more consts

[libfirm] / ir / ana / ircfscc.c

diff --git a/ir/ana/ircfscc.c b/ir/ana/ircfscc.c
index 8feda3a..18cd22b 100644 (file)
--- a/ir/ana/ircfscc.c
+++ b/ir/ana/ircfscc.c
@@ -163,6 +163,12 @@ static INLINE void init_stack(void) {
        tos = 0;
 }
 
+static void finish_stack(void)
+{
+       DEL_ARR_F(stack);
+       stack = NULL;
+}
+
 /**
  * Push a node n onto the IR-node stack.
  */
@@ -296,6 +302,11 @@ static INLINE void init_scc(ir_graph *irg, struct obstack *obst) {
        irg_walk_graph(irg, init_node, NULL, obst);
 }
 
+static INLINE void finish_scc(void)
+{
+       finish_stack();
+}
+
 #ifdef INTERPROCEDURAL_VIEW
 /**
  * Initializes the scc algorithm for the interprocedural case.
@@ -655,6 +666,7 @@ int construct_cf_backedges(ir_graph *irg) {
                if (is_Block(el))
                        cfscc(el);
        }
+       finish_scc();
        obstack_free(&temp, NULL);
 
        assert(head_rem == current_loop);