- for(i = 0; i < copies_len; ++i) {
- ir_node *copy = copies[i];
- block = get_nodes_block(copy);
-
- if(!irn_visited(block)) {
- waitq_put(worklist, block);
- }
- introduce_def_at_block(block, copy);
- DBG((dbg, LEVEL_1, "\t%+F in %+F\n", copy, block));
- }
-
- mark_iterated_dominance_frontiers(domfronts, worklist);
- del_waitq(worklist);
-
- DBG((dbg, LEVEL_2, "New Definitions:\n"));
- /*
- * Search the valid def for each use and set it.
- */
- foreach_out_edge_safe(value, edge, next) {
- ir_node *use = get_edge_src_irn(edge);
- ir_node *at = use;
- int pos = get_edge_src_pos(edge);
-
- if(ignore_uses != NULL && ir_nodeset_contains(ignore_uses, use))
- continue;
-
- if(is_Phi(use)) {
- ir_node *block = get_nodes_block(use);
- ir_node *predblock = get_Block_cfgpred_block(block, pos);
- at = sched_last(predblock);
- }
-
- ir_node *def = search_def(&env, at);
-
- if(def == NULL) {
- panic("no definition found for %+F at position %d\n", use, pos);
- }
-
- DBG((dbg, LEVEL_2, "\t%+F(%d) -> %+F\n", use, pos, def));
- set_irn_n(use, pos, def);
- }
-
- /* Recompute the liveness of the original nodes, the copies and the
- * inserted phis. */
- if(lv != NULL) {
- int n;
-
- be_liveness_update(lv, value);
- for(i = 0; i < copies_len; ++i) {
- ir_node *copy = copies[i];
- be_liveness_update(lv, copy);
- }
-
- n = ARR_LEN(env.new_phis);
- for(i = 0; i < n; ++i) {
- ir_node *phi = env.new_phis[i];
- be_liveness_introduce(lv, phi);
- }
- }
-
- clear_using_visited(irg);
- clear_using_block_visited(irg);
- clear_using_irn_link(irg);
-
- if(!need_new_phis && env.new_phis != NULL) {
- DEL_ARR_F(env.new_phis);
- return NULL;
- }
- return env.new_phis;