96     SmallSet<std::pair<MachineBasicBlock*, MachineBasicBlock*>, 8>
101     SetVector<std::pair<MachineBasicBlock *, MachineBasicBlock *>> ToSplit;
106         std::map<MachineBasicBlock *, SmallVector<MachineBasicBlock *, 4>>;
137     bool ProcessBlock(MachineBasicBlock &MBB);
139                                      MachineBasicBlock *From,
140                                      MachineBasicBlock *To);
155                                    MachineBasicBlock *From,
156                                    MachineBasicBlock *To,
161     bool AllUsesDominatedByBlock(unsigned Reg, MachineBasicBlock *MBB,
162                                  MachineBasicBlock *DefMBB,
164     MachineBasicBlock *FindSuccToSinkTo(MachineInstr &MI, MachineBasicBlock *MBB,
167                               MachineBasicBlock *MBB,
168                               MachineBasicBlock *SuccToSinkTo,
172                                          MachineBasicBlock *MBB);
174     SmallVector<MachineBasicBlock *, 4> &
175     GetAllSortedSuccessors(MachineInstr &MI, MachineBasicBlock *MBB,
195                                                      MachineBasicBlock *MBB) {  in INITIALIZE_PASS_DEPENDENCY()
233                                         MachineBasicBlock *MBB,  in AllUsesDominatedByBlock()
234                                         MachineBasicBlock *DefMBB,  in AllUsesDominatedByBlock()
263     MachineBasicBlock *UseBlock = UseInst->getParent();  in AllUsesDominatedByBlock()
277     MachineBasicBlock *UseBlock = UseInst->getParent();  in AllUsesDominatedByBlock()
348 bool MachineSinking::ProcessBlock(MachineBasicBlock &MBB) {  in ProcessBlock()
363   MachineBasicBlock::iterator I = MBB.end();  in ProcessBlock()
396                                                  MachineBasicBlock *From,  in isWorthBreakingCriticalEdge()
397                                                  MachineBasicBlock *To) {  in isWorthBreakingCriticalEdge()
447                                                MachineBasicBlock *FromBB,  in PostponeSplitCriticalEdge()
448                                                MachineBasicBlock *ToBB,  in PostponeSplitCriticalEdge()
502     for (MachineBasicBlock::pred_iterator PI = ToBB->pred_begin(),  in PostponeSplitCriticalEdge()
518                                           MachineBasicBlock *MBB,  in isProfitableToSinkTo()
519                                           MachineBasicBlock *SuccToSinkTo,  in isProfitableToSinkTo()
538     MachineBasicBlock *UseBlock = UseInst.getParent();  in isProfitableToSinkTo()
549   if (MachineBasicBlock *MBB2 =  in isProfitableToSinkTo()
560 SmallVector<MachineBasicBlock *, 4> &
561 MachineSinking::GetAllSortedSuccessors(MachineInstr &MI, MachineBasicBlock *MBB,  in GetAllSortedSuccessors()
568   SmallVector<MachineBasicBlock *, 4> AllSuccs(MBB->succ_begin(),  in GetAllSortedSuccessors()
590       [this](const MachineBasicBlock *L, const MachineBasicBlock *R) {  in GetAllSortedSuccessors()
604 MachineBasicBlock *
605 MachineSinking::FindSuccToSinkTo(MachineInstr &MI, MachineBasicBlock *MBB,  in FindSuccToSinkTo()
615   MachineBasicBlock *SuccToSinkTo = nullptr;  in FindSuccToSinkTo()
659       for (MachineBasicBlock *SuccBlock :  in FindSuccToSinkTo()
742 static void performSink(MachineInstr &MI, MachineBasicBlock &SuccToSinkTo,  in performSink()
743                         MachineBasicBlock::iterator InsertPos,  in performSink()
763   MachineBasicBlock *ParentBlock = MI.getParent();  in performSink()
765                       ++MachineBasicBlock::iterator(MI));  in performSink()
773                         ++MachineBasicBlock::iterator(DbgMI));  in performSink()
808   MachineBasicBlock *ParentBlock = MI.getParent();  in SinkInstruction()
809   MachineBasicBlock *SuccToSinkTo =  in SinkInstruction()
886   MachineBasicBlock::iterator InsertPos = SuccToSinkTo->begin();  in SinkInstruction()
968   bool tryToSinkCopy(MachineBasicBlock &BB, MachineFunction &MF,
979 static bool aliasWithRegsInLiveIn(MachineBasicBlock &MBB, unsigned Reg,  in aliasWithRegsInLiveIn()
986 static MachineBasicBlock *
987 getSingleLiveInSuccBB(MachineBasicBlock &CurBB,  in getSingleLiveInSuccBB()
988                       const SmallPtrSetImpl<MachineBasicBlock *> &SinkableBBs,  in getSingleLiveInSuccBB()
991   MachineBasicBlock *BB = nullptr;  in getSingleLiveInSuccBB()
1013 static MachineBasicBlock *
1014 getSingleLiveInSuccBB(MachineBasicBlock &CurBB,  in getSingleLiveInSuccBB()
1015                       const SmallPtrSetImpl<MachineBasicBlock *> &SinkableBBs,  in getSingleLiveInSuccBB()
1018   MachineBasicBlock *SingleBB = nullptr;  in getSingleLiveInSuccBB()
1020     MachineBasicBlock *BB =  in getSingleLiveInSuccBB()
1029 static void clearKillFlags(MachineInstr *MI, MachineBasicBlock &CurBB,  in clearKillFlags()
1037       MachineBasicBlock::iterator NI = std::next(MI->getIterator());  in clearKillFlags()
1049 static void updateLiveIn(MachineInstr *MI, MachineBasicBlock *SuccBB,  in updateLiveIn()
1099 bool PostRAMachineSinking::tryToSinkCopy(MachineBasicBlock &CurBB,  in tryToSinkCopy()
1103   SmallPtrSet<MachineBasicBlock *, 2> SinkableBBs;  in tryToSinkCopy()
1107   for (MachineBasicBlock *SI : CurBB.successors())  in tryToSinkCopy()
1170     MachineBasicBlock *SuccBB =  in tryToSinkCopy()
1195     MachineBasicBlock::iterator InsertPos = SuccBB->getFirstNonPHI();  in tryToSinkCopy()