src/llvm/include/llvm/Bitcode/BitcodeWriterPass.h

   1 //===-- BitcodeWriterPass.h - Bitcode writing pass --------------*- 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 /// \file
  10 ///
  11 /// This file provides a bitcode writing pass.
  12 ///
  13 //===----------------------------------------------------------------------===//
  14
  15 #ifndef LLVM_BITCODE_BITCODEWRITERPASS_H
  16 #define LLVM_BITCODE_BITCODEWRITERPASS_H
  17
  18 #include "llvm/ADT/StringRef.h"
  19
  20 namespace llvm {
  21 class Module;
  22 class ModulePass;
  23 class raw_ostream;
  24 class PreservedAnalyses;
  25
  26 /// \brief Create and return a pass that writes the module to the specified
  27 /// ostream. Note that this pass is designed for use with the legacy pass
  28 /// manager.
  29 ModulePass *createBitcodeWriterPass(raw_ostream &Str);
  30
  31 /// \brief Pass for writing a module of IR out to a bitcode file.
  32 ///
  33 /// Note that this is intended for use with the new pass manager. To construct
  34 /// a pass for the legacy pass manager, use the function above.
  35 class BitcodeWriterPass {
  36   raw_ostream &OS;
  37
  38 public:
  39   /// \brief Construct a bitcode writer pass around a particular output stream.
  40   explicit BitcodeWriterPass(raw_ostream &OS) : OS(OS) {}
  41
  42   /// \brief Run the bitcode writer pass, and output the module to the selected
  43   /// output stream.
  44   PreservedAnalyses run(Module &M);
  45
  46   static StringRef name() { return "BitcodeWriterPass"; }
  47 };
  48
  49 }
  50
  51 #endif