annotate lib/Analysis/ModuleDebugInfoPrinter.cpp @ 0:95c75e76d11b LLVM3.4

LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
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children 54457678186b
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1 //===-- ModuleDebugInfoPrinter.cpp - Prints module debug info metadata ----===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9 //
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10 // This pass decodes the debug info metadata in a module and prints in a
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11 // (sufficiently-prepared-) human-readable form.
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12 //
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13 // For example, run this pass from opt along with the -analyze option, and
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14 // it'll print to standard output.
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15 //
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16 //===----------------------------------------------------------------------===//
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17
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18 #include "llvm/Analysis/Passes.h"
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19 #include "llvm/ADT/Statistic.h"
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20 #include "llvm/Assembly/Writer.h"
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21 #include "llvm/DebugInfo.h"
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22 #include "llvm/IR/Function.h"
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23 #include "llvm/Pass.h"
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24 #include "llvm/Support/ErrorHandling.h"
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25 #include "llvm/Support/raw_ostream.h"
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26 using namespace llvm;
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27
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28 namespace {
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29 class ModuleDebugInfoPrinter : public ModulePass {
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30 DebugInfoFinder Finder;
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31 public:
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32 static char ID; // Pass identification, replacement for typeid
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33 ModuleDebugInfoPrinter() : ModulePass(ID) {
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34 initializeModuleDebugInfoPrinterPass(*PassRegistry::getPassRegistry());
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35 }
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36
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37 virtual bool runOnModule(Module &M);
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38
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39 virtual void getAnalysisUsage(AnalysisUsage &AU) const {
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40 AU.setPreservesAll();
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41 }
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42 virtual void print(raw_ostream &O, const Module *M) const;
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43 };
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44 }
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45
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46 char ModuleDebugInfoPrinter::ID = 0;
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47 INITIALIZE_PASS(ModuleDebugInfoPrinter, "module-debuginfo",
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48 "Decodes module-level debug info", false, true)
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49
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50 ModulePass *llvm::createModuleDebugInfoPrinterPass() {
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51 return new ModuleDebugInfoPrinter();
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52 }
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53
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54 bool ModuleDebugInfoPrinter::runOnModule(Module &M) {
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55 Finder.processModule(M);
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56 return false;
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57 }
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58
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59 void ModuleDebugInfoPrinter::print(raw_ostream &O, const Module *M) const {
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60 for (DebugInfoFinder::iterator I = Finder.compile_unit_begin(),
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61 E = Finder.compile_unit_end(); I != E; ++I) {
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62 O << "Compile Unit: ";
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63 DICompileUnit(*I).print(O);
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64 O << '\n';
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65 }
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66
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67 for (DebugInfoFinder::iterator I = Finder.subprogram_begin(),
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68 E = Finder.subprogram_end(); I != E; ++I) {
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69 O << "Subprogram: ";
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70 DISubprogram(*I).print(O);
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71 O << '\n';
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72 }
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73
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74 for (DebugInfoFinder::iterator I = Finder.global_variable_begin(),
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75 E = Finder.global_variable_end(); I != E; ++I) {
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76 O << "GlobalVariable: ";
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77 DIGlobalVariable(*I).print(O);
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78 O << '\n';
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79 }
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80
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81 for (DebugInfoFinder::iterator I = Finder.type_begin(),
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82 E = Finder.type_end(); I != E; ++I) {
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83 O << "Type: ";
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84 DIType(*I).print(O);
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85 O << '\n';
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86 }
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87 }