1//===- BitcodeWriterPass.cpp - Bitcode writing pass -----------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// BitcodeWriterPass implementation.
10//
11//===----------------------------------------------------------------------===//
12
13#include "llvm/Bitcode/BitcodeWriterPass.h"
14#include "llvm/Analysis/ModuleSummaryAnalysis.h"
15#include "llvm/Bitcode/BitcodeWriter.h"
16#include "llvm/IR/PassManager.h"
17#include "llvm/InitializePasses.h"
18#include "llvm/Pass.h"
19using namespace llvm;
20
21PreservedAnalyses BitcodeWriterPass::run(Module &M, ModuleAnalysisManager &AM) {
22 M.removeDebugIntrinsicDeclarations();
23
24 const ModuleSummaryIndex *Index =
25 EmitSummaryIndex ? &(AM.getResult<ModuleSummaryIndexAnalysis>(IR&: M))
26 : nullptr;
27 WriteBitcodeToFile(M, Out&: OS, ShouldPreserveUseListOrder, Index, GenerateHash: EmitModuleHash);
28
29 return PreservedAnalyses::all();
30}
31
32namespace {
33 class WriteBitcodePass : public ModulePass {
34 raw_ostream &OS; // raw_ostream to print on
35 bool ShouldPreserveUseListOrder;
36
37 public:
38 static char ID; // Pass identification, replacement for typeid
39 WriteBitcodePass() : ModulePass(ID), OS(dbgs()) {
40 initializeWriteBitcodePassPass(*PassRegistry::getPassRegistry());
41 }
42
43 explicit WriteBitcodePass(raw_ostream &o, bool ShouldPreserveUseListOrder)
44 : ModulePass(ID), OS(o),
45 ShouldPreserveUseListOrder(ShouldPreserveUseListOrder) {
46 initializeWriteBitcodePassPass(*PassRegistry::getPassRegistry());
47 }
48
49 StringRef getPassName() const override { return "Bitcode Writer"; }
50
51 bool runOnModule(Module &M) override {
52 M.removeDebugIntrinsicDeclarations();
53
54 WriteBitcodeToFile(M, Out&: OS, ShouldPreserveUseListOrder, /*Index=*/nullptr,
55 /*EmitModuleHash=*/GenerateHash: false);
56
57 return false;
58 }
59 void getAnalysisUsage(AnalysisUsage &AU) const override {
60 AU.setPreservesAll();
61 }
62 };
63}
64
65char WriteBitcodePass::ID = 0;
66INITIALIZE_PASS_BEGIN(WriteBitcodePass, "write-bitcode", "Write Bitcode", false,
67 true)
68INITIALIZE_PASS_DEPENDENCY(ModuleSummaryIndexWrapperPass)
69INITIALIZE_PASS_END(WriteBitcodePass, "write-bitcode", "Write Bitcode", false,
70 true)
71
72ModulePass *llvm::createBitcodeWriterPass(raw_ostream &Str,
73 bool ShouldPreserveUseListOrder) {
74 return new WriteBitcodePass(Str, ShouldPreserveUseListOrder);
75}
76
77bool llvm::isBitcodeWriterPass(Pass *P) {
78 return P->getPassID() == (llvm::AnalysisID)&WriteBitcodePass::ID;
79}
80