create copy opt structures only when needed

diff --git a/ir/be/bechordal_main.c b/ir/be/bechordal_main.c
index 7ea2e49..1038375 100644 (file)
--- a/ir/be/bechordal_main.c
+++ b/ir/be/bechordal_main.c
@@ -346,8 +346,12 @@ static void be_ra_chordal_main(const be_irg_t *bi)
                co_compare_solvers(&chordal_env);
 #else /* COPYOPT_STAT */
                {
-                       copy_opt_t *co = new_copy_opt(&chordal_env, co_get_costs_loop_depth);
-                       co_build_ou_structure(co);
+                       copy_opt_t *co = NULL;
+
+                       if (options.copymin_method != BE_CH_COPYMIN_NONE) {
+                               co = new_copy_opt(&chordal_env, co_get_costs_loop_depth);
+                               co_build_ou_structure(co);
+                       }
 
                        switch(options.copymin_method) {
                                case BE_CH_COPYMIN_HEUR:
@@ -355,6 +359,7 @@ static void be_ra_chordal_main(const be_irg_t *bi)
                                        break;
 #ifdef WITH_ILP
                                case BE_CH_COPYMIN_ILP1:
+                                       printf("FIXME: %s:%d ILP1 not yet implemented!\n", __FILE__, __LINE__);
                                        co_solve_ilp1(co, 60.0);
                                        break;
                                case BE_CH_COPYMIN_ILP2:
@@ -368,8 +373,10 @@ static void be_ra_chordal_main(const be_irg_t *bi)
                                        break;
                        }
 
-                       co_free_ou_structure(co);
-                       free_copy_opt(co);
+                       if (co) {
+                               co_free_ou_structure(co);
+                               free_copy_opt(co);
+                       }
                }
 #endif /* COPYOPT_STAT */
                dump(BE_CH_DUMP_COPYMIN, irg, chordal_env.cls, "-copymin", dump_ir_block_graph_sched);