318       Register SrcReg = MI->getOperand(1).getReg();  in isSignExtendedW()  local
323       if (!SrcReg.isVirtual())  in isSignExtendedW()
325       MachineInstr *SrcMI = MRI.getVRegDef(SrcReg);  in isSignExtendedW()
348       Register SrcReg = MI->getOperand(1).getReg();  in isSignExtendedW()  local
349       if (!SrcReg.isVirtual())  in isSignExtendedW()
351       MachineInstr *SrcMI = MRI.getVRegDef(SrcReg);  in isSignExtendedW()
386         Register SrcReg = MI->getOperand(I).getReg();  in isSignExtendedW()  local
387         if (!SrcReg.isVirtual())  in isSignExtendedW()
389         MachineInstr *SrcMI = MRI.getVRegDef(SrcReg);  in isSignExtendedW()
450       Register SrcReg = MI->getOperand(1).getReg();  in runOnMachineFunction()  local
451       if (!SrcReg.isVirtual())  in runOnMachineFunction()
461     Register SrcReg = MI->getOperand(1).getReg();  in runOnMachineFunction()  local
462     MachineInstr &SrcMI = *MRI.getVRegDef(SrcReg);  in runOnMachineFunction()
470     if (!MRI.constrainRegClass(SrcReg, MRI.getRegClass(DstReg)))  in runOnMachineFunction()
492     MRI.replaceRegWith(DstReg, SrcReg);  in runOnMachineFunction()
493     MRI.clearKillFlags(SrcReg);  in runOnMachineFunction()