1 //===- MipsSEFrameLowering.h - Mips32/64 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 #ifndef LLVM_LIB_TARGET_MIPS_MIPSSEFRAMELOWERING_H 10 #define LLVM_LIB_TARGET_MIPS_MIPSSEFRAMELOWERING_H 11 12 #include "MipsFrameLowering.h" 13 14 namespace llvm { 15 16 class MachineBasicBlock; 17 class MachineFunction; 18 class MipsSubtarget; 19 20 class MipsSEFrameLowering : public MipsFrameLowering { 21 public: 22 explicit MipsSEFrameLowering(const MipsSubtarget &STI); 23 24 /// emitProlog/emitEpilog - These methods insert prolog and epilog code into 25 /// the function. 26 void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override; 27 void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override; 28 29 StackOffset getFrameIndexReference(const MachineFunction &MF, int FI, 30 Register &FrameReg) const override; 31 32 bool spillCalleeSavedRegisters(MachineBasicBlock &MBB, 33 MachineBasicBlock::iterator MI, 34 ArrayRef<CalleeSavedInfo> CSI, 35 const TargetRegisterInfo *TRI) const override; 36 37 bool hasReservedCallFrame(const MachineFunction &MF) const override; 38 39 void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs, 40 RegScavenger *RS) const override; 41 42 private: 43 void emitInterruptEpilogueStub(MachineFunction &MF, 44 MachineBasicBlock &MBB) const; 45 void emitInterruptPrologueStub(MachineFunction &MF, 46 MachineBasicBlock &MBB) const; 47 }; 48 49 } // end namespace llvm 50 51 #endif // LLVM_LIB_TARGET_MIPS_MIPSSEFRAMELOWERING_H 52