1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
|
/* Language-dependent hooks for LTO.
Copyright 2009 Free Software Foundation, Inc.
Contributed by CodeSourcery, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "flags.h"
#include "tm.h"
#include "tree.h"
#include "expr.h"
#include "target.h"
#include "langhooks.h"
#include "langhooks-def.h"
#include "debug.h"
#include "lto-tree.h"
#include "lto.h"
#include "tree-inline.h"
#include "gimple.h"
#include "toplev.h"
static tree handle_noreturn_attribute (tree *, tree, tree, int, bool *);
static tree handle_const_attribute (tree *, tree, tree, int, bool *);
static tree handle_malloc_attribute (tree *, tree, tree, int, bool *);
static tree handle_pure_attribute (tree *, tree, tree, int, bool *);
static tree handle_novops_attribute (tree *, tree, tree, int, bool *);
static tree handle_nonnull_attribute (tree *, tree, tree, int, bool *);
static tree handle_nothrow_attribute (tree *, tree, tree, int, bool *);
static tree handle_sentinel_attribute (tree *, tree, tree, int, bool *);
static tree handle_type_generic_attribute (tree *, tree, tree, int, bool *);
static tree handle_format_attribute (tree *, tree, tree, int, bool *);
static tree handle_format_arg_attribute (tree *, tree, tree, int, bool *);
/* Table of machine-independent attributes supported in GIMPLE. */
const struct attribute_spec lto_attribute_table[] =
{
/* { name, min_len, max_len, decl_req, type_req, fn_type_req, handler } */
{ "noreturn", 0, 0, true, false, false,
handle_noreturn_attribute },
/* The same comments as for noreturn attributes apply to const ones. */
{ "const", 0, 0, true, false, false,
handle_const_attribute },
{ "malloc", 0, 0, true, false, false,
handle_malloc_attribute },
{ "pure", 0, 0, true, false, false,
handle_pure_attribute },
{ "no vops", 0, 0, true, false, false,
handle_novops_attribute },
{ "nonnull", 0, -1, false, true, true,
handle_nonnull_attribute },
{ "nothrow", 0, 0, true, false, false,
handle_nothrow_attribute },
{ "sentinel", 0, 1, false, true, true,
handle_sentinel_attribute },
{ "type generic", 0, 0, false, true, true,
handle_type_generic_attribute },
{ NULL, 0, 0, false, false, false, NULL }
};
/* Give the specifications for the format attributes, used by C and all
descendants. */
const struct attribute_spec lto_format_attribute_table[] =
{
/* { name, min_len, max_len, decl_req, type_req, fn_type_req, handler } */
{ "format", 3, 3, false, true, true,
handle_format_attribute },
{ "format_arg", 1, 1, false, true, true,
handle_format_arg_attribute },
{ NULL, 0, 0, false, false, false, NULL }
};
enum built_in_attribute
{
#define DEF_ATTR_NULL_TREE(ENUM) ENUM,
#define DEF_ATTR_INT(ENUM, VALUE) ENUM,
#define DEF_ATTR_IDENT(ENUM, STRING) ENUM,
#define DEF_ATTR_TREE_LIST(ENUM, PURPOSE, VALUE, CHAIN) ENUM,
#include "builtin-attrs.def"
#undef DEF_ATTR_NULL_TREE
#undef DEF_ATTR_INT
#undef DEF_ATTR_IDENT
#undef DEF_ATTR_TREE_LIST
ATTR_LAST
};
static GTY(()) tree built_in_attributes[(int) ATTR_LAST];
/* Builtin types. */
enum lto_builtin_type
{
#define DEF_PRIMITIVE_TYPE(NAME, VALUE) NAME,
#define DEF_FUNCTION_TYPE_0(NAME, RETURN) NAME,
#define DEF_FUNCTION_TYPE_1(NAME, RETURN, ARG1) NAME,
#define DEF_FUNCTION_TYPE_2(NAME, RETURN, ARG1, ARG2) NAME,
#define DEF_FUNCTION_TYPE_3(NAME, RETURN, ARG1, ARG2, ARG3) NAME,
#define DEF_FUNCTION_TYPE_4(NAME, RETURN, ARG1, ARG2, ARG3, ARG4) NAME,
#define DEF_FUNCTION_TYPE_5(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5) NAME,
#define DEF_FUNCTION_TYPE_6(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6) NAME,
#define DEF_FUNCTION_TYPE_7(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6, ARG7) NAME,
#define DEF_FUNCTION_TYPE_VAR_0(NAME, RETURN) NAME,
#define DEF_FUNCTION_TYPE_VAR_1(NAME, RETURN, ARG1) NAME,
#define DEF_FUNCTION_TYPE_VAR_2(NAME, RETURN, ARG1, ARG2) NAME,
#define DEF_FUNCTION_TYPE_VAR_3(NAME, RETURN, ARG1, ARG2, ARG3) NAME,
#define DEF_FUNCTION_TYPE_VAR_4(NAME, RETURN, ARG1, ARG2, ARG3, ARG4) NAME,
#define DEF_FUNCTION_TYPE_VAR_5(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG6) \
NAME,
#define DEF_POINTER_TYPE(NAME, TYPE) NAME,
#include "builtin-types.def"
#undef DEF_PRIMITIVE_TYPE
#undef DEF_FUNCTION_TYPE_0
#undef DEF_FUNCTION_TYPE_1
#undef DEF_FUNCTION_TYPE_2
#undef DEF_FUNCTION_TYPE_3
#undef DEF_FUNCTION_TYPE_4
#undef DEF_FUNCTION_TYPE_5
#undef DEF_FUNCTION_TYPE_6
#undef DEF_FUNCTION_TYPE_7
#undef DEF_FUNCTION_TYPE_VAR_0
#undef DEF_FUNCTION_TYPE_VAR_1
#undef DEF_FUNCTION_TYPE_VAR_2
#undef DEF_FUNCTION_TYPE_VAR_3
#undef DEF_FUNCTION_TYPE_VAR_4
#undef DEF_FUNCTION_TYPE_VAR_5
#undef DEF_POINTER_TYPE
BT_LAST
};
typedef enum lto_builtin_type builtin_type;
static GTY(()) tree builtin_types[(int) BT_LAST + 1];
static GTY(()) tree string_type_node;
static GTY(()) tree const_string_type_node;
static GTY(()) tree wint_type_node;
static GTY(()) tree intmax_type_node;
static GTY(()) tree uintmax_type_node;
static GTY(()) tree signed_size_type_node;
/* Flags needed to process builtins.def. */
int flag_no_builtin;
int flag_no_nonansi_builtin;
int flag_isoc94;
int flag_isoc99;
/* Attribute handlers. */
/* Handle a "noreturn" attribute; arguments as in
struct attribute_spec.handler. */
static tree
handle_noreturn_attribute (tree *node, tree ARG_UNUSED (name),
tree ARG_UNUSED (args), int ARG_UNUSED (flags),
bool * ARG_UNUSED (no_add_attrs))
{
tree type = TREE_TYPE (*node);
if (TREE_CODE (*node) == FUNCTION_DECL)
TREE_THIS_VOLATILE (*node) = 1;
else if (TREE_CODE (type) == POINTER_TYPE
&& TREE_CODE (TREE_TYPE (type)) == FUNCTION_TYPE)
TREE_TYPE (*node)
= build_pointer_type
(build_type_variant (TREE_TYPE (type),
TYPE_READONLY (TREE_TYPE (type)), 1));
else
gcc_unreachable ();
return NULL_TREE;
}
/* Handle a "const" attribute; arguments as in
struct attribute_spec.handler. */
static tree
handle_const_attribute (tree *node, tree ARG_UNUSED (name),
tree ARG_UNUSED (args), int ARG_UNUSED (flags),
bool * ARG_UNUSED (no_add_attrs))
{
tree type = TREE_TYPE (*node);
/* See FIXME comment on noreturn in c_common_attribute_table. */
if (TREE_CODE (*node) == FUNCTION_DECL)
TREE_READONLY (*node) = 1;
else if (TREE_CODE (type) == POINTER_TYPE
&& TREE_CODE (TREE_TYPE (type)) == FUNCTION_TYPE)
TREE_TYPE (*node)
= build_pointer_type
(build_type_variant (TREE_TYPE (type), 1,
TREE_THIS_VOLATILE (TREE_TYPE (type))));
else
gcc_unreachable ();
return NULL_TREE;
}
/* Handle a "malloc" attribute; arguments as in
struct attribute_spec.handler. */
static tree
handle_malloc_attribute (tree *node, tree ARG_UNUSED (name),
tree ARG_UNUSED (args), int ARG_UNUSED (flags),
bool * ARG_UNUSED (no_add_attrs))
{
if (TREE_CODE (*node) == FUNCTION_DECL
&& POINTER_TYPE_P (TREE_TYPE (TREE_TYPE (*node))))
DECL_IS_MALLOC (*node) = 1;
else
gcc_unreachable ();
return NULL_TREE;
}
/* Handle a "pure" attribute; arguments as in
struct attribute_spec.handler. */
static tree
handle_pure_attribute (tree *node, tree ARG_UNUSED (name),
tree ARG_UNUSED (args), int ARG_UNUSED (flags),
bool * ARG_UNUSED (no_add_attrs))
{
if (TREE_CODE (*node) == FUNCTION_DECL)
DECL_PURE_P (*node) = 1;
else
gcc_unreachable ();
return NULL_TREE;
}
/* Handle a "no vops" attribute; arguments as in
struct attribute_spec.handler. */
static tree
handle_novops_attribute (tree *node, tree ARG_UNUSED (name),
tree ARG_UNUSED (args), int ARG_UNUSED (flags),
bool *ARG_UNUSED (no_add_attrs))
{
gcc_assert (TREE_CODE (*node) == FUNCTION_DECL);
DECL_IS_NOVOPS (*node) = 1;
return NULL_TREE;
}
/* Helper for nonnull attribute handling; fetch the operand number
from the attribute argument list. */
static bool
get_nonnull_operand (tree arg_num_expr, unsigned HOST_WIDE_INT *valp)
{
/* Verify the arg number is a constant. */
if (TREE_CODE (arg_num_expr) != INTEGER_CST
|| TREE_INT_CST_HIGH (arg_num_expr) != 0)
return false;
*valp = TREE_INT_CST_LOW (arg_num_expr);
return true;
}
/* Handle the "nonnull" attribute. */
static tree
handle_nonnull_attribute (tree *node, tree ARG_UNUSED (name),
tree args, int ARG_UNUSED (flags),
bool * ARG_UNUSED (no_add_attrs))
{
tree type = *node;
/* If no arguments are specified, all pointer arguments should be
non-null. Verify a full prototype is given so that the arguments
will have the correct types when we actually check them later. */
if (!args)
{
gcc_assert (TYPE_ARG_TYPES (type));
return NULL_TREE;
}
/* Argument list specified. Verify that each argument number references
a pointer argument. */
for (; args; args = TREE_CHAIN (args))
{
tree argument;
unsigned HOST_WIDE_INT arg_num = 0, ck_num;
if (!get_nonnull_operand (TREE_VALUE (args), &arg_num))
gcc_unreachable ();
argument = TYPE_ARG_TYPES (type);
if (argument)
{
for (ck_num = 1; ; ck_num++)
{
if (!argument || ck_num == arg_num)
break;
argument = TREE_CHAIN (argument);
}
gcc_assert (argument
&& TREE_CODE (TREE_VALUE (argument)) == POINTER_TYPE);
}
}
return NULL_TREE;
}
/* Handle a "nothrow" attribute; arguments as in
struct attribute_spec.handler. */
static tree
handle_nothrow_attribute (tree *node, tree ARG_UNUSED (name),
tree ARG_UNUSED (args), int ARG_UNUSED (flags),
bool * ARG_UNUSED (no_add_attrs))
{
if (TREE_CODE (*node) == FUNCTION_DECL)
TREE_NOTHROW (*node) = 1;
else
gcc_unreachable ();
return NULL_TREE;
}
/* Handle a "sentinel" attribute. */
static tree
handle_sentinel_attribute (tree *node, tree ARG_UNUSED (name), tree args,
int ARG_UNUSED (flags),
bool * ARG_UNUSED (no_add_attrs))
{
tree params = TYPE_ARG_TYPES (*node);
gcc_assert (params);
while (TREE_CHAIN (params))
params = TREE_CHAIN (params);
gcc_assert (!VOID_TYPE_P (TREE_VALUE (params)));
if (args)
{
tree position = TREE_VALUE (args);
gcc_assert (TREE_CODE (position) == INTEGER_CST);
if (tree_int_cst_lt (position, integer_zero_node))
gcc_unreachable ();
}
return NULL_TREE;
}
/* Handle a "type_generic" attribute. */
static tree
handle_type_generic_attribute (tree *node, tree ARG_UNUSED (name),
tree ARG_UNUSED (args), int ARG_UNUSED (flags),
bool * ARG_UNUSED (no_add_attrs))
{
tree params;
/* Ensure we have a function type. */
gcc_assert (TREE_CODE (*node) == FUNCTION_TYPE);
params = TYPE_ARG_TYPES (*node);
while (params && ! VOID_TYPE_P (TREE_VALUE (params)))
params = TREE_CHAIN (params);
/* Ensure we have a variadic function. */
gcc_assert (!params);
return NULL_TREE;
}
/* Handle a "format" attribute; arguments as in
struct attribute_spec.handler. */
static tree
handle_format_attribute (tree * ARG_UNUSED (node), tree ARG_UNUSED (name),
tree ARG_UNUSED (args), int ARG_UNUSED (flags),
bool *no_add_attrs)
{
*no_add_attrs = true;
return NULL_TREE;
}
/* Handle a "format_arg" attribute; arguments as in
struct attribute_spec.handler. */
tree
handle_format_arg_attribute (tree * ARG_UNUSED (node), tree ARG_UNUSED (name),
tree ARG_UNUSED (args), int ARG_UNUSED (flags),
bool *no_add_attrs)
{
*no_add_attrs = true;
return NULL_TREE;
}
/* Cribbed from c-common.c. */
static void
def_fn_type (builtin_type def, builtin_type ret, bool var, int n, ...)
{
tree args = NULL, t;
va_list list;
int i;
va_start (list, n);
for (i = 0; i < n; ++i)
{
builtin_type a = (builtin_type) va_arg (list, int);
t = builtin_types[a];
if (t == error_mark_node)
goto egress;
args = tree_cons (NULL_TREE, t, args);
}
va_end (list);
args = nreverse (args);
if (!var)
args = chainon (args, void_list_node);
t = builtin_types[ret];
if (t == error_mark_node)
goto egress;
t = build_function_type (t, args);
egress:
builtin_types[def] = t;
}
/* Used to help initialize the builtin-types.def table. When a type of
the correct size doesn't exist, use error_mark_node instead of NULL.
The later results in segfaults even when a decl using the type doesn't
get invoked. */
static tree
builtin_type_for_size (int size, bool unsignedp)
{
tree type = lang_hooks.types.type_for_size (size, unsignedp);
return type ? type : error_mark_node;
}
/* Support for DEF_BUILTIN. */
static void
def_builtin_1 (enum built_in_function fncode, const char *name,
enum built_in_class fnclass, tree fntype, tree libtype,
bool both_p, bool fallback_p, bool nonansi_p,
tree fnattrs, bool implicit_p)
{
tree decl;
const char *libname;
if (fntype == error_mark_node)
return;
libname = name + strlen ("__builtin_");
decl = add_builtin_function (name, fntype, fncode, fnclass,
(fallback_p ? libname : NULL),
fnattrs);
if (both_p
&& !flag_no_builtin
&& !(nonansi_p && flag_no_nonansi_builtin))
add_builtin_function (libname, libtype, fncode, fnclass,
NULL, fnattrs);
built_in_decls[(int) fncode] = decl;
if (implicit_p)
implicit_built_in_decls[(int) fncode] = decl;
}
/* Initialize the attribute table for all the supported builtins. */
static void
lto_init_attributes (void)
{
/* Fill in the built_in_attributes array. */
#define DEF_ATTR_NULL_TREE(ENUM) \
built_in_attributes[(int) ENUM] = NULL_TREE;
#define DEF_ATTR_INT(ENUM, VALUE) \
built_in_attributes[(int) ENUM] = build_int_cst (NULL_TREE, VALUE);
#define DEF_ATTR_IDENT(ENUM, STRING) \
built_in_attributes[(int) ENUM] = get_identifier (STRING);
#define DEF_ATTR_TREE_LIST(ENUM, PURPOSE, VALUE, CHAIN) \
built_in_attributes[(int) ENUM] \
= tree_cons (built_in_attributes[(int) PURPOSE], \
built_in_attributes[(int) VALUE], \
built_in_attributes[(int) CHAIN]);
#include "builtin-attrs.def"
#undef DEF_ATTR_NULL_TREE
#undef DEF_ATTR_INT
#undef DEF_ATTR_IDENT
#undef DEF_ATTR_TREE_LIST
}
/* Create builtin types and functions. VA_LIST_REF_TYPE_NODE and
VA_LIST_ARG_TYPE_NODE are used in builtin-types.def. */
static void
lto_define_builtins (tree va_list_ref_type_node ATTRIBUTE_UNUSED,
tree va_list_arg_type_node ATTRIBUTE_UNUSED)
{
#define DEF_PRIMITIVE_TYPE(ENUM, VALUE) \
builtin_types[ENUM] = VALUE;
#define DEF_FUNCTION_TYPE_0(ENUM, RETURN) \
def_fn_type (ENUM, RETURN, 0, 0);
#define DEF_FUNCTION_TYPE_1(ENUM, RETURN, ARG1) \
def_fn_type (ENUM, RETURN, 0, 1, ARG1);
#define DEF_FUNCTION_TYPE_2(ENUM, RETURN, ARG1, ARG2) \
def_fn_type (ENUM, RETURN, 0, 2, ARG1, ARG2);
#define DEF_FUNCTION_TYPE_3(ENUM, RETURN, ARG1, ARG2, ARG3) \
def_fn_type (ENUM, RETURN, 0, 3, ARG1, ARG2, ARG3);
#define DEF_FUNCTION_TYPE_4(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4) \
def_fn_type (ENUM, RETURN, 0, 4, ARG1, ARG2, ARG3, ARG4);
#define DEF_FUNCTION_TYPE_5(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5) \
def_fn_type (ENUM, RETURN, 0, 5, ARG1, ARG2, ARG3, ARG4, ARG5);
#define DEF_FUNCTION_TYPE_6(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \
ARG6) \
def_fn_type (ENUM, RETURN, 0, 6, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6);
#define DEF_FUNCTION_TYPE_7(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \
ARG6, ARG7) \
def_fn_type (ENUM, RETURN, 0, 7, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6, ARG7);
#define DEF_FUNCTION_TYPE_VAR_0(ENUM, RETURN) \
def_fn_type (ENUM, RETURN, 1, 0);
#define DEF_FUNCTION_TYPE_VAR_1(ENUM, RETURN, ARG1) \
def_fn_type (ENUM, RETURN, 1, 1, ARG1);
#define DEF_FUNCTION_TYPE_VAR_2(ENUM, RETURN, ARG1, ARG2) \
def_fn_type (ENUM, RETURN, 1, 2, ARG1, ARG2);
#define DEF_FUNCTION_TYPE_VAR_3(ENUM, RETURN, ARG1, ARG2, ARG3) \
def_fn_type (ENUM, RETURN, 1, 3, ARG1, ARG2, ARG3);
#define DEF_FUNCTION_TYPE_VAR_4(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4) \
def_fn_type (ENUM, RETURN, 1, 4, ARG1, ARG2, ARG3, ARG4);
#define DEF_FUNCTION_TYPE_VAR_5(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5) \
def_fn_type (ENUM, RETURN, 1, 5, ARG1, ARG2, ARG3, ARG4, ARG5);
#define DEF_POINTER_TYPE(ENUM, TYPE) \
builtin_types[(int) ENUM] = build_pointer_type (builtin_types[(int) TYPE]);
#include "builtin-types.def"
#undef DEF_PRIMITIVE_TYPE
#undef DEF_FUNCTION_TYPE_1
#undef DEF_FUNCTION_TYPE_2
#undef DEF_FUNCTION_TYPE_3
#undef DEF_FUNCTION_TYPE_4
#undef DEF_FUNCTION_TYPE_5
#undef DEF_FUNCTION_TYPE_6
#undef DEF_FUNCTION_TYPE_VAR_0
#undef DEF_FUNCTION_TYPE_VAR_1
#undef DEF_FUNCTION_TYPE_VAR_2
#undef DEF_FUNCTION_TYPE_VAR_3
#undef DEF_FUNCTION_TYPE_VAR_4
#undef DEF_FUNCTION_TYPE_VAR_5
#undef DEF_POINTER_TYPE
builtin_types[(int) BT_LAST] = NULL_TREE;
lto_init_attributes ();
#define DEF_BUILTIN(ENUM, NAME, CLASS, TYPE, LIBTYPE, BOTH_P, FALLBACK_P,\
NONANSI_P, ATTRS, IMPLICIT, COND) \
if (NAME && COND) \
def_builtin_1 (ENUM, NAME, CLASS, builtin_types[(int) TYPE], \
builtin_types[(int) LIBTYPE], BOTH_P, FALLBACK_P, \
NONANSI_P, built_in_attributes[(int) ATTRS], IMPLICIT);
#include "builtins.def"
#undef DEF_BUILTIN
}
static GTY(()) tree registered_builtin_types;
/* A chain of builtin functions that we need to recognize. We will
assume that all other function names we see will be defined by the
user's program. */
static GTY(()) tree registered_builtin_fndecls;
/* Language hooks. */
static unsigned int
lto_init_options (unsigned int argc ATTRIBUTE_UNUSED,
const char **argv ATTRIBUTE_UNUSED)
{
/* By default, C99-like requirements for complex multiply and divide.
??? Until the complex method is encoded in the IL this is the only
safe choice. This will pessimize Fortran code with LTO unless
people specify a complex method manually or use -ffast-math. */
flag_complex_method = 2;
return CL_LTO;
}
/* Handle command-line option SCODE. If the option takes an argument, it is
stored in ARG, which is otherwise NULL. VALUE holds either a numerical
argument or a binary value indicating whether the positive or negative form
of the option was supplied. */
const char *resolution_file_name;
static int
lto_handle_option (size_t scode, const char *arg, int value ATTRIBUTE_UNUSED)
{
enum opt_code code = (enum opt_code) scode;
int result = 1;
switch (code)
{
case OPT_fresolution:
resolution_file_name = arg;
result = 1;
break;
case OPT_Wabi:
warn_psabi = value;
break;
default:
break;
}
return result;
}
/* Perform post-option processing. Does additional initialization based on
command-line options. PFILENAME is the main input filename. Returns false
to enable subsequent back-end initialization. */
static bool
lto_post_options (const char **pfilename ATTRIBUTE_UNUSED)
{
/* -fltrans and -fwpa are mutually exclusive. Check for that here. */
if (flag_wpa && flag_ltrans)
error ("-fwpa and -fltrans are mutually exclusive");
if (flag_ltrans)
{
flag_generate_lto = 0;
/* During LTRANS, we are not looking at the whole program, only
a subset of the whole callgraph. */
flag_whole_program = 0;
}
if (flag_wpa)
flag_generate_lto = 1;
/* Excess precision other than "fast" requires front-end
support. */
flag_excess_precision_cmdline = EXCESS_PRECISION_FAST;
lto_read_all_file_options ();
/* Initialize the compiler back end. */
return false;
}
/* Return an integer type with PRECISION bits of precision,
that is unsigned if UNSIGNEDP is nonzero, otherwise signed. */
static tree
lto_type_for_size (unsigned precision, int unsignedp)
{
if (precision == TYPE_PRECISION (integer_type_node))
return unsignedp ? unsigned_type_node : integer_type_node;
if (precision == TYPE_PRECISION (signed_char_type_node))
return unsignedp ? unsigned_char_type_node : signed_char_type_node;
if (precision == TYPE_PRECISION (short_integer_type_node))
return unsignedp ? short_unsigned_type_node : short_integer_type_node;
if (precision == TYPE_PRECISION (long_integer_type_node))
return unsignedp ? long_unsigned_type_node : long_integer_type_node;
if (precision == TYPE_PRECISION (long_long_integer_type_node))
return unsignedp
? long_long_unsigned_type_node
: long_long_integer_type_node;
if (precision <= TYPE_PRECISION (intQI_type_node))
return unsignedp ? unsigned_intQI_type_node : intQI_type_node;
if (precision <= TYPE_PRECISION (intHI_type_node))
return unsignedp ? unsigned_intHI_type_node : intHI_type_node;
if (precision <= TYPE_PRECISION (intSI_type_node))
return unsignedp ? unsigned_intSI_type_node : intSI_type_node;
if (precision <= TYPE_PRECISION (intDI_type_node))
return unsignedp ? unsigned_intDI_type_node : intDI_type_node;
if (precision <= TYPE_PRECISION (intTI_type_node))
return unsignedp ? unsigned_intTI_type_node : intTI_type_node;
return NULL_TREE;
}
/* Return a data type that has machine mode MODE.
If the mode is an integer,
then UNSIGNEDP selects between signed and unsigned types.
If the mode is a fixed-point mode,
then UNSIGNEDP selects between saturating and nonsaturating types. */
static tree
lto_type_for_mode (enum machine_mode mode, int unsigned_p)
{
tree t;
if (mode == TYPE_MODE (integer_type_node))
return unsigned_p ? unsigned_type_node : integer_type_node;
if (mode == TYPE_MODE (signed_char_type_node))
return unsigned_p ? unsigned_char_type_node : signed_char_type_node;
if (mode == TYPE_MODE (short_integer_type_node))
return unsigned_p ? short_unsigned_type_node : short_integer_type_node;
if (mode == TYPE_MODE (long_integer_type_node))
return unsigned_p ? long_unsigned_type_node : long_integer_type_node;
if (mode == TYPE_MODE (long_long_integer_type_node))
return unsigned_p ? long_long_unsigned_type_node : long_long_integer_type_node;
if (mode == QImode)
return unsigned_p ? unsigned_intQI_type_node : intQI_type_node;
if (mode == HImode)
return unsigned_p ? unsigned_intHI_type_node : intHI_type_node;
if (mode == SImode)
return unsigned_p ? unsigned_intSI_type_node : intSI_type_node;
if (mode == DImode)
return unsigned_p ? unsigned_intDI_type_node : intDI_type_node;
#if HOST_BITS_PER_WIDE_INT >= 64
if (mode == TYPE_MODE (intTI_type_node))
return unsigned_p ? unsigned_intTI_type_node : intTI_type_node;
#endif
if (mode == TYPE_MODE (float_type_node))
return float_type_node;
if (mode == TYPE_MODE (double_type_node))
return double_type_node;
if (mode == TYPE_MODE (long_double_type_node))
return long_double_type_node;
if (mode == TYPE_MODE (void_type_node))
return void_type_node;
if (mode == TYPE_MODE (build_pointer_type (char_type_node)))
return (unsigned_p
? make_unsigned_type (GET_MODE_PRECISION (mode))
: make_signed_type (GET_MODE_PRECISION (mode)));
if (mode == TYPE_MODE (build_pointer_type (integer_type_node)))
return (unsigned_p
? make_unsigned_type (GET_MODE_PRECISION (mode))
: make_signed_type (GET_MODE_PRECISION (mode)));
if (COMPLEX_MODE_P (mode))
{
enum machine_mode inner_mode;
tree inner_type;
if (mode == TYPE_MODE (complex_float_type_node))
return complex_float_type_node;
if (mode == TYPE_MODE (complex_double_type_node))
return complex_double_type_node;
if (mode == TYPE_MODE (complex_long_double_type_node))
return complex_long_double_type_node;
if (mode == TYPE_MODE (complex_integer_type_node) && !unsigned_p)
return complex_integer_type_node;
inner_mode = GET_MODE_INNER (mode);
inner_type = lto_type_for_mode (inner_mode, unsigned_p);
if (inner_type != NULL_TREE)
return build_complex_type (inner_type);
}
else if (VECTOR_MODE_P (mode))
{
enum machine_mode inner_mode = GET_MODE_INNER (mode);
tree inner_type = lto_type_for_mode (inner_mode, unsigned_p);
if (inner_type != NULL_TREE)
return build_vector_type_for_mode (inner_type, mode);
}
if (mode == TYPE_MODE (dfloat32_type_node))
return dfloat32_type_node;
if (mode == TYPE_MODE (dfloat64_type_node))
return dfloat64_type_node;
if (mode == TYPE_MODE (dfloat128_type_node))
return dfloat128_type_node;
if (ALL_SCALAR_FIXED_POINT_MODE_P (mode))
{
if (mode == TYPE_MODE (short_fract_type_node))
return unsigned_p ? sat_short_fract_type_node : short_fract_type_node;
if (mode == TYPE_MODE (fract_type_node))
return unsigned_p ? sat_fract_type_node : fract_type_node;
if (mode == TYPE_MODE (long_fract_type_node))
return unsigned_p ? sat_long_fract_type_node : long_fract_type_node;
if (mode == TYPE_MODE (long_long_fract_type_node))
return unsigned_p ? sat_long_long_fract_type_node
: long_long_fract_type_node;
if (mode == TYPE_MODE (unsigned_short_fract_type_node))
return unsigned_p ? sat_unsigned_short_fract_type_node
: unsigned_short_fract_type_node;
if (mode == TYPE_MODE (unsigned_fract_type_node))
return unsigned_p ? sat_unsigned_fract_type_node
: unsigned_fract_type_node;
if (mode == TYPE_MODE (unsigned_long_fract_type_node))
return unsigned_p ? sat_unsigned_long_fract_type_node
: unsigned_long_fract_type_node;
if (mode == TYPE_MODE (unsigned_long_long_fract_type_node))
return unsigned_p ? sat_unsigned_long_long_fract_type_node
: unsigned_long_long_fract_type_node;
if (mode == TYPE_MODE (short_accum_type_node))
return unsigned_p ? sat_short_accum_type_node : short_accum_type_node;
if (mode == TYPE_MODE (accum_type_node))
return unsigned_p ? sat_accum_type_node : accum_type_node;
if (mode == TYPE_MODE (long_accum_type_node))
return unsigned_p ? sat_long_accum_type_node : long_accum_type_node;
if (mode == TYPE_MODE (long_long_accum_type_node))
return unsigned_p ? sat_long_long_accum_type_node
: long_long_accum_type_node;
if (mode == TYPE_MODE (unsigned_short_accum_type_node))
return unsigned_p ? sat_unsigned_short_accum_type_node
: unsigned_short_accum_type_node;
if (mode == TYPE_MODE (unsigned_accum_type_node))
return unsigned_p ? sat_unsigned_accum_type_node
: unsigned_accum_type_node;
if (mode == TYPE_MODE (unsigned_long_accum_type_node))
return unsigned_p ? sat_unsigned_long_accum_type_node
: unsigned_long_accum_type_node;
if (mode == TYPE_MODE (unsigned_long_long_accum_type_node))
return unsigned_p ? sat_unsigned_long_long_accum_type_node
: unsigned_long_long_accum_type_node;
if (mode == QQmode)
return unsigned_p ? sat_qq_type_node : qq_type_node;
if (mode == HQmode)
return unsigned_p ? sat_hq_type_node : hq_type_node;
if (mode == SQmode)
return unsigned_p ? sat_sq_type_node : sq_type_node;
if (mode == DQmode)
return unsigned_p ? sat_dq_type_node : dq_type_node;
if (mode == TQmode)
return unsigned_p ? sat_tq_type_node : tq_type_node;
if (mode == UQQmode)
return unsigned_p ? sat_uqq_type_node : uqq_type_node;
if (mode == UHQmode)
return unsigned_p ? sat_uhq_type_node : uhq_type_node;
if (mode == USQmode)
return unsigned_p ? sat_usq_type_node : usq_type_node;
if (mode == UDQmode)
return unsigned_p ? sat_udq_type_node : udq_type_node;
if (mode == UTQmode)
return unsigned_p ? sat_utq_type_node : utq_type_node;
if (mode == HAmode)
return unsigned_p ? sat_ha_type_node : ha_type_node;
if (mode == SAmode)
return unsigned_p ? sat_sa_type_node : sa_type_node;
if (mode == DAmode)
return unsigned_p ? sat_da_type_node : da_type_node;
if (mode == TAmode)
return unsigned_p ? sat_ta_type_node : ta_type_node;
if (mode == UHAmode)
return unsigned_p ? sat_uha_type_node : uha_type_node;
if (mode == USAmode)
return unsigned_p ? sat_usa_type_node : usa_type_node;
if (mode == UDAmode)
return unsigned_p ? sat_uda_type_node : uda_type_node;
if (mode == UTAmode)
return unsigned_p ? sat_uta_type_node : uta_type_node;
}
for (t = registered_builtin_types; t; t = TREE_CHAIN (t))
if (TYPE_MODE (TREE_VALUE (t)) == mode)
return TREE_VALUE (t);
return NULL_TREE;
}
static int
lto_global_bindings_p (void)
{
return cfun == NULL;
}
static void
lto_set_decl_assembler_name (tree decl)
{
/* This is almost the same as lhd_set_decl_assembler_name, except that
we need to uniquify file-scope names, even if they are not
TREE_PUBLIC, to avoid conflicts between individual files. */
tree id;
if (TREE_PUBLIC (decl))
id = targetm.mangle_decl_assembler_name (decl, DECL_NAME (decl));
else
{
const char *name = IDENTIFIER_POINTER (DECL_NAME (decl));
char *label;
ASM_FORMAT_PRIVATE_NAME (label, name, DECL_UID (decl));
id = get_identifier (label);
}
SET_DECL_ASSEMBLER_NAME (decl, id);
}
static tree
lto_pushdecl (tree t ATTRIBUTE_UNUSED)
{
/* Do nothing, since we get all information from DWARF and LTO
sections. */
return NULL_TREE;
}
static tree
lto_getdecls (void)
{
return registered_builtin_fndecls;
}
static void
lto_write_globals (void)
{
tree *vec = VEC_address (tree, lto_global_var_decls);
int len = VEC_length (tree, lto_global_var_decls);
wrapup_global_declarations (vec, len);
emit_debug_global_declarations (vec, len);
VEC_free (tree, gc, lto_global_var_decls);
}
static tree
lto_builtin_function (tree decl)
{
/* Record it. */
TREE_CHAIN (decl) = registered_builtin_fndecls;
registered_builtin_fndecls = decl;
return decl;
}
static void
lto_register_builtin_type (tree type, const char *name)
{
tree decl;
decl = build_decl (UNKNOWN_LOCATION, TYPE_DECL, get_identifier (name), type);
DECL_ARTIFICIAL (decl) = 1;
if (!TYPE_NAME (type))
TYPE_NAME (type) = decl;
registered_builtin_types = tree_cons (0, type, registered_builtin_types);
}
/* Build nodes that would have be created by the C front-end; necessary
for including builtin-types.def and ultimately builtins.def. */
static void
lto_build_c_type_nodes (void)
{
gcc_assert (void_type_node);
void_list_node = build_tree_list (NULL_TREE, void_type_node);
string_type_node = build_pointer_type (char_type_node);
const_string_type_node
= build_pointer_type (build_qualified_type (char_type_node, TYPE_QUAL_CONST));
if (strcmp (SIZE_TYPE, "unsigned int") == 0)
{
intmax_type_node = integer_type_node;
uintmax_type_node = unsigned_type_node;
signed_size_type_node = integer_type_node;
}
else if (strcmp (SIZE_TYPE, "long unsigned int") == 0)
{
intmax_type_node = long_integer_type_node;
uintmax_type_node = long_unsigned_type_node;
signed_size_type_node = long_integer_type_node;
}
else
gcc_unreachable ();
wint_type_node = unsigned_type_node;
pid_type_node = integer_type_node;
}
/* Perform LTO-specific initialization. */
static bool
lto_init (void)
{
/* We need to generate LTO if running in WPA mode. */
flag_generate_lto = flag_wpa;
/* Initialize libcpp line maps for gcc_assert to work. */
linemap_add (line_table, LC_RENAME, 0, NULL, 0);
linemap_add (line_table, LC_RENAME, 0, NULL, 0);
/* Create the basic integer types. */
build_common_tree_nodes (flag_signed_char, /*signed_sizetype=*/false);
/* Share char_type_node with whatever would be the default for the target.
char_type_node will be used for internal types such as
va_list_type_node but will not be present in the lto stream. */
char_type_node
= DEFAULT_SIGNED_CHAR ? signed_char_type_node : unsigned_char_type_node;
/* Tell the middle end what type to use for the size of objects. */
if (strcmp (SIZE_TYPE, "unsigned int") == 0)
{
set_sizetype (unsigned_type_node);
size_type_node = unsigned_type_node;
}
else if (strcmp (SIZE_TYPE, "long unsigned int") == 0)
{
set_sizetype (long_unsigned_type_node);
size_type_node = long_unsigned_type_node;
}
else
gcc_unreachable ();
/* The global tree for the main identifier is filled in by
language-specific front-end initialization that is not run in the
LTO back-end. It appears that all languages that perform such
initialization currently do so in the same way, so we do it here. */
if (main_identifier_node == NULL_TREE)
main_identifier_node = get_identifier ("main");
/* In the C++ front-end, fileptr_type_node is defined as a variant
copy of of ptr_type_node, rather than ptr_node itself. The
distinction should only be relevant to the front-end, so we
always use the C definition here in lto1. */
gcc_assert (fileptr_type_node == ptr_type_node);
ptrdiff_type_node = integer_type_node;
/* Create other basic types. */
build_common_tree_nodes_2 (/*short_double=*/false);
lto_build_c_type_nodes ();
gcc_assert (va_list_type_node);
if (TREE_CODE (va_list_type_node) == ARRAY_TYPE)
{
tree x = build_pointer_type (TREE_TYPE (va_list_type_node));
lto_define_builtins (x, x);
}
else
{
lto_define_builtins (va_list_type_node,
build_reference_type (va_list_type_node));
}
targetm.init_builtins ();
build_common_builtin_nodes ();
/* Initialize LTO-specific data structures. */
lto_global_var_decls = VEC_alloc (tree, gc, 256);
in_lto_p = true;
return true;
}
/* Initialize tree structures required by the LTO front end. */
static void lto_init_ts (void)
{
tree_contains_struct[NAMESPACE_DECL][TS_DECL_MINIMAL] = 1;
}
#undef LANG_HOOKS_NAME
#define LANG_HOOKS_NAME "GNU GIMPLE"
#undef LANG_HOOKS_INIT_OPTIONS
#define LANG_HOOKS_INIT_OPTIONS lto_init_options
#undef LANG_HOOKS_HANDLE_OPTION
#define LANG_HOOKS_HANDLE_OPTION lto_handle_option
#undef LANG_HOOKS_POST_OPTIONS
#define LANG_HOOKS_POST_OPTIONS lto_post_options
#undef LANG_HOOKS_GET_ALIAS_SET
#define LANG_HOOKS_GET_ALIAS_SET gimple_get_alias_set
#undef LANG_HOOKS_TYPE_FOR_MODE
#define LANG_HOOKS_TYPE_FOR_MODE lto_type_for_mode
#undef LANG_HOOKS_TYPE_FOR_SIZE
#define LANG_HOOKS_TYPE_FOR_SIZE lto_type_for_size
#undef LANG_HOOKS_SET_DECL_ASSEMBLER_NAME
#define LANG_HOOKS_SET_DECL_ASSEMBLER_NAME lto_set_decl_assembler_name
#undef LANG_HOOKS_GLOBAL_BINDINGS_P
#define LANG_HOOKS_GLOBAL_BINDINGS_P lto_global_bindings_p
#undef LANG_HOOKS_PUSHDECL
#define LANG_HOOKS_PUSHDECL lto_pushdecl
#undef LANG_HOOKS_GETDECLS
#define LANG_HOOKS_GETDECLS lto_getdecls
#undef LANG_HOOKS_WRITE_GLOBALS
#define LANG_HOOKS_WRITE_GLOBALS lto_write_globals
#undef LANG_HOOKS_REGISTER_BUILTIN_TYPE
#define LANG_HOOKS_REGISTER_BUILTIN_TYPE lto_register_builtin_type
#undef LANG_HOOKS_BUILTIN_FUNCTION
#define LANG_HOOKS_BUILTIN_FUNCTION lto_builtin_function
#undef LANG_HOOKS_INIT
#define LANG_HOOKS_INIT lto_init
#undef LANG_HOOKS_PARSE_FILE
#define LANG_HOOKS_PARSE_FILE lto_main
#undef LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION
#define LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION tree_rest_of_compilation
#undef LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS
#define LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS true
#undef LANG_HOOKS_TYPES_COMPATIBLE_P
#define LANG_HOOKS_TYPES_COMPATIBLE_P NULL
/* Attribute hooks. */
#undef LANG_HOOKS_COMMON_ATTRIBUTE_TABLE
#define LANG_HOOKS_COMMON_ATTRIBUTE_TABLE lto_attribute_table
#undef LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE
#define LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE lto_format_attribute_table
#undef LANG_HOOKS_BEGIN_SECTION
#define LANG_HOOKS_BEGIN_SECTION lto_elf_begin_section
#undef LANG_HOOKS_APPEND_DATA
#define LANG_HOOKS_APPEND_DATA lto_elf_append_data
#undef LANG_HOOKS_END_SECTION
#define LANG_HOOKS_END_SECTION lto_elf_end_section
#undef LANG_HOOKS_INIT_TS
#define LANG_HOOKS_INIT_TS lto_init_ts
struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;
/* Language hooks that are not part of lang_hooks. */
tree
convert (tree type ATTRIBUTE_UNUSED, tree expr ATTRIBUTE_UNUSED)
{
gcc_unreachable ();
}
/* Tree walking support. */
static enum lto_tree_node_structure_enum
lto_tree_node_structure (union lang_tree_node *t ATTRIBUTE_UNUSED)
{
return TS_LTO_GENERIC;
}
#include "ggc.h"
#include "gtype-lto.h"
#include "gt-lto-lto-lang.h"
|