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annotate include/llvm/MC/MCInstBuilder.h @ 95:afa8332a0e37

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LLVM 3.8
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 13 Oct 2015 17:48:58 +0900
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1 //===-- llvm/MC/MCInstBuilder.h - Simplify creation of MCInsts --*- 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 MCInstBuilder class for convenient creation of
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11 // MCInsts.
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12 //
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13 //===----------------------------------------------------------------------===//
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14
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15 #ifndef LLVM_MC_MCINSTBUILDER_H
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16 #define LLVM_MC_MCINSTBUILDER_H
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17
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18 #include "llvm/MC/MCInst.h"
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19
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20 namespace llvm {
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21
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22 class MCInstBuilder {
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23 MCInst Inst;
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24
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25 public:
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26 /// \brief Create a new MCInstBuilder for an MCInst with a specific opcode.
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27 MCInstBuilder(unsigned Opcode) {
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28 Inst.setOpcode(Opcode);
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29 }
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30
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31 /// \brief Add a new register operand.
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32 MCInstBuilder &addReg(unsigned Reg) {
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33 Inst.addOperand(MCOperand::createReg(Reg));
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34 return *this;
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35 }
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36
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37 /// \brief Add a new integer immediate operand.
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38 MCInstBuilder &addImm(int64_t Val) {
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39 Inst.addOperand(MCOperand::createImm(Val));
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40 return *this;
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41 }
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42
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43 /// \brief Add a new floating point immediate operand.
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44 MCInstBuilder &addFPImm(double Val) {
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45 Inst.addOperand(MCOperand::createFPImm(Val));
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46 return *this;
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47 }
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48
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49 /// \brief Add a new MCExpr operand.
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50 MCInstBuilder &addExpr(const MCExpr *Val) {
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51 Inst.addOperand(MCOperand::createExpr(Val));
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52 return *this;
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53 }
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54
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55 /// \brief Add a new MCInst operand.
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56 MCInstBuilder &addInst(const MCInst *Val) {
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57 Inst.addOperand(MCOperand::createInst(Val));
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58 return *this;
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59 }
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60
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61 /// \brief Add an operand.
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62 MCInstBuilder &addOperand(const MCOperand &Op) {
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63 Inst.addOperand(Op);
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64 return *this;
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65 }
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66
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67 operator MCInst&() {
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68 return Inst;
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69 }
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70 };
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71
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72 } // end namespace llvm
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73
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74 #endif