* cfghooks.c (split_block): Fix the information about loop latch.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@126936 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 24430b652e5c7b3e2533c015f35ba44dc19889bb..5102f813873aa230cb9058551d1999625e75fe13 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
+
+       * cfghooks.c (split_block): Fix the information about loop latch.
+
 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
 
        * cfgloopmanip.c (fix_loop_structure): Call force_single_succ_latches.

diff --git a/gcc/cfghooks.c b/gcc/cfghooks.c
index d436f011fac35409b214e4e2661d1856ff61c40a..948300c028e1ce366744cac3d72d6323e9588085 100644 (file)
--- a/gcc/cfghooks.c
+++ b/gcc/cfghooks.c
@@ -432,7 +432,11 @@ split_block (basic_block bb, void *i)
     }
 
   if (current_loops != NULL)
-    add_bb_to_loop (new_bb, bb->loop_father);
+    {
+      add_bb_to_loop (new_bb, bb->loop_father);
+      if (bb->loop_father->latch == bb)
+       bb->loop_father->latch = new_bb;
+    }
 
   return make_single_succ_edge (bb, new_bb, EDGE_FALLTHRU);
 }