2752   auto MaybeCst = isConstantOrConstantSplatVector(*MI, MRI);  in matchConstantOp()  local
2753   return MaybeCst && MaybeCst->getBitWidth() <= 64 &&  in matchConstantOp()
2754          MaybeCst->getSExtValue() == C;  in matchConstantOp()
2760   std::optional<FPValueAndVReg> MaybeCst;  in matchConstantFPOp()  local
2761   if (!mi_match(MOP.getReg(), MRI, m_GFCstOrSplat(MaybeCst)))  in matchConstantFPOp()
2764   return MaybeCst->Value.isExactlyValue(C);  in matchConstantFPOp()
3311     auto MaybeCst = getIConstantSplatSExtVal(*CstDef, MRI);  in matchNotCmp()  local
3312     if (!MaybeCst)  in matchNotCmp()
3314     if (!isConstValidTrue(TLI, Ty.getScalarSizeInBits(), *MaybeCst, true, IsFP))  in matchNotCmp()
4750   if (auto MaybeCst = ConstantFoldCastOp(MI.getOpcode(), DstTy, SrcOp, MRI)) {  in matchConstantFoldCastOp()  local
4751     MatchInfo = *MaybeCst;  in matchConstantFoldCastOp()
4761   auto MaybeCst = ConstantFoldBinOp(MI.getOpcode(), Op1, Op2, MRI);  in matchConstantFoldBinOp()  local
4762   if (!MaybeCst)  in matchConstantFoldBinOp()
4764   MatchInfo = *MaybeCst;  in matchConstantFoldBinOp()
4771   auto MaybeCst = ConstantFoldFPBinOp(MI.getOpcode(), Op1, Op2, MRI);  in matchConstantFoldFPBinOp()  local
4772   if (!MaybeCst)  in matchConstantFoldFPBinOp()
4775       ConstantFP::get(MI.getMF()->getFunction().getContext(), *MaybeCst);  in matchConstantFoldFPBinOp()
5966     const ConstantFP *MaybeCst = getConstantFPVRegVal(MaybeNaNReg, MRI);  in matchCombineFMinMaxNaN()  local
5967     if (!MaybeCst || !MaybeCst->getValueAPF().isNaN())  in matchCombineFMinMaxNaN()