#ifndef GCC_TREE_SCALAR_EVOLUTION_H
#define GCC_TREE_SCALAR_EVOLUTION_H
+extern tree number_of_iterations_in_loop (struct loop *);
+extern tree get_loop_exit_condition (struct loop *);
+
+extern void scev_initialize (struct loops *loops);
+extern void scev_reset (void);
+extern void scev_finalize (void);
+extern tree analyze_scalar_evolution (struct loop *, tree);
extern tree instantiate_parameters (struct loop *, tree);
+extern void eliminate_redundant_checks (void);
+extern void gather_stats_on_scev_database (void);
+extern void scev_analysis (void);
extern bool simple_iv (struct loop *, tree, tree, tree *, tree *);
#endif /* GCC_TREE_SCALAR_EVOLUTION_H */