Fixed initialization of option tables

[libfirm] / ir / be / beirg.c

diff --git a/ir/be/beirg.c b/ir/be/beirg.c
index 9579177..b42da44 100644 (file)
--- a/ir/be/beirg.c
+++ b/ir/be/beirg.c
@@ -31,29 +31,12 @@
 #include "execfreq.h"
 #include "beirg_t.h"
 
-void be_assure_liveness_chk(be_irg_t *birg)
-{
-       if (birg->lv_chk != NULL)
-               return;
-
-       birg->lv_chk = lv_chk_new(birg->irg);
-}
-
-void be_assure_liveness(be_irg_t *birg)
+be_lv_t *be_assure_liveness(be_irg_t *birg)
 {
        if (birg->lv != NULL)
-               return;
-
-       birg->lv = be_liveness(birg->irg);
-}
-
-void be_invalidate_liveness(be_irg_t *birg)
-{
-       if (birg->lv == NULL)
-               return;
+               return birg->lv;
 
-       be_liveness_free(birg->lv);
-       birg->lv = NULL;
+       return birg->lv = be_liveness(birg->irg);
 }
 
 void be_assure_dom_front(be_irg_t *birg)
@@ -103,11 +86,6 @@ be_lv_t *(be_get_birg_liveness)(const be_irg_t *birg)
        return _be_get_birg_liveness(birg);
 }
 
-lv_chk_t *(be_get_birg_liveness_chk)(const be_irg_t *birg)
-{
-       return _be_get_birg_liveness_chk(birg);
-}
-
 be_dom_front_info_t *(be_get_birg_dom_front)(const be_irg_t *birg)
 {
        return _be_get_birg_dom_front(birg);