Use FOR_ALL_BB_FN in a few more places

	gcc/
	* cfg.c (clear_bb_flags): Use FOR_ALL_BB_FN.
	* config/nvptx/nvptx.c (nvptx_find_sese): Likewise.

From-SVN: r241315

gcc/ChangeLog

+2016-10-18  Thomas Schwinge  <thomas@codesourcery.com>
+
+	* cfg.c (clear_bb_flags): Use FOR_ALL_BB_FN.
+	* config/nvptx/nvptx.c (nvptx_find_sese): Likewise.
+
 2016-10-18  Kelvin Nilsen  <kelvin@gcc.gnu.org>
 
 	* config/rs6000/altivec.h (vec_xl_len): New macro.

gcc/cfg.c

@@ -386,7 +386,7 @@ clear_bb_flags (void)
 {
   basic_block bb;
 
-  FOR_BB_BETWEEN (bb, ENTRY_BLOCK_PTR_FOR_FN (cfun), NULL, next_bb)
+  FOR_ALL_BB_FN (bb, cfun)
     bb->flags &= BB_FLAGS_TO_PRESERVE;
 }
 

gcc/config/nvptx/nvptx.c

@@ -3091,17 +3091,11 @@ nvptx_find_sese (auto_vec<basic_block> &blocks, bb_pair_vec_t &regions)
   int ix;
 
   /* First clear each BB of the whole function.  */ 
-  FOR_EACH_BB_FN (block, cfun)
+  FOR_ALL_BB_FN (block, cfun)
     {
       block->flags &= ~BB_VISITED;
       BB_SET_SESE (block, 0);
     }
-  block = EXIT_BLOCK_PTR_FOR_FN (cfun);
-  block->flags &= ~BB_VISITED;
-  BB_SET_SESE (block, 0);
-  block = ENTRY_BLOCK_PTR_FOR_FN (cfun);
-  block->flags &= ~BB_VISITED;
-  BB_SET_SESE (block, 0);
 
   /* Mark blocks in the function that are in this graph.  */
   for (ix = 0; blocks.iterate (ix, &block); ix++)