};
//===----------------------------------------------------------------------===//
-/// NamedMDNode - a tuple of MDNodes.
-/// NamedMDNode is always named. All NamedMDNode operand has a type of metadata.
+/// NamedMDNode - a tuple of MDNodes. Despite its name, a NamedMDNode isn't
+/// itself an MDNode. NamedMDNodes belong to modules, have names, and contain
+/// lists of MDNodes.
class NamedMDNode : public ilist_node<NamedMDNode> {
friend class SymbolTableListTraits<NamedMDNode, Module>;
friend struct ilist_traits<NamedMDNode>;