1//===-- llvm/MC/MCInstBuilder.h - Simplify creation of MCInsts --*- 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// This file contains the MCInstBuilder class for convenient creation of 11// MCInsts. 12// 13//===----------------------------------------------------------------------===// 14 15#ifndef LLVM_MC_MCINSTBUILDER_H 16#define LLVM_MC_MCINSTBUILDER_H 17 18#include "llvm/MC/MCInst.h" 19 20namespace llvm { 21 22class MCInstBuilder { 23 MCInst Inst; 24 25public: 26 /// \brief Create a new MCInstBuilder for an MCInst with a specific opcode. 27 MCInstBuilder(unsigned Opcode) { 28 Inst.setOpcode(Opcode); 29 } 30 31 /// \brief Add a new register operand. 32 MCInstBuilder &addReg(unsigned Reg) { 33 Inst.addOperand(MCOperand::createReg(Reg)); 34 return *this; 35 } 36 37 /// \brief Add a new integer immediate operand. 38 MCInstBuilder &addImm(int64_t Val) { 39 Inst.addOperand(MCOperand::createImm(Val)); 40 return *this; 41 } 42 43 /// \brief Add a new floating point immediate operand. 44 MCInstBuilder &addFPImm(double Val) { 45 Inst.addOperand(MCOperand::createFPImm(Val)); 46 return *this; 47 } 48 49 /// \brief Add a new MCExpr operand. 50 MCInstBuilder &addExpr(const MCExpr *Val) { 51 Inst.addOperand(MCOperand::createExpr(Val)); 52 return *this; 53 } 54 55 /// \brief Add a new MCInst operand. 56 MCInstBuilder &addInst(const MCInst *Val) { 57 Inst.addOperand(MCOperand::createInst(Val)); 58 return *this; 59 } 60 61 /// \brief Add an operand. 62 MCInstBuilder &addOperand(const MCOperand &Op) { 63 Inst.addOperand(Op); 64 return *this; 65 } 66 67 operator MCInst&() { 68 return Inst; 69 } 70}; 71 72} // end namespace llvm 73 74#endif 75