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//===- SimpleInstrSelEmitter.h - Generate a Simple Instruction Selector ----*- 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.
//
//===----------------------------------------------------------------------===//
//
// This tablegen backend is responsible for emitting a simple instruction selector
//
//
//===----------------------------------------------------------------------===//
#ifndef SIMPLE_INSTR_SELECTOR_EMITTER_H
#define SIMPLE_INSTR_SELECTOR_EMITTER_H
#include "TableGenBackend.h"
#include "CodeGenWrappers.h"
#include <vector>
#include <map>
#include <cassert>
namespace llvm {
class Init;
class InstrSelectorEmitter;
/// InstrSelectorEmitter - The top-level class which coordinates construction
/// and emission of the instruction selector.
///
class SimpleInstrSelEmitter : public TableGenBackend {
RecordKeeper &Records;
std::string globalSpacing;
public:
SimpleInstrSelEmitter(RecordKeeper &R) : Records(R) {globalSpacing = " ";}
// run - Output the instruction set description, returning true on failure.
void run(std::ostream &OS);
Record* SimpleInstrSelEmitter::findInstruction(std::ostream &OS, std::string cl, std::vector<std::string>& vi);
Record* SimpleInstrSelEmitter::findRegister(std::ostream &OS, std::string regname);
std::string SimpleInstrSelEmitter::formatRegister(std::ostream &OS, std::string regname);
void SimpleInstrSelEmitter::generateBMIcall(std::ostream &OS, std::string MBB, std::string IP, std::string Opcode, int NumOperands, ListInit &l, ListInit &r);
void SimpleInstrSelEmitter::InstrSubclasses(std::ostream &OS, std::string prefix, std::string InstrClassName, ListInit* SupportedSubclasses, std::vector<std::string>& vi, unsigned depth);
std::string spacing();
std::string addspacing();
std::string remspacing();
};
} // End llvm namespace
#endif
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