Fixed initialization of option tables
[libfirm] / ir / be / bespillbelady.c
index 6b6c660..a1e8200 100644 (file)
@@ -83,7 +83,7 @@ typedef struct _belady_env_t {
        struct obstack ob;
        const arch_env_t *arch;
        const arch_register_class_t *cls;
-       const be_lv_t *lv;
+       be_lv_t *lv;
        be_loopana_t *loop_ana;
        int n_regs;                     /** number of regs in this reg-class */
 
@@ -372,6 +372,7 @@ static loc_t to_take_or_not_to_take(belady_env_t *env, ir_node* first,
        loc_t loc;
        loc.time = USES_INFINITY;
        loc.irn = node;
+       (void) block;
 
        if (!arch_irn_consider_in_reg_alloc(env->arch, env->cls, node)) {
                loc.time = USES_INFINITY;
@@ -709,13 +710,15 @@ void be_spill_belady_spill_env(be_irg_t *birg, const arch_register_class_t *cls,
        if(n_regs == 0)
                return;
 
-       be_invalidate_liveness(birg);
-       be_assure_liveness(birg);
+       be_liveness_assure_sets(be_assure_liveness(birg));
+
        /* construct control flow loop tree */
        if(! (get_irg_loopinfo_state(irg) & loopinfo_cf_consistent)) {
                construct_cf_backedges(irg);
        }
 
+       be_clear_links(irg);
+
        /* init belady env */
        obstack_init(&env.ob);
        env.arch      = birg->main_env->arch_env;
@@ -731,7 +734,6 @@ void be_spill_belady_spill_env(be_irg_t *birg, const arch_register_class_t *cls,
                env.senv = spill_env;
        }
 
-       be_clear_links(irg);
        /* Decide which phi nodes will be spilled and place copies for them into the graph */
        irg_block_walk_graph(irg, compute_live_ins, NULL, &env);
        /* Fix high register pressure with belady algorithm */