- virtual unsigned isStoreToStackSlot(const MachineInstr *MI,
- int &FrameIndex) const;
-
-
- virtual bool AnalyzeBranch(MachineBasicBlock &MBB,MachineBasicBlock *&TBB,
- MachineBasicBlock *&FBB,
- SmallVectorImpl<MachineOperand> &Cond,
- bool AllowModify) const;
-
- virtual unsigned RemoveBranch(MachineBasicBlock &MBB) const;
-
- virtual unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
- MachineBasicBlock *FBB,
- const SmallVectorImpl<MachineOperand> &Cond,
- DebugLoc DL) const;
-
- virtual bool analyzeCompare(const MachineInstr *MI,
- unsigned &SrcReg, unsigned &SrcReg2,
- int &Mask, int &Value) const;
-
- virtual void copyPhysReg(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator I, DebugLoc DL,
- unsigned DestReg, unsigned SrcReg,
- bool KillSrc) const;
-
- virtual void storeRegToStackSlot(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MBBI,
- unsigned SrcReg, bool isKill, int FrameIndex,
- const TargetRegisterClass *RC,
- const TargetRegisterInfo *TRI) const;
-
- virtual void storeRegToAddr(MachineFunction &MF, unsigned SrcReg, bool isKill,
- SmallVectorImpl<MachineOperand> &Addr,
- const TargetRegisterClass *RC,
- SmallVectorImpl<MachineInstr*> &NewMIs) const;
-
- virtual void loadRegFromStackSlot(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MBBI,
- unsigned DestReg, int FrameIndex,
- const TargetRegisterClass *RC,
- const TargetRegisterInfo *TRI) const;
-
- virtual void loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
- SmallVectorImpl<MachineOperand> &Addr,
- const TargetRegisterClass *RC,
- SmallVectorImpl<MachineInstr*> &NewMIs) const;
-
- virtual MachineInstr* foldMemoryOperandImpl(MachineFunction &MF,
- MachineInstr* MI,
- const SmallVectorImpl<unsigned> &Ops,
- int FrameIndex) const;
-
- virtual MachineInstr* foldMemoryOperandImpl(MachineFunction &MF,
- MachineInstr* MI,
- const SmallVectorImpl<unsigned> &Ops,
- MachineInstr* LoadMI) const {
- return 0;
+ unsigned isStoreToStackSlot(const MachineInstr *MI,
+ int &FrameIndex) const override;
+
+
+ bool AnalyzeBranch(MachineBasicBlock &MBB,MachineBasicBlock *&TBB,
+ MachineBasicBlock *&FBB,
+ SmallVectorImpl<MachineOperand> &Cond,
+ bool AllowModify) const override;
+
+ unsigned RemoveBranch(MachineBasicBlock &MBB) const override;
+
+ unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
+ MachineBasicBlock *FBB, ArrayRef<MachineOperand> Cond,
+ DebugLoc DL) const override;
+
+ bool analyzeCompare(const MachineInstr *MI,
+ unsigned &SrcReg, unsigned &SrcReg2,
+ int &Mask, int &Value) const override;
+
+ void copyPhysReg(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator I, DebugLoc DL,
+ unsigned DestReg, unsigned SrcReg,
+ bool KillSrc) const override;
+
+ void storeRegToStackSlot(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MBBI,
+ unsigned SrcReg, bool isKill, int FrameIndex,
+ const TargetRegisterClass *RC,
+ const TargetRegisterInfo *TRI) const override;
+
+ void storeRegToAddr(MachineFunction &MF, unsigned SrcReg, bool isKill,
+ SmallVectorImpl<MachineOperand> &Addr,
+ const TargetRegisterClass *RC,
+ SmallVectorImpl<MachineInstr*> &NewMIs) const;
+
+ void loadRegFromStackSlot(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MBBI,
+ unsigned DestReg, int FrameIndex,
+ const TargetRegisterClass *RC,
+ const TargetRegisterInfo *TRI) const override;
+
+ void loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
+ SmallVectorImpl<MachineOperand> &Addr,
+ const TargetRegisterClass *RC,
+ SmallVectorImpl<MachineInstr*> &NewMIs) const;
+
+ /// expandPostRAPseudo - This function is called for all pseudo instructions
+ /// that remain after register allocation. Many pseudo instructions are
+ /// created to help register allocation. This is the place to convert them
+ /// into real instructions. The target can edit MI in place, or it can insert
+ /// new instructions and erase MI. The function should return true if
+ /// anything was changed.
+ bool expandPostRAPseudo(MachineBasicBlock::iterator MI) const override;
+
+ MachineInstr *foldMemoryOperandImpl(MachineFunction &MF, MachineInstr *MI,
+ ArrayRef<unsigned> Ops,
+ MachineBasicBlock::iterator InsertPt,
+ int FrameIndex) const override;
+
+ MachineInstr *foldMemoryOperandImpl(MachineFunction &MF, MachineInstr *MI,
+ ArrayRef<unsigned> Ops,
+ MachineBasicBlock::iterator InsertPt,
+ MachineInstr *LoadMI) const override {
+ return nullptr;