68     friend raw_ostream &operator<< (raw_ostream &OS, const PrintRegister &PR);
77   raw_ostream &operator<< (raw_ostream &OS, const PrintRegister &PR)
79   raw_ostream &operator<< (raw_ostream &OS, const PrintRegister &PR) {  in operator <<()  argument
80     return OS << printReg(PR.Reg.R, &PR.TRI, PR.Reg.S);  in operator <<()
259     RegisterSubReg PR = DefI->getOperand(1);  in getPredRegFor()  local
260     G2P.insert(std::make_pair(Reg, PR));  in getPredRegFor()
261     LLVM_DEBUG(dbgs() << " -> " << PrintRegister(PR, *TRI) << '\n');  in getPredRegFor()
262     return PR;  in getPredRegFor()
326     RegisterSubReg PR = WorkQ.front();  in isScalarPred()  local
328     const MachineInstr *DefI = MRI->getVRegDef(PR.R);  in isScalarPred()
335         if (MRI->getRegClass(PR.R) != PredRC)  in isScalarPred()
404     RegisterSubReg PR = getPredRegFor(MI->getOperand(1));  in convertToPredForm()  local
405     if (!isScalarPred(PR))  in convertToPredForm()