re PR tree-optimization/55334 (mgrid regression (ipa-cp disables vectorization))

2013-03-27  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/55334
	* ipa-cp.c (initialize_node_lattices): Allow IPA-CP through and to
	restricted pointers to arrays.

From-SVN: r197163

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0039342..9b94c55 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2013-03-27  Martin Jambor  <mjambor@suse.cz>
+
+       PR tree-optimization/55334
+       * ipa-cp.c (initialize_node_lattices): Allow IPA-CP through and to
+       restricted pointers to arrays.
+
 2013-03-27  Gabriel Dos Reis  <gdr@integrable-solutions.net>
 
        * Makefile.in (.SUFFIXES): Add .cc.

diff --git a/gcc/ipa-cp.c b/gcc/ipa-cp.c
index 3545ed1..aac21ce 100644 (file)
--- a/gcc/ipa-cp.c
+++ b/gcc/ipa-cp.c
@@ -730,22 +730,6 @@ initialize_node_lattices (struct cgraph_node *node)
                 cgraph_node_name (node), node->uid,
                 disable ? "BOTTOM" : "VARIABLE");
     }
-  if (!disable)
-    for (i = 0; i < ipa_get_param_count (info) ; i++)
-      {
-       struct ipcp_param_lattices *plats = ipa_get_parm_lattices (info, i);
-       tree t = TREE_TYPE (ipa_get_param(info, i));
-
-       if (POINTER_TYPE_P (t) && TYPE_RESTRICT (t)
-           && TREE_CODE (TREE_TYPE (t)) == ARRAY_TYPE)
-         {
-           set_lattice_to_bottom (&plats->itself);
-           if (dump_file && (dump_flags & TDF_DETAILS)
-               && !node->alias && !node->thunk.thunk_p)
-             fprintf (dump_file, "Going to ignore param %i of of %s/%i.\n",
-                      i, cgraph_node_name (node), node->uid);
-         }
-      }
 
   for (ie = node->indirect_calls; ie; ie = ie->next_callee)
     if (ie->indirect_info->polymorphic)