remove ins_permuted from CMovcc and Setcc constructors (again)

[libfirm] / ir / be / beflags.c

diff --git a/ir/be/beflags.c b/ir/be/beflags.c
index a4cf30b..0a3871a 100644 (file)
--- a/ir/be/beflags.c
+++ b/ir/be/beflags.c
@@ -173,8 +173,10 @@ static void rematerialize_or_move(ir_node *flags_needed, ir_node *node,
                        get_nodes_block(node) != get_nodes_block(flags_needed)) {
                int i;
 
-               for (i = get_irn_arity(copy) - 1; i >= 0; --i) {
-                       be_liveness_update(lv, get_irn_n(copy, i));
+               if (lv != NULL) {
+                       for (i = get_irn_arity(copy) - 1; i >= 0; --i) {
+                               be_liveness_update(lv, get_irn_n(copy, i));
+                       }
                }
        }
 }