-/*
- * Project: libFIRM
- * File name: ir/opt/gvn_pre.c
- * Purpose: Global Value Numbering Partial Redundancy Elimination
- * (VanDrunen Hosking 2004)
- * Author: Michael Beck, Rubino Geiss
- * Created:
- * CVS-ID: $Id$
- * Copyright: (c) 1998-2006 Universität Karlsruhe
+/**
+ * @file
+ * @brief Global Value Numbering Partial Redundancy Elimination
+ * (VanDrunen Hosking 2004)
+ * @author Michael Beck, Rubino Geiss
+ * @version $Id$
+ * @summary
+ *
+ * Currently completely broken because our sets do NOT preserve
+ * the topological sort!