utils/TableGen/RegisterInfoEmitter.h

   1 //===- RegisterInfoEmitter.h - Generate a Register File Desc. ---*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This tablegen backend is responsible for emitting a description of a target
  11 // register file for a code generator.  It uses instances of the Register,
  12 // RegisterAliases, and RegisterClass classes to gather this information.
  13 //
  14 //===----------------------------------------------------------------------===//
  15
  16 #ifndef REGISTER_INFO_EMITTER_H
  17 #define REGISTER_INFO_EMITTER_H
  18
  19 #include "TableGenBackend.h"
  20
  21 namespace llvm {
  22
  23 class CodeGenRegBank;
  24 class CodeGenTarget;
  25
  26 class RegisterInfoEmitter : public TableGenBackend {
  27   RecordKeeper &Records;
  28 public:
  29   RegisterInfoEmitter(RecordKeeper &R) : Records(R) {}
  30
  31   // runEnums - Print out enum values for all of the registers.
  32   void runEnums(raw_ostream &o, CodeGenTarget &Target, CodeGenRegBank &Bank);
  33
  34   // runMCDesc - Print out MC register descriptions.
  35   void runMCDesc(raw_ostream &o, CodeGenTarget &Target, CodeGenRegBank &Bank);
  36
  37   // runTargetHeader - Emit a header fragment for the register info emitter.
  38   void runTargetHeader(raw_ostream &o, CodeGenTarget &Target,
  39                        CodeGenRegBank &Bank);
  40
  41   // runTargetDesc - Output the target register and register file descriptions.
  42   void runTargetDesc(raw_ostream &o, CodeGenTarget &Target,
  43                      CodeGenRegBank &Bank);
  44
  45   // run - Output the register file description.
  46   void run(raw_ostream &o);
  47 };
  48
  49 } // End llvm namespace
  50
  51 #endif