ddg.c (create_ddg): Exclude nodes of debug_insn in counting nodes of a loop.

2010-07-19  Bingfeng Mei  <bmei@broadcom.com>
	* ddg.c (create_ddg): Exclude nodes of debug_insn in counting nodes
        of a loop.
        * loop-doloop.c (doloop_condition_get): Skip possible debug_insn.

From-SVN: r162300

1 files changed, 1 insertions, 1 deletions

diff --git a/gcc/ddg.c b/gcc/ddg.c
index 295c4e8..0a20ed6 100644
--- a/gcc/ddg.c
+++ b/gcc/ddg.c
@@ -488,7 +488,7 @@ create_ddg (basic_block bb, int closing_branch_deps)
     }
 
   /* There is nothing to do for this BB.  */
-  if (num_nodes <= 1)
+  if ((num_nodes - g->num_debug) <= 1)
     {
       free (g);
       return NULL;