsic()