X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbeutil.h;h=0dcd29bfe676d585bc21d29887e739bca6a19f0b;hb=1feecdf96eadc9bfd6e94b245eb38e0009a80c02;hp=15dcebd31959ffe98922aad302be59760e533fb8;hpb=111503924bac361d3db429f4bdd30532165a1652;p=libfirm

diff --git a/ir/be/beutil.h b/ir/be/beutil.h
index 15dcebd31..0dcd29bfe 100644
--- a/ir/be/beutil.h
+++ b/ir/be/beutil.h
@@ -1,14 +1,79 @@
+/*
+ * 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.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);
+}
 
 /**
  * Check, if a node produces or consumes a data value.
@@ -18,18 +83,18 @@
  * @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 (mode_is_data(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 (mode_is_data(get_irn_mode(op)))
 			return 1;
 	}
 
@@ -38,19 +103,61 @@ static INLINE int is_data_node(const ir_node *irn)
 }
 
 /**
- * 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 localize_consts(ir_graph *irg);
+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.
+ */
+ir_node *be_get_Proj_for_pn(const ir_node *irn, long pn);
+
+/**
+ * Returns an array (an ARR_F) of the programs blocks in reverse postorder
+ * (note: caller has to free the memory with DEL_ARR_F after use;
+ *  of course you can use ARR_LEN on the array too.)
+ */
+ir_node **be_get_cfgpostorder(ir_graph *irg);
+
+/**
+ * Opens a file named base.ext with the mode mode.
+ */
+FILE *be_ffopen(const char *base, const char *ext, const char *mode);
 
 /**
- * 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.
+ * convenience function to return the first successor block
+ * (it is often known that there is exactly 1 successor anyway)
  */
-void dump_allocated_irg(ir_graph *irg, char *suffix);
+ir_node *get_first_block_succ(const ir_node *block);
 
 #endif