Mercurial > hg > CbC > CbC_gcc
annotate gcc/tree-scalar-evolution.h @ 158:494b0b89df80 default tip
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| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Mon, 25 May 2020 18:13:55 +0900 |
| parents | 1830386684a0 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* Scalar evolution detector. |
| 145 | 2 Copyright (C) 2003-2020 Free Software Foundation, Inc. |
| 0 | 3 Contributed by Sebastian Pop <s.pop@laposte.net> |
| 4 | |
| 5 This file is part of GCC. | |
| 6 | |
| 7 GCC is free software; you can redistribute it and/or modify it under | |
| 8 the terms of the GNU General Public License as published by the Free | |
| 9 Software Foundation; either version 3, or (at your option) any later | |
| 10 version. | |
| 11 | |
| 12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 13 WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 18 along with GCC; see the file COPYING3. If not see | |
| 19 <http://www.gnu.org/licenses/>. */ | |
| 20 | |
| 21 #ifndef GCC_TREE_SCALAR_EVOLUTION_H | |
| 22 #define GCC_TREE_SCALAR_EVOLUTION_H | |
| 23 | |
| 145 | 24 extern tree number_of_latch_executions (class loop *); |
| 25 extern gcond *get_loop_exit_condition (const class loop *); | |
| 0 | 26 |
| 27 extern void scev_initialize (void); | |
| 111 | 28 extern bool scev_initialized_p (void); |
| 0 | 29 extern void scev_reset (void); |
|
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b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
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30 extern void scev_reset_htab (void); |
| 0 | 31 extern void scev_finalize (void); |
| 145 | 32 extern tree analyze_scalar_evolution (class loop *, tree); |
| 33 extern tree instantiate_scev (edge, class loop *, tree); | |
| 34 extern tree resolve_mixers (class loop *, tree, bool *); | |
| 0 | 35 extern void gather_stats_on_scev_database (void); |
| 145 | 36 extern bool final_value_replacement_loop (class loop *); |
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77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
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37 extern unsigned int scev_const_prop (void); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
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38 extern bool expression_expensive_p (tree); |
| 145 | 39 extern bool simple_iv_with_niters (class loop *, class loop *, tree, |
| 111 | 40 struct affine_iv *, tree *, bool); |
| 145 | 41 extern bool simple_iv (class loop *, class loop *, tree, struct affine_iv *, |
| 111 | 42 bool); |
| 145 | 43 extern bool iv_can_overflow_p (class loop *, tree, tree, tree); |
| 44 extern tree compute_overall_effect_of_inner_loop (class loop *, tree); | |
| 0 | 45 |
| 111 | 46 /* Returns the basic block preceding LOOP, or the CFG entry block when |
| 47 the loop is function's body. */ | |
| 0 | 48 |
| 49 static inline basic_block | |
| 50 block_before_loop (loop_p loop) | |
| 51 { | |
| 52 edge preheader = loop_preheader_edge (loop); | |
| 111 | 53 return (preheader ? preheader->src : ENTRY_BLOCK_PTR_FOR_FN (cfun)); |
| 0 | 54 } |
| 55 | |
| 56 /* Analyze all the parameters of the chrec that were left under a | |
| 57 symbolic form. LOOP is the loop in which symbolic names have to | |
| 58 be analyzed and instantiated. */ | |
| 59 | |
| 60 static inline tree | |
| 145 | 61 instantiate_parameters (class loop *loop, tree chrec) |
| 0 | 62 { |
| 111 | 63 return instantiate_scev (loop_preheader_edge (loop), loop, chrec); |
| 0 | 64 } |
| 65 | |
| 66 /* Returns the loop of the polynomial chrec CHREC. */ | |
| 67 | |
| 145 | 68 static inline class loop * |
| 0 | 69 get_chrec_loop (const_tree chrec) |
| 70 { | |
| 111 | 71 return get_loop (cfun, CHREC_VARIABLE (chrec)); |
| 0 | 72 } |
| 73 | |
| 74 #endif /* GCC_TREE_SCALAR_EVOLUTION_H */ |