X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbeutil.h;h=d25f2e4f9c797e8cae244e1a4a7faf7a30e6ab87;hb=39d4311ea8a4f1bd78d1e0282d77d71f7ef4efdb;hp=d1b1eb03a3e3edc65a53483495f5a6922ed1e1a4;hpb=f436f72951577e35b60e0ea1f2e6a536e4f479bb;p=libfirm

diff --git a/ir/be/beutil.h b/ir/be/beutil.h
index d1b1eb03a..d25f2e4f9 100644
--- a/ir/be/beutil.h
+++ b/ir/be/beutil.h
@@ -1,14 +1,42 @@
+/*
+ * 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.
+ */
 
-#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.
@@ -16,7 +44,6 @@
  */
 pset *be_empty_set(void);
 
-
 /** Undefine this to disable debugging mode. */
 #define BE_DEBUG 1
 
@@ -50,13 +77,13 @@ static INLINE int is_data_node(const ir_node *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;
 	}
 
@@ -64,14 +91,6 @@ static INLINE int is_data_node(const ir_node *irn)
 	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.
@@ -82,18 +101,6 @@ void dump_allocated_irg(arch_env_t *env, ir_graph *irg, char *suffix);
 
 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.
@@ -116,6 +123,19 @@ void dump_ir_extblock_graph_sched(ir_graph *irg, const char *suffix);
  */
 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);
+
+/**
+ * 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
@@ -123,4 +143,14 @@ void be_dump(ir_graph *irg, const char *suffix, void (*dumper)(ir_graph *, const
  */
 ir_node *dom_up_search(pset *accept, ir_node *start_point_exclusive);
 
-#endif /* _BEUTIL_H */
+/**
+ * Gets the Proj with number pn from irn.
+ */
+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 */