From: kazu <kazu@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Wed, 9 Mar 2005 07:14:37 +0000 (+0000)
Subject: 	* loop-unroll.c (analyze_insns_in_loop): Remove preheader.
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=cf21d54deb79e76085952f707ead3c4c833e6284;p=thirdparty%2Fgcc.git

	* loop-unroll.c (analyze_insns_in_loop): Remove preheader.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@96168 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index cfeb0ff282a9..7a2c3aa3d3ce 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -12,6 +12,8 @@
 
 	* loop-iv.c (get_biv_step_1): Remove lhs.
 
+	* loop-unroll.c (analyze_insns_in_loop): Remove preheader.
+
 2005-03-08  Jeff Law  <law@redhat.com>
 
 	* tree-cfg.c (cleanup_control_flow): If removal of a computed
diff --git a/gcc/loop-unroll.c b/gcc/loop-unroll.c
index e7a7b42fdadf..32c8d7db5e1a 100644
--- a/gcc/loop-unroll.c
+++ b/gcc/loop-unroll.c
@@ -1648,7 +1648,6 @@ analyze_insns_in_loop (struct loop *loop)
   PTR *slot1;
   PTR *slot2;
   edge *edges = get_loop_exit_edges (loop, &n_edges);
-  basic_block preheader;
   bool can_apply = false;
   
   iv_analysis_loop_init (loop);
@@ -1662,7 +1661,7 @@ analyze_insns_in_loop (struct loop *loop)
   /* Record the loop exit bb and loop preheader before the unrolling.  */
   if (!loop_preheader_edge (loop)->src)
     {
-      preheader = loop_split_edge_with (loop_preheader_edge (loop), NULL_RTX);
+      loop_split_edge_with (loop_preheader_edge (loop), NULL_RTX);
       opt_info->loop_preheader = loop_split_edge_with (loop_preheader_edge (loop), NULL_RTX);
     }
   else