llvm/IR/Metadata.h

603 /// MDString is always unnamed.
604 class MDString : public Metadata {
605   friend class StringMapEntryStorage<MDString>;
607   StringMapEntry<MDString> *Entry = nullptr;
609   MDString() : Metadata(MDStringKind, Uniqued) {}
612   MDString(const MDString &) = delete;
613   MDString &operator=(MDString &&) = delete;
614   MDString &operator=(const MDString &) = delete;
616   static MDString *get(LLVMContext &Context, StringRef Str);
617   static MDString *get(LLVMContext &Context, const char *Str) {