1272   Register phi(Register LoopReg, Optional<Register> InitReg = {},
1381   Register LoopReg = Reg;  in remapUse()  local
1384     LoopReg = getLoopPhiReg(*LoopProducer, BB);  in remapUse()
1386     LoopProducer = MRI.getUniqueVRegDef(LoopReg);  in remapUse()
1432     LoopReg = phi(LoopReg, *DefaultI++, MRI.getRegClass(Reg));  in remapUse()
1446             .addReg(LoopReg)  in remapUse()
1454   return LoopReg;  in remapUse()
1457 Register KernelRewriter::phi(Register LoopReg, Optional<Register> InitReg,  in phi()  argument
1461     auto I = Phis.find({LoopReg, InitReg.getValue()});  in phi()
1466       if (KV.first.first == LoopReg)  in phi()
1473   auto I = UndefPhis.find(LoopReg);  in phi()
1483     Phis.insert({{LoopReg, InitReg.getValue()}, R});  in phi()
1491     RC = MRI.getRegClass(LoopReg);  in phi()
1498       .addReg(LoopReg)  in phi()
1501     UndefPhis[LoopReg] = R;  in phi()
1503     Phis[{LoopReg, *InitReg}] = R;  in phi()