Lines Matching defs:MPhi

333 static bool allPhiOperandsUndefined(const MachineInstr &MPhi,
335   for (unsigned I = 1, E = MPhi.getNumOperands(); I != E; I += 2) {
336     const MachineOperand &MO = MPhi.getOperand(I);
351   MachineInstr *MPhi = MBB.remove(&*MBB.begin());
353   unsigned NumSrcs = (MPhi->getNumOperands() - 1) / 2;
354   Register DestReg = MPhi->getOperand(0).getReg();
355   assert(MPhi->getOperand(0).getSubReg() == 0 && "Can't handle sub-reg PHIs");
356   bool isDead = MPhi->getOperand(0).isDead();
369   if (allPhiOperandsUndefined(*MPhi, *MRI))
372     PHICopy = BuildMI(MBB, AfterPHIsIt, MPhi->getDebugLoc(),
381       Entry = &LoweredPHIs[MPhi];
388                         << *MPhi);
400         MBB, AfterPHIsIt, MPhi->getDebugLoc(), IncomingReg, DestReg);
403   if (MPhi->peekDebugInstrNum()) {
406     unsigned ID = MPhi->peekDebugInstrNum();
460     LV->removeVirtualRegistersKilled(*MPhi);
465       LV->removeVirtualRegisterDead(DestReg, *MPhi);
533     for (unsigned i = 1; i != MPhi->getNumOperands(); i += 2) {
534       if (!MPhi->getOperand(i).isUndef()) {
536             MPhi->getOperand(i + 1).getMBB()->getNumber(),
537             MPhi->getOperand(i).getReg())];
546     Register SrcReg = MPhi->getOperand(i * 2 + 1).getReg();
547     unsigned SrcSubReg = MPhi->getOperand(i * 2 + 1).getSubReg();
548     bool SrcUndef = MPhi->getOperand(i * 2 + 1).isUndef() ||
555     MachineBasicBlock &opBlock = *MPhi->getOperand(i * 2 + 2).getMBB();
598             BuildMI(opBlock, InsertPos, MPhi->getDebugLoc(),
737       LIS->RemoveMachineInstrFromMaps(*MPhi);
738     MF.deleteMachineInstr(MPhi);