61 static bool maybeRewriteToDrop(unsigned OldReg, unsigned NewReg,  in maybeRewriteToDrop()  argument
65   if (OldReg == NewReg) {  in maybeRewriteToDrop()
67     Register NewReg = MRI.createVirtualRegister(MRI.getRegClass(OldReg));  in maybeRewriteToDrop()  local
68     MO.setReg(NewReg);  in maybeRewriteToDrop()
70     MFI.stackifyVReg(MRI, NewReg);  in maybeRewriteToDrop()
100       Register NewReg = MRI.createVirtualRegister(RegClass);  in maybeRewriteToFallthrough()  local
101       BuildMI(MBB, MI, MI.getDebugLoc(), TII.get(CopyLocalOpc), NewReg)  in maybeRewriteToFallthrough()
103       MO.setReg(NewReg);  in maybeRewriteToFallthrough()
104       MFI.stackifyVReg(MRI, NewReg);  in maybeRewriteToFallthrough()
147               Register NewReg = Op2.getReg();  in runOnMachineFunction()  local
149               if (MRI.getRegClass(NewReg) != MRI.getRegClass(OldReg))  in runOnMachineFunction()
152               Changed |= maybeRewriteToDrop(OldReg, NewReg, MO, MFI, MRI);  in runOnMachineFunction()