1285   Register phi(Register LoopReg, std::optional<Register> InitReg = {},
1394   Register LoopReg = Reg;  in remapUse()  local
1397     LoopReg = getLoopPhiReg(*LoopProducer, BB);  in remapUse()
1399     LoopProducer = MRI.getUniqueVRegDef(LoopReg);  in remapUse()
1445     LoopReg = phi(LoopReg, *DefaultI++, MRI.getRegClass(Reg));  in remapUse()
1459             .addReg(LoopReg)  in remapUse()
1467   return LoopReg;  in remapUse()
1470 Register KernelRewriter::phi(Register LoopReg, std::optional<Register> InitReg,  in phi()  argument
1474     auto I = Phis.find({LoopReg, *InitReg});  in phi()
1479       if (KV.first.first == LoopReg)  in phi()
1486   auto I = UndefPhis.find(LoopReg);  in phi()
1496     Phis.insert({{LoopReg, *InitReg}, R});  in phi()
1507     RC = MRI.getRegClass(LoopReg);  in phi()
1518       .addReg(LoopReg)  in phi()
1521     UndefPhis[LoopReg] = R;  in phi()
1523     Phis[{LoopReg, *InitReg}] = R;  in phi()
2325       unsigned LoopReg;  in updateInstrUse()  local
2326       getPhiRegs(*DefInst, OrigKernel, InitReg, LoopReg);  in updateInstrUse()
2328       DefReg = LoopReg;  in updateInstrUse()
2329       DefInst = MRI.getVRegDef(LoopReg);  in updateInstrUse()
2501       unsigned InitReg, LoopReg;  in mergeRegUsesAfterPipeline()  local
2502       getPhiRegs(*Phi, OrigKernel, InitReg, LoopReg);  in mergeRegUsesAfterPipeline()