From: rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Fri, 7 May 2010 11:55:21 +0000 (+0000)
Subject: 2010-05-07  Richard Guenther  <rguenther@suse.de>
X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=commitdiff_plain;h=d1c806cb9b7de5ea931f609b38e4979b1b9fb118

2010-05-07  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/44020
	* tree-ssa-pre.c (execute_pre): Do not remove dead inserted
	code when PRE is not yet initialized.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@159150 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a6a6be767c9..e455a98d2a5 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2010-05-07  Richard Guenther  <rguenther@suse.de>
+
+	PR tree-optimization/44020
+	* tree-ssa-pre.c (execute_pre): Do not remove dead inserted
+	code when PRE is not yet initialized.
+
 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
 	* config/mips/dbxmdebug.h: Remove.
diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c
index 49dff65b37f..514383d7773 100644
--- a/gcc/tree-ssa-pre.c
+++ b/gcc/tree-ssa-pre.c
@@ -4710,17 +4710,14 @@ execute_pre (bool do_fre)
   if (!run_scc_vn (do_fre))
     {
       if (!do_fre)
-	{
-	  remove_dead_inserted_code ();
-	  loop_optimizer_finalize ();
-	}
+	loop_optimizer_finalize ();
 
       return 0;
     }
+
   init_pre (do_fre);
   scev_initialize ();
 
-
   /* Collect and value number expressions computed in each basic block.  */
   compute_avail ();