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must be called in the pass's constructor. This function uses static dependency declarations to recursively initialize the pass's dependencies. Clients that only create passes through the createFooPass() APIs will require no changes. Clients that want to use the CommandLine options for passes will need to manually call the appropriate initialization functions in PassInitialization.h before parsing commandline arguments. I have tested this with all standard configurations of clang and llvm-gcc on Darwin. It is possible that there are problems with the static dependencies that will only be visible with non-standard options. If you encounter any crash in pass registration/creation, please send the testcase to me directly. llvm-svn: 116820
88 lines
2.6 KiB
C++
88 lines
2.6 KiB
C++
//===-- ModuleDebugInfoPrinter.cpp - Prints module debug info metadata ----===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This pass decodes the debug info metadata in a module and prints in a
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// (sufficiently-prepared-) human-readable form.
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//
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// For example, run this pass from opt along with the -analyze option, and
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// it'll print to standard output.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Analysis/Passes.h"
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#include "llvm/Analysis/DebugInfo.h"
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#include "llvm/Assembly/Writer.h"
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#include "llvm/Pass.h"
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#include "llvm/Function.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/raw_ostream.h"
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#include "llvm/ADT/Statistic.h"
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using namespace llvm;
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namespace {
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class ModuleDebugInfoPrinter : public ModulePass {
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DebugInfoFinder Finder;
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public:
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static char ID; // Pass identification, replacement for typeid
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ModuleDebugInfoPrinter() : ModulePass(ID) {
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initializeModuleDebugInfoPrinterPass(*PassRegistry::getPassRegistry());
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}
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virtual bool runOnModule(Module &M);
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virtual void getAnalysisUsage(AnalysisUsage &AU) const {
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AU.setPreservesAll();
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}
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virtual void print(raw_ostream &O, const Module *M) const;
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};
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}
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char ModuleDebugInfoPrinter::ID = 0;
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INITIALIZE_PASS(ModuleDebugInfoPrinter, "module-debuginfo",
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"Decodes module-level debug info", false, true)
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ModulePass *llvm::createModuleDebugInfoPrinterPass() {
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return new ModuleDebugInfoPrinter();
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}
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bool ModuleDebugInfoPrinter::runOnModule(Module &M) {
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Finder.processModule(M);
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return false;
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}
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void ModuleDebugInfoPrinter::print(raw_ostream &O, const Module *M) const {
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for (DebugInfoFinder::iterator I = Finder.compile_unit_begin(),
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E = Finder.compile_unit_end(); I != E; ++I) {
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O << "Compile Unit: ";
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DICompileUnit(*I).print(O);
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O << '\n';
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}
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for (DebugInfoFinder::iterator I = Finder.subprogram_begin(),
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E = Finder.subprogram_end(); I != E; ++I) {
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O << "Subprogram: ";
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DISubprogram(*I).print(O);
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O << '\n';
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}
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for (DebugInfoFinder::iterator I = Finder.global_variable_begin(),
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E = Finder.global_variable_end(); I != E; ++I) {
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O << "GlobalVariable: ";
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DIGlobalVariable(*I).print(O);
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O << '\n';
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}
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for (DebugInfoFinder::iterator I = Finder.type_begin(),
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E = Finder.type_end(); I != E; ++I) {
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O << "Type: ";
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DIType(*I).print(O);
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O << '\n';
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}
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}
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