xref: /freebsd-src/contrib/llvm-project/llvm/lib/IRPrinter/IRPrintingPasses.cpp (revision bdd1243df58e60e85101c09001d9812a789b6bc4)
1*bdd1243dSDimitry Andric //===--- IRPrintingPasses.cpp - Module and Function printing passes -------===//
2*bdd1243dSDimitry Andric //
3*bdd1243dSDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*bdd1243dSDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
5*bdd1243dSDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*bdd1243dSDimitry Andric //
7*bdd1243dSDimitry Andric //===----------------------------------------------------------------------===//
8*bdd1243dSDimitry Andric //
9*bdd1243dSDimitry Andric // PrintModulePass and PrintFunctionPass implementations.
10*bdd1243dSDimitry Andric //
11*bdd1243dSDimitry Andric //===----------------------------------------------------------------------===//
12*bdd1243dSDimitry Andric 
13*bdd1243dSDimitry Andric #include "llvm/IRPrinter/IRPrintingPasses.h"
14*bdd1243dSDimitry Andric #include "llvm/ADT/StringRef.h"
15*bdd1243dSDimitry Andric #include "llvm/Analysis/ModuleSummaryAnalysis.h"
16*bdd1243dSDimitry Andric #include "llvm/IR/Function.h"
17*bdd1243dSDimitry Andric #include "llvm/IR/Module.h"
18*bdd1243dSDimitry Andric #include "llvm/IR/PrintPasses.h"
19*bdd1243dSDimitry Andric #include "llvm/Pass.h"
20*bdd1243dSDimitry Andric #include "llvm/Support/Debug.h"
21*bdd1243dSDimitry Andric #include "llvm/Support/raw_ostream.h"
22*bdd1243dSDimitry Andric 
23*bdd1243dSDimitry Andric using namespace llvm;
24*bdd1243dSDimitry Andric 
25*bdd1243dSDimitry Andric PrintModulePass::PrintModulePass() : OS(dbgs()) {}
26*bdd1243dSDimitry Andric PrintModulePass::PrintModulePass(raw_ostream &OS, const std::string &Banner,
27*bdd1243dSDimitry Andric                                  bool ShouldPreserveUseListOrder,
28*bdd1243dSDimitry Andric                                  bool EmitSummaryIndex)
29*bdd1243dSDimitry Andric     : OS(OS), Banner(Banner),
30*bdd1243dSDimitry Andric       ShouldPreserveUseListOrder(ShouldPreserveUseListOrder),
31*bdd1243dSDimitry Andric       EmitSummaryIndex(EmitSummaryIndex) {}
32*bdd1243dSDimitry Andric 
33*bdd1243dSDimitry Andric PreservedAnalyses PrintModulePass::run(Module &M, ModuleAnalysisManager &AM) {
34*bdd1243dSDimitry Andric   if (llvm::isFunctionInPrintList("*")) {
35*bdd1243dSDimitry Andric     if (!Banner.empty())
36*bdd1243dSDimitry Andric       OS << Banner << "\n";
37*bdd1243dSDimitry Andric     M.print(OS, nullptr, ShouldPreserveUseListOrder);
38*bdd1243dSDimitry Andric   } else {
39*bdd1243dSDimitry Andric     bool BannerPrinted = false;
40*bdd1243dSDimitry Andric     for (const auto &F : M.functions()) {
41*bdd1243dSDimitry Andric       if (llvm::isFunctionInPrintList(F.getName())) {
42*bdd1243dSDimitry Andric         if (!BannerPrinted && !Banner.empty()) {
43*bdd1243dSDimitry Andric           OS << Banner << "\n";
44*bdd1243dSDimitry Andric           BannerPrinted = true;
45*bdd1243dSDimitry Andric         }
46*bdd1243dSDimitry Andric         F.print(OS);
47*bdd1243dSDimitry Andric       }
48*bdd1243dSDimitry Andric     }
49*bdd1243dSDimitry Andric   }
50*bdd1243dSDimitry Andric 
51*bdd1243dSDimitry Andric   ModuleSummaryIndex *Index =
52*bdd1243dSDimitry Andric       EmitSummaryIndex ? &(AM.getResult<ModuleSummaryIndexAnalysis>(M))
53*bdd1243dSDimitry Andric                        : nullptr;
54*bdd1243dSDimitry Andric   if (Index) {
55*bdd1243dSDimitry Andric     if (Index->modulePaths().empty())
56*bdd1243dSDimitry Andric       Index->addModule("", 0);
57*bdd1243dSDimitry Andric     Index->print(OS);
58*bdd1243dSDimitry Andric   }
59*bdd1243dSDimitry Andric 
60*bdd1243dSDimitry Andric   return PreservedAnalyses::all();
61*bdd1243dSDimitry Andric }
62*bdd1243dSDimitry Andric 
63*bdd1243dSDimitry Andric PrintFunctionPass::PrintFunctionPass() : OS(dbgs()) {}
64*bdd1243dSDimitry Andric PrintFunctionPass::PrintFunctionPass(raw_ostream &OS, const std::string &Banner)
65*bdd1243dSDimitry Andric     : OS(OS), Banner(Banner) {}
66*bdd1243dSDimitry Andric 
67*bdd1243dSDimitry Andric PreservedAnalyses PrintFunctionPass::run(Function &F,
68*bdd1243dSDimitry Andric                                          FunctionAnalysisManager &) {
69*bdd1243dSDimitry Andric   if (isFunctionInPrintList(F.getName())) {
70*bdd1243dSDimitry Andric     if (forcePrintModuleIR())
71*bdd1243dSDimitry Andric       OS << Banner << " (function: " << F.getName() << ")\n" << *F.getParent();
72*bdd1243dSDimitry Andric     else
73*bdd1243dSDimitry Andric       OS << Banner << '\n' << static_cast<Value &>(F);
74*bdd1243dSDimitry Andric   }
75*bdd1243dSDimitry Andric   return PreservedAnalyses::all();
76*bdd1243dSDimitry Andric }
77