added doxygen comments

[libfirm] / ir / ir / irgopt.c

diff --git a/ir/ir/irgopt.c b/ir/ir/irgopt.c
index 6f18036..603fc02 100644 (file)
--- a/ir/ir/irgopt.c
+++ b/ir/ir/irgopt.c
@@ -40,6 +40,7 @@
 
 #include "irflag_t.h"
 #include "irhooks.h"
+#include "iredges_t.h"
 
 /* Defined in iropt.c */
 pset *new_identities (void);
@@ -509,6 +510,8 @@ dead_node_elimination(ir_graph *irg) {
   struct obstack *graveyard_obst = NULL;
   struct obstack *rebirth_obst   = NULL;
 
+       edges_init_graph(irg);
+
   /* inform statistics that we started a dead-node elimination run */
   hook_dead_node_elim_start(irg);