1 //===--- IRPrintingPasses.cpp - Module and Function printing passes -------===// 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 // PrintModulePass and PrintFunctionPass implementations. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #include "llvm/IRPrinter/IRPrintingPasses.h" 14 #include "llvm/ADT/StringRef.h" 15 #include "llvm/Analysis/ModuleSummaryAnalysis.h" 16 #include "llvm/IR/Function.h" 17 #include "llvm/IR/Module.h" 18 #include "llvm/IR/PrintPasses.h" 19 #include "llvm/Pass.h" 20 #include "llvm/Support/Debug.h" 21 #include "llvm/Support/raw_ostream.h" 22 23 using namespace llvm; 24 25 PrintModulePass::PrintModulePass() : OS(dbgs()) {} 26 PrintModulePass::PrintModulePass(raw_ostream &OS, const std::string &Banner, 27 bool ShouldPreserveUseListOrder, 28 bool EmitSummaryIndex) 29 : OS(OS), Banner(Banner), 30 ShouldPreserveUseListOrder(ShouldPreserveUseListOrder), 31 EmitSummaryIndex(EmitSummaryIndex) {} 32 33 PreservedAnalyses PrintModulePass::run(Module &M, ModuleAnalysisManager &AM) { 34 if (llvm::isFunctionInPrintList("*")) { 35 if (!Banner.empty()) 36 OS << Banner << "\n"; 37 M.print(OS, nullptr, ShouldPreserveUseListOrder); 38 } else { 39 bool BannerPrinted = false; 40 for (const auto &F : M.functions()) { 41 if (llvm::isFunctionInPrintList(F.getName())) { 42 if (!BannerPrinted && !Banner.empty()) { 43 OS << Banner << "\n"; 44 BannerPrinted = true; 45 } 46 F.print(OS); 47 } 48 } 49 } 50 51 ModuleSummaryIndex *Index = 52 EmitSummaryIndex ? &(AM.getResult<ModuleSummaryIndexAnalysis>(M)) 53 : nullptr; 54 if (Index) { 55 if (Index->modulePaths().empty()) 56 Index->addModule("", 0); 57 Index->print(OS); 58 } 59 60 return PreservedAnalyses::all(); 61 } 62 63 PrintFunctionPass::PrintFunctionPass() : OS(dbgs()) {} 64 PrintFunctionPass::PrintFunctionPass(raw_ostream &OS, const std::string &Banner) 65 : OS(OS), Banner(Banner) {} 66 67 PreservedAnalyses PrintFunctionPass::run(Function &F, 68 FunctionAnalysisManager &) { 69 if (isFunctionInPrintList(F.getName())) { 70 if (forcePrintModuleIR()) 71 OS << Banner << " (function: " << F.getName() << ")\n" << *F.getParent(); 72 else 73 OS << Banner << '\n' << static_cast<Value &>(F); 74 } 75 return PreservedAnalyses::all(); 76 } 77