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2541503d | 1 | /* Routines for reading trees from a file stream. |
2 | ||
d353bf18 | 3 | Copyright (C) 2011-2015 Free Software Foundation, Inc. |
2541503d | 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 "diagnostic.h" | |
b20a8bb4 | 26 | #include "alias.h" |
27 | #include "symtab.h" | |
28 | #include "options.h" | |
2541503d | 29 | #include "tree.h" |
b20a8bb4 | 30 | #include "fold-const.h" |
9ed99284 | 31 | #include "stringpool.h" |
94ea8568 | 32 | #include "predict.h" |
94ea8568 | 33 | #include "tm.h" |
34 | #include "hard-reg-set.h" | |
94ea8568 | 35 | #include "function.h" |
bc61cadb | 36 | #include "basic-block.h" |
37 | #include "tree-ssa-alias.h" | |
38 | #include "internal-fn.h" | |
39 | #include "gimple-expr.h" | |
b23fb4cb | 40 | #include "gimple.h" |
1140c305 | 41 | #include "cgraph.h" |
2541503d | 42 | #include "tree-streamer.h" |
43 | #include "data-streamer.h" | |
44 | #include "streamer-hooks.h" | |
45 | #include "lto-streamer.h" | |
f7715905 | 46 | #include "builtins.h" |
f21337ef | 47 | #include "ipa-chkp.h" |
ca4c3545 | 48 | #include "gomp-constants.h" |
49 | ||
2541503d | 50 | |
51 | /* Read a STRING_CST from the string table in DATA_IN using input | |
52 | block IB. */ | |
53 | ||
54 | tree | |
7f385784 | 55 | streamer_read_string_cst (struct data_in *data_in, struct lto_input_block *ib) |
2541503d | 56 | { |
57 | unsigned int len; | |
58 | const char * ptr; | |
59 | ||
7f385784 | 60 | ptr = streamer_read_indexed_string (data_in, ib, &len); |
2541503d | 61 | if (!ptr) |
62 | return NULL; | |
63 | return build_string (len, ptr); | |
64 | } | |
65 | ||
66 | ||
67 | /* Read an IDENTIFIER from the string table in DATA_IN using input | |
68 | block IB. */ | |
69 | ||
70 | static tree | |
71 | input_identifier (struct data_in *data_in, struct lto_input_block *ib) | |
72 | { | |
73 | unsigned int len; | |
74 | const char *ptr; | |
75 | ||
7f385784 | 76 | ptr = streamer_read_indexed_string (data_in, ib, &len); |
2541503d | 77 | if (!ptr) |
78 | return NULL; | |
79 | return get_identifier_with_length (ptr, len); | |
80 | } | |
81 | ||
82 | ||
83 | /* Read a chain of tree nodes from input block IB. DATA_IN contains | |
84 | tables and descriptors for the file being read. */ | |
85 | ||
7f385784 | 86 | tree |
87 | streamer_read_chain (struct lto_input_block *ib, struct data_in *data_in) | |
2541503d | 88 | { |
2541503d | 89 | tree first, prev, curr; |
90 | ||
e41fac10 | 91 | /* The chain is written as NULL terminated list of trees. */ |
2541503d | 92 | first = prev = NULL_TREE; |
e41fac10 | 93 | do |
2541503d | 94 | { |
515cf651 | 95 | curr = stream_read_tree (ib, data_in); |
2541503d | 96 | if (prev) |
97 | TREE_CHAIN (prev) = curr; | |
98 | else | |
99 | first = curr; | |
100 | ||
2541503d | 101 | prev = curr; |
102 | } | |
e41fac10 | 103 | while (curr); |
2541503d | 104 | |
105 | return first; | |
106 | } | |
107 | ||
108 | ||
109 | /* Unpack all the non-pointer fields of the TS_BASE structure of | |
110 | expression EXPR from bitpack BP. */ | |
111 | ||
c76dc468 | 112 | static inline void |
2541503d | 113 | unpack_ts_base_value_fields (struct bitpack_d *bp, tree expr) |
114 | { | |
115 | /* Note that the code for EXPR has already been unpacked to create EXPR in | |
7f385784 | 116 | streamer_alloc_tree. */ |
2541503d | 117 | if (!TYPE_P (expr)) |
118 | { | |
119 | TREE_SIDE_EFFECTS (expr) = (unsigned) bp_unpack_value (bp, 1); | |
120 | TREE_CONSTANT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
121 | TREE_READONLY (expr) = (unsigned) bp_unpack_value (bp, 1); | |
122 | ||
123 | /* TREE_PUBLIC is used on types to indicate that the type | |
124 | has a TYPE_CACHED_VALUES vector. This is not streamed out, | |
125 | so we skip it here. */ | |
126 | TREE_PUBLIC (expr) = (unsigned) bp_unpack_value (bp, 1); | |
127 | } | |
128 | else | |
129 | bp_unpack_value (bp, 4); | |
130 | TREE_ADDRESSABLE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
131 | TREE_THIS_VOLATILE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
132 | if (DECL_P (expr)) | |
133 | DECL_UNSIGNED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
134 | else if (TYPE_P (expr)) | |
135 | TYPE_UNSIGNED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
136 | else | |
137 | bp_unpack_value (bp, 1); | |
138 | TREE_ASM_WRITTEN (expr) = (unsigned) bp_unpack_value (bp, 1); | |
139 | if (TYPE_P (expr)) | |
140 | TYPE_ARTIFICIAL (expr) = (unsigned) bp_unpack_value (bp, 1); | |
141 | else | |
142 | TREE_NO_WARNING (expr) = (unsigned) bp_unpack_value (bp, 1); | |
2541503d | 143 | TREE_NOTHROW (expr) = (unsigned) bp_unpack_value (bp, 1); |
144 | TREE_STATIC (expr) = (unsigned) bp_unpack_value (bp, 1); | |
8ceff600 | 145 | if (TREE_CODE (expr) != TREE_BINFO) |
146 | TREE_PRIVATE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
c76dc468 | 147 | else |
148 | bp_unpack_value (bp, 1); | |
2541503d | 149 | TREE_PROTECTED (expr) = (unsigned) bp_unpack_value (bp, 1); |
150 | TREE_DEPRECATED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
151 | if (TYPE_P (expr)) | |
2436e5d5 | 152 | { |
153 | TYPE_SATURATING (expr) = (unsigned) bp_unpack_value (bp, 1); | |
154 | TYPE_ADDR_SPACE (expr) = (unsigned) bp_unpack_value (bp, 8); | |
155 | } | |
2541503d | 156 | else if (TREE_CODE (expr) == SSA_NAME) |
c76dc468 | 157 | { |
158 | SSA_NAME_IS_DEFAULT_DEF (expr) = (unsigned) bp_unpack_value (bp, 1); | |
159 | bp_unpack_value (bp, 8); | |
160 | } | |
2541503d | 161 | else |
c76dc468 | 162 | bp_unpack_value (bp, 9); |
2541503d | 163 | } |
164 | ||
165 | ||
42603940 | 166 | /* Unpack all the non-pointer fields of the TS_INT_CST structure of |
167 | expression EXPR from bitpack BP. */ | |
168 | ||
169 | static void | |
170 | unpack_ts_int_cst_value_fields (struct bitpack_d *bp, tree expr) | |
171 | { | |
e913b5cd | 172 | int i; |
271e739a | 173 | for (i = 0; i < TREE_INT_CST_EXT_NUNITS (expr); i++) |
e913b5cd | 174 | TREE_INT_CST_ELT (expr, i) = bp_unpack_var_len_int (bp); |
42603940 | 175 | } |
176 | ||
177 | ||
2541503d | 178 | /* Unpack all the non-pointer fields of the TS_REAL_CST structure of |
179 | expression EXPR from bitpack BP. */ | |
180 | ||
181 | static void | |
182 | unpack_ts_real_cst_value_fields (struct bitpack_d *bp, tree expr) | |
183 | { | |
184 | unsigned i; | |
185 | REAL_VALUE_TYPE r; | |
186 | REAL_VALUE_TYPE *rp; | |
187 | ||
2b8335eb | 188 | /* Clear all bits of the real value type so that we can later do |
189 | bitwise comparisons to see if two values are the same. */ | |
190 | memset (&r, 0, sizeof r); | |
2541503d | 191 | r.cl = (unsigned) bp_unpack_value (bp, 2); |
192 | r.decimal = (unsigned) bp_unpack_value (bp, 1); | |
193 | r.sign = (unsigned) bp_unpack_value (bp, 1); | |
194 | r.signalling = (unsigned) bp_unpack_value (bp, 1); | |
195 | r.canonical = (unsigned) bp_unpack_value (bp, 1); | |
196 | r.uexp = (unsigned) bp_unpack_value (bp, EXP_BITS); | |
197 | for (i = 0; i < SIGSZ; i++) | |
198 | r.sig[i] = (unsigned long) bp_unpack_value (bp, HOST_BITS_PER_LONG); | |
199 | ||
25a27413 | 200 | rp = ggc_alloc<real_value> (); |
2541503d | 201 | memcpy (rp, &r, sizeof (REAL_VALUE_TYPE)); |
202 | TREE_REAL_CST_PTR (expr) = rp; | |
203 | } | |
204 | ||
205 | ||
206 | /* Unpack all the non-pointer fields of the TS_FIXED_CST structure of | |
207 | expression EXPR from bitpack BP. */ | |
208 | ||
209 | static void | |
210 | unpack_ts_fixed_cst_value_fields (struct bitpack_d *bp, tree expr) | |
211 | { | |
25a27413 | 212 | FIXED_VALUE_TYPE *fp = ggc_alloc<fixed_value> (); |
2e971afd | 213 | fp->mode = bp_unpack_machine_mode (bp); |
0920ab59 | 214 | fp->data.low = bp_unpack_var_len_int (bp); |
215 | fp->data.high = bp_unpack_var_len_int (bp); | |
216 | TREE_FIXED_CST_PTR (expr) = fp; | |
2541503d | 217 | } |
218 | ||
2541503d | 219 | /* Unpack all the non-pointer fields of the TS_DECL_COMMON structure |
220 | of expression EXPR from bitpack BP. */ | |
221 | ||
222 | static void | |
223 | unpack_ts_decl_common_value_fields (struct bitpack_d *bp, tree expr) | |
224 | { | |
2e971afd | 225 | DECL_MODE (expr) = bp_unpack_machine_mode (bp); |
2541503d | 226 | DECL_NONLOCAL (expr) = (unsigned) bp_unpack_value (bp, 1); |
227 | DECL_VIRTUAL_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
228 | DECL_IGNORED_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
16d41ae2 | 229 | DECL_ABSTRACT_P (expr) = (unsigned) bp_unpack_value (bp, 1); |
2541503d | 230 | DECL_ARTIFICIAL (expr) = (unsigned) bp_unpack_value (bp, 1); |
231 | DECL_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, 1); | |
232 | DECL_PRESERVE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
2541503d | 233 | DECL_EXTERNAL (expr) = (unsigned) bp_unpack_value (bp, 1); |
234 | DECL_GIMPLE_REG_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
235 | DECL_ALIGN (expr) = (unsigned) bp_unpack_var_len_unsigned (bp); | |
41971a20 | 236 | #ifdef ACCEL_COMPILER |
237 | if (DECL_ALIGN (expr) > targetm.absolute_biggest_alignment) | |
238 | DECL_ALIGN (expr) = targetm.absolute_biggest_alignment; | |
239 | #endif | |
2541503d | 240 | if (TREE_CODE (expr) == LABEL_DECL) |
241 | { | |
2541503d | 242 | EH_LANDING_PAD_NR (expr) = (int) bp_unpack_var_len_unsigned (bp); |
243 | ||
244 | /* Always assume an initial value of -1 for LABEL_DECL_UID to | |
245 | force gimple_set_bb to recreate label_to_block_map. */ | |
246 | LABEL_DECL_UID (expr) = -1; | |
247 | } | |
248 | ||
249 | if (TREE_CODE (expr) == FIELD_DECL) | |
250 | { | |
251 | DECL_PACKED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
252 | DECL_NONADDRESSABLE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
253 | expr->decl_common.off_align = bp_unpack_value (bp, 8); | |
254 | } | |
255 | ||
05c14132 | 256 | if (TREE_CODE (expr) == VAR_DECL) |
8e966116 | 257 | { |
258 | DECL_HAS_DEBUG_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
259 | DECL_NONLOCAL_FRAME (expr) = (unsigned) bp_unpack_value (bp, 1); | |
260 | } | |
05c14132 | 261 | |
2541503d | 262 | if (TREE_CODE (expr) == RESULT_DECL |
263 | || TREE_CODE (expr) == PARM_DECL | |
264 | || TREE_CODE (expr) == VAR_DECL) | |
265 | { | |
266 | DECL_BY_REFERENCE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
267 | if (TREE_CODE (expr) == VAR_DECL | |
268 | || TREE_CODE (expr) == PARM_DECL) | |
269 | DECL_HAS_VALUE_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
2541503d | 270 | } |
271 | } | |
272 | ||
273 | ||
274 | /* Unpack all the non-pointer fields of the TS_DECL_WRTL structure | |
275 | of expression EXPR from bitpack BP. */ | |
276 | ||
277 | static void | |
278 | unpack_ts_decl_wrtl_value_fields (struct bitpack_d *bp, tree expr) | |
279 | { | |
280 | DECL_REGISTER (expr) = (unsigned) bp_unpack_value (bp, 1); | |
281 | } | |
282 | ||
283 | ||
284 | /* Unpack all the non-pointer fields of the TS_DECL_WITH_VIS structure | |
285 | of expression EXPR from bitpack BP. */ | |
286 | ||
287 | static void | |
288 | unpack_ts_decl_with_vis_value_fields (struct bitpack_d *bp, tree expr) | |
289 | { | |
2541503d | 290 | DECL_COMMON (expr) = (unsigned) bp_unpack_value (bp, 1); |
291 | DECL_DLLIMPORT_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
292 | DECL_WEAK (expr) = (unsigned) bp_unpack_value (bp, 1); | |
293 | DECL_SEEN_IN_BIND_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
294 | DECL_COMDAT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
295 | DECL_VISIBILITY (expr) = (enum symbol_visibility) bp_unpack_value (bp, 2); | |
296 | DECL_VISIBILITY_SPECIFIED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
297 | ||
298 | if (TREE_CODE (expr) == VAR_DECL) | |
299 | { | |
300 | DECL_HARD_REGISTER (expr) = (unsigned) bp_unpack_value (bp, 1); | |
2541503d | 301 | DECL_IN_CONSTANT_POOL (expr) = (unsigned) bp_unpack_value (bp, 1); |
2541503d | 302 | } |
303 | ||
2d9cc481 | 304 | if (TREE_CODE (expr) == FUNCTION_DECL) |
305 | { | |
306 | DECL_FINAL_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
307 | DECL_CXX_CONSTRUCTOR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
308 | DECL_CXX_DESTRUCTOR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
309 | } | |
2541503d | 310 | } |
311 | ||
312 | ||
313 | /* Unpack all the non-pointer fields of the TS_FUNCTION_DECL structure | |
314 | of expression EXPR from bitpack BP. */ | |
315 | ||
316 | static void | |
317 | unpack_ts_function_decl_value_fields (struct bitpack_d *bp, tree expr) | |
318 | { | |
319 | DECL_BUILT_IN_CLASS (expr) = bp_unpack_enum (bp, built_in_class, | |
320 | BUILT_IN_LAST); | |
321 | DECL_STATIC_CONSTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, 1); | |
322 | DECL_STATIC_DESTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, 1); | |
323 | DECL_UNINLINABLE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
324 | DECL_POSSIBLY_INLINED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
325 | DECL_IS_NOVOPS (expr) = (unsigned) bp_unpack_value (bp, 1); | |
326 | DECL_IS_RETURNS_TWICE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
327 | DECL_IS_MALLOC (expr) = (unsigned) bp_unpack_value (bp, 1); | |
328 | DECL_IS_OPERATOR_NEW (expr) = (unsigned) bp_unpack_value (bp, 1); | |
329 | DECL_DECLARED_INLINE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
330 | DECL_STATIC_CHAIN (expr) = (unsigned) bp_unpack_value (bp, 1); | |
331 | DECL_NO_INLINE_WARNING_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
332 | DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (expr) | |
333 | = (unsigned) bp_unpack_value (bp, 1); | |
334 | DECL_NO_LIMIT_STACK (expr) = (unsigned) bp_unpack_value (bp, 1); | |
335 | DECL_DISREGARD_INLINE_LIMITS (expr) = (unsigned) bp_unpack_value (bp, 1); | |
336 | DECL_PURE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
337 | DECL_LOOPING_CONST_OR_PURE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
338 | if (DECL_BUILT_IN_CLASS (expr) != NOT_BUILT_IN) | |
339 | { | |
340 | DECL_FUNCTION_CODE (expr) = (enum built_in_function) bp_unpack_value (bp, | |
9a35f424 | 341 | 12); |
2541503d | 342 | if (DECL_BUILT_IN_CLASS (expr) == BUILT_IN_NORMAL |
343 | && DECL_FUNCTION_CODE (expr) >= END_BUILTINS) | |
c05be867 | 344 | fatal_error (input_location, |
345 | "machine independent builtin code out of range"); | |
2541503d | 346 | else if (DECL_BUILT_IN_CLASS (expr) == BUILT_IN_MD) |
347 | { | |
348 | tree result = targetm.builtin_decl (DECL_FUNCTION_CODE (expr), true); | |
349 | if (!result || result == error_mark_node) | |
c05be867 | 350 | fatal_error (input_location, |
351 | "target specific builtin not available"); | |
2541503d | 352 | } |
353 | } | |
2541503d | 354 | } |
355 | ||
356 | ||
357 | /* Unpack all the non-pointer fields of the TS_TYPE_COMMON structure | |
358 | of expression EXPR from bitpack BP. */ | |
359 | ||
360 | static void | |
361 | unpack_ts_type_common_value_fields (struct bitpack_d *bp, tree expr) | |
362 | { | |
3754d046 | 363 | machine_mode mode; |
2541503d | 364 | |
2e971afd | 365 | mode = bp_unpack_machine_mode (bp); |
2541503d | 366 | SET_TYPE_MODE (expr, mode); |
367 | TYPE_STRING_FLAG (expr) = (unsigned) bp_unpack_value (bp, 1); | |
cb274227 | 368 | /* TYPE_NO_FORCE_BLK is private to stor-layout and need |
369 | no streaming. */ | |
2541503d | 370 | TYPE_NEEDS_CONSTRUCTING (expr) = (unsigned) bp_unpack_value (bp, 1); |
371 | if (RECORD_OR_UNION_TYPE_P (expr)) | |
2d9cc481 | 372 | { |
373 | TYPE_TRANSPARENT_AGGR (expr) = (unsigned) bp_unpack_value (bp, 1); | |
374 | TYPE_FINAL_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
375 | } | |
f7fa455c | 376 | else if (TREE_CODE (expr) == ARRAY_TYPE) |
377 | TYPE_NONALIASED_COMPONENT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
2541503d | 378 | TYPE_PACKED (expr) = (unsigned) bp_unpack_value (bp, 1); |
379 | TYPE_RESTRICT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
2541503d | 380 | TYPE_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, 1); |
381 | TYPE_READONLY (expr) = (unsigned) bp_unpack_value (bp, 1); | |
382 | TYPE_PRECISION (expr) = bp_unpack_var_len_unsigned (bp); | |
383 | TYPE_ALIGN (expr) = bp_unpack_var_len_unsigned (bp); | |
41971a20 | 384 | #ifdef ACCEL_COMPILER |
385 | if (TYPE_ALIGN (expr) > targetm.absolute_biggest_alignment) | |
386 | TYPE_ALIGN (expr) = targetm.absolute_biggest_alignment; | |
387 | #endif | |
2541503d | 388 | TYPE_ALIAS_SET (expr) = bp_unpack_var_len_int (bp); |
389 | } | |
390 | ||
391 | ||
392 | /* Unpack all the non-pointer fields of the TS_BLOCK structure | |
393 | of expression EXPR from bitpack BP. */ | |
394 | ||
395 | static void | |
ec180527 | 396 | unpack_ts_block_value_fields (struct data_in *data_in, |
397 | struct bitpack_d *bp, tree expr) | |
2541503d | 398 | { |
399 | BLOCK_ABSTRACT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
400 | /* BLOCK_NUMBER is recomputed. */ | |
da6f3259 | 401 | stream_input_location (&BLOCK_SOURCE_LOCATION (expr), bp, data_in); |
2541503d | 402 | } |
403 | ||
404 | /* Unpack all the non-pointer fields of the TS_TRANSLATION_UNIT_DECL | |
405 | structure of expression EXPR from bitpack BP. */ | |
406 | ||
407 | static void | |
07de37ab | 408 | unpack_ts_translation_unit_decl_value_fields (struct data_in *data_in, |
409 | struct bitpack_d *bp, tree expr) | |
2541503d | 410 | { |
07de37ab | 411 | TRANSLATION_UNIT_LANGUAGE (expr) = xstrdup (bp_unpack_string (data_in, bp)); |
f1f41a6c | 412 | vec_safe_push (all_translation_units, expr); |
2541503d | 413 | } |
414 | ||
51136fa7 | 415 | |
fe3e3369 | 416 | /* Unpack all the non-pointer fields of the TS_OMP_CLAUSE |
417 | structure of expression EXPR from bitpack BP. */ | |
418 | ||
419 | static void | |
420 | unpack_ts_omp_clause_value_fields (struct data_in *data_in, | |
421 | struct bitpack_d *bp, tree expr) | |
422 | { | |
da6f3259 | 423 | stream_input_location (&OMP_CLAUSE_LOCATION (expr), bp, data_in); |
fe3e3369 | 424 | switch (OMP_CLAUSE_CODE (expr)) |
425 | { | |
426 | case OMP_CLAUSE_DEFAULT: | |
427 | OMP_CLAUSE_DEFAULT_KIND (expr) | |
428 | = bp_unpack_enum (bp, omp_clause_default_kind, | |
429 | OMP_CLAUSE_DEFAULT_LAST); | |
430 | break; | |
431 | case OMP_CLAUSE_SCHEDULE: | |
432 | OMP_CLAUSE_SCHEDULE_KIND (expr) | |
433 | = bp_unpack_enum (bp, omp_clause_schedule_kind, | |
434 | OMP_CLAUSE_SCHEDULE_LAST); | |
435 | break; | |
436 | case OMP_CLAUSE_DEPEND: | |
437 | OMP_CLAUSE_DEPEND_KIND (expr) | |
438 | = bp_unpack_enum (bp, omp_clause_depend_kind, OMP_CLAUSE_DEPEND_LAST); | |
439 | break; | |
440 | case OMP_CLAUSE_MAP: | |
ca4c3545 | 441 | OMP_CLAUSE_SET_MAP_KIND (expr, bp_unpack_enum (bp, gomp_map_kind, |
442 | GOMP_MAP_LAST)); | |
fe3e3369 | 443 | break; |
444 | case OMP_CLAUSE_PROC_BIND: | |
445 | OMP_CLAUSE_PROC_BIND_KIND (expr) | |
446 | = bp_unpack_enum (bp, omp_clause_proc_bind_kind, | |
447 | OMP_CLAUSE_PROC_BIND_LAST); | |
448 | break; | |
449 | case OMP_CLAUSE_REDUCTION: | |
450 | OMP_CLAUSE_REDUCTION_CODE (expr) | |
451 | = bp_unpack_enum (bp, tree_code, MAX_TREE_CODES); | |
452 | break; | |
453 | default: | |
454 | break; | |
455 | } | |
456 | } | |
457 | ||
2541503d | 458 | |
c76dc468 | 459 | /* Read all the language-independent bitfield values for EXPR from IB. |
460 | Return the partially unpacked bitpack so the caller can unpack any other | |
461 | bitfield values that the writer may have written. */ | |
462 | ||
205b5601 | 463 | void |
c76dc468 | 464 | streamer_read_tree_bitfields (struct lto_input_block *ib, |
465 | struct data_in *data_in, tree expr) | |
2541503d | 466 | { |
467 | enum tree_code code; | |
c76dc468 | 468 | struct bitpack_d bp; |
469 | ||
470 | /* Read the bitpack of non-pointer values from IB. */ | |
471 | bp = streamer_read_bitpack (ib); | |
2541503d | 472 | |
c76dc468 | 473 | /* The first word in BP contains the code of the tree that we |
474 | are about to read. */ | |
475 | code = (enum tree_code) bp_unpack_value (&bp, 16); | |
476 | lto_tag_check (lto_tree_code_to_tag (code), | |
477 | lto_tree_code_to_tag (TREE_CODE (expr))); | |
2541503d | 478 | |
479 | /* Note that all these functions are highly sensitive to changes in | |
480 | the types and sizes of each of the fields being packed. */ | |
c76dc468 | 481 | unpack_ts_base_value_fields (&bp, expr); |
2541503d | 482 | |
42603940 | 483 | if (CODE_CONTAINS_STRUCT (code, TS_INT_CST)) |
c76dc468 | 484 | unpack_ts_int_cst_value_fields (&bp, expr); |
42603940 | 485 | |
2541503d | 486 | if (CODE_CONTAINS_STRUCT (code, TS_REAL_CST)) |
c76dc468 | 487 | unpack_ts_real_cst_value_fields (&bp, expr); |
2541503d | 488 | |
489 | if (CODE_CONTAINS_STRUCT (code, TS_FIXED_CST)) | |
c76dc468 | 490 | unpack_ts_fixed_cst_value_fields (&bp, expr); |
2541503d | 491 | |
ec180527 | 492 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL)) |
da6f3259 | 493 | stream_input_location (&DECL_SOURCE_LOCATION (expr), &bp, data_in); |
ec180527 | 494 | |
2541503d | 495 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON)) |
c76dc468 | 496 | unpack_ts_decl_common_value_fields (&bp, expr); |
2541503d | 497 | |
498 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL)) | |
c76dc468 | 499 | unpack_ts_decl_wrtl_value_fields (&bp, expr); |
2541503d | 500 | |
501 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS)) | |
c76dc468 | 502 | unpack_ts_decl_with_vis_value_fields (&bp, expr); |
2541503d | 503 | |
504 | if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL)) | |
c76dc468 | 505 | unpack_ts_function_decl_value_fields (&bp, expr); |
2541503d | 506 | |
507 | if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON)) | |
c76dc468 | 508 | unpack_ts_type_common_value_fields (&bp, expr); |
2541503d | 509 | |
ec180527 | 510 | if (CODE_CONTAINS_STRUCT (code, TS_EXP)) |
62b0a610 | 511 | { |
da6f3259 | 512 | stream_input_location (&EXPR_CHECK (expr)->exp.locus, &bp, data_in); |
62b0a610 | 513 | if (code == MEM_REF |
514 | || code == TARGET_MEM_REF) | |
515 | { | |
516 | MR_DEPENDENCE_CLIQUE (expr) | |
c76dc468 | 517 | = (unsigned)bp_unpack_value (&bp, sizeof (short) * 8); |
62b0a610 | 518 | if (MR_DEPENDENCE_CLIQUE (expr) != 0) |
519 | MR_DEPENDENCE_BASE (expr) | |
c76dc468 | 520 | = (unsigned)bp_unpack_value (&bp, sizeof (short) * 8); |
62b0a610 | 521 | } |
522 | } | |
ec180527 | 523 | |
2541503d | 524 | if (CODE_CONTAINS_STRUCT (code, TS_BLOCK)) |
c76dc468 | 525 | unpack_ts_block_value_fields (data_in, &bp, expr); |
2541503d | 526 | |
527 | if (CODE_CONTAINS_STRUCT (code, TS_TRANSLATION_UNIT_DECL)) | |
c76dc468 | 528 | unpack_ts_translation_unit_decl_value_fields (data_in, &bp, expr); |
51136fa7 | 529 | |
51136fa7 | 530 | if (CODE_CONTAINS_STRUCT (code, TS_OPTIMIZATION)) |
c76dc468 | 531 | cl_optimization_stream_in (&bp, TREE_OPTIMIZATION (expr)); |
e41fac10 | 532 | |
533 | if (CODE_CONTAINS_STRUCT (code, TS_BINFO)) | |
534 | { | |
c76dc468 | 535 | unsigned HOST_WIDE_INT length = bp_unpack_var_len_unsigned (&bp); |
e41fac10 | 536 | if (length > 0) |
f1f41a6c | 537 | vec_safe_grow (BINFO_BASE_ACCESSES (expr), length); |
e41fac10 | 538 | } |
539 | ||
540 | if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR)) | |
541 | { | |
c76dc468 | 542 | unsigned HOST_WIDE_INT length = bp_unpack_var_len_unsigned (&bp); |
e41fac10 | 543 | if (length > 0) |
f1f41a6c | 544 | vec_safe_grow (CONSTRUCTOR_ELTS (expr), length); |
e41fac10 | 545 | } |
fe3e3369 | 546 | |
ba000093 | 547 | #ifndef ACCEL_COMPILER |
ab90b67e | 548 | if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION)) |
ff7cb116 | 549 | { |
550 | cl_target_option_stream_in (data_in, &bp, TREE_TARGET_OPTION (expr)); | |
551 | if (targetm.target_option.post_stream_in) | |
552 | targetm.target_option.post_stream_in (TREE_TARGET_OPTION (expr)); | |
553 | } | |
ba000093 | 554 | #endif |
ab90b67e | 555 | |
fe3e3369 | 556 | if (code == OMP_CLAUSE) |
c76dc468 | 557 | unpack_ts_omp_clause_value_fields (data_in, &bp, expr); |
2541503d | 558 | } |
559 | ||
560 | ||
561 | /* Materialize a new tree from input block IB using descriptors in | |
562 | DATA_IN. The code for the new tree should match TAG. Store in | |
563 | *IX_P the index into the reader cache where the new tree is stored. */ | |
564 | ||
515cf651 | 565 | tree |
7f385784 | 566 | streamer_alloc_tree (struct lto_input_block *ib, struct data_in *data_in, |
567 | enum LTO_tags tag) | |
2541503d | 568 | { |
2541503d | 569 | enum tree_code code; |
570 | tree result; | |
571 | #ifdef LTO_STREAMER_DEBUG | |
3a4303e7 | 572 | HOST_WIDE_INT orig_address_in_writer; |
2541503d | 573 | #endif |
574 | ||
575 | result = NULL_TREE; | |
576 | ||
577 | #ifdef LTO_STREAMER_DEBUG | |
578 | /* Read the word representing the memory address for the tree | |
579 | as it was written by the writer. This is useful when | |
580 | debugging differences between the writer and reader. */ | |
7f385784 | 581 | orig_address_in_writer = streamer_read_hwi (ib); |
2541503d | 582 | gcc_assert ((intptr_t) orig_address_in_writer == orig_address_in_writer); |
583 | #endif | |
584 | ||
585 | code = lto_tag_to_tree_code (tag); | |
586 | ||
587 | /* We should never see an SSA_NAME tree. Only the version numbers of | |
588 | SSA names are ever written out. See input_ssa_names. */ | |
589 | gcc_assert (code != SSA_NAME); | |
590 | ||
591 | /* Instantiate a new tree using the header data. */ | |
592 | if (CODE_CONTAINS_STRUCT (code, TS_STRING)) | |
7f385784 | 593 | result = streamer_read_string_cst (data_in, ib); |
2541503d | 594 | else if (CODE_CONTAINS_STRUCT (code, TS_IDENTIFIER)) |
595 | result = input_identifier (data_in, ib); | |
596 | else if (CODE_CONTAINS_STRUCT (code, TS_VEC)) | |
597 | { | |
7f385784 | 598 | HOST_WIDE_INT len = streamer_read_hwi (ib); |
2541503d | 599 | result = make_tree_vec (len); |
600 | } | |
fadf62f4 | 601 | else if (CODE_CONTAINS_STRUCT (code, TS_VECTOR)) |
602 | { | |
603 | HOST_WIDE_INT len = streamer_read_hwi (ib); | |
c7a1d251 | 604 | result = make_vector (len); |
fadf62f4 | 605 | } |
2541503d | 606 | else if (CODE_CONTAINS_STRUCT (code, TS_BINFO)) |
607 | { | |
7f385784 | 608 | unsigned HOST_WIDE_INT len = streamer_read_uhwi (ib); |
2541503d | 609 | result = make_tree_binfo (len); |
610 | } | |
e913b5cd | 611 | else if (CODE_CONTAINS_STRUCT (code, TS_INT_CST)) |
612 | { | |
613 | unsigned HOST_WIDE_INT len = streamer_read_uhwi (ib); | |
271e739a | 614 | unsigned HOST_WIDE_INT ext_len = streamer_read_uhwi (ib); |
615 | result = make_int_cst (len, ext_len); | |
e913b5cd | 616 | } |
515cf651 | 617 | else if (code == CALL_EXPR) |
618 | { | |
7f385784 | 619 | unsigned HOST_WIDE_INT nargs = streamer_read_uhwi (ib); |
515cf651 | 620 | return build_vl_exp (CALL_EXPR, nargs + 3); |
621 | } | |
fe3e3369 | 622 | else if (code == OMP_CLAUSE) |
623 | { | |
624 | enum omp_clause_code subcode | |
625 | = (enum omp_clause_code) streamer_read_uhwi (ib); | |
626 | return build_omp_clause (UNKNOWN_LOCATION, subcode); | |
627 | } | |
2541503d | 628 | else |
629 | { | |
515cf651 | 630 | /* For all other nodes, materialize the tree with a raw |
2541503d | 631 | make_node call. */ |
515cf651 | 632 | result = make_node (code); |
2541503d | 633 | } |
634 | ||
635 | #ifdef LTO_STREAMER_DEBUG | |
636 | /* Store the original address of the tree as seen by the writer | |
637 | in RESULT's aux field. This is useful when debugging streaming | |
638 | problems. This way, a debugging session can be started on | |
639 | both writer and reader with a breakpoint using this address | |
640 | value in both. */ | |
641 | lto_orig_address_map (result, (intptr_t) orig_address_in_writer); | |
642 | #endif | |
643 | ||
2541503d | 644 | return result; |
645 | } | |
646 | ||
647 | ||
648 | /* Read all pointer fields in the TS_COMMON structure of EXPR from input | |
649 | block IB. DATA_IN contains tables and descriptors for the | |
650 | file being read. */ | |
651 | ||
652 | ||
653 | static void | |
654 | lto_input_ts_common_tree_pointers (struct lto_input_block *ib, | |
655 | struct data_in *data_in, tree expr) | |
656 | { | |
657 | if (TREE_CODE (expr) != IDENTIFIER_NODE) | |
515cf651 | 658 | TREE_TYPE (expr) = stream_read_tree (ib, data_in); |
2541503d | 659 | } |
660 | ||
661 | ||
662 | /* Read all pointer fields in the TS_VECTOR structure of EXPR from input | |
663 | block IB. DATA_IN contains tables and descriptors for the | |
664 | file being read. */ | |
665 | ||
666 | static void | |
667 | lto_input_ts_vector_tree_pointers (struct lto_input_block *ib, | |
668 | struct data_in *data_in, tree expr) | |
669 | { | |
fadf62f4 | 670 | unsigned i; |
671 | for (i = 0; i < VECTOR_CST_NELTS (expr); ++i) | |
672 | VECTOR_CST_ELT (expr, i) = stream_read_tree (ib, data_in); | |
2541503d | 673 | } |
674 | ||
675 | ||
676 | /* Read all pointer fields in the TS_COMPLEX structure of EXPR from input | |
677 | block IB. DATA_IN contains tables and descriptors for the | |
678 | file being read. */ | |
679 | ||
680 | static void | |
681 | lto_input_ts_complex_tree_pointers (struct lto_input_block *ib, | |
682 | struct data_in *data_in, tree expr) | |
683 | { | |
515cf651 | 684 | TREE_REALPART (expr) = stream_read_tree (ib, data_in); |
685 | TREE_IMAGPART (expr) = stream_read_tree (ib, data_in); | |
2541503d | 686 | } |
687 | ||
688 | ||
689 | /* Read all pointer fields in the TS_DECL_MINIMAL structure of EXPR | |
690 | from input block IB. DATA_IN contains tables and descriptors for the | |
691 | file being read. */ | |
692 | ||
693 | static void | |
694 | lto_input_ts_decl_minimal_tree_pointers (struct lto_input_block *ib, | |
695 | struct data_in *data_in, tree expr) | |
696 | { | |
515cf651 | 697 | DECL_NAME (expr) = stream_read_tree (ib, data_in); |
698 | DECL_CONTEXT (expr) = stream_read_tree (ib, data_in); | |
2541503d | 699 | } |
700 | ||
701 | ||
702 | /* Read all pointer fields in the TS_DECL_COMMON structure of EXPR from | |
703 | input block IB. DATA_IN contains tables and descriptors for the | |
704 | file being read. */ | |
705 | ||
706 | static void | |
707 | lto_input_ts_decl_common_tree_pointers (struct lto_input_block *ib, | |
708 | struct data_in *data_in, tree expr) | |
709 | { | |
515cf651 | 710 | DECL_SIZE (expr) = stream_read_tree (ib, data_in); |
711 | DECL_SIZE_UNIT (expr) = stream_read_tree (ib, data_in); | |
712 | DECL_ATTRIBUTES (expr) = stream_read_tree (ib, data_in); | |
2541503d | 713 | |
714 | /* Do not stream DECL_ABSTRACT_ORIGIN. We cannot handle debug information | |
715 | for early inlining so drop it on the floor instead of ICEing in | |
716 | dwarf2out.c. */ | |
717 | ||
2541503d | 718 | if ((TREE_CODE (expr) == VAR_DECL |
719 | || TREE_CODE (expr) == PARM_DECL) | |
720 | && DECL_HAS_VALUE_EXPR_P (expr)) | |
515cf651 | 721 | SET_DECL_VALUE_EXPR (expr, stream_read_tree (ib, data_in)); |
2541503d | 722 | |
723 | if (TREE_CODE (expr) == VAR_DECL) | |
724 | { | |
515cf651 | 725 | tree dexpr = stream_read_tree (ib, data_in); |
2541503d | 726 | if (dexpr) |
727 | SET_DECL_DEBUG_EXPR (expr, dexpr); | |
728 | } | |
729 | } | |
730 | ||
731 | ||
732 | /* Read all pointer fields in the TS_DECL_NON_COMMON structure of | |
733 | EXPR from input block IB. DATA_IN contains tables and descriptors for the | |
734 | file being read. */ | |
735 | ||
736 | static void | |
737 | lto_input_ts_decl_non_common_tree_pointers (struct lto_input_block *ib, | |
738 | struct data_in *data_in, tree expr) | |
739 | { | |
4df870fd | 740 | if (TREE_CODE (expr) == TYPE_DECL) |
6cd6787c | 741 | DECL_ORIGINAL_TYPE (expr) = stream_read_tree (ib, data_in); |
2541503d | 742 | } |
743 | ||
744 | ||
745 | /* Read all pointer fields in the TS_DECL_WITH_VIS structure of EXPR | |
746 | from input block IB. DATA_IN contains tables and descriptors for the | |
747 | file being read. */ | |
748 | ||
749 | static void | |
750 | lto_input_ts_decl_with_vis_tree_pointers (struct lto_input_block *ib, | |
751 | struct data_in *data_in, tree expr) | |
752 | { | |
753 | tree id; | |
754 | ||
515cf651 | 755 | id = stream_read_tree (ib, data_in); |
2541503d | 756 | if (id) |
757 | { | |
758 | gcc_assert (TREE_CODE (id) == IDENTIFIER_NODE); | |
759 | SET_DECL_ASSEMBLER_NAME (expr, id); | |
760 | } | |
2541503d | 761 | } |
762 | ||
763 | ||
764 | /* Read all pointer fields in the TS_FIELD_DECL structure of EXPR from | |
765 | input block IB. DATA_IN contains tables and descriptors for the | |
766 | file being read. */ | |
767 | ||
768 | static void | |
769 | lto_input_ts_field_decl_tree_pointers (struct lto_input_block *ib, | |
770 | struct data_in *data_in, tree expr) | |
771 | { | |
515cf651 | 772 | DECL_FIELD_OFFSET (expr) = stream_read_tree (ib, data_in); |
773 | DECL_BIT_FIELD_TYPE (expr) = stream_read_tree (ib, data_in); | |
8d8a34f9 | 774 | DECL_BIT_FIELD_REPRESENTATIVE (expr) = stream_read_tree (ib, data_in); |
515cf651 | 775 | DECL_FIELD_BIT_OFFSET (expr) = stream_read_tree (ib, data_in); |
776 | DECL_FCONTEXT (expr) = stream_read_tree (ib, data_in); | |
2541503d | 777 | } |
778 | ||
779 | ||
780 | /* Read all pointer fields in the TS_FUNCTION_DECL structure of EXPR | |
781 | from input block IB. DATA_IN contains tables and descriptors for the | |
782 | file being read. */ | |
783 | ||
784 | static void | |
785 | lto_input_ts_function_decl_tree_pointers (struct lto_input_block *ib, | |
786 | struct data_in *data_in, tree expr) | |
787 | { | |
9c2e58d0 | 788 | DECL_VINDEX (expr) = stream_read_tree (ib, data_in); |
789 | /* DECL_STRUCT_FUNCTION is loaded on demand by cgraph_get_body. */ | |
515cf651 | 790 | DECL_FUNCTION_PERSONALITY (expr) = stream_read_tree (ib, data_in); |
ba000093 | 791 | #ifndef ACCEL_COMPILER |
73527b1d | 792 | DECL_FUNCTION_SPECIFIC_TARGET (expr) = stream_read_tree (ib, data_in); |
ba000093 | 793 | #endif |
515cf651 | 794 | DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr) = stream_read_tree (ib, data_in); |
2541503d | 795 | |
796 | /* If the file contains a function with an EH personality set, | |
797 | then it was compiled with -fexceptions. In that case, initialize | |
798 | the backend EH machinery. */ | |
799 | if (DECL_FUNCTION_PERSONALITY (expr)) | |
800 | lto_init_eh (); | |
801 | } | |
802 | ||
803 | ||
804 | /* Read all pointer fields in the TS_TYPE_COMMON structure of EXPR from | |
805 | input block IB. DATA_IN contains tables and descriptors for the file | |
806 | being read. */ | |
807 | ||
808 | static void | |
809 | lto_input_ts_type_common_tree_pointers (struct lto_input_block *ib, | |
810 | struct data_in *data_in, tree expr) | |
811 | { | |
c7be6601 | 812 | TYPE_SIZE (expr) = stream_read_tree (ib, data_in); |
813 | TYPE_SIZE_UNIT (expr) = stream_read_tree (ib, data_in); | |
814 | TYPE_ATTRIBUTES (expr) = stream_read_tree (ib, data_in); | |
515cf651 | 815 | TYPE_NAME (expr) = stream_read_tree (ib, data_in); |
2541503d | 816 | /* Do not stream TYPE_POINTER_TO or TYPE_REFERENCE_TO. They will be |
817 | reconstructed during fixup. */ | |
818 | /* Do not stream TYPE_NEXT_VARIANT, we reconstruct the variant lists | |
819 | during fixup. */ | |
c7be6601 | 820 | TYPE_MAIN_VARIANT (expr) = stream_read_tree (ib, data_in); |
821 | TYPE_CONTEXT (expr) = stream_read_tree (ib, data_in); | |
2541503d | 822 | /* TYPE_CANONICAL gets re-computed during type merging. */ |
823 | TYPE_CANONICAL (expr) = NULL_TREE; | |
c7be6601 | 824 | TYPE_STUB_DECL (expr) = stream_read_tree (ib, data_in); |
2541503d | 825 | } |
826 | ||
827 | /* Read all pointer fields in the TS_TYPE_NON_COMMON structure of EXPR | |
828 | from input block IB. DATA_IN contains tables and descriptors for the | |
829 | file being read. */ | |
830 | ||
831 | static void | |
832 | lto_input_ts_type_non_common_tree_pointers (struct lto_input_block *ib, | |
833 | struct data_in *data_in, | |
834 | tree expr) | |
835 | { | |
c7be6601 | 836 | if (TREE_CODE (expr) == ENUMERAL_TYPE) |
837 | TYPE_VALUES (expr) = stream_read_tree (ib, data_in); | |
838 | else if (TREE_CODE (expr) == ARRAY_TYPE) | |
839 | TYPE_DOMAIN (expr) = stream_read_tree (ib, data_in); | |
840 | else if (RECORD_OR_UNION_TYPE_P (expr)) | |
93784f3f | 841 | TYPE_FIELDS (expr) = streamer_read_chain (ib, data_in); |
2541503d | 842 | else if (TREE_CODE (expr) == FUNCTION_TYPE |
c7be6601 | 843 | || TREE_CODE (expr) == METHOD_TYPE) |
515cf651 | 844 | TYPE_ARG_TYPES (expr) = stream_read_tree (ib, data_in); |
c7be6601 | 845 | |
846 | if (!POINTER_TYPE_P (expr)) | |
847 | TYPE_MINVAL (expr) = stream_read_tree (ib, data_in); | |
848 | TYPE_MAXVAL (expr) = stream_read_tree (ib, data_in); | |
849 | if (RECORD_OR_UNION_TYPE_P (expr)) | |
850 | TYPE_BINFO (expr) = stream_read_tree (ib, data_in); | |
2541503d | 851 | } |
852 | ||
853 | ||
854 | /* Read all pointer fields in the TS_LIST structure of EXPR from input | |
855 | block IB. DATA_IN contains tables and descriptors for the | |
856 | file being read. */ | |
857 | ||
858 | static void | |
859 | lto_input_ts_list_tree_pointers (struct lto_input_block *ib, | |
860 | struct data_in *data_in, tree expr) | |
861 | { | |
515cf651 | 862 | TREE_PURPOSE (expr) = stream_read_tree (ib, data_in); |
863 | TREE_VALUE (expr) = stream_read_tree (ib, data_in); | |
8ceff600 | 864 | TREE_CHAIN (expr) = stream_read_tree (ib, data_in); |
2541503d | 865 | } |
866 | ||
867 | ||
868 | /* Read all pointer fields in the TS_VEC structure of EXPR from input | |
869 | block IB. DATA_IN contains tables and descriptors for the | |
870 | file being read. */ | |
871 | ||
872 | static void | |
873 | lto_input_ts_vec_tree_pointers (struct lto_input_block *ib, | |
874 | struct data_in *data_in, tree expr) | |
875 | { | |
876 | int i; | |
877 | ||
7f385784 | 878 | /* Note that TREE_VEC_LENGTH was read by streamer_alloc_tree to |
2541503d | 879 | instantiate EXPR. */ |
880 | for (i = 0; i < TREE_VEC_LENGTH (expr); i++) | |
515cf651 | 881 | TREE_VEC_ELT (expr, i) = stream_read_tree (ib, data_in); |
2541503d | 882 | } |
883 | ||
884 | ||
885 | /* Read all pointer fields in the TS_EXP structure of EXPR from input | |
886 | block IB. DATA_IN contains tables and descriptors for the | |
887 | file being read. */ | |
888 | ||
889 | ||
890 | static void | |
891 | lto_input_ts_exp_tree_pointers (struct lto_input_block *ib, | |
892 | struct data_in *data_in, tree expr) | |
893 | { | |
e41fac10 | 894 | int i; |
da6f3259 | 895 | tree block; |
2541503d | 896 | |
e41fac10 | 897 | for (i = 0; i < TREE_OPERAND_LENGTH (expr); i++) |
515cf651 | 898 | TREE_OPERAND (expr, i) = stream_read_tree (ib, data_in); |
2541503d | 899 | |
da6f3259 | 900 | block = stream_read_tree (ib, data_in); |
901 | ||
902 | /* TODO: Block is stored in the locus information. It may make more sense to | |
903 | to make it go via the location cache. */ | |
904 | if (block) | |
905 | { | |
906 | data_in->location_cache.apply_location_cache (); | |
907 | TREE_SET_BLOCK (expr, block); | |
908 | } | |
2541503d | 909 | } |
910 | ||
911 | ||
912 | /* Read all pointer fields in the TS_BLOCK structure of EXPR from input | |
913 | block IB. DATA_IN contains tables and descriptors for the | |
914 | file being read. */ | |
915 | ||
916 | static void | |
917 | lto_input_ts_block_tree_pointers (struct lto_input_block *ib, | |
918 | struct data_in *data_in, tree expr) | |
919 | { | |
7f385784 | 920 | BLOCK_VARS (expr) = streamer_read_chain (ib, data_in); |
2541503d | 921 | |
515cf651 | 922 | BLOCK_SUPERCONTEXT (expr) = stream_read_tree (ib, data_in); |
2541503d | 923 | |
ae52f82e | 924 | /* Stream BLOCK_ABSTRACT_ORIGIN and BLOCK_SOURCE_LOCATION for |
925 | the limited cases we can handle - those that represent inlined | |
926 | function scopes. For the rest them on the floor instead of ICEing in | |
2541503d | 927 | dwarf2out.c. */ |
ae52f82e | 928 | BLOCK_ABSTRACT_ORIGIN (expr) = stream_read_tree (ib, data_in); |
ae52f82e | 929 | /* Do not stream BLOCK_NONLOCALIZED_VARS. We cannot handle debug information |
930 | for early inlined BLOCKs so drop it on the floor instead of ICEing in | |
931 | dwarf2out.c. */ | |
932 | ||
933 | /* BLOCK_FRAGMENT_ORIGIN and BLOCK_FRAGMENT_CHAIN is not live at LTO | |
934 | streaming time. */ | |
2541503d | 935 | |
936 | /* We re-compute BLOCK_SUBBLOCKS of our parent here instead | |
937 | of streaming it. For non-BLOCK BLOCK_SUPERCONTEXTs we still | |
938 | stream the child relationship explicitly. */ | |
939 | if (BLOCK_SUPERCONTEXT (expr) | |
940 | && TREE_CODE (BLOCK_SUPERCONTEXT (expr)) == BLOCK) | |
941 | { | |
942 | BLOCK_CHAIN (expr) = BLOCK_SUBBLOCKS (BLOCK_SUPERCONTEXT (expr)); | |
943 | BLOCK_SUBBLOCKS (BLOCK_SUPERCONTEXT (expr)) = expr; | |
944 | } | |
945 | ||
946 | /* The global block is rooted at the TU decl. Hook it here to | |
947 | avoid the need to stream in this block during WPA time. */ | |
948 | else if (BLOCK_SUPERCONTEXT (expr) | |
949 | && TREE_CODE (BLOCK_SUPERCONTEXT (expr)) == TRANSLATION_UNIT_DECL) | |
950 | DECL_INITIAL (BLOCK_SUPERCONTEXT (expr)) = expr; | |
951 | ||
952 | /* The function-level block is connected at the time we read in | |
953 | function bodies for the same reason. */ | |
954 | } | |
955 | ||
956 | ||
957 | /* Read all pointer fields in the TS_BINFO structure of EXPR from input | |
958 | block IB. DATA_IN contains tables and descriptors for the | |
959 | file being read. */ | |
960 | ||
961 | static void | |
962 | lto_input_ts_binfo_tree_pointers (struct lto_input_block *ib, | |
963 | struct data_in *data_in, tree expr) | |
964 | { | |
e41fac10 | 965 | unsigned i; |
2541503d | 966 | tree t; |
967 | ||
968 | /* Note that the number of slots in EXPR was read in | |
7f385784 | 969 | streamer_alloc_tree when instantiating EXPR. However, the |
f1f41a6c | 970 | vector is empty so we cannot rely on vec::length to know how many |
2541503d | 971 | elements to read. So, this list is emitted as a 0-terminated |
972 | list on the writer side. */ | |
973 | do | |
974 | { | |
515cf651 | 975 | t = stream_read_tree (ib, data_in); |
2541503d | 976 | if (t) |
f1f41a6c | 977 | BINFO_BASE_BINFOS (expr)->quick_push (t); |
2541503d | 978 | } |
979 | while (t); | |
980 | ||
515cf651 | 981 | BINFO_OFFSET (expr) = stream_read_tree (ib, data_in); |
982 | BINFO_VTABLE (expr) = stream_read_tree (ib, data_in); | |
515cf651 | 983 | BINFO_VPTR_FIELD (expr) = stream_read_tree (ib, data_in); |
2541503d | 984 | |
e41fac10 | 985 | /* The vector of BINFO_BASE_ACCESSES is pre-allocated during |
986 | unpacking the bitfield section. */ | |
f1f41a6c | 987 | for (i = 0; i < vec_safe_length (BINFO_BASE_ACCESSES (expr)); i++) |
2541503d | 988 | { |
e41fac10 | 989 | tree a = stream_read_tree (ib, data_in); |
f1f41a6c | 990 | (*BINFO_BASE_ACCESSES (expr))[i] = a; |
2541503d | 991 | } |
c8bc3818 | 992 | /* Do not walk BINFO_INHERITANCE_CHAIN, BINFO_SUBVTT_INDEX |
993 | and BINFO_VPTR_INDEX; these are used by C++ FE only. */ | |
2541503d | 994 | } |
995 | ||
996 | ||
997 | /* Read all pointer fields in the TS_CONSTRUCTOR structure of EXPR from | |
998 | input block IB. DATA_IN contains tables and descriptors for the | |
999 | file being read. */ | |
1000 | ||
1001 | static void | |
1002 | lto_input_ts_constructor_tree_pointers (struct lto_input_block *ib, | |
1003 | struct data_in *data_in, tree expr) | |
1004 | { | |
e41fac10 | 1005 | unsigned i; |
2541503d | 1006 | |
e41fac10 | 1007 | for (i = 0; i < CONSTRUCTOR_NELTS (expr); i++) |
2541503d | 1008 | { |
e41fac10 | 1009 | constructor_elt e; |
1010 | e.index = stream_read_tree (ib, data_in); | |
1011 | e.value = stream_read_tree (ib, data_in); | |
f1f41a6c | 1012 | (*CONSTRUCTOR_ELTS (expr))[i] = e; |
2541503d | 1013 | } |
1014 | } | |
1015 | ||
1016 | ||
fe3e3369 | 1017 | /* Read all pointer fields in the TS_OMP_CLAUSE structure of EXPR from |
1018 | input block IB. DATA_IN contains tables and descriptors for the | |
1019 | file being read. */ | |
1020 | ||
1021 | static void | |
1022 | lto_input_ts_omp_clause_tree_pointers (struct lto_input_block *ib, | |
1023 | struct data_in *data_in, tree expr) | |
1024 | { | |
1025 | int i; | |
1026 | ||
1027 | for (i = 0; i < omp_clause_num_ops[OMP_CLAUSE_CODE (expr)]; i++) | |
1028 | OMP_CLAUSE_OPERAND (expr, i) = stream_read_tree (ib, data_in); | |
1029 | OMP_CLAUSE_CHAIN (expr) = stream_read_tree (ib, data_in); | |
1030 | } | |
1031 | ||
1032 | ||
515cf651 | 1033 | /* Read all pointer fields in EXPR from input block IB. DATA_IN |
1034 | contains tables and descriptors for the file being read. */ | |
2541503d | 1035 | |
515cf651 | 1036 | void |
7f385784 | 1037 | streamer_read_tree_body (struct lto_input_block *ib, struct data_in *data_in, |
2541503d | 1038 | tree expr) |
1039 | { | |
1040 | enum tree_code code; | |
1041 | ||
1042 | code = TREE_CODE (expr); | |
1043 | ||
1044 | if (CODE_CONTAINS_STRUCT (code, TS_TYPED)) | |
1045 | lto_input_ts_common_tree_pointers (ib, data_in, expr); | |
1046 | ||
1047 | if (CODE_CONTAINS_STRUCT (code, TS_VECTOR)) | |
1048 | lto_input_ts_vector_tree_pointers (ib, data_in, expr); | |
1049 | ||
1050 | if (CODE_CONTAINS_STRUCT (code, TS_COMPLEX)) | |
1051 | lto_input_ts_complex_tree_pointers (ib, data_in, expr); | |
1052 | ||
1053 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL)) | |
1054 | lto_input_ts_decl_minimal_tree_pointers (ib, data_in, expr); | |
1055 | ||
1056 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON)) | |
1057 | lto_input_ts_decl_common_tree_pointers (ib, data_in, expr); | |
1058 | ||
1059 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_NON_COMMON)) | |
1060 | lto_input_ts_decl_non_common_tree_pointers (ib, data_in, expr); | |
1061 | ||
1062 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS)) | |
1063 | lto_input_ts_decl_with_vis_tree_pointers (ib, data_in, expr); | |
1064 | ||
1065 | if (CODE_CONTAINS_STRUCT (code, TS_FIELD_DECL)) | |
1066 | lto_input_ts_field_decl_tree_pointers (ib, data_in, expr); | |
1067 | ||
1068 | if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL)) | |
1069 | lto_input_ts_function_decl_tree_pointers (ib, data_in, expr); | |
1070 | ||
1071 | if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON)) | |
1072 | lto_input_ts_type_common_tree_pointers (ib, data_in, expr); | |
1073 | ||
1074 | if (CODE_CONTAINS_STRUCT (code, TS_TYPE_NON_COMMON)) | |
1075 | lto_input_ts_type_non_common_tree_pointers (ib, data_in, expr); | |
1076 | ||
1077 | if (CODE_CONTAINS_STRUCT (code, TS_LIST)) | |
1078 | lto_input_ts_list_tree_pointers (ib, data_in, expr); | |
1079 | ||
1080 | if (CODE_CONTAINS_STRUCT (code, TS_VEC)) | |
1081 | lto_input_ts_vec_tree_pointers (ib, data_in, expr); | |
1082 | ||
1083 | if (CODE_CONTAINS_STRUCT (code, TS_EXP)) | |
1084 | lto_input_ts_exp_tree_pointers (ib, data_in, expr); | |
1085 | ||
1086 | if (CODE_CONTAINS_STRUCT (code, TS_BLOCK)) | |
1087 | lto_input_ts_block_tree_pointers (ib, data_in, expr); | |
1088 | ||
1089 | if (CODE_CONTAINS_STRUCT (code, TS_BINFO)) | |
1090 | lto_input_ts_binfo_tree_pointers (ib, data_in, expr); | |
1091 | ||
1092 | if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR)) | |
1093 | lto_input_ts_constructor_tree_pointers (ib, data_in, expr); | |
fe3e3369 | 1094 | |
1095 | if (code == OMP_CLAUSE) | |
1096 | lto_input_ts_omp_clause_tree_pointers (ib, data_in, expr); | |
2541503d | 1097 | } |
1098 | ||
1099 | ||
2541503d | 1100 | /* Read an index IX from input block IB and return the tree node at |
1101 | DATA_IN->FILE_DATA->GLOBALS_INDEX[IX]. */ | |
1102 | ||
515cf651 | 1103 | tree |
7f385784 | 1104 | streamer_get_pickled_tree (struct lto_input_block *ib, struct data_in *data_in) |
2541503d | 1105 | { |
1106 | unsigned HOST_WIDE_INT ix; | |
1107 | tree result; | |
1108 | enum LTO_tags expected_tag; | |
1109 | ||
7f385784 | 1110 | ix = streamer_read_uhwi (ib); |
1111 | expected_tag = streamer_read_enum (ib, LTO_tags, LTO_NUM_TAGS); | |
2541503d | 1112 | |
8ceff600 | 1113 | result = streamer_tree_cache_get_tree (data_in->reader_cache, ix); |
2541503d | 1114 | gcc_assert (result |
1115 | && TREE_CODE (result) == lto_tag_to_tree_code (expected_tag)); | |
1116 | ||
1117 | return result; | |
1118 | } | |
1119 | ||
1120 | ||
1121 | /* Read a code and class from input block IB and return the | |
515cf651 | 1122 | corresponding builtin. DATA_IN is as in stream_read_tree. */ |
2541503d | 1123 | |
515cf651 | 1124 | tree |
7f385784 | 1125 | streamer_get_builtin_tree (struct lto_input_block *ib, struct data_in *data_in) |
2541503d | 1126 | { |
1127 | enum built_in_class fclass; | |
1128 | enum built_in_function fcode; | |
1129 | const char *asmname; | |
1130 | tree result; | |
1131 | ||
7f385784 | 1132 | fclass = streamer_read_enum (ib, built_in_class, BUILT_IN_LAST); |
2541503d | 1133 | gcc_assert (fclass == BUILT_IN_NORMAL || fclass == BUILT_IN_MD); |
1134 | ||
7f385784 | 1135 | fcode = (enum built_in_function) streamer_read_uhwi (ib); |
2541503d | 1136 | |
1137 | if (fclass == BUILT_IN_NORMAL) | |
1138 | { | |
1139 | if (fcode >= END_BUILTINS) | |
c05be867 | 1140 | fatal_error (input_location, |
1141 | "machine independent builtin code out of range"); | |
b9a16870 | 1142 | result = builtin_decl_explicit (fcode); |
f21337ef | 1143 | if (!result |
1144 | && fcode > BEGIN_CHKP_BUILTINS | |
1145 | && fcode < END_CHKP_BUILTINS) | |
1146 | { | |
1147 | fcode = (enum built_in_function) (fcode - BEGIN_CHKP_BUILTINS - 1); | |
1148 | result = builtin_decl_explicit (fcode); | |
1149 | result = chkp_maybe_clone_builtin_fndecl (result); | |
1150 | } | |
2541503d | 1151 | gcc_assert (result); |
1152 | } | |
1153 | else if (fclass == BUILT_IN_MD) | |
1154 | { | |
1155 | result = targetm.builtin_decl (fcode, true); | |
1156 | if (!result || result == error_mark_node) | |
c05be867 | 1157 | fatal_error (input_location, "target specific builtin not available"); |
2541503d | 1158 | } |
1159 | else | |
1160 | gcc_unreachable (); | |
1161 | ||
7f385784 | 1162 | asmname = streamer_read_string (data_in, ib); |
2541503d | 1163 | if (asmname) |
1164 | set_builtin_user_assembler_name (result, asmname); | |
1165 | ||
8ceff600 | 1166 | streamer_tree_cache_append (data_in->reader_cache, result, 0); |
2541503d | 1167 | |
1168 | return result; | |
1169 | } |