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" 19 using namespace llvm; 20 21 PreservedAnalyses BitcodeWriterPass::run(Module &M) { 22 WriteBitcodeToFile(&M, OS, ShouldPreserveUseListOrder); 23 return PreservedAnalyses::all(); 24 } 25 26 namespace { 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 46 char WriteBitcodePass::ID = 0; 47 48 ModulePass *llvm::createBitcodeWriterPass(raw_ostream &Str, 49 bool ShouldPreserveUseListOrder) { 50 return new WriteBitcodePass(Str, ShouldPreserveUseListOrder); 51 } 52