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llvm-6502/utils/TableGen/CodeEmitterGen.h
Jim Laskey f1b05bf755 1. Simplfy bit operations.
2. Coalesce instruction cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29135 91177308-0d34-0410-b5e6-96231b3b80d8
2006-07-13 21:02:53 +00:00

44 lines
1.2 KiB
C++

//===- CodeEmitterGen.h - Code Emitter Generator ----------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// FIXME: document
//
//===----------------------------------------------------------------------===//
#ifndef CODEMITTERGEN_H
#define CODEMITTERGEN_H
#include "TableGenBackend.h"
#include <map>
#include <vector>
#include <string>
namespace llvm {
class RecordVal;
class BitsInit;
class CodeEmitterGen : public TableGenBackend {
RecordKeeper &Records;
public:
CodeEmitterGen(RecordKeeper &R) : Records(R) {}
// run - Output the code emitter
void run(std::ostream &o);
private:
void emitMachineOpEmitter(std::ostream &o, const std::string &Namespace);
void emitGetValueBit(std::ostream &o, const std::string &Namespace);
void reverseBits(std::vector<Record*> &Insts);
int getVariableBit(const std::string &VarName, BitsInit *BI, int bit);
};
} // End llvm namespace
#endif