92   struct MachineVerifier {  struct
93     MachineVerifier(Pass *pass, const char *b) : PASS(pass), Banner(b) {}  in MachineVerifier()  function
95     MachineVerifier(const char *b, LiveVariables *LiveVars,  in MachineVerifier()  argument
103     Pass *const PASS = nullptr;
104     const char *Banner;
105     const MachineFunction *MF = nullptr;
106     const TargetMachine *TM = nullptr;
107     const TargetInstrInfo *TII = nullptr;
108     const TargetRegisterInfo *TRI = nullptr;
109     const MachineRegisterInfo *MRI = nullptr;
110     const RegisterBankInfo *RBI = nullptr;
112     unsigned foundErrors = 0;
115     bool isFunctionRegBankSelected = false;
116     bool isFunctionSelected = false;
117     bool isFunctionTracksDebugUserValues = false;
119     using RegVector = SmallVector<Register, 16>;
120     using RegMaskVector = SmallVector<const uint32_t *, 4>;
121     using RegSet = DenseSet<Register>;
122     using RegMap = DenseMap<Register, const MachineInstr *>;
123     using BlockSet = SmallPtrSet<const MachineBasicBlock *, 8>;
125     const MachineInstr *FirstNonPHI = nullptr;
126     const MachineInstr *FirstTerminator = nullptr;
127     BlockSet FunctionBlocks;
129     BitVector regsReserved;
130     RegSet regsLive;
131     RegVector regsDefined, regsDead, regsKilled;
132     RegMaskVector regMasks;
134     SlotIndex lastIndex;
137     void addRegWithSubRegs(RegVector &RV, Register Reg) {  in addRegWithSubRegs()
143     struct BBInfo {
206     DenseMap<const MachineBasicBlock*, BBInfo> MBBInfoMap;
208     bool isReserved(Register Reg) {  in isReserved()
212     bool isAllocatable(Register Reg) const {  in isAllocatable()
218     LiveVariables *LiveVars = nullptr;
219     LiveIntervals *LiveInts = nullptr;
220     LiveStacks *LiveStks = nullptr;
221     SlotIndexes *Indexes = nullptr;