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94512f24de
Eliminate DITypeIdentifierMap and make DITypeRef a thin wrapper around DIType*. It is no longer legal to refer to a DICompositeType by its 'identifier:', and DIBuilder no longer retains all types with an 'identifier:' automatically. Aside from the bitcode upgrade, this is mainly removing logic to resolve an MDString-based reference to an actualy DIType. The commits leading up to this have made the implicit type map in DICompileUnit's 'retainedTypes:' field superfluous. This does not remove DITypeRef, DIScopeRef, DINodeRef, and DITypeRefArray, or stop using them in DI-related metadata. Although as of this commit they aren't serving a useful purpose, there are patchces under review to reuse them for CodeView support. The tests in LLVM were updated with deref-typerefs.sh, which is attached to the thread "[RFC] Lazy-loading of debug info metadata": http://lists.llvm.org/pipermail/llvm-dev/2016-April/098318.html llvm-svn: 267296
73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
//===- BreakpointPrinter.cpp - Breakpoint location printer ----------------===//
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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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/// \file
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/// \brief Breakpoint location printer.
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///
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//===----------------------------------------------------------------------===//
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#include "BreakpointPrinter.h"
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#include "llvm/ADT/StringSet.h"
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#include "llvm/IR/DebugInfo.h"
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#include "llvm/IR/Module.h"
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#include "llvm/Pass.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace llvm;
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namespace {
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struct BreakpointPrinter : public ModulePass {
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raw_ostream &Out;
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static char ID;
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BreakpointPrinter(raw_ostream &out) : ModulePass(ID), Out(out) {}
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void getContextName(const DIScope *Context, std::string &N) {
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if (auto *NS = dyn_cast<DINamespace>(Context)) {
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if (!NS->getName().empty()) {
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getContextName(NS->getScope(), N);
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N = N + NS->getName().str() + "::";
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}
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} else if (auto *TY = dyn_cast<DIType>(Context)) {
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if (!TY->getName().empty()) {
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getContextName(TY->getScope().resolve(), N);
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N = N + TY->getName().str() + "::";
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}
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}
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}
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bool runOnModule(Module &M) override {
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StringSet<> Processed;
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if (NamedMDNode *NMD = M.getNamedMetadata("llvm.dbg.sp"))
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for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) {
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std::string Name;
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auto *SP = cast_or_null<DISubprogram>(NMD->getOperand(i));
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if (!SP)
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continue;
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getContextName(SP->getScope().resolve(), Name);
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Name = Name + SP->getDisplayName().str();
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if (!Name.empty() && Processed.insert(Name).second) {
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Out << Name << "\n";
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}
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}
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return false;
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}
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void getAnalysisUsage(AnalysisUsage &AU) const override {
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AU.setPreservesAll();
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}
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};
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char BreakpointPrinter::ID = 0;
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}
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ModulePass *llvm::createBreakpointPrinter(raw_ostream &out) {
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return new BreakpointPrinter(out);
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}
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