Storage, Context.pImpl->MDLocations);
}
-/// \brief Get the MDString, or nullptr if the string is empty.
-static MDString *getCanonicalMDString(LLVMContext &Context, StringRef S) {
- if (S.empty())
- return nullptr;
- return MDString::get(Context, S);
+static StringRef getString(const MDString *S) {
+ if (S)
+ return S->getString();
+ return StringRef();
}
+#ifndef NDEBUG
+static bool isCanonical(const MDString *S) {
+ return !S || !S->getString().empty();
+}
+#endif
+
GenericDebugNode *GenericDebugNode::getImpl(LLVMContext &Context, unsigned Tag,
- StringRef Header,
+ MDString *Header,
ArrayRef<Metadata *> DwarfOps,
StorageType Storage,
bool ShouldCreate) {
unsigned Hash = 0;
if (Storage == Uniqued) {
- GenericDebugNodeInfo::KeyTy Key(Tag, Header, DwarfOps);
+ GenericDebugNodeInfo::KeyTy Key(Tag, getString(Header), DwarfOps);
if (auto *N = getUniqued(Context.pImpl->GenericDebugNodes, Key))
return N;
if (!ShouldCreate)
}
// Use a nullptr for empty headers.
- Metadata *PreOps[] = {getCanonicalMDString(Context, Header)};
+ assert(isCanonical(Header) && "Expected canonical MDString");
+ Metadata *PreOps[] = {Header};
return storeImpl(new (DwarfOps.size() + 1) GenericDebugNode(
Context, Storage, Hash, Tag, PreOps, DwarfOps),
Storage, Context.pImpl->GenericDebugNodes);