1 //===- AsmWriterEmitter.h - Generate an assembly writer ---------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This tablegen backend is responsible for emitting an assembly printer for the
13 //===----------------------------------------------------------------------===//
15 #ifndef ASMWRITER_EMITTER_H
16 #define ASMWRITER_EMITTER_H
18 #include "TableGenBackend.h"
25 class CodeGenInstruction;
27 class AsmWriterEmitter : public TableGenBackend {
28 RecordKeeper &Records;
29 std::map<const CodeGenInstruction*, AsmWriterInst*> CGIAWIMap;
30 std::vector<const CodeGenInstruction*> NumberedInstructions;
32 AsmWriterEmitter(RecordKeeper &R) : Records(R) {}
34 // run - Output the asmwriter, returning true on failure.
35 void run(std::ostream &o);
38 AsmWriterInst *getAsmWriterInstByID(unsigned ID) const {
39 assert(ID < NumberedInstructions.size());
40 std::map<const CodeGenInstruction*, AsmWriterInst*>::const_iterator I =
41 CGIAWIMap.find(NumberedInstructions[ID]);
42 assert(I != CGIAWIMap.end() && "Didn't find inst!");
45 void FindUniqueOperandCommands(std::vector<std::string> &UOC,
46 std::vector<unsigned> &InstIdxs,
47 std::vector<unsigned> &InstOpsUsed) const;