FixupSourceAndSinkEdges(host_fbody->graph);

    std::map<const Node*, Node*> node_map;
    node_map[host_fbody->graph->source_node()] = (*host_graph)->source_node();
    node_map[host_fbody->graph->sink_node()] = (*host_graph)->sink_node();
    Status s;
    ReverseDFS(
        *host_fbody->graph, /*enter=*/nullptr,
        [&](const Node* n) {
          if (!s.ok()) {
            return;
          }

                                 true /* skip test for duplicates */);
        }
        if (placeholder_node->out_edges().empty()) {
          graph_->AddControlEdge(placeholder_node, graph_->sink_node(),
                                 true /* skip test for duplicates */);
        }
        remapped_feeds_[{it.first, index}] = placeholder_node->name();