- list_for_each_entry_reverse(border_t, b, head, list) {
- const ir_node *irn = b->irn;
- if (is_removed(irn))
- continue;
-
- if (b->is_def) {
- DBG((dbg, LEVEL_2, "Def %n\n", irn));
- pset_insert_ptr(living, irn);
- phase = growing;
- } else { /* is_use */
- DBG((dbg, LEVEL_2, "Use %n\n", irn));
-
- /* before shrinking the set, store the current 'maximum' clique;
- * do NOT if clique is a single node
- * do NOT if all values are live_in (in this case they were contained in a live-out clique elsewhere) */
- if (phase == growing && pset_count(living) >= 2 && !all_live_in(block, living)) {
- int cst_idx;
- ir_node *n;
- mangle_cst(pi->buf, 'B', pi->cst_counter);
- cst_idx = lpp_add_cst(pi->curr_lp, pi->buf, less, 1);
- for (n = pset_first(living); n; n = pset_next(living)) {
- int var_idx;
- mangle_var_irn(pi->buf, 'x', n, pi->curr_color);
- var_idx = lpp_get_var_idx(pi->curr_lp, pi->buf);
- assert(var_idx>=1);
- lpp_set_factor_fast(pi->curr_lp, cst_idx, var_idx, 1);
+ DBG((dbg, LEVEL_2, "Add B constraints (col = %d)...\n", color));
+ /* iterate over all blocks */
+ pmap_foreach(pi->co->chordal_env->border_heads, pme) {
+ ir_node *block = pme->key;
+ struct list_head *head = pme->value;
+
+ list_for_each_entry_reverse(border_t, b, head, list) {
+ const ir_node *irn = b->irn;
+ if (is_removed(irn) || !is_color_possible(irn, color))
+ continue;
+
+ if (b->is_def) {
+ DBG((dbg, LEVEL_2, "Def %n\n", irn));
+ pset_insert_ptr(living, irn);
+ phase = growing;
+ } else { /* is_use */
+ DBG((dbg, LEVEL_2, "Use %n\n", irn));
+
+ /* before shrinking the set, store the current 'maximum' clique;
+ * do NOT if clique is a single node
+ * do NOT if all values are live_in (in this case they were contained in a live-out clique elsewhere) */
+ if (phase == growing && pset_count(living) >= 2 && !all_live_in(block, living)) {
+ int cst_idx;
+ ir_node *n;
+ mangle_cst(pi->buf, 'B', pi->cst_counter);
+ cst_idx = lpp_add_cst(pi->curr_lp, pi->buf, less, 1);
+ for (n = pset_first(living); n; n = pset_next(living)) {
+ int var_idx;
+ mangle_var_irn(pi->buf, 'x', n, color);
+ var_idx = lpp_get_var_idx(pi->curr_lp, pi->buf);
+ lpp_set_factor_fast(pi->curr_lp, cst_idx, var_idx, 1);
+ }
+ pi->cst_counter++;