58 static bool MaybeRewriteToDrop(unsigned OldReg, unsigned NewReg,  in MaybeRewriteToDrop()  argument
62   if (OldReg == NewReg) {  in MaybeRewriteToDrop()
64     unsigned NewReg = MRI.createVirtualRegister(MRI.getRegClass(OldReg));  in MaybeRewriteToDrop()  local
65     MO.setReg(NewReg);  in MaybeRewriteToDrop()
67     MFI.stackifyVReg(NewReg);  in MaybeRewriteToDrop()
91     unsigned NewReg = MRI.createVirtualRegister(MRI.getRegClass(Reg));  in MaybeRewriteToFallthrough()  local
92     BuildMI(MBB, MI, MI.getDebugLoc(), TII.get(CopyLocalOpc), NewReg)  in MaybeRewriteToFallthrough()
94     MO.setReg(NewReg);  in MaybeRewriteToFallthrough()
95     MFI.stackifyVReg(NewReg);  in MaybeRewriteToFallthrough()
136         unsigned NewReg =  in runOnMachineFunction()  local
138         Changed |= MaybeRewriteToDrop(OldReg, NewReg, MO, MFI, MRI);  in runOnMachineFunction()
157               unsigned NewReg = Op2.getReg();  in runOnMachineFunction()  local
159               if (MRI.getRegClass(NewReg) != MRI.getRegClass(OldReg))  in runOnMachineFunction()
162               Changed |= MaybeRewriteToDrop(OldReg, NewReg, MO, MFI, MRI);  in runOnMachineFunction()