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Cleanup: Let CGDebugInfo::ModuleRefCache use a TrackingMDNode (NFC). 

llvm-svn: 247368
This commit is contained in:
Adrian Prantl 2015-09-11 01:03:19 +00:00
parent e03226b1d9
commit d0929a1c87
2 changed files with 7 additions and 7 deletions
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12
clang/lib/CodeGen/CGDebugInfo.cpp
View File

@ -1638,9 +1638,9 @@ llvm::DIType *CGDebugInfo::CreateType(const ObjCInterfaceType *Ty,
llvm::DIModule *
CGDebugInfo::getOrCreateModuleRef(ExternalASTSource::ASTSourceDescriptor Mod) {
auto it = ModuleRefCache.find(Mod.Signature);
if (it != ModuleRefCache.end())
return it->second;
auto &ModRef = ModuleRefCache[Mod.Signature];
if (ModRef)
return cast<llvm::DIModule>(ModRef);
// Macro definitions that were defined with "-D" on the command line.
SmallString<128> ConfigMacros;
@ -1669,12 +1669,12 @@ CGDebugInfo::getOrCreateModuleRef(ExternalASTSource::ASTSourceDescriptor Mod) {
TheCU->getSourceLanguage(), internString(Mod.ModuleName),
internString(Mod.Path), TheCU->getProducer(), true, StringRef(), 0,
internString(Mod.ASTFile), llvm::DIBuilder::FullDebug, Mod.Signature);
llvm::DIModule *ModuleRef =
llvm::DIModule *M =
DIB.createModule(CU, Mod.ModuleName, ConfigMacros, internString(Mod.Path),
internString(CGM.getHeaderSearchOpts().Sysroot));
DIB.finalize();
ModuleRefCache.insert(std::make_pair(Mod.Signature, ModuleRef));
return ModuleRef;
ModRef.reset(M);
return M;
}
llvm::DIType *CGDebugInfo::CreateTypeDefinition(const ObjCInterfaceType *Ty,

2
clang/lib/CodeGen/CGDebugInfo.h
View File

@ -84,7 +84,7 @@ class CGDebugInfo {
llvm::SmallVector<ObjCInterfaceCacheEntry, 32> ObjCInterfaceCache;
/// Cache of references to AST files such as PCHs or modules.
llvm::DenseMap<uint64_t, llvm::DIModule *> ModuleRefCache;
llvm::DenseMap<uint64_t, llvm::TrackingMDRef> ModuleRefCache;
/// List of interfaces we want to keep even if orphaned.
std::vector<void *> RetainedTypes;