1*0b57cec5SDimitry Andric //==- MSP430FrameLowering.h - Define frame lowering for MSP430 --*- C++ -*--==// 2*0b57cec5SDimitry Andric // 3*0b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*0b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5*0b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*0b57cec5SDimitry Andric // 7*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 8*0b57cec5SDimitry Andric // 9*0b57cec5SDimitry Andric // 10*0b57cec5SDimitry Andric // 11*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 12*0b57cec5SDimitry Andric 13*0b57cec5SDimitry Andric #ifndef LLVM_LIB_TARGET_MSP430_MSP430FRAMELOWERING_H 14*0b57cec5SDimitry Andric #define LLVM_LIB_TARGET_MSP430_MSP430FRAMELOWERING_H 15*0b57cec5SDimitry Andric 16*0b57cec5SDimitry Andric #include "MSP430.h" 17*0b57cec5SDimitry Andric #include "llvm/CodeGen/TargetFrameLowering.h" 18*0b57cec5SDimitry Andric 19*0b57cec5SDimitry Andric namespace llvm { 20*0b57cec5SDimitry Andric class MSP430FrameLowering : public TargetFrameLowering { 21*0b57cec5SDimitry Andric protected: 22*0b57cec5SDimitry Andric 23*0b57cec5SDimitry Andric public: 24*0b57cec5SDimitry Andric explicit MSP430FrameLowering() 25*0b57cec5SDimitry Andric : TargetFrameLowering(TargetFrameLowering::StackGrowsDown, 2, -2, 2) {} 26*0b57cec5SDimitry Andric 27*0b57cec5SDimitry Andric /// emitProlog/emitEpilog - These methods insert prolog and epilog code into 28*0b57cec5SDimitry Andric /// the function. 29*0b57cec5SDimitry Andric void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override; 30*0b57cec5SDimitry Andric void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override; 31*0b57cec5SDimitry Andric 32*0b57cec5SDimitry Andric MachineBasicBlock::iterator 33*0b57cec5SDimitry Andric eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB, 34*0b57cec5SDimitry Andric MachineBasicBlock::iterator I) const override; 35*0b57cec5SDimitry Andric 36*0b57cec5SDimitry Andric bool spillCalleeSavedRegisters(MachineBasicBlock &MBB, 37*0b57cec5SDimitry Andric MachineBasicBlock::iterator MI, 38*0b57cec5SDimitry Andric const std::vector<CalleeSavedInfo> &CSI, 39*0b57cec5SDimitry Andric const TargetRegisterInfo *TRI) const override; 40*0b57cec5SDimitry Andric bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB, 41*0b57cec5SDimitry Andric MachineBasicBlock::iterator MI, 42*0b57cec5SDimitry Andric std::vector<CalleeSavedInfo> &CSI, 43*0b57cec5SDimitry Andric const TargetRegisterInfo *TRI) const override; 44*0b57cec5SDimitry Andric 45*0b57cec5SDimitry Andric bool hasFP(const MachineFunction &MF) const override; 46*0b57cec5SDimitry Andric bool hasReservedCallFrame(const MachineFunction &MF) const override; 47*0b57cec5SDimitry Andric void processFunctionBeforeFrameFinalized(MachineFunction &MF, 48*0b57cec5SDimitry Andric RegScavenger *RS = nullptr) const override; 49*0b57cec5SDimitry Andric }; 50*0b57cec5SDimitry Andric 51*0b57cec5SDimitry Andric } // End llvm namespace 52*0b57cec5SDimitry Andric 53*0b57cec5SDimitry Andric #endif 54