22ea9ec0e8
* alias.c (component_uses_parent_alias_set): Constify. * alias.h (component_uses_parent_alias_set): Likewise. * cfgrtl.c (print_rtl_with_bb): Likewise. * double-int.c (tree_to_double_int, double_int_fits_to_tree_p, mpz_get_double_int): Likewise. * double-int.h (double_int_fits_to_tree_p, tree_to_double_int, mpz_get_double_int): Likewise. * expr.c (is_aligning_offset, undefined_operand_subword_p, mostly_zeros_p, all_zeros_p, safe_from_p, is_aligning_offset): Likewise. * expr.h (safe_from_p): Likewise. * gimple-low.c (try_catch_may_fallthru, block_may_fallthru): Likewise. * gimplify.c (should_carry_locus_p, zero_sized_field_decl, zero_sized_type, goa_lhs_expr_p): Likewise. * omp-low.c (is_variable_sized, use_pointer_for_field): Likewise. * rtl.h (print_rtl_with_bb): Likewise. * sched-vis.c (print_exp, print_value, print_pattern): Likewise. * tree-cfg.c (const_first_stmt, const_last_stmt): New. * tree-flow-inline.h (bb_stmt_list): Constify. (cbsi_start, cbsi_last, cbsi_end_p, cbsi_next, cbsi_prev, cbsi_stmt): New. * tree-flow.h (const_block_stmt_iterator, cbsi_start, cbsi_last, const_first_stmt, const_last_stmt): New. (block_may_fallthru, empty_block_p): Constify. * tree-iterator.c (EXPR_FIRST_BODY, EXPR_LAST_BODY, EXPR_ONLY_BODY): New. (expr_first, expr_last, expr_only): Use macro for body. (const_expr_first, const_expr_last, const_expr_only): New. * tree-iterator.h (const_tree_stmt_iterator, ctsi_start, ctsi_last, ctsi_end_p, ctsi_one_before_end_p, ctsi_next, ctsi_prev, ctsi_stmt): New. * tree-scalar-evolution.c (get_loop_exit_condition): Constify. * tree-scalar-evolution.h (get_loop_exit_condition): Likewise. * tree-ssa-loop-niter.c (loop_only_exit_p, derive_constant_upper_bound): Likewise. * tree-ssa-phiopt.c (empty_block_p): Likewise. * tree-ssa-threadupdate.c (redirection_block_p): Likewise. * tree-vectorizer.c (slpeel_can_duplicate_loop_p): Likewise. * tree-vectorizer.h (slpeel_can_duplicate_loop_p): Likewise. * tree-vrp.c (vrp_bitmap_equal_p): Likewise. * tree.c (get_type_static_bounds): Likewise. * tree.h (const_expr_first, const_expr_last, const_expr_only): New. (get_type_static_bounds): Constify. From-SVN: r127483
49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
/* Scalar evolution detector.
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Copyright (C) 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
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Contributed by Sebastian Pop <s.pop@laposte.net>
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#ifndef GCC_TREE_SCALAR_EVOLUTION_H
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#define GCC_TREE_SCALAR_EVOLUTION_H
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extern tree number_of_latch_executions (struct loop *);
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extern tree number_of_exit_cond_executions (struct loop *);
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extern tree get_loop_exit_condition (const struct loop *);
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extern void scev_initialize (void);
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extern void scev_reset (void);
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extern void scev_finalize (void);
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extern tree analyze_scalar_evolution (struct loop *, tree);
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extern tree instantiate_parameters (struct loop *, tree);
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extern tree resolve_mixers (struct loop *, tree);
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extern void gather_stats_on_scev_database (void);
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extern void scev_analysis (void);
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unsigned int scev_const_prop (void);
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extern bool simple_iv (struct loop *, tree, tree, affine_iv *, bool);
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/* Returns the loop of the polynomial chrec CHREC. */
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static inline struct loop *
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get_chrec_loop (const_tree chrec)
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{
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return get_loop (CHREC_VARIABLE (chrec));
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}
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#endif /* GCC_TREE_SCALAR_EVOLUTION_H */
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