//===-- AVRFrameLowering.h - Define frame lowering for AVR ------*- C++ -*-===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// #ifndef LLVM_AVR_FRAME_LOWERING_H #define LLVM_AVR_FRAME_LOWERING_H #include "llvm/Target/TargetFrameLowering.h" namespace llvm { /// Utilities for creating function call frames. class AVRFrameLowering : public TargetFrameLowering { public: explicit AVRFrameLowering(); public: void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override; void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override; bool hasFP(const MachineFunction &MF) 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 hasReservedCallFrame(const MachineFunction &MF) const override; bool canSimplifyCallFramePseudos(const MachineFunction &MF) const override; void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs, RegScavenger *RS = nullptr) const override; MachineBasicBlock::iterator eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB, MachineBasicBlock::iterator MI) const override; }; } // end namespace llvm #endif // LLVM_AVR_FRAME_LOWERING_H