get_opt_alias_analysis(), set_opt_alias_analysis() added

[libfirm] / ir / ana / irouts.c

diff --git a/ir/ana/irouts.c b/ir/ana/irouts.c
index 0a1954f..fae352a 100644 (file)
--- a/ir/ana/irouts.c
+++ b/ir/ana/irouts.c
@@ -45,14 +45,14 @@
 /** Accessing the out datastructures                                 **/
 /*--------------------------------------------------------------------*/
 
+#ifdef DEBUG_libfirm
 /** Clear the outs of a node */
 static void reset_outs (ir_node *node, void *unused)
 {
   node->out = NULL;
-#ifdef DEBUG_libfirm
   node->out_valid = 0;
-#endif /* defined DEBUG_libfirm */
 }
+#endif
 
 /* returns the number of successors of the node: */
 int get_irn_n_outs    (ir_node *node) {
@@ -417,7 +417,6 @@ void compute_irg_outs(ir_graph *irg) {
 
   if (current_ir_graph->outs_state != outs_none)
     free_irg_outs(current_ir_graph);
-  current_ir_graph->outs_state = outs_consistent;
 
   /* This first iteration counts the overall number of out edges and the
      number of out edges for each node. */
@@ -441,9 +440,15 @@ void compute_irg_outs(ir_graph *irg) {
      the out block walker. */
   fix_start_proj(irg);
 
+  current_ir_graph->outs_state = outs_consistent;
   current_ir_graph = rem;
 }
 
+void assure_irg_outs(ir_graph *irg) {
+  if (get_irg_outs_state(irg) != outs_consistent)
+    compute_irg_outs(irg);
+}
+
 void compute_irp_outs(void) {
   int i, n_irgs = get_irp_n_irgs();
   for (i = 0; i < n_irgs; ++i)