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, EmitFunctionSummary);
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    bool EmitFunctionSummary;
31
32  public:
33    static char ID; // Pass identification, replacement for typeid
34    explicit WriteBitcodePass(raw_ostream &o, bool ShouldPreserveUseListOrder,
35                              bool EmitFunctionSummary)
36        : ModulePass(ID), OS(o),
37          ShouldPreserveUseListOrder(ShouldPreserveUseListOrder),
38          EmitFunctionSummary(EmitFunctionSummary) {}
39
40    const char *getPassName() const override { return "Bitcode Writer"; }
41
42    bool runOnModule(Module &M) override {
43      WriteBitcodeToFile(&M, OS, ShouldPreserveUseListOrder,
44                         EmitFunctionSummary);
45      return false;
46    }
47  };
48}
49
50char WriteBitcodePass::ID = 0;
51
52ModulePass *llvm::createBitcodeWriterPass(raw_ostream &Str,
53                                          bool ShouldPreserveUseListOrder,
54                                          bool EmitFunctionSummary) {
55  return new WriteBitcodePass(Str, ShouldPreserveUseListOrder,
56                              EmitFunctionSummary);
57}
58