X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbedomfront.c;h=fec39d830a48a4809fb0100d694885c15b15d43d;hb=2799d7aec7b0f52d8f10ad5c7a88e31d4dbc8b1b;hp=0397d2af3614cd4df6a5df0f7b8508403415726a;hpb=ef989753ccf68e0e26accc92ea9674b5852f8c21;p=libfirm diff --git a/ir/be/bedomfront.c b/ir/be/bedomfront.c index 0397d2af3..fec39d830 100644 --- a/ir/be/bedomfront.c +++ b/ir/be/bedomfront.c @@ -1,16 +1,30 @@ +/* + * Copyright (C) 1995-2008 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 + * @brief Algorithms for computing normal and iterated dominance frontiers. * @author Sebastian Hack, Daniel Grund - * @date: 04.05.2005 + * @date 04.05.2005 * @version $Id$ - * Copyright: (c) Universitaet Karlsruhe - * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE. */ -#ifdef HAVE_CONFIG_H -#include -#endif - -#include "bedomfront.h" +#include "config.h" #include "obst.h" #include "pmap.h" @@ -19,6 +33,9 @@ #include "array.h" #include "irgraph.h" #include "iredges_t.h" +#include "irnodeset.h" + +#include "bedomfront.h" /** * The dominance frontier for a graph. @@ -36,7 +53,7 @@ struct _be_dom_front_info_t { * @param bl The block. * @return The immediate dominator of the block. */ -static INLINE +static inline ir_node *get_idom(ir_node *bl) { ir_node *idom = get_Block_idom(bl); @@ -96,7 +113,7 @@ ir_node **compute_df(ir_node *blk, be_dom_front_info_t *info) be_dom_front_info_t *be_compute_dominance_frontiers(ir_graph *irg) { - be_dom_front_info_t *info = xmalloc(sizeof(*info)); + be_dom_front_info_t *info = XMALLOC(be_dom_front_info_t); edges_assure(irg); obstack_init(&info->obst); @@ -121,6 +138,7 @@ ir_node **be_get_dominance_frontier(const be_dom_front_info_t *info, return pmap_get(info->df_map, block); } +#if 0 /** * Calculates the iterated dominance frontier of a set of blocks. * Also clears the link field of the returned blocks as a side effect @@ -136,20 +154,19 @@ void be_get_iterated_dominance_frontiers(const be_dom_front_info_t *domfronts, waitq_put(worklist, block); } - while(!pdeq_empty(worklist)) { - int i; - ir_node *block = waitq_get(worklist); - ir_node **domfront = be_get_dominance_frontier(domfronts, block); - int domfront_len = ARR_LEN(domfront); + while(! waitq_empty(worklist)) { + int i; + ir_node *block = waitq_get(worklist); + ir_node **domfront = be_get_dominance_frontier(domfronts, block); + int domfront_len = ARR_LEN(domfront); for (i = 0; i < domfront_len; ++i) { ir_node *y = domfront[i]; - if(!ir_nodeset_insert(blocks, y)) - continue; - - waitq_put(worklist, y); + if (ir_nodeset_insert(blocks, y)) + waitq_put(worklist, y); } } del_waitq(worklist); } +#endif