Lines Matching defs:MaybeCst

2855   auto MaybeCst = isConstantOrConstantSplatVector(*MI, MRI);
2856   return MaybeCst && MaybeCst->getBitWidth() <= 64 &&
2857          MaybeCst->getSExtValue() == C;
2864   std::optional<FPValueAndVReg> MaybeCst;
2865   if (!mi_match(MOP.getReg(), MRI, m_GFCstOrSplat(MaybeCst)))
2868   return MaybeCst->Value.isExactlyValue(C);
3548     auto MaybeCst = getIConstantSplatSExtVal(*CstDef, MRI);
3549     if (!MaybeCst)
3551     if (!isConstValidTrue(TLI, Ty.getScalarSizeInBits(), *MaybeCst, true, IsFP))
4982   if (auto MaybeCst = ConstantFoldCastOp(MI.getOpcode(), DstTy, SrcOp, MRI)) {
4983     MatchInfo = *MaybeCst;
4994   auto MaybeCst = ConstantFoldBinOp(MI.getOpcode(), Op1, Op2, MRI);
4995   if (!MaybeCst)
4997   MatchInfo = *MaybeCst;
5005   auto MaybeCst = ConstantFoldFPBinOp(MI.getOpcode(), Op1, Op2, MRI);
5006   if (!MaybeCst)
5009       ConstantFP::get(MI.getMF()->getFunction().getContext(), *MaybeCst);
6332     const ConstantFP *MaybeCst = getConstantFPVRegVal(MaybeNaNReg, MRI);
6333     if (!MaybeCst || !MaybeCst->getValueAPF().isNaN())