37 using AvailableValsTy = DenseMap<MachineBasicBlock *, Register>;
63 void MachineSSAUpdater::Initialize(Register V) {  in Initialize()
75 void MachineSSAUpdater::AddAvailableValue(MachineBasicBlock *BB, Register V) {  in AddAvailableValue()
81 Register MachineSSAUpdater::GetValueAtEndOfBlock(MachineBasicBlock *BB) {  in GetValueAtEndOfBlock()
86 Register LookForIdenticalPHI(MachineBasicBlock *BB,  in LookForIdenticalPHI()
87         SmallVectorImpl<std::pair<MachineBasicBlock *, Register>> &PredValues) {  in LookForIdenticalPHI()
89     return Register();  in LookForIdenticalPHI()
93     return Register();  in LookForIdenticalPHI()
101       Register SrcReg = I->getOperand(i).getReg();  in LookForIdenticalPHI()
112   return Register();  in LookForIdenticalPHI()
124   Register NewVR = MRI->createVirtualRegister(RC);  in InsertNewDef()
146 Register MachineSSAUpdater::GetValueInMiddleOfBlock(MachineBasicBlock *BB) {  in GetValueInMiddleOfBlock()
163   SmallVector<std::pair<MachineBasicBlock*, Register>, 8> PredValues;  in GetValueInMiddleOfBlock()
164   Register SingularValue;  in GetValueInMiddleOfBlock()
168     Register PredVal = GetValueAtEndOfBlockInternal(PredBB);  in GetValueInMiddleOfBlock()
176       SingularValue = Register();  in GetValueInMiddleOfBlock()
184   Register DupPHI = LookForIdenticalPHI(BB, PredValues);  in GetValueInMiddleOfBlock()
226   Register NewVR;  in RewriteUse()
245   using ValT = Register;
290   static Register GetUndefVal(MachineBasicBlock *BB,  in GetUndefVal()
302   static Register CreateEmptyPHI(MachineBasicBlock *BB, unsigned NumPreds,  in CreateEmptyPHI()
313   static void AddPHIOperand(MachineInstr *PHI, Register Val,  in AddPHIOperand()
327   static MachineInstr *ValueIsPHI(Register Val, MachineSSAUpdater *Updater) {  in ValueIsPHI()
333   static MachineInstr *ValueIsNewPHI(Register Val, MachineSSAUpdater *Updater) {  in ValueIsNewPHI()
342   static Register GetPHIValue(MachineInstr *PHI) {  in GetPHIValue()
353 Register MachineSSAUpdater::GetValueAtEndOfBlockInternal(MachineBasicBlock *BB){  in GetValueAtEndOfBlockInternal()
355   if (Register V = AvailableVals[BB])  in GetValueAtEndOfBlockInternal()