410                              unsigned PhiNum, MachineInstr *Phi,
672   bool isLoopCarried(SwingSchedulerDAG *SSD, MachineInstr &Phi);
917 static void getPhiRegs(MachineInstr &Phi, MachineBasicBlock *Loop,  in getPhiRegs()  argument
919   assert(Phi.isPHI() && "Expecting a Phi.");  in getPhiRegs()
923   for (unsigned i = 1, e = Phi.getNumOperands(); i != e; i += 2)  in getPhiRegs()
924     if (Phi.getOperand(i + 1).getMBB() != Loop)  in getPhiRegs()
925       InitVal = Phi.getOperand(i).getReg();  in getPhiRegs()
926     else if (Phi.getOperand(i + 1).getMBB() == Loop)  in getPhiRegs()
927       LoopVal = Phi.getOperand(i).getReg();  in getPhiRegs()
933 static unsigned getInitPhiReg(MachineInstr &Phi, MachineBasicBlock *LoopBB) {  in getInitPhiReg()  argument
934   for (unsigned i = 1, e = Phi.getNumOperands(); i != e; i += 2)  in getInitPhiReg()
935     if (Phi.getOperand(i + 1).getMBB() != LoopBB)  in getInitPhiReg()
936       return Phi.getOperand(i).getReg();  in getInitPhiReg()
941 static unsigned getLoopPhiReg(MachineInstr &Phi, MachineBasicBlock *LoopBB) {  in getLoopPhiReg()  argument
942   for (unsigned i = 1, e = Phi.getNumOperands(); i != e; i += 2)  in getLoopPhiReg()
943     if (Phi.getOperand(i + 1).getMBB() == LoopBB)  in getLoopPhiReg()
944       return Phi.getOperand(i).getReg();  in getLoopPhiReg()
3248     unsigned CurStageNum, unsigned PhiNum, MachineInstr *Phi, unsigned OldReg,  in rewriteScheduledInstr()  argument
3251   int StagePhi = Schedule.stageScheduled(getSUnit(Phi)) + PhiNum;  in rewriteScheduledInstr()
3263       if (!Phi->isPHI() && UseMI->getOperand(0).getReg() == NewReg)  in rewriteScheduledInstr()
3275     if (StagePhi == StageSched && Phi->isPHI()) {  in rewriteScheduledInstr()
3276       int CyclePhi = Schedule.cycleScheduled(getSUnit(Phi));  in rewriteScheduledInstr()
3279       else if (PrevReg && !Schedule.isLoopCarried(this, *Phi) &&  in rewriteScheduledInstr()
3288         !Schedule.isLoopCarried(this, *Phi))  in rewriteScheduledInstr()
3290     if (StagePhi > StageSched && Phi->isPHI())  in rewriteScheduledInstr()
3292     if (!InProlog && !Phi->isPHI() && StagePhi < StageSched)  in rewriteScheduledInstr()
3323   MachineInstr *Phi = MRI.getVRegDef(BaseReg);  in canUseLastOffsetValue()  local
3324   if (!Phi || !Phi->isPHI())  in canUseLastOffsetValue()
3327   unsigned PrevReg = getLoopPhiReg(*Phi, MI->getParent());  in canUseLastOffsetValue()
3766 bool SMSchedule::isLoopCarried(SwingSchedulerDAG *SSD, MachineInstr &Phi) {  in isLoopCarried()  argument
3767   if (!Phi.isPHI())  in isLoopCarried()
3769   assert(Phi.isPHI() && "Expecing a Phi.");  in isLoopCarried()
3770   SUnit *DefSU = SSD->getSUnit(&Phi);  in isLoopCarried()
3776   getPhiRegs(Phi, Phi.getParent(), InitVal, LoopVal);  in isLoopCarried()
3801   MachineInstr *Phi = MRI.getVRegDef(MO.getReg());  in isLoopCarriedDefOfUse()  local
3802   if (!Phi || !Phi->isPHI() || Phi->getParent() != Def->getParent())  in isLoopCarriedDefOfUse()
3804   if (!isLoopCarried(SSD, *Phi))  in isLoopCarriedDefOfUse()
3806   unsigned LoopReg = getLoopPhiReg(*Phi, Phi->getParent());  in isLoopCarriedDefOfUse()