xref: /aosp_15_r20/external/llvm/lib/Target/Mips/Mips16FrameLowering.h (revision 9880d6810fe72a1726cb53787c6711e909410d58)
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
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