SmallVector<MDNode*, 8> MDNodes;
MDNodes.reserve(MDNodeSet.size() + NonUniquedMDNodes.size());
for (FoldingSetIterator<MDNode> I = MDNodeSet.begin(), E = MDNodeSet.end();
- I != E; ++I) {
+ I != E; ++I)
MDNodes.push_back(&*I);
- }
MDNodes.append(NonUniquedMDNodes.begin(), NonUniquedMDNodes.end());
for (SmallVectorImpl<MDNode *>::iterator I = MDNodes.begin(),
- E = MDNodes.end(); I != E; ++I) {
+ E = MDNodes.end(); I != E; ++I)
(*I)->destroy();
- }
assert(MDNodeSet.empty() && NonUniquedMDNodes.empty() &&
"Destroying all MDNodes didn't empty the Context's sets.");
// Destroy MDStrings.
DeleteContainerSeconds(PointerTypes);
DeleteContainerSeconds(ASPointerTypes);
- for (StringMap<StructType *>::iterator I = NamedStructTypes.begin(), E = NamedStructTypes.end(); I != E; ++I) {
+ for (StringMap<StructType *>::iterator I = NamedStructTypes.begin(),
+ E = NamedStructTypes.end(); I != E; ++I)
delete I->getValue();
- }
+ for (SmallPtrSet<StructType*, 16>::iterator I = EmptyNamedStructTypes.begin(),
+ E = EmptyNamedStructTypes.end(); I != E; ++I)
+ delete *I;
}
std::map<std::vector<Type*>, FunctionType*> FunctionTypes;
std::map<std::vector<Type*>, StructType*> AnonStructTypes;
StringMap<StructType*> NamedStructTypes;
+ SmallPtrSet<StructType*, 16> EmptyNamedStructTypes;
unsigned NamedStructTypesUniqueID;
DenseMap<std::pair<Type *, uint64_t>, ArrayType*> ArrayTypes;
StructType *StructType::createNamed(LLVMContext &Context, StringRef Name) {
StructType *ST = new StructType(Context);
- ST->setName(Name);
+ if (!Name.empty())
+ ST->setName(Name);
+ else
+ Context.pImpl->EmptyNamedStructTypes.insert(ST);
return ST;
}
if (SymbolTableEntry) {
getContext().pImpl->NamedStructTypes.erase(getName());
SymbolTableEntry = 0;
+ } else {
+ getContext().pImpl->EmptyNamedStructTypes.erase(this);
}
// If this is just removing the name, we're done.
- if (Name.empty())
+ if (Name.empty()) {
+ // Keep track of types with no names so we can free them.
+ getContext().pImpl->EmptyNamedStructTypes.insert(this);
return;
+ }
// Look up the entry for the name.
StringMapEntry<StructType*> *Entry =