1//===-- Mips16FrameLowering.h - Mips16 frame lowering ----------*- C++ -*-===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8// 9// 10// 11//===----------------------------------------------------------------------===// 12 13#ifndef LLVM_LIB_TARGET_MIPS_MIPS16FRAMELOWERING_H 14#define LLVM_LIB_TARGET_MIPS_MIPS16FRAMELOWERING_H 15 16#include "MipsFrameLowering.h" 17 18namespace llvm { 19class Mips16FrameLowering : public MipsFrameLowering { 20public: 21 explicit Mips16FrameLowering(const MipsSubtarget &STI); 22 23 /// emitProlog/emitEpilog - These methods insert prolog and epilog code into 24 /// the function. 25 void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override; 26 void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override; 27 28 bool spillCalleeSavedRegisters(MachineBasicBlock &MBB, 29 MachineBasicBlock::iterator MI, 30 ArrayRef<CalleeSavedInfo> CSI, 31 const TargetRegisterInfo *TRI) const override; 32 33 bool 34 restoreCalleeSavedRegisters(MachineBasicBlock &MBB, 35 MachineBasicBlock::iterator MI, 36 MutableArrayRef<CalleeSavedInfo> CSI, 37 const TargetRegisterInfo *TRI) const override; 38 39 bool hasReservedCallFrame(const MachineFunction &MF) const override; 40 41 void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs, 42 RegScavenger *RS) const override; 43}; 44 45} // End llvm namespace 46 47#endif 48