| //===- InstrInfoEmitter.h - Generate a Instruction Set Desc. ----*- 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 description of the target |
| // instruction set for the code generator. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef INSTRINFO_EMITTER_H |
| #define INSTRINFO_EMITTER_H |
| |
| #include "TableGenBackend.h" |
| |
| namespace llvm { |
| |
| class StringInit; |
| class IntInit; |
| class ListInit; |
| |
| class InstrInfoEmitter : public TableGenBackend { |
| RecordKeeper &Records; |
| public: |
| InstrInfoEmitter(RecordKeeper &R) : Records(R) {} |
| |
| // run - Output the instruction set description, returning true on failure. |
| void run(std::ostream &OS); |
| |
| // runEnums - Print out enum values for all of the instructions. |
| void runEnums(std::ostream &OS); |
| private: |
| void printDefList(ListInit *LI, const std::string &Name, |
| std::ostream &OS) const; |
| void emitRecord(Record *R, unsigned Num, Record *InstrInfo, std::ostream &OS); |
| void emitShiftedValue(Record *R, StringInit *Val, IntInit *Shift, |
| std::ostream &OS); |
| }; |
| |
| } // End llvm namespace |
| |
| #endif |