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+/* Scalar evolution detector.
+ Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+ Contributed by Sebastian Pop <s.pop@laposte.net>
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING. If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA. */
+
+#include "config.h"
+#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
+#include "errors.h"
+#include "ggc.h"
+#include "tree.h"
+#include "rtl.h"
+#include "basic-block.h"
+#include "diagnostic.h"
+#include "tree-flow.h"
+#include "tree-dump.h"
+#include "timevar.h"
+#include "cfgloop.h"
+#include "tree-chrec.h"
+#include "tree-scalar-evolution.h"
+
+/* Analyze all the parameters of the chrec that were left under a
+ symbolic form. LOOP is the loop in which symbolic names have to
+ be analyzed and instantiated. */
+
+tree
+instantiate_parameters (struct loop *loop ATTRIBUTE_UNUSED,
+ tree chrec)
+{
+ /* Just a dummy definition for now. */
+ return chrec;
+}
+
+/* Checks whether OP behaves as a simple affine iv of LOOP in STMT and returns
+ its BASE and STEP if possible. */
+
+bool
+simple_iv (struct loop *loop ATTRIBUTE_UNUSED, tree stmt ATTRIBUTE_UNUSED,
+ tree op ATTRIBUTE_UNUSED, tree *base ATTRIBUTE_UNUSED,
+ tree *step ATTRIBUTE_UNUSED)
+{
+ /* Just a dummy definition for now. */
+ return false;
+}