remove return values from graph transformations

[libfirm] / ir / be / becopyopt.c

diff --git a/ir/be/becopyopt.c b/ir/be/becopyopt.c
index e624545..acc6402 100644 (file)
--- a/ir/be/becopyopt.c
+++ b/ir/be/becopyopt.c
@@ -1031,7 +1031,7 @@ void co_driver(be_chordal_env_t *cenv)
        if (selected_copyopt->copyopt == void_algo)
                return;
 
-       be_liveness_assure_chk(be_get_irg_liveness(cenv->irg));
+       be_assure_live_chk(cenv->irg);
 
        co = new_copy_opt(cenv, cost_func);
        co_build_ou_structure(co);