+
+void dump_callgraph_loop_tree(const char *suffix) {
+ FILE *F;
+ F = vcg_open_name("Callgraph_looptree", suffix);
+ dump_vcg_header(F, "callgraph looptree", "top_to_bottom");
+ dump_loops_standalone(F, irp->outermost_cg_loop);
+ vcg_close(F);
+}
+
+
+/*-----------------------------------------------------------------------------*/
+/* Dumps the firm nodes in the loop tree to a graph along with the loop nodes. */
+/*-----------------------------------------------------------------------------*/
+
+void collect_nodeloop(FILE *F, ir_loop *loop, eset *loopnodes) {
+ int i, son_number = 0, node_number = 0;
+
+ if (dump_loop_information_flag) dump_loop_node(F, loop);
+
+ for (i = 0; i < get_loop_n_elements(loop); i++) {
+ loop_element le = get_loop_element(loop, i);
+ if (*(le.kind) == k_ir_loop) {
+ if (dump_loop_information_flag) dump_loop_son_edge(F, loop, son_number++);
+ /* Recur */
+ collect_nodeloop(F, le.son, loopnodes);
+ } else {
+ if (dump_loop_information_flag) dump_loop_node_edge(F, loop, node_number++);
+ eset_insert(loopnodes, le.node);
+ }
+ }
+}
+
+void collect_nodeloop_external_nodes(ir_loop *loop, eset *loopnodes, eset *extnodes) {
+ int i, j, start;
+
+ for(i = 0; i < get_loop_n_elements(loop); i++) {
+ loop_element le = get_loop_element(loop, i);
+ if (*(le.kind) == k_ir_loop) {
+ /* Recur */
+ collect_nodeloop_external_nodes(le.son, loopnodes, extnodes);
+ } else {
+ if (is_Block(le.node)) start = 0; else start = -1;
+ for (j = start; j < get_irn_arity(le.node); j++) {
+ ir_node *pred = get_irn_n(le.node, j);
+ if (!eset_contains(loopnodes, pred)) {
+ eset_insert(extnodes, pred);
+ if (!is_Block(pred)) {
+ pred = get_nodes_block(pred);
+ if (!eset_contains(loopnodes, pred)) eset_insert(extnodes, pred);
+ }
+ }
+ }
+ }
+ }
+}
+
+void dump_loop(ir_loop *l, const char *suffix) {
+ FILE *F;
+ char name[50];
+ eset *loopnodes = eset_create();
+ eset *extnodes = eset_create();
+ ir_node *n, *b;
+
+ snprintf(name, sizeof(name), "loop_%d", get_loop_loop_nr(l));
+ F = vcg_open_name (name, suffix);
+ dump_vcg_header(F, name, NULL);
+
+ /* collect all nodes to dump */
+ collect_nodeloop(F, l, loopnodes);
+ collect_nodeloop_external_nodes(l, loopnodes, extnodes);
+
+ /* build block lists */
+ for (n = eset_first(loopnodes); n != NULL; n = eset_next(loopnodes))
+ set_irn_link(n, NULL);
+ for (n = eset_first(extnodes); n != NULL; n = eset_next(extnodes))
+ set_irn_link(n, NULL);
+ for (n = eset_first(loopnodes); n != NULL; n = eset_next(loopnodes))
+ if (!is_Block(n)) {
+ b = get_nodes_block(n);
+ set_irn_link(n, get_irn_link(b));
+ set_irn_link(b, n);
+ }
+ for (n = eset_first(extnodes); n != NULL; n = eset_next(extnodes))
+ if (!is_Block(n)) {
+ b = get_nodes_block(n);
+ set_irn_link(n, get_irn_link(b));
+ set_irn_link(b, n);
+ }
+
+ for (b = eset_first(loopnodes); b != NULL; b = eset_next(loopnodes))
+ if (is_Block(b)) {
+ fprintf(F, "graph: { title: \"");
+ PRINT_NODEID(b);
+ fprintf(F, "\" label: \"");
+ dump_node_opcode(F, b);
+ fprintf (F, " %ld", get_irn_node_nr(b));
+ fprintf(F, "\" status:clustered color:yellow\n");
+
+ /* dump the blocks edges */
+ dump_ir_data_edges(F, b);
+
+ /* dump the nodes that go into the block */
+ for (n = get_irn_link(b); n; n = get_irn_link(n)) {
+ if (eset_contains(extnodes, n)) overrule_nodecolor = "lightblue";
+ dump_node(F, n);
+ overrule_nodecolor = NULL;
+ if (!eset_contains(extnodes, n)) dump_ir_data_edges(F, n);
+ }
+
+ /* Close the vcg information for the block */
+ fprintf(F, "}\n");
+ dump_const_node_local(F, b);
+ fprintf(F, "\n");
+ }
+ for (b = eset_first(extnodes); b != NULL; b = eset_next(extnodes))
+ if (is_Block(b)) {
+ fprintf(F, "graph: { title: \"");
+ PRINT_NODEID(b);
+ fprintf(F, "\" label: \"");
+ dump_node_opcode(F, b);
+ fprintf (F, " %ld", get_irn_node_nr(b));
+ fprintf(F, "\" status:clustered color:lightblue\n");
+
+ /* dump the nodes that go into the block */
+ for (n = get_irn_link(b); n; n = get_irn_link(n)) {
+ if (!eset_contains(loopnodes, n)) overrule_nodecolor = "lightblue";
+ dump_node(F, n);
+ overrule_nodecolor = NULL;
+ if (eset_contains(loopnodes, n)) dump_ir_data_edges(F, n);
+ }
+
+ /* Close the vcg information for the block */
+ fprintf(F, "}\n");
+ dump_const_node_local(F, b);
+ fprintf(F, "\n");
+ }
+
+ eset_destroy(loopnodes);
+ eset_destroy(extnodes);
+ vcg_close(F);
+}