Lines Matching defs:MaybeCst

2880   auto MaybeCst = isConstantOrConstantSplatVector(*MI, MRI);
2881   return MaybeCst && MaybeCst->getBitWidth() <= 64 &&
2882          MaybeCst->getSExtValue() == C;
2888   std::optional<FPValueAndVReg> MaybeCst;
2889   if (!mi_match(MOP.getReg(), MRI, m_GFCstOrSplat(MaybeCst)))
2892   return MaybeCst->Value.isExactlyValue(C);
3456     auto MaybeCst = getIConstantSplatSExtVal(*CstDef, MRI);
3457     if (!MaybeCst)
3459     if (!isConstValidTrue(TLI, Ty.getScalarSizeInBits(), *MaybeCst, true, IsFP))
4912   if (auto MaybeCst = ConstantFoldCastOp(MI.getOpcode(), DstTy, SrcOp, MRI)) {
4913     MatchInfo = *MaybeCst;
4923   auto MaybeCst = ConstantFoldBinOp(MI.getOpcode(), Op1, Op2, MRI);
4924   if (!MaybeCst)
4926   MatchInfo = *MaybeCst;
4933   auto MaybeCst = ConstantFoldFPBinOp(MI.getOpcode(), Op1, Op2, MRI);
4934   if (!MaybeCst)
4937       ConstantFP::get(MI.getMF()->getFunction().getContext(), *MaybeCst);
6249     const ConstantFP *MaybeCst = getConstantFPVRegVal(MaybeNaNReg, MRI);
6250     if (!MaybeCst || !MaybeCst->getValueAPF().isNaN())