BitcodeWriterPass.cpp revision 193323 
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"
16using namespace llvm;
17
18namespace {
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
43char WriteBitcodePass::ID = 0;
44
45/// CreateBitcodeWriterPass - Create and return a pass that writes the module
46/// to the specified ostream.
47ModulePass *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.
54ModulePass *llvm::createBitcodeWriterPass(raw_ostream &Str) {
55  return new WriteBitcodePass(Str);
56}
57