void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
+ bool canUseAsPrologue(const MachineBasicBlock &MBB) const override;
+
int getFrameIndexReference(const MachineFunction &MF, int FI,
unsigned &FrameReg) const override;
int resolveFrameIndexReference(const MachineFunction &MF, int FI,