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 18 namespace llvm { 19 class Mips16FrameLowering : public MipsFrameLowering { 20 public: 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 const std::vector<CalleeSavedInfo> &CSI, 31 const TargetRegisterInfo *TRI) const override; 32 33 bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB, 34 MachineBasicBlock::iterator MI, 35 std::vector<CalleeSavedInfo> &CSI, 36 const TargetRegisterInfo *TRI) const override; 37 38 bool hasReservedCallFrame(const MachineFunction &MF) const override; 39 40 void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs, 41 RegScavenger *RS) const override; 42 }; 43 44 } // End llvm namespace 45 46 #endif 47