81   bool pickBestRegisterForUndef(MachineInstr *MI, unsigned OpIdx,
86   bool shouldBreakDependence(MachineInstr *, unsigned OpIdx, unsigned Pref);
107 bool BreakFalseDeps::pickBestRegisterForUndef(MachineInstr *MI, unsigned OpIdx,  in pickBestRegisterForUndef()  argument
111   if (MI->isRegTiedToDefOperand(OpIdx))  in pickBestRegisterForUndef()
114   MachineOperand &MO = MI->getOperand(OpIdx);  in pickBestRegisterForUndef()
135     TII->getRegClass(MI->getDesc(), OpIdx, TRI, *MF);  in pickBestRegisterForUndef()
172 bool BreakFalseDeps::shouldBreakDependence(MachineInstr *MI, unsigned OpIdx,  in shouldBreakDependence()  argument
174   MCRegister Reg = MI->getOperand(OpIdx).getReg().asMCReg();  in shouldBreakDependence()
245   unsigned OpIdx = UndefReads.back().second;  in processUndefReads()  local
252       if (!LiveRegSet.contains(UndefMI->getOperand(OpIdx).getReg()))  in processUndefReads()
253         TII->breakPartialRegDependency(*UndefMI, OpIdx, TRI);  in processUndefReads()
260       OpIdx = UndefReads.back().second;  in processUndefReads()