fixed precedence constraint

[libfirm] / ir / be / beirgmod.h

diff --git a/ir/be/beirgmod.h b/ir/be/beirgmod.h
index e2349b7..420eaa9 100644 (file)
--- a/ir/be/beirgmod.h
+++ b/ir/be/beirgmod.h
@@ -1,10 +1,16 @@
-
 /**
- * IRG modifications for be routines.
- * @date 4.5.2005
+ * This file contains the following IRG modifications for be routines:
+ * - backend dominance information
+ * - SSA construction for a set of nodes
+ * - insertion of Perm nodes
+ * - empty block elimination
+ * - a simple dead node elimination (set inputs of unreachable nodes to BAD)
  *
- * Copyright (C) 2005 Universitaet Karlsruhe.
- * Released under the GPL.
+ * Author:      Sebastian Hack, Daniel Grund, Matthias Braun, Christian Wuerdig
+ * Date:        04.05.2005
+ * Copyright:   (c) Universitaet Karlsruhe
+ * Licence:     This file protected by GPL -  GNU GENERAL PUBLIC LICENSE.
+ * CVS-Id:      $Id$
  */
 
 #ifndef _BEIRGMOD_H
@@ -31,9 +37,9 @@ be_dom_front_info_t *be_compute_dominance_frontiers(ir_graph *irg);
  * Get the dominance frontier of a block.
  * @param info         A pointer to the dominance frontier information.
  * @param block The block whose dominance frontier you want.
- * @return A set containing the all blocks in the dominance frontier of @p block.
+ * @return A list containing the all blocks in the dominance frontier of @p block.
  */
-pset *be_get_dominance_frontier(be_dom_front_info_t *info, ir_node *block);
+ir_node **be_get_dominance_frontier(be_dom_front_info_t *info, ir_node *block);
 
 /**
  * Free some dominance frontier information.
@@ -121,9 +127,13 @@ struct _be_chordal_env_t;
 void extreme_liverange_splitting(struct _be_chordal_env_t *cenv);
 
 /**
- * removes basic blocks that only contain a jump instruction
- * (this will potentially create critical edges)
+ * Removes basic blocks that only contain a jump instruction
+ * (this will potentially create critical edges).
+ *
+ * @param irg  the graph that will be changed
+ *
+ * @return non-zero if the graph was changed, zero else
  */
-void be_remove_empty_blocks(ir_graph *irg);
+int be_remove_empty_blocks(ir_graph *irg);
 
 #endif /* _BEIRGMOD_H */