1*9880d681SAndroid Build Coastguard Worker //===-- Mips16FrameLowering.h - Mips16 frame lowering ----------*- C++ -*-===// 2*9880d681SAndroid Build Coastguard Worker // 3*9880d681SAndroid Build Coastguard Worker // The LLVM Compiler Infrastructure 4*9880d681SAndroid Build Coastguard Worker // 5*9880d681SAndroid Build Coastguard Worker // This file is distributed under the University of Illinois Open Source 6*9880d681SAndroid Build Coastguard Worker // License. See LICENSE.TXT for details. 7*9880d681SAndroid Build Coastguard Worker // 8*9880d681SAndroid Build Coastguard Worker //===----------------------------------------------------------------------===// 9*9880d681SAndroid Build Coastguard Worker // 10*9880d681SAndroid Build Coastguard Worker // 11*9880d681SAndroid Build Coastguard Worker // 12*9880d681SAndroid Build Coastguard Worker //===----------------------------------------------------------------------===// 13*9880d681SAndroid Build Coastguard Worker 14*9880d681SAndroid Build Coastguard Worker #ifndef LLVM_LIB_TARGET_MIPS_MIPS16FRAMELOWERING_H 15*9880d681SAndroid Build Coastguard Worker #define LLVM_LIB_TARGET_MIPS_MIPS16FRAMELOWERING_H 16*9880d681SAndroid Build Coastguard Worker 17*9880d681SAndroid Build Coastguard Worker #include "MipsFrameLowering.h" 18*9880d681SAndroid Build Coastguard Worker 19*9880d681SAndroid Build Coastguard Worker namespace llvm { 20*9880d681SAndroid Build Coastguard Worker class Mips16FrameLowering : public MipsFrameLowering { 21*9880d681SAndroid Build Coastguard Worker public: 22*9880d681SAndroid Build Coastguard Worker explicit Mips16FrameLowering(const MipsSubtarget &STI); 23*9880d681SAndroid Build Coastguard Worker 24*9880d681SAndroid Build Coastguard Worker /// emitProlog/emitEpilog - These methods insert prolog and epilog code into 25*9880d681SAndroid Build Coastguard Worker /// the function. 26*9880d681SAndroid Build Coastguard Worker void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override; 27*9880d681SAndroid Build Coastguard Worker void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override; 28*9880d681SAndroid Build Coastguard Worker 29*9880d681SAndroid Build Coastguard Worker bool spillCalleeSavedRegisters(MachineBasicBlock &MBB, 30*9880d681SAndroid Build Coastguard Worker MachineBasicBlock::iterator MI, 31*9880d681SAndroid Build Coastguard Worker const std::vector<CalleeSavedInfo> &CSI, 32*9880d681SAndroid Build Coastguard Worker const TargetRegisterInfo *TRI) const override; 33*9880d681SAndroid Build Coastguard Worker 34*9880d681SAndroid Build Coastguard Worker bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB, 35*9880d681SAndroid Build Coastguard Worker MachineBasicBlock::iterator MI, 36*9880d681SAndroid Build Coastguard Worker const std::vector<CalleeSavedInfo> &CSI, 37*9880d681SAndroid Build Coastguard Worker const TargetRegisterInfo *TRI) const override; 38*9880d681SAndroid Build Coastguard Worker 39*9880d681SAndroid Build Coastguard Worker bool hasReservedCallFrame(const MachineFunction &MF) const override; 40*9880d681SAndroid Build Coastguard Worker 41*9880d681SAndroid Build Coastguard Worker void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs, 42*9880d681SAndroid Build Coastguard Worker RegScavenger *RS) const override; 43*9880d681SAndroid Build Coastguard Worker }; 44*9880d681SAndroid Build Coastguard Worker 45*9880d681SAndroid Build Coastguard Worker } // End llvm namespace 46*9880d681SAndroid Build Coastguard Worker 47*9880d681SAndroid Build Coastguard Worker #endif 48