re PR middle-end/54759 (segfault for gcc.dg/vect/pr49093.c on Solaris)

2012-10-01  Dehao Chen  <dehao@google.com>

	PR middle-end/54759
	* gcc/tree-vect-loop-manip.c (slpeel_make_loop_iterate_ntimes): Use
	LOCATION_LOCUS to compare with UNKNOWN_LOCATION.
	(slpeel_tree_peel_loop_to_edge): Likewise.
	* gcc/tree-vectorizer.c (vectorize_loops): Likewise.

From-SVN: r191931

gcc/ChangeLog

+2012-10-01  Dehao Chen  <dehao@google.com>
+
+	PR middle-end/54759
+	* gcc/tree-vect-loop-manip.c (slpeel_make_loop_iterate_ntimes): Use
+	LOCATION_LOCUS to compare with UNKNOWN_LOCATION.
+	(slpeel_tree_peel_loop_to_edge): Likewise.
+	* gcc/tree-vectorizer.c (vectorize_loops): Likewise.
+
 2012-10-01  Andrew MacLeod  <amacleod@redhat.com>
 
 	PR target/54087

gcc/tree-vect-loop-manip.c

@@ -794,8 +794,9 @@ slpeel_make_loop_iterate_ntimes (struct loop *loop, tree niters)
   loop_loc = find_loop_location (loop);
   if (dump_kind_p (MSG_NOTE))
     {
-      dump_printf (MSG_NOTE, "\nloop at %s:%d: ", LOC_FILE (loop_loc),
-                   LOC_LINE (loop_loc));
+      if (LOCATION_LOCUS (loop_loc) != UNKNOWN_LOC)
+	dump_printf (MSG_NOTE, "\nloop at %s:%d: ", LOC_FILE (loop_loc),
+		     LOC_LINE (loop_loc));
       dump_gimple_stmt (MSG_NOTE, TDF_SLIM, cond_stmt, 0);
     }
   loop->nb_iterations = niters;

gcc/tree-vectorizer.c

@@ -106,7 +106,8 @@ vectorize_loops (void)
       {
 	loop_vec_info loop_vinfo;
 	vect_location = find_loop_location (loop);
-        if (vect_location != UNKNOWN_LOC && dump_kind_p (MSG_ALL))
+        if (LOCATION_LOCUS (vect_location) != UNKNOWN_LOC
+	    && dump_kind_p (MSG_ALL))
 	  dump_printf (MSG_ALL, "\nAnalyzing loop at %s:%d\n",
                        LOC_FILE (vect_location), LOC_LINE (vect_location));
 
@@ -116,7 +117,8 @@ vectorize_loops (void)
 	if (!loop_vinfo || !LOOP_VINFO_VECTORIZABLE_P (loop_vinfo))
 	  continue;
 
-        if (vect_location != UNKNOWN_LOC && dump_kind_p (MSG_ALL))
+        if (LOCATION_LOCUS (vect_location) != UNKNOWN_LOC
+	    && dump_kind_p (MSG_ALL))
           dump_printf (MSG_ALL, "\n\nVectorizing loop at %s:%d\n",
                        LOC_FILE (vect_location), LOC_LINE (vect_location));
 	vect_transform_loop (loop_vinfo);