Mercurial > hg > CbC > CbC_gcc
comparison gcc/ipa-ref.h @ 63:b7f97abdc517 gcc-4.6-20100522
update gcc from gcc-4.5.0 to gcc-4.6
author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
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date | Mon, 24 May 2010 12:47:05 +0900 |
parents | |
children | f6334be47118 |
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56:3c8a44c06a95 | 63:b7f97abdc517 |
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1 /* IPA reference lists. | |
2 Copyright (C) 2010 | |
3 Free Software Foundation, Inc. | |
4 Contributed by Jan Hubicka | |
5 | |
6 This file is part of GCC. | |
7 | |
8 GCC is free software; you can redistribute it and/or modify it under | |
9 the terms of the GNU General Public License as published by the Free | |
10 Software Foundation; either version 3, or (at your option) any later | |
11 version. | |
12 | |
13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 for more details. | |
17 | |
18 You should have received a copy of the GNU General Public License | |
19 along with GCC; see the file COPYING3. If not see | |
20 <http://www.gnu.org/licenses/>. */ | |
21 | |
22 struct cgraph_node; | |
23 struct varpool_node; | |
24 | |
25 /* How the reference is done. */ | |
26 enum GTY(()) ipa_ref_use | |
27 { | |
28 IPA_REF_LOAD, | |
29 IPA_REF_STORE, | |
30 IPA_REF_ADDR | |
31 }; | |
32 | |
33 /* Type of refering or refered type. */ | |
34 enum GTY(()) ipa_ref_type | |
35 { | |
36 IPA_REF_CGRAPH, | |
37 IPA_REF_VARPOOL | |
38 }; | |
39 | |
40 /* We can have references spanning both callgraph and varpool, | |
41 so all pointers needs to be of both types. */ | |
42 union GTY(()) ipa_ref_ptr_u | |
43 { | |
44 struct cgraph_node * GTY((tag ("IPA_REF_CGRAPH"))) cgraph_node; | |
45 struct varpool_node * GTY((tag ("IPA_REF_VARPOOL"))) varpool_node; | |
46 }; | |
47 | |
48 /* Record of reference in callgraph or varpool. */ | |
49 struct GTY(()) ipa_ref | |
50 { | |
51 union ipa_ref_ptr_u GTY ((desc ("%1.refering_type"))) refering; | |
52 union ipa_ref_ptr_u GTY ((desc ("%1.refered_type"))) refered; | |
53 gimple stmt; | |
54 unsigned int refered_index; | |
55 ENUM_BITFIELD (ipa_ref_type) refering_type:1; | |
56 ENUM_BITFIELD (ipa_ref_type) refered_type:1; | |
57 ENUM_BITFIELD (ipa_ref_use) use:2; | |
58 }; | |
59 | |
60 typedef struct ipa_ref ipa_ref_t; | |
61 typedef struct ipa_ref *ipa_ref_ptr; | |
62 | |
63 DEF_VEC_O(ipa_ref_t); | |
64 DEF_VEC_ALLOC_O(ipa_ref_t,gc); | |
65 DEF_VEC_P(ipa_ref_ptr); | |
66 DEF_VEC_ALLOC_P(ipa_ref_ptr,heap); | |
67 | |
68 /* List of references. This is stored in both callgraph and varpool nodes. */ | |
69 struct GTY(()) ipa_ref_list | |
70 { | |
71 /* Store actual references in references vector. */ | |
72 VEC(ipa_ref_t,gc) *references; | |
73 /* Refering is vector of pointers to references. It must not live in GGC space | |
74 or GGC will try to mark middle of references vectors. */ | |
75 VEC(ipa_ref_ptr,heap) * GTY((skip)) refering; | |
76 }; | |
77 | |
78 struct ipa_ref * ipa_record_reference (struct cgraph_node *, | |
79 struct varpool_node *, | |
80 struct cgraph_node *, | |
81 struct varpool_node *, | |
82 enum ipa_ref_use, gimple); | |
83 | |
84 void ipa_remove_reference (struct ipa_ref *); | |
85 void ipa_remove_all_references (struct ipa_ref_list *); | |
86 void ipa_remove_all_refering (struct ipa_ref_list *); | |
87 void ipa_dump_references (FILE *, struct ipa_ref_list *); | |
88 void ipa_dump_refering (FILE *, struct ipa_ref_list *); | |
89 void ipa_clone_references (struct cgraph_node *, struct varpool_node *, struct ipa_ref_list *); | |
90 void ipa_clone_refering (struct cgraph_node *, struct varpool_node *, struct ipa_ref_list *); | |
91 |