+/*
+ * 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 <stdio.h>
-#include "irnode.h"
-#include "config.h"
+#include "firm_types.h"
+#include "pset.h"
+
+#include "bearch_t.h"
+
+#ifdef _MSC_VER
+typedef __int64 long64;
+typedef unsigned __int64 ulong64;
+
+#define LL_FMT "i64"
+#define ULL_FMT "ui64"
+
+#else
+typedef long long long64;
+typedef unsigned long long ulong64;
+
+#define LL_FMT "ll"
+#define ULL_FMT "llu"
+
+#endif /* _MSC_VER */
+
+/* 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.
+ * This function always returns the same set.
+ */
+pset *be_empty_set(void);
/** Undefine this to disable debugging mode. */
#define BE_DEBUG 1
+/**
+ * Convenient block getter.
+ * Works also, if the given node is a block.
+ * @param irn The node.
+ * @return The block of the node, or the node itself, if the node is a
+ * block.
+ */
+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);
+}
+
+static inline int is_firm_be_mode(const ir_mode *mode)
+{
+ return mode_is_data(mode);
+}
+
/**
* Check, if a node produces or consumes a data value.
* If it does, it is significant for scheduling and register allocation.
* @param irn The node to check for.
* @return 1, if the node is a data node, 0 if not.
*/
-static INLINE int is_data_node(const ir_node *irn)
+static inline int is_data_node(const ir_node *irn)
{
int i, n;
/* If the node produces a data value, return immediately. */
- if(mode_is_datab(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(mode_is_datab(get_irn_mode(op)))
+ if (is_firm_be_mode(get_irn_mode(op)))
return 1;
}
}
/**
- * Make each constant local to its use.
- * This duplicates all constants in order to simulate a realistic
- * register pressure.
+ * Clears the link fields of all nodes of the given graph.
+ * @param irg The graph.
+ */
+void be_clear_links(ir_graph *irg);
+
+/**
+ * Dump a graph with schedule edges.
+ * @param irg The graph.
+ * @param suffix A suffix to its file name.
+ */
+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
+ * @param suffix A suffix to its file name.
+ * @param dumper The dump function
+ */
+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);
+
+/**
+ * Gets the Proj with number pn from irn.
*/
-void localize_consts(ir_graph *irg);
+ir_node *be_get_Proj_for_pn(const ir_node *irn, long pn);
/**
- * Dump a vcg graph containing the controlflow graph, the schedule and
- * allocated registers.
- * @param irg The irg. Note that scheduling, register allocation must
- * have been performed.
+ * Opens a file named base.ext with the mode mode.
*/
-void dump_allocated_irg(ir_graph *irg);
+FILE *be_ffopen(const char *base, const char *ext, const char *mode);
-#endif
+#endif /* FIRM_BE_BEUTIL_H */
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