PR c++/49092

[pf3gnuchains/gcc-fork.git] / gcc / cfgloop.h

diff --git a/gcc/cfgloop.h b/gcc/cfgloop.h
index 722aa33..0ff44de 100644 (file)
--- a/gcc/cfgloop.h
+++ b/gcc/cfgloop.h
@@ -1,6 +1,6 @@
 /* Natural loop functions
    Copyright (C) 1987, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-   2005, 2006, 2007, 2008, 2009  Free Software Foundation, Inc.
+   2005, 2006, 2007, 2008, 2009, 2010  Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -276,7 +276,7 @@ gcov_type expected_loop_iterations_unbounded (const struct loop *);
 extern unsigned expected_loop_iterations (const struct loop *);
 extern rtx doloop_condition_get (rtx);
 
-void estimate_numbers_of_iterations_loop (struct loop *);
+void estimate_numbers_of_iterations_loop (struct loop *, bool);
 HOST_WIDE_INT estimated_loop_iterations_int (struct loop *, bool);
 bool estimated_loop_iterations (struct loop *, bool, double_int *);
 
@@ -443,6 +443,14 @@ loop_outer (const struct loop *loop)
   return VEC_index (loop_p, loop->superloops, n - 1);
 }
 
+/* Returns true if LOOP has at least one exit edge.  */
+
+static inline bool
+loop_has_exit_edges (const struct loop *loop)
+{
+  return loop->exits->next->e != NULL;
+}
+
 /* Returns the list of loops in current_loops.  */
 
 static inline VEC (loop_p, gc) *