predict.c (tree_estimate_probability): Check to make sure current_loops is non…

predict.c (tree_estimate_probability): Check to make sure current_loops is non null before calling flow_loops_dump.

2006-11-23  Andrew Pinski  <pinskia@gmail.com>

        * predict.c (tree_estimate_probability): Check to make
        sure current_loops is non null before calling flow_loops_dump.
2006-11-23  Andrew Pinski  <pinskia@gmail.com>

        * gcc.dg/tree-ssa/dump-1.c: New test.

From-SVN: r119128

gcc/ChangeLog

+2006-11-23  Andrew Pinski  <pinskia@gmail.com>
+
+	* predict.c (tree_estimate_probability): Check to make
+	sure current_loops is non null before calling flow_loops_dump.
+
 2006-11-23  Bernd Schmidt  <bernd.schmidt@analog.com>
 
 	* var-tracking.c (emit_note_insn_var_location): Revert previous patch.

gcc/predict.c

@@ -1251,7 +1251,7 @@ tree_estimate_probability (void)
   basic_block bb;
 
   loop_optimizer_init (0);
-  if (dump_file && (dump_flags & TDF_DETAILS))
+  if (current_loops && dump_file && (dump_flags & TDF_DETAILS))
     flow_loops_dump (current_loops, dump_file, NULL, 0);
 
   add_noreturn_fake_exit_edges ();

gcc/testsuite/ChangeLog

+2006-11-23  Andrew Pinski  <pinskia@gmail.com>
+
+	* gcc.dg/tree-ssa/dump-1.c: New test.
+
 2006-11-23  David Ung <davidu@mips.com>
 	
 	* gcc.target/mips/mips.exp (dg-mips-options): Handle parsing of

gcc/testsuite/gcc.dg/tree-ssa/dump-1.c

+/* { dg-do compile } */
+/* { dg-options "-O1 -fdump-tree-profile-details" } */
+
+int f(void)
+{
+  return 0;
+}
+
+/* { dg-final { cleanup-tree-dump "profile" } } */