719     } node[MAX_INSN_SLOTS];  in tsort()  local
730         node[i].n_in_edge = 0;  in tsort()
731         node[i].n_out_edge = 0;  in tsort()
739                 node[i].out_edge[n_out_edge] = j;  in tsort()
740                 ++node[j].n_in_edge;  in tsort()
745         node[i].n_out_edge = n_out_edge;  in tsort()
749         if (!node[i].n_in_edge) {  in tsort()
760         for (j = 0; j < node[i].n_out_edge; ++j) {  in tsort()
762             if (--node[node[i].out_edge[j]].n_in_edge == 0) {  in tsort()
763                 in[n_in] = node[i].out_edge[j];  in tsort()
770             struct tsnode *cnode = node + node_idx;  in tsort()
778                         --node[k].n_in_edge == 0) {  in tsort()