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annotate lib/Target/Mips/Mips16FrameLowering.h @ 100:7d135dc70f03 LLVM 3.9

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LLVM 3.9
author Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
date Tue, 26 Jan 2016 22:53:40 +0900
parents afa8332a0e37
children 803732b1fca8
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1 //===-- Mips16FrameLowering.h - Mips16 frame lowering ----------*- C++ -*-===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9 //
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10 //
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11 //
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12 //===----------------------------------------------------------------------===//
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14 #ifndef LLVM_LIB_TARGET_MIPS_MIPS16FRAMELOWERING_H
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15 #define LLVM_LIB_TARGET_MIPS_MIPS16FRAMELOWERING_H
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16
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17 #include "MipsFrameLowering.h"
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18
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19 namespace llvm {
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20 class Mips16FrameLowering : public MipsFrameLowering {
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21 public:
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22 explicit Mips16FrameLowering(const MipsSubtarget &STI);
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23
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24 /// emitProlog/emitEpilog - These methods insert prolog and epilog code into
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25 /// the function.
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26 void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
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27 void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
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28
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29 bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
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30 MachineBasicBlock::iterator MI,
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31 const std::vector<CalleeSavedInfo> &CSI,
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32 const TargetRegisterInfo *TRI) const override;
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33
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34 bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
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35 MachineBasicBlock::iterator MI,
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36 const std::vector<CalleeSavedInfo> &CSI,
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37 const TargetRegisterInfo *TRI) const override;
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39 bool hasReservedCallFrame(const MachineFunction &MF) const override;
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41 void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs,
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42 RegScavenger *RS) const override;
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43 };
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45 } // End llvm namespace
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46
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47 #endif