/usr/include/llvm-4.0/llvm/MC/MCInstrInfo.h is in llvm-4.0-dev 1:4.0.1-10.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | //===-- llvm/MC/MCInstrInfo.h - Target Instruction Info ---------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file describes the target machine instruction set.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_MC_MCINSTRINFO_H
#define LLVM_MC_MCINSTRINFO_H
#include "llvm/MC/MCInstrDesc.h"
#include <cassert>
namespace llvm {
//---------------------------------------------------------------------------
/// \brief Interface to description of machine instruction set.
class MCInstrInfo {
const MCInstrDesc *Desc; // Raw array to allow static init'n
const unsigned *InstrNameIndices; // Array for name indices in InstrNameData
const char *InstrNameData; // Instruction name string pool
unsigned NumOpcodes; // Number of entries in the desc array
public:
/// \brief Initialize MCInstrInfo, called by TableGen auto-generated routines.
/// *DO NOT USE*.
void InitMCInstrInfo(const MCInstrDesc *D, const unsigned *NI, const char *ND,
unsigned NO) {
Desc = D;
InstrNameIndices = NI;
InstrNameData = ND;
NumOpcodes = NO;
}
unsigned getNumOpcodes() const { return NumOpcodes; }
/// \brief Return the machine instruction descriptor that corresponds to the
/// specified instruction opcode.
const MCInstrDesc &get(unsigned Opcode) const {
assert(Opcode < NumOpcodes && "Invalid opcode!");
return Desc[Opcode];
}
/// \brief Returns the name for the instructions with the given opcode.
StringRef getName(unsigned Opcode) const {
assert(Opcode < NumOpcodes && "Invalid opcode!");
return StringRef(&InstrNameData[InstrNameIndices[Opcode]]);
}
};
} // End llvm namespace
#endif
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