624     auto MaybeCst = ConstantFoldBinOp(Opcode, SrcVec1->getSourceReg(Idx),  in ConstantFoldVectorBinop()  local
626     if (!MaybeCst)  in ConstantFoldVectorBinop()
628     FoldedElements.push_back(*MaybeCst);  in ConstantFoldVectorBinop()
780     auto MaybeCst = getIConstantVRegVal(R, MRI);  in ConstantFoldCTLZ()  local
781     if (!MaybeCst)  in ConstantFoldCTLZ()
783     return MaybeCst->countLeadingZeros();  in ConstantFoldCTLZ()
799   if (auto MaybeCst = tryFoldScalar(Src)) {  in ConstantFoldCTLZ()  local
800     FoldedCTLZs.emplace_back(*MaybeCst);  in ConstantFoldCTLZ()
1201   auto MaybeCst = getIConstantSplatSExtVal(MI, MRI);  in isConstantOrConstantSplatVector()  local
1202   if (!MaybeCst)  in isConstantOrConstantSplatVector()
1205   return APInt(ScalarSize, *MaybeCst, true);  in isConstantOrConstantSplatVector()