PR debug/43084

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

diff --git a/gcc/cfgloop.h b/gcc/cfgloop.h
index 93fa12e..26f9050 100644 (file)
--- a/gcc/cfgloop.h
+++ b/gcc/cfgloop.h
@@ -58,7 +58,7 @@ struct GTY ((chain_next ("%h.next"))) nb_iter_bound {
      b) it is consistent with the result of number_of_iterations_exit.  */
   double_int bound;
 
-  /* True if the statement will cause the loop to be leaved the (at most) 
+  /* True if the statement will cause the loop to be leaved the (at most)
      BOUND + 1-st time it is executed, that is, all the statements after it
      are executed at most BOUND times.  */
   bool is_exit;
@@ -157,6 +157,13 @@ struct GTY ((chain_next ("%h.next"))) loop {
 
   /* Head of the cyclic list of the exits of the loop.  */
   struct loop_exit *exits;
+
+  /* True if the loop can be parallel.  */
+  bool can_be_parallel;
+
+  /* The single induction variable of the loop when the loop is in
+     normal form.  */
+  tree single_iv;
 };
 
 /* Flags for state of loop structure.  */
@@ -233,7 +240,7 @@ extern unsigned get_loop_body_with_size (const struct loop *, basic_block *,
                                         unsigned);
 extern basic_block *get_loop_body_in_dom_order (const struct loop *);
 extern basic_block *get_loop_body_in_bfs_order (const struct loop *);
-extern basic_block *get_loop_body_in_custom_order (const struct loop *, 
+extern basic_block *get_loop_body_in_custom_order (const struct loop *,
                               int (*) (const void *, const void *));
 
 extern VEC (edge, heap) *get_loop_exit_edges (const struct loop *);
@@ -285,7 +292,8 @@ extern edge create_empty_if_region_on_edge (edge, tree);
 extern struct loop *create_empty_loop_on_edge (edge, tree, tree, tree, tree,
                                               tree *, tree *, struct loop *);
 extern struct loop * duplicate_loop (struct loop *, struct loop *);
-extern bool duplicate_loop_to_header_edge (struct loop *, edge, 
+extern void duplicate_subloops (struct loop *, struct loop *);
+extern bool duplicate_loop_to_header_edge (struct loop *, edge,
                                           unsigned, sbitmap, edge,
                                           VEC (edge, heap) **, int);
 extern struct loop *loopify (edge, edge,