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Commit | Line | Data |
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f0efc7aa DN |
1 | /* Routines for emitting trees to a file stream. |
2 | ||
23a5b65a | 3 | Copyright (C) 2011-2014 Free Software Foundation, Inc. |
f0efc7aa DN |
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" | |
fa3bf4ce | 25 | #include "tm.h" |
f0efc7aa DN |
26 | #include "diagnostic.h" |
27 | #include "tree.h" | |
d8a2d370 | 28 | #include "stor-layout.h" |
2fb9a547 AM |
29 | #include "basic-block.h" |
30 | #include "tree-ssa-alias.h" | |
31 | #include "internal-fn.h" | |
32 | #include "gimple-expr.h" | |
33 | #include "is-a.h" | |
8e9055ae | 34 | #include "gimple.h" |
f0efc7aa DN |
35 | #include "tree-streamer.h" |
36 | #include "data-streamer.h" | |
37 | #include "streamer-hooks.h" | |
38 | ||
39 | /* Output the STRING constant to the string | |
40 | table in OB. Then put the index onto the INDEX_STREAM. */ | |
41 | ||
49f836ba JB |
42 | void |
43 | streamer_write_string_cst (struct output_block *ob, | |
44 | struct lto_output_stream *index_stream, | |
45 | tree string) | |
f0efc7aa | 46 | { |
412288f1 | 47 | streamer_write_string_with_length (ob, index_stream, |
49f836ba JB |
48 | string ? TREE_STRING_POINTER (string) |
49 | : NULL, | |
50 | string ? TREE_STRING_LENGTH (string) : 0, | |
412288f1 | 51 | true); |
f0efc7aa DN |
52 | } |
53 | ||
54 | ||
55 | /* Output the identifier ID to the string | |
56 | table in OB. Then put the index onto the INDEX_STREAM. */ | |
57 | ||
58 | static void | |
412288f1 | 59 | write_identifier (struct output_block *ob, |
f0efc7aa DN |
60 | struct lto_output_stream *index_stream, |
61 | tree id) | |
62 | { | |
412288f1 DN |
63 | streamer_write_string_with_length (ob, index_stream, |
64 | IDENTIFIER_POINTER (id), | |
65 | IDENTIFIER_LENGTH (id), | |
66 | true); | |
f0efc7aa DN |
67 | } |
68 | ||
69 | ||
70 | /* Pack all the non-pointer fields of the TS_BASE structure of | |
71 | expression EXPR into bitpack BP. */ | |
72 | ||
73 | static void | |
74 | pack_ts_base_value_fields (struct bitpack_d *bp, tree expr) | |
75 | { | |
76 | bp_pack_value (bp, TREE_CODE (expr), 16); | |
77 | if (!TYPE_P (expr)) | |
78 | { | |
79 | bp_pack_value (bp, TREE_SIDE_EFFECTS (expr), 1); | |
80 | bp_pack_value (bp, TREE_CONSTANT (expr), 1); | |
81 | bp_pack_value (bp, TREE_READONLY (expr), 1); | |
82 | ||
83 | /* TREE_PUBLIC is used on types to indicate that the type | |
84 | has a TYPE_CACHED_VALUES vector. This is not streamed out, | |
85 | so we skip it here. */ | |
86 | bp_pack_value (bp, TREE_PUBLIC (expr), 1); | |
87 | } | |
88 | else | |
89 | bp_pack_value (bp, 0, 4); | |
90 | bp_pack_value (bp, TREE_ADDRESSABLE (expr), 1); | |
91 | bp_pack_value (bp, TREE_THIS_VOLATILE (expr), 1); | |
92 | if (DECL_P (expr)) | |
93 | bp_pack_value (bp, DECL_UNSIGNED (expr), 1); | |
94 | else if (TYPE_P (expr)) | |
95 | bp_pack_value (bp, TYPE_UNSIGNED (expr), 1); | |
96 | else | |
97 | bp_pack_value (bp, 0, 1); | |
a367df53 RB |
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 | bp_pack_value (bp, (TREE_CODE (expr) != SSA_NAME | |
ca814625 | 101 | ? 0 : TREE_ASM_WRITTEN (expr)), 1); |
f0efc7aa DN |
102 | if (TYPE_P (expr)) |
103 | bp_pack_value (bp, TYPE_ARTIFICIAL (expr), 1); | |
104 | else | |
105 | bp_pack_value (bp, TREE_NO_WARNING (expr), 1); | |
f0efc7aa DN |
106 | bp_pack_value (bp, TREE_NOTHROW (expr), 1); |
107 | bp_pack_value (bp, TREE_STATIC (expr), 1); | |
ee03e71d RB |
108 | if (TREE_CODE (expr) != TREE_BINFO) |
109 | bp_pack_value (bp, TREE_PRIVATE (expr), 1); | |
f0efc7aa DN |
110 | bp_pack_value (bp, TREE_PROTECTED (expr), 1); |
111 | bp_pack_value (bp, TREE_DEPRECATED (expr), 1); | |
112 | if (TYPE_P (expr)) | |
875b35b4 DN |
113 | { |
114 | bp_pack_value (bp, TYPE_SATURATING (expr), 1); | |
115 | bp_pack_value (bp, TYPE_ADDR_SPACE (expr), 8); | |
116 | } | |
f0efc7aa DN |
117 | else if (TREE_CODE (expr) == SSA_NAME) |
118 | bp_pack_value (bp, SSA_NAME_IS_DEFAULT_DEF (expr), 1); | |
119 | else | |
120 | bp_pack_value (bp, 0, 1); | |
121 | } | |
122 | ||
123 | ||
c61f8c3b RG |
124 | /* Pack all the non-pointer fields of the TS_INTEGER_CST structure of |
125 | expression EXPR into bitpack BP. */ | |
126 | ||
127 | static void | |
128 | pack_ts_int_cst_value_fields (struct bitpack_d *bp, tree expr) | |
129 | { | |
130 | bp_pack_var_len_unsigned (bp, TREE_INT_CST_LOW (expr)); | |
131 | bp_pack_var_len_int (bp, TREE_INT_CST_HIGH (expr)); | |
132 | } | |
133 | ||
134 | ||
f0efc7aa DN |
135 | /* Pack all the non-pointer fields of the TS_REAL_CST structure of |
136 | expression EXPR into bitpack BP. */ | |
137 | ||
138 | static void | |
139 | pack_ts_real_cst_value_fields (struct bitpack_d *bp, tree expr) | |
140 | { | |
141 | unsigned i; | |
142 | REAL_VALUE_TYPE r; | |
143 | ||
144 | r = TREE_REAL_CST (expr); | |
145 | bp_pack_value (bp, r.cl, 2); | |
146 | bp_pack_value (bp, r.decimal, 1); | |
147 | bp_pack_value (bp, r.sign, 1); | |
148 | bp_pack_value (bp, r.signalling, 1); | |
149 | bp_pack_value (bp, r.canonical, 1); | |
150 | bp_pack_value (bp, r.uexp, EXP_BITS); | |
151 | for (i = 0; i < SIGSZ; i++) | |
152 | bp_pack_value (bp, r.sig[i], HOST_BITS_PER_LONG); | |
153 | } | |
154 | ||
155 | ||
156 | /* Pack all the non-pointer fields of the TS_FIXED_CST structure of | |
157 | expression EXPR into bitpack BP. */ | |
158 | ||
159 | static void | |
160 | pack_ts_fixed_cst_value_fields (struct bitpack_d *bp, tree expr) | |
161 | { | |
162 | struct fixed_value fv = TREE_FIXED_CST (expr); | |
163 | bp_pack_enum (bp, machine_mode, MAX_MACHINE_MODE, fv.mode); | |
164 | bp_pack_var_len_int (bp, fv.data.low); | |
165 | bp_pack_var_len_int (bp, fv.data.high); | |
166 | } | |
167 | ||
f0efc7aa DN |
168 | /* Pack all the non-pointer fields of the TS_DECL_COMMON structure |
169 | of expression EXPR into bitpack BP. */ | |
170 | ||
171 | static void | |
172 | pack_ts_decl_common_value_fields (struct bitpack_d *bp, tree expr) | |
173 | { | |
174 | bp_pack_enum (bp, machine_mode, MAX_MACHINE_MODE, DECL_MODE (expr)); | |
175 | bp_pack_value (bp, DECL_NONLOCAL (expr), 1); | |
176 | bp_pack_value (bp, DECL_VIRTUAL_P (expr), 1); | |
177 | bp_pack_value (bp, DECL_IGNORED_P (expr), 1); | |
178 | bp_pack_value (bp, DECL_ABSTRACT (expr), 1); | |
179 | bp_pack_value (bp, DECL_ARTIFICIAL (expr), 1); | |
180 | bp_pack_value (bp, DECL_USER_ALIGN (expr), 1); | |
181 | bp_pack_value (bp, DECL_PRESERVE_P (expr), 1); | |
f0efc7aa DN |
182 | bp_pack_value (bp, DECL_EXTERNAL (expr), 1); |
183 | bp_pack_value (bp, DECL_GIMPLE_REG_P (expr), 1); | |
184 | bp_pack_var_len_unsigned (bp, DECL_ALIGN (expr)); | |
185 | ||
186 | if (TREE_CODE (expr) == LABEL_DECL) | |
187 | { | |
188 | /* Note that we do not write LABEL_DECL_UID. The reader will | |
189 | always assume an initial value of -1 so that the | |
190 | label_to_block_map is recreated by gimple_set_bb. */ | |
f0efc7aa DN |
191 | bp_pack_var_len_unsigned (bp, EH_LANDING_PAD_NR (expr)); |
192 | } | |
193 | ||
194 | if (TREE_CODE (expr) == FIELD_DECL) | |
195 | { | |
196 | bp_pack_value (bp, DECL_PACKED (expr), 1); | |
197 | bp_pack_value (bp, DECL_NONADDRESSABLE_P (expr), 1); | |
198 | bp_pack_value (bp, expr->decl_common.off_align, 8); | |
199 | } | |
200 | ||
0f1e8842 | 201 | if (TREE_CODE (expr) == VAR_DECL) |
839b422f RB |
202 | { |
203 | bp_pack_value (bp, DECL_HAS_DEBUG_EXPR_P (expr), 1); | |
204 | bp_pack_value (bp, DECL_NONLOCAL_FRAME (expr), 1); | |
205 | } | |
0f1e8842 | 206 | |
f0efc7aa DN |
207 | if (TREE_CODE (expr) == RESULT_DECL |
208 | || TREE_CODE (expr) == PARM_DECL | |
209 | || TREE_CODE (expr) == VAR_DECL) | |
210 | { | |
211 | bp_pack_value (bp, DECL_BY_REFERENCE (expr), 1); | |
212 | if (TREE_CODE (expr) == VAR_DECL | |
213 | || TREE_CODE (expr) == PARM_DECL) | |
214 | bp_pack_value (bp, DECL_HAS_VALUE_EXPR_P (expr), 1); | |
f0efc7aa DN |
215 | } |
216 | } | |
217 | ||
218 | ||
219 | /* Pack all the non-pointer fields of the TS_DECL_WRTL structure | |
220 | of expression EXPR into bitpack BP. */ | |
221 | ||
222 | static void | |
223 | pack_ts_decl_wrtl_value_fields (struct bitpack_d *bp, tree expr) | |
224 | { | |
225 | bp_pack_value (bp, DECL_REGISTER (expr), 1); | |
226 | } | |
227 | ||
228 | ||
229 | /* Pack all the non-pointer fields of the TS_DECL_WITH_VIS structure | |
230 | of expression EXPR into bitpack BP. */ | |
231 | ||
232 | static void | |
233 | pack_ts_decl_with_vis_value_fields (struct bitpack_d *bp, tree expr) | |
234 | { | |
f0efc7aa DN |
235 | bp_pack_value (bp, DECL_COMMON (expr), 1); |
236 | bp_pack_value (bp, DECL_DLLIMPORT_P (expr), 1); | |
237 | bp_pack_value (bp, DECL_WEAK (expr), 1); | |
238 | bp_pack_value (bp, DECL_SEEN_IN_BIND_EXPR_P (expr), 1); | |
239 | bp_pack_value (bp, DECL_COMDAT (expr), 1); | |
240 | bp_pack_value (bp, DECL_VISIBILITY (expr), 2); | |
241 | bp_pack_value (bp, DECL_VISIBILITY_SPECIFIED (expr), 1); | |
242 | ||
243 | if (TREE_CODE (expr) == VAR_DECL) | |
244 | { | |
245 | bp_pack_value (bp, DECL_HARD_REGISTER (expr), 1); | |
c01c111b | 246 | /* DECL_IN_TEXT_SECTION is set during final asm output only. */ |
f0efc7aa DN |
247 | bp_pack_value (bp, DECL_IN_CONSTANT_POOL (expr), 1); |
248 | bp_pack_value (bp, DECL_TLS_MODEL (expr), 3); | |
249 | } | |
250 | ||
0170f33c JH |
251 | if (TREE_CODE (expr) == FUNCTION_DECL) |
252 | { | |
253 | bp_pack_value (bp, DECL_FINAL_P (expr), 1); | |
254 | bp_pack_value (bp, DECL_CXX_CONSTRUCTOR_P (expr), 1); | |
255 | bp_pack_value (bp, DECL_CXX_DESTRUCTOR_P (expr), 1); | |
256 | } | |
f0efc7aa DN |
257 | if (VAR_OR_FUNCTION_DECL_P (expr)) |
258 | bp_pack_var_len_unsigned (bp, DECL_INIT_PRIORITY (expr)); | |
259 | } | |
260 | ||
261 | ||
262 | /* Pack all the non-pointer fields of the TS_FUNCTION_DECL structure | |
263 | of expression EXPR into bitpack BP. */ | |
264 | ||
265 | static void | |
266 | pack_ts_function_decl_value_fields (struct bitpack_d *bp, tree expr) | |
267 | { | |
268 | /* For normal/md builtins we only write the class and code, so they | |
269 | should never be handled here. */ | |
412288f1 | 270 | gcc_assert (!streamer_handle_as_builtin_p (expr)); |
f0efc7aa DN |
271 | |
272 | bp_pack_enum (bp, built_in_class, BUILT_IN_LAST, | |
273 | DECL_BUILT_IN_CLASS (expr)); | |
274 | bp_pack_value (bp, DECL_STATIC_CONSTRUCTOR (expr), 1); | |
275 | bp_pack_value (bp, DECL_STATIC_DESTRUCTOR (expr), 1); | |
276 | bp_pack_value (bp, DECL_UNINLINABLE (expr), 1); | |
277 | bp_pack_value (bp, DECL_POSSIBLY_INLINED (expr), 1); | |
278 | bp_pack_value (bp, DECL_IS_NOVOPS (expr), 1); | |
279 | bp_pack_value (bp, DECL_IS_RETURNS_TWICE (expr), 1); | |
280 | bp_pack_value (bp, DECL_IS_MALLOC (expr), 1); | |
281 | bp_pack_value (bp, DECL_IS_OPERATOR_NEW (expr), 1); | |
282 | bp_pack_value (bp, DECL_DECLARED_INLINE_P (expr), 1); | |
283 | bp_pack_value (bp, DECL_STATIC_CHAIN (expr), 1); | |
284 | bp_pack_value (bp, DECL_NO_INLINE_WARNING_P (expr), 1); | |
285 | bp_pack_value (bp, DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (expr), 1); | |
286 | bp_pack_value (bp, DECL_NO_LIMIT_STACK (expr), 1); | |
287 | bp_pack_value (bp, DECL_DISREGARD_INLINE_LIMITS (expr), 1); | |
288 | bp_pack_value (bp, DECL_PURE_P (expr), 1); | |
289 | bp_pack_value (bp, DECL_LOOPING_CONST_OR_PURE_P (expr), 1); | |
290 | if (DECL_BUILT_IN_CLASS (expr) != NOT_BUILT_IN) | |
291 | bp_pack_value (bp, DECL_FUNCTION_CODE (expr), 11); | |
292 | if (DECL_STATIC_DESTRUCTOR (expr)) | |
293 | bp_pack_var_len_unsigned (bp, DECL_FINI_PRIORITY (expr)); | |
294 | } | |
295 | ||
296 | ||
297 | /* Pack all the non-pointer fields of the TS_TYPE_COMMON structure | |
298 | of expression EXPR into bitpack BP. */ | |
299 | ||
300 | static void | |
301 | pack_ts_type_common_value_fields (struct bitpack_d *bp, tree expr) | |
302 | { | |
303 | bp_pack_enum (bp, machine_mode, MAX_MACHINE_MODE, TYPE_MODE (expr)); | |
304 | bp_pack_value (bp, TYPE_STRING_FLAG (expr), 1); | |
305 | bp_pack_value (bp, TYPE_NO_FORCE_BLK (expr), 1); | |
306 | bp_pack_value (bp, TYPE_NEEDS_CONSTRUCTING (expr), 1); | |
307 | if (RECORD_OR_UNION_TYPE_P (expr)) | |
0170f33c JH |
308 | { |
309 | bp_pack_value (bp, TYPE_TRANSPARENT_AGGR (expr), 1); | |
310 | bp_pack_value (bp, TYPE_FINAL_P (expr), 1); | |
311 | } | |
04208228 EB |
312 | else if (TREE_CODE (expr) == ARRAY_TYPE) |
313 | bp_pack_value (bp, TYPE_NONALIASED_COMPONENT (expr), 1); | |
f0efc7aa DN |
314 | bp_pack_value (bp, TYPE_PACKED (expr), 1); |
315 | bp_pack_value (bp, TYPE_RESTRICT (expr), 1); | |
f0efc7aa DN |
316 | bp_pack_value (bp, TYPE_USER_ALIGN (expr), 1); |
317 | bp_pack_value (bp, TYPE_READONLY (expr), 1); | |
318 | bp_pack_var_len_unsigned (bp, TYPE_PRECISION (expr)); | |
319 | bp_pack_var_len_unsigned (bp, TYPE_ALIGN (expr)); | |
ee03e71d RB |
320 | /* Make sure to preserve the fact whether the frontend would assign |
321 | alias-set zero to this type. */ | |
322 | bp_pack_var_len_int (bp, (TYPE_ALIAS_SET (expr) == 0 | |
323 | || (!in_lto_p | |
324 | && get_alias_set (expr) == 0)) ? 0 : -1); | |
f0efc7aa DN |
325 | } |
326 | ||
327 | ||
328 | /* Pack all the non-pointer fields of the TS_BLOCK structure | |
329 | of expression EXPR into bitpack BP. */ | |
330 | ||
331 | static void | |
7cb7d208 RB |
332 | pack_ts_block_value_fields (struct output_block *ob, |
333 | struct bitpack_d *bp, tree expr) | |
f0efc7aa DN |
334 | { |
335 | bp_pack_value (bp, BLOCK_ABSTRACT (expr), 1); | |
336 | /* BLOCK_NUMBER is recomputed. */ | |
7cb7d208 RB |
337 | /* Stream BLOCK_SOURCE_LOCATION for the limited cases we can handle - those |
338 | that represent inlined function scopes. | |
339 | For the rest them on the floor instead of ICEing in dwarf2out.c. */ | |
340 | if (inlined_function_outer_scope_p (expr)) | |
341 | stream_output_location (ob, bp, BLOCK_SOURCE_LOCATION (expr)); | |
342 | else | |
343 | stream_output_location (ob, bp, UNKNOWN_LOCATION); | |
f0efc7aa DN |
344 | } |
345 | ||
346 | /* Pack all the non-pointer fields of the TS_TRANSLATION_UNIT_DECL structure | |
347 | of expression EXPR into bitpack BP. */ | |
348 | ||
349 | static void | |
8135e1e6 RB |
350 | pack_ts_translation_unit_decl_value_fields (struct output_block *ob, |
351 | struct bitpack_d *bp, tree expr) | |
f0efc7aa | 352 | { |
8135e1e6 | 353 | bp_pack_string (ob, bp, TRANSLATION_UNIT_LANGUAGE (expr), true); |
f0efc7aa DN |
354 | } |
355 | ||
0889c5c3 RB |
356 | /* Pack a TS_TARGET_OPTION tree in EXPR to BP. */ |
357 | ||
358 | static void | |
359 | pack_ts_target_option (struct bitpack_d *bp, tree expr) | |
360 | { | |
361 | struct cl_target_option *t = TREE_TARGET_OPTION (expr); | |
362 | unsigned i, len; | |
363 | ||
364 | /* The cl_target_option is target specific and generated by the options | |
365 | awk script, so we just recreate a byte-by-byte copy here. */ | |
366 | ||
367 | len = sizeof (struct cl_target_option); | |
368 | for (i = 0; i < len; i++) | |
369 | bp_pack_value (bp, ((unsigned char *)t)[i], 8); | |
370 | /* Catch struct size mismatches between reader and writer. */ | |
371 | bp_pack_value (bp, 0x12345678, 32); | |
372 | } | |
373 | ||
374 | /* Pack a TS_OPTIMIZATION tree in EXPR to BP. */ | |
375 | ||
376 | static void | |
377 | pack_ts_optimization (struct bitpack_d *bp, tree expr) | |
378 | { | |
379 | struct cl_optimization *t = TREE_OPTIMIZATION (expr); | |
380 | unsigned i, len; | |
381 | ||
382 | /* The cl_optimization is generated by the options | |
383 | awk script, so we just recreate a byte-by-byte copy here. */ | |
384 | ||
385 | len = sizeof (struct cl_optimization); | |
386 | for (i = 0; i < len; i++) | |
387 | bp_pack_value (bp, ((unsigned char *)t)[i], 8); | |
388 | /* Catch struct size mismatches between reader and writer. */ | |
389 | bp_pack_value (bp, 0x12345678, 32); | |
390 | } | |
391 | ||
412288f1 | 392 | |
c193f58b JJ |
393 | /* Pack all the non-pointer fields of the TS_OMP_CLAUSE structure |
394 | of expression EXPR into bitpack BP. */ | |
395 | ||
396 | static void | |
397 | pack_ts_omp_clause_value_fields (struct output_block *ob, | |
398 | struct bitpack_d *bp, tree expr) | |
399 | { | |
400 | stream_output_location (ob, bp, OMP_CLAUSE_LOCATION (expr)); | |
401 | switch (OMP_CLAUSE_CODE (expr)) | |
402 | { | |
403 | case OMP_CLAUSE_DEFAULT: | |
404 | bp_pack_enum (bp, omp_clause_default_kind, OMP_CLAUSE_DEFAULT_LAST, | |
405 | OMP_CLAUSE_DEFAULT_KIND (expr)); | |
406 | break; | |
407 | case OMP_CLAUSE_SCHEDULE: | |
408 | bp_pack_enum (bp, omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_LAST, | |
409 | OMP_CLAUSE_SCHEDULE_KIND (expr)); | |
410 | break; | |
411 | case OMP_CLAUSE_DEPEND: | |
412 | bp_pack_enum (bp, omp_clause_depend_kind, OMP_CLAUSE_DEPEND_LAST, | |
413 | OMP_CLAUSE_DEPEND_KIND (expr)); | |
414 | break; | |
415 | case OMP_CLAUSE_MAP: | |
416 | bp_pack_enum (bp, omp_clause_map_kind, OMP_CLAUSE_MAP_LAST, | |
417 | OMP_CLAUSE_MAP_KIND (expr)); | |
418 | break; | |
419 | case OMP_CLAUSE_PROC_BIND: | |
420 | bp_pack_enum (bp, omp_clause_proc_bind_kind, OMP_CLAUSE_PROC_BIND_LAST, | |
421 | OMP_CLAUSE_PROC_BIND_KIND (expr)); | |
422 | break; | |
423 | case OMP_CLAUSE_REDUCTION: | |
424 | bp_pack_enum (bp, tree_code, MAX_TREE_CODES, | |
425 | OMP_CLAUSE_REDUCTION_CODE (expr)); | |
426 | break; | |
427 | default: | |
428 | break; | |
429 | } | |
430 | } | |
431 | ||
432 | ||
412288f1 | 433 | /* Pack all the bitfields in EXPR into a bit pack. */ |
f0efc7aa | 434 | |
b9393656 | 435 | void |
7cb7d208 RB |
436 | streamer_pack_tree_bitfields (struct output_block *ob, |
437 | struct bitpack_d *bp, tree expr) | |
f0efc7aa DN |
438 | { |
439 | enum tree_code code; | |
440 | ||
441 | code = TREE_CODE (expr); | |
442 | ||
443 | /* Note that all these functions are highly sensitive to changes in | |
444 | the types and sizes of each of the fields being packed. */ | |
445 | pack_ts_base_value_fields (bp, expr); | |
446 | ||
c61f8c3b RG |
447 | if (CODE_CONTAINS_STRUCT (code, TS_INT_CST)) |
448 | pack_ts_int_cst_value_fields (bp, expr); | |
449 | ||
f0efc7aa DN |
450 | if (CODE_CONTAINS_STRUCT (code, TS_REAL_CST)) |
451 | pack_ts_real_cst_value_fields (bp, expr); | |
452 | ||
453 | if (CODE_CONTAINS_STRUCT (code, TS_FIXED_CST)) | |
454 | pack_ts_fixed_cst_value_fields (bp, expr); | |
455 | ||
7cb7d208 RB |
456 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL)) |
457 | stream_output_location (ob, bp, DECL_SOURCE_LOCATION (expr)); | |
458 | ||
f0efc7aa DN |
459 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON)) |
460 | pack_ts_decl_common_value_fields (bp, expr); | |
461 | ||
462 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL)) | |
463 | pack_ts_decl_wrtl_value_fields (bp, expr); | |
464 | ||
465 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS)) | |
466 | pack_ts_decl_with_vis_value_fields (bp, expr); | |
467 | ||
468 | if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL)) | |
469 | pack_ts_function_decl_value_fields (bp, expr); | |
470 | ||
471 | if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON)) | |
472 | pack_ts_type_common_value_fields (bp, expr); | |
473 | ||
7cb7d208 RB |
474 | if (CODE_CONTAINS_STRUCT (code, TS_EXP)) |
475 | stream_output_location (ob, bp, EXPR_LOCATION (expr)); | |
476 | ||
f0efc7aa | 477 | if (CODE_CONTAINS_STRUCT (code, TS_BLOCK)) |
7cb7d208 | 478 | pack_ts_block_value_fields (ob, bp, expr); |
f0efc7aa DN |
479 | |
480 | if (CODE_CONTAINS_STRUCT (code, TS_TRANSLATION_UNIT_DECL)) | |
8135e1e6 | 481 | pack_ts_translation_unit_decl_value_fields (ob, bp, expr); |
0889c5c3 RB |
482 | |
483 | if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION)) | |
484 | pack_ts_target_option (bp, expr); | |
485 | ||
486 | if (CODE_CONTAINS_STRUCT (code, TS_OPTIMIZATION)) | |
487 | pack_ts_optimization (bp, expr); | |
0127aae4 RG |
488 | |
489 | if (CODE_CONTAINS_STRUCT (code, TS_BINFO)) | |
9771b263 | 490 | bp_pack_var_len_unsigned (bp, vec_safe_length (BINFO_BASE_ACCESSES (expr))); |
0127aae4 RG |
491 | |
492 | if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR)) | |
493 | bp_pack_var_len_unsigned (bp, CONSTRUCTOR_NELTS (expr)); | |
c193f58b JJ |
494 | |
495 | if (code == OMP_CLAUSE) | |
496 | pack_ts_omp_clause_value_fields (ob, bp, expr); | |
f0efc7aa DN |
497 | } |
498 | ||
499 | ||
500 | /* Write the code and class of builtin EXPR to output block OB. IX is | |
501 | the index into the streamer cache where EXPR is stored.*/ | |
502 | ||
b9393656 | 503 | void |
412288f1 | 504 | streamer_write_builtin (struct output_block *ob, tree expr) |
f0efc7aa | 505 | { |
412288f1 | 506 | gcc_assert (streamer_handle_as_builtin_p (expr)); |
f0efc7aa DN |
507 | |
508 | if (DECL_BUILT_IN_CLASS (expr) == BUILT_IN_MD | |
509 | && !targetm.builtin_decl) | |
412288f1 | 510 | sorry ("tree bytecode streams do not support machine specific builtin " |
f0efc7aa DN |
511 | "functions on this target"); |
512 | ||
412288f1 DN |
513 | streamer_write_record_start (ob, LTO_builtin_decl); |
514 | streamer_write_enum (ob->main_stream, built_in_class, BUILT_IN_LAST, | |
515 | DECL_BUILT_IN_CLASS (expr)); | |
516 | streamer_write_uhwi (ob, DECL_FUNCTION_CODE (expr)); | |
f0efc7aa DN |
517 | |
518 | if (DECL_ASSEMBLER_NAME_SET_P (expr)) | |
519 | { | |
520 | /* When the assembler name of a builtin gets a user name, | |
521 | the new name is always prefixed with '*' by | |
522 | set_builtin_user_assembler_name. So, to prevent the | |
523 | reader side from adding a second '*', we omit it here. */ | |
524 | const char *str = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (expr)); | |
525 | if (strlen (str) > 1 && str[0] == '*') | |
412288f1 | 526 | streamer_write_string (ob, ob->main_stream, &str[1], true); |
f0efc7aa | 527 | else |
412288f1 | 528 | streamer_write_string (ob, ob->main_stream, NULL, true); |
f0efc7aa DN |
529 | } |
530 | else | |
412288f1 | 531 | streamer_write_string (ob, ob->main_stream, NULL, true); |
f0efc7aa DN |
532 | } |
533 | ||
534 | ||
f0efc7aa DN |
535 | /* Emit the chain of tree nodes starting at T. OB is the output block |
536 | to write to. REF_P is true if chain elements should be emitted | |
537 | as references. */ | |
538 | ||
b9393656 | 539 | void |
412288f1 | 540 | streamer_write_chain (struct output_block *ob, tree t, bool ref_p) |
f0efc7aa | 541 | { |
0127aae4 | 542 | while (t) |
f0efc7aa DN |
543 | { |
544 | tree saved_chain; | |
545 | ||
546 | /* Clear TREE_CHAIN to avoid blindly recursing into the rest | |
547 | of the list. */ | |
548 | saved_chain = TREE_CHAIN (t); | |
549 | TREE_CHAIN (t) = NULL_TREE; | |
550 | ||
2e537cde RG |
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. This is, of course, only for the call | |
554 | for streaming BLOCK_VARS, but other callers are safe. */ | |
ee03e71d | 555 | /* ??? FIXME wrt SCC streaming. Drop these for now. */ |
7e54c608 RG |
556 | if (VAR_OR_FUNCTION_DECL_P (t) |
557 | && DECL_EXTERNAL (t)) | |
ee03e71d | 558 | ; /* stream_write_tree_shallow_non_ref (ob, t, ref_p); */ |
7e54c608 RG |
559 | else |
560 | stream_write_tree (ob, t, ref_p); | |
f0efc7aa DN |
561 | |
562 | TREE_CHAIN (t) = saved_chain; | |
563 | t = TREE_CHAIN (t); | |
564 | } | |
0127aae4 RG |
565 | |
566 | /* Write a sentinel to terminate the chain. */ | |
567 | stream_write_tree (ob, NULL_TREE, ref_p); | |
f0efc7aa DN |
568 | } |
569 | ||
570 | ||
571 | /* Write all pointer fields in the TS_COMMON structure of EXPR to output | |
572 | block OB. If REF_P is true, write a reference to EXPR's pointer | |
573 | fields. */ | |
574 | ||
575 | static void | |
412288f1 | 576 | write_ts_common_tree_pointers (struct output_block *ob, tree expr, bool ref_p) |
f0efc7aa DN |
577 | { |
578 | if (TREE_CODE (expr) != IDENTIFIER_NODE) | |
b9393656 | 579 | stream_write_tree (ob, TREE_TYPE (expr), ref_p); |
f0efc7aa DN |
580 | } |
581 | ||
582 | ||
583 | /* Write all pointer fields in the TS_VECTOR structure of EXPR to output | |
584 | block OB. If REF_P is true, write a reference to EXPR's pointer | |
585 | fields. */ | |
586 | ||
587 | static void | |
412288f1 | 588 | write_ts_vector_tree_pointers (struct output_block *ob, tree expr, bool ref_p) |
f0efc7aa | 589 | { |
d2a12ae7 RG |
590 | unsigned i; |
591 | /* Note that the number of elements for EXPR has already been emitted | |
592 | in EXPR's header (see streamer_write_tree_header). */ | |
593 | for (i = 0; i < VECTOR_CST_NELTS (expr); ++i) | |
594 | stream_write_tree (ob, VECTOR_CST_ELT (expr, i), ref_p); | |
f0efc7aa DN |
595 | } |
596 | ||
597 | ||
598 | /* Write all pointer fields in the TS_COMPLEX structure of EXPR to output | |
599 | block OB. If REF_P is true, write a reference to EXPR's pointer | |
600 | fields. */ | |
601 | ||
602 | static void | |
412288f1 | 603 | write_ts_complex_tree_pointers (struct output_block *ob, tree expr, bool ref_p) |
f0efc7aa | 604 | { |
b9393656 DN |
605 | stream_write_tree (ob, TREE_REALPART (expr), ref_p); |
606 | stream_write_tree (ob, TREE_IMAGPART (expr), ref_p); | |
f0efc7aa DN |
607 | } |
608 | ||
609 | ||
610 | /* Write all pointer fields in the TS_DECL_MINIMAL structure of EXPR | |
611 | to output block OB. If REF_P is true, write a reference to EXPR's | |
612 | pointer fields. */ | |
613 | ||
614 | static void | |
412288f1 DN |
615 | write_ts_decl_minimal_tree_pointers (struct output_block *ob, tree expr, |
616 | bool ref_p) | |
f0efc7aa | 617 | { |
ee03e71d RB |
618 | /* Drop names that were created for anonymous entities. */ |
619 | if (DECL_NAME (expr) | |
620 | && TREE_CODE (DECL_NAME (expr)) == IDENTIFIER_NODE | |
621 | && ANON_AGGRNAME_P (DECL_NAME (expr))) | |
622 | stream_write_tree (ob, NULL_TREE, ref_p); | |
623 | else | |
624 | stream_write_tree (ob, DECL_NAME (expr), ref_p); | |
b9393656 | 625 | stream_write_tree (ob, DECL_CONTEXT (expr), ref_p); |
f0efc7aa DN |
626 | } |
627 | ||
628 | ||
629 | /* Write all pointer fields in the TS_DECL_COMMON structure of EXPR to | |
630 | output block OB. If REF_P is true, write a reference to EXPR's | |
631 | pointer fields. */ | |
632 | ||
633 | static void | |
412288f1 DN |
634 | write_ts_decl_common_tree_pointers (struct output_block *ob, tree expr, |
635 | bool ref_p) | |
f0efc7aa | 636 | { |
b9393656 DN |
637 | stream_write_tree (ob, DECL_SIZE (expr), ref_p); |
638 | stream_write_tree (ob, DECL_SIZE_UNIT (expr), ref_p); | |
f0efc7aa DN |
639 | |
640 | /* Note, DECL_INITIAL is not handled here. Since DECL_INITIAL needs | |
641 | special handling in LTO, it must be handled by streamer hooks. */ | |
642 | ||
b9393656 | 643 | stream_write_tree (ob, DECL_ATTRIBUTES (expr), ref_p); |
f0efc7aa DN |
644 | |
645 | /* Do not stream DECL_ABSTRACT_ORIGIN. We cannot handle debug information | |
646 | for early inlining so drop it on the floor instead of ICEing in | |
647 | dwarf2out.c. */ | |
648 | ||
f0efc7aa DN |
649 | if ((TREE_CODE (expr) == VAR_DECL |
650 | || TREE_CODE (expr) == PARM_DECL) | |
651 | && DECL_HAS_VALUE_EXPR_P (expr)) | |
b9393656 | 652 | stream_write_tree (ob, DECL_VALUE_EXPR (expr), ref_p); |
f0efc7aa DN |
653 | |
654 | if (TREE_CODE (expr) == VAR_DECL) | |
b9393656 | 655 | stream_write_tree (ob, DECL_DEBUG_EXPR (expr), ref_p); |
f0efc7aa DN |
656 | } |
657 | ||
658 | ||
659 | /* Write all pointer fields in the TS_DECL_NON_COMMON structure of | |
660 | EXPR to output block OB. If REF_P is true, write a reference to EXPR's | |
661 | pointer fields. */ | |
662 | ||
663 | static void | |
412288f1 DN |
664 | write_ts_decl_non_common_tree_pointers (struct output_block *ob, tree expr, |
665 | bool ref_p) | |
f0efc7aa | 666 | { |
815effe1 | 667 | if (TREE_CODE (expr) == TYPE_DECL) |
ea973bad | 668 | stream_write_tree (ob, DECL_ORIGINAL_TYPE (expr), ref_p); |
b9393656 | 669 | stream_write_tree (ob, DECL_VINDEX (expr), ref_p); |
f0efc7aa DN |
670 | } |
671 | ||
672 | ||
673 | /* Write all pointer fields in the TS_DECL_WITH_VIS structure of EXPR | |
674 | to output block OB. If REF_P is true, write a reference to EXPR's | |
675 | pointer fields. */ | |
676 | ||
677 | static void | |
412288f1 DN |
678 | write_ts_decl_with_vis_tree_pointers (struct output_block *ob, tree expr, |
679 | bool ref_p) | |
f0efc7aa DN |
680 | { |
681 | /* Make sure we don't inadvertently set the assembler name. */ | |
682 | if (DECL_ASSEMBLER_NAME_SET_P (expr)) | |
b9393656 | 683 | stream_write_tree (ob, DECL_ASSEMBLER_NAME (expr), ref_p); |
f0efc7aa | 684 | else |
b9393656 | 685 | stream_write_tree (ob, NULL_TREE, false); |
f0efc7aa | 686 | |
b9393656 DN |
687 | stream_write_tree (ob, DECL_SECTION_NAME (expr), ref_p); |
688 | stream_write_tree (ob, DECL_COMDAT_GROUP (expr), ref_p); | |
f0efc7aa DN |
689 | } |
690 | ||
691 | ||
692 | /* Write all pointer fields in the TS_FIELD_DECL structure of EXPR to | |
693 | output block OB. If REF_P is true, write a reference to EXPR's | |
694 | pointer fields. */ | |
695 | ||
696 | static void | |
412288f1 DN |
697 | write_ts_field_decl_tree_pointers (struct output_block *ob, tree expr, |
698 | bool ref_p) | |
f0efc7aa | 699 | { |
b9393656 DN |
700 | stream_write_tree (ob, DECL_FIELD_OFFSET (expr), ref_p); |
701 | stream_write_tree (ob, DECL_BIT_FIELD_TYPE (expr), ref_p); | |
26c71b93 | 702 | stream_write_tree (ob, DECL_BIT_FIELD_REPRESENTATIVE (expr), ref_p); |
b9393656 DN |
703 | stream_write_tree (ob, DECL_FIELD_BIT_OFFSET (expr), ref_p); |
704 | stream_write_tree (ob, DECL_FCONTEXT (expr), ref_p); | |
f0efc7aa DN |
705 | } |
706 | ||
707 | ||
708 | /* Write all pointer fields in the TS_FUNCTION_DECL structure of EXPR | |
709 | to output block OB. If REF_P is true, write a reference to EXPR's | |
710 | pointer fields. */ | |
711 | ||
712 | static void | |
412288f1 DN |
713 | write_ts_function_decl_tree_pointers (struct output_block *ob, tree expr, |
714 | bool ref_p) | |
f0efc7aa DN |
715 | { |
716 | /* DECL_STRUCT_FUNCTION is handled by lto_output_function. FIXME lto, | |
717 | maybe it should be handled here? */ | |
b9393656 DN |
718 | stream_write_tree (ob, DECL_FUNCTION_PERSONALITY (expr), ref_p); |
719 | stream_write_tree (ob, DECL_FUNCTION_SPECIFIC_TARGET (expr), ref_p); | |
720 | stream_write_tree (ob, DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr), ref_p); | |
f0efc7aa DN |
721 | } |
722 | ||
723 | ||
724 | /* Write all pointer fields in the TS_TYPE_COMMON structure of EXPR to | |
725 | output block OB. If REF_P is true, write a reference to EXPR's | |
726 | pointer fields. */ | |
727 | ||
728 | static void | |
412288f1 DN |
729 | write_ts_type_common_tree_pointers (struct output_block *ob, tree expr, |
730 | bool ref_p) | |
f0efc7aa | 731 | { |
b9393656 DN |
732 | stream_write_tree (ob, TYPE_SIZE (expr), ref_p); |
733 | stream_write_tree (ob, TYPE_SIZE_UNIT (expr), ref_p); | |
734 | stream_write_tree (ob, TYPE_ATTRIBUTES (expr), ref_p); | |
735 | stream_write_tree (ob, TYPE_NAME (expr), ref_p); | |
f0efc7aa DN |
736 | /* Do not stream TYPE_POINTER_TO or TYPE_REFERENCE_TO. They will be |
737 | reconstructed during fixup. */ | |
738 | /* Do not stream TYPE_NEXT_VARIANT, we reconstruct the variant lists | |
739 | during fixup. */ | |
b9393656 DN |
740 | stream_write_tree (ob, TYPE_MAIN_VARIANT (expr), ref_p); |
741 | stream_write_tree (ob, TYPE_CONTEXT (expr), ref_p); | |
f0efc7aa DN |
742 | /* TYPE_CANONICAL is re-computed during type merging, so no need |
743 | to stream it here. */ | |
b9393656 | 744 | stream_write_tree (ob, TYPE_STUB_DECL (expr), ref_p); |
f0efc7aa DN |
745 | } |
746 | ||
747 | /* Write all pointer fields in the TS_TYPE_NON_COMMON structure of EXPR | |
748 | to output block OB. If REF_P is true, write a reference to EXPR's | |
749 | pointer fields. */ | |
750 | ||
751 | static void | |
412288f1 DN |
752 | write_ts_type_non_common_tree_pointers (struct output_block *ob, tree expr, |
753 | bool ref_p) | |
f0efc7aa DN |
754 | { |
755 | if (TREE_CODE (expr) == ENUMERAL_TYPE) | |
b9393656 | 756 | stream_write_tree (ob, TYPE_VALUES (expr), ref_p); |
f0efc7aa | 757 | else if (TREE_CODE (expr) == ARRAY_TYPE) |
b9393656 | 758 | stream_write_tree (ob, TYPE_DOMAIN (expr), ref_p); |
f0efc7aa | 759 | else if (RECORD_OR_UNION_TYPE_P (expr)) |
4acd1c84 | 760 | streamer_write_chain (ob, TYPE_FIELDS (expr), ref_p); |
f0efc7aa DN |
761 | else if (TREE_CODE (expr) == FUNCTION_TYPE |
762 | || TREE_CODE (expr) == METHOD_TYPE) | |
b9393656 | 763 | stream_write_tree (ob, TYPE_ARG_TYPES (expr), ref_p); |
f0efc7aa DN |
764 | |
765 | if (!POINTER_TYPE_P (expr)) | |
b9393656 DN |
766 | stream_write_tree (ob, TYPE_MINVAL (expr), ref_p); |
767 | stream_write_tree (ob, TYPE_MAXVAL (expr), ref_p); | |
f0efc7aa | 768 | if (RECORD_OR_UNION_TYPE_P (expr)) |
b9393656 | 769 | stream_write_tree (ob, TYPE_BINFO (expr), ref_p); |
f0efc7aa DN |
770 | } |
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 | |
412288f1 | 778 | write_ts_list_tree_pointers (struct output_block *ob, tree expr, bool ref_p) |
f0efc7aa | 779 | { |
b9393656 DN |
780 | stream_write_tree (ob, TREE_PURPOSE (expr), ref_p); |
781 | stream_write_tree (ob, TREE_VALUE (expr), ref_p); | |
ee03e71d | 782 | stream_write_tree (ob, TREE_CHAIN (expr), ref_p); |
f0efc7aa DN |
783 | } |
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 | |
412288f1 | 791 | write_ts_vec_tree_pointers (struct output_block *ob, tree expr, bool ref_p) |
f0efc7aa DN |
792 | { |
793 | int i; | |
794 | ||
795 | /* Note that the number of slots for EXPR has already been emitted | |
412288f1 | 796 | in EXPR's header (see streamer_write_tree_header). */ |
f0efc7aa | 797 | for (i = 0; i < TREE_VEC_LENGTH (expr); i++) |
b9393656 | 798 | stream_write_tree (ob, TREE_VEC_ELT (expr, i), ref_p); |
f0efc7aa DN |
799 | } |
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 | |
412288f1 | 807 | write_ts_exp_tree_pointers (struct output_block *ob, tree expr, bool ref_p) |
f0efc7aa DN |
808 | { |
809 | int i; | |
810 | ||
f0efc7aa | 811 | for (i = 0; i < TREE_OPERAND_LENGTH (expr); i++) |
b9393656 | 812 | stream_write_tree (ob, TREE_OPERAND (expr, i), ref_p); |
b9393656 | 813 | stream_write_tree (ob, TREE_BLOCK (expr), ref_p); |
f0efc7aa DN |
814 | } |
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 | |
412288f1 | 822 | write_ts_block_tree_pointers (struct output_block *ob, tree expr, bool ref_p) |
f0efc7aa | 823 | { |
412288f1 | 824 | streamer_write_chain (ob, BLOCK_VARS (expr), ref_p); |
f0efc7aa | 825 | |
5c1eb617 RG |
826 | stream_write_tree (ob, BLOCK_SUPERCONTEXT (expr), ref_p); |
827 | ||
7cb7d208 RB |
828 | /* Stream BLOCK_ABSTRACT_ORIGIN for the limited cases we can handle - those |
829 | that represent inlined function scopes. | |
830 | For the rest them on the floor instead of ICEing in dwarf2out.c. */ | |
5c1eb617 RG |
831 | if (inlined_function_outer_scope_p (expr)) |
832 | { | |
833 | tree ultimate_origin = block_ultimate_origin (expr); | |
834 | stream_write_tree (ob, ultimate_origin, ref_p); | |
5c1eb617 RG |
835 | } |
836 | else | |
7cb7d208 | 837 | stream_write_tree (ob, NULL_TREE, ref_p); |
f0efc7aa | 838 | /* Do not stream BLOCK_NONLOCALIZED_VARS. We cannot handle debug information |
5c1eb617 | 839 | for early inlined BLOCKs so drop it on the floor instead of ICEing in |
f0efc7aa DN |
840 | dwarf2out.c. */ |
841 | ||
5c1eb617 RG |
842 | /* BLOCK_FRAGMENT_ORIGIN and BLOCK_FRAGMENT_CHAIN is not live at LTO |
843 | streaming time. */ | |
844 | ||
f0efc7aa DN |
845 | /* Do not output BLOCK_SUBBLOCKS. Instead on streaming-in this |
846 | list is re-constructed from BLOCK_SUPERCONTEXT. */ | |
847 | } | |
848 | ||
849 | ||
850 | /* Write all pointer fields in the TS_BINFO structure of EXPR to output | |
851 | block OB. If REF_P is true, write a reference to EXPR's pointer | |
852 | fields. */ | |
853 | ||
854 | static void | |
412288f1 | 855 | write_ts_binfo_tree_pointers (struct output_block *ob, tree expr, bool ref_p) |
f0efc7aa DN |
856 | { |
857 | unsigned i; | |
858 | tree t; | |
859 | ||
860 | /* Note that the number of BINFO slots has already been emitted in | |
412288f1 | 861 | EXPR's header (see streamer_write_tree_header) because this length |
f0efc7aa | 862 | is needed to build the empty BINFO node on the reader side. */ |
9771b263 | 863 | FOR_EACH_VEC_ELT (*BINFO_BASE_BINFOS (expr), i, t) |
b9393656 DN |
864 | stream_write_tree (ob, t, ref_p); |
865 | stream_write_tree (ob, NULL_TREE, false); | |
f0efc7aa | 866 | |
b9393656 DN |
867 | stream_write_tree (ob, BINFO_OFFSET (expr), ref_p); |
868 | stream_write_tree (ob, BINFO_VTABLE (expr), ref_p); | |
b9393656 | 869 | stream_write_tree (ob, BINFO_VPTR_FIELD (expr), ref_p); |
f0efc7aa | 870 | |
0127aae4 RG |
871 | /* The number of BINFO_BASE_ACCESSES has already been emitted in |
872 | EXPR's bitfield section. */ | |
9771b263 | 873 | FOR_EACH_VEC_SAFE_ELT (BINFO_BASE_ACCESSES (expr), i, t) |
b9393656 | 874 | stream_write_tree (ob, t, ref_p); |
f0efc7aa | 875 | |
c01c111b JH |
876 | /* Do not walk BINFO_INHERITANCE_CHAIN, BINFO_SUBVTT_INDEX |
877 | and BINFO_VPTR_INDEX; these are used by C++ FE only. */ | |
f0efc7aa DN |
878 | } |
879 | ||
880 | ||
881 | /* Write all pointer fields in the TS_CONSTRUCTOR structure of EXPR to | |
882 | output block OB. If REF_P is true, write a reference to EXPR's | |
883 | pointer fields. */ | |
884 | ||
885 | static void | |
412288f1 DN |
886 | write_ts_constructor_tree_pointers (struct output_block *ob, tree expr, |
887 | bool ref_p) | |
f0efc7aa DN |
888 | { |
889 | unsigned i; | |
890 | tree index, value; | |
891 | ||
f0efc7aa DN |
892 | FOR_EACH_CONSTRUCTOR_ELT (CONSTRUCTOR_ELTS (expr), i, index, value) |
893 | { | |
b9393656 DN |
894 | stream_write_tree (ob, index, ref_p); |
895 | stream_write_tree (ob, value, ref_p); | |
f0efc7aa DN |
896 | } |
897 | } | |
898 | ||
c193f58b JJ |
899 | |
900 | /* Write all pointer fields in the TS_OMP_CLAUSE structure of EXPR | |
901 | to output block OB. If REF_P is true, write a reference to EXPR's | |
902 | pointer fields. */ | |
903 | ||
904 | static void | |
905 | write_ts_omp_clause_tree_pointers (struct output_block *ob, tree expr, | |
906 | bool ref_p) | |
907 | { | |
908 | int i; | |
909 | for (i = 0; i < omp_clause_num_ops[OMP_CLAUSE_CODE (expr)]; i++) | |
910 | stream_write_tree (ob, OMP_CLAUSE_OPERAND (expr, i), ref_p); | |
911 | if (OMP_CLAUSE_CODE (expr) == OMP_CLAUSE_REDUCTION) | |
912 | { | |
913 | /* We don't stream these right now, handle it if streaming | |
914 | of them is needed. */ | |
915 | gcc_assert (OMP_CLAUSE_REDUCTION_GIMPLE_INIT (expr) == NULL); | |
916 | gcc_assert (OMP_CLAUSE_REDUCTION_GIMPLE_MERGE (expr) == NULL); | |
917 | } | |
918 | stream_write_tree (ob, OMP_CLAUSE_CHAIN (expr), ref_p); | |
919 | } | |
920 | ||
921 | ||
b9393656 DN |
922 | /* Write all pointer fields in EXPR to output block OB. If REF_P is true, |
923 | the leaves of EXPR are emitted as references. */ | |
f0efc7aa | 924 | |
b9393656 | 925 | void |
412288f1 | 926 | streamer_write_tree_body (struct output_block *ob, tree expr, bool ref_p) |
f0efc7aa DN |
927 | { |
928 | enum tree_code code; | |
929 | ||
ee03e71d RB |
930 | lto_stats.num_tree_bodies_output++; |
931 | ||
f0efc7aa DN |
932 | code = TREE_CODE (expr); |
933 | ||
934 | if (CODE_CONTAINS_STRUCT (code, TS_TYPED)) | |
412288f1 | 935 | write_ts_common_tree_pointers (ob, expr, ref_p); |
f0efc7aa DN |
936 | |
937 | if (CODE_CONTAINS_STRUCT (code, TS_VECTOR)) | |
412288f1 | 938 | write_ts_vector_tree_pointers (ob, expr, ref_p); |
f0efc7aa DN |
939 | |
940 | if (CODE_CONTAINS_STRUCT (code, TS_COMPLEX)) | |
412288f1 | 941 | write_ts_complex_tree_pointers (ob, expr, ref_p); |
f0efc7aa DN |
942 | |
943 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL)) | |
412288f1 | 944 | write_ts_decl_minimal_tree_pointers (ob, expr, ref_p); |
f0efc7aa DN |
945 | |
946 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON)) | |
412288f1 | 947 | write_ts_decl_common_tree_pointers (ob, expr, ref_p); |
f0efc7aa DN |
948 | |
949 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_NON_COMMON)) | |
412288f1 | 950 | write_ts_decl_non_common_tree_pointers (ob, expr, ref_p); |
f0efc7aa DN |
951 | |
952 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS)) | |
412288f1 | 953 | write_ts_decl_with_vis_tree_pointers (ob, expr, ref_p); |
f0efc7aa DN |
954 | |
955 | if (CODE_CONTAINS_STRUCT (code, TS_FIELD_DECL)) | |
412288f1 | 956 | write_ts_field_decl_tree_pointers (ob, expr, ref_p); |
f0efc7aa DN |
957 | |
958 | if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL)) | |
412288f1 | 959 | write_ts_function_decl_tree_pointers (ob, expr, ref_p); |
f0efc7aa DN |
960 | |
961 | if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON)) | |
412288f1 | 962 | write_ts_type_common_tree_pointers (ob, expr, ref_p); |
f0efc7aa DN |
963 | |
964 | if (CODE_CONTAINS_STRUCT (code, TS_TYPE_NON_COMMON)) | |
412288f1 | 965 | write_ts_type_non_common_tree_pointers (ob, expr, ref_p); |
f0efc7aa DN |
966 | |
967 | if (CODE_CONTAINS_STRUCT (code, TS_LIST)) | |
412288f1 | 968 | write_ts_list_tree_pointers (ob, expr, ref_p); |
f0efc7aa DN |
969 | |
970 | if (CODE_CONTAINS_STRUCT (code, TS_VEC)) | |
412288f1 | 971 | write_ts_vec_tree_pointers (ob, expr, ref_p); |
f0efc7aa DN |
972 | |
973 | if (CODE_CONTAINS_STRUCT (code, TS_EXP)) | |
412288f1 | 974 | write_ts_exp_tree_pointers (ob, expr, ref_p); |
f0efc7aa DN |
975 | |
976 | if (CODE_CONTAINS_STRUCT (code, TS_BLOCK)) | |
412288f1 | 977 | write_ts_block_tree_pointers (ob, expr, ref_p); |
f0efc7aa DN |
978 | |
979 | if (CODE_CONTAINS_STRUCT (code, TS_BINFO)) | |
412288f1 | 980 | write_ts_binfo_tree_pointers (ob, expr, ref_p); |
f0efc7aa DN |
981 | |
982 | if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR)) | |
412288f1 | 983 | write_ts_constructor_tree_pointers (ob, expr, ref_p); |
c193f58b JJ |
984 | |
985 | if (code == OMP_CLAUSE) | |
986 | write_ts_omp_clause_tree_pointers (ob, expr, ref_p); | |
f0efc7aa DN |
987 | } |
988 | ||
989 | ||
990 | /* Emit header information for tree EXPR to output block OB. The header | |
991 | contains everything needed to instantiate an empty skeleton for | |
992 | EXPR on the reading side. IX is the index into the streamer cache | |
b9393656 | 993 | where EXPR is stored. */ |
f0efc7aa | 994 | |
b9393656 | 995 | void |
412288f1 | 996 | streamer_write_tree_header (struct output_block *ob, tree expr) |
f0efc7aa DN |
997 | { |
998 | enum LTO_tags tag; | |
999 | enum tree_code code; | |
1000 | ||
1001 | /* We should not see any tree nodes not handled by the streamer. */ | |
1002 | code = TREE_CODE (expr); | |
f0efc7aa DN |
1003 | |
1004 | /* The header of a tree node consists of its tag, the size of | |
1005 | the node, and any other information needed to instantiate | |
1006 | EXPR on the reading side (such as the number of slots in | |
1007 | variable sized nodes). */ | |
1008 | tag = lto_tree_code_to_tag (code); | |
412288f1 | 1009 | streamer_write_record_start (ob, tag); |
f0efc7aa DN |
1010 | |
1011 | /* The following will cause bootstrap miscomparisons. Enable with care. */ | |
1012 | #ifdef LTO_STREAMER_DEBUG | |
1013 | /* This is used mainly for debugging purposes. When the reader | |
1014 | and the writer do not agree on a streamed node, the pointer | |
1015 | value for EXPR can be used to track down the differences in | |
1016 | the debugger. */ | |
1017 | gcc_assert ((HOST_WIDEST_INT) (intptr_t) expr == (intptr_t) expr); | |
412288f1 | 1018 | streamer_write_hwi (ob, (HOST_WIDEST_INT) (intptr_t) expr); |
f0efc7aa DN |
1019 | #endif |
1020 | ||
1021 | /* The text in strings and identifiers are completely emitted in | |
1022 | the header. */ | |
1023 | if (CODE_CONTAINS_STRUCT (code, TS_STRING)) | |
49f836ba | 1024 | streamer_write_string_cst (ob, ob->main_stream, expr); |
f0efc7aa | 1025 | else if (CODE_CONTAINS_STRUCT (code, TS_IDENTIFIER)) |
412288f1 | 1026 | write_identifier (ob, ob->main_stream, expr); |
d2a12ae7 RG |
1027 | else if (CODE_CONTAINS_STRUCT (code, TS_VECTOR)) |
1028 | streamer_write_hwi (ob, VECTOR_CST_NELTS (expr)); | |
f0efc7aa | 1029 | else if (CODE_CONTAINS_STRUCT (code, TS_VEC)) |
412288f1 | 1030 | streamer_write_hwi (ob, TREE_VEC_LENGTH (expr)); |
f0efc7aa | 1031 | else if (CODE_CONTAINS_STRUCT (code, TS_BINFO)) |
412288f1 | 1032 | streamer_write_uhwi (ob, BINFO_N_BASE_BINFOS (expr)); |
b9393656 | 1033 | else if (TREE_CODE (expr) == CALL_EXPR) |
412288f1 | 1034 | streamer_write_uhwi (ob, call_expr_nargs (expr)); |
c193f58b JJ |
1035 | else if (TREE_CODE (expr) == OMP_CLAUSE) |
1036 | streamer_write_uhwi (ob, OMP_CLAUSE_CODE (expr)); | |
f0efc7aa DN |
1037 | } |
1038 | ||
1039 | ||
1040 | /* Emit the integer constant CST to output block OB. If REF_P is true, | |
1041 | CST's type will be emitted as a reference. */ | |
1042 | ||
b9393656 | 1043 | void |
412288f1 | 1044 | streamer_write_integer_cst (struct output_block *ob, tree cst, bool ref_p) |
f0efc7aa | 1045 | { |
c61f8c3b RG |
1046 | gcc_assert (!TREE_OVERFLOW (cst)); |
1047 | streamer_write_record_start (ob, LTO_integer_cst); | |
b9393656 | 1048 | stream_write_tree (ob, TREE_TYPE (cst), ref_p); |
412288f1 | 1049 | streamer_write_uhwi (ob, TREE_INT_CST_LOW (cst)); |
c61f8c3b | 1050 | streamer_write_hwi (ob, TREE_INT_CST_HIGH (cst)); |
f0efc7aa | 1051 | } |