-static void phi_walker(ir_node *irn, void *env) {
- spill_env_t *senv = env;
- const arch_env_t *arch = senv->chordal_env->main_env->arch_env;
-
- if (is_Phi(irn) && arch_irn_has_reg_class(arch, irn, 0, senv->cls)
- && senv->is_mem_phi(irn, senv->data)) {
- DBG((senv->dbg, LEVEL_1, " %+F\n", irn));
- pset_insert_ptr(senv->mem_phis, irn);
- }
-}
-
-void be_insert_spills_reloads(spill_env_t *senv, pset *reload_set) {
- ir_graph *irg = senv->chordal_env->irg;
- ir_node *irn;
- spill_info_t *si;
- struct obstack ob;
-
- obstack_init(&ob);
-
- /* get all special spilled phis */
- DBG((senv->dbg, LEVEL_1, "Mem-phis:\n"));
- senv->mem_phis = pset_new_ptr_default();
- irg_walk_graph(senv->chordal_env->irg, phi_walker, NULL, senv);
-
- /* Add reloads for mem_phis */
- /* BETTER: These reloads (1) should only be inserted, if they are really needed */
- DBG((senv->dbg, LEVEL_1, "Reloads for mem-phis:\n"));
- for(irn = pset_first(senv->mem_phis); irn; irn = pset_next(senv->mem_phis)) {
- const ir_edge_t *e;
- DBG((senv->dbg, LEVEL_1, " Mem-phi %+F\n", irn));
- foreach_out_edge(irn, e) {
- ir_node *user = e->src;
- if (is_Phi(user) && !pset_find_ptr(senv->mem_phis, user)) {
- ir_node *use_bl = get_nodes_block(user);
- DBG((senv->dbg, LEVEL_1, " non-mem-phi user %+F\n", user));
- be_add_reload_on_edge(senv, irn, use_bl, e->pos); /* (1) */
- }
- }
- }
-
- /* process each spilled node */
- DBG((senv->dbg, LEVEL_1, "Insert spills and reloads:\n"));
- for(si = set_first(senv->spills); si; si = set_next(senv->spills)) {
- reloader_t *rld;
- ir_node **reloads;
- int n_reloads = 0;
- ir_mode *mode = get_irn_mode(si->spilled_node);
-
- /* go through all reloads for this spill */
- for(rld = si->reloaders; rld; rld = rld->next) {
- /* the spill for this reloader */
- ir_node *spill = be_spill_node(senv, si->spilled_node);
-
- /* the reload */
- ir_node *bl = is_Block(rld->reloader) ? rld->reloader : get_nodes_block(rld->reloader);
- ir_node *reload = be_new_Reload(senv->cls, irg, bl, mode, spill);
-
- DBG((senv->dbg, LEVEL_1, " %+F of %+F before %+F\n", reload, si->spilled_node, rld->reloader));
- if(reload_set)
- pset_insert_ptr(reload_set, reload);
-
- /* remember the reaload */
- obstack_ptr_grow(&ob, reload);
- sched_add_before(rld->reloader, reload);
- n_reloads++;