81   static bool canHandle(const MachineInstr *MI);
86   bool canReorder(const MachineInstr *A, const MachineInstr *B);
99     std::optional<ArrayRef<MachineInstr *>::iterator> PotentialDependence;
103         std::optional<ArrayRef<MachineInstr *>::iterator> PotentialDependence)  in DependenceResult()
115   DependenceResult computeDependence(const MachineInstr *MI,
116                                      ArrayRef<MachineInstr *> Block);
121     MachineInstr *MemOperation;
124     MachineInstr *CheckOperation;
137     MachineInstr *OnlyDependency;
140     explicit NullCheck(MachineInstr *memOperation, MachineInstr *checkOperation,  in NullCheck()
144                        MachineInstr *onlyDependency)  in NullCheck()
149     MachineInstr *getMemOperation() const { return MemOperation; }  in getMemOperation()
151     MachineInstr *getCheckOperation() const { return CheckOperation; }  in getCheckOperation()
159     MachineInstr *getOnlyDependency() const { return OnlyDependency; }  in getOnlyDependency()
169   MachineInstr *insertFaultingInstr(MachineInstr *MI, MachineBasicBlock *MBB,
182   AliasResult areMemoryOpsAliased(const MachineInstr &MI,
183                                   const MachineInstr *PrevMI) const;
197   SuitabilityResult isSuitableMemoryOp(const MachineInstr &MI,
199                                        ArrayRef<MachineInstr *> PrevInsts);
204   bool canDependenceHoistingClobberLiveIns(MachineInstr *DependenceMI,
210   bool canHoistInst(MachineInstr *FaultingMI,
211                     ArrayRef<MachineInstr *> InstsSeenSoFar,
212                     MachineBasicBlock *NullSucc, MachineInstr *&Dependence);
236 bool ImplicitNullChecks::canHandle(const MachineInstr *MI) {  in canHandle()
251 ImplicitNullChecks::computeDependence(const MachineInstr *MI,  in computeDependence()
252                                       ArrayRef<MachineInstr *> Block) {  in computeDependence()
256   std::optional<ArrayRef<MachineInstr *>::iterator> Dep;  in computeDependence()
274 bool ImplicitNullChecks::canReorder(const MachineInstr *A,  in canReorder()
275                                     const MachineInstr *B) {  in canReorder()
329 ImplicitNullChecks::areMemoryOpsAliased(const MachineInstr &MI,  in areMemoryOpsAliased()
330                                         const MachineInstr *PrevMI) const {  in areMemoryOpsAliased()
364 ImplicitNullChecks::isSuitableMemoryOp(const MachineInstr &MI,  in isSuitableMemoryOp()
366                                        ArrayRef<MachineInstr *> PrevInsts) {  in isSuitableMemoryOp()
405     MachineInstr *ModifyingMI = nullptr;  in isSuitableMemoryOp()
408       const MachineInstr *CurrMI = &*It;  in isSuitableMemoryOp()
410         ModifyingMI = const_cast<MachineInstr *>(CurrMI);  in isSuitableMemoryOp()
480     MachineInstr *DependenceMI, MachineBasicBlock *NullSucc) {  in canDependenceHoistingClobberLiveIns()
511 bool ImplicitNullChecks::canHoistInst(MachineInstr *FaultingMI,  in canHoistInst()
512                                       ArrayRef<MachineInstr *> InstsSeenSoFar,  in canHoistInst()
514                                       MachineInstr *&Dependence) {  in canHoistInst()
676   SmallVector<MachineInstr *, 8> InstsSeenSoFar;  in analyzeBlockForNullChecks()
682     MachineInstr *Dependence;  in analyzeBlockForNullChecks()
707 MachineInstr *ImplicitNullChecks::insertFaultingInstr(  in insertFaultingInstr()
708     MachineInstr *MI, MachineBasicBlock *MBB, MachineBasicBlock *HandlerMBB) {  in insertFaultingInstr()
774     MachineInstr *FaultingInstr = insertFaultingInstr(  in rewriteNullChecks()