/*
- * Project: libFIRM
- * File name: ir/ir/iredges.c
- * Purpose: Always available outs.
- * Author: Sebastian Hack
- * Modified by: Michael Beck, Andreas Schoesser
- * Created: 14.1.2005
- * CVS-ID: $Id$
- * Copyright: (c) 1998-2006 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.
*/
/**
- * Always available outs.
- * @author Sebastian Hack
- * @date 14.1.2005
+ * @file
+ * @brief Always available outs.
+ * @author Sebastian Hack, Michael Beck, Andreas Schoesser
+ * @date 14.1.2005
+ * @version $Id$
+ * @summary
+ * This are out-edges (also called def-use edges) that are dynamically
+ * updated as the graph changes.
*/
-
#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#ifdef HAVE_ALLOCA_H
-#include <alloca.h>
-#endif
-#ifdef HAVE_MALLOC_H
-#include <malloc.h>
+#include "config.h"
#endif
#include "irnode_t.h"
#include "debug.h"
#include "set.h"
#include "bitset.h"
+#include "xmalloc.h"
/**
-* A function that allows for setting an edge.
-* This abstraction is necessary since different edge kind have
-* different methods of setting edges.
-*/
+ * A function that allows for setting an edge.
+ * This abstraction is necessary since different edge kind have
+ * different methods of setting edges.
+ */
typedef void (set_edge_func_t)(ir_node *src, int pos, ir_node *tgt);
typedef int (get_edge_src_arity_func_t)(const ir_node *src);
typedef ir_node *(get_edge_src_n_func_t)(const ir_node *src, int pos);
/**
-* Additional data for an edge kind.
-*/
+ * Additional data for an edge kind.
+ */
typedef struct {
const char *name;
set_edge_func_t *set_edge;
static int get_zero(const ir_node *irn)
{
+ (void) irn;
return 0;
}
{
const ir_edge_t *e1 = p1;
const ir_edge_t *e2 = p2;
+ (void) len;
if(e1->src != e2->src)
return 1;
fprintf(stderr, "- at list entry %d\n", num);
if (edge->invalid)
fprintf(stderr, "- edge(%ld) is invalid\n", edge_get_id(edge));
- if (edge->src);
+ if (edge->src)
ir_fprintf(stderr, "- edge(%ld) %+F(%d)\n", edge_get_id(edge), edge->src, edge->pos);
err = 1;
break;
edge_change_cnt(tgt, kind, +1);
} /* else */
+#ifndef DEBUG_libfirm
/* verify list heads */
if (edges_dbg) {
if (tgt)
if (old_tgt)
vrfy_list_head(old_tgt, kind);
}
+#endif
DBG((dbg, LEVEL_5, "announce out edge: %+F %d-> %+F(%+F): %s\n", src, pos, tgt, old_tgt, msg));
}
info->activated = 1;
edges_init_graph_kind(irg, kind);
- //irg_walk_graph(irg, init_lh_walker, build_edges_walker, &w);
- inc_irg_visited(irg);
irg_walk_anchors(irg, init_lh_walker, build_edges_walker, &w);
visit_all_identities(irg, visitor, &w);
}
static void count_user(ir_node *irn, void *env) {
int i;
int first;
+ (void) env;
first = get_irn_first(irn);
for (i = get_irn_arity(irn) - 1; i >= first; --i) {
ir_fprintf(stderr, "Edge Verifier: %+F reachable by %d node(s), but the list contains %d edge(s)\n",
irn, ref_cnt, list_cnt);
- // Matze: buggy if a node has multiple ins pointing at irn
+ /* Matze: buggy if a node has multiple ins pointing at irn */
#if 0
list_for_each(pos, head) {
ir_edge_t *edge = list_entry(pos, ir_edge_t, list);
struct build_walker w;
int problem_found = 0;
- if (! edges_dbg)
- return 0;
-
/* verify normal edges only */
problem_found = edges_verify_kind(irg, EDGE_KIND_NORMAL);
w.problem_found = 0;
/* verify counter */
- inc_irg_visited(irg);
irg_walk_anchors(irg, clear_links, count_user, &w);
- inc_irg_visited(irg);
irg_walk_anchors(irg, NULL, verify_edge_counter, &w);
return problem_found ? 1 : w.problem_found;