#include <alloca.h>
#endif
+#include "bitset.h"
+
#include "irnode_t.h"
#include "irprintf.h"
+#include "irtools.h"
#include "beifg_t.h"
size_t (be_ifg_nodes_iter_size)(const void *self)
return ifg->impl->neighbours_iter_size;
}
+size_t (be_ifg_cliques_iter_size)(const void *self)
+{
+ const be_ifg_t *ifg = self;
+ return ifg->impl->cliques_iter_size;
+}
+
void (be_ifg_free)(void *self)
{
be_ifg_t *ifg = self;
ifg->impl->nodes_break(self, iter);
}
+int (be_ifg_cliques_begin)(const void *self, void *iter, ir_node **buf)
+{
+ const be_ifg_t *ifg = self;
+ return ifg->impl->cliques_begin(self, iter, buf);
+}
+
+int (be_ifg_cliques_next)(const void *self, void *iter)
+{
+ const be_ifg_t *ifg = self;
+ return ifg->impl->cliques_next(self, iter);
+}
+
+void (be_ifg_cliques_break)(const void *self, void *iter)
+{
+ const be_ifg_t *ifg = self;
+ ifg->impl->cliques_break(self, iter);
+}
+
int (be_ifg_degree)(const void *self, const ir_node *irn)
{
const be_ifg_t *ifg = self;
int degree = be_ifg_degree(ifg, irn);
void *iter = be_ifg_neighbours_iter_alloca(ifg);
- ir_node **neighbours = malloc(degree * sizeof(neighbours[0]));
+ ir_node **neighbours = xmalloc(degree * sizeof(neighbours[0]));
ir_node *curr;
int i, j;
+ i = 0;
be_ifg_foreach_neighbour(ifg, iter, irn, curr)
neighbours[i++] = curr;
void be_ifg_check(const be_ifg_t *ifg)
{
- void *iter1 = be_ifg_neighbours_iter_alloca(ifg);
+ void *iter1 = be_ifg_nodes_iter_alloca(ifg);
void *iter2 = be_ifg_neighbours_iter_alloca(ifg);
ir_node *n, *m;
+ int node_count = 0;
+ int neighbours_count = 0;
+ int degree = 0;
+
+ /* count all nodes */
+ ir_printf("\n\nFound the following nodes in the graph %+F:\n\n", current_ir_graph);
+ be_ifg_foreach_node(ifg,iter1,n)
+ {
+ node_count++;
+ degree = be_ifg_degree(ifg, n);
+ ir_printf("%d. %+F with degree: %d\n", node_count, n, degree);
+ }
+
+ ir_printf("\n\nNumber of nodes: %d\n\n", node_count);
/* Check, if all neighbours are indeed connected to the node. */
- be_ifg_foreach_node(ifg, iter1, n) {
+ be_ifg_foreach_node(ifg, iter1, n)
+ {
+ ir_printf("\n%+F; ", n);
be_ifg_foreach_neighbour(ifg, iter2, n, m)
+ {
+ ir_printf("%+F; ", m);
+ neighbours_count++;
if(!be_ifg_connected(ifg, n, m))
ir_fprintf(stderr, "%+F is a neighbour of %+F but they are not connected!\n", n, m);
+ }
+ }
+ ir_printf("\n\nFound %d nodes in the 'check neighbour section'\n", neighbours_count);
+}
+
+int be_ifg_check_get_node_count(const be_ifg_t *ifg)
+{
+ void *iter = be_ifg_nodes_iter_alloca(ifg);
+ int node_count = 0;
+ ir_node *n;
+
+ be_ifg_foreach_node(ifg, iter, n)
+ {
+ node_count++;
+ }
+
+ return node_count;
+}
+
+static int be_ifg_check_cmp_nodes(const void *a, const void *b)
+{
+ const ir_node *node_a = *(ir_node **)a;
+ const ir_node *node_b = *(ir_node **)b;
+
+ int nr_a = node_a->node_nr;
+ int nr_b = node_b->node_nr;
+
+ return QSORT_CMP(nr_a, nr_b);
+}
+
+void be_ifg_check_sorted(const be_ifg_t *ifg, FILE *f)
+{
+ void *iter1 = be_ifg_nodes_iter_alloca(ifg);
+ void *iter2 = be_ifg_neighbours_iter_alloca(ifg);
+
+ ir_node *n, *m;
+ const int node_count = be_ifg_check_get_node_count(ifg);
+ int neighbours_count = 0;
+ int i = 0;
+
+ ir_node **all_nodes = xmalloc(node_count * sizeof(all_nodes[0]));
+
+ be_ifg_foreach_node(ifg, iter1, n)
+ {
+ all_nodes[i] = n;
+ i++;
+ }
+
+ qsort(all_nodes, node_count, sizeof(all_nodes[0]), be_ifg_check_cmp_nodes);
+
+ for (i = 0; i < node_count; i++)
+ {
+ ir_node **neighbours = xmalloc(node_count * sizeof(neighbours[0]));
+ int j = 0;
+ int k = 0;
+ int degree = 0;
+
+ degree = be_ifg_degree(ifg, all_nodes[i]);
+
+ be_ifg_foreach_neighbour(ifg, iter2, all_nodes[i], m)
+ {
+ neighbours[j] = m;
+ j++;
+ }
+
+ qsort(neighbours, j, sizeof(neighbours[0]), be_ifg_check_cmp_nodes);
+
+ ir_fprintf(f, "%d. %+F's neighbours(%d): ", i+1, all_nodes[i], degree);
+
+ for(k = 0; k < j; k++)
+ {
+ ir_fprintf(f, "%+F, ", neighbours[k]);
+ }
+
+ ir_fprintf(f, "\n");
+
+ free(neighbours);
+ }
+
+ free(all_nodes);
+
+}
+
+void be_ifg_dump_dot(be_ifg_t *ifg, ir_graph *irg, FILE *file, const be_ifg_dump_dot_cb_t *cb, void *self)
+{
+ void *nodes_it = be_ifg_nodes_iter_alloca(ifg);
+ void *neigh_it = be_ifg_neighbours_iter_alloca(ifg);
+ bitset_t *nodes = bitset_malloc(get_irg_last_idx(irg));
+
+ ir_node *n, *m;
+
+ fprintf(file, "graph G {\n\tgraph [");
+ if(cb->graph_attr)
+ cb->graph_attr(file, self);
+ fprintf(file, "];\n");
+
+ if(cb->at_begin)
+ cb->at_begin(file, self);
+
+ be_ifg_foreach_node(ifg, nodes_it, n) {
+ if(cb->is_dump_node && cb->is_dump_node(self, n)) {
+ int idx = get_irn_idx(n);
+ bitset_set(nodes, idx);
+ fprintf(file, "\tnode [");
+ if(cb->node_attr)
+ cb->node_attr(file, self, n);
+ fprintf(file, "]; n%d;\n", idx);
+ }
+ }
+
+ /* Check, if all neighbours are indeed connected to the node. */
+ be_ifg_foreach_node(ifg, nodes_it, n) {
+ be_ifg_foreach_neighbour(ifg, neigh_it, n, m) {
+ int n_idx = get_irn_idx(n);
+ int m_idx = get_irn_idx(m);
+
+ if(n_idx < m_idx && bitset_is_set(nodes, n_idx) && bitset_is_set(nodes, m_idx)) {
+ fprintf(file, "\tn%d -- n%d [", n_idx, m_idx);
+ if(cb->edge_attr)
+ cb->edge_attr(file, self, n, m);
+ fprintf(file, "];\n");
+ }
+ }
}
+
+ if(cb->at_end)
+ cb->at_end(file, self);
+
+ fprintf(file, "}\n");
+ bitset_free(nodes);
}
projects / libfirm / blobdiff