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
23using namespace llvm;
24
25extern cl::opt<bool> WriteNewDbgInfoFormat;
26
27PrintModulePass::PrintModulePass() : OS(dbgs()) {}
28PrintModulePass::PrintModulePass(raw_ostream &OS, const std::string &Banner,
29 bool ShouldPreserveUseListOrder,
30 bool EmitSummaryIndex)
31 : OS(OS), Banner(Banner),
32 ShouldPreserveUseListOrder(ShouldPreserveUseListOrder),
33 EmitSummaryIndex(EmitSummaryIndex) {}
34
35PreservedAnalyses PrintModulePass::run(Module &M, ModuleAnalysisManager &AM) {
36 // RemoveDIs: Regardless of the format we've processed this module in, use
37 // `WriteNewDbgInfoFormat` to determine which format we use to write it.
38 ScopedDbgInfoFormatSetter FormatSetter(M, WriteNewDbgInfoFormat);
39 // Remove intrinsic declarations when printing in the new format.
40 // TODO: Move this into Module::setIsNewDbgInfoFormat when we're ready to
41 // update test output.
42 if (WriteNewDbgInfoFormat)
43 M.removeDebugIntrinsicDeclarations();
44
45 if (llvm::isFunctionInPrintList(FunctionName: "*")) {
46 if (!Banner.empty())
47 OS << Banner << "\n";
48 M.print(OS, AAW: nullptr, ShouldPreserveUseListOrder);
49 } else {
50 bool BannerPrinted = false;
51 for (const auto &F : M.functions()) {
52 if (llvm::isFunctionInPrintList(FunctionName: F.getName())) {
53 if (!BannerPrinted && !Banner.empty()) {
54 OS << Banner << "\n";
55 BannerPrinted = true;
56 }
57 F.print(OS);
58 }
59 }
60 }
61
62 ModuleSummaryIndex *Index =
63 EmitSummaryIndex ? &(AM.getResult<ModuleSummaryIndexAnalysis>(IR&: M))
64 : nullptr;
65 if (Index) {
66 if (Index->modulePaths().empty())
67 Index->addModule(ModPath: "");
68 Index->print(OS);
69 }
70
71 return PreservedAnalyses::all();
72}
73
74PrintFunctionPass::PrintFunctionPass() : OS(dbgs()) {}
75PrintFunctionPass::PrintFunctionPass(raw_ostream &OS, const std::string &Banner)
76 : OS(OS), Banner(Banner) {}
77
78PreservedAnalyses PrintFunctionPass::run(Function &F,
79 FunctionAnalysisManager &) {
80 // RemoveDIs: Regardless of the format we've processed this function in, use
81 // `WriteNewDbgInfoFormat` to determine which format we use to write it.
82 ScopedDbgInfoFormatSetter FormatSetter(F, WriteNewDbgInfoFormat);
83
84 if (isFunctionInPrintList(FunctionName: 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 return PreservedAnalyses::all();
92}
93

source code of llvm/lib/IRPrinter/IRPrintingPasses.cpp