BitcodeWriterPass.cpp revision 36b56886974eae4f9c5ebc96befd3e7bfe5de338 
1//===- BitcodeWriterPass.cpp - Bitcode writing pass -----------------------===//
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/BitcodeWriterPass.h"
15#include "llvm/Bitcode/ReaderWriter.h"
16#include "llvm/IR/Module.h"
17#include "llvm/IR/PassManager.h"
18#include "llvm/Pass.h"
19using namespace llvm;
20
21PreservedAnalyses BitcodeWriterPass::run(Module *M) {
22  WriteBitcodeToFile(M, OS);
23  return PreservedAnalyses::all();
24}
25
26namespace {
27  class WriteBitcodePass : public ModulePass {
28    raw_ostream &OS; // raw_ostream to print on
29  public:
30    static char ID; // Pass identification, replacement for typeid
31    explicit WriteBitcodePass(raw_ostream &o)
32      : ModulePass(ID), OS(o) {}
33
34    const char *getPassName() const override { return "Bitcode Writer"; }
35
36    bool runOnModule(Module &M) override {
37      WriteBitcodeToFile(&M, OS);
38      return false;
39    }
40  };
41}
42
43char WriteBitcodePass::ID = 0;
44
45ModulePass *llvm::createBitcodeWriterPass(raw_ostream &Str) {
46  return new WriteBitcodePass(Str);
47}
48