def METHOD_NAME(self, cfg):
    """
    Take care of those loop headers/tails where we manually broke their
    connection to the next BBL
    """
    loop_back_edges = self._cfg.get_loop_back_edges()
    for b1, b2 in loop_back_edges:
        # The edge between b1 and b2 is manually broken
        # The post dominator of b1 should be b2 (or not?)
        successors = list(self._pd_graph_successors(cfg, b1))
        if len(successors) == 0:
            if b2 in self._post_dom:
                self._post_dom.add_edge(b1, b2)
            else:
                _l.debug("%s is not in post dominator dict.", b2)