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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     raw_ostream &OS; // raw_ostream to print on
21   public:
22     static char ID; // Pass identification, replacement for typeid
WriteBitcodePass(raw_ostream & o)23     explicit WriteBitcodePass(raw_ostream &o)
24       : ModulePass(ID), OS(o) {}
25 
getPassName() const26     const char *getPassName() const { return "Bitcode Writer"; }
27 
runOnModule(Module & M)28     bool runOnModule(Module &M) {
29       WriteBitcodeToFile(&M, OS);
30       return false;
31     }
32   };
33 }
34 
35 char WriteBitcodePass::ID = 0;
36 
37 /// createBitcodeWriterPass - Create and return a pass that writes the module
38 /// to the specified ostream.
createBitcodeWriterPass(raw_ostream & Str)39 ModulePass *llvm::createBitcodeWriterPass(raw_ostream &Str) {
40   return new WriteBitcodePass(Str);
41 }
42