Mercurial > hg > CbC > CbC_gcc
annotate gcc/tree-scalar-evolution.h @ 60:bd49c42ec43e
remove unnecessary files
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 15 Feb 2010 17:39:45 +0900 |
parents | 77e2b8dfacca |
children | b7f97abdc517 |
rev | line source |
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0 | 1 /* Scalar evolution detector. |
55
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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2 Copyright (C) 2003, 2004, 2005, 2007, 2008, 2009 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 | |
24 extern tree number_of_latch_executions (struct loop *); | |
25 extern tree number_of_exit_cond_executions (struct loop *); | |
26 extern gimple get_loop_exit_condition (const struct loop *); | |
27 | |
28 extern void scev_initialize (void); | |
29 extern void scev_reset (void); | |
30 extern void scev_finalize (void); | |
31 extern tree analyze_scalar_evolution (struct loop *, tree); | |
32 extern tree instantiate_scev (basic_block, struct loop *, tree); | |
33 extern tree resolve_mixers (struct loop *, tree); | |
34 extern void gather_stats_on_scev_database (void); | |
35 extern void scev_analysis (void); | |
55
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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36 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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37 extern bool expression_expensive_p (tree); |
0 | 38 extern bool simple_iv (struct loop *, struct loop *, tree, affine_iv *, bool); |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
39 extern tree compute_overall_effect_of_inner_loop (struct loop *, tree); |
0 | 40 |
41 /* Returns the basic block preceding LOOP or ENTRY_BLOCK_PTR when the | |
42 loop is function's body. */ | |
43 | |
44 static inline basic_block | |
45 block_before_loop (loop_p loop) | |
46 { | |
47 edge preheader = loop_preheader_edge (loop); | |
48 return (preheader ? preheader->src : ENTRY_BLOCK_PTR); | |
49 } | |
50 | |
51 /* Analyze all the parameters of the chrec that were left under a | |
52 symbolic form. LOOP is the loop in which symbolic names have to | |
53 be analyzed and instantiated. */ | |
54 | |
55 static inline tree | |
56 instantiate_parameters (struct loop *loop, tree chrec) | |
57 { | |
58 return instantiate_scev (block_before_loop (loop), loop, chrec); | |
59 } | |
60 | |
61 /* Returns the loop of the polynomial chrec CHREC. */ | |
62 | |
63 static inline struct loop * | |
64 get_chrec_loop (const_tree chrec) | |
65 { | |
66 return get_loop (CHREC_VARIABLE (chrec)); | |
67 } | |
68 | |
69 #endif /* GCC_TREE_SCALAR_EVOLUTION_H */ |