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62 lines
2.0 KiB
C++
62 lines
2.0 KiB
C++
//===- SimpleInstrSelEmitter.h - Generate a Simple Instruction Selector ----*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This tablegen backend is responsible for emitting a simple instruction selector
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//
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//
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//===----------------------------------------------------------------------===//
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#ifndef SIMPLE_INSTR_SELECTOR_EMITTER_H
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#define SIMPLE_INSTR_SELECTOR_EMITTER_H
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#include "TableGenBackend.h"
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#include "CodeGenWrappers.h"
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#include <vector>
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#include <map>
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#include <cassert>
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namespace llvm {
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class Init;
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class InstrSelectorEmitter;
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/// InstrSelectorEmitter - The top-level class which coordinates construction
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/// and emission of the instruction selector.
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///
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class SimpleInstrSelEmitter : public TableGenBackend {
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RecordKeeper &Records;
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std::string globalSpacing;
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public:
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SimpleInstrSelEmitter(RecordKeeper &R) : Records(R) {globalSpacing = " ";}
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// run - Output the instruction set description, returning true on failure.
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void run(std::ostream &OS);
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Record* SimpleInstrSelEmitter::findInstruction(std::ostream &OS, std::string cl, std::vector<std::string>& vi);
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Record* SimpleInstrSelEmitter::findRegister(std::ostream &OS, std::string regname);
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std::string SimpleInstrSelEmitter::formatRegister(std::ostream &OS, std::string regname);
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void SimpleInstrSelEmitter::generateBMIcall(std::ostream &OS, std::string MBB, std::string IP, std::string Opcode, int NumOperands, ListInit &l, ListInit &r);
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void SimpleInstrSelEmitter::InstrSubclasses(std::ostream &OS, std::string prefix, std::string InstrClassName, ListInit* SupportedSubclasses, std::vector<std::string>& vi, unsigned depth);
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std::string spacing();
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std::string addspacing();
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std::string remspacing();
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};
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} // End llvm namespace
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#endif
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