88   MachineInstr *getOperandDef(const MachineOperand &MO);
89   unsigned getDepth(SmallVectorImpl<MachineInstr *> &InsInstrs,
92   unsigned getLatency(MachineInstr *Root, MachineInstr *NewRoot,
95   improvesCriticalPathLen(MachineBasicBlock *MBB, MachineInstr *Root,
97                           SmallVectorImpl<MachineInstr *> &InsInstrs,
98                           SmallVectorImpl<MachineInstr *> &DelInstrs,
103                             SmallVectorImpl<MachineInstr *> &InsInstrs,
104                             SmallVectorImpl<MachineInstr *> &DelInstrs);
105   void instr2instrSC(SmallVectorImpl<MachineInstr *> &Instrs,
108   getLatenciesForInstrSequences(MachineInstr &MI,
109                                 SmallVectorImpl<MachineInstr *> &InsInstrs,
110                                 SmallVectorImpl<MachineInstr *> &DelInstrs,
113   void verifyPatternOrder(MachineBasicBlock *MBB, MachineInstr &Root,
138 MachineInstr *MachineCombiner::getOperandDef(const MachineOperand &MO) {  in getOperandDef()
139   MachineInstr *DefInstr = nullptr;  in getOperandDef()
158 MachineCombiner::getDepth(SmallVectorImpl<MachineInstr *> &InsInstrs,  in getDepth()
183         MachineInstr *DefInstr = InsInstrs[II->second];  in getDepth()
192         MachineInstr *DefInstr = getOperandDef(MO);  in getDepth()
217 unsigned MachineCombiner::getLatency(MachineInstr *Root, MachineInstr *NewRoot,  in getLatency()
236     MachineInstr *UseMO = RI->getParent();  in getLatency()
276     MachineInstr &MI, SmallVectorImpl<MachineInstr *> &InsInstrs,  in getLatenciesForInstrSequences()
277     SmallVectorImpl<MachineInstr *> &DelInstrs,  in getLatenciesForInstrSequences()
282   MachineInstr *NewRoot = InsInstrs.back();  in getLatenciesForInstrSequences()
300     MachineBasicBlock *MBB, MachineInstr *Root,  in improvesCriticalPathLen()
302     SmallVectorImpl<MachineInstr *> &InsInstrs,  in improvesCriticalPathLen()
303     SmallVectorImpl<MachineInstr *> &DelInstrs,  in improvesCriticalPathLen()
359     SmallVectorImpl<MachineInstr *> &Instrs,  in instr2instrSC()
372     SmallVectorImpl<MachineInstr *> &InsInstrs,  in preservesResourceLen()
373     SmallVectorImpl<MachineInstr *> &DelInstrs) {  in preservesResourceLen()
431 static void insertDeleteInstructions(MachineBasicBlock *MBB, MachineInstr &MI,  in insertDeleteInstructions()
432                                      SmallVector<MachineInstr *, 16> InsInstrs,  in insertDeleteInstructions()  argument
433                                      SmallVector<MachineInstr *, 16> DelInstrs,  in insertDeleteInstructions()
463     MachineBasicBlock *MBB, MachineInstr &Root,  in verifyPatternOrder()
468     SmallVector<MachineInstr *, 16> InsInstrs;  in verifyPatternOrder()
469     SmallVector<MachineInstr *, 16> DelInstrs;  in verifyPatternOrder()
548       SmallVector<MachineInstr *, 16> InsInstrs;  in combineInstructions()
549       SmallVector<MachineInstr *, 16> DelInstrs;  in combineInstructions()