2005-05-24 Andrew Pinski <pinskia@physics.uc.edu>

[pf3gnuchains/gcc-fork.git] / gcc / tree-ssa-loop-ch.c

diff --git a/gcc/tree-ssa-loop-ch.c b/gcc/tree-ssa-loop-ch.c
index fb5f7f6..378755c 100644 (file)
--- a/gcc/tree-ssa-loop-ch.c
+++ b/gcc/tree-ssa-loop-ch.c
@@ -131,12 +131,10 @@ copy_loop_headers (void)
   basic_block *bbs, *copied_bbs;
   unsigned n_bbs;
   unsigned bbs_size;
-  gcov_type entry_count, body_count, total_count;
 
   loops = loop_optimizer_init (dump_file);
   if (!loops)
     return;
-  rewrite_into_loop_closed_ssa (NULL);
   
   /* We do not try to keep the information about irreducible regions
      up-to-date.  */
@@ -202,8 +200,6 @@ copy_loop_headers (void)
        exit = single_succ_edge (loop_split_edge_with (exit, NULL));
 
       entry = loop_preheader_edge (loop);
-      entry_count = entry->src->count;
-      body_count = exit->dest->count;
 
       if (!tree_duplicate_sese_region (entry, exit, bbs, n_bbs, copied_bbs))
        {
@@ -211,23 +207,6 @@ copy_loop_headers (void)
          continue;
        }
 
-      /* Fix profiling info.  Scaling is done in gcov_type arithmetic to
-        avoid losing information; this is slow, but is done at most
-        once per loop.  We special case 0 to avoid division by 0;
-         probably other special cases exist.  */
-      total_count = body_count + entry_count;
-      if (total_count == 0LL)
-       {
-         scale_bbs_frequencies_int (bbs, n_bbs, 0, 1);
-         scale_bbs_frequencies_int (copied_bbs, n_bbs, 0, 1);
-       }
-      else
-       {
-         scale_bbs_frequencies_gcov_type (bbs, n_bbs, body_count, total_count);
-         scale_bbs_frequencies_gcov_type (copied_bbs, n_bbs, entry_count, 
-                                          total_count);
-       }
-
       /* Ensure that the latch and the preheader is simple (we know that they
         are not now, since there was the loop exit condition.  */
       loop_split_edge_with (loop_preheader_edge (loop), NULL);
@@ -237,10 +216,6 @@ copy_loop_headers (void)
   free (bbs);
   free (copied_bbs);
 
-#ifdef ENABLE_CHECKING
-  verify_loop_closed_ssa ();
-#endif
-
   loop_optimizer_finalize (loops, NULL);
 }