+/*
+ * 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.
+ */
+
+/**
+ * @file
+ * @brief higher level abstraction for the creation of spill and reload
+ * instructions and rematerialisation of values.
+ * @author Daniel Grund, Sebastian Hack, Matthias Braun
+ * @date 29.09.2005
+ * @version $Id$
+ */
+#ifndef FIRM_BE_BESPILL_H
+#define FIRM_BE_BESPILL_H
+
+#include "firm_types.h"
+#include "debug.h"
+
+#include "bearch.h"
+#include "beirg.h"
+
+typedef struct spill_env_t spill_env_t;
+
+/**
+ * Creates a new spill environment.
+ */
+spill_env_t *be_new_spill_env(be_irg_t *birg);
+
+/**
+ * Deletes a spill environment.
+ */
+void be_delete_spill_env(spill_env_t *senv);
+
+/**
+ * Return the last control flow node of a block.
+ */
+ir_node *be_get_end_of_block_insertion_point(const ir_node *block);
+
+/**
+ * Marks a point until which a node must be spilled.
+ */
+void be_add_spill(spill_env_t *senv, ir_node *to_spill, ir_node *after);
+
+/**
+ * Inserts a new entry into the list of reloads to place (the real nodes will
+ * be created when be_insert_spills_reloads is run). You don't have to
+ * explicitly create spill nodes, they will be created automatically after
+ * the definition of a value as soon as a reload is created. (we should add a
+ * possibility for explicit spill placement in the future)
+ *
+ * @param senv The spill environment
+ * @param to_spill The node which is about to be spilled
+ * @param before The node before the reload should be added
+ * @param reload_cls The register class the reloaded value will be put into
+ * @param allow_remat Set to 1 if the node may be rematerialized instead of
+ * reloaded
+ */
+void be_add_reload(spill_env_t *senv, ir_node *to_spill, ir_node *before,
+ const arch_register_class_t *reload_cls, int allow_remat);
+
+void be_add_reload2(spill_env_t *senv, ir_node *to_spill, ir_node *before, ir_node *can_spill_after,
+ const arch_register_class_t *reload_cls, int allow_remat);
+
+/**
+ * Add a reload at the end of a block.
+ * Similar to be_add_reload_on_edge().
+ */
+void be_add_reload_at_end(spill_env_t *env, ir_node *to_spill, const ir_node *block,
+ const arch_register_class_t *reload_cls,
+ int allow_remat);
+