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annotate lib/Target/Mips/MipsMCInstLower.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 54457678186b
children 1172e4bd9c6f
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1 //===-- MipsMCInstLower.h - Lower MachineInstr to MCInst -------*- 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 #ifndef LLVM_LIB_TARGET_MIPS_MIPSMCINSTLOWER_H
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11 #define LLVM_LIB_TARGET_MIPS_MIPSMCINSTLOWER_H
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12 #include "MCTargetDesc/MipsMCExpr.h"
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13 #include "llvm/ADT/SmallVector.h"
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14 #include "llvm/CodeGen/MachineOperand.h"
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15 #include "llvm/Support/Compiler.h"
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16
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17 namespace llvm {
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18 class MCContext;
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19 class MCInst;
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20 class MCOperand;
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21 class MachineInstr;
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22 class MachineFunction;
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23 class MipsAsmPrinter;
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24
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25 /// MipsMCInstLower - This class is used to lower an MachineInstr into an
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26 // MCInst.
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27 class LLVM_LIBRARY_VISIBILITY MipsMCInstLower {
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28 typedef MachineOperand::MachineOperandType MachineOperandType;
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29 MCContext *Ctx;
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30 MipsAsmPrinter &AsmPrinter;
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31 public:
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32 MipsMCInstLower(MipsAsmPrinter &asmprinter);
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33 void Initialize(MCContext *C);
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34 void Lower(const MachineInstr *MI, MCInst &OutMI) const;
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35 MCOperand LowerOperand(const MachineOperand& MO, unsigned offset = 0) const;
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36
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37 private:
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38 MCOperand LowerSymbolOperand(const MachineOperand &MO,
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39 MachineOperandType MOTy, unsigned Offset) const;
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40 MCOperand createSub(MachineBasicBlock *BB1, MachineBasicBlock *BB2,
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41 MCSymbolRefExpr::VariantKind Kind) const;
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42 void lowerLongBranchLUi(const MachineInstr *MI, MCInst &OutMI) const;
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43 void lowerLongBranchADDiu(const MachineInstr *MI, MCInst &OutMI,
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44 int Opcode,
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45 MCSymbolRefExpr::VariantKind Kind) const;
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46 bool lowerLongBranch(const MachineInstr *MI, MCInst &OutMI) const;
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47 };
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48 }
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49
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50 #endif