+/*
+ * 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.
+ */
-#ifndef _BEUTIL_H
-#define _BEUTIL_H
+/**
+ * @file
+ * @brief Contains some useful function for the backend.
+ * @author Sebastian Hack
+ * @version $Id$
+ */
+#ifndef FIRM_BE_BEUTIL_H
+#define FIRM_BE_BEUTIL_H
#include "firm_config.h"
#include <stdio.h>
+#include "firm_types.h"
#include "pset.h"
-#include "irnode.h"
-#include "bearch.h"
+
+#include "bearch_t.h"
+
+/* iterate over a list of ir_nodes linked by link field */
+#define foreach_linked_irns(head, iter) for ((iter) = (head); (iter); (iter) = get_irn_link((iter)))
/**
* Get an empty set.
*/
pset *be_empty_set(void);
-
/** Undefine this to disable debugging mode. */
#define BE_DEBUG 1
* @return The block of the node, or the node itself, if the node is a
* block.
*/
-static INLINE const ir_node *get_block(const ir_node *irn)
+static INLINE ir_node *get_block(ir_node *irn)
+{
+ return is_Block(irn) ? irn : get_nodes_block(irn);
+}
+
+static INLINE const ir_node *get_block_const(const ir_node *irn)
{
return is_Block(irn) ? irn : get_nodes_block(irn);
}
int i, n;
/* If the node produces a data value, return immediately. */
- if(is_firm_be_mode(get_irn_mode(irn)))
+ if (is_firm_be_mode(get_irn_mode(irn)))
return 1;
/* else check, if it takes a data value, if that is so, return */
for(i = 0, n = get_irn_arity(irn); i < n; ++i) {
ir_node *op = get_irn_n(irn, i);
- if(is_firm_be_mode(get_irn_mode(op)))
+ if (is_firm_be_mode(get_irn_mode(op)))
return 1;
}
return 0;
}
-/**
- * Make each constant local to its use.
- * This duplicates all constants in order to simulate a realistic
- * register pressure.
- * @param irg The graph.
- */
-void localize_consts(ir_graph *irg);
-
/**
* Dump a vcg graph containing the controlflow graph, the schedule and
* allocated registers.
void be_clear_links(ir_graph *irg);
-static INLINE FILE *ffopen(const char *base, const char *ext, const char *mode) {
- FILE *out;
- char buf[1024];
-
- snprintf(buf, sizeof(buf), "%s.%s", base, ext);
- if (! (out = fopen(buf, mode))) {
- fprintf(stderr, "Cannot open file %s in mode %s\n", buf, mode);
- return NULL;
- }
- return out;
-}
-
/**
* Dump a graph with schedule edges.
* @param irg The graph.
*/
void dump_ir_block_graph_sched(ir_graph *irg, const char *suffix);
+/**
+ * Dump a extended block graph with schedule edges.
+ * @param irg The graph.
+ * @param suffix A suffix to its file name.
+ */
+void dump_ir_extblock_graph_sched(ir_graph *irg, const char *suffix);
+
/**
* Dumps a graph and numbers all dumps.
* @param irg The graph
*/
void be_dump(ir_graph *irg, const char *suffix, void (*dumper)(ir_graph *, const char *));
+/**
+ * Returns the number of reachable nodes in an irg.
+ * @param irg The irg.
+ * @return The number of reachable nodes.
+ */
+unsigned get_num_reachable_nodes(ir_graph *irg);
-#endif /* _BEUTIL_H */
+/**
+ * Sets all node inputs to BAD node.
+ * @param irn The node to be killed.
+ */
+void be_kill_node(ir_node *irn);
/**
- * Search for an irn in @p accept.
- * The search is started at @p start_point_exclusive and continues upwards the dom-tree
- * @return The first node out of accept if found. Else NULL is returned.
+ * Gets the Proj with number pn from irn.
*/
-ir_node *dom_up_search(pset *accept, ir_node *start_point_exclusive);
+ir_node *be_get_Proj_for_pn(const ir_node *irn, long pn);
+
+/**
+ * Opens a file named base.ext with the mode mode.
+ */
+FILE *be_ffopen(const char *base, const char *ext, const char *mode);
+
+#endif /* FIRM_BE_BEUTIL_H */