//==- MSP430FrameLowering.h - Define frame lowering for MSP430 --*- C++ -*--==// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // // //===----------------------------------------------------------------------===// #ifndef MSP430_FRAMEINFO_H #define MSP430_FRAMEINFO_H #include "MSP430.h" #include "llvm/Target/TargetFrameLowering.h" namespace llvm { class MSP430FrameLowering : public TargetFrameLowering { protected: public: explicit MSP430FrameLowering() : TargetFrameLowering(TargetFrameLowering::StackGrowsDown, 2, -2, 2) {} /// emitProlog/emitEpilog - These methods insert prolog and epilog code into /// the function. void emitPrologue(MachineFunction &MF) const override; void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override; void eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB, MachineBasicBlock::iterator I) const override; bool spillCalleeSavedRegisters(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI, const std::vector<CalleeSavedInfo> &CSI, const TargetRegisterInfo *TRI) const override; bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI, const std::vector<CalleeSavedInfo> &CSI, const TargetRegisterInfo *TRI) const override; bool hasFP(const MachineFunction &MF) const override; bool hasReservedCallFrame(const MachineFunction &MF) const override; void processFunctionBeforeFrameFinalized(MachineFunction &MF, RegScavenger *RS = nullptr) const override; }; } // End llvm namespace #endif