Typo fixed.

[libfirm] / ir / ir / irgopt.h

diff --git a/ir/ir/irgopt.h b/ir/ir/irgopt.h
index cf53c2e..58a19e6 100644 (file)
--- a/ir/ir/irgopt.h
+++ b/ir/ir/irgopt.h
@@ -101,25 +101,28 @@ void place_code(ir_graph *irg);
 
 /** Control flow optimization.
  * Removes empty blocks doing if simplifications and loop simplifications.
- * A block is empty if it contains only a Jmp node and
- * Phi nodes.
+ * A block is empty if it contains only a Jmp node and Phi nodes.
  * Merges single entry single exit blocks with their predecessor
  * and propagates dead control flow by calling equivalent_node.
  * Independent of compiler flag it removes Tuples from cf edges,
  * Bad predecessors form blocks and unnecessary predecessors of End.
  *
  * @bug So far destroys backedge information.
+ * @bug Chokes on Id nodes if called in a certain order with other
+ *      optimizations.  Call local_optimize_graph before to remove
+ *      Ids.
  */
 void optimize_cf(ir_graph *irg);
 
+
 /** Places an empty basic block on critical control flow edges thereby
    removing them.
-
    A critical control flow edge is an edge from a block with several
    control exits to a block with several control entries (See Muchnic
    p. 407).
-
-   @todo not yet implemented!!! */
+   Is only executed if flag set_opt_critical_edges() is set.
+   @param irg IR Graph
+*/
 void remove_critical_cf_edges(ir_graph *irg);
 
 # endif /* _IRGOPT_H_ */