Branch data Line data Source code
1 : : /* Routines for emitting trees to a file stream.
2 : :
3 : : Copyright (C) 2011-2025 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 "tree-streamer.h"
30 : : #include "cgraph.h"
31 : : #include "alias.h"
32 : : #include "stor-layout.h"
33 : : #include "gomp-constants.h"
34 : : #include "print-tree.h"
35 : :
36 : :
37 : : /* Output the STRING constant to the string
38 : : table in OB. Then put the index onto the INDEX_STREAM. */
39 : :
40 : : void
41 : 175103 : streamer_write_string_cst (struct output_block *ob,
42 : : struct lto_output_stream *index_stream,
43 : : tree string)
44 : : {
45 : 350140 : streamer_write_string_with_length (ob, index_stream,
46 : 175037 : string ? TREE_STRING_POINTER (string)
47 : : : NULL,
48 : 175037 : string ? TREE_STRING_LENGTH (string) : 0,
49 : : true);
50 : 175103 : }
51 : :
52 : :
53 : : /* Output the identifier ID to the string
54 : : table in OB. Then put the index onto the INDEX_STREAM. */
55 : :
56 : : static void
57 : 1460435 : write_identifier (struct output_block *ob,
58 : : struct lto_output_stream *index_stream,
59 : : tree id)
60 : : {
61 : 1460435 : streamer_write_string_with_length (ob, index_stream,
62 : 1460435 : IDENTIFIER_POINTER (id),
63 : 1460435 : IDENTIFIER_LENGTH (id),
64 : : true);
65 : 1460435 : }
66 : :
67 : :
68 : : /* Pack all the non-pointer fields of the TS_BASE structure of
69 : : expression EXPR into bitpack BP. */
70 : :
71 : : static inline void
72 : 6957554 : pack_ts_base_value_fields (struct bitpack_d *bp, tree expr)
73 : : {
74 : 6957554 : if (!TYPE_P (expr))
75 : : {
76 : 6328029 : bp_pack_value (bp, TREE_SIDE_EFFECTS (expr), 1);
77 : 6328029 : bp_pack_value (bp, TREE_CONSTANT (expr), 1);
78 : 6328029 : bp_pack_value (bp, TREE_READONLY (expr), 1);
79 : :
80 : : /* TREE_PUBLIC is used on types to indicate that the type
81 : : has a TYPE_CACHED_VALUES vector. This is not streamed out,
82 : : so we skip it here. */
83 : 6328029 : bp_pack_value (bp, TREE_PUBLIC (expr), 1);
84 : : }
85 : : else
86 : 629525 : bp_pack_value (bp, 0, 4);
87 : 6957554 : bp_pack_value (bp, TREE_ADDRESSABLE (expr), 1);
88 : 6957554 : bp_pack_value (bp, TREE_THIS_VOLATILE (expr), 1);
89 : 6957554 : if (DECL_P (expr))
90 : : {
91 : 1515029 : bp_pack_value (bp, DECL_UNSIGNED (expr), 1);
92 : 1515029 : bp_pack_value (bp, DECL_NAMELESS (expr), 1);
93 : : }
94 : 5442525 : else if (TYPE_P (expr))
95 : 629525 : bp_pack_value (bp, TYPE_UNSIGNED (expr), 1);
96 : : else
97 : 4813000 : bp_pack_value (bp, 0, 1);
98 : : /* We write debug info two times, do not confuse the second one.
99 : : The only relevant TREE_ASM_WRITTEN use is on SSA names. */
100 : 6957554 : bp_pack_value (bp, (TREE_CODE (expr) != SSA_NAME
101 : 0 : ? 0 : TREE_ASM_WRITTEN (expr)), 1);
102 : 6957554 : if (TYPE_P (expr))
103 : 629525 : bp_pack_value (bp, TYPE_ARTIFICIAL (expr), 1);
104 : : else
105 : 6328029 : bp_pack_value (bp, TREE_NO_WARNING (expr), 1);
106 : 6957554 : bp_pack_value (bp, TREE_NOTHROW (expr), 1);
107 : 6957554 : bp_pack_value (bp, TREE_STATIC (expr), 1);
108 : 6957554 : if (TREE_CODE (expr) != TREE_BINFO)
109 : 6950320 : bp_pack_value (bp, TREE_PRIVATE (expr), 1);
110 : : else
111 : 7234 : bp_pack_value (bp, 0, 1);
112 : 6957554 : bp_pack_value (bp, TREE_PROTECTED (expr), 1);
113 : 6957554 : bp_pack_value (bp, TREE_DEPRECATED (expr), 1);
114 : 6957554 : if (TYPE_P (expr))
115 : : {
116 : 629525 : if (AGGREGATE_TYPE_P (expr))
117 : 135832 : bp_pack_value (bp, TYPE_REVERSE_STORAGE_ORDER (expr), 1);
118 : : else
119 : 493693 : bp_pack_value (bp, TYPE_SATURATING (expr), 1);
120 : 629525 : if (lto_stream_offload_p)
121 : : /* Host and offload targets have no common meaning of address
122 : : spaces. */
123 : : ;
124 : : else
125 : 629525 : bp_pack_value (bp, TYPE_ADDR_SPACE (expr), 8);
126 : : }
127 : 6328029 : else if (TREE_CODE (expr) == BIT_FIELD_REF || TREE_CODE (expr) == MEM_REF)
128 : : {
129 : 377809 : bp_pack_value (bp, REF_REVERSE_STORAGE_ORDER (expr), 1);
130 : 377809 : bp_pack_value (bp, 0, 8);
131 : : }
132 : 5950220 : else if (TREE_CODE (expr) == SSA_NAME)
133 : : {
134 : 0 : bp_pack_value (bp, SSA_NAME_IS_DEFAULT_DEF (expr), 1);
135 : 0 : bp_pack_value (bp, 0, 8);
136 : : }
137 : 5950220 : else if (TREE_CODE (expr) == CALL_EXPR)
138 : : {
139 : 24 : bp_pack_value (bp, CALL_EXPR_BY_DESCRIPTOR (expr), 1);
140 : 24 : bp_pack_value (bp, 0, 8);
141 : : }
142 : : else
143 : 5950196 : bp_pack_value (bp, 0, 9);
144 : 6957554 : }
145 : :
146 : :
147 : : /* Pack all the non-pointer fields of the TS_INTEGER_CST structure of
148 : : expression EXPR into bitpack BP. */
149 : :
150 : : static void
151 : 41204 : pack_ts_int_cst_value_fields (struct bitpack_d *bp, tree expr)
152 : : {
153 : 41204 : int i;
154 : : /* Note that the number of elements has already been written out in
155 : : streamer_write_tree_header. */
156 : 85118 : for (i = 0; i < TREE_INT_CST_EXT_NUNITS (expr); i++)
157 : 43914 : bp_pack_var_len_int (bp, TREE_INT_CST_ELT (expr, i));
158 : 41204 : }
159 : :
160 : :
161 : : /* Pack all the non-pointer fields of the TS_REAL_CST structure of
162 : : expression EXPR into bitpack BP. */
163 : :
164 : : static void
165 : 112770 : pack_ts_real_cst_value_fields (struct bitpack_d *bp, tree expr)
166 : : {
167 : 112770 : REAL_VALUE_TYPE r = TREE_REAL_CST (expr);
168 : 112770 : bp_pack_real_value (bp, &r);
169 : 112770 : }
170 : :
171 : :
172 : : /* Pack all the non-pointer fields of the TS_FIXED_CST structure of
173 : : expression EXPR into bitpack BP. */
174 : :
175 : : static void
176 : 0 : pack_ts_fixed_cst_value_fields (struct bitpack_d *bp, tree expr)
177 : : {
178 : 0 : struct fixed_value fv = TREE_FIXED_CST (expr);
179 : 0 : bp_pack_machine_mode (bp, fv.mode);
180 : 0 : bp_pack_var_len_int (bp, fv.data.low);
181 : 0 : bp_pack_var_len_int (bp, fv.data.high);
182 : 0 : }
183 : :
184 : : /* Pack all the non-pointer fields of the TS_DECL_COMMON structure
185 : : of expression EXPR into bitpack BP. */
186 : :
187 : : static void
188 : 1515029 : pack_ts_decl_common_value_fields (struct bitpack_d *bp, tree expr)
189 : : {
190 : : /* Similar to TYPE_MODE, avoid streaming out host-specific DECL_MODE
191 : : for aggregate type with offloading enabled, and while streaming-in
192 : : recompute appropriate DECL_MODE for accelerator. */
193 : 1515029 : if (lto_stream_offload_p
194 : 0 : && (VAR_P (expr)
195 : 0 : || TREE_CODE (expr) == PARM_DECL
196 : 0 : || TREE_CODE (expr) == FIELD_DECL)
197 : 1515029 : && (AGGREGATE_TYPE_P (TREE_TYPE (expr))
198 : 0 : || VECTOR_TYPE_P (TREE_TYPE (expr))))
199 : 0 : bp_pack_machine_mode (bp, VOIDmode);
200 : : else
201 : 1515029 : bp_pack_machine_mode (bp, DECL_MODE (expr));
202 : 1515029 : bp_pack_value (bp, DECL_NONLOCAL (expr), 1);
203 : 1515029 : bp_pack_value (bp, DECL_VIRTUAL_P (expr), 1);
204 : 1515029 : bp_pack_value (bp, DECL_IGNORED_P (expr), 1);
205 : 1515029 : bp_pack_value (bp, DECL_ABSTRACT_P (expr), 1);
206 : 1515029 : bp_pack_value (bp, DECL_ARTIFICIAL (expr), 1);
207 : 1515029 : bp_pack_value (bp, DECL_USER_ALIGN (expr), 1);
208 : 1515029 : bp_pack_value (bp, DECL_PRESERVE_P (expr), 1);
209 : 1515029 : bp_pack_value (bp, DECL_EXTERNAL (expr), 1);
210 : 1515029 : bp_pack_value (bp, DECL_NOT_GIMPLE_REG_P (expr), 1);
211 : 1515029 : bp_pack_var_len_unsigned (bp, DECL_ALIGN (expr));
212 : :
213 : 1515029 : if (TREE_CODE (expr) == LABEL_DECL)
214 : : {
215 : : /* Note that we do not write LABEL_DECL_UID. The reader will
216 : : always assume an initial value of -1 so that the
217 : : label_to_block_map is recreated by gimple_set_bb. */
218 : 25556 : bp_pack_var_len_unsigned (bp, EH_LANDING_PAD_NR (expr));
219 : : }
220 : :
221 : 1489473 : else if (TREE_CODE (expr) == FIELD_DECL)
222 : : {
223 : 108279 : bp_pack_value (bp, DECL_PACKED (expr), 1);
224 : 108279 : bp_pack_value (bp, DECL_NONADDRESSABLE_P (expr), 1);
225 : 108279 : bp_pack_value (bp, DECL_PADDING_P (expr), 1);
226 : 108279 : if (DECL_BIT_FIELD (expr))
227 : 7018 : bp_pack_value (bp, DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD (expr), 1);
228 : : else
229 : 207711 : bp_pack_value (bp, DECL_FIELD_ABI_IGNORED (expr), 1);
230 : 108279 : bp_pack_value (bp, expr->decl_common.off_align, 8);
231 : 108279 : bp_pack_value (bp, DECL_NOT_FLEXARRAY (expr), 1);
232 : : }
233 : :
234 : 1381194 : else if (VAR_P (expr))
235 : : {
236 : 454625 : bp_pack_value (bp, DECL_HAS_DEBUG_EXPR_P (expr), 1);
237 : 454625 : bp_pack_value (bp, DECL_NONLOCAL_FRAME (expr), 1);
238 : : }
239 : :
240 : 926569 : else if (TREE_CODE (expr) == PARM_DECL)
241 : 328201 : bp_pack_value (bp, DECL_HIDDEN_STRING_LENGTH (expr), 1);
242 : :
243 : 1515029 : if (TREE_CODE (expr) == RESULT_DECL
244 : : || TREE_CODE (expr) == PARM_DECL
245 : : || VAR_P (expr))
246 : : {
247 : 891825 : bp_pack_value (bp, DECL_BY_REFERENCE (expr), 1);
248 : 891825 : if (VAR_P (expr) || TREE_CODE (expr) == PARM_DECL)
249 : 782826 : bp_pack_value (bp, DECL_HAS_VALUE_EXPR_P (expr), 1);
250 : : }
251 : 1515029 : }
252 : :
253 : :
254 : : /* Pack all the non-pointer fields of the TS_DECL_WRTL structure
255 : : of expression EXPR into bitpack BP. */
256 : :
257 : : static void
258 : 1373355 : pack_ts_decl_wrtl_value_fields (struct bitpack_d *bp, tree expr)
259 : : {
260 : 1373355 : bp_pack_value (bp, DECL_REGISTER (expr), 1);
261 : 1373355 : }
262 : :
263 : :
264 : : /* Pack all the non-pointer fields of the TS_DECL_WITH_VIS structure
265 : : of expression EXPR into bitpack BP. */
266 : :
267 : : static void
268 : 910169 : pack_ts_decl_with_vis_value_fields (struct bitpack_d *bp, tree expr)
269 : : {
270 : 910169 : bp_pack_value (bp, DECL_COMMON (expr), 1);
271 : 910169 : bp_pack_value (bp, DECL_DLLIMPORT_P (expr), 1);
272 : 910169 : bp_pack_value (bp, DECL_WEAK (expr), 1);
273 : 910169 : bp_pack_value (bp, DECL_SEEN_IN_BIND_EXPR_P (expr), 1);
274 : 910169 : bp_pack_value (bp, DECL_COMDAT (expr), 1);
275 : 910169 : bp_pack_value (bp, DECL_VISIBILITY (expr), 2);
276 : 910169 : bp_pack_value (bp, DECL_VISIBILITY_SPECIFIED (expr), 1);
277 : :
278 : 910169 : if (VAR_P (expr))
279 : : {
280 : 454625 : bp_pack_value (bp, DECL_HARD_REGISTER (expr), 1);
281 : : /* DECL_IN_TEXT_SECTION is set during final asm output only. */
282 : 454625 : bp_pack_value (bp, DECL_IN_CONSTANT_POOL (expr), 1);
283 : : }
284 : :
285 : 910169 : if (TREE_CODE (expr) == FUNCTION_DECL)
286 : : {
287 : 427085 : bp_pack_value (bp, DECL_FINAL_P (expr), 1);
288 : 427085 : bp_pack_value (bp, DECL_CXX_CONSTRUCTOR_P (expr), 1);
289 : 427085 : bp_pack_value (bp, DECL_CXX_DESTRUCTOR_P (expr), 1);
290 : : }
291 : 910169 : }
292 : :
293 : :
294 : : /* Pack all the non-pointer fields of the TS_FUNCTION_DECL structure
295 : : of expression EXPR into bitpack BP. */
296 : :
297 : : static void
298 : 427085 : pack_ts_function_decl_value_fields (struct bitpack_d *bp, tree expr)
299 : : {
300 : 427085 : bp_pack_enum (bp, built_in_class, BUILT_IN_LAST,
301 : : DECL_BUILT_IN_CLASS (expr));
302 : 427085 : bp_pack_value (bp, DECL_STATIC_CONSTRUCTOR (expr), 1);
303 : 427085 : bp_pack_value (bp, DECL_STATIC_DESTRUCTOR (expr), 1);
304 : 427085 : bp_pack_value (bp, DECL_UNINLINABLE (expr), 1);
305 : 427085 : bp_pack_value (bp, DECL_POSSIBLY_INLINED (expr), 1);
306 : 427085 : bp_pack_value (bp, DECL_IS_NOVOPS (expr), 1);
307 : 427085 : bp_pack_value (bp, DECL_IS_RETURNS_TWICE (expr), 1);
308 : 427085 : bp_pack_value (bp, DECL_IS_MALLOC (expr), 1);
309 : 427085 : bp_pack_value (bp, (unsigned)FUNCTION_DECL_DECL_TYPE (expr), 2);
310 : 427085 : bp_pack_value (bp, DECL_IS_OPERATOR_DELETE_P (expr), 1);
311 : 427085 : bp_pack_value (bp, DECL_DECLARED_INLINE_P (expr), 1);
312 : 427085 : bp_pack_value (bp, DECL_STATIC_CHAIN (expr), 1);
313 : 427085 : bp_pack_value (bp, DECL_NO_INLINE_WARNING_P (expr), 1);
314 : 427085 : bp_pack_value (bp, DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (expr), 1);
315 : 427085 : bp_pack_value (bp, DECL_NO_LIMIT_STACK (expr), 1);
316 : 427085 : bp_pack_value (bp, DECL_DISREGARD_INLINE_LIMITS (expr), 1);
317 : 427085 : bp_pack_value (bp, DECL_PURE_P (expr), 1);
318 : 427085 : bp_pack_value (bp, DECL_LOOPING_CONST_OR_PURE_P (expr), 1);
319 : 427085 : bp_pack_value (bp, DECL_IS_REPLACEABLE_OPERATOR (expr), 1);
320 : 427085 : if (DECL_BUILT_IN_CLASS (expr) != NOT_BUILT_IN)
321 : 32640 : bp_pack_value (bp, DECL_UNCHECKED_FUNCTION_CODE (expr), 32);
322 : 427085 : }
323 : :
324 : :
325 : : /* Pack all the non-pointer fields of the TS_TYPE_COMMON structure
326 : : of expression EXPR into bitpack BP. */
327 : :
328 : : static void
329 : 629525 : pack_ts_type_common_value_fields (struct bitpack_d *bp, tree expr)
330 : : {
331 : : /* For offloading, avoid streaming out TYPE_MODE for aggregate type since
332 : : it may be host-specific. For eg, aarch64 uses OImode for ARRAY_TYPE
333 : : whose size is 256-bits, which is not representable on accelerator.
334 : : Instead stream out VOIDmode, and while streaming-in, recompute
335 : : appropriate TYPE_MODE for accelerator. */
336 : 629525 : if (lto_stream_offload_p
337 : 0 : && (AGGREGATE_TYPE_P (expr) || VECTOR_TYPE_P (expr)))
338 : 0 : bp_pack_machine_mode (bp, VOIDmode);
339 : : /* for VECTOR_TYPE, TYPE_MODE reevaluates the mode using target_flags
340 : : not necessary valid in a global context.
341 : : Use the raw value previously set by layout_type. */
342 : : else
343 : 629525 : bp_pack_machine_mode (bp, TYPE_MODE_RAW (expr));
344 : : /* TYPE_NO_FORCE_BLK is private to stor-layout and need
345 : : no streaming. */
346 : 629525 : bp_pack_value (bp, TYPE_PACKED (expr), 1);
347 : 629525 : bp_pack_value (bp, TYPE_RESTRICT (expr), 1);
348 : 629525 : bp_pack_value (bp, TYPE_USER_ALIGN (expr), 1);
349 : 629525 : bp_pack_value (bp, TYPE_READONLY (expr), 1);
350 : 629525 : unsigned vla_p;
351 : 629525 : if (in_lto_p)
352 : 184769 : vla_p = TYPE_LANG_FLAG_0 (TYPE_MAIN_VARIANT (expr));
353 : : else
354 : 444756 : vla_p = variably_modified_type_p (expr, NULL_TREE);
355 : 629525 : bp_pack_value (bp, vla_p, 1);
356 : : /* We used to stream TYPE_ALIAS_SET == 0 information to let frontends mark
357 : : types that are opaque for TBAA. This however did not work as intended,
358 : : because TYPE_ALIAS_SET == 0 was regularly lost in type merging. */
359 : 629525 : if (RECORD_OR_UNION_TYPE_P (expr))
360 : : {
361 : 91789 : bp_pack_value (bp, TYPE_TRANSPARENT_AGGR (expr), 1);
362 : 91789 : bp_pack_value (bp, TYPE_FINAL_P (expr), 1);
363 : : /* alias_ptr_types_compatible_p relies on fact that during LTO
364 : : types do not get refined from WPA time to ltrans. */
365 : 183578 : bp_pack_value (bp, flag_wpa && TYPE_CANONICAL (expr)
366 : 17351 : ? TYPE_CXX_ODR_P (TYPE_CANONICAL (expr))
367 : 74438 : : TYPE_CXX_ODR_P (expr), 1);
368 : : }
369 : 537736 : else if (TREE_CODE (expr) == ARRAY_TYPE)
370 : 44043 : bp_pack_value (bp, TYPE_NONALIASED_COMPONENT (expr), 1);
371 : 629525 : if (TREE_CODE (expr) == ARRAY_TYPE || TREE_CODE (expr) == INTEGER_TYPE)
372 : 107263 : bp_pack_value (bp, TYPE_STRING_FLAG (expr), 1);
373 : 629525 : if (AGGREGATE_TYPE_P (expr))
374 : 135832 : bp_pack_value (bp, TYPE_TYPELESS_STORAGE (expr), 1);
375 : 629525 : if (!lto_stream_offload_p)
376 : 629525 : bp_pack_value (bp, TYPE_EMPTY_P (expr), 1);
377 : 629525 : if (FUNC_OR_METHOD_TYPE_P (expr))
378 : 166426 : bp_pack_value (bp, TYPE_NO_NAMED_ARGS_STDARG_P (expr), 1);
379 : 629525 : if (RECORD_OR_UNION_TYPE_P (expr))
380 : 91789 : bp_pack_value (bp, TYPE_INCLUDES_FLEXARRAY (expr), 1);
381 : 629525 : bp_pack_var_len_unsigned (bp, TYPE_PRECISION_RAW (expr));
382 : 629525 : bp_pack_var_len_unsigned (bp, TYPE_ALIGN (expr));
383 : 629525 : }
384 : :
385 : :
386 : : /* Pack all the non-pointer fields of the TS_BLOCK structure
387 : : of expression EXPR into bitpack BP. */
388 : :
389 : : static void
390 : 339684 : pack_ts_block_value_fields (struct output_block *ob,
391 : : struct bitpack_d *bp, tree expr)
392 : : {
393 : : /* BLOCK_NUMBER is recomputed. */
394 : : /* Stream BLOCK_SOURCE_LOCATION for the limited cases we can handle - those
395 : : that represent inlined function scopes.
396 : : For the rest them on the floor instead of ICEing in dwarf2out.cc. */
397 : 339684 : if (inlined_function_outer_scope_p (expr))
398 : 76508 : stream_output_location (ob, bp, BLOCK_SOURCE_LOCATION (expr));
399 : : else
400 : 263176 : stream_output_location (ob, bp, UNKNOWN_LOCATION);
401 : 339684 : }
402 : :
403 : : /* Pack all the non-pointer fields of the TS_TRANSLATION_UNIT_DECL structure
404 : : of expression EXPR into bitpack BP. */
405 : :
406 : : static void
407 : 33265 : pack_ts_translation_unit_decl_value_fields (struct output_block *ob,
408 : : struct bitpack_d *bp, tree expr)
409 : : {
410 : 33265 : bp_pack_string (ob, bp, TRANSLATION_UNIT_LANGUAGE (expr), true);
411 : 33265 : }
412 : :
413 : :
414 : : /* Pack all the non-pointer fields of the TS_OMP_CLAUSE structure
415 : : of expression EXPR into bitpack BP. */
416 : :
417 : : static void
418 : 206 : pack_ts_omp_clause_value_fields (struct output_block *ob,
419 : : struct bitpack_d *bp, tree expr)
420 : : {
421 : 206 : stream_output_location (ob, bp, OMP_CLAUSE_LOCATION (expr));
422 : 206 : switch (OMP_CLAUSE_CODE (expr))
423 : : {
424 : 0 : case OMP_CLAUSE_DEFAULT:
425 : 0 : bp_pack_enum (bp, omp_clause_default_kind, OMP_CLAUSE_DEFAULT_LAST,
426 : : OMP_CLAUSE_DEFAULT_KIND (expr));
427 : 0 : break;
428 : 0 : case OMP_CLAUSE_SCHEDULE:
429 : 0 : bp_pack_enum (bp, omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_LAST,
430 : : OMP_CLAUSE_SCHEDULE_KIND (expr));
431 : 0 : break;
432 : 0 : case OMP_CLAUSE_DEPEND:
433 : 0 : bp_pack_enum (bp, omp_clause_depend_kind, OMP_CLAUSE_DEPEND_LAST,
434 : : OMP_CLAUSE_DEPEND_KIND (expr));
435 : 0 : break;
436 : 0 : case OMP_CLAUSE_DOACROSS:
437 : 0 : bp_pack_enum (bp, omp_clause_doacross_kind, OMP_CLAUSE_DOACROSS_LAST,
438 : : OMP_CLAUSE_DOACROSS_KIND (expr));
439 : 0 : break;
440 : 0 : case OMP_CLAUSE_MAP:
441 : 0 : bp_pack_enum (bp, gomp_map_kind, GOMP_MAP_LAST,
442 : : OMP_CLAUSE_MAP_KIND (expr));
443 : 0 : break;
444 : 0 : case OMP_CLAUSE_PROC_BIND:
445 : 0 : bp_pack_enum (bp, omp_clause_proc_bind_kind, OMP_CLAUSE_PROC_BIND_LAST,
446 : : OMP_CLAUSE_PROC_BIND_KIND (expr));
447 : 0 : break;
448 : 0 : case OMP_CLAUSE_REDUCTION:
449 : 0 : case OMP_CLAUSE_TASK_REDUCTION:
450 : 0 : case OMP_CLAUSE_IN_REDUCTION:
451 : 0 : bp_pack_enum (bp, tree_code, MAX_TREE_CODES,
452 : : OMP_CLAUSE_REDUCTION_CODE (expr));
453 : 0 : break;
454 : : default:
455 : : break;
456 : : }
457 : 206 : }
458 : :
459 : :
460 : : /* Pack all the bitfields in EXPR into a bit pack. */
461 : :
462 : : void
463 : 6957554 : streamer_write_tree_bitfields (struct output_block *ob, tree expr)
464 : : {
465 : 6957554 : bitpack_d bp = bitpack_create (ob->main_stream);
466 : 6957554 : enum tree_code code;
467 : :
468 : 6957554 : code = TREE_CODE (expr);
469 : :
470 : : /* Note that all these functions are highly sensitive to changes in
471 : : the types and sizes of each of the fields being packed. */
472 : 6957554 : pack_ts_base_value_fields (&bp, expr);
473 : :
474 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_INT_CST))
475 : 41204 : pack_ts_int_cst_value_fields (&bp, expr);
476 : :
477 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_REAL_CST))
478 : 112770 : pack_ts_real_cst_value_fields (&bp, expr);
479 : :
480 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_FIXED_CST))
481 : 0 : pack_ts_fixed_cst_value_fields (&bp, expr);
482 : :
483 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL))
484 : 1515029 : stream_output_location (ob, &bp, DECL_SOURCE_LOCATION (expr));
485 : :
486 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
487 : 1515029 : pack_ts_decl_common_value_fields (&bp, expr);
488 : :
489 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL))
490 : 1373355 : pack_ts_decl_wrtl_value_fields (&bp, expr);
491 : :
492 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
493 : 910169 : pack_ts_decl_with_vis_value_fields (&bp, expr);
494 : :
495 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL))
496 : 427085 : pack_ts_function_decl_value_fields (&bp, expr);
497 : :
498 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON))
499 : 629525 : pack_ts_type_common_value_fields (&bp, expr);
500 : :
501 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_EXP))
502 : : {
503 : 1705777 : stream_output_location (ob, &bp, EXPR_LOCATION (expr));
504 : 1705777 : if (code == MEM_REF
505 : 1705777 : || code == TARGET_MEM_REF)
506 : : {
507 : 374031 : bp_pack_value (&bp, MR_DEPENDENCE_CLIQUE (expr), sizeof (short) * 8);
508 : 374031 : if (MR_DEPENDENCE_CLIQUE (expr) != 0)
509 : 18332 : bp_pack_value (&bp, MR_DEPENDENCE_BASE (expr), sizeof (short) * 8);
510 : : }
511 : 1331746 : else if (code == CALL_EXPR)
512 : 24 : bp_pack_enum (&bp, internal_fn, IFN_LAST, CALL_EXPR_IFN (expr));
513 : : }
514 : :
515 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_BLOCK))
516 : 339684 : pack_ts_block_value_fields (ob, &bp, expr);
517 : :
518 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_TRANSLATION_UNIT_DECL))
519 : 33265 : pack_ts_translation_unit_decl_value_fields (ob, &bp, expr);
520 : :
521 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_OPTIMIZATION))
522 : 32746 : cl_optimization_stream_out (ob, &bp, TREE_OPTIMIZATION (expr));
523 : :
524 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR))
525 : : {
526 : 237221 : bp_pack_enum (&bp, clobber_kind, CLOBBER_LAST, CLOBBER_KIND (expr));
527 : 454740 : bp_pack_var_len_unsigned (&bp, CONSTRUCTOR_NELTS (expr));
528 : : }
529 : :
530 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION)
531 : : /* Don't stream these when passing things to a different target. */
532 : 32296 : && !lto_stream_offload_p)
533 : 32296 : cl_target_option_stream_out (ob, &bp, TREE_TARGET_OPTION (expr));
534 : :
535 : 6957554 : if (code == OMP_CLAUSE)
536 : 206 : pack_ts_omp_clause_value_fields (ob, &bp, expr);
537 : :
538 : 6957554 : streamer_write_bitpack (&bp);
539 : 6957554 : }
540 : :
541 : :
542 : : /* Emit the chain of tree nodes starting at T. OB is the output block
543 : : to write to. REF_P is true if chain elements should be emitted
544 : : as references. */
545 : :
546 : : static void
547 : 431473 : streamer_write_chain (struct output_block *ob, tree t)
548 : : {
549 : 714103 : while (t)
550 : : {
551 : : /* We avoid outputting external vars or functions by reference
552 : : to the global decls section as we do not want to have them
553 : : enter decl merging. We should not need to do this anymore because
554 : : free_lang_data removes them from block scopes. */
555 : 282630 : gcc_assert (!VAR_OR_FUNCTION_DECL_P (t) || !DECL_EXTERNAL (t));
556 : 282630 : stream_write_tree_ref (ob, t);
557 : :
558 : 282630 : t = TREE_CHAIN (t);
559 : : }
560 : :
561 : : /* Write a sentinel to terminate the chain. */
562 : 431473 : stream_write_tree_ref (ob, NULL_TREE);
563 : 431473 : }
564 : :
565 : :
566 : : /* Write all pointer fields in the TS_COMMON structure of EXPR to output
567 : : block OB. If REF_P is true, write a reference to EXPR's pointer
568 : : fields. */
569 : :
570 : : static void
571 : 6552828 : write_ts_common_tree_pointers (struct output_block *ob, tree expr)
572 : : {
573 : 6552828 : if (TREE_CODE (expr) != IDENTIFIER_NODE)
574 : 5092393 : stream_write_tree_ref (ob, TREE_TYPE (expr));
575 : 6552828 : }
576 : :
577 : :
578 : : /* Write all pointer fields in the TS_VECTOR structure of EXPR to output
579 : : block OB. If REF_P is true, write a reference to EXPR's pointer
580 : : fields. */
581 : :
582 : : static void
583 : 5711 : write_ts_vector_tree_pointers (struct output_block *ob, tree expr)
584 : : {
585 : : /* Note that the number of elements for EXPR has already been emitted
586 : : in EXPR's header (see streamer_write_tree_header). */
587 : 5711 : unsigned int count = vector_cst_encoded_nelts (expr);
588 : 23692 : for (unsigned int i = 0; i < count; ++i)
589 : 17981 : stream_write_tree_ref (ob, VECTOR_CST_ENCODED_ELT (expr, i));
590 : 5711 : }
591 : :
592 : :
593 : : /* Write all pointer fields in the TS_POLY_INT_CST structure of EXPR to
594 : : output block OB. If REF_P is true, write a reference to EXPR's pointer
595 : : fields. */
596 : :
597 : : static void
598 : 0 : write_ts_poly_tree_pointers (struct output_block *ob, tree expr)
599 : : {
600 : 0 : for (unsigned int i = 0; i < NUM_POLY_INT_COEFFS; ++i)
601 : 0 : stream_write_tree_ref (ob, POLY_INT_CST_COEFF (expr, i));
602 : 0 : }
603 : :
604 : :
605 : : /* Write all pointer fields in the TS_COMPLEX structure of EXPR to output
606 : : block OB. If REF_P is true, write a reference to EXPR's pointer
607 : : fields. */
608 : :
609 : : static void
610 : 8007 : write_ts_complex_tree_pointers (struct output_block *ob, tree expr)
611 : : {
612 : 8007 : stream_write_tree_ref (ob, TREE_REALPART (expr));
613 : 8007 : stream_write_tree_ref (ob, TREE_IMAGPART (expr));
614 : 8007 : }
615 : :
616 : :
617 : : /* Write all pointer fields in the TS_DECL_MINIMAL structure of EXPR
618 : : to output block OB. If REF_P is true, write a reference to EXPR's
619 : : pointer fields. */
620 : :
621 : : static void
622 : 1515029 : write_ts_decl_minimal_tree_pointers (struct output_block *ob, tree expr)
623 : : {
624 : : /* Drop names that were created for anonymous entities. */
625 : 1515029 : if (DECL_NAME (expr)
626 : 1333679 : && TREE_CODE (DECL_NAME (expr)) == IDENTIFIER_NODE
627 : 2848708 : && IDENTIFIER_ANON_P (DECL_NAME (expr)))
628 : 508 : stream_write_tree_ref (ob, NULL_TREE);
629 : : else
630 : 1514521 : stream_write_tree_ref (ob, DECL_NAME (expr));
631 : 1515029 : if (TREE_CODE (expr) != TRANSLATION_UNIT_DECL
632 : 1515029 : && ! DECL_CONTEXT (expr))
633 : 14596 : stream_write_tree_ref (ob, (*all_translation_units)[0]);
634 : : else
635 : 1500433 : stream_write_tree_ref (ob, DECL_CONTEXT (expr));
636 : 1515029 : }
637 : :
638 : :
639 : : /* Write all pointer fields in the TS_DECL_COMMON structure of EXPR to
640 : : output block OB. If REF_P is true, write a reference to EXPR's
641 : : pointer fields. */
642 : :
643 : : static void
644 : 1515029 : write_ts_decl_common_tree_pointers (struct output_block *ob, tree expr)
645 : : {
646 : 1515029 : stream_write_tree_ref (ob, DECL_SIZE (expr));
647 : 1515029 : stream_write_tree_ref (ob, DECL_SIZE_UNIT (expr));
648 : :
649 : : /* Note, DECL_INITIAL is not handled here. Since DECL_INITIAL needs
650 : : special handling in LTO, it must be handled by streamer hooks. */
651 : :
652 : 1515029 : stream_write_tree_ref (ob, DECL_ATTRIBUTES (expr));
653 : :
654 : : /* On non-early-LTO enabled targets we claim we compiled with -g0
655 : : but dwarf2out still did its set_decl_origin_self game fooling
656 : : itself late. Und that here since we won't have access to the
657 : : early generated abstract DIEs. */
658 : 1515029 : tree ao = DECL_ABSTRACT_ORIGIN (expr);
659 : 1515029 : if (debug_info_level == DINFO_LEVEL_NONE
660 : 1391062 : && ao == expr)
661 : 1515029 : ao = NULL_TREE;
662 : 1515029 : stream_write_tree_ref (ob, ao);
663 : :
664 : 1060404 : if ((VAR_P (expr) || TREE_CODE (expr) == PARM_DECL)
665 : 1843230 : && DECL_HAS_VALUE_EXPR_P (expr))
666 : 6367 : stream_write_tree_ref (ob, DECL_VALUE_EXPR (expr));
667 : :
668 : 1515029 : if (VAR_P (expr)
669 : 1515029 : && DECL_HAS_DEBUG_EXPR_P (expr))
670 : 1483 : stream_write_tree_ref (ob, DECL_DEBUG_EXPR (expr));
671 : 1515029 : }
672 : :
673 : :
674 : : /* Write all pointer fields in the TS_DECL_NON_COMMON structure of
675 : : EXPR to output block OB. If REF_P is true, write a reference to EXPR's
676 : : pointer fields. */
677 : :
678 : : static void
679 : 0 : write_ts_decl_non_common_tree_pointers (struct output_block *, tree)
680 : : {
681 : 0 : }
682 : :
683 : :
684 : : /* Write all pointer fields in the TS_DECL_WITH_VIS structure of EXPR
685 : : to output block OB. If REF_P is true, write a reference to EXPR's
686 : : pointer fields. */
687 : :
688 : : static void
689 : 910169 : write_ts_decl_with_vis_tree_pointers (struct output_block *ob, tree expr)
690 : : {
691 : : /* Make sure we don't inadvertently set the assembler name. */
692 : 910169 : if (DECL_ASSEMBLER_NAME_SET_P (expr))
693 : 737880 : stream_write_tree_ref (ob, DECL_ASSEMBLER_NAME (expr));
694 : : else
695 : 172289 : stream_write_tree_ref (ob, NULL_TREE);
696 : 910169 : }
697 : :
698 : :
699 : : /* Write all pointer fields in the TS_FIELD_DECL structure of EXPR to
700 : : output block OB. If REF_P is true, write a reference to EXPR's
701 : : pointer fields. */
702 : :
703 : : static void
704 : 108279 : write_ts_field_decl_tree_pointers (struct output_block *ob, tree expr)
705 : : {
706 : 108279 : stream_write_tree_ref (ob, DECL_FIELD_OFFSET (expr));
707 : 108279 : stream_write_tree_ref (ob, DECL_BIT_FIELD_TYPE (expr));
708 : 108279 : stream_write_tree_ref (ob, DECL_BIT_FIELD_REPRESENTATIVE (expr));
709 : 108279 : stream_write_tree_ref (ob, DECL_FIELD_BIT_OFFSET (expr));
710 : 108279 : }
711 : :
712 : :
713 : : /* Write all pointer fields in the TS_FUNCTION_DECL structure of EXPR
714 : : to output block OB. If REF_P is true, write a reference to EXPR's
715 : : pointer fields. */
716 : :
717 : : static void
718 : 427085 : write_ts_function_decl_tree_pointers (struct output_block *ob, tree expr)
719 : : {
720 : : /* DECL_STRUCT_FUNCTION is handled by lto_output_function. */
721 : 427085 : stream_write_tree_ref (ob, DECL_FUNCTION_PERSONALITY (expr));
722 : : /* Don't stream these when passing things to a different target. */
723 : 427085 : if (!lto_stream_offload_p)
724 : 427085 : stream_write_tree_ref (ob, DECL_FUNCTION_SPECIFIC_TARGET (expr));
725 : 427085 : stream_write_tree_ref (ob, DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr));
726 : 427085 : }
727 : :
728 : :
729 : : /* Write all pointer fields in the TS_TYPE_COMMON structure of EXPR to
730 : : output block OB. If REF_P is true, write a reference to EXPR's
731 : : pointer fields. */
732 : :
733 : : static void
734 : 629525 : write_ts_type_common_tree_pointers (struct output_block *ob, tree expr)
735 : : {
736 : 629525 : stream_write_tree_ref (ob, TYPE_SIZE (expr));
737 : 629525 : stream_write_tree_ref (ob, TYPE_SIZE_UNIT (expr));
738 : 629525 : stream_write_tree_ref (ob, TYPE_ATTRIBUTES (expr));
739 : 629525 : stream_write_tree_ref (ob, TYPE_NAME (expr));
740 : : /* Do not stream TYPE_POINTER_TO or TYPE_REFERENCE_TO. They will be
741 : : reconstructed during fixup. */
742 : : /* Do not stream TYPE_NEXT_VARIANT, we reconstruct the variant lists
743 : : during fixup. */
744 : 629525 : stream_write_tree_ref (ob, TYPE_MAIN_VARIANT (expr));
745 : 629525 : stream_write_tree_ref (ob, TYPE_CONTEXT (expr));
746 : : /* TYPE_CANONICAL is re-computed during type merging, so no need
747 : : to stream it here. */
748 : : /* Do not stream TYPE_STUB_DECL; it is not needed by LTO but currently
749 : : it cannot be freed by free_lang_data without triggering ICEs in
750 : : langhooks. */
751 : 629525 : }
752 : :
753 : : /* Write all pointer fields in the TS_TYPE_NON_COMMON structure of EXPR
754 : : to output block OB. If REF_P is true, write a reference to EXPR's
755 : : pointer fields. */
756 : :
757 : : static void
758 : 629525 : write_ts_type_non_common_tree_pointers (struct output_block *ob, tree expr)
759 : : {
760 : 629525 : if (TREE_CODE (expr) == ARRAY_TYPE)
761 : 44043 : stream_write_tree_ref (ob, TYPE_DOMAIN (expr));
762 : 585482 : else if (RECORD_OR_UNION_TYPE_P (expr))
763 : 91789 : streamer_write_chain (ob, TYPE_FIELDS (expr));
764 : 493693 : else if (FUNC_OR_METHOD_TYPE_P (expr))
765 : 166426 : stream_write_tree_ref (ob, TYPE_ARG_TYPES (expr));
766 : :
767 : 629525 : if (!POINTER_TYPE_P (expr))
768 : 378539 : stream_write_tree_ref (ob, TYPE_MIN_VALUE_RAW (expr));
769 : 629525 : stream_write_tree_ref (ob, TYPE_MAX_VALUE_RAW (expr));
770 : 629525 : }
771 : :
772 : :
773 : : /* Write all pointer fields in the TS_LIST structure of EXPR to output
774 : : block OB. If REF_P is true, write a reference to EXPR's pointer
775 : : fields. */
776 : :
777 : : static void
778 : 654717 : write_ts_list_tree_pointers (struct output_block *ob, tree expr)
779 : : {
780 : 654717 : stream_write_tree_ref (ob, TREE_PURPOSE (expr));
781 : 654717 : stream_write_tree_ref (ob, TREE_VALUE (expr));
782 : 654717 : stream_write_tree_ref (ob, TREE_CHAIN (expr));
783 : 654717 : }
784 : :
785 : :
786 : : /* Write all pointer fields in the TS_VEC structure of EXPR to output
787 : : block OB. If REF_P is true, write a reference to EXPR's pointer
788 : : fields. */
789 : :
790 : : static void
791 : 2 : write_ts_vec_tree_pointers (struct output_block *ob, tree expr)
792 : : {
793 : 2 : int i;
794 : :
795 : : /* Note that the number of slots for EXPR has already been emitted
796 : : in EXPR's header (see streamer_write_tree_header). */
797 : 10 : for (i = 0; i < TREE_VEC_LENGTH (expr); i++)
798 : 8 : stream_write_tree_ref (ob, TREE_VEC_ELT (expr, i));
799 : 2 : }
800 : :
801 : :
802 : : /* Write all pointer fields in the TS_EXP structure of EXPR to output
803 : : block OB. If REF_P is true, write a reference to EXPR's pointer
804 : : fields. */
805 : :
806 : : static void
807 : 1705777 : write_ts_exp_tree_pointers (struct output_block *ob, tree expr)
808 : : {
809 : 1705777 : int i;
810 : :
811 : 4127754 : for (i = 0; i < TREE_OPERAND_LENGTH (expr); i++)
812 : 2421977 : stream_write_tree_ref (ob, TREE_OPERAND (expr, i));
813 : 1705777 : stream_write_tree_ref (ob, TREE_BLOCK (expr));
814 : 1705777 : }
815 : :
816 : :
817 : : /* Write all pointer fields in the TS_BLOCK structure of EXPR to output
818 : : block OB. If REF_P is true, write a reference to EXPR's pointer
819 : : fields. */
820 : :
821 : : static void
822 : 339684 : write_ts_block_tree_pointers (struct output_block *ob, tree expr)
823 : : {
824 : 339684 : streamer_write_chain (ob, BLOCK_VARS (expr));
825 : :
826 : 339684 : stream_write_tree_ref (ob, BLOCK_SUPERCONTEXT (expr));
827 : 339684 : stream_write_tree_ref (ob, BLOCK_ABSTRACT_ORIGIN (expr));
828 : :
829 : : /* Do not stream BLOCK_NONLOCALIZED_VARS. We cannot handle debug information
830 : : for early inlined BLOCKs so drop it on the floor instead of ICEing in
831 : : dwarf2out.cc. */
832 : :
833 : : /* BLOCK_FRAGMENT_ORIGIN and BLOCK_FRAGMENT_CHAIN is not live at LTO
834 : : streaming time. */
835 : :
836 : : /* Do not output BLOCK_SUBBLOCKS. Instead on streaming-in this
837 : : list is re-constructed from BLOCK_SUPERCONTEXT. */
838 : 339684 : }
839 : :
840 : :
841 : : /* Write all pointer fields in the TS_BINFO structure of EXPR to output
842 : : block OB. If REF_P is true, write a reference to EXPR's pointer
843 : : fields. */
844 : :
845 : : static void
846 : 7234 : write_ts_binfo_tree_pointers (struct output_block *ob, tree expr)
847 : : {
848 : 7234 : unsigned i;
849 : 7234 : tree t;
850 : :
851 : : /* Note that the number of BINFO slots has already been emitted in
852 : : EXPR's header (see streamer_write_tree_header) because this length
853 : : is needed to build the empty BINFO node on the reader side. */
854 : 14172 : FOR_EACH_VEC_ELT (*BINFO_BASE_BINFOS (expr), i, t)
855 : 6938 : stream_write_tree_ref (ob, t);
856 : 7234 : stream_write_tree_ref (ob, NULL_TREE);
857 : :
858 : 7234 : stream_write_tree_ref (ob, BINFO_OFFSET (expr));
859 : 7234 : stream_write_tree_ref (ob, BINFO_VTABLE (expr));
860 : :
861 : : /* Do not walk BINFO_INHERITANCE_CHAIN, BINFO_SUBVTT_INDEX,
862 : : BINFO_BASE_ACCESSES and BINFO_VPTR_INDEX; these are used by C++ FE only. */
863 : 7234 : }
864 : :
865 : :
866 : : /* Write all pointer fields in the TS_CONSTRUCTOR structure of EXPR to
867 : : output block OB. If REF_P is true, write a reference to EXPR's
868 : : pointer fields. */
869 : :
870 : : static void
871 : 237221 : write_ts_constructor_tree_pointers (struct output_block *ob, tree expr)
872 : : {
873 : 237221 : unsigned i;
874 : 237221 : tree index, value;
875 : :
876 : 767216 : FOR_EACH_CONSTRUCTOR_ELT (CONSTRUCTOR_ELTS (expr), i, index, value)
877 : : {
878 : 529995 : stream_write_tree_ref (ob, index);
879 : 529995 : stream_write_tree_ref (ob, value);
880 : : }
881 : 237221 : }
882 : :
883 : :
884 : : /* Write all pointer fields in the RAW_DATA_CST/TS_RAW_DATA_CST structure of
885 : : EXPR to output block OB. */
886 : :
887 : : static void
888 : 19 : write_ts_raw_data_cst_tree_pointers (struct output_block *ob, tree expr)
889 : : {
890 : : /* Only write this for non-NULL RAW_DATA_OWNER. RAW_DATA_CST with
891 : : NULL RAW_DATA_OWNER is streamed to be read back as STRING_CST. */
892 : 19 : if (RAW_DATA_OWNER (expr) != NULL_TREE)
893 : 17 : stream_write_tree_ref (ob, RAW_DATA_OWNER (expr));
894 : 19 : }
895 : :
896 : :
897 : : /* Write all pointer fields in the TS_OMP_CLAUSE structure of EXPR
898 : : to output block OB. If REF_P is true, write a reference to EXPR's
899 : : pointer fields. */
900 : :
901 : : static void
902 : 206 : write_ts_omp_clause_tree_pointers (struct output_block *ob, tree expr)
903 : : {
904 : 206 : int i;
905 : 482 : for (i = 0; i < omp_clause_num_ops[OMP_CLAUSE_CODE (expr)]; i++)
906 : 276 : stream_write_tree_ref (ob, OMP_CLAUSE_OPERAND (expr, i));
907 : 206 : switch (OMP_CLAUSE_CODE (expr))
908 : : {
909 : 0 : case OMP_CLAUSE_REDUCTION:
910 : 0 : case OMP_CLAUSE_TASK_REDUCTION:
911 : 0 : case OMP_CLAUSE_IN_REDUCTION:
912 : : /* We don't stream these right now, handle it if streaming
913 : : of them is needed. */
914 : 0 : gcc_assert (OMP_CLAUSE_REDUCTION_GIMPLE_INIT (expr) == NULL);
915 : 0 : gcc_assert (OMP_CLAUSE_REDUCTION_GIMPLE_MERGE (expr) == NULL);
916 : : break;
917 : : default:
918 : : break;
919 : : }
920 : 206 : stream_write_tree_ref (ob, OMP_CLAUSE_CHAIN (expr));
921 : 206 : }
922 : :
923 : :
924 : : /* Write all pointer fields in EXPR to output block OB. If REF_P is true,
925 : : the leaves of EXPR are emitted as references. */
926 : :
927 : : void
928 : 6957554 : streamer_write_tree_body (struct output_block *ob, tree expr)
929 : : {
930 : 6957554 : enum tree_code code;
931 : :
932 : 6957554 : lto_stats.num_tree_bodies_output++;
933 : :
934 : 6957554 : code = TREE_CODE (expr);
935 : :
936 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_TYPED))
937 : 6552828 : write_ts_common_tree_pointers (ob, expr);
938 : :
939 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_VECTOR))
940 : 5711 : write_ts_vector_tree_pointers (ob, expr);
941 : :
942 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_POLY_INT_CST))
943 : 0 : write_ts_poly_tree_pointers (ob, expr);
944 : :
945 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_COMPLEX))
946 : 8007 : write_ts_complex_tree_pointers (ob, expr);
947 : :
948 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL))
949 : 1515029 : write_ts_decl_minimal_tree_pointers (ob, expr);
950 : :
951 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
952 : 1515029 : write_ts_decl_common_tree_pointers (ob, expr);
953 : :
954 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_DECL_NON_COMMON))
955 : 6957554 : write_ts_decl_non_common_tree_pointers (ob, expr);
956 : :
957 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
958 : 910169 : write_ts_decl_with_vis_tree_pointers (ob, expr);
959 : :
960 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_FIELD_DECL))
961 : 108279 : write_ts_field_decl_tree_pointers (ob, expr);
962 : :
963 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL))
964 : 427085 : write_ts_function_decl_tree_pointers (ob, expr);
965 : :
966 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON))
967 : 629525 : write_ts_type_common_tree_pointers (ob, expr);
968 : :
969 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_TYPE_NON_COMMON))
970 : 629525 : write_ts_type_non_common_tree_pointers (ob, expr);
971 : :
972 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_LIST))
973 : 654717 : write_ts_list_tree_pointers (ob, expr);
974 : :
975 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_VEC))
976 : 2 : write_ts_vec_tree_pointers (ob, expr);
977 : :
978 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_EXP))
979 : 1705777 : write_ts_exp_tree_pointers (ob, expr);
980 : :
981 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_BLOCK))
982 : 339684 : write_ts_block_tree_pointers (ob, expr);
983 : :
984 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
985 : 7234 : write_ts_binfo_tree_pointers (ob, expr);
986 : :
987 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR))
988 : 237221 : write_ts_constructor_tree_pointers (ob, expr);
989 : :
990 : 6957554 : if (code == RAW_DATA_CST)
991 : 19 : write_ts_raw_data_cst_tree_pointers (ob, expr);
992 : :
993 : 6957554 : if (code == OMP_CLAUSE)
994 : 206 : write_ts_omp_clause_tree_pointers (ob, expr);
995 : 6957554 : }
996 : :
997 : :
998 : : /* Emit header information for tree EXPR to output block OB. The header
999 : : contains everything needed to instantiate an empty skeleton for
1000 : : EXPR on the reading side. IX is the index into the streamer cache
1001 : : where EXPR is stored. */
1002 : :
1003 : : void
1004 : 6957554 : streamer_write_tree_header (struct output_block *ob, tree expr)
1005 : : {
1006 : 6957554 : enum LTO_tags tag;
1007 : 6957554 : enum tree_code code;
1008 : :
1009 : 6957554 : if (streamer_dump_file)
1010 : : {
1011 : 416 : print_node_brief (streamer_dump_file, " Streaming header of ",
1012 : : expr, 4);
1013 : 416 : fprintf (streamer_dump_file, " to %s\n",
1014 : 416 : lto_section_name[ob->section_type]);
1015 : : }
1016 : :
1017 : : /* We should not see any tree nodes not handled by the streamer. */
1018 : 6957554 : code = TREE_CODE (expr);
1019 : :
1020 : : /* The header of a tree node consists of its tag, the size of
1021 : : the node, and any other information needed to instantiate
1022 : : EXPR on the reading side (such as the number of slots in
1023 : : variable sized nodes). */
1024 : 6957554 : tag = lto_tree_code_to_tag (code);
1025 : 6957554 : streamer_write_record_start (ob, tag);
1026 : :
1027 : : /* The text in strings and identifiers are completely emitted in
1028 : : the header. */
1029 : 6957554 : if (CODE_CONTAINS_STRUCT (code, TS_STRING))
1030 : 174971 : streamer_write_string_cst (ob, ob->main_stream, expr);
1031 : 6782583 : else if (CODE_CONTAINS_STRUCT (code, TS_IDENTIFIER))
1032 : 1460435 : write_identifier (ob, ob->main_stream, expr);
1033 : 5322148 : else if (CODE_CONTAINS_STRUCT (code, TS_VECTOR))
1034 : : {
1035 : 5711 : bitpack_d bp = bitpack_create (ob->main_stream);
1036 : 5711 : bp_pack_value (&bp, VECTOR_CST_LOG2_NPATTERNS (expr), 8);
1037 : 5711 : bp_pack_value (&bp, VECTOR_CST_NELTS_PER_PATTERN (expr), 8);
1038 : 5711 : streamer_write_bitpack (&bp);
1039 : : }
1040 : 5316437 : else if (CODE_CONTAINS_STRUCT (code, TS_VEC))
1041 : 2 : streamer_write_hwi (ob, TREE_VEC_LENGTH (expr));
1042 : 5316435 : else if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
1043 : 7234 : streamer_write_uhwi (ob, BINFO_N_BASE_BINFOS (expr));
1044 : 5309201 : else if (TREE_CODE (expr) == CALL_EXPR)
1045 : 24 : streamer_write_uhwi (ob, call_expr_nargs (expr));
1046 : 5309177 : else if (TREE_CODE (expr) == OMP_CLAUSE)
1047 : 206 : streamer_write_uhwi (ob, OMP_CLAUSE_CODE (expr));
1048 : 5308971 : else if (TREE_CODE (expr) == RAW_DATA_CST)
1049 : : {
1050 : 19 : if (RAW_DATA_OWNER (expr) == NULL_TREE)
1051 : : {
1052 : : /* RAW_DATA_CST with NULL RAW_DATA_OWNER is an owner of other
1053 : : RAW_DATA_CST's data. This should be streamed out so that
1054 : : it can be streamed back in as a STRING_CST instead, but without
1055 : : the need to duplicate the possibly large data. */
1056 : 2 : streamer_write_uhwi (ob, 0);
1057 : 2 : streamer_write_string_with_length (ob, ob->main_stream,
1058 : 2 : RAW_DATA_POINTER (expr),
1059 : 2 : RAW_DATA_LENGTH (expr), true);
1060 : : }
1061 : : else
1062 : : {
1063 : 17 : streamer_write_uhwi (ob, RAW_DATA_LENGTH (expr));
1064 : 17 : tree owner = RAW_DATA_OWNER (expr);
1065 : 17 : unsigned HOST_WIDE_INT off;
1066 : 17 : if (TREE_CODE (owner) == STRING_CST)
1067 : 14 : off = RAW_DATA_POINTER (expr) - TREE_STRING_POINTER (owner);
1068 : : else
1069 : : {
1070 : 3 : gcc_checking_assert (TREE_CODE (owner) == RAW_DATA_CST
1071 : : && RAW_DATA_OWNER (owner) == NULL_TREE);
1072 : 3 : off = RAW_DATA_POINTER (expr) - RAW_DATA_POINTER (owner);
1073 : : }
1074 : 17 : streamer_write_uhwi (ob, off);
1075 : : }
1076 : : }
1077 : 5308952 : else if (CODE_CONTAINS_STRUCT (code, TS_INT_CST))
1078 : : {
1079 : 41204 : gcc_checking_assert (TREE_INT_CST_NUNITS (expr));
1080 : 41204 : streamer_write_uhwi (ob, TREE_INT_CST_NUNITS (expr));
1081 : 41204 : streamer_write_uhwi (ob, TREE_INT_CST_EXT_NUNITS (expr));
1082 : : }
1083 : 6957554 : }
1084 : :
1085 : :
1086 : : /* Emit the integer constant CST to output block OB. If REF_P is true,
1087 : : CST's type will be emitted as a reference. */
1088 : :
1089 : : void
1090 : 1036845 : streamer_write_integer_cst (struct output_block *ob, tree cst)
1091 : : {
1092 : 1036845 : int i;
1093 : 1036845 : int len = TREE_INT_CST_NUNITS (cst);
1094 : 1036845 : gcc_assert (!TREE_OVERFLOW (cst));
1095 : 1036845 : if (streamer_dump_file)
1096 : : {
1097 : 140 : print_node_brief (streamer_dump_file, " Streaming integer ",
1098 : : cst, 4);
1099 : 140 : fprintf (streamer_dump_file, "\n");
1100 : : }
1101 : 1036845 : streamer_write_record_start (ob, LTO_integer_cst);
1102 : 1036845 : stream_write_tree_ref (ob, TREE_TYPE (cst));
1103 : : /* We're effectively streaming a non-sign-extended wide_int here,
1104 : : so there's no need to stream TREE_INT_CST_EXT_NUNITS or any
1105 : : array members beyond LEN. We'll recreate the tree from the
1106 : : wide_int and the type. */
1107 : 1036845 : streamer_write_uhwi (ob, len);
1108 : 3115811 : for (i = 0; i < len; i++)
1109 : 1042121 : streamer_write_hwi (ob, TREE_INT_CST_ELT (cst, i));
1110 : 1036845 : }
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