BitcodeWriterPass.cpp revision 288943 
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, ShouldPreserveUseListOrder);
23  return PreservedAnalyses::all();
24}
25
26namespace {
27  class WriteBitcodePass : public ModulePass {
28    raw_ostream &OS; // raw_ostream to print on
29    bool ShouldPreserveUseListOrder;
30
31  public:
32    static char ID; // Pass identification, replacement for typeid
33    explicit WriteBitcodePass(raw_ostream &o, bool ShouldPreserveUseListOrder)
34        : ModulePass(ID), OS(o),
35          ShouldPreserveUseListOrder(ShouldPreserveUseListOrder) {}
36
37    const char *getPassName() const override { return "Bitcode Writer"; }
38
39    bool runOnModule(Module &M) override {
40      WriteBitcodeToFile(&M, OS, ShouldPreserveUseListOrder);
41      return false;
42    }
43  };
44}
45
46char WriteBitcodePass::ID = 0;
47
48ModulePass *llvm::createBitcodeWriterPass(raw_ostream &Str,
49                                          bool ShouldPreserveUseListOrder) {
50  return new WriteBitcodePass(Str, ShouldPreserveUseListOrder);
51}
52