1 //===- InstrInfoEmitter.h - Generate a Instruction Set Desc. ----*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the LLVM research group and is distributed under
6 // the University of Illinois Open Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This tablegen backend is responsible for emitting a description of the target
11 // instruction set for the code generator.
13 //===----------------------------------------------------------------------===//
15 #ifndef INSTRINFO_EMITTER_H
16 #define INSTRINFO_EMITTER_H
18 #include "TableGenBackend.h"
23 class InstrInfoEmitter : public TableGenBackend {
24 RecordKeeper &Records;
26 InstrInfoEmitter(RecordKeeper &R) : Records(R) {}
28 // run - Output the instruction set description, returning true on failure.
29 void run(std::ostream &OS);
31 // runEnums - Print out enum values for all of the instructions.
32 void runEnums(std::ostream &OS);
34 void printDefList(ListInit *LI, const std::string &Name,
35 std::ostream &OS) const;
36 void emitRecord(Record *R, unsigned Num, Record *InstrInfo, std::ostream &OS);
37 void emitShiftedValue(Record *R, StringInit *Val, IntInit *Shift,