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1 : : /* Routines for emitting trees to a file stream.
2 : :
3 : : Copyright (C) 2011-2024 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 : 176627 : streamer_write_string_cst (struct output_block *ob,
42 : : struct lto_output_stream *index_stream,
43 : : tree string)
44 : : {
45 : 353188 : streamer_write_string_with_length (ob, index_stream,
46 : 176561 : string ? TREE_STRING_POINTER (string)
47 : : : NULL,
48 : 176561 : string ? TREE_STRING_LENGTH (string) : 0,
49 : : true);
50 : 176627 : }
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 : 1422218 : write_identifier (struct output_block *ob,
58 : : struct lto_output_stream *index_stream,
59 : : tree id)
60 : : {
61 : 1422218 : streamer_write_string_with_length (ob, index_stream,
62 : 1422218 : IDENTIFIER_POINTER (id),
63 : 1422218 : IDENTIFIER_LENGTH (id),
64 : : true);
65 : 1422218 : }
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 : 6829310 : pack_ts_base_value_fields (struct bitpack_d *bp, tree expr)
73 : : {
74 : 6829310 : if (streamer_debugging)
75 : : bp_pack_value (bp, TREE_CODE (expr), 16);
76 : 6829310 : if (!TYPE_P (expr))
77 : : {
78 : 6212160 : bp_pack_value (bp, TREE_SIDE_EFFECTS (expr), 1);
79 : 6212160 : bp_pack_value (bp, TREE_CONSTANT (expr), 1);
80 : 6212160 : bp_pack_value (bp, TREE_READONLY (expr), 1);
81 : :
82 : : /* TREE_PUBLIC is used on types to indicate that the type
83 : : has a TYPE_CACHED_VALUES vector. This is not streamed out,
84 : : so we skip it here. */
85 : 6212160 : bp_pack_value (bp, TREE_PUBLIC (expr), 1);
86 : : }
87 : : else
88 : 617150 : bp_pack_value (bp, 0, 4);
89 : 6829310 : bp_pack_value (bp, TREE_ADDRESSABLE (expr), 1);
90 : 6829310 : bp_pack_value (bp, TREE_THIS_VOLATILE (expr), 1);
91 : 6829310 : if (DECL_P (expr))
92 : : {
93 : 1503440 : bp_pack_value (bp, DECL_UNSIGNED (expr), 1);
94 : 1503440 : bp_pack_value (bp, DECL_NAMELESS (expr), 1);
95 : : }
96 : 5325870 : else if (TYPE_P (expr))
97 : 617150 : bp_pack_value (bp, TYPE_UNSIGNED (expr), 1);
98 : : else
99 : 4708720 : bp_pack_value (bp, 0, 1);
100 : : /* We write debug info two times, do not confuse the second one.
101 : : The only relevant TREE_ASM_WRITTEN use is on SSA names. */
102 : 6829310 : bp_pack_value (bp, (TREE_CODE (expr) != SSA_NAME
103 : 0 : ? 0 : TREE_ASM_WRITTEN (expr)), 1);
104 : 6829310 : if (TYPE_P (expr))
105 : 617150 : bp_pack_value (bp, TYPE_ARTIFICIAL (expr), 1);
106 : : else
107 : 6212160 : bp_pack_value (bp, TREE_NO_WARNING (expr), 1);
108 : 6829310 : bp_pack_value (bp, TREE_NOTHROW (expr), 1);
109 : 6829310 : bp_pack_value (bp, TREE_STATIC (expr), 1);
110 : 6829310 : if (TREE_CODE (expr) != TREE_BINFO)
111 : 6822080 : bp_pack_value (bp, TREE_PRIVATE (expr), 1);
112 : : else
113 : 7230 : bp_pack_value (bp, 0, 1);
114 : 6829310 : bp_pack_value (bp, TREE_PROTECTED (expr), 1);
115 : 6829310 : bp_pack_value (bp, TREE_DEPRECATED (expr), 1);
116 : 6829310 : if (TYPE_P (expr))
117 : : {
118 : 617150 : if (AGGREGATE_TYPE_P (expr))
119 : 128698 : bp_pack_value (bp, TYPE_REVERSE_STORAGE_ORDER (expr), 1);
120 : : else
121 : 488452 : bp_pack_value (bp, TYPE_SATURATING (expr), 1);
122 : 617150 : if (lto_stream_offload_p)
123 : : /* Host and offload targets have no common meaning of address
124 : : spaces. */
125 : : ;
126 : : else
127 : 617150 : bp_pack_value (bp, TYPE_ADDR_SPACE (expr), 8);
128 : : }
129 : 6212160 : else if (TREE_CODE (expr) == BIT_FIELD_REF || TREE_CODE (expr) == MEM_REF)
130 : : {
131 : 367634 : bp_pack_value (bp, REF_REVERSE_STORAGE_ORDER (expr), 1);
132 : 367634 : bp_pack_value (bp, 0, 8);
133 : : }
134 : 5844526 : else if (TREE_CODE (expr) == SSA_NAME)
135 : : {
136 : 0 : bp_pack_value (bp, SSA_NAME_IS_DEFAULT_DEF (expr), 1);
137 : 0 : bp_pack_value (bp, 0, 8);
138 : : }
139 : 5844526 : else if (TREE_CODE (expr) == CALL_EXPR)
140 : : {
141 : 24 : bp_pack_value (bp, CALL_EXPR_BY_DESCRIPTOR (expr), 1);
142 : 24 : bp_pack_value (bp, 0, 8);
143 : : }
144 : : else
145 : 5844502 : bp_pack_value (bp, 0, 9);
146 : 6829310 : }
147 : :
148 : :
149 : : /* Pack all the non-pointer fields of the TS_INTEGER_CST structure of
150 : : expression EXPR into bitpack BP. */
151 : :
152 : : static void
153 : 38246 : pack_ts_int_cst_value_fields (struct bitpack_d *bp, tree expr)
154 : : {
155 : 38246 : int i;
156 : : /* Note that the number of elements has already been written out in
157 : : streamer_write_tree_header. */
158 : 77555 : for (i = 0; i < TREE_INT_CST_EXT_NUNITS (expr); i++)
159 : 39309 : bp_pack_var_len_int (bp, TREE_INT_CST_ELT (expr, i));
160 : 38246 : }
161 : :
162 : :
163 : : /* Pack all the non-pointer fields of the TS_REAL_CST structure of
164 : : expression EXPR into bitpack BP. */
165 : :
166 : : static void
167 : 115855 : pack_ts_real_cst_value_fields (struct bitpack_d *bp, tree expr)
168 : : {
169 : 115855 : REAL_VALUE_TYPE r = TREE_REAL_CST (expr);
170 : 115855 : bp_pack_real_value (bp, &r);
171 : 115855 : }
172 : :
173 : :
174 : : /* Pack all the non-pointer fields of the TS_FIXED_CST structure of
175 : : expression EXPR into bitpack BP. */
176 : :
177 : : static void
178 : 0 : pack_ts_fixed_cst_value_fields (struct bitpack_d *bp, tree expr)
179 : : {
180 : 0 : struct fixed_value fv = TREE_FIXED_CST (expr);
181 : 0 : bp_pack_machine_mode (bp, fv.mode);
182 : 0 : bp_pack_var_len_int (bp, fv.data.low);
183 : 0 : bp_pack_var_len_int (bp, fv.data.high);
184 : 0 : }
185 : :
186 : : /* Pack all the non-pointer fields of the TS_DECL_COMMON structure
187 : : of expression EXPR into bitpack BP. */
188 : :
189 : : static void
190 : 1503440 : pack_ts_decl_common_value_fields (struct bitpack_d *bp, tree expr)
191 : : {
192 : 1503440 : bp_pack_machine_mode (bp, DECL_MODE (expr));
193 : 1503440 : bp_pack_value (bp, DECL_NONLOCAL (expr), 1);
194 : 1503440 : bp_pack_value (bp, DECL_VIRTUAL_P (expr), 1);
195 : 1503440 : bp_pack_value (bp, DECL_IGNORED_P (expr), 1);
196 : 1503440 : bp_pack_value (bp, DECL_ABSTRACT_P (expr), 1);
197 : 1503440 : bp_pack_value (bp, DECL_ARTIFICIAL (expr), 1);
198 : 1503440 : bp_pack_value (bp, DECL_USER_ALIGN (expr), 1);
199 : 1503440 : bp_pack_value (bp, DECL_PRESERVE_P (expr), 1);
200 : 1503440 : bp_pack_value (bp, DECL_EXTERNAL (expr), 1);
201 : 1503440 : bp_pack_value (bp, DECL_NOT_GIMPLE_REG_P (expr), 1);
202 : 1503440 : bp_pack_var_len_unsigned (bp, DECL_ALIGN (expr));
203 : :
204 : 1503440 : if (TREE_CODE (expr) == LABEL_DECL)
205 : : {
206 : : /* Note that we do not write LABEL_DECL_UID. The reader will
207 : : always assume an initial value of -1 so that the
208 : : label_to_block_map is recreated by gimple_set_bb. */
209 : 23613 : bp_pack_var_len_unsigned (bp, EH_LANDING_PAD_NR (expr));
210 : : }
211 : :
212 : 1479827 : else if (TREE_CODE (expr) == FIELD_DECL)
213 : : {
214 : 103141 : bp_pack_value (bp, DECL_PACKED (expr), 1);
215 : 103141 : bp_pack_value (bp, DECL_NONADDRESSABLE_P (expr), 1);
216 : 103141 : bp_pack_value (bp, DECL_PADDING_P (expr), 1);
217 : 103141 : if (DECL_BIT_FIELD (expr))
218 : 6041 : bp_pack_value (bp, DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD (expr), 1);
219 : : else
220 : 198397 : bp_pack_value (bp, DECL_FIELD_ABI_IGNORED (expr), 1);
221 : 103141 : bp_pack_value (bp, expr->decl_common.off_align, 8);
222 : 103141 : bp_pack_value (bp, DECL_NOT_FLEXARRAY (expr), 1);
223 : : }
224 : :
225 : 1376686 : else if (VAR_P (expr))
226 : : {
227 : 468845 : bp_pack_value (bp, DECL_HAS_DEBUG_EXPR_P (expr), 1);
228 : 468845 : bp_pack_value (bp, DECL_NONLOCAL_FRAME (expr), 1);
229 : : }
230 : :
231 : 907841 : else if (TREE_CODE (expr) == PARM_DECL)
232 : 324628 : bp_pack_value (bp, DECL_HIDDEN_STRING_LENGTH (expr), 1);
233 : :
234 : 1503440 : if (TREE_CODE (expr) == RESULT_DECL
235 : : || TREE_CODE (expr) == PARM_DECL
236 : : || VAR_P (expr))
237 : : {
238 : 900636 : bp_pack_value (bp, DECL_BY_REFERENCE (expr), 1);
239 : 900636 : if (VAR_P (expr) || TREE_CODE (expr) == PARM_DECL)
240 : 793473 : bp_pack_value (bp, DECL_HAS_VALUE_EXPR_P (expr), 1);
241 : : }
242 : 1503440 : }
243 : :
244 : :
245 : : /* Pack all the non-pointer fields of the TS_DECL_WRTL structure
246 : : of expression EXPR into bitpack BP. */
247 : :
248 : : static void
249 : 1369017 : pack_ts_decl_wrtl_value_fields (struct bitpack_d *bp, tree expr)
250 : : {
251 : 1369017 : bp_pack_value (bp, DECL_REGISTER (expr), 1);
252 : 1369017 : }
253 : :
254 : :
255 : : /* Pack all the non-pointer fields of the TS_DECL_WITH_VIS structure
256 : : of expression EXPR into bitpack BP. */
257 : :
258 : : static void
259 : 913213 : pack_ts_decl_with_vis_value_fields (struct bitpack_d *bp, tree expr)
260 : : {
261 : 913213 : bp_pack_value (bp, DECL_COMMON (expr), 1);
262 : 913213 : bp_pack_value (bp, DECL_DLLIMPORT_P (expr), 1);
263 : 913213 : bp_pack_value (bp, DECL_WEAK (expr), 1);
264 : 913213 : bp_pack_value (bp, DECL_SEEN_IN_BIND_EXPR_P (expr), 1);
265 : 913213 : bp_pack_value (bp, DECL_COMDAT (expr), 1);
266 : 913213 : bp_pack_value (bp, DECL_VISIBILITY (expr), 2);
267 : 913213 : bp_pack_value (bp, DECL_VISIBILITY_SPECIFIED (expr), 1);
268 : :
269 : 913213 : if (VAR_P (expr))
270 : : {
271 : 468845 : bp_pack_value (bp, DECL_HARD_REGISTER (expr), 1);
272 : : /* DECL_IN_TEXT_SECTION is set during final asm output only. */
273 : 468845 : bp_pack_value (bp, DECL_IN_CONSTANT_POOL (expr), 1);
274 : : }
275 : :
276 : 913213 : if (TREE_CODE (expr) == FUNCTION_DECL)
277 : : {
278 : 417506 : bp_pack_value (bp, DECL_FINAL_P (expr), 1);
279 : 417506 : bp_pack_value (bp, DECL_CXX_CONSTRUCTOR_P (expr), 1);
280 : 417506 : bp_pack_value (bp, DECL_CXX_DESTRUCTOR_P (expr), 1);
281 : : }
282 : 913213 : }
283 : :
284 : :
285 : : /* Pack all the non-pointer fields of the TS_FUNCTION_DECL structure
286 : : of expression EXPR into bitpack BP. */
287 : :
288 : : static void
289 : 417506 : pack_ts_function_decl_value_fields (struct bitpack_d *bp, tree expr)
290 : : {
291 : 417506 : bp_pack_enum (bp, built_in_class, BUILT_IN_LAST,
292 : : DECL_BUILT_IN_CLASS (expr));
293 : 417506 : bp_pack_value (bp, DECL_STATIC_CONSTRUCTOR (expr), 1);
294 : 417506 : bp_pack_value (bp, DECL_STATIC_DESTRUCTOR (expr), 1);
295 : 417506 : bp_pack_value (bp, DECL_UNINLINABLE (expr), 1);
296 : 417506 : bp_pack_value (bp, DECL_POSSIBLY_INLINED (expr), 1);
297 : 417506 : bp_pack_value (bp, DECL_IS_NOVOPS (expr), 1);
298 : 417506 : bp_pack_value (bp, DECL_IS_RETURNS_TWICE (expr), 1);
299 : 417506 : bp_pack_value (bp, DECL_IS_MALLOC (expr), 1);
300 : 417506 : bp_pack_value (bp, FUNCTION_DECL_DECL_TYPE (expr), 2);
301 : 417506 : bp_pack_value (bp, DECL_IS_OPERATOR_DELETE_P (expr), 1);
302 : 417506 : bp_pack_value (bp, DECL_DECLARED_INLINE_P (expr), 1);
303 : 417506 : bp_pack_value (bp, DECL_STATIC_CHAIN (expr), 1);
304 : 417506 : bp_pack_value (bp, DECL_NO_INLINE_WARNING_P (expr), 1);
305 : 417506 : bp_pack_value (bp, DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (expr), 1);
306 : 417506 : bp_pack_value (bp, DECL_NO_LIMIT_STACK (expr), 1);
307 : 417506 : bp_pack_value (bp, DECL_DISREGARD_INLINE_LIMITS (expr), 1);
308 : 417506 : bp_pack_value (bp, DECL_PURE_P (expr), 1);
309 : 417506 : bp_pack_value (bp, DECL_LOOPING_CONST_OR_PURE_P (expr), 1);
310 : 417506 : bp_pack_value (bp, DECL_IS_REPLACEABLE_OPERATOR (expr), 1);
311 : 417506 : if (DECL_BUILT_IN_CLASS (expr) != NOT_BUILT_IN)
312 : 30873 : bp_pack_value (bp, DECL_UNCHECKED_FUNCTION_CODE (expr), 32);
313 : 417506 : }
314 : :
315 : :
316 : : /* Pack all the non-pointer fields of the TS_TYPE_COMMON structure
317 : : of expression EXPR into bitpack BP. */
318 : :
319 : : static void
320 : 617150 : pack_ts_type_common_value_fields (struct bitpack_d *bp, tree expr)
321 : : {
322 : : /* for VECTOR_TYPE, TYPE_MODE reevaluates the mode using target_flags
323 : : not necessary valid in a global context.
324 : : Use the raw value previously set by layout_type. */
325 : 617150 : bp_pack_machine_mode (bp, TYPE_MODE_RAW (expr));
326 : : /* TYPE_NO_FORCE_BLK is private to stor-layout and need
327 : : no streaming. */
328 : 617150 : bp_pack_value (bp, TYPE_PACKED (expr), 1);
329 : 617150 : bp_pack_value (bp, TYPE_RESTRICT (expr), 1);
330 : 617150 : bp_pack_value (bp, TYPE_USER_ALIGN (expr), 1);
331 : 617150 : bp_pack_value (bp, TYPE_READONLY (expr), 1);
332 : 617150 : unsigned vla_p;
333 : 617150 : if (in_lto_p)
334 : 180027 : vla_p = TYPE_LANG_FLAG_0 (TYPE_MAIN_VARIANT (expr));
335 : : else
336 : 437123 : vla_p = variably_modified_type_p (expr, NULL_TREE);
337 : 617150 : bp_pack_value (bp, vla_p, 1);
338 : : /* We used to stream TYPE_ALIAS_SET == 0 information to let frontends mark
339 : : types that are opaque for TBAA. This however did not work as intended,
340 : : because TYPE_ALIAS_SET == 0 was regularly lost in type merging. */
341 : 617150 : if (RECORD_OR_UNION_TYPE_P (expr))
342 : : {
343 : 87855 : bp_pack_value (bp, TYPE_TRANSPARENT_AGGR (expr), 1);
344 : 87855 : bp_pack_value (bp, TYPE_FINAL_P (expr), 1);
345 : : /* alias_ptr_types_compatible_p relies on fact that during LTO
346 : : types do not get refined from WPA time to ltrans. */
347 : 175710 : bp_pack_value (bp, flag_wpa && TYPE_CANONICAL (expr)
348 : 16239 : ? TYPE_CXX_ODR_P (TYPE_CANONICAL (expr))
349 : 71616 : : TYPE_CXX_ODR_P (expr), 1);
350 : : }
351 : 529295 : else if (TREE_CODE (expr) == ARRAY_TYPE)
352 : 40843 : bp_pack_value (bp, TYPE_NONALIASED_COMPONENT (expr), 1);
353 : 617150 : if (TREE_CODE (expr) == ARRAY_TYPE || TREE_CODE (expr) == INTEGER_TYPE)
354 : 100296 : bp_pack_value (bp, TYPE_STRING_FLAG (expr), 1);
355 : 617150 : if (AGGREGATE_TYPE_P (expr))
356 : 128698 : bp_pack_value (bp, TYPE_TYPELESS_STORAGE (expr), 1);
357 : 617150 : bp_pack_value (bp, TYPE_EMPTY_P (expr), 1);
358 : 617150 : if (FUNC_OR_METHOD_TYPE_P (expr))
359 : 176297 : bp_pack_value (bp, TYPE_NO_NAMED_ARGS_STDARG_P (expr), 1);
360 : 617150 : if (RECORD_OR_UNION_TYPE_P (expr))
361 : 87855 : bp_pack_value (bp, TYPE_INCLUDES_FLEXARRAY (expr), 1);
362 : 617150 : bp_pack_var_len_unsigned (bp, TYPE_PRECISION_RAW (expr));
363 : 617150 : bp_pack_var_len_unsigned (bp, TYPE_ALIGN (expr));
364 : 617150 : }
365 : :
366 : :
367 : : /* Pack all the non-pointer fields of the TS_BLOCK structure
368 : : of expression EXPR into bitpack BP. */
369 : :
370 : : static void
371 : 326389 : pack_ts_block_value_fields (struct output_block *ob,
372 : : struct bitpack_d *bp, tree expr)
373 : : {
374 : : /* BLOCK_NUMBER is recomputed. */
375 : : /* Stream BLOCK_SOURCE_LOCATION for the limited cases we can handle - those
376 : : that represent inlined function scopes.
377 : : For the rest them on the floor instead of ICEing in dwarf2out.cc. */
378 : 326389 : if (inlined_function_outer_scope_p (expr))
379 : 71834 : stream_output_location (ob, bp, BLOCK_SOURCE_LOCATION (expr));
380 : : else
381 : 254555 : stream_output_location (ob, bp, UNKNOWN_LOCATION);
382 : 326389 : }
383 : :
384 : : /* Pack all the non-pointer fields of the TS_TRANSLATION_UNIT_DECL structure
385 : : of expression EXPR into bitpack BP. */
386 : :
387 : : static void
388 : 31151 : pack_ts_translation_unit_decl_value_fields (struct output_block *ob,
389 : : struct bitpack_d *bp, tree expr)
390 : : {
391 : 31151 : bp_pack_string (ob, bp, TRANSLATION_UNIT_LANGUAGE (expr), true);
392 : 31151 : }
393 : :
394 : :
395 : : /* Pack all the non-pointer fields of the TS_OMP_CLAUSE structure
396 : : of expression EXPR into bitpack BP. */
397 : :
398 : : static void
399 : 204 : pack_ts_omp_clause_value_fields (struct output_block *ob,
400 : : struct bitpack_d *bp, tree expr)
401 : : {
402 : 204 : stream_output_location (ob, bp, OMP_CLAUSE_LOCATION (expr));
403 : 204 : switch (OMP_CLAUSE_CODE (expr))
404 : : {
405 : 0 : case OMP_CLAUSE_DEFAULT:
406 : 0 : bp_pack_enum (bp, omp_clause_default_kind, OMP_CLAUSE_DEFAULT_LAST,
407 : : OMP_CLAUSE_DEFAULT_KIND (expr));
408 : 0 : break;
409 : 0 : case OMP_CLAUSE_SCHEDULE:
410 : 0 : bp_pack_enum (bp, omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_LAST,
411 : : OMP_CLAUSE_SCHEDULE_KIND (expr));
412 : 0 : break;
413 : 0 : case OMP_CLAUSE_DEPEND:
414 : 0 : bp_pack_enum (bp, omp_clause_depend_kind, OMP_CLAUSE_DEPEND_LAST,
415 : : OMP_CLAUSE_DEPEND_KIND (expr));
416 : 0 : break;
417 : 0 : case OMP_CLAUSE_DOACROSS:
418 : 0 : bp_pack_enum (bp, omp_clause_doacross_kind, OMP_CLAUSE_DOACROSS_LAST,
419 : : OMP_CLAUSE_DOACROSS_KIND (expr));
420 : 0 : break;
421 : 0 : case OMP_CLAUSE_MAP:
422 : 0 : bp_pack_enum (bp, gomp_map_kind, GOMP_MAP_LAST,
423 : : OMP_CLAUSE_MAP_KIND (expr));
424 : 0 : break;
425 : 0 : case OMP_CLAUSE_PROC_BIND:
426 : 0 : bp_pack_enum (bp, omp_clause_proc_bind_kind, OMP_CLAUSE_PROC_BIND_LAST,
427 : : OMP_CLAUSE_PROC_BIND_KIND (expr));
428 : 0 : break;
429 : 0 : case OMP_CLAUSE_REDUCTION:
430 : 0 : case OMP_CLAUSE_TASK_REDUCTION:
431 : 0 : case OMP_CLAUSE_IN_REDUCTION:
432 : 0 : bp_pack_enum (bp, tree_code, MAX_TREE_CODES,
433 : : OMP_CLAUSE_REDUCTION_CODE (expr));
434 : 0 : break;
435 : : default:
436 : : break;
437 : : }
438 : 204 : }
439 : :
440 : :
441 : : /* Pack all the bitfields in EXPR into a bit pack. */
442 : :
443 : : void
444 : 6829310 : streamer_write_tree_bitfields (struct output_block *ob, tree expr)
445 : : {
446 : 6829310 : bitpack_d bp = bitpack_create (ob->main_stream);
447 : 6829310 : enum tree_code code;
448 : :
449 : 6829310 : code = TREE_CODE (expr);
450 : :
451 : : /* Note that all these functions are highly sensitive to changes in
452 : : the types and sizes of each of the fields being packed. */
453 : 6829310 : pack_ts_base_value_fields (&bp, expr);
454 : :
455 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_INT_CST))
456 : 38246 : pack_ts_int_cst_value_fields (&bp, expr);
457 : :
458 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_REAL_CST))
459 : 115855 : pack_ts_real_cst_value_fields (&bp, expr);
460 : :
461 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_FIXED_CST))
462 : 0 : pack_ts_fixed_cst_value_fields (&bp, expr);
463 : :
464 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL))
465 : 1503440 : stream_output_location (ob, &bp, DECL_SOURCE_LOCATION (expr));
466 : :
467 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
468 : 1503440 : pack_ts_decl_common_value_fields (&bp, expr);
469 : :
470 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL))
471 : 1369017 : pack_ts_decl_wrtl_value_fields (&bp, expr);
472 : :
473 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
474 : 913213 : pack_ts_decl_with_vis_value_fields (&bp, expr);
475 : :
476 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL))
477 : 417506 : pack_ts_function_decl_value_fields (&bp, expr);
478 : :
479 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON))
480 : 617150 : pack_ts_type_common_value_fields (&bp, expr);
481 : :
482 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_EXP))
483 : : {
484 : 1680265 : stream_output_location (ob, &bp, EXPR_LOCATION (expr));
485 : 1680265 : if (code == MEM_REF
486 : 1680265 : || code == TARGET_MEM_REF)
487 : : {
488 : 363952 : bp_pack_value (&bp, MR_DEPENDENCE_CLIQUE (expr), sizeof (short) * 8);
489 : 363952 : if (MR_DEPENDENCE_CLIQUE (expr) != 0)
490 : 17021 : bp_pack_value (&bp, MR_DEPENDENCE_BASE (expr), sizeof (short) * 8);
491 : : }
492 : 1316313 : else if (code == CALL_EXPR)
493 : 24 : bp_pack_enum (&bp, internal_fn, IFN_LAST, CALL_EXPR_IFN (expr));
494 : : }
495 : :
496 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_BLOCK))
497 : 326389 : pack_ts_block_value_fields (ob, &bp, expr);
498 : :
499 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_TRANSLATION_UNIT_DECL))
500 : 31151 : pack_ts_translation_unit_decl_value_fields (ob, &bp, expr);
501 : :
502 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_OPTIMIZATION))
503 : 30632 : cl_optimization_stream_out (ob, &bp, TREE_OPTIMIZATION (expr));
504 : :
505 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR))
506 : : {
507 : 235542 : bp_pack_enum (&bp, clobber_kind, CLOBBER_LAST, CLOBBER_KIND (expr));
508 : 452314 : bp_pack_var_len_unsigned (&bp, CONSTRUCTOR_NELTS (expr));
509 : : }
510 : :
511 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION)
512 : : /* Don't stream these when passing things to a different target. */
513 : 30270 : && !lto_stream_offload_p)
514 : 30270 : cl_target_option_stream_out (ob, &bp, TREE_TARGET_OPTION (expr));
515 : :
516 : 6829310 : if (code == OMP_CLAUSE)
517 : 204 : pack_ts_omp_clause_value_fields (ob, &bp, expr);
518 : :
519 : 6829310 : streamer_write_bitpack (&bp);
520 : 6829310 : }
521 : :
522 : :
523 : : /* Emit the chain of tree nodes starting at T. OB is the output block
524 : : to write to. REF_P is true if chain elements should be emitted
525 : : as references. */
526 : :
527 : : static void
528 : 414244 : streamer_write_chain (struct output_block *ob, tree t)
529 : : {
530 : 682224 : while (t)
531 : : {
532 : : /* We avoid outputting external vars or functions by reference
533 : : to the global decls section as we do not want to have them
534 : : enter decl merging. We should not need to do this anymore because
535 : : free_lang_data removes them from block scopes. */
536 : 267980 : gcc_assert (!VAR_OR_FUNCTION_DECL_P (t) || !DECL_EXTERNAL (t));
537 : 267980 : stream_write_tree_ref (ob, t);
538 : :
539 : 267980 : t = TREE_CHAIN (t);
540 : : }
541 : :
542 : : /* Write a sentinel to terminate the chain. */
543 : 414244 : stream_write_tree_ref (ob, NULL_TREE);
544 : 414244 : }
545 : :
546 : :
547 : : /* Write all pointer fields in the TS_COMMON structure of EXPR to output
548 : : block OB. If REF_P is true, write a reference to EXPR's pointer
549 : : fields. */
550 : :
551 : : static void
552 : 6442019 : write_ts_common_tree_pointers (struct output_block *ob, tree expr)
553 : : {
554 : 6442019 : if (TREE_CODE (expr) != IDENTIFIER_NODE)
555 : 5019801 : stream_write_tree_ref (ob, TREE_TYPE (expr));
556 : 6442019 : }
557 : :
558 : :
559 : : /* Write all pointer fields in the TS_VECTOR structure of EXPR to output
560 : : block OB. If REF_P is true, write a reference to EXPR's pointer
561 : : fields. */
562 : :
563 : : static void
564 : 5629 : write_ts_vector_tree_pointers (struct output_block *ob, tree expr)
565 : : {
566 : : /* Note that the number of elements for EXPR has already been emitted
567 : : in EXPR's header (see streamer_write_tree_header). */
568 : 5629 : unsigned int count = vector_cst_encoded_nelts (expr);
569 : 23499 : for (unsigned int i = 0; i < count; ++i)
570 : 17870 : stream_write_tree_ref (ob, VECTOR_CST_ENCODED_ELT (expr, i));
571 : 5629 : }
572 : :
573 : :
574 : : /* Write all pointer fields in the TS_POLY_INT_CST structure of EXPR to
575 : : output block OB. If REF_P is true, write a reference to EXPR's pointer
576 : : fields. */
577 : :
578 : : static void
579 : 0 : write_ts_poly_tree_pointers (struct output_block *ob, tree expr)
580 : : {
581 : 0 : for (unsigned int i = 0; i < NUM_POLY_INT_COEFFS; ++i)
582 : 0 : stream_write_tree_ref (ob, POLY_INT_CST_COEFF (expr, i));
583 : 0 : }
584 : :
585 : :
586 : : /* Write all pointer fields in the TS_COMPLEX structure of EXPR to output
587 : : block OB. If REF_P is true, write a reference to EXPR's pointer
588 : : fields. */
589 : :
590 : : static void
591 : 7952 : write_ts_complex_tree_pointers (struct output_block *ob, tree expr)
592 : : {
593 : 7952 : stream_write_tree_ref (ob, TREE_REALPART (expr));
594 : 7952 : stream_write_tree_ref (ob, TREE_IMAGPART (expr));
595 : 7952 : }
596 : :
597 : :
598 : : /* Write all pointer fields in the TS_DECL_MINIMAL structure of EXPR
599 : : to output block OB. If REF_P is true, write a reference to EXPR's
600 : : pointer fields. */
601 : :
602 : : static void
603 : 1503440 : write_ts_decl_minimal_tree_pointers (struct output_block *ob, tree expr)
604 : : {
605 : : /* Drop names that were created for anonymous entities. */
606 : 1503440 : if (DECL_NAME (expr)
607 : 1304306 : && TREE_CODE (DECL_NAME (expr)) == IDENTIFIER_NODE
608 : 2807746 : && IDENTIFIER_ANON_P (DECL_NAME (expr)))
609 : 445 : stream_write_tree_ref (ob, NULL_TREE);
610 : : else
611 : 1502995 : stream_write_tree_ref (ob, DECL_NAME (expr));
612 : 1503440 : if (TREE_CODE (expr) != TRANSLATION_UNIT_DECL
613 : 1503440 : && ! DECL_CONTEXT (expr))
614 : 13621 : stream_write_tree_ref (ob, (*all_translation_units)[0]);
615 : : else
616 : 1489819 : stream_write_tree_ref (ob, DECL_CONTEXT (expr));
617 : 1503440 : }
618 : :
619 : :
620 : : /* Write all pointer fields in the TS_DECL_COMMON structure of EXPR to
621 : : output block OB. If REF_P is true, write a reference to EXPR's
622 : : pointer fields. */
623 : :
624 : : static void
625 : 1503440 : write_ts_decl_common_tree_pointers (struct output_block *ob, tree expr)
626 : : {
627 : 1503440 : stream_write_tree_ref (ob, DECL_SIZE (expr));
628 : 1503440 : stream_write_tree_ref (ob, DECL_SIZE_UNIT (expr));
629 : :
630 : : /* Note, DECL_INITIAL is not handled here. Since DECL_INITIAL needs
631 : : special handling in LTO, it must be handled by streamer hooks. */
632 : :
633 : 1503440 : stream_write_tree_ref (ob, DECL_ATTRIBUTES (expr));
634 : :
635 : : /* On non-early-LTO enabled targets we claim we compiled with -g0
636 : : but dwarf2out still did its set_decl_origin_self game fooling
637 : : itself late. Und that here since we won't have access to the
638 : : early generated abstract DIEs. */
639 : 1503440 : tree ao = DECL_ABSTRACT_ORIGIN (expr);
640 : 1503440 : if (debug_info_level == DINFO_LEVEL_NONE
641 : 1387791 : && ao == expr)
642 : 1503440 : ao = NULL_TREE;
643 : 1503440 : stream_write_tree_ref (ob, ao);
644 : :
645 : 1034595 : if ((VAR_P (expr) || TREE_CODE (expr) == PARM_DECL)
646 : 1828068 : && DECL_HAS_VALUE_EXPR_P (expr))
647 : 4119 : stream_write_tree_ref (ob, DECL_VALUE_EXPR (expr));
648 : :
649 : 1503440 : if (VAR_P (expr)
650 : 1503440 : && DECL_HAS_DEBUG_EXPR_P (expr))
651 : 1756 : stream_write_tree_ref (ob, DECL_DEBUG_EXPR (expr));
652 : 1503440 : }
653 : :
654 : :
655 : : /* Write all pointer fields in the TS_DECL_NON_COMMON structure of
656 : : EXPR to output block OB. If REF_P is true, write a reference to EXPR's
657 : : pointer fields. */
658 : :
659 : : static void
660 : 0 : write_ts_decl_non_common_tree_pointers (struct output_block *, tree)
661 : : {
662 : 0 : }
663 : :
664 : :
665 : : /* Write all pointer fields in the TS_DECL_WITH_VIS structure of EXPR
666 : : to output block OB. If REF_P is true, write a reference to EXPR's
667 : : pointer fields. */
668 : :
669 : : static void
670 : 913213 : write_ts_decl_with_vis_tree_pointers (struct output_block *ob, tree expr)
671 : : {
672 : : /* Make sure we don't inadvertently set the assembler name. */
673 : 913213 : if (DECL_ASSEMBLER_NAME_SET_P (expr))
674 : 724940 : stream_write_tree_ref (ob, DECL_ASSEMBLER_NAME (expr));
675 : : else
676 : 188273 : stream_write_tree_ref (ob, NULL_TREE);
677 : 913213 : }
678 : :
679 : :
680 : : /* Write all pointer fields in the TS_FIELD_DECL structure of EXPR to
681 : : output block OB. If REF_P is true, write a reference to EXPR's
682 : : pointer fields. */
683 : :
684 : : static void
685 : 103141 : write_ts_field_decl_tree_pointers (struct output_block *ob, tree expr)
686 : : {
687 : 103141 : stream_write_tree_ref (ob, DECL_FIELD_OFFSET (expr));
688 : 103141 : stream_write_tree_ref (ob, DECL_BIT_FIELD_TYPE (expr));
689 : 103141 : stream_write_tree_ref (ob, DECL_BIT_FIELD_REPRESENTATIVE (expr));
690 : 103141 : stream_write_tree_ref (ob, DECL_FIELD_BIT_OFFSET (expr));
691 : 103141 : }
692 : :
693 : :
694 : : /* Write all pointer fields in the TS_FUNCTION_DECL structure of EXPR
695 : : to output block OB. If REF_P is true, write a reference to EXPR's
696 : : pointer fields. */
697 : :
698 : : static void
699 : 417506 : write_ts_function_decl_tree_pointers (struct output_block *ob, tree expr)
700 : : {
701 : : /* DECL_STRUCT_FUNCTION is handled by lto_output_function. */
702 : 417506 : stream_write_tree_ref (ob, DECL_FUNCTION_PERSONALITY (expr));
703 : : /* Don't stream these when passing things to a different target. */
704 : 417506 : if (!lto_stream_offload_p)
705 : 417506 : stream_write_tree_ref (ob, DECL_FUNCTION_SPECIFIC_TARGET (expr));
706 : 417506 : stream_write_tree_ref (ob, DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr));
707 : 417506 : }
708 : :
709 : :
710 : : /* Write all pointer fields in the TS_TYPE_COMMON structure of EXPR to
711 : : output block OB. If REF_P is true, write a reference to EXPR's
712 : : pointer fields. */
713 : :
714 : : static void
715 : 617150 : write_ts_type_common_tree_pointers (struct output_block *ob, tree expr)
716 : : {
717 : 617150 : stream_write_tree_ref (ob, TYPE_SIZE (expr));
718 : 617150 : stream_write_tree_ref (ob, TYPE_SIZE_UNIT (expr));
719 : 617150 : stream_write_tree_ref (ob, TYPE_ATTRIBUTES (expr));
720 : 617150 : stream_write_tree_ref (ob, TYPE_NAME (expr));
721 : : /* Do not stream TYPE_POINTER_TO or TYPE_REFERENCE_TO. They will be
722 : : reconstructed during fixup. */
723 : : /* Do not stream TYPE_NEXT_VARIANT, we reconstruct the variant lists
724 : : during fixup. */
725 : 617150 : stream_write_tree_ref (ob, TYPE_MAIN_VARIANT (expr));
726 : 617150 : stream_write_tree_ref (ob, TYPE_CONTEXT (expr));
727 : : /* TYPE_CANONICAL is re-computed during type merging, so no need
728 : : to stream it here. */
729 : : /* Do not stream TYPE_STUB_DECL; it is not needed by LTO but currently
730 : : it cannot be freed by free_lang_data without triggering ICEs in
731 : : langhooks. */
732 : 617150 : }
733 : :
734 : : /* Write all pointer fields in the TS_TYPE_NON_COMMON structure of EXPR
735 : : to output block OB. If REF_P is true, write a reference to EXPR's
736 : : pointer fields. */
737 : :
738 : : static void
739 : 617150 : write_ts_type_non_common_tree_pointers (struct output_block *ob, tree expr)
740 : : {
741 : 617150 : if (TREE_CODE (expr) == ARRAY_TYPE)
742 : 40843 : stream_write_tree_ref (ob, TYPE_DOMAIN (expr));
743 : 576307 : else if (RECORD_OR_UNION_TYPE_P (expr))
744 : 87855 : streamer_write_chain (ob, TYPE_FIELDS (expr));
745 : 488452 : else if (FUNC_OR_METHOD_TYPE_P (expr))
746 : 176297 : stream_write_tree_ref (ob, TYPE_ARG_TYPES (expr));
747 : :
748 : 617150 : if (!POINTER_TYPE_P (expr))
749 : 376880 : stream_write_tree_ref (ob, TYPE_MIN_VALUE_RAW (expr));
750 : 617150 : stream_write_tree_ref (ob, TYPE_MAX_VALUE_RAW (expr));
751 : 617150 : }
752 : :
753 : :
754 : : /* Write all pointer fields in the TS_LIST structure of EXPR to output
755 : : block OB. If REF_P is true, write a reference to EXPR's pointer
756 : : fields. */
757 : :
758 : : static void
759 : 631793 : write_ts_list_tree_pointers (struct output_block *ob, tree expr)
760 : : {
761 : 631793 : stream_write_tree_ref (ob, TREE_PURPOSE (expr));
762 : 631793 : stream_write_tree_ref (ob, TREE_VALUE (expr));
763 : 631793 : stream_write_tree_ref (ob, TREE_CHAIN (expr));
764 : 631793 : }
765 : :
766 : :
767 : : /* Write all pointer fields in the TS_VEC structure of EXPR to output
768 : : block OB. If REF_P is true, write a reference to EXPR's pointer
769 : : fields. */
770 : :
771 : : static void
772 : 0 : write_ts_vec_tree_pointers (struct output_block *ob, tree expr)
773 : : {
774 : 0 : int i;
775 : :
776 : : /* Note that the number of slots for EXPR has already been emitted
777 : : in EXPR's header (see streamer_write_tree_header). */
778 : 0 : for (i = 0; i < TREE_VEC_LENGTH (expr); i++)
779 : 0 : stream_write_tree_ref (ob, TREE_VEC_ELT (expr, i));
780 : 0 : }
781 : :
782 : :
783 : : /* Write all pointer fields in the TS_EXP structure of EXPR to output
784 : : block OB. If REF_P is true, write a reference to EXPR's pointer
785 : : fields. */
786 : :
787 : : static void
788 : 1680265 : write_ts_exp_tree_pointers (struct output_block *ob, tree expr)
789 : : {
790 : 1680265 : int i;
791 : :
792 : 4048872 : for (i = 0; i < TREE_OPERAND_LENGTH (expr); i++)
793 : 2368607 : stream_write_tree_ref (ob, TREE_OPERAND (expr, i));
794 : 1680265 : stream_write_tree_ref (ob, TREE_BLOCK (expr));
795 : 1680265 : }
796 : :
797 : :
798 : : /* Write all pointer fields in the TS_BLOCK structure of EXPR to output
799 : : block OB. If REF_P is true, write a reference to EXPR's pointer
800 : : fields. */
801 : :
802 : : static void
803 : 326389 : write_ts_block_tree_pointers (struct output_block *ob, tree expr)
804 : : {
805 : 326389 : streamer_write_chain (ob, BLOCK_VARS (expr));
806 : :
807 : 326389 : stream_write_tree_ref (ob, BLOCK_SUPERCONTEXT (expr));
808 : 326389 : stream_write_tree_ref (ob, BLOCK_ABSTRACT_ORIGIN (expr));
809 : :
810 : : /* Do not stream BLOCK_NONLOCALIZED_VARS. We cannot handle debug information
811 : : for early inlined BLOCKs so drop it on the floor instead of ICEing in
812 : : dwarf2out.cc. */
813 : :
814 : : /* BLOCK_FRAGMENT_ORIGIN and BLOCK_FRAGMENT_CHAIN is not live at LTO
815 : : streaming time. */
816 : :
817 : : /* Do not output BLOCK_SUBBLOCKS. Instead on streaming-in this
818 : : list is re-constructed from BLOCK_SUPERCONTEXT. */
819 : 326389 : }
820 : :
821 : :
822 : : /* Write all pointer fields in the TS_BINFO structure of EXPR to output
823 : : block OB. If REF_P is true, write a reference to EXPR's pointer
824 : : fields. */
825 : :
826 : : static void
827 : 7230 : write_ts_binfo_tree_pointers (struct output_block *ob, tree expr)
828 : : {
829 : 7230 : unsigned i;
830 : 7230 : tree t;
831 : :
832 : : /* Note that the number of BINFO slots has already been emitted in
833 : : EXPR's header (see streamer_write_tree_header) because this length
834 : : is needed to build the empty BINFO node on the reader side. */
835 : 14150 : FOR_EACH_VEC_ELT (*BINFO_BASE_BINFOS (expr), i, t)
836 : 6920 : stream_write_tree_ref (ob, t);
837 : 7230 : stream_write_tree_ref (ob, NULL_TREE);
838 : :
839 : 7230 : stream_write_tree_ref (ob, BINFO_OFFSET (expr));
840 : 7230 : stream_write_tree_ref (ob, BINFO_VTABLE (expr));
841 : :
842 : : /* Do not walk BINFO_INHERITANCE_CHAIN, BINFO_SUBVTT_INDEX,
843 : : BINFO_BASE_ACCESSES and BINFO_VPTR_INDEX; these are used by C++ FE only. */
844 : 7230 : }
845 : :
846 : :
847 : : /* Write all pointer fields in the TS_CONSTRUCTOR structure of EXPR to
848 : : output block OB. If REF_P is true, write a reference to EXPR's
849 : : pointer fields. */
850 : :
851 : : static void
852 : 235542 : write_ts_constructor_tree_pointers (struct output_block *ob, tree expr)
853 : : {
854 : 235542 : unsigned i;
855 : 235542 : tree index, value;
856 : :
857 : 760550 : FOR_EACH_CONSTRUCTOR_ELT (CONSTRUCTOR_ELTS (expr), i, index, value)
858 : : {
859 : 525008 : stream_write_tree_ref (ob, index);
860 : 525008 : stream_write_tree_ref (ob, value);
861 : : }
862 : 235542 : }
863 : :
864 : :
865 : : /* Write all pointer fields in the TS_OMP_CLAUSE structure of EXPR
866 : : to output block OB. If REF_P is true, write a reference to EXPR's
867 : : pointer fields. */
868 : :
869 : : static void
870 : 204 : write_ts_omp_clause_tree_pointers (struct output_block *ob, tree expr)
871 : : {
872 : 204 : int i;
873 : 479 : for (i = 0; i < omp_clause_num_ops[OMP_CLAUSE_CODE (expr)]; i++)
874 : 275 : stream_write_tree_ref (ob, OMP_CLAUSE_OPERAND (expr, i));
875 : 204 : switch (OMP_CLAUSE_CODE (expr))
876 : : {
877 : 0 : case OMP_CLAUSE_REDUCTION:
878 : 0 : case OMP_CLAUSE_TASK_REDUCTION:
879 : 0 : case OMP_CLAUSE_IN_REDUCTION:
880 : : /* We don't stream these right now, handle it if streaming
881 : : of them is needed. */
882 : 0 : gcc_assert (OMP_CLAUSE_REDUCTION_GIMPLE_INIT (expr) == NULL);
883 : 0 : gcc_assert (OMP_CLAUSE_REDUCTION_GIMPLE_MERGE (expr) == NULL);
884 : : break;
885 : : default:
886 : : break;
887 : : }
888 : 204 : stream_write_tree_ref (ob, OMP_CLAUSE_CHAIN (expr));
889 : 204 : }
890 : :
891 : :
892 : : /* Write all pointer fields in EXPR to output block OB. If REF_P is true,
893 : : the leaves of EXPR are emitted as references. */
894 : :
895 : : void
896 : 6829310 : streamer_write_tree_body (struct output_block *ob, tree expr)
897 : : {
898 : 6829310 : enum tree_code code;
899 : :
900 : 6829310 : lto_stats.num_tree_bodies_output++;
901 : :
902 : 6829310 : code = TREE_CODE (expr);
903 : :
904 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_TYPED))
905 : 6442019 : write_ts_common_tree_pointers (ob, expr);
906 : :
907 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_VECTOR))
908 : 5629 : write_ts_vector_tree_pointers (ob, expr);
909 : :
910 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_POLY_INT_CST))
911 : 0 : write_ts_poly_tree_pointers (ob, expr);
912 : :
913 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_COMPLEX))
914 : 7952 : write_ts_complex_tree_pointers (ob, expr);
915 : :
916 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL))
917 : 1503440 : write_ts_decl_minimal_tree_pointers (ob, expr);
918 : :
919 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
920 : 1503440 : write_ts_decl_common_tree_pointers (ob, expr);
921 : :
922 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_DECL_NON_COMMON))
923 : 6829310 : write_ts_decl_non_common_tree_pointers (ob, expr);
924 : :
925 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
926 : 913213 : write_ts_decl_with_vis_tree_pointers (ob, expr);
927 : :
928 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_FIELD_DECL))
929 : 103141 : write_ts_field_decl_tree_pointers (ob, expr);
930 : :
931 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL))
932 : 417506 : write_ts_function_decl_tree_pointers (ob, expr);
933 : :
934 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON))
935 : 617150 : write_ts_type_common_tree_pointers (ob, expr);
936 : :
937 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_TYPE_NON_COMMON))
938 : 617150 : write_ts_type_non_common_tree_pointers (ob, expr);
939 : :
940 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_LIST))
941 : 631793 : write_ts_list_tree_pointers (ob, expr);
942 : :
943 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_VEC))
944 : 0 : write_ts_vec_tree_pointers (ob, expr);
945 : :
946 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_EXP))
947 : 1680265 : write_ts_exp_tree_pointers (ob, expr);
948 : :
949 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_BLOCK))
950 : 326389 : write_ts_block_tree_pointers (ob, expr);
951 : :
952 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
953 : 7230 : write_ts_binfo_tree_pointers (ob, expr);
954 : :
955 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR))
956 : 235542 : write_ts_constructor_tree_pointers (ob, expr);
957 : :
958 : 6829310 : if (code == OMP_CLAUSE)
959 : 204 : write_ts_omp_clause_tree_pointers (ob, expr);
960 : 6829310 : }
961 : :
962 : :
963 : : /* Emit header information for tree EXPR to output block OB. The header
964 : : contains everything needed to instantiate an empty skeleton for
965 : : EXPR on the reading side. IX is the index into the streamer cache
966 : : where EXPR is stored. */
967 : :
968 : : void
969 : 6829310 : streamer_write_tree_header (struct output_block *ob, tree expr)
970 : : {
971 : 6829310 : enum LTO_tags tag;
972 : 6829310 : enum tree_code code;
973 : :
974 : 6829310 : if (streamer_dump_file)
975 : : {
976 : 416 : print_node_brief (streamer_dump_file, " Streaming header of ",
977 : : expr, 4);
978 : 416 : fprintf (streamer_dump_file, " to %s\n",
979 : 416 : lto_section_name[ob->section_type]);
980 : : }
981 : :
982 : : /* We should not see any tree nodes not handled by the streamer. */
983 : 6829310 : code = TREE_CODE (expr);
984 : :
985 : : /* The header of a tree node consists of its tag, the size of
986 : : the node, and any other information needed to instantiate
987 : : EXPR on the reading side (such as the number of slots in
988 : : variable sized nodes). */
989 : 6829310 : tag = lto_tree_code_to_tag (code);
990 : 6829310 : streamer_write_record_start (ob, tag);
991 : :
992 : : /* The text in strings and identifiers are completely emitted in
993 : : the header. */
994 : 6829310 : if (CODE_CONTAINS_STRUCT (code, TS_STRING))
995 : 176495 : streamer_write_string_cst (ob, ob->main_stream, expr);
996 : 6652815 : else if (CODE_CONTAINS_STRUCT (code, TS_IDENTIFIER))
997 : 1422218 : write_identifier (ob, ob->main_stream, expr);
998 : 5230597 : else if (CODE_CONTAINS_STRUCT (code, TS_VECTOR))
999 : : {
1000 : 5629 : bitpack_d bp = bitpack_create (ob->main_stream);
1001 : 5629 : bp_pack_value (&bp, VECTOR_CST_LOG2_NPATTERNS (expr), 8);
1002 : 5629 : bp_pack_value (&bp, VECTOR_CST_NELTS_PER_PATTERN (expr), 8);
1003 : 5629 : streamer_write_bitpack (&bp);
1004 : : }
1005 : 5224968 : else if (CODE_CONTAINS_STRUCT (code, TS_VEC))
1006 : 0 : streamer_write_hwi (ob, TREE_VEC_LENGTH (expr));
1007 : 5224968 : else if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
1008 : 7230 : streamer_write_uhwi (ob, BINFO_N_BASE_BINFOS (expr));
1009 : 5217738 : else if (TREE_CODE (expr) == CALL_EXPR)
1010 : 24 : streamer_write_uhwi (ob, call_expr_nargs (expr));
1011 : 5217714 : else if (TREE_CODE (expr) == OMP_CLAUSE)
1012 : 204 : streamer_write_uhwi (ob, OMP_CLAUSE_CODE (expr));
1013 : 5217510 : else if (CODE_CONTAINS_STRUCT (code, TS_INT_CST))
1014 : : {
1015 : 38246 : gcc_checking_assert (TREE_INT_CST_NUNITS (expr));
1016 : 38246 : streamer_write_uhwi (ob, TREE_INT_CST_NUNITS (expr));
1017 : 38246 : streamer_write_uhwi (ob, TREE_INT_CST_EXT_NUNITS (expr));
1018 : : }
1019 : 6829310 : }
1020 : :
1021 : :
1022 : : /* Emit the integer constant CST to output block OB. If REF_P is true,
1023 : : CST's type will be emitted as a reference. */
1024 : :
1025 : : void
1026 : 991241 : streamer_write_integer_cst (struct output_block *ob, tree cst)
1027 : : {
1028 : 991241 : int i;
1029 : 991241 : int len = TREE_INT_CST_NUNITS (cst);
1030 : 991241 : gcc_assert (!TREE_OVERFLOW (cst));
1031 : 991241 : if (streamer_dump_file)
1032 : : {
1033 : 136 : print_node_brief (streamer_dump_file, " Streaming integer ",
1034 : : cst, 4);
1035 : 136 : fprintf (streamer_dump_file, "\n");
1036 : : }
1037 : 991241 : streamer_write_record_start (ob, LTO_integer_cst);
1038 : 991241 : stream_write_tree_ref (ob, TREE_TYPE (cst));
1039 : : /* We're effectively streaming a non-sign-extended wide_int here,
1040 : : so there's no need to stream TREE_INT_CST_EXT_NUNITS or any
1041 : : array members beyond LEN. We'll recreate the tree from the
1042 : : wide_int and the type. */
1043 : 991241 : streamer_write_uhwi (ob, len);
1044 : 2978983 : for (i = 0; i < len; i++)
1045 : 996501 : streamer_write_hwi (ob, TREE_INT_CST_ELT (cst, i));
1046 : 991241 : }
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