X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fopt%2Fcfopt.h;h=fbd552b271d98cc6c720c2d6d236d6163fb6b9d1;hb=0353e2153d9129e1cf630d8efba81f3b6d1e3d4e;hp=0bbd136b9e0fe47d3dfcd64ca9cedbe3176cc927;hpb=537ab2daad45aea2daa8741b64dacccadb1445d5;p=libfirm diff --git a/ir/opt/cfopt.h b/ir/opt/cfopt.h index 0bbd136b9..fbd552b27 100644 --- a/ir/opt/cfopt.h +++ b/ir/opt/cfopt.h @@ -1,23 +1,30 @@ /* - * Project: libFIRM - * File name: ir/opt/cfopt.h - * Purpose: control flow optimizations - * Author: Goetz Lindenmaier - * Created: - * CVS-ID: $Id$ - * Copyright: (c) 1998-2004 Universität Karlsruhe - * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE. + * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved. + * + * This file is part of libFirm. + * + * This file may be distributed and/or modified under the terms of the + * GNU General Public License version 2 as published by the Free Software + * Foundation and appearing in the file LICENSE.GPL included in the + * packaging of this file. + * + * Licensees holding valid libFirm Professional Edition licenses may use + * this file in accordance with the libFirm Commercial License. + * Agreement provided with the Software. + * + * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE + * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE. */ /** - * @file cfopt.h - * - * Control flow optimization. - * - * @author Goetz Lindenmaier + * @file + * @brief Control flow optimizations. + * @author Goetz Lindenmaier, Michael Beck, Sebastian Hack + * @version $Id$ */ -#ifndef _CFOPT_H_ -#define _CFOPT_H_ +#ifndef FIRM_OPT_CFOPT_H +#define FIRM_OPT_CFOPT_H #include "irgraph.h" @@ -26,9 +33,9 @@ * Removes empty blocks doing if simplifications and loop simplifications. * 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. + * and propagates dead control flow by calling equivalent_node(). * Independent of compiler flag it removes Tuples from cf edges, - * Bad predecessors form Blocks and Phis, and unnecessary predecessors of End. + * Bad predecessors from Blocks and Phis, and unnecessary predecessors of End. * * @bug So far destroys backedge information. * @bug Chokes on Id nodes if called in a certain order with other @@ -37,4 +44,4 @@ */ void optimize_cf(ir_graph *irg); -#endif /* _CFOPT_H_ */ +#endif /* FIRM_OPT_CFOPT_H */