cfg.c (unchecked_make_edge): New.

        * cfg.c (unchecked_make_edge): New.
        (cached_make_edge): Use it.
        * basic-block.h (unchecked_make_edge): Declare.
        * cfglayout.c (cfg_layout_duplicate_bb): Use it.

From-SVN: r64077

1 files changed, 27 insertions, 13 deletions

diff --git a/gcc/cfg.c b/gcc/cfg.c
index de7a212..fe40007 100644
--- a/gcc/cfg.c
+++ b/gcc/cfg.c
@@ -280,6 +280,32 @@ expunge_block (b)
   pool_free (bb_pool, b);
 }
 
+/* Create an edge connecting SRC and DEST with flags FLAGS.  Return newly
+   created edge.  Use this only if you are sure that this edge can't
+   possibly already exist.  */
+
+edge
+unchecked_make_edge (src, dst, flags)
+     basic_block src, dst;
+     int flags;
+{
+  edge e;
+  e = pool_alloc (edge_pool);
+  memset (e, 0, sizeof (*e));
+  n_edges++;
+
+  e->succ_next = src->succ;
+  e->pred_next = dst->pred;
+  e->src = src;
+  e->dest = dst;
+  e->flags = flags;
+
+  src->succ = e;
+  dst->pred = e;
+
+  return e;
+}
+
 /* Create an edge connecting SRC and DST with FLAGS optionally using
    edge cache CACHE.  Return the new edge, NULL if already exist.  */
 
@@ -320,19 +346,7 @@ cached_make_edge (edge_cache, src, dst, flags)
       break;
     }
   
-  
-  e = pool_alloc (edge_pool);
-  memset (e, 0, sizeof (*e));
-  n_edges++;
-
-  e->succ_next = src->succ;
-  e->pred_next = dst->pred;
-  e->src = src;
-  e->dest = dst;
-  e->flags = flags;
-
-  src->succ = e;
-  dst->pred = e;
+  e = unchecked_make_edge (src, dst, flags);
 
   if (use_edge_cache)
     SET_BIT (edge_cache[src->index], dst->index);