ssa-ccp.c (ssa_ccp_substitute_constants): Backout 2002-03-05 patch.

	* ssa-ccp.c (ssa_ccp_substitute_constants): Backout 2002-03-05
	patch.

From-SVN: r50359

gcc/ChangeLog

+2002-03-06  Jakub Jelinek  <jakub@redhat.com>
+
+	* ssa-ccp.c (ssa_ccp_substitute_constants): Backout 2002-03-05
+	patch.
+
 Wed Mar  6 11:28:19 CET 2002  Jan Hubicka  <jh@suse.cz>
 
 	* predict.c (estimate_bb_frequencies): Do not reload the

gcc/ssa-ccp.c

@@ -856,14 +856,10 @@ ssa_ccp_substitute_constants ()
     {
       if (values[i].lattice_val == CONSTANT)
 	{
-	  rtx def = VARRAY_RTX (ssa_definition, i), set;
+	  rtx def = VARRAY_RTX (ssa_definition, i);
+	  rtx set = single_set (def);
 	  struct df_link *curruse;
 
-	  /* Definition might have been deleted already.  */
-	  if (! def)
-	    continue;
-
-	  set = single_set (def);
 	  if (! set)
 	    continue;