lib/Bitcode/Writer/BitcodeWriterPass.cpp

   1 //===--- Bitcode/Writer/BitcodeWriterPass.cpp - Bitcode Writer ------------===//
   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 // BitcodeWriterPass implementation.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "llvm/Bitcode/ReaderWriter.h"
  15 #include "llvm/Pass.h"
  16 using namespace llvm;
  17
  18 namespace {
  19   class WriteBitcodePass : public ModulePass {
  20     // FIXME: Kill off std::ostream
  21     std::ostream *Out;
  22     raw_ostream *RawOut; // raw_ostream to print on
  23   public:
  24     static char ID; // Pass identification, replacement for typeid
  25     explicit WriteBitcodePass(std::ostream &o)
  26       : ModulePass(&ID), Out(&o), RawOut(0) {}
  27     explicit WriteBitcodePass(raw_ostream &o)
  28       : ModulePass(&ID), Out(0), RawOut(&o) {}
  29
  30     const char *getPassName() const { return "Bitcode Writer"; }
  31
  32     bool runOnModule(Module &M) {
  33       if (Out) {
  34         WriteBitcodeToFile(&M, *Out);
  35       } else {
  36         WriteBitcodeToFile(&M, *RawOut);
  37       }
  38       return false;
  39     }
  40   };
  41 }
  42
  43 char WriteBitcodePass::ID = 0;
  44
  45 /// CreateBitcodeWriterPass - Create and return a pass that writes the module
  46 /// to the specified ostream.
  47 ModulePass *llvm::CreateBitcodeWriterPass(std::ostream &Str) {
  48   return new WriteBitcodePass(Str);
  49 }
  50
  51
  52 /// createBitcodeWriterPass - Create and return a pass that writes the module
  53 /// to the specified ostream.
  54 ModulePass *llvm::createBitcodeWriterPass(raw_ostream &Str) {
  55   return new WriteBitcodePass(Str);
  56 }