forgto to add that

[r14241]

diff --git a/ir/opt/strength_red_t.h b/ir/opt/strength_red_t.h
new file mode 100644 (file)
index 0000000..b49dd93
--- /dev/null
+++ b/ir/opt/strength_red_t.h
@@ -0,0 +1,66 @@
+/*
+ * 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.
+ */
+
+/**
+ *
+ * @file strength_red.h
+ *
+ * Project:     libFIRM
+ * File name:   ir/opt/strenth_red.h
+ * Purpose:     Strength reduction.
+ * Author:      Beyhan Veliev
+ * Modified by:
+ * Created:     22.8.2004
+ * CVS-ID:      $Id: strength_red.h 13510 2007-04-27 09:22:22Z chriswue $
+ * Copyright:   (c) 2004 Universität Karlsruhe
+ */
+#ifndef STRENGTH_RED_T_H
+#define STRENGTH_RED_T_H
+
+#include "irnode.h"
+#include "irgraph.h"
+#include "irloop.h"
+
+/* The information needed for an induction variable */
+typedef struct _induct_var_info {
+  ir_op   *operation_code;  /**< The opcode of "op" */
+  ir_node *increment;       /**< The value which increase or decrease the iteration variable. */
+  ir_node *init;            /**< The start value of the iteration variable. */
+  ir_node *op;              /**< The operation which increase or decrease the iteration variable. */
+  ir_node *itervar_phi;     /**< The iteration variable. */
+  ir_node *new_phi;         /**< The new iteration variable. */
+  ir_node *new_increment;   /**< The new increment which replace the old one. */
+  ir_node *new_init;        /**< The new init value of the iteration variable. */
+  ir_node *new_op;          /**< The new operation that we need after replace. */
+  ir_node *new_cmp;         /**< The new Cmp which replaces the old one. */
+  ir_node *cmp;             /**< The Cmp which breaks the loop and compares the iteration variable with a constant. */
+  ir_node *cmp_const;       /**< The other operand of Cmp. */
+  ir_node *cmp_init_block;  /**< The initial block of the Cmp. */
+  ir_node *reducible_node;  /**< The reducible nodes are save here. */
+  int     is_reducible;     /**< To save information if anything is reducible. */
+  int     phi_pred;         /**< To save the value of iteration variable predecessors. */
+  int     init_pred_pos;    /**< To save the position of iteration variable start value. */
+  int     op_pred_pos;      /**< To save the backedge of iteration variable. */
+  ir_loop *l_itervar_phi;   /**< The loop of the induction variable */
+} induct_var_info;
+
+/** If an ir_node is an induction variable return info else return NULL. */
+induct_var_info *is_induction_variable(induct_var_info *info);
+
+#endif