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 // RemoveDIs: there's no textual representation of the DPValue debug-info, 35 // convert to dbg.values before writing out. 36 bool ShouldConvert = M.IsNewDbgInfoFormat; 37 if (ShouldConvert) 38 M.convertFromNewDbgValues(); 39 40 if (llvm::isFunctionInPrintList("*")) { 41 if (!Banner.empty()) 42 OS << Banner << "\n"; 43 M.print(OS, nullptr, ShouldPreserveUseListOrder); 44 } else { 45 bool BannerPrinted = false; 46 for (const auto &F : M.functions()) { 47 if (llvm::isFunctionInPrintList(F.getName())) { 48 if (!BannerPrinted && !Banner.empty()) { 49 OS << Banner << "\n"; 50 BannerPrinted = true; 51 } 52 F.print(OS); 53 } 54 } 55 } 56 57 ModuleSummaryIndex *Index = 58 EmitSummaryIndex ? &(AM.getResult<ModuleSummaryIndexAnalysis>(M)) 59 : nullptr; 60 if (Index) { 61 if (Index->modulePaths().empty()) 62 Index->addModule(""); 63 Index->print(OS); 64 } 65 66 if (ShouldConvert) 67 M.convertToNewDbgValues(); 68 69 return PreservedAnalyses::all(); 70 } 71 72 PrintFunctionPass::PrintFunctionPass() : OS(dbgs()) {} 73 PrintFunctionPass::PrintFunctionPass(raw_ostream &OS, const std::string &Banner) 74 : OS(OS), Banner(Banner) {} 75 76 PreservedAnalyses PrintFunctionPass::run(Function &F, 77 FunctionAnalysisManager &) { 78 // RemoveDIs: there's no textual representation of the DPValue debug-info, 79 // convert to dbg.values before writing out. 80 bool ShouldConvert = F.IsNewDbgInfoFormat; 81 if (ShouldConvert) 82 F.convertFromNewDbgValues(); 83 84 if (isFunctionInPrintList(F.getName())) { 85 if (forcePrintModuleIR()) 86 OS << Banner << " (function: " << F.getName() << ")\n" << *F.getParent(); 87 else 88 OS << Banner << '\n' << static_cast<Value &>(F); 89 } 90 91 if (ShouldConvert) 92 F.convertToNewDbgValues(); 93 94 return PreservedAnalyses::all(); 95 } 96