def METHOD_NAME(self, var):
    """Return if the function corresponding to a var is a recursive
    function.
    Parameters
    ----------
    var : Union[String, tvm.relay.GlobalVar]
    Returns
    -------
    ret : Boolean
        If the function corresponding to var is recurisve.
    """
    var = self._get_global_var(var)
    return _ffi_api.IsRecursive(self, var)