/*
- * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
*
* This file is part of libFirm.
*
const be_irg_t *birg = loop_ana->birg;
const arch_env_t *aenv = be_get_birg_arch_env(birg);
be_lv_t *lv = be_get_birg_liveness(birg);
- pset *live_nodes = pset_new_ptr_default();
+ ir_nodeset_t live_nodes;
ir_node *irn;
int max_live;
DBG((dbg, LEVEL_1, "Processing Block %+F\n", block));
/* determine largest pressure with this block */
- live_nodes = be_liveness_end_of_block(lv, aenv, cls, block, live_nodes);
- max_live = pset_count(live_nodes);
+ ir_nodeset_init(&live_nodes);
+ be_liveness_end_of_block(lv, aenv, cls, block, &live_nodes);
+ max_live = ir_nodeset_size(&live_nodes);
sched_foreach_reverse(block, irn) {
int cnt;
if (is_Phi(irn))
break;
- live_nodes = be_liveness_transfer(aenv, cls, irn, live_nodes);
- cnt = pset_count(live_nodes);
+ be_liveness_transfer(aenv, cls, irn, &live_nodes);
+ cnt = ir_nodeset_size(&live_nodes);
max_live = MAX(cnt, max_live);
}
DBG((dbg, LEVEL_1, "Finished with Block %+F (%s %u)\n", block, cls->name, max_live));
- del_pset(live_nodes);
+ ir_nodeset_destroy(&live_nodes);
return max_live;
}
DBG((dbg, LEVEL_1, " Computing register pressure for class %s:\n", cls->name));
DBG((dbg, LEVEL_1, "=====================================================\n", cls->name));
+ /* construct control flow loop tree */
+ if (! (get_irg_loopinfo_state(irg) & loopinfo_cf_consistent)) {
+ construct_cf_backedges(irg);
+ }
+
be_compute_loop_pressure(loop_ana, get_irg_loop(irg), cls);
return loop_ana;
loop_ana->data = new_set(cmp_loop_info, 16);
loop_ana->birg = birg;
+ /* construct control flow loop tree */
+ if (! (get_irg_loopinfo_state(irg) & loopinfo_cf_consistent)) {
+ construct_cf_backedges(irg);
+ }
+
for (i = arch_isa_get_n_reg_class(isa) - 1; i >= 0; --i) {
const arch_register_class_t *cls = arch_isa_get_reg_class(isa, i);
DBG((dbg, LEVEL_1, "\n=====================================================\n", cls->name));