fixed AM optimization

[libfirm] / ir / be / bechordal_main.c

diff --git a/ir/be/bechordal_main.c b/ir/be/bechordal_main.c
index 5f74c84..b83293d 100644 (file)
--- a/ir/be/bechordal_main.c
+++ b/ir/be/bechordal_main.c
@@ -241,10 +241,12 @@ static void dump(unsigned mask, ir_graph *irg,
        }
 }
 
-static void be_ra_chordal_main(const be_main_env_t *main_env, ir_graph *irg)
+static void be_ra_chordal_main(const be_irg_t *bi)
 {
        int j, m;
        be_chordal_env_t chordal_env;
+       ir_graph *irg = bi->irg;
+       const be_main_env_t *main_env = bi->main_env;
        const arch_isa_t *isa = arch_env_get_isa(main_env->arch_env);
 
        compute_doms(irg);
@@ -317,8 +319,8 @@ static void be_ra_chordal_main(const be_main_env_t *main_env, ir_graph *irg)
        lower_nodes_after_ra(&chordal_env, options.lower_perm_method == BE_CH_LOWER_PERM_COPY ? 1 : 0);
        dump(BE_CH_DUMP_LOWER, irg, NULL, "-belower-after-ra", dump_ir_block_graph_sched);
 
-       be_free_dominance_frontiers(chordal_env.dom_front);
        obstack_free(&chordal_env.obst, NULL);
+       be_free_dominance_frontiers(chordal_env.dom_front);
 }
 
 const be_ra_t be_ra_chordal_allocator = {