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1 | //===-- Thumb1FrameLowering.h - Thumb1-specific frame info stuff --*- C++ -*-=// |
2 | // | |
3 | // The LLVM Compiler Infrastructure | |
4 | // | |
5 | // This file is distributed under the University of Illinois Open Source | |
6 | // License. See LICENSE.TXT for details. | |
7 | // | |
8 | //===----------------------------------------------------------------------===// | |
9 | // | |
10 | // | |
11 | // | |
12 | //===----------------------------------------------------------------------===// | |
13 | ||
1a4d82fc JJ |
14 | #ifndef LLVM_LIB_TARGET_ARM_THUMB1FRAMELOWERING_H |
15 | #define LLVM_LIB_TARGET_ARM_THUMB1FRAMELOWERING_H | |
223e47cc | 16 | |
223e47cc | 17 | #include "ARMFrameLowering.h" |
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18 | #include "Thumb1InstrInfo.h" |
19 | #include "Thumb1RegisterInfo.h" | |
20 | #include "llvm/Target/TargetFrameLowering.h" | |
21 | ||
22 | namespace llvm { | |
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23 | |
24 | class Thumb1FrameLowering : public ARMFrameLowering { | |
25 | public: | |
1a4d82fc | 26 | explicit Thumb1FrameLowering(const ARMSubtarget &sti); |
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27 | |
28 | /// emitProlog/emitEpilog - These methods insert prolog and epilog code into | |
29 | /// the function. | |
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30 | void emitPrologue(MachineFunction &MF) const override; |
31 | void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override; | |
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32 | |
33 | bool spillCalleeSavedRegisters(MachineBasicBlock &MBB, | |
34 | MachineBasicBlock::iterator MI, | |
35 | const std::vector<CalleeSavedInfo> &CSI, | |
1a4d82fc | 36 | const TargetRegisterInfo *TRI) const override; |
223e47cc | 37 | bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB, |
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38 | MachineBasicBlock::iterator MI, |
39 | const std::vector<CalleeSavedInfo> &CSI, | |
40 | const TargetRegisterInfo *TRI) const override; | |
223e47cc | 41 | |
1a4d82fc | 42 | bool hasReservedCallFrame(const MachineFunction &MF) const override; |
970d7e83 | 43 | |
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44 | void |
45 | eliminateCallFramePseudoInstr(MachineFunction &MF, | |
46 | MachineBasicBlock &MBB, | |
47 | MachineBasicBlock::iterator MI) const override; | |
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48 | }; |
49 | ||
50 | } // End llvm namespace | |
51 | ||
52 | #endif |