[Bug middle-end/40979] induct benchmark 60% slower when compiled with -fgraphite-identity

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40979

--- Comment #14 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-02-01 
11:45:44 UTC ---
Noting that pass_graphite_transforms lacks any verifier calls, the following
would enable the cleanup (in case scalar vars would have been used).

Index: gcc/tree-ssa-loop.c
===================================================================
--- gcc/tree-ssa-loop.c (revision 169434)
+++ gcc/tree-ssa-loop.c (working copy)
@@ -314,7 +314,8 @@ struct gimple_opt_pass pass_graphite_tra
   0,                                   /* properties_provided */
   0,                                   /* properties_destroyed */
   0,                                   /* todo_flags_start */
-  0                                    /* todo_flags_finish */
+  TODO_update_address_taken
+  | TODO_dump_func                     /* todo_flags_finish */
  }
 };