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annotate lib/Target/ARM/Thumb1InstrInfo.h @ 0:95c75e76d11b LLVM3.4

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
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children 54457678186b
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1 //===-- Thumb1InstrInfo.h - Thumb-1 Instruction Information -----*- 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 // This file contains the Thumb-1 implementation of the TargetInstrInfo class.
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11 //
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12 //===----------------------------------------------------------------------===//
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13
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14 #ifndef THUMB1INSTRUCTIONINFO_H
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15 #define THUMB1INSTRUCTIONINFO_H
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16
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17 #include "ARM.h"
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18 #include "ARMBaseInstrInfo.h"
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19 #include "Thumb1RegisterInfo.h"
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20
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21 namespace llvm {
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22 class ARMSubtarget;
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23
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24 class Thumb1InstrInfo : public ARMBaseInstrInfo {
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25 Thumb1RegisterInfo RI;
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26 public:
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27 explicit Thumb1InstrInfo(const ARMSubtarget &STI);
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28
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29 /// getNoopForMachoTarget - Return the noop instruction to use for a noop.
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30 void getNoopForMachoTarget(MCInst &NopInst) const;
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31
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32 // Return the non-pre/post incrementing version of 'Opc'. Return 0
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33 // if there is not such an opcode.
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34 unsigned getUnindexedOpcode(unsigned Opc) const;
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35
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36 /// getRegisterInfo - TargetInstrInfo is a superset of MRegister info. As
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37 /// such, whenever a client has an instance of instruction info, it should
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38 /// always be able to get register info as well (through this method).
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39 ///
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40 const Thumb1RegisterInfo &getRegisterInfo() const { return RI; }
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41
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42 void copyPhysReg(MachineBasicBlock &MBB,
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43 MachineBasicBlock::iterator I, DebugLoc DL,
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44 unsigned DestReg, unsigned SrcReg,
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45 bool KillSrc) const;
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46 void storeRegToStackSlot(MachineBasicBlock &MBB,
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47 MachineBasicBlock::iterator MBBI,
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48 unsigned SrcReg, bool isKill, int FrameIndex,
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49 const TargetRegisterClass *RC,
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50 const TargetRegisterInfo *TRI) const;
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51
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52 void loadRegFromStackSlot(MachineBasicBlock &MBB,
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53 MachineBasicBlock::iterator MBBI,
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54 unsigned DestReg, int FrameIndex,
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55 const TargetRegisterClass *RC,
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56 const TargetRegisterInfo *TRI) const;
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57
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58 };
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59 }
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60
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61 #endif // THUMB1INSTRUCTIONINFO_H