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[C++] Protect call to copy_attributes_to_builtin (PR91505)
[thirdparty/gcc.git] / gcc / tree-streamer-in.c
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2541503d 1/* Routines for reading trees from a file stream.
2
fbd26352 3 Copyright (C) 2011-2019 Free Software Foundation, Inc.
2541503d 4 Contributed by Diego Novillo <dnovillo@google.com>
5
6This file is part of GCC.
7
8GCC is free software; you can redistribute it and/or modify it under
9the terms of the GNU General Public License as published by the Free
10Software Foundation; either version 3, or (at your option) any later
11version.
12
13GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14WARRANTY; without even the implied warranty of MERCHANTABILITY or
15FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16for more details.
17
18You should have received a copy of the GNU General Public License
19along with GCC; see the file COPYING3. If not see
20<http://www.gnu.org/licenses/>. */
21
22#include "config.h"
23#include "system.h"
24#include "coretypes.h"
9ef16211 25#include "backend.h"
7c29e30e 26#include "target.h"
2541503d 27#include "tree.h"
9ef16211 28#include "gimple.h"
9ed99284 29#include "stringpool.h"
2541503d 30#include "tree-streamer.h"
7c29e30e 31#include "cgraph.h"
f7715905 32#include "builtins.h"
ca4c3545 33#include "gomp-constants.h"
30a86690 34#include "stringpool.h"
35#include "attribs.h"
ee49ca6a 36#include "asan.h"
540d473e 37#include "opts.h"
ca4c3545 38
2541503d 39
40/* Read a STRING_CST from the string table in DATA_IN using input
41 block IB. */
42
43tree
2e966e2a 44streamer_read_string_cst (class data_in *data_in, class lto_input_block *ib)
2541503d 45{
46 unsigned int len;
47 const char * ptr;
48
7f385784 49 ptr = streamer_read_indexed_string (data_in, ib, &len);
2541503d 50 if (!ptr)
51 return NULL;
52 return build_string (len, ptr);
53}
54
55
56/* Read an IDENTIFIER from the string table in DATA_IN using input
57 block IB. */
58
59static tree
2e966e2a 60input_identifier (class data_in *data_in, class lto_input_block *ib)
2541503d 61{
62 unsigned int len;
63 const char *ptr;
64
7f385784 65 ptr = streamer_read_indexed_string (data_in, ib, &len);
2541503d 66 if (!ptr)
67 return NULL;
68 return get_identifier_with_length (ptr, len);
69}
70
71
72/* Read a chain of tree nodes from input block IB. DATA_IN contains
73 tables and descriptors for the file being read. */
74
7f385784 75tree
2e966e2a 76streamer_read_chain (class lto_input_block *ib, class data_in *data_in)
2541503d 77{
2541503d 78 tree first, prev, curr;
79
e41fac10 80 /* The chain is written as NULL terminated list of trees. */
2541503d 81 first = prev = NULL_TREE;
e41fac10 82 do
2541503d 83 {
515cf651 84 curr = stream_read_tree (ib, data_in);
2541503d 85 if (prev)
86 TREE_CHAIN (prev) = curr;
87 else
88 first = curr;
89
2541503d 90 prev = curr;
91 }
e41fac10 92 while (curr);
2541503d 93
94 return first;
95}
96
97
98/* Unpack all the non-pointer fields of the TS_BASE structure of
99 expression EXPR from bitpack BP. */
100
c76dc468 101static inline void
2541503d 102unpack_ts_base_value_fields (struct bitpack_d *bp, tree expr)
103{
104 /* Note that the code for EXPR has already been unpacked to create EXPR in
7f385784 105 streamer_alloc_tree. */
2541503d 106 if (!TYPE_P (expr))
107 {
108 TREE_SIDE_EFFECTS (expr) = (unsigned) bp_unpack_value (bp, 1);
109 TREE_CONSTANT (expr) = (unsigned) bp_unpack_value (bp, 1);
110 TREE_READONLY (expr) = (unsigned) bp_unpack_value (bp, 1);
111
112 /* TREE_PUBLIC is used on types to indicate that the type
113 has a TYPE_CACHED_VALUES vector. This is not streamed out,
114 so we skip it here. */
115 TREE_PUBLIC (expr) = (unsigned) bp_unpack_value (bp, 1);
116 }
117 else
118 bp_unpack_value (bp, 4);
119 TREE_ADDRESSABLE (expr) = (unsigned) bp_unpack_value (bp, 1);
120 TREE_THIS_VOLATILE (expr) = (unsigned) bp_unpack_value (bp, 1);
121 if (DECL_P (expr))
f34cae5b 122 {
123 DECL_UNSIGNED (expr) = (unsigned) bp_unpack_value (bp, 1);
124 DECL_NAMELESS (expr) = (unsigned) bp_unpack_value (bp, 1);
125 }
2541503d 126 else if (TYPE_P (expr))
127 TYPE_UNSIGNED (expr) = (unsigned) bp_unpack_value (bp, 1);
128 else
129 bp_unpack_value (bp, 1);
130 TREE_ASM_WRITTEN (expr) = (unsigned) bp_unpack_value (bp, 1);
131 if (TYPE_P (expr))
132 TYPE_ARTIFICIAL (expr) = (unsigned) bp_unpack_value (bp, 1);
133 else
134 TREE_NO_WARNING (expr) = (unsigned) bp_unpack_value (bp, 1);
2541503d 135 TREE_NOTHROW (expr) = (unsigned) bp_unpack_value (bp, 1);
136 TREE_STATIC (expr) = (unsigned) bp_unpack_value (bp, 1);
8ceff600 137 if (TREE_CODE (expr) != TREE_BINFO)
138 TREE_PRIVATE (expr) = (unsigned) bp_unpack_value (bp, 1);
c76dc468 139 else
140 bp_unpack_value (bp, 1);
2541503d 141 TREE_PROTECTED (expr) = (unsigned) bp_unpack_value (bp, 1);
142 TREE_DEPRECATED (expr) = (unsigned) bp_unpack_value (bp, 1);
143 if (TYPE_P (expr))
2436e5d5 144 {
292237f3 145 if (AGGREGATE_TYPE_P (expr))
146 TYPE_REVERSE_STORAGE_ORDER (expr) = (unsigned) bp_unpack_value (bp, 1);
147 else
148 TYPE_SATURATING (expr) = (unsigned) bp_unpack_value (bp, 1);
2436e5d5 149 TYPE_ADDR_SPACE (expr) = (unsigned) bp_unpack_value (bp, 8);
150 }
292237f3 151 else if (TREE_CODE (expr) == BIT_FIELD_REF || TREE_CODE (expr) == MEM_REF)
01dc1195 152 {
153 REF_REVERSE_STORAGE_ORDER (expr) = (unsigned) bp_unpack_value (bp, 1);
154 bp_unpack_value (bp, 8);
155 }
2541503d 156 else if (TREE_CODE (expr) == SSA_NAME)
c76dc468 157 {
158 SSA_NAME_IS_DEFAULT_DEF (expr) = (unsigned) bp_unpack_value (bp, 1);
159 bp_unpack_value (bp, 8);
160 }
eff71cfb 161 else if (TREE_CODE (expr) == CALL_EXPR)
162 {
163 CALL_EXPR_BY_DESCRIPTOR (expr) = (unsigned) bp_unpack_value (bp, 1);
164 bp_unpack_value (bp, 8);
165 }
2541503d 166 else
c76dc468 167 bp_unpack_value (bp, 9);
2541503d 168}
169
170
42603940 171/* Unpack all the non-pointer fields of the TS_INT_CST structure of
172 expression EXPR from bitpack BP. */
173
174static void
175unpack_ts_int_cst_value_fields (struct bitpack_d *bp, tree expr)
176{
e913b5cd 177 int i;
271e739a 178 for (i = 0; i < TREE_INT_CST_EXT_NUNITS (expr); i++)
e913b5cd 179 TREE_INT_CST_ELT (expr, i) = bp_unpack_var_len_int (bp);
42603940 180}
181
182
2541503d 183/* Unpack all the non-pointer fields of the TS_REAL_CST structure of
184 expression EXPR from bitpack BP. */
185
186static void
187unpack_ts_real_cst_value_fields (struct bitpack_d *bp, tree expr)
188{
189 unsigned i;
190 REAL_VALUE_TYPE r;
191 REAL_VALUE_TYPE *rp;
192
2b8335eb 193 /* Clear all bits of the real value type so that we can later do
194 bitwise comparisons to see if two values are the same. */
195 memset (&r, 0, sizeof r);
2541503d 196 r.cl = (unsigned) bp_unpack_value (bp, 2);
197 r.decimal = (unsigned) bp_unpack_value (bp, 1);
198 r.sign = (unsigned) bp_unpack_value (bp, 1);
199 r.signalling = (unsigned) bp_unpack_value (bp, 1);
200 r.canonical = (unsigned) bp_unpack_value (bp, 1);
201 r.uexp = (unsigned) bp_unpack_value (bp, EXP_BITS);
202 for (i = 0; i < SIGSZ; i++)
203 r.sig[i] = (unsigned long) bp_unpack_value (bp, HOST_BITS_PER_LONG);
204
25a27413 205 rp = ggc_alloc<real_value> ();
2541503d 206 memcpy (rp, &r, sizeof (REAL_VALUE_TYPE));
207 TREE_REAL_CST_PTR (expr) = rp;
208}
209
210
211/* Unpack all the non-pointer fields of the TS_FIXED_CST structure of
212 expression EXPR from bitpack BP. */
213
214static void
215unpack_ts_fixed_cst_value_fields (struct bitpack_d *bp, tree expr)
216{
25a27413 217 FIXED_VALUE_TYPE *fp = ggc_alloc<fixed_value> ();
af71096c 218 fp->mode = as_a <scalar_mode> (bp_unpack_machine_mode (bp));
0920ab59 219 fp->data.low = bp_unpack_var_len_int (bp);
220 fp->data.high = bp_unpack_var_len_int (bp);
221 TREE_FIXED_CST_PTR (expr) = fp;
2541503d 222}
223
2541503d 224/* Unpack all the non-pointer fields of the TS_DECL_COMMON structure
225 of expression EXPR from bitpack BP. */
226
227static void
228unpack_ts_decl_common_value_fields (struct bitpack_d *bp, tree expr)
229{
adc78298 230 SET_DECL_MODE (expr, bp_unpack_machine_mode (bp));
2541503d 231 DECL_NONLOCAL (expr) = (unsigned) bp_unpack_value (bp, 1);
232 DECL_VIRTUAL_P (expr) = (unsigned) bp_unpack_value (bp, 1);
233 DECL_IGNORED_P (expr) = (unsigned) bp_unpack_value (bp, 1);
16d41ae2 234 DECL_ABSTRACT_P (expr) = (unsigned) bp_unpack_value (bp, 1);
2541503d 235 DECL_ARTIFICIAL (expr) = (unsigned) bp_unpack_value (bp, 1);
236 DECL_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, 1);
237 DECL_PRESERVE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
2541503d 238 DECL_EXTERNAL (expr) = (unsigned) bp_unpack_value (bp, 1);
239 DECL_GIMPLE_REG_P (expr) = (unsigned) bp_unpack_value (bp, 1);
5d4b30ea 240 SET_DECL_ALIGN (expr, (unsigned) bp_unpack_var_len_unsigned (bp));
41971a20 241#ifdef ACCEL_COMPILER
242 if (DECL_ALIGN (expr) > targetm.absolute_biggest_alignment)
5d4b30ea 243 SET_DECL_ALIGN (expr, targetm.absolute_biggest_alignment);
41971a20 244#endif
2541503d 245 if (TREE_CODE (expr) == LABEL_DECL)
246 {
2541503d 247 EH_LANDING_PAD_NR (expr) = (int) bp_unpack_var_len_unsigned (bp);
248
249 /* Always assume an initial value of -1 for LABEL_DECL_UID to
250 force gimple_set_bb to recreate label_to_block_map. */
251 LABEL_DECL_UID (expr) = -1;
252 }
253
1fc5e56f 254 else if (TREE_CODE (expr) == FIELD_DECL)
2541503d 255 {
256 DECL_PACKED (expr) = (unsigned) bp_unpack_value (bp, 1);
257 DECL_NONADDRESSABLE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
532d84ff 258 DECL_PADDING_P (expr) = (unsigned) bp_unpack_value (bp, 1);
2541503d 259 expr->decl_common.off_align = bp_unpack_value (bp, 8);
260 }
261
1fc5e56f 262 else if (VAR_P (expr))
8e966116 263 {
264 DECL_HAS_DEBUG_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
265 DECL_NONLOCAL_FRAME (expr) = (unsigned) bp_unpack_value (bp, 1);
266 }
05c14132 267
1fc5e56f 268 else if (TREE_CODE (expr) == PARM_DECL)
269 DECL_HIDDEN_STRING_LENGTH (expr) = (unsigned) bp_unpack_value (bp, 1);
270
2541503d 271 if (TREE_CODE (expr) == RESULT_DECL
272 || TREE_CODE (expr) == PARM_DECL
53e9c5c4 273 || VAR_P (expr))
2541503d 274 {
275 DECL_BY_REFERENCE (expr) = (unsigned) bp_unpack_value (bp, 1);
53e9c5c4 276 if (VAR_P (expr) || TREE_CODE (expr) == PARM_DECL)
2541503d 277 DECL_HAS_VALUE_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
2541503d 278 }
279}
280
281
282/* Unpack all the non-pointer fields of the TS_DECL_WRTL structure
283 of expression EXPR from bitpack BP. */
284
285static void
286unpack_ts_decl_wrtl_value_fields (struct bitpack_d *bp, tree expr)
287{
288 DECL_REGISTER (expr) = (unsigned) bp_unpack_value (bp, 1);
289}
290
291
292/* Unpack all the non-pointer fields of the TS_DECL_WITH_VIS structure
293 of expression EXPR from bitpack BP. */
294
295static void
296unpack_ts_decl_with_vis_value_fields (struct bitpack_d *bp, tree expr)
297{
2541503d 298 DECL_COMMON (expr) = (unsigned) bp_unpack_value (bp, 1);
299 DECL_DLLIMPORT_P (expr) = (unsigned) bp_unpack_value (bp, 1);
300 DECL_WEAK (expr) = (unsigned) bp_unpack_value (bp, 1);
301 DECL_SEEN_IN_BIND_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
302 DECL_COMDAT (expr) = (unsigned) bp_unpack_value (bp, 1);
303 DECL_VISIBILITY (expr) = (enum symbol_visibility) bp_unpack_value (bp, 2);
304 DECL_VISIBILITY_SPECIFIED (expr) = (unsigned) bp_unpack_value (bp, 1);
305
53e9c5c4 306 if (VAR_P (expr))
2541503d 307 {
308 DECL_HARD_REGISTER (expr) = (unsigned) bp_unpack_value (bp, 1);
2541503d 309 DECL_IN_CONSTANT_POOL (expr) = (unsigned) bp_unpack_value (bp, 1);
2541503d 310 }
311
2d9cc481 312 if (TREE_CODE (expr) == FUNCTION_DECL)
313 {
314 DECL_FINAL_P (expr) = (unsigned) bp_unpack_value (bp, 1);
315 DECL_CXX_CONSTRUCTOR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
316 DECL_CXX_DESTRUCTOR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
317 }
2541503d 318}
319
320
321/* Unpack all the non-pointer fields of the TS_FUNCTION_DECL structure
322 of expression EXPR from bitpack BP. */
323
324static void
325unpack_ts_function_decl_value_fields (struct bitpack_d *bp, tree expr)
326{
d1170f8d 327 built_in_class cl = bp_unpack_enum (bp, built_in_class, BUILT_IN_LAST);
2541503d 328 DECL_STATIC_CONSTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, 1);
329 DECL_STATIC_DESTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, 1);
330 DECL_UNINLINABLE (expr) = (unsigned) bp_unpack_value (bp, 1);
331 DECL_POSSIBLY_INLINED (expr) = (unsigned) bp_unpack_value (bp, 1);
332 DECL_IS_NOVOPS (expr) = (unsigned) bp_unpack_value (bp, 1);
333 DECL_IS_RETURNS_TWICE (expr) = (unsigned) bp_unpack_value (bp, 1);
334 DECL_IS_MALLOC (expr) = (unsigned) bp_unpack_value (bp, 1);
92e4277c 335 DECL_SET_IS_OPERATOR_NEW (expr, (unsigned) bp_unpack_value (bp, 1));
4ee64e30 336 DECL_SET_IS_OPERATOR_DELETE (expr, (unsigned) bp_unpack_value (bp, 1));
2541503d 337 DECL_DECLARED_INLINE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
338 DECL_STATIC_CHAIN (expr) = (unsigned) bp_unpack_value (bp, 1);
339 DECL_NO_INLINE_WARNING_P (expr) = (unsigned) bp_unpack_value (bp, 1);
340 DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (expr)
341 = (unsigned) bp_unpack_value (bp, 1);
342 DECL_NO_LIMIT_STACK (expr) = (unsigned) bp_unpack_value (bp, 1);
343 DECL_DISREGARD_INLINE_LIMITS (expr) = (unsigned) bp_unpack_value (bp, 1);
344 DECL_PURE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
345 DECL_LOOPING_CONST_OR_PURE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
d1170f8d 346 unsigned int fcode = 0;
347 if (cl != NOT_BUILT_IN)
2541503d 348 {
d1170f8d 349 fcode = bp_unpack_value (bp, 32);
350 if (cl == BUILT_IN_NORMAL && fcode >= END_BUILTINS)
c05be867 351 fatal_error (input_location,
352 "machine independent builtin code out of range");
d1170f8d 353 else if (cl == BUILT_IN_MD)
2541503d 354 {
d1170f8d 355 tree result = targetm.builtin_decl (fcode, true);
2541503d 356 if (!result || result == error_mark_node)
c05be867 357 fatal_error (input_location,
358 "target specific builtin not available");
2541503d 359 }
360 }
d1170f8d 361 set_decl_built_in_function (expr, cl, fcode);
2541503d 362}
363
364
365/* Unpack all the non-pointer fields of the TS_TYPE_COMMON structure
366 of expression EXPR from bitpack BP. */
367
368static void
369unpack_ts_type_common_value_fields (struct bitpack_d *bp, tree expr)
370{
3754d046 371 machine_mode mode;
2541503d 372
2e971afd 373 mode = bp_unpack_machine_mode (bp);
2541503d 374 SET_TYPE_MODE (expr, mode);
cb274227 375 /* TYPE_NO_FORCE_BLK is private to stor-layout and need
376 no streaming. */
c4fd99ee 377 TYPE_PACKED (expr) = (unsigned) bp_unpack_value (bp, 1);
378 TYPE_RESTRICT (expr) = (unsigned) bp_unpack_value (bp, 1);
379 TYPE_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, 1);
380 TYPE_READONLY (expr) = (unsigned) bp_unpack_value (bp, 1);
2541503d 381 if (RECORD_OR_UNION_TYPE_P (expr))
2d9cc481 382 {
383 TYPE_TRANSPARENT_AGGR (expr) = (unsigned) bp_unpack_value (bp, 1);
384 TYPE_FINAL_P (expr) = (unsigned) bp_unpack_value (bp, 1);
aaabc7bc 385 TYPE_CXX_ODR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
2d9cc481 386 }
f7fa455c 387 else if (TREE_CODE (expr) == ARRAY_TYPE)
388 TYPE_NONALIASED_COMPONENT (expr) = (unsigned) bp_unpack_value (bp, 1);
aaabc7bc 389 if (TREE_CODE (expr) == ARRAY_TYPE || TREE_CODE (expr) == INTEGER_TYPE)
390 TYPE_STRING_FLAG (expr) = (unsigned) bp_unpack_value (bp, 1);
3721b151 391 if (AGGREGATE_TYPE_P (expr))
392 TYPE_TYPELESS_STORAGE (expr) = (unsigned) bp_unpack_value (bp, 1);
532d84ff 393 TYPE_EMPTY_P (expr) = (unsigned) bp_unpack_value (bp, 1);
2541503d 394 TYPE_PRECISION (expr) = bp_unpack_var_len_unsigned (bp);
5d4b30ea 395 SET_TYPE_ALIGN (expr, bp_unpack_var_len_unsigned (bp));
41971a20 396#ifdef ACCEL_COMPILER
397 if (TYPE_ALIGN (expr) > targetm.absolute_biggest_alignment)
5d4b30ea 398 SET_TYPE_ALIGN (expr, targetm.absolute_biggest_alignment);
41971a20 399#endif
2541503d 400}
401
402
403/* Unpack all the non-pointer fields of the TS_BLOCK structure
404 of expression EXPR from bitpack BP. */
405
406static void
2e966e2a 407unpack_ts_block_value_fields (class data_in *data_in,
ec180527 408 struct bitpack_d *bp, tree expr)
2541503d 409{
2541503d 410 /* BLOCK_NUMBER is recomputed. */
da6f3259 411 stream_input_location (&BLOCK_SOURCE_LOCATION (expr), bp, data_in);
2541503d 412}
413
414/* Unpack all the non-pointer fields of the TS_TRANSLATION_UNIT_DECL
415 structure of expression EXPR from bitpack BP. */
416
417static void
2e966e2a 418unpack_ts_translation_unit_decl_value_fields (class data_in *data_in,
07de37ab 419 struct bitpack_d *bp, tree expr)
2541503d 420{
07de37ab 421 TRANSLATION_UNIT_LANGUAGE (expr) = xstrdup (bp_unpack_string (data_in, bp));
f1f41a6c 422 vec_safe_push (all_translation_units, expr);
2541503d 423}
424
51136fa7 425
fe3e3369 426/* Unpack all the non-pointer fields of the TS_OMP_CLAUSE
427 structure of expression EXPR from bitpack BP. */
428
429static void
2e966e2a 430unpack_ts_omp_clause_value_fields (class data_in *data_in,
fe3e3369 431 struct bitpack_d *bp, tree expr)
432{
da6f3259 433 stream_input_location (&OMP_CLAUSE_LOCATION (expr), bp, data_in);
fe3e3369 434 switch (OMP_CLAUSE_CODE (expr))
435 {
436 case OMP_CLAUSE_DEFAULT:
437 OMP_CLAUSE_DEFAULT_KIND (expr)
438 = bp_unpack_enum (bp, omp_clause_default_kind,
439 OMP_CLAUSE_DEFAULT_LAST);
440 break;
441 case OMP_CLAUSE_SCHEDULE:
442 OMP_CLAUSE_SCHEDULE_KIND (expr)
443 = bp_unpack_enum (bp, omp_clause_schedule_kind,
444 OMP_CLAUSE_SCHEDULE_LAST);
445 break;
446 case OMP_CLAUSE_DEPEND:
447 OMP_CLAUSE_DEPEND_KIND (expr)
448 = bp_unpack_enum (bp, omp_clause_depend_kind, OMP_CLAUSE_DEPEND_LAST);
449 break;
450 case OMP_CLAUSE_MAP:
ca4c3545 451 OMP_CLAUSE_SET_MAP_KIND (expr, bp_unpack_enum (bp, gomp_map_kind,
452 GOMP_MAP_LAST));
fe3e3369 453 break;
454 case OMP_CLAUSE_PROC_BIND:
455 OMP_CLAUSE_PROC_BIND_KIND (expr)
456 = bp_unpack_enum (bp, omp_clause_proc_bind_kind,
457 OMP_CLAUSE_PROC_BIND_LAST);
458 break;
459 case OMP_CLAUSE_REDUCTION:
7e5a76c8 460 case OMP_CLAUSE_TASK_REDUCTION:
461 case OMP_CLAUSE_IN_REDUCTION:
fe3e3369 462 OMP_CLAUSE_REDUCTION_CODE (expr)
463 = bp_unpack_enum (bp, tree_code, MAX_TREE_CODES);
464 break;
465 default:
466 break;
467 }
468}
469
2541503d 470
c76dc468 471/* Read all the language-independent bitfield values for EXPR from IB.
472 Return the partially unpacked bitpack so the caller can unpack any other
473 bitfield values that the writer may have written. */
474
205b5601 475void
2e966e2a 476streamer_read_tree_bitfields (class lto_input_block *ib,
477 class data_in *data_in, tree expr)
2541503d 478{
479 enum tree_code code;
c76dc468 480 struct bitpack_d bp;
481
482 /* Read the bitpack of non-pointer values from IB. */
483 bp = streamer_read_bitpack (ib);
2541503d 484
c76dc468 485 /* The first word in BP contains the code of the tree that we
486 are about to read. */
487 code = (enum tree_code) bp_unpack_value (&bp, 16);
488 lto_tag_check (lto_tree_code_to_tag (code),
489 lto_tree_code_to_tag (TREE_CODE (expr)));
2541503d 490
491 /* Note that all these functions are highly sensitive to changes in
492 the types and sizes of each of the fields being packed. */
c76dc468 493 unpack_ts_base_value_fields (&bp, expr);
2541503d 494
42603940 495 if (CODE_CONTAINS_STRUCT (code, TS_INT_CST))
c76dc468 496 unpack_ts_int_cst_value_fields (&bp, expr);
42603940 497
2541503d 498 if (CODE_CONTAINS_STRUCT (code, TS_REAL_CST))
c76dc468 499 unpack_ts_real_cst_value_fields (&bp, expr);
2541503d 500
501 if (CODE_CONTAINS_STRUCT (code, TS_FIXED_CST))
c76dc468 502 unpack_ts_fixed_cst_value_fields (&bp, expr);
2541503d 503
ec180527 504 if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL))
da6f3259 505 stream_input_location (&DECL_SOURCE_LOCATION (expr), &bp, data_in);
ec180527 506
2541503d 507 if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
c76dc468 508 unpack_ts_decl_common_value_fields (&bp, expr);
2541503d 509
510 if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL))
c76dc468 511 unpack_ts_decl_wrtl_value_fields (&bp, expr);
2541503d 512
513 if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
c76dc468 514 unpack_ts_decl_with_vis_value_fields (&bp, expr);
2541503d 515
516 if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL))
c76dc468 517 unpack_ts_function_decl_value_fields (&bp, expr);
2541503d 518
519 if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON))
c76dc468 520 unpack_ts_type_common_value_fields (&bp, expr);
2541503d 521
ec180527 522 if (CODE_CONTAINS_STRUCT (code, TS_EXP))
62b0a610 523 {
da6f3259 524 stream_input_location (&EXPR_CHECK (expr)->exp.locus, &bp, data_in);
62b0a610 525 if (code == MEM_REF
526 || code == TARGET_MEM_REF)
527 {
528 MR_DEPENDENCE_CLIQUE (expr)
c76dc468 529 = (unsigned)bp_unpack_value (&bp, sizeof (short) * 8);
62b0a610 530 if (MR_DEPENDENCE_CLIQUE (expr) != 0)
531 MR_DEPENDENCE_BASE (expr)
c76dc468 532 = (unsigned)bp_unpack_value (&bp, sizeof (short) * 8);
62b0a610 533 }
eff71cfb 534 else if (code == CALL_EXPR)
535 CALL_EXPR_IFN (expr) = bp_unpack_enum (&bp, internal_fn, IFN_LAST);
62b0a610 536 }
ec180527 537
2541503d 538 if (CODE_CONTAINS_STRUCT (code, TS_BLOCK))
c76dc468 539 unpack_ts_block_value_fields (data_in, &bp, expr);
2541503d 540
541 if (CODE_CONTAINS_STRUCT (code, TS_TRANSLATION_UNIT_DECL))
c76dc468 542 unpack_ts_translation_unit_decl_value_fields (data_in, &bp, expr);
51136fa7 543
51136fa7 544 if (CODE_CONTAINS_STRUCT (code, TS_OPTIMIZATION))
6848a0ae 545 cl_optimization_stream_in (data_in, &bp, TREE_OPTIMIZATION (expr));
e41fac10 546
e41fac10 547 if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR))
548 {
c76dc468 549 unsigned HOST_WIDE_INT length = bp_unpack_var_len_unsigned (&bp);
e41fac10 550 if (length > 0)
f1f41a6c 551 vec_safe_grow (CONSTRUCTOR_ELTS (expr), length);
e41fac10 552 }
fe3e3369 553
ba000093 554#ifndef ACCEL_COMPILER
ab90b67e 555 if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION))
ff7cb116 556 {
557 cl_target_option_stream_in (data_in, &bp, TREE_TARGET_OPTION (expr));
558 if (targetm.target_option.post_stream_in)
559 targetm.target_option.post_stream_in (TREE_TARGET_OPTION (expr));
560 }
ba000093 561#endif
ab90b67e 562
fe3e3369 563 if (code == OMP_CLAUSE)
c76dc468 564 unpack_ts_omp_clause_value_fields (data_in, &bp, expr);
2541503d 565}
566
567
568/* Materialize a new tree from input block IB using descriptors in
569 DATA_IN. The code for the new tree should match TAG. Store in
570 *IX_P the index into the reader cache where the new tree is stored. */
571
515cf651 572tree
2e966e2a 573streamer_alloc_tree (class lto_input_block *ib, class data_in *data_in,
7f385784 574 enum LTO_tags tag)
2541503d 575{
2541503d 576 enum tree_code code;
577 tree result;
2541503d 578
579 result = NULL_TREE;
580
2541503d 581 code = lto_tag_to_tree_code (tag);
582
583 /* We should never see an SSA_NAME tree. Only the version numbers of
584 SSA names are ever written out. See input_ssa_names. */
585 gcc_assert (code != SSA_NAME);
586
587 /* Instantiate a new tree using the header data. */
588 if (CODE_CONTAINS_STRUCT (code, TS_STRING))
7f385784 589 result = streamer_read_string_cst (data_in, ib);
2541503d 590 else if (CODE_CONTAINS_STRUCT (code, TS_IDENTIFIER))
591 result = input_identifier (data_in, ib);
592 else if (CODE_CONTAINS_STRUCT (code, TS_VEC))
593 {
7f385784 594 HOST_WIDE_INT len = streamer_read_hwi (ib);
2541503d 595 result = make_tree_vec (len);
596 }
fadf62f4 597 else if (CODE_CONTAINS_STRUCT (code, TS_VECTOR))
598 {
998afe5d 599 bitpack_d bp = streamer_read_bitpack (ib);
600 unsigned int log2_npatterns = bp_unpack_value (&bp, 8);
601 unsigned int nelts_per_pattern = bp_unpack_value (&bp, 8);
602 result = make_vector (log2_npatterns, nelts_per_pattern);
fadf62f4 603 }
2541503d 604 else if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
605 {
7f385784 606 unsigned HOST_WIDE_INT len = streamer_read_uhwi (ib);
2541503d 607 result = make_tree_binfo (len);
608 }
e913b5cd 609 else if (CODE_CONTAINS_STRUCT (code, TS_INT_CST))
610 {
611 unsigned HOST_WIDE_INT len = streamer_read_uhwi (ib);
271e739a 612 unsigned HOST_WIDE_INT ext_len = streamer_read_uhwi (ib);
613 result = make_int_cst (len, ext_len);
e913b5cd 614 }
515cf651 615 else if (code == CALL_EXPR)
616 {
7f385784 617 unsigned HOST_WIDE_INT nargs = streamer_read_uhwi (ib);
515cf651 618 return build_vl_exp (CALL_EXPR, nargs + 3);
619 }
fe3e3369 620 else if (code == OMP_CLAUSE)
621 {
622 enum omp_clause_code subcode
623 = (enum omp_clause_code) streamer_read_uhwi (ib);
624 return build_omp_clause (UNKNOWN_LOCATION, subcode);
625 }
2541503d 626 else
627 {
515cf651 628 /* For all other nodes, materialize the tree with a raw
2541503d 629 make_node call. */
515cf651 630 result = make_node (code);
2541503d 631 }
632
2541503d 633 return result;
634}
635
636
637/* Read all pointer fields in the TS_COMMON structure of EXPR from input
638 block IB. DATA_IN contains tables and descriptors for the
639 file being read. */
640
641
642static void
2e966e2a 643lto_input_ts_common_tree_pointers (class lto_input_block *ib,
644 class data_in *data_in, tree expr)
2541503d 645{
646 if (TREE_CODE (expr) != IDENTIFIER_NODE)
515cf651 647 TREE_TYPE (expr) = stream_read_tree (ib, data_in);
2541503d 648}
649
650
651/* Read all pointer fields in the TS_VECTOR structure of EXPR from input
652 block IB. DATA_IN contains tables and descriptors for the
653 file being read. */
654
655static void
2e966e2a 656lto_input_ts_vector_tree_pointers (class lto_input_block *ib,
657 class data_in *data_in, tree expr)
2541503d 658{
998afe5d 659 unsigned int count = vector_cst_encoded_nelts (expr);
660 for (unsigned int i = 0; i < count; ++i)
661 VECTOR_CST_ENCODED_ELT (expr, i) = stream_read_tree (ib, data_in);
2541503d 662}
663
664
8672ee56 665/* Read all pointer fields in the TS_POLY_INT_CST structure of EXPR from
666 input block IB. DATA_IN contains tables and descriptors for the
667 file being read. */
668
669static void
2e966e2a 670lto_input_ts_poly_tree_pointers (class lto_input_block *ib,
671 class data_in *data_in, tree expr)
8672ee56 672{
673 for (unsigned int i = 0; i < NUM_POLY_INT_COEFFS; ++i)
674 POLY_INT_CST_COEFF (expr, i) = stream_read_tree (ib, data_in);
675}
676
677
2541503d 678/* Read all pointer fields in the TS_COMPLEX structure of EXPR from input
679 block IB. DATA_IN contains tables and descriptors for the
680 file being read. */
681
682static void
2e966e2a 683lto_input_ts_complex_tree_pointers (class lto_input_block *ib,
684 class data_in *data_in, tree expr)
2541503d 685{
515cf651 686 TREE_REALPART (expr) = stream_read_tree (ib, data_in);
687 TREE_IMAGPART (expr) = stream_read_tree (ib, data_in);
2541503d 688}
689
690
691/* Read all pointer fields in the TS_DECL_MINIMAL structure of EXPR
692 from input block IB. DATA_IN contains tables and descriptors for the
693 file being read. */
694
695static void
2e966e2a 696lto_input_ts_decl_minimal_tree_pointers (class lto_input_block *ib,
697 class data_in *data_in, tree expr)
2541503d 698{
515cf651 699 DECL_NAME (expr) = stream_read_tree (ib, data_in);
700 DECL_CONTEXT (expr) = stream_read_tree (ib, data_in);
2541503d 701}
702
703
704/* Read all pointer fields in the TS_DECL_COMMON structure of EXPR from
705 input block IB. DATA_IN contains tables and descriptors for the
706 file being read. */
707
708static void
2e966e2a 709lto_input_ts_decl_common_tree_pointers (class lto_input_block *ib,
710 class data_in *data_in, tree expr)
2541503d 711{
515cf651 712 DECL_SIZE (expr) = stream_read_tree (ib, data_in);
713 DECL_SIZE_UNIT (expr) = stream_read_tree (ib, data_in);
714 DECL_ATTRIBUTES (expr) = stream_read_tree (ib, data_in);
7b53e714 715 DECL_ABSTRACT_ORIGIN (expr) = stream_read_tree (ib, data_in);
2541503d 716
53e9c5c4 717 if ((VAR_P (expr) || TREE_CODE (expr) == PARM_DECL)
2541503d 718 && DECL_HAS_VALUE_EXPR_P (expr))
515cf651 719 SET_DECL_VALUE_EXPR (expr, stream_read_tree (ib, data_in));
2541503d 720
8ef2a99e 721 if (VAR_P (expr)
722 && DECL_HAS_DEBUG_EXPR_P (expr))
2541503d 723 {
515cf651 724 tree dexpr = stream_read_tree (ib, data_in);
2541503d 725 if (dexpr)
726 SET_DECL_DEBUG_EXPR (expr, dexpr);
727 }
728}
729
730
731/* Read all pointer fields in the TS_DECL_NON_COMMON structure of
732 EXPR from input block IB. DATA_IN contains tables and descriptors for the
733 file being read. */
734
735static void
2e966e2a 736lto_input_ts_decl_non_common_tree_pointers (class lto_input_block *,
737 class data_in *, tree)
2541503d 738{
2541503d 739}
740
741
742/* Read all pointer fields in the TS_DECL_WITH_VIS structure of EXPR
743 from input block IB. DATA_IN contains tables and descriptors for the
744 file being read. */
745
746static void
2e966e2a 747lto_input_ts_decl_with_vis_tree_pointers (class lto_input_block *ib,
748 class data_in *data_in, tree expr)
2541503d 749{
750 tree id;
751
515cf651 752 id = stream_read_tree (ib, data_in);
2541503d 753 if (id)
754 {
755 gcc_assert (TREE_CODE (id) == IDENTIFIER_NODE);
756 SET_DECL_ASSEMBLER_NAME (expr, id);
757 }
2541503d 758}
759
760
761/* Read all pointer fields in the TS_FIELD_DECL structure of EXPR from
762 input block IB. DATA_IN contains tables and descriptors for the
763 file being read. */
764
765static void
2e966e2a 766lto_input_ts_field_decl_tree_pointers (class lto_input_block *ib,
767 class data_in *data_in, tree expr)
2541503d 768{
515cf651 769 DECL_FIELD_OFFSET (expr) = stream_read_tree (ib, data_in);
770 DECL_BIT_FIELD_TYPE (expr) = stream_read_tree (ib, data_in);
8d8a34f9 771 DECL_BIT_FIELD_REPRESENTATIVE (expr) = stream_read_tree (ib, data_in);
515cf651 772 DECL_FIELD_BIT_OFFSET (expr) = stream_read_tree (ib, data_in);
2541503d 773}
774
775
776/* Read all pointer fields in the TS_FUNCTION_DECL structure of EXPR
777 from input block IB. DATA_IN contains tables and descriptors for the
778 file being read. */
779
780static void
2e966e2a 781lto_input_ts_function_decl_tree_pointers (class lto_input_block *ib,
782 class data_in *data_in, tree expr)
2541503d 783{
9c2e58d0 784 /* DECL_STRUCT_FUNCTION is loaded on demand by cgraph_get_body. */
515cf651 785 DECL_FUNCTION_PERSONALITY (expr) = stream_read_tree (ib, data_in);
ba000093 786#ifndef ACCEL_COMPILER
73527b1d 787 DECL_FUNCTION_SPECIFIC_TARGET (expr) = stream_read_tree (ib, data_in);
ba000093 788#endif
515cf651 789 DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr) = stream_read_tree (ib, data_in);
540d473e 790#ifdef ACCEL_COMPILER
791 {
792 tree opts = DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr);
793 if (opts)
794 {
795 struct gcc_options tmp;
796 init_options_struct (&tmp, NULL);
797 cl_optimization_restore (&tmp, TREE_OPTIMIZATION (opts));
798 finish_options (&tmp, &global_options_set, UNKNOWN_LOCATION);
799 opts = build_optimization_node (&tmp);
800 finalize_options_struct (&tmp);
801 DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr) = opts;
802 }
803 }
804#endif
2541503d 805
806 /* If the file contains a function with an EH personality set,
807 then it was compiled with -fexceptions. In that case, initialize
808 the backend EH machinery. */
809 if (DECL_FUNCTION_PERSONALITY (expr))
810 lto_init_eh ();
811}
812
813
814/* Read all pointer fields in the TS_TYPE_COMMON structure of EXPR from
815 input block IB. DATA_IN contains tables and descriptors for the file
816 being read. */
817
818static void
2e966e2a 819lto_input_ts_type_common_tree_pointers (class lto_input_block *ib,
820 class data_in *data_in, tree expr)
2541503d 821{
c7be6601 822 TYPE_SIZE (expr) = stream_read_tree (ib, data_in);
823 TYPE_SIZE_UNIT (expr) = stream_read_tree (ib, data_in);
824 TYPE_ATTRIBUTES (expr) = stream_read_tree (ib, data_in);
515cf651 825 TYPE_NAME (expr) = stream_read_tree (ib, data_in);
2541503d 826 /* Do not stream TYPE_POINTER_TO or TYPE_REFERENCE_TO. They will be
827 reconstructed during fixup. */
828 /* Do not stream TYPE_NEXT_VARIANT, we reconstruct the variant lists
829 during fixup. */
c7be6601 830 TYPE_MAIN_VARIANT (expr) = stream_read_tree (ib, data_in);
831 TYPE_CONTEXT (expr) = stream_read_tree (ib, data_in);
2541503d 832 /* TYPE_CANONICAL gets re-computed during type merging. */
833 TYPE_CANONICAL (expr) = NULL_TREE;
2541503d 834}
835
836/* Read all pointer fields in the TS_TYPE_NON_COMMON structure of EXPR
837 from input block IB. DATA_IN contains tables and descriptors for the
838 file being read. */
839
840static void
2e966e2a 841lto_input_ts_type_non_common_tree_pointers (class lto_input_block *ib,
842 class data_in *data_in,
2541503d 843 tree expr)
844{
c7be6601 845 if (TREE_CODE (expr) == ENUMERAL_TYPE)
846 TYPE_VALUES (expr) = stream_read_tree (ib, data_in);
847 else if (TREE_CODE (expr) == ARRAY_TYPE)
848 TYPE_DOMAIN (expr) = stream_read_tree (ib, data_in);
849 else if (RECORD_OR_UNION_TYPE_P (expr))
93784f3f 850 TYPE_FIELDS (expr) = streamer_read_chain (ib, data_in);
2541503d 851 else if (TREE_CODE (expr) == FUNCTION_TYPE
c7be6601 852 || TREE_CODE (expr) == METHOD_TYPE)
515cf651 853 TYPE_ARG_TYPES (expr) = stream_read_tree (ib, data_in);
c7be6601 854
855 if (!POINTER_TYPE_P (expr))
c6f56d33 856 TYPE_MIN_VALUE_RAW (expr) = stream_read_tree (ib, data_in);
857 TYPE_MAX_VALUE_RAW (expr) = stream_read_tree (ib, data_in);
2541503d 858}
859
860
861/* Read all pointer fields in the TS_LIST structure of EXPR from input
862 block IB. DATA_IN contains tables and descriptors for the
863 file being read. */
864
865static void
2e966e2a 866lto_input_ts_list_tree_pointers (class lto_input_block *ib,
867 class data_in *data_in, tree expr)
2541503d 868{
515cf651 869 TREE_PURPOSE (expr) = stream_read_tree (ib, data_in);
870 TREE_VALUE (expr) = stream_read_tree (ib, data_in);
8ceff600 871 TREE_CHAIN (expr) = stream_read_tree (ib, data_in);
2541503d 872}
873
874
875/* Read all pointer fields in the TS_VEC structure of EXPR from input
876 block IB. DATA_IN contains tables and descriptors for the
877 file being read. */
878
879static void
2e966e2a 880lto_input_ts_vec_tree_pointers (class lto_input_block *ib,
881 class data_in *data_in, tree expr)
2541503d 882{
883 int i;
884
7f385784 885 /* Note that TREE_VEC_LENGTH was read by streamer_alloc_tree to
2541503d 886 instantiate EXPR. */
887 for (i = 0; i < TREE_VEC_LENGTH (expr); i++)
515cf651 888 TREE_VEC_ELT (expr, i) = stream_read_tree (ib, data_in);
2541503d 889}
890
891
892/* Read all pointer fields in the TS_EXP structure of EXPR from input
893 block IB. DATA_IN contains tables and descriptors for the
894 file being read. */
895
896
897static void
2e966e2a 898lto_input_ts_exp_tree_pointers (class lto_input_block *ib,
899 class data_in *data_in, tree expr)
2541503d 900{
e41fac10 901 int i;
da6f3259 902 tree block;
2541503d 903
e41fac10 904 for (i = 0; i < TREE_OPERAND_LENGTH (expr); i++)
515cf651 905 TREE_OPERAND (expr, i) = stream_read_tree (ib, data_in);
2541503d 906
da6f3259 907 block = stream_read_tree (ib, data_in);
908
909 /* TODO: Block is stored in the locus information. It may make more sense to
910 to make it go via the location cache. */
911 if (block)
912 {
913 data_in->location_cache.apply_location_cache ();
914 TREE_SET_BLOCK (expr, block);
915 }
2541503d 916}
917
918
919/* Read all pointer fields in the TS_BLOCK structure of EXPR from input
920 block IB. DATA_IN contains tables and descriptors for the
921 file being read. */
922
923static void
2e966e2a 924lto_input_ts_block_tree_pointers (class lto_input_block *ib,
925 class data_in *data_in, tree expr)
2541503d 926{
7f385784 927 BLOCK_VARS (expr) = streamer_read_chain (ib, data_in);
2541503d 928
515cf651 929 BLOCK_SUPERCONTEXT (expr) = stream_read_tree (ib, data_in);
ae52f82e 930 BLOCK_ABSTRACT_ORIGIN (expr) = stream_read_tree (ib, data_in);
3154f402 931 /* We may end up prevailing a decl with DECL_ORIGIN (t) != t here
932 which breaks the invariant that BLOCK_ABSTRACT_ORIGIN is the
933 ultimate origin. Fixup here.
934 ??? This should get fixed with moving to DIE references. */
935 if (DECL_P (BLOCK_ORIGIN (expr)))
936 BLOCK_ABSTRACT_ORIGIN (expr) = DECL_ORIGIN (BLOCK_ABSTRACT_ORIGIN (expr));
ae52f82e 937 /* Do not stream BLOCK_NONLOCALIZED_VARS. We cannot handle debug information
938 for early inlined BLOCKs so drop it on the floor instead of ICEing in
939 dwarf2out.c. */
940
941 /* BLOCK_FRAGMENT_ORIGIN and BLOCK_FRAGMENT_CHAIN is not live at LTO
942 streaming time. */
2541503d 943
944 /* We re-compute BLOCK_SUBBLOCKS of our parent here instead
945 of streaming it. For non-BLOCK BLOCK_SUPERCONTEXTs we still
946 stream the child relationship explicitly. */
947 if (BLOCK_SUPERCONTEXT (expr)
948 && TREE_CODE (BLOCK_SUPERCONTEXT (expr)) == BLOCK)
949 {
950 BLOCK_CHAIN (expr) = BLOCK_SUBBLOCKS (BLOCK_SUPERCONTEXT (expr));
951 BLOCK_SUBBLOCKS (BLOCK_SUPERCONTEXT (expr)) = expr;
952 }
953
954 /* The global block is rooted at the TU decl. Hook it here to
955 avoid the need to stream in this block during WPA time. */
956 else if (BLOCK_SUPERCONTEXT (expr)
957 && TREE_CODE (BLOCK_SUPERCONTEXT (expr)) == TRANSLATION_UNIT_DECL)
958 DECL_INITIAL (BLOCK_SUPERCONTEXT (expr)) = expr;
959
960 /* The function-level block is connected at the time we read in
961 function bodies for the same reason. */
962}
963
964
965/* Read all pointer fields in the TS_BINFO structure of EXPR from input
966 block IB. DATA_IN contains tables and descriptors for the
967 file being read. */
968
969static void
2e966e2a 970lto_input_ts_binfo_tree_pointers (class lto_input_block *ib,
971 class data_in *data_in, tree expr)
2541503d 972{
2541503d 973 tree t;
974
975 /* Note that the number of slots in EXPR was read in
7f385784 976 streamer_alloc_tree when instantiating EXPR. However, the
f1f41a6c 977 vector is empty so we cannot rely on vec::length to know how many
2541503d 978 elements to read. So, this list is emitted as a 0-terminated
979 list on the writer side. */
980 do
981 {
515cf651 982 t = stream_read_tree (ib, data_in);
2541503d 983 if (t)
f1f41a6c 984 BINFO_BASE_BINFOS (expr)->quick_push (t);
2541503d 985 }
986 while (t);
987
515cf651 988 BINFO_OFFSET (expr) = stream_read_tree (ib, data_in);
989 BINFO_VTABLE (expr) = stream_read_tree (ib, data_in);
2541503d 990
42e9919f 991 /* Do not walk BINFO_INHERITANCE_CHAIN, BINFO_SUBVTT_INDEX,
992 BINFO_BASE_ACCESSES and BINFO_VPTR_INDEX; these are used by C++ FE
993 only. */
2541503d 994}
995
996
997/* Read all pointer fields in the TS_CONSTRUCTOR structure of EXPR from
998 input block IB. DATA_IN contains tables and descriptors for the
999 file being read. */
1000
1001static void
2e966e2a 1002lto_input_ts_constructor_tree_pointers (class lto_input_block *ib,
1003 class data_in *data_in, tree expr)
2541503d 1004{
e41fac10 1005 unsigned i;
2541503d 1006
e41fac10 1007 for (i = 0; i < CONSTRUCTOR_NELTS (expr); i++)
2541503d 1008 {
e41fac10 1009 constructor_elt e;
1010 e.index = stream_read_tree (ib, data_in);
1011 e.value = stream_read_tree (ib, data_in);
f1f41a6c 1012 (*CONSTRUCTOR_ELTS (expr))[i] = e;
2541503d 1013 }
1014}
1015
1016
fe3e3369 1017/* Read all pointer fields in the TS_OMP_CLAUSE structure of EXPR from
1018 input block IB. DATA_IN contains tables and descriptors for the
1019 file being read. */
1020
1021static void
2e966e2a 1022lto_input_ts_omp_clause_tree_pointers (class lto_input_block *ib,
1023 class data_in *data_in, tree expr)
fe3e3369 1024{
1025 int i;
1026
1027 for (i = 0; i < omp_clause_num_ops[OMP_CLAUSE_CODE (expr)]; i++)
1028 OMP_CLAUSE_OPERAND (expr, i) = stream_read_tree (ib, data_in);
1029 OMP_CLAUSE_CHAIN (expr) = stream_read_tree (ib, data_in);
1030}
1031
1032
515cf651 1033/* Read all pointer fields in EXPR from input block IB. DATA_IN
1034 contains tables and descriptors for the file being read. */
2541503d 1035
515cf651 1036void
2e966e2a 1037streamer_read_tree_body (class lto_input_block *ib, class data_in *data_in,
2541503d 1038 tree expr)
1039{
1040 enum tree_code code;
1041
1042 code = TREE_CODE (expr);
1043
1044 if (CODE_CONTAINS_STRUCT (code, TS_TYPED))
1045 lto_input_ts_common_tree_pointers (ib, data_in, expr);
1046
1047 if (CODE_CONTAINS_STRUCT (code, TS_VECTOR))
1048 lto_input_ts_vector_tree_pointers (ib, data_in, expr);
1049
8672ee56 1050 if (CODE_CONTAINS_STRUCT (code, TS_POLY_INT_CST))
1051 lto_input_ts_poly_tree_pointers (ib, data_in, expr);
1052
2541503d 1053 if (CODE_CONTAINS_STRUCT (code, TS_COMPLEX))
1054 lto_input_ts_complex_tree_pointers (ib, data_in, expr);
1055
1056 if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL))
1057 lto_input_ts_decl_minimal_tree_pointers (ib, data_in, expr);
1058
1059 if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
1060 lto_input_ts_decl_common_tree_pointers (ib, data_in, expr);
1061
1062 if (CODE_CONTAINS_STRUCT (code, TS_DECL_NON_COMMON))
1063 lto_input_ts_decl_non_common_tree_pointers (ib, data_in, expr);
1064
1065 if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
1066 lto_input_ts_decl_with_vis_tree_pointers (ib, data_in, expr);
1067
1068 if (CODE_CONTAINS_STRUCT (code, TS_FIELD_DECL))
1069 lto_input_ts_field_decl_tree_pointers (ib, data_in, expr);
1070
1071 if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL))
1072 lto_input_ts_function_decl_tree_pointers (ib, data_in, expr);
1073
1074 if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON))
1075 lto_input_ts_type_common_tree_pointers (ib, data_in, expr);
1076
1077 if (CODE_CONTAINS_STRUCT (code, TS_TYPE_NON_COMMON))
1078 lto_input_ts_type_non_common_tree_pointers (ib, data_in, expr);
1079
1080 if (CODE_CONTAINS_STRUCT (code, TS_LIST))
1081 lto_input_ts_list_tree_pointers (ib, data_in, expr);
1082
1083 if (CODE_CONTAINS_STRUCT (code, TS_VEC))
1084 lto_input_ts_vec_tree_pointers (ib, data_in, expr);
1085
1086 if (CODE_CONTAINS_STRUCT (code, TS_EXP))
1087 lto_input_ts_exp_tree_pointers (ib, data_in, expr);
1088
1089 if (CODE_CONTAINS_STRUCT (code, TS_BLOCK))
1090 lto_input_ts_block_tree_pointers (ib, data_in, expr);
1091
1092 if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
1093 lto_input_ts_binfo_tree_pointers (ib, data_in, expr);
1094
1095 if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR))
1096 lto_input_ts_constructor_tree_pointers (ib, data_in, expr);
fe3e3369 1097
1098 if (code == OMP_CLAUSE)
1099 lto_input_ts_omp_clause_tree_pointers (ib, data_in, expr);
2541503d 1100}
1101
1102
2541503d 1103/* Read an index IX from input block IB and return the tree node at
1104 DATA_IN->FILE_DATA->GLOBALS_INDEX[IX]. */
1105
515cf651 1106tree
2e966e2a 1107streamer_get_pickled_tree (class lto_input_block *ib, class data_in *data_in)
2541503d 1108{
1109 unsigned HOST_WIDE_INT ix;
1110 tree result;
1111 enum LTO_tags expected_tag;
1112
7f385784 1113 ix = streamer_read_uhwi (ib);
1114 expected_tag = streamer_read_enum (ib, LTO_tags, LTO_NUM_TAGS);
2541503d 1115
8ceff600 1116 result = streamer_tree_cache_get_tree (data_in->reader_cache, ix);
2541503d 1117 gcc_assert (result
1118 && TREE_CODE (result) == lto_tag_to_tree_code (expected_tag));
1119
1120 return result;
1121}
Mirror of https://gcc.gnu.org/git/gcc.git