- Allow an arbitrary (for arbitrary < 32) number of in_rBAR and !in_rBAR constraints...

[libfirm] / ir / be / beirg.c

diff --git a/ir/be/beirg.c b/ir/be/beirg.c
index c9cd719..eaeca4e 100644 (file)
--- a/ir/be/beirg.c
+++ b/ir/be/beirg.c
@@ -30,22 +30,14 @@
 
 #include "execfreq.h"
 #include "beirg_t.h"
+#include "absgraph.h"
 
-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);
 }
 
 void be_assure_dom_front(be_irg_t *birg)