- bool trackLivenessAfterRegAlloc(const MachineFunction &MF) const;
-
- void eliminateCallFramePseudoInstr(MachineFunction &MF,
- MachineBasicBlock &MBB,
- MachineBasicBlock::iterator I) const;
-
- void lowerDynamicAlloc(MachineBasicBlock::iterator II,
- int SPAdj, RegScavenger *RS) const;
- void lowerCRSpilling(MachineBasicBlock::iterator II, unsigned FrameIndex,
- int SPAdj, RegScavenger *RS) const;
- void lowerCRRestore(MachineBasicBlock::iterator II, unsigned FrameIndex,
- int SPAdj, RegScavenger *RS) const;
+ /// Code Generation virtual methods...
+ const MCPhysReg *
+ getCalleeSavedRegs(const MachineFunction* MF =nullptr) const override;
+ const uint32_t *getCallPreservedMask(CallingConv::ID CC) const override;
+ const uint32_t *getNoPreservedMask() const;
+
+ void adjustStackMapLiveOutMask(uint32_t *Mask) const override;
+
+ BitVector getReservedRegs(const MachineFunction &MF) const override;
+
+ /// We require the register scavenger.
+ bool requiresRegisterScavenging(const MachineFunction &MF) const override {
+ return true;
+ }
+
+ bool requiresFrameIndexScavenging(const MachineFunction &MF) const override {
+ return true;
+ }
+
+ bool trackLivenessAfterRegAlloc(const MachineFunction &MF) const override {
+ return true;
+ }
+
+ bool requiresVirtualBaseRegisters(const MachineFunction &MF) const override {
+ return true;
+ }
+
+ void lowerDynamicAlloc(MachineBasicBlock::iterator II) const;
+ void lowerCRSpilling(MachineBasicBlock::iterator II,
+ unsigned FrameIndex) const;
+ void lowerCRRestore(MachineBasicBlock::iterator II,
+ unsigned FrameIndex) const;
+ void lowerCRBitSpilling(MachineBasicBlock::iterator II,
+ unsigned FrameIndex) const;
+ void lowerCRBitRestore(MachineBasicBlock::iterator II,
+ unsigned FrameIndex) const;
+ void lowerVRSAVESpilling(MachineBasicBlock::iterator II,
+ unsigned FrameIndex) const;
+ void lowerVRSAVERestore(MachineBasicBlock::iterator II,
+ unsigned FrameIndex) const;
+
+ bool hasReservedSpillSlot(const MachineFunction &MF, unsigned Reg,
+ int &FrameIdx) const override;