49 struct MIRef {  struct
54   MIRef() = default;
55   MIRef(MachineBasicBlock *MBB) : MBB(MBB) {  in MIRef()  function
60   MIRef(MachineInstr *MI)  in MIRef()  argument
63   MIRef(MachineInstr *MI, MachineBasicBlock *MBB)  in MIRef()  function
66   MIRef(MachineInstr *MI, MachineBasicBlock *MBB, size_t Pos)  in MIRef()  argument
69   bool operator==(const MIRef &RHS) const {  in operator ==()  argument
72   bool operator!=(const MIRef &RHS) const { return !(*this == RHS); }  in operator !=()  argument
73   bool operator<(const MIRef &RHS) const {  in operator <()  argument
78   bool operator>(const MIRef &RHS) const {  in operator >()  argument
86   MIRef FirstAMX;
87   MIRef LastCall;
98   DenseMap<MachineBasicBlock *, SmallVector<MIRef, 8>> ShapeBBs;
141   bool hoistShapesInBB(MachineBasicBlock *MBB, SmallVectorImpl<MIRef> &Shapes) {  in hoistShapesInBB()
142     MIRef &FirstAMX = BBVisitedInfo[MBB].FirstAMX;  in hoistShapesInBB()
154         if (MO.isReg() && MIRef(MRI->getVRegDef(MO.getReg())) > FirstAMX)  in hoistShapesInBB()
162     Shapes.push_back(MIRef(&*--InsertPoint, MBB));  in hoistShapesInBB()
206     MIRef MIR(MI, MBB);  in INITIALIZE_PASS_DEPENDENCY()
246   SmallSet<MIRef, 8> CfgNeedInsert;  in runOnMachineFunction()
260           BBVisitedInfo[&MBB].FirstAMX = MIRef(&MI, &MBB, Pos);  in runOnMachineFunction()
263         BBVisitedInfo[&MBB].LastCall = MIRef(&MI, &MBB, Pos);  in runOnMachineFunction()
268         CfgNeedInsert.insert(MIRef(&MBB));  in runOnMachineFunction()
287           CfgNeedInsert.insert(MIRef(Pred));  in runOnMachineFunction()
321   SmallSet<MIRef, 8> VisitedOrInserted;  in runOnMachineFunction()
327     SmallSet<MIRef, 8> InsertPoints;  in runOnMachineFunction()
328     SmallVector<MIRef, 8> WorkList({I});  in runOnMachineFunction()
330       MIRef I = WorkList.pop_back_val();  in runOnMachineFunction()
342               WorkList.push_back(MIRef(Succ));  in runOnMachineFunction()
348     for (MIRef I : InsertPoints) {  in runOnMachineFunction()