-void be_ra_chordal_check(be_chordal_env_t *chordal_env) {
- const arch_env_t *arch_env = chordal_env->birg->main_env->arch_env;
- struct obstack ob;
- pmap_entry *pme;
- ir_node **nodes, *n1, *n2;
- int i, o;
- DEBUG_ONLY(firm_dbg_module_t *dbg = chordal_env->dbg;)
-
- /* Collect all irns */
- obstack_init(&ob);
- pmap_foreach(chordal_env->border_heads, pme) {
- border_t *curr;
- struct list_head *head = pme->value;
- list_for_each_entry(border_t, curr, head, list)
- if (curr->is_def && curr->is_real)
- if (arch_get_irn_reg_class(arch_env, curr->irn, -1) == chordal_env->cls)
- obstack_ptr_grow(&ob, curr->irn);
- }
- obstack_ptr_grow(&ob, NULL);
- nodes = (ir_node **) obstack_finish(&ob);
-
- /* Check them */
- for (i = 0, n1 = nodes[i]; n1; n1 = nodes[++i]) {
- const arch_register_t *n1_reg, *n2_reg;
-
- n1_reg = arch_get_irn_register(arch_env, n1);
- if (!arch_reg_is_allocatable(arch_env, n1, -1, n1_reg)) {
- DBG((dbg, 0, "Register %s assigned to %+F is not allowed\n", n1_reg->name, n1));
- assert(0 && "Register constraint does not hold");
- }
- for (o = i+1, n2 = nodes[o]; n2; n2 = nodes[++o]) {
- n2_reg = arch_get_irn_register(arch_env, n2);
- if (values_interfere(chordal_env->lv, n1, n2) && n1_reg == n2_reg) {
- DBG((dbg, 0, "Values %+F and %+F interfere and have the same register assigned: %s\n", n1, n2, n1_reg->name));
- assert(0 && "Interfering values have the same color!");
- }
- }
- }
- obstack_free(&ob, NULL);
-}
-
-int nodes_interfere(const be_chordal_env_t *env, const ir_node *a, const ir_node *b)
-{
- if(env->ifg)
- return be_ifg_connected(env->ifg, a, b);
- else
- return values_interfere(env->lv, a, b);
-}
-
-