1 | /* Routines for reading trees from a file stream. |
2 | |
3 | Copyright (C) 2011-2023 Free Software Foundation, Inc. |
4 | Contributed by Diego Novillo <dnovillo@google.com> |
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 | #include "config.h" |
23 | #include "system.h" |
24 | #include "coretypes.h" |
25 | #include "backend.h" |
26 | #include "target.h" |
27 | #include "tree.h" |
28 | #include "gimple.h" |
29 | #include "stringpool.h" |
30 | #include "tree-streamer.h" |
31 | #include "cgraph.h" |
32 | #include "builtins.h" |
33 | #include "gomp-constants.h" |
34 | #include "stringpool.h" |
35 | #include "attribs.h" |
36 | #include "asan.h" |
37 | #include "opts.h" |
38 | |
39 | |
40 | /* Read a STRING_CST from the string table in DATA_IN using input |
41 | block IB. */ |
42 | |
43 | tree |
44 | streamer_read_string_cst (class data_in *data_in, class lto_input_block *ib) |
45 | { |
46 | unsigned int len; |
47 | const char * ptr; |
48 | |
49 | ptr = streamer_read_indexed_string (data_in, ib, &len); |
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 | |
59 | static tree |
60 | input_identifier (class data_in *data_in, class lto_input_block *ib) |
61 | { |
62 | unsigned int len; |
63 | const char *ptr; |
64 | |
65 | ptr = streamer_read_indexed_string (data_in, ib, &len); |
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 | |
75 | static tree |
76 | streamer_read_chain (class lto_input_block *ib, class data_in *data_in) |
77 | { |
78 | tree first, prev, curr; |
79 | |
80 | /* The chain is written as NULL terminated list of trees. */ |
81 | first = prev = NULL_TREE; |
82 | do |
83 | { |
84 | curr = stream_read_tree_ref (ib, data_in); |
85 | if (prev) |
86 | TREE_CHAIN (prev) = curr; |
87 | else |
88 | first = curr; |
89 | |
90 | prev = curr; |
91 | } |
92 | while (curr); |
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 | |
101 | static inline void |
102 | unpack_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 |
105 | streamer_alloc_tree. */ |
106 | if (!TYPE_P (expr)) |
107 | { |
108 | TREE_SIDE_EFFECTS (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
109 | TREE_CONSTANT (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
110 | TREE_READONLY (expr) = (unsigned) bp_unpack_value (bp, nbits: 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, nbits: 1); |
116 | } |
117 | else |
118 | bp_unpack_value (bp, nbits: 4); |
119 | TREE_ADDRESSABLE (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
120 | TREE_THIS_VOLATILE (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
121 | if (DECL_P (expr)) |
122 | { |
123 | DECL_UNSIGNED (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
124 | DECL_NAMELESS (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
125 | } |
126 | else if (TYPE_P (expr)) |
127 | TYPE_UNSIGNED (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
128 | else |
129 | bp_unpack_value (bp, nbits: 1); |
130 | TREE_ASM_WRITTEN (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
131 | if (TYPE_P (expr)) |
132 | TYPE_ARTIFICIAL (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
133 | else |
134 | TREE_NO_WARNING (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
135 | TREE_NOTHROW (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
136 | TREE_STATIC (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
137 | if (TREE_CODE (expr) != TREE_BINFO) |
138 | TREE_PRIVATE (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
139 | else |
140 | bp_unpack_value (bp, nbits: 1); |
141 | TREE_PROTECTED (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
142 | TREE_DEPRECATED (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
143 | if (TYPE_P (expr)) |
144 | { |
145 | if (AGGREGATE_TYPE_P (expr)) |
146 | TYPE_REVERSE_STORAGE_ORDER (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
147 | else |
148 | TYPE_SATURATING (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
149 | #ifndef ACCEL_COMPILER |
150 | TYPE_ADDR_SPACE (expr) = (unsigned) bp_unpack_value (bp, nbits: 8); |
151 | #endif |
152 | } |
153 | else if (TREE_CODE (expr) == BIT_FIELD_REF || TREE_CODE (expr) == MEM_REF) |
154 | { |
155 | REF_REVERSE_STORAGE_ORDER (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
156 | bp_unpack_value (bp, nbits: 8); |
157 | } |
158 | else if (TREE_CODE (expr) == SSA_NAME) |
159 | { |
160 | SSA_NAME_IS_DEFAULT_DEF (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
161 | bp_unpack_value (bp, nbits: 8); |
162 | } |
163 | else if (TREE_CODE (expr) == CALL_EXPR) |
164 | { |
165 | CALL_EXPR_BY_DESCRIPTOR (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
166 | bp_unpack_value (bp, nbits: 8); |
167 | } |
168 | else |
169 | bp_unpack_value (bp, nbits: 9); |
170 | } |
171 | |
172 | |
173 | /* Unpack all the non-pointer fields of the TS_INT_CST structure of |
174 | expression EXPR from bitpack BP. */ |
175 | |
176 | static void |
177 | unpack_ts_int_cst_value_fields (struct bitpack_d *bp, tree expr) |
178 | { |
179 | int i; |
180 | for (i = 0; i < TREE_INT_CST_EXT_NUNITS (expr); i++) |
181 | TREE_INT_CST_ELT (expr, i) = bp_unpack_var_len_int (bp); |
182 | } |
183 | |
184 | |
185 | /* Unpack all the non-pointer fields of the TS_REAL_CST structure of |
186 | expression EXPR from bitpack BP. */ |
187 | |
188 | static void |
189 | unpack_ts_real_cst_value_fields (struct bitpack_d *bp, tree expr) |
190 | { |
191 | REAL_VALUE_TYPE r; |
192 | |
193 | bp_unpack_real_value (bp, &r); |
194 | memcpy (TREE_REAL_CST_PTR (expr), src: &r, n: sizeof (REAL_VALUE_TYPE)); |
195 | } |
196 | |
197 | |
198 | /* Unpack all the non-pointer fields of the TS_FIXED_CST structure of |
199 | expression EXPR from bitpack BP. */ |
200 | |
201 | static void |
202 | unpack_ts_fixed_cst_value_fields (struct bitpack_d *bp, tree expr) |
203 | { |
204 | FIXED_VALUE_TYPE *fp = ggc_alloc<fixed_value> (); |
205 | fp->mode = as_a <scalar_mode> (m: bp_unpack_machine_mode (bp)); |
206 | fp->data.low = bp_unpack_var_len_int (bp); |
207 | fp->data.high = bp_unpack_var_len_int (bp); |
208 | TREE_FIXED_CST_PTR (expr) = fp; |
209 | } |
210 | |
211 | /* Unpack all the non-pointer fields of the TS_DECL_COMMON structure |
212 | of expression EXPR from bitpack BP. */ |
213 | |
214 | static void |
215 | unpack_ts_decl_common_value_fields (struct bitpack_d *bp, tree expr) |
216 | { |
217 | SET_DECL_MODE (expr, bp_unpack_machine_mode (bp)); |
218 | DECL_NONLOCAL (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
219 | DECL_VIRTUAL_P (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
220 | DECL_IGNORED_P (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
221 | DECL_ABSTRACT_P (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
222 | DECL_ARTIFICIAL (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
223 | DECL_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
224 | DECL_PRESERVE_P (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
225 | DECL_EXTERNAL (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
226 | DECL_NOT_GIMPLE_REG_P (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
227 | SET_DECL_ALIGN (expr, (unsigned) bp_unpack_var_len_unsigned (bp)); |
228 | #ifdef ACCEL_COMPILER |
229 | if (DECL_ALIGN (expr) > targetm.absolute_biggest_alignment) |
230 | SET_DECL_ALIGN (expr, targetm.absolute_biggest_alignment); |
231 | #endif |
232 | if (TREE_CODE (expr) == LABEL_DECL) |
233 | { |
234 | EH_LANDING_PAD_NR (expr) = (int) bp_unpack_var_len_unsigned (bp); |
235 | |
236 | /* Always assume an initial value of -1 for LABEL_DECL_UID to |
237 | force gimple_set_bb to recreate label_to_block_map. */ |
238 | LABEL_DECL_UID (expr) = -1; |
239 | } |
240 | |
241 | else if (TREE_CODE (expr) == FIELD_DECL) |
242 | { |
243 | DECL_PACKED (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
244 | DECL_NONADDRESSABLE_P (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
245 | DECL_PADDING_P (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
246 | unsigned val = (unsigned) bp_unpack_value (bp, nbits: 1); |
247 | if (DECL_BIT_FIELD (expr)) |
248 | SET_DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD (expr, val); |
249 | else |
250 | SET_DECL_FIELD_ABI_IGNORED (expr, val); |
251 | expr->decl_common.off_align = bp_unpack_value (bp, nbits: 8); |
252 | DECL_NOT_FLEXARRAY (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
253 | } |
254 | |
255 | else if (VAR_P (expr)) |
256 | { |
257 | DECL_HAS_DEBUG_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
258 | DECL_NONLOCAL_FRAME (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
259 | } |
260 | |
261 | else if (TREE_CODE (expr) == PARM_DECL) |
262 | DECL_HIDDEN_STRING_LENGTH (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
263 | |
264 | if (TREE_CODE (expr) == RESULT_DECL |
265 | || TREE_CODE (expr) == PARM_DECL |
266 | || VAR_P (expr)) |
267 | { |
268 | DECL_BY_REFERENCE (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
269 | if (VAR_P (expr) || TREE_CODE (expr) == PARM_DECL) |
270 | DECL_HAS_VALUE_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
271 | } |
272 | } |
273 | |
274 | |
275 | /* Unpack all the non-pointer fields of the TS_DECL_WRTL structure |
276 | of expression EXPR from bitpack BP. */ |
277 | |
278 | static void |
279 | unpack_ts_decl_wrtl_value_fields (struct bitpack_d *bp, tree expr) |
280 | { |
281 | DECL_REGISTER (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
282 | } |
283 | |
284 | |
285 | /* Unpack all the non-pointer fields of the TS_DECL_WITH_VIS structure |
286 | of expression EXPR from bitpack BP. */ |
287 | |
288 | static void |
289 | unpack_ts_decl_with_vis_value_fields (struct bitpack_d *bp, tree expr) |
290 | { |
291 | DECL_COMMON (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
292 | DECL_DLLIMPORT_P (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
293 | DECL_WEAK (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
294 | DECL_SEEN_IN_BIND_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
295 | DECL_COMDAT (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
296 | DECL_VISIBILITY (expr) = (enum symbol_visibility) bp_unpack_value (bp, nbits: 2); |
297 | DECL_VISIBILITY_SPECIFIED (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
298 | |
299 | if (VAR_P (expr)) |
300 | { |
301 | DECL_HARD_REGISTER (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
302 | DECL_IN_CONSTANT_POOL (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
303 | } |
304 | |
305 | if (TREE_CODE (expr) == FUNCTION_DECL) |
306 | { |
307 | DECL_FINAL_P (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
308 | DECL_CXX_CONSTRUCTOR_P (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
309 | DECL_CXX_DESTRUCTOR_P (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
310 | } |
311 | } |
312 | |
313 | |
314 | /* Unpack all the non-pointer fields of the TS_FUNCTION_DECL structure |
315 | of expression EXPR from bitpack BP. */ |
316 | |
317 | static void |
318 | unpack_ts_function_decl_value_fields (struct bitpack_d *bp, tree expr) |
319 | { |
320 | built_in_class cl = bp_unpack_enum (bp, built_in_class, BUILT_IN_LAST); |
321 | DECL_STATIC_CONSTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
322 | DECL_STATIC_DESTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
323 | DECL_UNINLINABLE (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
324 | DECL_POSSIBLY_INLINED (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
325 | DECL_IS_NOVOPS (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
326 | DECL_IS_RETURNS_TWICE (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
327 | DECL_IS_MALLOC (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
328 | FUNCTION_DECL_DECL_TYPE (expr) = (function_decl_type) bp_unpack_value (bp, nbits: 2); |
329 | DECL_SET_IS_OPERATOR_DELETE (expr, (unsigned) bp_unpack_value (bp, 1)); |
330 | DECL_DECLARED_INLINE_P (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
331 | DECL_STATIC_CHAIN (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
332 | DECL_NO_INLINE_WARNING_P (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
333 | DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (expr) |
334 | = (unsigned) bp_unpack_value (bp, nbits: 1); |
335 | DECL_NO_LIMIT_STACK (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
336 | DECL_DISREGARD_INLINE_LIMITS (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
337 | DECL_PURE_P (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
338 | DECL_LOOPING_CONST_OR_PURE_P (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
339 | DECL_IS_REPLACEABLE_OPERATOR (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
340 | unsigned int fcode = 0; |
341 | if (cl != NOT_BUILT_IN) |
342 | { |
343 | fcode = bp_unpack_value (bp, nbits: 32); |
344 | if (cl == BUILT_IN_NORMAL && fcode >= END_BUILTINS) |
345 | fatal_error (input_location, |
346 | "machine independent builtin code out of range" ); |
347 | else if (cl == BUILT_IN_MD) |
348 | { |
349 | tree result = targetm.builtin_decl (fcode, true); |
350 | if (!result || result == error_mark_node) |
351 | fatal_error (input_location, |
352 | "target specific builtin not available" ); |
353 | } |
354 | } |
355 | set_decl_built_in_function (decl: expr, fclass: cl, fcode); |
356 | } |
357 | |
358 | |
359 | /* Unpack all the non-pointer fields of the TS_TYPE_COMMON structure |
360 | of expression EXPR from bitpack BP. */ |
361 | |
362 | static void |
363 | unpack_ts_type_common_value_fields (struct bitpack_d *bp, tree expr) |
364 | { |
365 | machine_mode mode; |
366 | |
367 | mode = bp_unpack_machine_mode (bp); |
368 | SET_TYPE_MODE (expr, mode); |
369 | /* TYPE_NO_FORCE_BLK is private to stor-layout and need |
370 | no streaming. */ |
371 | TYPE_PACKED (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
372 | TYPE_RESTRICT (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
373 | TYPE_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
374 | TYPE_READONLY (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
375 | TYPE_LANG_FLAG_0 (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
376 | if (RECORD_OR_UNION_TYPE_P (expr)) |
377 | { |
378 | TYPE_TRANSPARENT_AGGR (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
379 | TYPE_FINAL_P (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
380 | TYPE_CXX_ODR_P (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
381 | } |
382 | else if (TREE_CODE (expr) == ARRAY_TYPE) |
383 | TYPE_NONALIASED_COMPONENT (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
384 | if (TREE_CODE (expr) == ARRAY_TYPE || TREE_CODE (expr) == INTEGER_TYPE) |
385 | TYPE_STRING_FLAG (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
386 | if (AGGREGATE_TYPE_P (expr)) |
387 | TYPE_TYPELESS_STORAGE (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
388 | TYPE_EMPTY_P (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
389 | if (FUNC_OR_METHOD_TYPE_P (expr)) |
390 | TYPE_NO_NAMED_ARGS_STDARG_P (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
391 | if (RECORD_OR_UNION_TYPE_P (expr)) |
392 | TYPE_INCLUDES_FLEXARRAY (expr) = (unsigned) bp_unpack_value (bp, nbits: 1); |
393 | TYPE_PRECISION_RAW (expr) = bp_unpack_var_len_unsigned (bp); |
394 | SET_TYPE_ALIGN (expr, bp_unpack_var_len_unsigned (bp)); |
395 | #ifdef ACCEL_COMPILER |
396 | if (TYPE_ALIGN (expr) > targetm.absolute_biggest_alignment) |
397 | SET_TYPE_ALIGN (expr, targetm.absolute_biggest_alignment); |
398 | #endif |
399 | } |
400 | |
401 | |
402 | /* Unpack all the non-pointer fields of the TS_BLOCK structure |
403 | of expression EXPR from bitpack BP. */ |
404 | |
405 | static void |
406 | unpack_ts_block_value_fields (class data_in *data_in, |
407 | struct bitpack_d *bp, tree expr) |
408 | { |
409 | /* BLOCK_NUMBER is recomputed. */ |
410 | stream_input_location (&BLOCK_SOURCE_LOCATION (expr), bp, data_in); |
411 | } |
412 | |
413 | /* Unpack all the non-pointer fields of the TS_TRANSLATION_UNIT_DECL |
414 | structure of expression EXPR from bitpack BP. */ |
415 | |
416 | static void |
417 | unpack_ts_translation_unit_decl_value_fields (class data_in *data_in, |
418 | struct bitpack_d *bp, tree expr) |
419 | { |
420 | TRANSLATION_UNIT_LANGUAGE (expr) = xstrdup (bp_unpack_string (data_in, bp)); |
421 | vec_safe_push (v&: all_translation_units, obj: expr); |
422 | } |
423 | |
424 | |
425 | /* Unpack all the non-pointer fields of the TS_OMP_CLAUSE |
426 | structure of expression EXPR from bitpack BP. */ |
427 | |
428 | static void |
429 | unpack_ts_omp_clause_value_fields (class data_in *data_in, |
430 | struct bitpack_d *bp, tree expr) |
431 | { |
432 | stream_input_location (&OMP_CLAUSE_LOCATION (expr), bp, data_in); |
433 | switch (OMP_CLAUSE_CODE (expr)) |
434 | { |
435 | case OMP_CLAUSE_DEFAULT: |
436 | OMP_CLAUSE_DEFAULT_KIND (expr) |
437 | = bp_unpack_enum (bp, omp_clause_default_kind, |
438 | OMP_CLAUSE_DEFAULT_LAST); |
439 | break; |
440 | case OMP_CLAUSE_SCHEDULE: |
441 | OMP_CLAUSE_SCHEDULE_KIND (expr) |
442 | = bp_unpack_enum (bp, omp_clause_schedule_kind, |
443 | OMP_CLAUSE_SCHEDULE_LAST); |
444 | break; |
445 | case OMP_CLAUSE_DEPEND: |
446 | OMP_CLAUSE_DEPEND_KIND (expr) |
447 | = bp_unpack_enum (bp, omp_clause_depend_kind, OMP_CLAUSE_DEPEND_LAST); |
448 | break; |
449 | case OMP_CLAUSE_DOACROSS: |
450 | OMP_CLAUSE_DOACROSS_KIND (expr) |
451 | = bp_unpack_enum (bp, omp_clause_doacross_kind, |
452 | OMP_CLAUSE_DOACROSS_LAST); |
453 | break; |
454 | case OMP_CLAUSE_MAP: |
455 | OMP_CLAUSE_SET_MAP_KIND (expr, bp_unpack_enum (bp, gomp_map_kind, |
456 | GOMP_MAP_LAST)); |
457 | break; |
458 | case OMP_CLAUSE_PROC_BIND: |
459 | OMP_CLAUSE_PROC_BIND_KIND (expr) |
460 | = bp_unpack_enum (bp, omp_clause_proc_bind_kind, |
461 | OMP_CLAUSE_PROC_BIND_LAST); |
462 | break; |
463 | case OMP_CLAUSE_REDUCTION: |
464 | case OMP_CLAUSE_TASK_REDUCTION: |
465 | case OMP_CLAUSE_IN_REDUCTION: |
466 | OMP_CLAUSE_REDUCTION_CODE (expr) |
467 | = bp_unpack_enum (bp, tree_code, MAX_TREE_CODES); |
468 | break; |
469 | default: |
470 | break; |
471 | } |
472 | } |
473 | |
474 | |
475 | /* Read all the language-independent bitfield values for EXPR from IB. |
476 | Return the partially unpacked bitpack so the caller can unpack any other |
477 | bitfield values that the writer may have written. */ |
478 | |
479 | void |
480 | streamer_read_tree_bitfields (class lto_input_block *ib, |
481 | class data_in *data_in, tree expr) |
482 | { |
483 | enum tree_code code; |
484 | struct bitpack_d bp; |
485 | |
486 | /* Read the bitpack of non-pointer values from IB. */ |
487 | bp = streamer_read_bitpack (ib); |
488 | |
489 | /* The first word in BP contains the code of the tree that we |
490 | are about to read. */ |
491 | if (streamer_debugging) |
492 | { |
493 | code = (enum tree_code) bp_unpack_value (bp: &bp, nbits: 16); |
494 | lto_tag_check (actual: lto_tree_code_to_tag (code), |
495 | expected: lto_tree_code_to_tag (TREE_CODE (expr))); |
496 | } |
497 | code = TREE_CODE (expr); |
498 | |
499 | /* Note that all these functions are highly sensitive to changes in |
500 | the types and sizes of each of the fields being packed. */ |
501 | unpack_ts_base_value_fields (bp: &bp, expr); |
502 | |
503 | if (CODE_CONTAINS_STRUCT (code, TS_INT_CST)) |
504 | unpack_ts_int_cst_value_fields (bp: &bp, expr); |
505 | |
506 | if (CODE_CONTAINS_STRUCT (code, TS_REAL_CST)) |
507 | unpack_ts_real_cst_value_fields (bp: &bp, expr); |
508 | |
509 | if (CODE_CONTAINS_STRUCT (code, TS_FIXED_CST)) |
510 | unpack_ts_fixed_cst_value_fields (bp: &bp, expr); |
511 | |
512 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL)) |
513 | stream_input_location (&DECL_SOURCE_LOCATION (expr), &bp, data_in); |
514 | |
515 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON)) |
516 | unpack_ts_decl_common_value_fields (bp: &bp, expr); |
517 | |
518 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL)) |
519 | unpack_ts_decl_wrtl_value_fields (bp: &bp, expr); |
520 | |
521 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS)) |
522 | unpack_ts_decl_with_vis_value_fields (bp: &bp, expr); |
523 | |
524 | if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL)) |
525 | unpack_ts_function_decl_value_fields (bp: &bp, expr); |
526 | |
527 | if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON)) |
528 | unpack_ts_type_common_value_fields (bp: &bp, expr); |
529 | |
530 | if (CODE_CONTAINS_STRUCT (code, TS_EXP)) |
531 | { |
532 | stream_input_location (&EXPR_CHECK (expr)->exp.locus, &bp, data_in); |
533 | if (code == MEM_REF |
534 | || code == TARGET_MEM_REF) |
535 | { |
536 | MR_DEPENDENCE_CLIQUE (expr) |
537 | = (unsigned)bp_unpack_value (bp: &bp, nbits: sizeof (short) * 8); |
538 | if (MR_DEPENDENCE_CLIQUE (expr) != 0) |
539 | MR_DEPENDENCE_BASE (expr) |
540 | = (unsigned)bp_unpack_value (bp: &bp, nbits: sizeof (short) * 8); |
541 | } |
542 | else if (code == CALL_EXPR) |
543 | CALL_EXPR_IFN (expr) = bp_unpack_enum (&bp, internal_fn, IFN_LAST); |
544 | } |
545 | |
546 | if (CODE_CONTAINS_STRUCT (code, TS_BLOCK)) |
547 | unpack_ts_block_value_fields (data_in, bp: &bp, expr); |
548 | |
549 | if (CODE_CONTAINS_STRUCT (code, TS_TRANSLATION_UNIT_DECL)) |
550 | unpack_ts_translation_unit_decl_value_fields (data_in, bp: &bp, expr); |
551 | |
552 | if (CODE_CONTAINS_STRUCT (code, TS_OPTIMIZATION)) |
553 | cl_optimization_stream_in (data_in, &bp, TREE_OPTIMIZATION (expr)); |
554 | |
555 | if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR)) |
556 | { |
557 | CLOBBER_KIND (expr) |
558 | = bp_unpack_enum (&bp, clobber_kind, CLOBBER_LAST); |
559 | unsigned HOST_WIDE_INT length = bp_unpack_var_len_unsigned (&bp); |
560 | if (length > 0) |
561 | vec_safe_grow (CONSTRUCTOR_ELTS (expr), len: length, exact: true); |
562 | } |
563 | |
564 | #ifndef ACCEL_COMPILER |
565 | if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION)) |
566 | { |
567 | cl_target_option_stream_in (data_in, &bp, TREE_TARGET_OPTION (expr)); |
568 | if (targetm.target_option.post_stream_in) |
569 | targetm.target_option.post_stream_in (TREE_TARGET_OPTION (expr)); |
570 | } |
571 | #endif |
572 | |
573 | if (code == OMP_CLAUSE) |
574 | unpack_ts_omp_clause_value_fields (data_in, bp: &bp, expr); |
575 | } |
576 | |
577 | |
578 | /* Materialize a new tree from input block IB using descriptors in |
579 | DATA_IN. The code for the new tree should match TAG. Store in |
580 | *IX_P the index into the reader cache where the new tree is stored. */ |
581 | |
582 | tree |
583 | streamer_alloc_tree (class lto_input_block *ib, class data_in *data_in, |
584 | enum LTO_tags tag) |
585 | { |
586 | enum tree_code code; |
587 | tree result; |
588 | |
589 | result = NULL_TREE; |
590 | |
591 | code = lto_tag_to_tree_code (tag); |
592 | |
593 | /* We should never see an SSA_NAME tree. Only the version numbers of |
594 | SSA names are ever written out. See input_ssa_names. */ |
595 | gcc_assert (code != SSA_NAME); |
596 | |
597 | /* Instantiate a new tree using the header data. */ |
598 | if (CODE_CONTAINS_STRUCT (code, TS_STRING)) |
599 | result = streamer_read_string_cst (data_in, ib); |
600 | else if (CODE_CONTAINS_STRUCT (code, TS_IDENTIFIER)) |
601 | result = input_identifier (data_in, ib); |
602 | else if (CODE_CONTAINS_STRUCT (code, TS_VEC)) |
603 | { |
604 | HOST_WIDE_INT len = streamer_read_hwi (ib); |
605 | result = make_tree_vec (len); |
606 | } |
607 | else if (CODE_CONTAINS_STRUCT (code, TS_VECTOR)) |
608 | { |
609 | bitpack_d bp = streamer_read_bitpack (ib); |
610 | unsigned int log2_npatterns = bp_unpack_value (bp: &bp, nbits: 8); |
611 | unsigned int nelts_per_pattern = bp_unpack_value (bp: &bp, nbits: 8); |
612 | result = make_vector (log2_npatterns, nelts_per_pattern); |
613 | } |
614 | else if (CODE_CONTAINS_STRUCT (code, TS_BINFO)) |
615 | { |
616 | unsigned HOST_WIDE_INT len = streamer_read_uhwi (ib); |
617 | result = make_tree_binfo (len); |
618 | } |
619 | else if (CODE_CONTAINS_STRUCT (code, TS_INT_CST)) |
620 | { |
621 | unsigned HOST_WIDE_INT len = streamer_read_uhwi (ib); |
622 | unsigned HOST_WIDE_INT ext_len = streamer_read_uhwi (ib); |
623 | result = make_int_cst (len, ext_len); |
624 | } |
625 | else if (code == CALL_EXPR) |
626 | { |
627 | unsigned HOST_WIDE_INT nargs = streamer_read_uhwi (ib); |
628 | return build_vl_exp (CALL_EXPR, nargs + 3); |
629 | } |
630 | else if (code == OMP_CLAUSE) |
631 | { |
632 | enum omp_clause_code subcode |
633 | = (enum omp_clause_code) streamer_read_uhwi (ib); |
634 | return build_omp_clause (UNKNOWN_LOCATION, subcode); |
635 | } |
636 | else |
637 | { |
638 | /* For all other nodes, materialize the tree with a raw |
639 | make_node call. */ |
640 | result = make_node (code); |
641 | } |
642 | |
643 | return result; |
644 | } |
645 | |
646 | |
647 | /* Read all pointer fields in the TS_COMMON structure of EXPR from input |
648 | block IB. DATA_IN contains tables and descriptors for the |
649 | file being read. */ |
650 | |
651 | |
652 | static void |
653 | lto_input_ts_common_tree_pointers (class lto_input_block *ib, |
654 | class data_in *data_in, tree expr) |
655 | { |
656 | if (TREE_CODE (expr) != IDENTIFIER_NODE) |
657 | TREE_TYPE (expr) = stream_read_tree_ref (ib, data_in); |
658 | } |
659 | |
660 | |
661 | /* Read all pointer fields in the TS_VECTOR structure of EXPR from input |
662 | block IB. DATA_IN contains tables and descriptors for the |
663 | file being read. */ |
664 | |
665 | static void |
666 | lto_input_ts_vector_tree_pointers (class lto_input_block *ib, |
667 | class data_in *data_in, tree expr) |
668 | { |
669 | unsigned int count = vector_cst_encoded_nelts (t: expr); |
670 | for (unsigned int i = 0; i < count; ++i) |
671 | VECTOR_CST_ENCODED_ELT (expr, i) = stream_read_tree_ref (ib, data_in); |
672 | } |
673 | |
674 | |
675 | /* Read all pointer fields in the TS_POLY_INT_CST structure of EXPR from |
676 | input block IB. DATA_IN contains tables and descriptors for the |
677 | file being read. */ |
678 | |
679 | static void |
680 | lto_input_ts_poly_tree_pointers (class lto_input_block *ib, |
681 | class data_in *data_in, tree expr) |
682 | { |
683 | for (unsigned int i = 0; i < NUM_POLY_INT_COEFFS; ++i) |
684 | POLY_INT_CST_COEFF (expr, i) = stream_read_tree_ref (ib, data_in); |
685 | } |
686 | |
687 | |
688 | /* Read all pointer fields in the TS_COMPLEX structure of EXPR from input |
689 | block IB. DATA_IN contains tables and descriptors for the |
690 | file being read. */ |
691 | |
692 | static void |
693 | lto_input_ts_complex_tree_pointers (class lto_input_block *ib, |
694 | class data_in *data_in, tree expr) |
695 | { |
696 | TREE_REALPART (expr) = stream_read_tree_ref (ib, data_in); |
697 | TREE_IMAGPART (expr) = stream_read_tree_ref (ib, data_in); |
698 | } |
699 | |
700 | |
701 | /* Read all pointer fields in the TS_DECL_MINIMAL structure of EXPR |
702 | from input block IB. DATA_IN contains tables and descriptors for the |
703 | file being read. */ |
704 | |
705 | static void |
706 | lto_input_ts_decl_minimal_tree_pointers (class lto_input_block *ib, |
707 | class data_in *data_in, tree expr) |
708 | { |
709 | DECL_NAME (expr) = stream_read_tree_ref (ib, data_in); |
710 | DECL_CONTEXT (expr) = stream_read_tree_ref (ib, data_in); |
711 | } |
712 | |
713 | |
714 | /* Read all pointer fields in the TS_DECL_COMMON structure of EXPR from |
715 | input block IB. DATA_IN contains tables and descriptors for the |
716 | file being read. */ |
717 | |
718 | static void |
719 | lto_input_ts_decl_common_tree_pointers (class lto_input_block *ib, |
720 | class data_in *data_in, tree expr) |
721 | { |
722 | DECL_SIZE (expr) = stream_read_tree_ref (ib, data_in); |
723 | DECL_SIZE_UNIT (expr) = stream_read_tree_ref (ib, data_in); |
724 | DECL_ATTRIBUTES (expr) = stream_read_tree_ref (ib, data_in); |
725 | DECL_ABSTRACT_ORIGIN (expr) = stream_read_tree_ref (ib, data_in); |
726 | |
727 | if ((VAR_P (expr) || TREE_CODE (expr) == PARM_DECL) |
728 | && DECL_HAS_VALUE_EXPR_P (expr)) |
729 | SET_DECL_VALUE_EXPR (expr, stream_read_tree_ref (ib, data_in)); |
730 | |
731 | if (VAR_P (expr) |
732 | && DECL_HAS_DEBUG_EXPR_P (expr)) |
733 | { |
734 | tree dexpr = stream_read_tree_ref (ib, data_in); |
735 | if (dexpr) |
736 | SET_DECL_DEBUG_EXPR (expr, dexpr); |
737 | } |
738 | } |
739 | |
740 | |
741 | /* Read all pointer fields in the TS_DECL_NON_COMMON structure of |
742 | EXPR from input block IB. DATA_IN contains tables and descriptors for the |
743 | file being read. */ |
744 | |
745 | static void |
746 | lto_input_ts_decl_non_common_tree_pointers (class lto_input_block *, |
747 | class data_in *, tree) |
748 | { |
749 | } |
750 | |
751 | |
752 | /* Read all pointer fields in the TS_DECL_WITH_VIS structure of EXPR |
753 | from input block IB. DATA_IN contains tables and descriptors for the |
754 | file being read. */ |
755 | |
756 | static void |
757 | lto_input_ts_decl_with_vis_tree_pointers (class lto_input_block *ib, |
758 | class data_in *data_in, tree expr) |
759 | { |
760 | tree id; |
761 | |
762 | id = stream_read_tree_ref (ib, data_in); |
763 | if (id) |
764 | { |
765 | gcc_assert (TREE_CODE (id) == IDENTIFIER_NODE); |
766 | SET_DECL_ASSEMBLER_NAME (expr, id); |
767 | } |
768 | } |
769 | |
770 | |
771 | /* Read all pointer fields in the TS_FIELD_DECL structure of EXPR from |
772 | input block IB. DATA_IN contains tables and descriptors for the |
773 | file being read. */ |
774 | |
775 | static void |
776 | lto_input_ts_field_decl_tree_pointers (class lto_input_block *ib, |
777 | class data_in *data_in, tree expr) |
778 | { |
779 | DECL_FIELD_OFFSET (expr) = stream_read_tree_ref (ib, data_in); |
780 | DECL_BIT_FIELD_TYPE (expr) = stream_read_tree_ref (ib, data_in); |
781 | DECL_BIT_FIELD_REPRESENTATIVE (expr) = stream_read_tree_ref (ib, data_in); |
782 | DECL_FIELD_BIT_OFFSET (expr) = stream_read_tree_ref (ib, data_in); |
783 | } |
784 | |
785 | |
786 | /* Read all pointer fields in the TS_FUNCTION_DECL structure of EXPR |
787 | from input block IB. DATA_IN contains tables and descriptors for the |
788 | file being read. */ |
789 | |
790 | static void |
791 | lto_input_ts_function_decl_tree_pointers (class lto_input_block *ib, |
792 | class data_in *data_in, tree expr) |
793 | { |
794 | /* DECL_STRUCT_FUNCTION is loaded on demand by cgraph_get_body. */ |
795 | DECL_FUNCTION_PERSONALITY (expr) = stream_read_tree_ref (ib, data_in); |
796 | #ifndef ACCEL_COMPILER |
797 | DECL_FUNCTION_SPECIFIC_TARGET (expr) = stream_read_tree_ref (ib, data_in); |
798 | #endif |
799 | DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr) |
800 | = stream_read_tree_ref (ib, data_in); |
801 | #ifdef ACCEL_COMPILER |
802 | { |
803 | tree opts = DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr); |
804 | if (opts) |
805 | { |
806 | struct gcc_options tmp, tmp_set; |
807 | init_options_struct (&tmp, NULL); |
808 | memset (&tmp_set, 0, sizeof (tmp_set)); |
809 | cl_optimization_restore (&tmp, &tmp_set, TREE_OPTIMIZATION (opts)); |
810 | finish_options (&tmp, &tmp_set, UNKNOWN_LOCATION); |
811 | opts = build_optimization_node (&tmp, &tmp_set); |
812 | DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr) = opts; |
813 | } |
814 | } |
815 | #endif |
816 | } |
817 | |
818 | |
819 | /* Read all pointer fields in the TS_TYPE_COMMON structure of EXPR from |
820 | input block IB. DATA_IN contains tables and descriptors for the file |
821 | being read. */ |
822 | |
823 | static void |
824 | lto_input_ts_type_common_tree_pointers (class lto_input_block *ib, |
825 | class data_in *data_in, tree expr) |
826 | { |
827 | TYPE_SIZE (expr) = stream_read_tree_ref (ib, data_in); |
828 | TYPE_SIZE_UNIT (expr) = stream_read_tree_ref (ib, data_in); |
829 | TYPE_ATTRIBUTES (expr) = stream_read_tree_ref (ib, data_in); |
830 | TYPE_NAME (expr) = stream_read_tree_ref (ib, data_in); |
831 | /* Do not stream TYPE_POINTER_TO or TYPE_REFERENCE_TO. They will be |
832 | reconstructed during fixup. */ |
833 | /* Do not stream TYPE_NEXT_VARIANT, we reconstruct the variant lists |
834 | during fixup. */ |
835 | TYPE_MAIN_VARIANT (expr) = stream_read_tree_ref (ib, data_in); |
836 | TYPE_CONTEXT (expr) = stream_read_tree_ref (ib, data_in); |
837 | /* TYPE_CANONICAL gets re-computed during type merging. */ |
838 | TYPE_CANONICAL (expr) = NULL_TREE; |
839 | } |
840 | |
841 | /* Read all pointer fields in the TS_TYPE_NON_COMMON structure of EXPR |
842 | from input block IB. DATA_IN contains tables and descriptors for the |
843 | file being read. */ |
844 | |
845 | static void |
846 | lto_input_ts_type_non_common_tree_pointers (class lto_input_block *ib, |
847 | class data_in *data_in, |
848 | tree expr) |
849 | { |
850 | if (TREE_CODE (expr) == ARRAY_TYPE) |
851 | TYPE_DOMAIN (expr) = stream_read_tree_ref (ib, data_in); |
852 | else if (RECORD_OR_UNION_TYPE_P (expr)) |
853 | TYPE_FIELDS (expr) = streamer_read_chain (ib, data_in); |
854 | else if (FUNC_OR_METHOD_TYPE_P (expr)) |
855 | TYPE_ARG_TYPES (expr) = stream_read_tree_ref (ib, data_in); |
856 | |
857 | if (!POINTER_TYPE_P (expr)) |
858 | TYPE_MIN_VALUE_RAW (expr) = stream_read_tree_ref (ib, data_in); |
859 | TYPE_MAX_VALUE_RAW (expr) = stream_read_tree_ref (ib, data_in); |
860 | } |
861 | |
862 | |
863 | /* Read all pointer fields in the TS_LIST structure of EXPR from input |
864 | block IB. DATA_IN contains tables and descriptors for the |
865 | file being read. */ |
866 | |
867 | static void |
868 | lto_input_ts_list_tree_pointers (class lto_input_block *ib, |
869 | class data_in *data_in, tree expr) |
870 | { |
871 | TREE_PURPOSE (expr) = stream_read_tree_ref (ib, data_in); |
872 | TREE_VALUE (expr) = stream_read_tree_ref (ib, data_in); |
873 | TREE_CHAIN (expr) = stream_read_tree_ref (ib, data_in); |
874 | } |
875 | |
876 | |
877 | /* Read all pointer fields in the TS_VEC structure of EXPR from input |
878 | block IB. DATA_IN contains tables and descriptors for the |
879 | file being read. */ |
880 | |
881 | static void |
882 | lto_input_ts_vec_tree_pointers (class lto_input_block *ib, |
883 | class data_in *data_in, tree expr) |
884 | { |
885 | int i; |
886 | |
887 | /* Note that TREE_VEC_LENGTH was read by streamer_alloc_tree to |
888 | instantiate EXPR. */ |
889 | for (i = 0; i < TREE_VEC_LENGTH (expr); i++) |
890 | TREE_VEC_ELT (expr, i) = stream_read_tree_ref (ib, data_in); |
891 | } |
892 | |
893 | |
894 | /* Read all pointer fields in the TS_EXP structure of EXPR from input |
895 | block IB. DATA_IN contains tables and descriptors for the |
896 | file being read. */ |
897 | |
898 | |
899 | static void |
900 | lto_input_ts_exp_tree_pointers (class lto_input_block *ib, |
901 | class data_in *data_in, tree expr) |
902 | { |
903 | int i; |
904 | tree block; |
905 | |
906 | for (i = 0; i < TREE_OPERAND_LENGTH (expr); i++) |
907 | TREE_OPERAND (expr, i) = stream_read_tree_ref (ib, data_in); |
908 | |
909 | block = stream_read_tree_ref (ib, data_in); |
910 | |
911 | /* TODO: Block is stored in the locus information. It may make more sense to |
912 | to make it go via the location cache. */ |
913 | if (block) |
914 | { |
915 | data_in->location_cache.apply_location_cache (); |
916 | TREE_SET_BLOCK (expr, block); |
917 | } |
918 | } |
919 | |
920 | |
921 | /* Read all pointer fields in the TS_BLOCK structure of EXPR from input |
922 | block IB. DATA_IN contains tables and descriptors for the |
923 | file being read. */ |
924 | |
925 | static void |
926 | lto_input_ts_block_tree_pointers (class lto_input_block *ib, |
927 | class data_in *data_in, tree expr) |
928 | { |
929 | BLOCK_VARS (expr) = streamer_read_chain (ib, data_in); |
930 | |
931 | BLOCK_SUPERCONTEXT (expr) = stream_read_tree_ref (ib, data_in); |
932 | BLOCK_ABSTRACT_ORIGIN (expr) = stream_read_tree_ref (ib, data_in); |
933 | /* We may end up prevailing a decl with DECL_ORIGIN (t) != t here |
934 | which breaks the invariant that BLOCK_ABSTRACT_ORIGIN is the |
935 | ultimate origin. Fixup here. |
936 | ??? This should get fixed with moving to DIE references. */ |
937 | if (DECL_P (BLOCK_ORIGIN (expr))) |
938 | BLOCK_ABSTRACT_ORIGIN (expr) = DECL_ORIGIN (BLOCK_ABSTRACT_ORIGIN (expr)); |
939 | /* Do not stream BLOCK_NONLOCALIZED_VARS. We cannot handle debug information |
940 | for early inlined BLOCKs so drop it on the floor instead of ICEing in |
941 | dwarf2out.cc. */ |
942 | |
943 | /* BLOCK_FRAGMENT_ORIGIN and BLOCK_FRAGMENT_CHAIN is not live at LTO |
944 | streaming time. */ |
945 | |
946 | /* We re-compute BLOCK_SUBBLOCKS of our parent here instead |
947 | of streaming it. For non-BLOCK BLOCK_SUPERCONTEXTs we still |
948 | stream the child relationship explicitly. */ |
949 | if (BLOCK_SUPERCONTEXT (expr) |
950 | && TREE_CODE (BLOCK_SUPERCONTEXT (expr)) == BLOCK) |
951 | { |
952 | BLOCK_CHAIN (expr) = BLOCK_SUBBLOCKS (BLOCK_SUPERCONTEXT (expr)); |
953 | BLOCK_SUBBLOCKS (BLOCK_SUPERCONTEXT (expr)) = expr; |
954 | } |
955 | |
956 | /* The global block is rooted at the TU decl. Hook it here to |
957 | avoid the need to stream in this block during WPA time. */ |
958 | else if (BLOCK_SUPERCONTEXT (expr) |
959 | && TREE_CODE (BLOCK_SUPERCONTEXT (expr)) == TRANSLATION_UNIT_DECL) |
960 | DECL_INITIAL (BLOCK_SUPERCONTEXT (expr)) = expr; |
961 | |
962 | /* The function-level block is connected at the time we read in |
963 | function bodies for the same reason. */ |
964 | } |
965 | |
966 | |
967 | /* Read all pointer fields in the TS_BINFO structure of EXPR from input |
968 | block IB. DATA_IN contains tables and descriptors for the |
969 | file being read. */ |
970 | |
971 | static void |
972 | lto_input_ts_binfo_tree_pointers (class lto_input_block *ib, |
973 | class data_in *data_in, tree expr) |
974 | { |
975 | tree t; |
976 | |
977 | /* Note that the number of slots in EXPR was read in |
978 | streamer_alloc_tree when instantiating EXPR. However, the |
979 | vector is empty so we cannot rely on vec::length to know how many |
980 | elements to read. So, this list is emitted as a 0-terminated |
981 | list on the writer side. */ |
982 | do |
983 | { |
984 | t = stream_read_tree_ref (ib, data_in); |
985 | if (t) |
986 | BINFO_BASE_BINFOS (expr)->quick_push (obj: t); |
987 | } |
988 | while (t); |
989 | |
990 | BINFO_OFFSET (expr) = stream_read_tree_ref (ib, data_in); |
991 | BINFO_VTABLE (expr) = stream_read_tree_ref (ib, data_in); |
992 | |
993 | /* Do not walk BINFO_INHERITANCE_CHAIN, BINFO_SUBVTT_INDEX, |
994 | BINFO_BASE_ACCESSES and BINFO_VPTR_INDEX; these are used by C++ FE |
995 | only. */ |
996 | } |
997 | |
998 | |
999 | /* Read all pointer fields in the TS_CONSTRUCTOR structure of EXPR from |
1000 | input block IB. DATA_IN contains tables and descriptors for the |
1001 | file being read. */ |
1002 | |
1003 | static void |
1004 | lto_input_ts_constructor_tree_pointers (class lto_input_block *ib, |
1005 | class data_in *data_in, tree expr) |
1006 | { |
1007 | unsigned i; |
1008 | |
1009 | for (i = 0; i < CONSTRUCTOR_NELTS (expr); i++) |
1010 | { |
1011 | constructor_elt e; |
1012 | e.index = stream_read_tree_ref (ib, data_in); |
1013 | e.value = stream_read_tree_ref (ib, data_in); |
1014 | (*CONSTRUCTOR_ELTS (expr))[i] = e; |
1015 | } |
1016 | } |
1017 | |
1018 | |
1019 | /* Read all pointer fields in the TS_OMP_CLAUSE structure of EXPR from |
1020 | input block IB. DATA_IN contains tables and descriptors for the |
1021 | file being read. */ |
1022 | |
1023 | static void |
1024 | lto_input_ts_omp_clause_tree_pointers (class lto_input_block *ib, |
1025 | class data_in *data_in, tree expr) |
1026 | { |
1027 | int i; |
1028 | |
1029 | for (i = 0; i < omp_clause_num_ops[OMP_CLAUSE_CODE (expr)]; i++) |
1030 | OMP_CLAUSE_OPERAND (expr, i) = stream_read_tree_ref (ib, data_in); |
1031 | OMP_CLAUSE_CHAIN (expr) = stream_read_tree_ref (ib, data_in); |
1032 | } |
1033 | |
1034 | |
1035 | /* Read all pointer fields in EXPR from input block IB. DATA_IN |
1036 | contains tables and descriptors for the file being read. */ |
1037 | |
1038 | void |
1039 | streamer_read_tree_body (class lto_input_block *ib, class data_in *data_in, |
1040 | tree expr) |
1041 | { |
1042 | enum tree_code code; |
1043 | |
1044 | code = TREE_CODE (expr); |
1045 | |
1046 | if (CODE_CONTAINS_STRUCT (code, TS_TYPED)) |
1047 | lto_input_ts_common_tree_pointers (ib, data_in, expr); |
1048 | |
1049 | if (CODE_CONTAINS_STRUCT (code, TS_VECTOR)) |
1050 | lto_input_ts_vector_tree_pointers (ib, data_in, expr); |
1051 | |
1052 | if (CODE_CONTAINS_STRUCT (code, TS_POLY_INT_CST)) |
1053 | lto_input_ts_poly_tree_pointers (ib, data_in, expr); |
1054 | |
1055 | if (CODE_CONTAINS_STRUCT (code, TS_COMPLEX)) |
1056 | lto_input_ts_complex_tree_pointers (ib, data_in, expr); |
1057 | |
1058 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL)) |
1059 | lto_input_ts_decl_minimal_tree_pointers (ib, data_in, expr); |
1060 | |
1061 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON)) |
1062 | lto_input_ts_decl_common_tree_pointers (ib, data_in, expr); |
1063 | |
1064 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_NON_COMMON)) |
1065 | lto_input_ts_decl_non_common_tree_pointers (ib, data_in, expr); |
1066 | |
1067 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS)) |
1068 | lto_input_ts_decl_with_vis_tree_pointers (ib, data_in, expr); |
1069 | |
1070 | if (CODE_CONTAINS_STRUCT (code, TS_FIELD_DECL)) |
1071 | lto_input_ts_field_decl_tree_pointers (ib, data_in, expr); |
1072 | |
1073 | if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL)) |
1074 | lto_input_ts_function_decl_tree_pointers (ib, data_in, expr); |
1075 | |
1076 | if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON)) |
1077 | lto_input_ts_type_common_tree_pointers (ib, data_in, expr); |
1078 | |
1079 | if (CODE_CONTAINS_STRUCT (code, TS_TYPE_NON_COMMON)) |
1080 | lto_input_ts_type_non_common_tree_pointers (ib, data_in, expr); |
1081 | |
1082 | if (CODE_CONTAINS_STRUCT (code, TS_LIST)) |
1083 | lto_input_ts_list_tree_pointers (ib, data_in, expr); |
1084 | |
1085 | if (CODE_CONTAINS_STRUCT (code, TS_VEC)) |
1086 | lto_input_ts_vec_tree_pointers (ib, data_in, expr); |
1087 | |
1088 | if (CODE_CONTAINS_STRUCT (code, TS_EXP)) |
1089 | lto_input_ts_exp_tree_pointers (ib, data_in, expr); |
1090 | |
1091 | if (CODE_CONTAINS_STRUCT (code, TS_BLOCK)) |
1092 | lto_input_ts_block_tree_pointers (ib, data_in, expr); |
1093 | |
1094 | if (CODE_CONTAINS_STRUCT (code, TS_BINFO)) |
1095 | lto_input_ts_binfo_tree_pointers (ib, data_in, expr); |
1096 | |
1097 | if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR)) |
1098 | lto_input_ts_constructor_tree_pointers (ib, data_in, expr); |
1099 | |
1100 | if (code == OMP_CLAUSE) |
1101 | lto_input_ts_omp_clause_tree_pointers (ib, data_in, expr); |
1102 | } |
1103 | |
1104 | |
1105 | /* Read an index IX from input block IB and return the tree node at |
1106 | DATA_IN->FILE_DATA->GLOBALS_INDEX[IX]. */ |
1107 | |
1108 | tree |
1109 | streamer_get_pickled_tree (class lto_input_block *ib, class data_in *data_in) |
1110 | { |
1111 | unsigned HOST_WIDE_INT ix; |
1112 | tree result; |
1113 | enum LTO_tags expected_tag; |
1114 | |
1115 | ix = streamer_read_uhwi (ib); |
1116 | result = streamer_tree_cache_get_tree (cache: data_in->reader_cache, ix); |
1117 | |
1118 | if (streamer_debugging) |
1119 | { |
1120 | expected_tag = streamer_read_enum (ib, LTO_tags, LTO_NUM_TAGS); |
1121 | gcc_assert (result |
1122 | && TREE_CODE (result) == lto_tag_to_tree_code (expected_tag)); |
1123 | } |
1124 | |
1125 | return result; |
1126 | } |
1127 | |