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diff --git a/lib/gcc/arm-none-eabi/13.2.1/plugin/include/tree-scalar-evolution.h b/lib/gcc/arm-none-eabi/13.2.1/plugin/include/tree-scalar-evolution.h
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+/* Scalar evolution detector.
+ Copyright (C) 2003-2023 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 3, 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 COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+
+#ifndef GCC_TREE_SCALAR_EVOLUTION_H
+#define GCC_TREE_SCALAR_EVOLUTION_H
+
+extern tree number_of_latch_executions (class loop *);
+extern gcond *get_loop_exit_condition (const class loop *);
+
+extern void scev_initialize (void);
+extern bool scev_initialized_p (void);
+extern void scev_reset (void);
+extern void scev_reset_htab (void);
+extern void scev_finalize (void);
+extern tree analyze_scalar_evolution (class loop *, tree);
+extern tree instantiate_scev (edge, class loop *, tree);
+extern tree resolve_mixers (class loop *, tree, bool *);
+extern void gather_stats_on_scev_database (void);
+extern bool final_value_replacement_loop (class loop *);
+extern unsigned int scev_const_prop (void);
+extern bool expression_expensive_p (tree);
+extern bool simple_iv_with_niters (class loop *, class loop *, tree,
+ struct affine_iv *, tree *, bool);
+extern bool simple_iv (class loop *, class loop *, tree, struct affine_iv *,
+ bool);
+extern bool iv_can_overflow_p (class loop *, tree, tree, tree);
+extern tree compute_overall_effect_of_inner_loop (class loop *, tree);
+
+/* Returns the basic block preceding LOOP, or the CFG entry block when
+ the loop is function's body. */
+
+inline basic_block
+block_before_loop (loop_p loop)
+{
+ edge preheader = loop_preheader_edge (loop);
+ return (preheader ? preheader->src : ENTRY_BLOCK_PTR_FOR_FN (cfun));
+}
+
+/* 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. */
+
+inline tree
+instantiate_parameters (class loop *loop, tree chrec)
+{
+ return instantiate_scev (loop_preheader_edge (loop), loop, chrec);
+}
+
+/* Returns the loop of the polynomial chrec CHREC. */
+
+inline class loop *
+get_chrec_loop (const_tree chrec)
+{
+ return get_loop (cfun, CHREC_VARIABLE (chrec));
+}
+
+#endif /* GCC_TREE_SCALAR_EVOLUTION_H */