From: Martin Jambor <mjambor@suse.cz>
Date: Wed, 27 Mar 2013 14:06:58 +0000 (+0100)
Subject: re PR tree-optimization/55334 (mgrid regression (ipa-cp disables vectorization))
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b37a6ce50960a9125c6da5d8e7256a83afe3d294;p=gcc.git

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 0039342341e..9b94c5541d6 100644
--- 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 3545ed1b53a..aac21ceb6fa 100644
--- 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)