0fc822d0f9
2013-04-30 Richard Biener <rguenther@suse.de> * function.h (loops_for_fn): New inline function. (set_loops_for_fn): Likewise. * cfgloop.h (place_new_loop): Add struct function parameter. (get_loop): Likewise. (get_loops): Likewise. (number_of_loops): Likewise. (fel_next): Adjust. (fel_init): Likewise. * cfg.c (get_loop_copy): Adjust. * cfgloop.c (flow_loops_dump): Likewise. (record_loop_exits): Likewise. (verify_loop_structure): Likewise. * cfgloopanal.c (mark_irreducible_loops): Likewise. (estimate_reg_pressure_cost): Likewise. (mark_loop_exit_edges): Likewise. * cfgloopmanip.c (place_new_loop): Likewise. (add_loop): Likewise. (duplicate_loop): Likewise. * graph.c (draw_cfg_nodes): Likewise. * graphite-clast-to-gimple.c (translate_clast_user): Likewise. * graphite-sese-to-poly.c (build_scop_scattering): Likewise. (extract_affine_chrec): Likewise. (build_scop_iteration_domain): Likewise. * graphite.c (graphite_initialize): Likewise. * ira-build.c (create_loop_tree_nodes): Likewise. (more_one_region_p): Likewise. (rebuild_regno_allocno_maps): Likewise. (mark_loops_for_removal): Likewise. (mark_all_loops_for_removal): Likewise. (remove_unnecessary_regions): Likewise. (ira_build): Likewise. * ira-emit.c (setup_entered_from_non_parent_p): Likewise. * loop-init.c (fix_loop_structure): Likewise. (gate_rtl_move_loop_invariants): Likewise. (gate_rtl_unswitch): Likewise. (gate_rtl_unroll_and_peel_loops): Likewise. (rtl_doloop): Likewise. * lto-streamer-in.c (input_cfg): Likewise. * lto-streamer-out.c (output_cfg): Likewise. * modulo-sched.c (sms_schedule): Likewise. * predict.c (tree_estimate_probability): Likewise. (tree_estimate_probability_driver): Likewise. (estimate_loops): Likewise. * tree-cfg.c (fixup_loop_arrays_after_move): Likewise. (move_sese_region_to_fn): Likewise. (debug_loop_num): Likewise. * tree-chrec.c (chrec_evaluate): Likewise. (hide_evolution_in_other_loops_than_loop): Likewise. (chrec_component_in_loop_num): Likewise. (reset_evolution_in_loop): Likewise. (evolution_function_is_invariant_rec_p): Likewise. * tree-if-conv.c (main_tree_if_conversion): Likewise. * tree-inline.c (copy_loops): Likewise. (copy_cfg_body): Likewise. (tree_function_versioning): Likewise. * tree-loop-distribution.c (rdg_flag_loop_exits): Likewise. * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop): Likewise. (add_to_evolution_1): Likewise. (scev_const_prop): Likewise. * tree-scalar-evolution.h (get_chrec_loop): Likewise. * tree-ssa-loop-ch.c (copy_loop_headers): Likewise. * tree-ssa-loop-im.c (analyze_memory_references): Likewise. (tree_ssa_lim_initialize): Likewise. * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa): Likewise. (verify_loop_closed_ssa): Likewise. * tree-ssa-loop.c (tree_ssa_loop_init): Likewise. (tree_ssa_loop_im): Likewise. (tree_ssa_loop_unswitch): Likewise. (tree_vectorize): Likewise. (check_data_deps): Likewise. (tree_ssa_loop_ivcanon): Likewise. (tree_ssa_loop_bounds): Likewise. (tree_complete_unroll): Likewise. (tree_complete_unroll_inner): Likewise. (tree_parallelize_loops): Likewise. (tree_ssa_loop_prefetch): Likewise. (tree_ssa_loop_ivopts): Likewise. * tree-ssa.c (execute_update_addresses_taken): Liekwise. * tree-vectorizer.c (vectorize_loops): Likewise. From-SVN: r198441
71 lines
2.4 KiB
C
71 lines
2.4 KiB
C
/* Scalar evolution detector.
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Copyright (C) 2003-2013 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 gimple get_loop_exit_condition (const struct loop *);
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extern void scev_initialize (void);
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extern bool scev_initialized_p (void);
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extern void scev_reset (void);
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extern void scev_reset_htab (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_scev (basic_block, 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 unsigned int scev_const_prop (void);
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extern bool expression_expensive_p (tree);
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extern bool simple_iv (struct loop *, struct loop *, tree, affine_iv *, bool);
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extern tree compute_overall_effect_of_inner_loop (struct loop *, tree);
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/* Returns the basic block preceding LOOP or ENTRY_BLOCK_PTR when the
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loop is function's body. */
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static inline basic_block
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block_before_loop (loop_p loop)
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{
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edge preheader = loop_preheader_edge (loop);
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return (preheader ? preheader->src : ENTRY_BLOCK_PTR);
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}
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/* Analyze all the parameters of the chrec that were left under a
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symbolic form. LOOP is the loop in which symbolic names have to
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be analyzed and instantiated. */
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static inline tree
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instantiate_parameters (struct loop *loop, tree chrec)
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{
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return instantiate_scev (block_before_loop (loop), loop, chrec);
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}
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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 (cfun, CHREC_VARIABLE (chrec));
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}
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#endif /* GCC_TREE_SCALAR_EVOLUTION_H */
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