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//===- AsmWriterEmitter.h - Generate an assembly writer ---------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This tablegen backend is responsible for emitting an assembly printer for the
// code generator.
//
//===----------------------------------------------------------------------===//
#ifndef ASMWRITER_EMITTER_H
#define ASMWRITER_EMITTER_H
#include "llvm/TableGen/TableGenBackend.h"
#include <map>
#include <vector>
#include <cassert>
namespace llvm {
class AsmWriterInst;
class CodeGenInstruction;
class AsmWriterEmitter : public TableGenBackend {
RecordKeeper &Records;
std::map<const CodeGenInstruction*, AsmWriterInst*> CGIAWIMap;
std::vector<const CodeGenInstruction*> NumberedInstructions;
public:
AsmWriterEmitter(RecordKeeper &R) : Records(R) {}
// run - Output the asmwriter, returning true on failure.
void run(raw_ostream &o);
private:
void EmitPrintInstruction(raw_ostream &o);
void EmitGetRegisterName(raw_ostream &o);
void EmitGetInstructionName(raw_ostream &o);
void EmitRegIsInRegClass(raw_ostream &O);
void EmitPrintAliasInstruction(raw_ostream &O);
AsmWriterInst *getAsmWriterInstByID(unsigned ID) const {
assert(ID < NumberedInstructions.size());
std::map<const CodeGenInstruction*, AsmWriterInst*>::const_iterator I =
CGIAWIMap.find(NumberedInstructions[ID]);
assert(I != CGIAWIMap.end() && "Didn't find inst!");
return I->second;
}
void FindUniqueOperandCommands(std::vector<std::string> &UOC,
std::vector<unsigned> &InstIdxs,
std::vector<unsigned> &InstOpsUsed) const;
};
}
#endif
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