'Returns
qualname, unique_name, modname, doc, args, kws, globals
``unique_name`` must be a unique name.'

@classmethod
def _get_function_info(cls, func_ir):

    func = func_ir.func_id.func
    qualname = func_ir.func_id.func_qualname
    modname = func.__module__
    doc = (func.__doc__ or '')
    args = tuple(func_ir.arg_names)
    kws = ()
    if (modname is None):
        modname = _dynamic_modname
    unique_name = func_ir.func_id.unique_name
    return (qualname, unique_name, modname, doc, args, kws)
