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, EmitFunctionSummary); 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 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 50 char WriteBitcodePass::ID = 0; 51 52 ModulePass *llvm::createBitcodeWriterPass(raw_ostream &Str, 53 bool ShouldPreserveUseListOrder, 54 bool EmitFunctionSummary) { 55 return new WriteBitcodePass(Str, ShouldPreserveUseListOrder, 56 EmitFunctionSummary); 57 } 58