-void be_ssa_constr_set(dom_front_info_t *info, be_lv_t *lv, pset *nodes)
-{
- pset *empty_set = be_empty_set();
- be_ssa_constr_set_ignore(info, lv, nodes, empty_set);
-}
-
-/*
- ___ _ ____
- |_ _|_ __ ___ ___ _ __| |_ | _ \ ___ _ __ _ __ ___
- | || '_ \/ __|/ _ \ '__| __| | |_) / _ \ '__| '_ ` _ \
- | || | | \__ \ __/ | | |_ | __/ __/ | | | | | | |
- |___|_| |_|___/\___|_| \__| |_| \___|_| |_| |_| |_|
-
-*/
-
-ir_node *insert_Perm_after(const arch_env_t *arch_env,
- be_lv_t *lv,
- const arch_register_class_t *cls,
- dom_front_info_t *dom_front,
- ir_node *pos)
-{
- ir_node *bl = is_Block(pos) ? pos : get_nodes_block(pos);
- ir_graph *irg = get_irn_irg(bl);
- pset *live = pset_new_ptr_default();
- FIRM_DBG_REGISTER(firm_dbg_module_t *dbg, "be.node");
-
- ir_node *curr, *irn, *perm, **nodes;
- int i, n;
-
- DBG((dbg, LEVEL_1, "Insert Perm after: %+F\n", pos));
-
- be_liveness_nodes_live_at(lv, arch_env, cls, pos, live);
-
- n = pset_count(live);
-
- if(n == 0) {
- del_pset(live);
- return NULL;
- }
-
- nodes = xmalloc(n * sizeof(nodes[0]));
-
- DBG((dbg, LEVEL_1, "live:\n"));
- for(irn = pset_first(live), i = 0; irn; irn = pset_next(live), i++) {
- DBG((dbg, LEVEL_1, "\t%+F\n", irn));
- nodes[i] = irn;
- }
- del_pset(live);
-
- perm = be_new_Perm(cls, irg, bl, n, nodes);
- sched_add_after(pos, perm);
- free(nodes);
-
- curr = perm;
- for(i = 0; i < n; ++i) {
- ir_node *copies[2];
- ir_node *perm_op = get_irn_n(perm, i);
- const arch_register_t *reg = arch_get_irn_register(arch_env, perm_op);
-
- ir_mode *mode = get_irn_mode(perm_op);
- ir_node *proj = new_r_Proj(irg, bl, perm, mode, i);
- arch_set_irn_register(arch_env, proj, reg);
-
- sched_add_after(curr, proj);
- curr = proj;
-
- copies[0] = perm_op;
- copies[1] = proj;
-
- be_ssa_constr(dom_front, lv, 2, copies);
- }
-
- return perm;
-}
-
-struct _elr_closure_t {
- struct obstack obst;
- const be_chordal_env_t *cenv;
-};
-
-static void elr_split_walker(ir_node *bl, void *data)
-{
- struct _elr_closure_t *c = data;
- const be_chordal_env_t *cenv = c->cenv;
- const arch_env_t *aenv = cenv->birg->main_env->arch_env;
- be_insn_t *insn;
- be_insn_env_t ie;
-
- be_insn_env_init(&ie, cenv->birg, cenv->cls, &c->obst);
-
- for(insn = be_scan_insn(&ie, sched_first(bl)); !is_Block(insn->irn); insn = be_scan_insn(&ie, insn->next_insn)) {
- ir_node *pred = sched_prev(insn->irn);
- if(!is_Block(pred) && !is_Phi(insn->irn))
- insert_Perm_after(aenv, cenv->lv, cenv->cls, cenv->dom_front, insn->irn);
- }