10b57cec5SDimitry Andric //===-- AVRFrameLowering.h - Define frame lowering for AVR ------*- C++ -*-===// 20b57cec5SDimitry Andric // 30b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 40b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 50b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 60b57cec5SDimitry Andric // 70b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 80b57cec5SDimitry Andric 90b57cec5SDimitry Andric #ifndef LLVM_AVR_FRAME_LOWERING_H 100b57cec5SDimitry Andric #define LLVM_AVR_FRAME_LOWERING_H 110b57cec5SDimitry Andric 120b57cec5SDimitry Andric #include "llvm/CodeGen/TargetFrameLowering.h" 130b57cec5SDimitry Andric 140b57cec5SDimitry Andric namespace llvm { 150b57cec5SDimitry Andric 160b57cec5SDimitry Andric /// Utilities for creating function call frames. 170b57cec5SDimitry Andric class AVRFrameLowering : public TargetFrameLowering { 180b57cec5SDimitry Andric public: 190b57cec5SDimitry Andric explicit AVRFrameLowering(); 200b57cec5SDimitry Andric 210b57cec5SDimitry Andric public: 220b57cec5SDimitry Andric void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override; 230b57cec5SDimitry Andric void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override; 240b57cec5SDimitry Andric bool hasFP(const MachineFunction &MF) const override; 250b57cec5SDimitry Andric bool spillCalleeSavedRegisters(MachineBasicBlock &MBB, 260b57cec5SDimitry Andric MachineBasicBlock::iterator MI, 27*5ffd83dbSDimitry Andric ArrayRef<CalleeSavedInfo> CSI, 280b57cec5SDimitry Andric const TargetRegisterInfo *TRI) const override; 290b57cec5SDimitry Andric bool 300b57cec5SDimitry Andric restoreCalleeSavedRegisters(MachineBasicBlock &MBB, 310b57cec5SDimitry Andric MachineBasicBlock::iterator MI, 32*5ffd83dbSDimitry Andric MutableArrayRef<CalleeSavedInfo> CSI, 330b57cec5SDimitry Andric const TargetRegisterInfo *TRI) const override; 340b57cec5SDimitry Andric bool hasReservedCallFrame(const MachineFunction &MF) const override; 350b57cec5SDimitry Andric bool canSimplifyCallFramePseudos(const MachineFunction &MF) const override; 360b57cec5SDimitry Andric void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs, 370b57cec5SDimitry Andric RegScavenger *RS = nullptr) const override; 380b57cec5SDimitry Andric MachineBasicBlock::iterator 390b57cec5SDimitry Andric eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB, 400b57cec5SDimitry Andric MachineBasicBlock::iterator MI) const override; 410b57cec5SDimitry Andric }; 420b57cec5SDimitry Andric 430b57cec5SDimitry Andric } // end namespace llvm 440b57cec5SDimitry Andric 450b57cec5SDimitry Andric #endif // LLVM_AVR_FRAME_LOWERING_H 46