pub fn add_metadata_node(
ctx: &Context,
op: Ptr<Operation>,
node: MdNodeAttr,
) -> Result<MdNodeId>Expand description
Add node to the metadata table of the module enclosing op, creating the table
if the module doesn’t have one yet, and get the MdNodeId to refer to it by.
A non-distinct node already in the table isn’t added again.