From patchwork Tue Nov 27 12:00:05 2012
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Subject: Remove dead code from fold_stmt_1
Date: Tue, 27 Nov 2012 02:00:05 -0000
From: Richard Guenther <rguenther@suse.de>
X-Patchwork-Id: 202197
Message-Id: <alpine.LNX.2.00.1211271259340.8142@zhemvz.fhfr.qr>
To: gcc-patches@gcc.gnu.org

This removes dead code as suggested by Jakub.

Bootstrapped and tested on x86_64-unknown-linux-gnu.

Richard.

2012-11-27  Richard Biener  <rguenther@suse.de>

	* gimple-fold.c (fold_stmt_1): Remove unnecessary code.


Index: gcc/gimple-fold.c
===================================================================
--- gcc/gimple-fold.c	(revision 193839)
+++ gcc/gimple-fold.c	(working copy)
@@ -1282,14 +1282,6 @@ fold_stmt_1 (gimple_stmt_iterator *gsi,
     default:;
     }
 
-  /* If stmt folds into nothing and it was the last stmt in a bb,
-     don't call gsi_stmt.  */
-  if (gsi_end_p (*gsi))
-    {
-      gcc_assert (next_stmt == NULL);
-      return changed;
-    }
-
   stmt = gsi_stmt (*gsi);
 
   /* Fold *& on the lhs.  Don't do this if stmt folded into nothing,