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//===-- llvm/MC/MCInstBuilder.h - Simplify creation of MCInsts --*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the MCInstBuilder class for convenient creation of
// MCInsts.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_MC_MCINSTBUILDER_H
#define LLVM_MC_MCINSTBUILDER_H
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCStreamer.h"
namespace llvm {
class MCInstBuilder {
MCInst Inst;
public:
/// \brief Create a new MCInstBuilder for an MCInst with a specific opcode.
MCInstBuilder(unsigned Opcode) {
Inst.setOpcode(Opcode);
}
/// \brief Add a new register operand.
MCInstBuilder &addReg(unsigned Reg) {
Inst.addOperand(MCOperand::CreateReg(Reg));
return *this;
}
/// \brief Add a new integer immediate operand.
MCInstBuilder &addImm(int64_t Val) {
Inst.addOperand(MCOperand::CreateImm(Val));
return *this;
}
/// \brief Add a new floating point immediate operand.
MCInstBuilder &addFPImm(double Val) {
Inst.addOperand(MCOperand::CreateFPImm(Val));
return *this;
}
/// \brief Add a new MCExpr operand.
MCInstBuilder &addExpr(const MCExpr *Val) {
Inst.addOperand(MCOperand::CreateExpr(Val));
return *this;
}
/// \brief Add a new MCInst operand.
MCInstBuilder &addInst(const MCInst *Val) {
Inst.addOperand(MCOperand::CreateInst(Val));
return *this;
}
/// \brief Emit the built instruction to an MCStreamer.
void emit(MCStreamer &OutStreamer) {
OutStreamer.EmitInstruction(Inst);
}
};
} // end namespace llvm
#endif
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