basic-block.h (EDGE_IRREDUCIBLE_LOOP, [...]): New.

	* basic-block.h (EDGE_IRREDUCIBLE_LOOP, EDGE_ALL_FLAGS): New.
	* cfg.c (dump_edge_info): Add EDGE_IRREDUCIBLE_LOOP flag dump.
	* cfgloop.c (flow_loop_free): Made global.
	(establish_preds): New static function.
	(flow_loop_tree_node_add): Handle subloops of added loop correctly.
	(get_loop_exit_edges): New.
	(verify_loop_structure): Verify EDGE_IRREDUCIBLE_LOOP flags.
	* cfgloop.h (flow_loop_free, get_loop_exit_edges, unloop): Declare.
	* cfgloopanal.c (mark_irreducible_loops): Mark edges in irreducible
	loops.
	* cfgloopmanip.c (loop_delete_branch_edge): Allow to test for
	removability of an edge.
	(fix_irreducible_loops): New static function.
	(find_path, remove_path): Add ability to remove enclosing loops.
	(unloop): New.
	(copy_bbs, duplicate_loop_to_header_edge): Use EDGE_IRREDUCIBLE_LOOP
	flags.
	* cfgrtl.c (verify_flow_info): Handle EDGE_IRREDUCIBLE_LOOP flag.
	* loop-unroll.c (peel_loops_completely): Do not duplicate loop if
	not neccessary.
	(decide_peel_completely, peel_loops_completely): Allow complete peeling
	of non-duplicable once rolling loops.
	* loop-unswitch.c (unswitch_loop): Update EDGE_IRREDUCIBLE_LOOP flags.

From-SVN: r63864

1 files changed, 1 insertions, 1 deletions

diff --git a/gcc/cfg.c b/gcc/cfg.c
index 29879a8..de7a212 100644
--- a/gcc/cfg.c
+++ b/gcc/cfg.c
@@ -639,7 +639,7 @@ dump_edge_info (file, e, do_succ)
   if (e->flags)
     {
       static const char * const bitnames[]
-	= {"fallthru", "ab", "abcall", "eh", "fake", "dfs_back", "can_fallthru"};
+	= {"fallthru", "ab", "abcall", "eh", "fake", "dfs_back", "can_fallthru","irreducible"};
       int comma = 0;
       int i, flags = e->flags;