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Commit | Line | Data |
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f0efc7aa DN |
1 | /* Routines for reading trees from a file stream. |
2 | ||
5624e564 | 3 | Copyright (C) 2011-2015 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" | |
25 | #include "diagnostic.h" | |
26 | #include "tree.h" | |
d8a2d370 | 27 | #include "stringpool.h" |
60393bbc AM |
28 | #include "predict.h" |
29 | #include "vec.h" | |
30 | #include "hashtab.h" | |
31 | #include "hash-set.h" | |
32 | #include "machmode.h" | |
33 | #include "tm.h" | |
34 | #include "hard-reg-set.h" | |
35 | #include "input.h" | |
36 | #include "function.h" | |
2fb9a547 AM |
37 | #include "basic-block.h" |
38 | #include "tree-ssa-alias.h" | |
39 | #include "internal-fn.h" | |
40 | #include "gimple-expr.h" | |
41 | #include "is-a.h" | |
8e9055ae | 42 | #include "gimple.h" |
c582198b AM |
43 | #include "hash-map.h" |
44 | #include "plugin-api.h" | |
45 | #include "ipa-ref.h" | |
46 | #include "cgraph.h" | |
f0efc7aa DN |
47 | #include "tree-streamer.h" |
48 | #include "data-streamer.h" | |
49 | #include "streamer-hooks.h" | |
50 | #include "lto-streamer.h" | |
9b2b7279 | 51 | #include "builtins.h" |
edcf72f3 | 52 | #include "ipa-chkp.h" |
f0efc7aa DN |
53 | |
54 | /* Read a STRING_CST from the string table in DATA_IN using input | |
55 | block IB. */ | |
56 | ||
57 | tree | |
412288f1 | 58 | streamer_read_string_cst (struct data_in *data_in, struct lto_input_block *ib) |
f0efc7aa DN |
59 | { |
60 | unsigned int len; | |
61 | const char * ptr; | |
62 | ||
412288f1 | 63 | ptr = streamer_read_indexed_string (data_in, ib, &len); |
f0efc7aa DN |
64 | if (!ptr) |
65 | return NULL; | |
66 | return build_string (len, ptr); | |
67 | } | |
68 | ||
69 | ||
70 | /* Read an IDENTIFIER from the string table in DATA_IN using input | |
71 | block IB. */ | |
72 | ||
73 | static tree | |
74 | input_identifier (struct data_in *data_in, struct lto_input_block *ib) | |
75 | { | |
76 | unsigned int len; | |
77 | const char *ptr; | |
78 | ||
412288f1 | 79 | ptr = streamer_read_indexed_string (data_in, ib, &len); |
f0efc7aa DN |
80 | if (!ptr) |
81 | return NULL; | |
82 | return get_identifier_with_length (ptr, len); | |
83 | } | |
84 | ||
85 | ||
86 | /* Read a chain of tree nodes from input block IB. DATA_IN contains | |
87 | tables and descriptors for the file being read. */ | |
88 | ||
412288f1 DN |
89 | tree |
90 | streamer_read_chain (struct lto_input_block *ib, struct data_in *data_in) | |
f0efc7aa | 91 | { |
f0efc7aa DN |
92 | tree first, prev, curr; |
93 | ||
0127aae4 | 94 | /* The chain is written as NULL terminated list of trees. */ |
f0efc7aa | 95 | first = prev = NULL_TREE; |
0127aae4 | 96 | do |
f0efc7aa | 97 | { |
b9393656 | 98 | curr = stream_read_tree (ib, data_in); |
f0efc7aa DN |
99 | if (prev) |
100 | TREE_CHAIN (prev) = curr; | |
101 | else | |
102 | first = curr; | |
103 | ||
f0efc7aa DN |
104 | prev = curr; |
105 | } | |
0127aae4 | 106 | while (curr); |
f0efc7aa DN |
107 | |
108 | return first; | |
109 | } | |
110 | ||
111 | ||
112 | /* Unpack all the non-pointer fields of the TS_BASE structure of | |
113 | expression EXPR from bitpack BP. */ | |
114 | ||
115 | static void | |
116 | unpack_ts_base_value_fields (struct bitpack_d *bp, tree expr) | |
117 | { | |
118 | /* Note that the code for EXPR has already been unpacked to create EXPR in | |
412288f1 | 119 | streamer_alloc_tree. */ |
f0efc7aa DN |
120 | if (!TYPE_P (expr)) |
121 | { | |
122 | TREE_SIDE_EFFECTS (expr) = (unsigned) bp_unpack_value (bp, 1); | |
123 | TREE_CONSTANT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
124 | TREE_READONLY (expr) = (unsigned) bp_unpack_value (bp, 1); | |
125 | ||
126 | /* TREE_PUBLIC is used on types to indicate that the type | |
127 | has a TYPE_CACHED_VALUES vector. This is not streamed out, | |
128 | so we skip it here. */ | |
129 | TREE_PUBLIC (expr) = (unsigned) bp_unpack_value (bp, 1); | |
130 | } | |
131 | else | |
132 | bp_unpack_value (bp, 4); | |
133 | TREE_ADDRESSABLE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
134 | TREE_THIS_VOLATILE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
135 | if (DECL_P (expr)) | |
136 | DECL_UNSIGNED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
137 | else if (TYPE_P (expr)) | |
138 | TYPE_UNSIGNED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
139 | else | |
140 | bp_unpack_value (bp, 1); | |
141 | TREE_ASM_WRITTEN (expr) = (unsigned) bp_unpack_value (bp, 1); | |
142 | if (TYPE_P (expr)) | |
143 | TYPE_ARTIFICIAL (expr) = (unsigned) bp_unpack_value (bp, 1); | |
144 | else | |
145 | TREE_NO_WARNING (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa DN |
146 | TREE_NOTHROW (expr) = (unsigned) bp_unpack_value (bp, 1); |
147 | TREE_STATIC (expr) = (unsigned) bp_unpack_value (bp, 1); | |
ee03e71d RB |
148 | if (TREE_CODE (expr) != TREE_BINFO) |
149 | TREE_PRIVATE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa DN |
150 | TREE_PROTECTED (expr) = (unsigned) bp_unpack_value (bp, 1); |
151 | TREE_DEPRECATED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
152 | if (TYPE_P (expr)) | |
875b35b4 DN |
153 | { |
154 | TYPE_SATURATING (expr) = (unsigned) bp_unpack_value (bp, 1); | |
155 | TYPE_ADDR_SPACE (expr) = (unsigned) bp_unpack_value (bp, 8); | |
156 | } | |
f0efc7aa DN |
157 | else if (TREE_CODE (expr) == SSA_NAME) |
158 | SSA_NAME_IS_DEFAULT_DEF (expr) = (unsigned) bp_unpack_value (bp, 1); | |
159 | else | |
160 | bp_unpack_value (bp, 1); | |
161 | } | |
162 | ||
163 | ||
c61f8c3b RG |
164 | /* Unpack all the non-pointer fields of the TS_INT_CST structure of |
165 | expression EXPR from bitpack BP. */ | |
166 | ||
167 | static void | |
168 | unpack_ts_int_cst_value_fields (struct bitpack_d *bp, tree expr) | |
169 | { | |
807e902e KZ |
170 | int i; |
171 | for (i = 0; i < TREE_INT_CST_EXT_NUNITS (expr); i++) | |
172 | TREE_INT_CST_ELT (expr, i) = bp_unpack_var_len_int (bp); | |
c61f8c3b RG |
173 | } |
174 | ||
175 | ||
f0efc7aa DN |
176 | /* Unpack all the non-pointer fields of the TS_REAL_CST structure of |
177 | expression EXPR from bitpack BP. */ | |
178 | ||
179 | static void | |
180 | unpack_ts_real_cst_value_fields (struct bitpack_d *bp, tree expr) | |
181 | { | |
182 | unsigned i; | |
183 | REAL_VALUE_TYPE r; | |
184 | REAL_VALUE_TYPE *rp; | |
185 | ||
a822564d JJ |
186 | /* Clear all bits of the real value type so that we can later do |
187 | bitwise comparisons to see if two values are the same. */ | |
188 | memset (&r, 0, sizeof r); | |
f0efc7aa DN |
189 | r.cl = (unsigned) bp_unpack_value (bp, 2); |
190 | r.decimal = (unsigned) bp_unpack_value (bp, 1); | |
191 | r.sign = (unsigned) bp_unpack_value (bp, 1); | |
192 | r.signalling = (unsigned) bp_unpack_value (bp, 1); | |
193 | r.canonical = (unsigned) bp_unpack_value (bp, 1); | |
194 | r.uexp = (unsigned) bp_unpack_value (bp, EXP_BITS); | |
195 | for (i = 0; i < SIGSZ; i++) | |
196 | r.sig[i] = (unsigned long) bp_unpack_value (bp, HOST_BITS_PER_LONG); | |
197 | ||
766090c2 | 198 | rp = ggc_alloc<real_value> (); |
f0efc7aa DN |
199 | memcpy (rp, &r, sizeof (REAL_VALUE_TYPE)); |
200 | TREE_REAL_CST_PTR (expr) = rp; | |
201 | } | |
202 | ||
203 | ||
204 | /* Unpack all the non-pointer fields of the TS_FIXED_CST structure of | |
205 | expression EXPR from bitpack BP. */ | |
206 | ||
207 | static void | |
208 | unpack_ts_fixed_cst_value_fields (struct bitpack_d *bp, tree expr) | |
209 | { | |
766090c2 | 210 | FIXED_VALUE_TYPE *fp = ggc_alloc<fixed_value> (); |
f57f20bb RG |
211 | fp->mode = bp_unpack_enum (bp, machine_mode, MAX_MACHINE_MODE); |
212 | fp->data.low = bp_unpack_var_len_int (bp); | |
213 | fp->data.high = bp_unpack_var_len_int (bp); | |
214 | TREE_FIXED_CST_PTR (expr) = fp; | |
f0efc7aa DN |
215 | } |
216 | ||
f0efc7aa DN |
217 | /* Unpack all the non-pointer fields of the TS_DECL_COMMON structure |
218 | of expression EXPR from bitpack BP. */ | |
219 | ||
220 | static void | |
221 | unpack_ts_decl_common_value_fields (struct bitpack_d *bp, tree expr) | |
222 | { | |
223 | DECL_MODE (expr) = bp_unpack_enum (bp, machine_mode, MAX_MACHINE_MODE); | |
224 | DECL_NONLOCAL (expr) = (unsigned) bp_unpack_value (bp, 1); | |
225 | DECL_VIRTUAL_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
226 | DECL_IGNORED_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
00de328a | 227 | DECL_ABSTRACT_P (expr) = (unsigned) bp_unpack_value (bp, 1); |
f0efc7aa DN |
228 | DECL_ARTIFICIAL (expr) = (unsigned) bp_unpack_value (bp, 1); |
229 | DECL_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, 1); | |
230 | DECL_PRESERVE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa DN |
231 | DECL_EXTERNAL (expr) = (unsigned) bp_unpack_value (bp, 1); |
232 | DECL_GIMPLE_REG_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
233 | DECL_ALIGN (expr) = (unsigned) bp_unpack_var_len_unsigned (bp); | |
234 | ||
235 | if (TREE_CODE (expr) == LABEL_DECL) | |
236 | { | |
f0efc7aa DN |
237 | EH_LANDING_PAD_NR (expr) = (int) bp_unpack_var_len_unsigned (bp); |
238 | ||
239 | /* Always assume an initial value of -1 for LABEL_DECL_UID to | |
240 | force gimple_set_bb to recreate label_to_block_map. */ | |
241 | LABEL_DECL_UID (expr) = -1; | |
242 | } | |
243 | ||
244 | if (TREE_CODE (expr) == FIELD_DECL) | |
245 | { | |
246 | DECL_PACKED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
247 | DECL_NONADDRESSABLE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
248 | expr->decl_common.off_align = bp_unpack_value (bp, 8); | |
249 | } | |
250 | ||
0f1e8842 | 251 | if (TREE_CODE (expr) == VAR_DECL) |
839b422f RB |
252 | { |
253 | DECL_HAS_DEBUG_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
254 | DECL_NONLOCAL_FRAME (expr) = (unsigned) bp_unpack_value (bp, 1); | |
255 | } | |
0f1e8842 | 256 | |
f0efc7aa DN |
257 | if (TREE_CODE (expr) == RESULT_DECL |
258 | || TREE_CODE (expr) == PARM_DECL | |
259 | || TREE_CODE (expr) == VAR_DECL) | |
260 | { | |
261 | DECL_BY_REFERENCE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
262 | if (TREE_CODE (expr) == VAR_DECL | |
263 | || TREE_CODE (expr) == PARM_DECL) | |
264 | DECL_HAS_VALUE_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa DN |
265 | } |
266 | } | |
267 | ||
268 | ||
269 | /* Unpack all the non-pointer fields of the TS_DECL_WRTL structure | |
270 | of expression EXPR from bitpack BP. */ | |
271 | ||
272 | static void | |
273 | unpack_ts_decl_wrtl_value_fields (struct bitpack_d *bp, tree expr) | |
274 | { | |
275 | DECL_REGISTER (expr) = (unsigned) bp_unpack_value (bp, 1); | |
276 | } | |
277 | ||
278 | ||
279 | /* Unpack all the non-pointer fields of the TS_DECL_WITH_VIS structure | |
280 | of expression EXPR from bitpack BP. */ | |
281 | ||
282 | static void | |
283 | unpack_ts_decl_with_vis_value_fields (struct bitpack_d *bp, tree expr) | |
284 | { | |
f0efc7aa DN |
285 | DECL_COMMON (expr) = (unsigned) bp_unpack_value (bp, 1); |
286 | DECL_DLLIMPORT_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
287 | DECL_WEAK (expr) = (unsigned) bp_unpack_value (bp, 1); | |
288 | DECL_SEEN_IN_BIND_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
289 | DECL_COMDAT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
290 | DECL_VISIBILITY (expr) = (enum symbol_visibility) bp_unpack_value (bp, 2); | |
291 | DECL_VISIBILITY_SPECIFIED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
292 | ||
293 | if (TREE_CODE (expr) == VAR_DECL) | |
294 | { | |
295 | DECL_HARD_REGISTER (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa | 296 | DECL_IN_CONSTANT_POOL (expr) = (unsigned) bp_unpack_value (bp, 1); |
f0efc7aa DN |
297 | } |
298 | ||
0170f33c JH |
299 | if (TREE_CODE (expr) == FUNCTION_DECL) |
300 | { | |
301 | DECL_FINAL_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
302 | DECL_CXX_CONSTRUCTOR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
303 | DECL_CXX_DESTRUCTOR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
304 | } | |
f0efc7aa DN |
305 | } |
306 | ||
307 | ||
308 | /* Unpack all the non-pointer fields of the TS_FUNCTION_DECL structure | |
309 | of expression EXPR from bitpack BP. */ | |
310 | ||
311 | static void | |
312 | unpack_ts_function_decl_value_fields (struct bitpack_d *bp, tree expr) | |
313 | { | |
314 | DECL_BUILT_IN_CLASS (expr) = bp_unpack_enum (bp, built_in_class, | |
315 | BUILT_IN_LAST); | |
316 | DECL_STATIC_CONSTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, 1); | |
317 | DECL_STATIC_DESTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, 1); | |
318 | DECL_UNINLINABLE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
319 | DECL_POSSIBLY_INLINED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
320 | DECL_IS_NOVOPS (expr) = (unsigned) bp_unpack_value (bp, 1); | |
321 | DECL_IS_RETURNS_TWICE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
322 | DECL_IS_MALLOC (expr) = (unsigned) bp_unpack_value (bp, 1); | |
323 | DECL_IS_OPERATOR_NEW (expr) = (unsigned) bp_unpack_value (bp, 1); | |
324 | DECL_DECLARED_INLINE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
325 | DECL_STATIC_CHAIN (expr) = (unsigned) bp_unpack_value (bp, 1); | |
326 | DECL_NO_INLINE_WARNING_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
327 | DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (expr) | |
328 | = (unsigned) bp_unpack_value (bp, 1); | |
329 | DECL_NO_LIMIT_STACK (expr) = (unsigned) bp_unpack_value (bp, 1); | |
330 | DECL_DISREGARD_INLINE_LIMITS (expr) = (unsigned) bp_unpack_value (bp, 1); | |
331 | DECL_PURE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
332 | DECL_LOOPING_CONST_OR_PURE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
333 | if (DECL_BUILT_IN_CLASS (expr) != NOT_BUILT_IN) | |
334 | { | |
335 | DECL_FUNCTION_CODE (expr) = (enum built_in_function) bp_unpack_value (bp, | |
3c350d48 | 336 | 12); |
f0efc7aa DN |
337 | if (DECL_BUILT_IN_CLASS (expr) == BUILT_IN_NORMAL |
338 | && DECL_FUNCTION_CODE (expr) >= END_BUILTINS) | |
339 | fatal_error ("machine independent builtin code out of range"); | |
340 | else if (DECL_BUILT_IN_CLASS (expr) == BUILT_IN_MD) | |
341 | { | |
342 | tree result = targetm.builtin_decl (DECL_FUNCTION_CODE (expr), true); | |
343 | if (!result || result == error_mark_node) | |
344 | fatal_error ("target specific builtin not available"); | |
345 | } | |
346 | } | |
f0efc7aa DN |
347 | } |
348 | ||
349 | ||
350 | /* Unpack all the non-pointer fields of the TS_TYPE_COMMON structure | |
351 | of expression EXPR from bitpack BP. */ | |
352 | ||
353 | static void | |
354 | unpack_ts_type_common_value_fields (struct bitpack_d *bp, tree expr) | |
355 | { | |
ef4bddc2 | 356 | machine_mode mode; |
f0efc7aa DN |
357 | |
358 | mode = bp_unpack_enum (bp, machine_mode, MAX_MACHINE_MODE); | |
359 | SET_TYPE_MODE (expr, mode); | |
360 | TYPE_STRING_FLAG (expr) = (unsigned) bp_unpack_value (bp, 1); | |
361 | TYPE_NO_FORCE_BLK (expr) = (unsigned) bp_unpack_value (bp, 1); | |
362 | TYPE_NEEDS_CONSTRUCTING (expr) = (unsigned) bp_unpack_value (bp, 1); | |
363 | if (RECORD_OR_UNION_TYPE_P (expr)) | |
0170f33c JH |
364 | { |
365 | TYPE_TRANSPARENT_AGGR (expr) = (unsigned) bp_unpack_value (bp, 1); | |
366 | TYPE_FINAL_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
367 | } | |
04208228 EB |
368 | else if (TREE_CODE (expr) == ARRAY_TYPE) |
369 | TYPE_NONALIASED_COMPONENT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa DN |
370 | TYPE_PACKED (expr) = (unsigned) bp_unpack_value (bp, 1); |
371 | TYPE_RESTRICT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa DN |
372 | TYPE_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, 1); |
373 | TYPE_READONLY (expr) = (unsigned) bp_unpack_value (bp, 1); | |
374 | TYPE_PRECISION (expr) = bp_unpack_var_len_unsigned (bp); | |
375 | TYPE_ALIGN (expr) = bp_unpack_var_len_unsigned (bp); | |
376 | TYPE_ALIAS_SET (expr) = bp_unpack_var_len_int (bp); | |
377 | } | |
378 | ||
379 | ||
380 | /* Unpack all the non-pointer fields of the TS_BLOCK structure | |
381 | of expression EXPR from bitpack BP. */ | |
382 | ||
383 | static void | |
7cb7d208 RB |
384 | unpack_ts_block_value_fields (struct data_in *data_in, |
385 | struct bitpack_d *bp, tree expr) | |
f0efc7aa DN |
386 | { |
387 | BLOCK_ABSTRACT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
388 | /* BLOCK_NUMBER is recomputed. */ | |
7cb7d208 | 389 | BLOCK_SOURCE_LOCATION (expr) = stream_input_location (bp, data_in); |
f0efc7aa DN |
390 | } |
391 | ||
392 | /* Unpack all the non-pointer fields of the TS_TRANSLATION_UNIT_DECL | |
393 | structure of expression EXPR from bitpack BP. */ | |
394 | ||
395 | static void | |
8135e1e6 RB |
396 | unpack_ts_translation_unit_decl_value_fields (struct data_in *data_in, |
397 | struct bitpack_d *bp, tree expr) | |
f0efc7aa | 398 | { |
8135e1e6 | 399 | TRANSLATION_UNIT_LANGUAGE (expr) = xstrdup (bp_unpack_string (data_in, bp)); |
9771b263 | 400 | vec_safe_push (all_translation_units, expr); |
f0efc7aa DN |
401 | } |
402 | ||
0889c5c3 | 403 | |
c193f58b JJ |
404 | /* Unpack all the non-pointer fields of the TS_OMP_CLAUSE |
405 | structure of expression EXPR from bitpack BP. */ | |
406 | ||
407 | static void | |
408 | unpack_ts_omp_clause_value_fields (struct data_in *data_in, | |
409 | struct bitpack_d *bp, tree expr) | |
410 | { | |
411 | OMP_CLAUSE_LOCATION (expr) = stream_input_location (bp, data_in); | |
412 | switch (OMP_CLAUSE_CODE (expr)) | |
413 | { | |
414 | case OMP_CLAUSE_DEFAULT: | |
415 | OMP_CLAUSE_DEFAULT_KIND (expr) | |
416 | = bp_unpack_enum (bp, omp_clause_default_kind, | |
417 | OMP_CLAUSE_DEFAULT_LAST); | |
418 | break; | |
419 | case OMP_CLAUSE_SCHEDULE: | |
420 | OMP_CLAUSE_SCHEDULE_KIND (expr) | |
421 | = bp_unpack_enum (bp, omp_clause_schedule_kind, | |
422 | OMP_CLAUSE_SCHEDULE_LAST); | |
423 | break; | |
424 | case OMP_CLAUSE_DEPEND: | |
425 | OMP_CLAUSE_DEPEND_KIND (expr) | |
426 | = bp_unpack_enum (bp, omp_clause_depend_kind, OMP_CLAUSE_DEPEND_LAST); | |
427 | break; | |
428 | case OMP_CLAUSE_MAP: | |
429 | OMP_CLAUSE_MAP_KIND (expr) | |
430 | = bp_unpack_enum (bp, omp_clause_map_kind, OMP_CLAUSE_MAP_LAST); | |
431 | break; | |
432 | case OMP_CLAUSE_PROC_BIND: | |
433 | OMP_CLAUSE_PROC_BIND_KIND (expr) | |
434 | = bp_unpack_enum (bp, omp_clause_proc_bind_kind, | |
435 | OMP_CLAUSE_PROC_BIND_LAST); | |
436 | break; | |
437 | case OMP_CLAUSE_REDUCTION: | |
438 | OMP_CLAUSE_REDUCTION_CODE (expr) | |
439 | = bp_unpack_enum (bp, tree_code, MAX_TREE_CODES); | |
440 | break; | |
441 | default: | |
442 | break; | |
443 | } | |
444 | } | |
445 | ||
f0efc7aa DN |
446 | /* Unpack all the non-pointer fields in EXPR into a bit pack. */ |
447 | ||
448 | static void | |
7cb7d208 | 449 | unpack_value_fields (struct data_in *data_in, struct bitpack_d *bp, tree expr) |
f0efc7aa DN |
450 | { |
451 | enum tree_code code; | |
452 | ||
453 | code = TREE_CODE (expr); | |
454 | ||
455 | /* Note that all these functions are highly sensitive to changes in | |
456 | the types and sizes of each of the fields being packed. */ | |
457 | unpack_ts_base_value_fields (bp, expr); | |
458 | ||
c61f8c3b RG |
459 | if (CODE_CONTAINS_STRUCT (code, TS_INT_CST)) |
460 | unpack_ts_int_cst_value_fields (bp, expr); | |
461 | ||
f0efc7aa DN |
462 | if (CODE_CONTAINS_STRUCT (code, TS_REAL_CST)) |
463 | unpack_ts_real_cst_value_fields (bp, expr); | |
464 | ||
465 | if (CODE_CONTAINS_STRUCT (code, TS_FIXED_CST)) | |
466 | unpack_ts_fixed_cst_value_fields (bp, expr); | |
467 | ||
7cb7d208 RB |
468 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL)) |
469 | DECL_SOURCE_LOCATION (expr) = stream_input_location (bp, data_in); | |
470 | ||
f0efc7aa DN |
471 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON)) |
472 | unpack_ts_decl_common_value_fields (bp, expr); | |
473 | ||
474 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL)) | |
475 | unpack_ts_decl_wrtl_value_fields (bp, expr); | |
476 | ||
477 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS)) | |
478 | unpack_ts_decl_with_vis_value_fields (bp, expr); | |
479 | ||
480 | if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL)) | |
481 | unpack_ts_function_decl_value_fields (bp, expr); | |
482 | ||
483 | if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON)) | |
484 | unpack_ts_type_common_value_fields (bp, expr); | |
485 | ||
7cb7d208 | 486 | if (CODE_CONTAINS_STRUCT (code, TS_EXP)) |
f3dccf50 RB |
487 | { |
488 | SET_EXPR_LOCATION (expr, stream_input_location (bp, data_in)); | |
489 | if (code == MEM_REF | |
490 | || code == TARGET_MEM_REF) | |
491 | { | |
492 | MR_DEPENDENCE_CLIQUE (expr) | |
493 | = (unsigned)bp_unpack_value (bp, sizeof (short) * 8); | |
494 | if (MR_DEPENDENCE_CLIQUE (expr) != 0) | |
495 | MR_DEPENDENCE_BASE (expr) | |
496 | = (unsigned)bp_unpack_value (bp, sizeof (short) * 8); | |
497 | } | |
498 | } | |
7cb7d208 | 499 | |
f0efc7aa | 500 | if (CODE_CONTAINS_STRUCT (code, TS_BLOCK)) |
7cb7d208 | 501 | unpack_ts_block_value_fields (data_in, bp, expr); |
f0efc7aa DN |
502 | |
503 | if (CODE_CONTAINS_STRUCT (code, TS_TRANSLATION_UNIT_DECL)) | |
8135e1e6 | 504 | unpack_ts_translation_unit_decl_value_fields (data_in, bp, expr); |
0889c5c3 | 505 | |
0889c5c3 | 506 | if (CODE_CONTAINS_STRUCT (code, TS_OPTIMIZATION)) |
ca9a04da | 507 | cl_optimization_stream_in (bp, TREE_OPTIMIZATION (expr)); |
0127aae4 RG |
508 | |
509 | if (CODE_CONTAINS_STRUCT (code, TS_BINFO)) | |
510 | { | |
511 | unsigned HOST_WIDE_INT length = bp_unpack_var_len_unsigned (bp); | |
512 | if (length > 0) | |
9771b263 | 513 | vec_safe_grow (BINFO_BASE_ACCESSES (expr), length); |
0127aae4 RG |
514 | } |
515 | ||
516 | if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR)) | |
517 | { | |
518 | unsigned HOST_WIDE_INT length = bp_unpack_var_len_unsigned (bp); | |
519 | if (length > 0) | |
9771b263 | 520 | vec_safe_grow (CONSTRUCTOR_ELTS (expr), length); |
0127aae4 | 521 | } |
c193f58b | 522 | |
54e774c0 JH |
523 | if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION)) |
524 | cl_target_option_stream_in (data_in, bp, TREE_TARGET_OPTION (expr)); | |
525 | ||
c193f58b JJ |
526 | if (code == OMP_CLAUSE) |
527 | unpack_ts_omp_clause_value_fields (data_in, bp, expr); | |
b9393656 DN |
528 | } |
529 | ||
530 | ||
531 | /* Read all the language-independent bitfield values for EXPR from IB. | |
532 | Return the partially unpacked bitpack so the caller can unpack any other | |
533 | bitfield values that the writer may have written. */ | |
f0efc7aa | 534 | |
b9393656 | 535 | struct bitpack_d |
7cb7d208 RB |
536 | streamer_read_tree_bitfields (struct lto_input_block *ib, |
537 | struct data_in *data_in, tree expr) | |
b9393656 DN |
538 | { |
539 | enum tree_code code; | |
540 | struct bitpack_d bp; | |
541 | ||
542 | /* Read the bitpack of non-pointer values from IB. */ | |
412288f1 | 543 | bp = streamer_read_bitpack (ib); |
b9393656 DN |
544 | |
545 | /* The first word in BP contains the code of the tree that we | |
546 | are about to read. */ | |
547 | code = (enum tree_code) bp_unpack_value (&bp, 16); | |
548 | lto_tag_check (lto_tree_code_to_tag (code), | |
549 | lto_tree_code_to_tag (TREE_CODE (expr))); | |
550 | ||
551 | /* Unpack all the value fields from BP. */ | |
7cb7d208 | 552 | unpack_value_fields (data_in, &bp, expr); |
b9393656 DN |
553 | |
554 | return bp; | |
f0efc7aa DN |
555 | } |
556 | ||
557 | ||
558 | /* Materialize a new tree from input block IB using descriptors in | |
559 | DATA_IN. The code for the new tree should match TAG. Store in | |
560 | *IX_P the index into the reader cache where the new tree is stored. */ | |
561 | ||
b9393656 | 562 | tree |
412288f1 DN |
563 | streamer_alloc_tree (struct lto_input_block *ib, struct data_in *data_in, |
564 | enum LTO_tags tag) | |
f0efc7aa | 565 | { |
f0efc7aa DN |
566 | enum tree_code code; |
567 | tree result; | |
568 | #ifdef LTO_STREAMER_DEBUG | |
a9243bfc | 569 | HOST_WIDE_INT orig_address_in_writer; |
f0efc7aa DN |
570 | #endif |
571 | ||
572 | result = NULL_TREE; | |
573 | ||
574 | #ifdef LTO_STREAMER_DEBUG | |
575 | /* Read the word representing the memory address for the tree | |
576 | as it was written by the writer. This is useful when | |
577 | debugging differences between the writer and reader. */ | |
412288f1 | 578 | orig_address_in_writer = streamer_read_hwi (ib); |
f0efc7aa DN |
579 | gcc_assert ((intptr_t) orig_address_in_writer == orig_address_in_writer); |
580 | #endif | |
581 | ||
582 | code = lto_tag_to_tree_code (tag); | |
583 | ||
584 | /* We should never see an SSA_NAME tree. Only the version numbers of | |
585 | SSA names are ever written out. See input_ssa_names. */ | |
586 | gcc_assert (code != SSA_NAME); | |
587 | ||
588 | /* Instantiate a new tree using the header data. */ | |
589 | if (CODE_CONTAINS_STRUCT (code, TS_STRING)) | |
412288f1 | 590 | result = streamer_read_string_cst (data_in, ib); |
f0efc7aa DN |
591 | else if (CODE_CONTAINS_STRUCT (code, TS_IDENTIFIER)) |
592 | result = input_identifier (data_in, ib); | |
593 | else if (CODE_CONTAINS_STRUCT (code, TS_VEC)) | |
594 | { | |
412288f1 | 595 | HOST_WIDE_INT len = streamer_read_hwi (ib); |
f0efc7aa DN |
596 | result = make_tree_vec (len); |
597 | } | |
d2a12ae7 RG |
598 | else if (CODE_CONTAINS_STRUCT (code, TS_VECTOR)) |
599 | { | |
600 | HOST_WIDE_INT len = streamer_read_hwi (ib); | |
ac9a074c | 601 | result = make_vector (len); |
d2a12ae7 | 602 | } |
f0efc7aa DN |
603 | else if (CODE_CONTAINS_STRUCT (code, TS_BINFO)) |
604 | { | |
412288f1 | 605 | unsigned HOST_WIDE_INT len = streamer_read_uhwi (ib); |
f0efc7aa DN |
606 | result = make_tree_binfo (len); |
607 | } | |
807e902e KZ |
608 | else if (CODE_CONTAINS_STRUCT (code, TS_INT_CST)) |
609 | { | |
610 | unsigned HOST_WIDE_INT len = streamer_read_uhwi (ib); | |
611 | unsigned HOST_WIDE_INT ext_len = streamer_read_uhwi (ib); | |
612 | result = make_int_cst (len, ext_len); | |
613 | } | |
b9393656 DN |
614 | else if (code == CALL_EXPR) |
615 | { | |
412288f1 | 616 | unsigned HOST_WIDE_INT nargs = streamer_read_uhwi (ib); |
b9393656 DN |
617 | return build_vl_exp (CALL_EXPR, nargs + 3); |
618 | } | |
c193f58b JJ |
619 | else if (code == OMP_CLAUSE) |
620 | { | |
621 | enum omp_clause_code subcode | |
622 | = (enum omp_clause_code) streamer_read_uhwi (ib); | |
623 | return build_omp_clause (UNKNOWN_LOCATION, subcode); | |
624 | } | |
f0efc7aa DN |
625 | else |
626 | { | |
b9393656 | 627 | /* For all other nodes, materialize the tree with a raw |
f0efc7aa | 628 | make_node call. */ |
b9393656 | 629 | result = make_node (code); |
f0efc7aa DN |
630 | } |
631 | ||
632 | #ifdef LTO_STREAMER_DEBUG | |
633 | /* Store the original address of the tree as seen by the writer | |
634 | in RESULT's aux field. This is useful when debugging streaming | |
635 | problems. This way, a debugging session can be started on | |
636 | both writer and reader with a breakpoint using this address | |
637 | value in both. */ | |
638 | lto_orig_address_map (result, (intptr_t) orig_address_in_writer); | |
639 | #endif | |
640 | ||
f0efc7aa DN |
641 | return result; |
642 | } | |
643 | ||
644 | ||
645 | /* Read all pointer fields in the TS_COMMON structure of EXPR from input | |
646 | block IB. DATA_IN contains tables and descriptors for the | |
647 | file being read. */ | |
648 | ||
649 | ||
650 | static void | |
651 | lto_input_ts_common_tree_pointers (struct lto_input_block *ib, | |
652 | struct data_in *data_in, tree expr) | |
653 | { | |
654 | if (TREE_CODE (expr) != IDENTIFIER_NODE) | |
b9393656 | 655 | TREE_TYPE (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
656 | } |
657 | ||
658 | ||
659 | /* Read all pointer fields in the TS_VECTOR structure of EXPR from input | |
660 | block IB. DATA_IN contains tables and descriptors for the | |
661 | file being read. */ | |
662 | ||
663 | static void | |
664 | lto_input_ts_vector_tree_pointers (struct lto_input_block *ib, | |
665 | struct data_in *data_in, tree expr) | |
666 | { | |
d2a12ae7 RG |
667 | unsigned i; |
668 | for (i = 0; i < VECTOR_CST_NELTS (expr); ++i) | |
669 | VECTOR_CST_ELT (expr, i) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
670 | } |
671 | ||
672 | ||
673 | /* Read all pointer fields in the TS_COMPLEX structure of EXPR from input | |
674 | block IB. DATA_IN contains tables and descriptors for the | |
675 | file being read. */ | |
676 | ||
677 | static void | |
678 | lto_input_ts_complex_tree_pointers (struct lto_input_block *ib, | |
679 | struct data_in *data_in, tree expr) | |
680 | { | |
b9393656 DN |
681 | TREE_REALPART (expr) = stream_read_tree (ib, data_in); |
682 | TREE_IMAGPART (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
683 | } |
684 | ||
685 | ||
686 | /* Read all pointer fields in the TS_DECL_MINIMAL structure of EXPR | |
687 | from input block IB. DATA_IN contains tables and descriptors for the | |
688 | file being read. */ | |
689 | ||
690 | static void | |
691 | lto_input_ts_decl_minimal_tree_pointers (struct lto_input_block *ib, | |
692 | struct data_in *data_in, tree expr) | |
693 | { | |
b9393656 DN |
694 | DECL_NAME (expr) = stream_read_tree (ib, data_in); |
695 | DECL_CONTEXT (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
696 | } |
697 | ||
698 | ||
699 | /* Read all pointer fields in the TS_DECL_COMMON structure of EXPR from | |
700 | input block IB. DATA_IN contains tables and descriptors for the | |
701 | file being read. */ | |
702 | ||
703 | static void | |
704 | lto_input_ts_decl_common_tree_pointers (struct lto_input_block *ib, | |
705 | struct data_in *data_in, tree expr) | |
706 | { | |
b9393656 DN |
707 | DECL_SIZE (expr) = stream_read_tree (ib, data_in); |
708 | DECL_SIZE_UNIT (expr) = stream_read_tree (ib, data_in); | |
709 | DECL_ATTRIBUTES (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
710 | |
711 | /* Do not stream DECL_ABSTRACT_ORIGIN. We cannot handle debug information | |
712 | for early inlining so drop it on the floor instead of ICEing in | |
713 | dwarf2out.c. */ | |
714 | ||
f0efc7aa DN |
715 | if ((TREE_CODE (expr) == VAR_DECL |
716 | || TREE_CODE (expr) == PARM_DECL) | |
717 | && DECL_HAS_VALUE_EXPR_P (expr)) | |
b9393656 | 718 | SET_DECL_VALUE_EXPR (expr, stream_read_tree (ib, data_in)); |
f0efc7aa DN |
719 | |
720 | if (TREE_CODE (expr) == VAR_DECL) | |
721 | { | |
b9393656 | 722 | tree dexpr = stream_read_tree (ib, data_in); |
f0efc7aa DN |
723 | if (dexpr) |
724 | SET_DECL_DEBUG_EXPR (expr, dexpr); | |
725 | } | |
726 | } | |
727 | ||
728 | ||
729 | /* Read all pointer fields in the TS_DECL_NON_COMMON structure of | |
730 | EXPR from input block IB. DATA_IN contains tables and descriptors for the | |
731 | file being read. */ | |
732 | ||
733 | static void | |
734 | lto_input_ts_decl_non_common_tree_pointers (struct lto_input_block *ib, | |
735 | struct data_in *data_in, tree expr) | |
736 | { | |
815effe1 | 737 | if (TREE_CODE (expr) == TYPE_DECL) |
ea973bad | 738 | DECL_ORIGINAL_TYPE (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
739 | } |
740 | ||
741 | ||
742 | /* Read all pointer fields in the TS_DECL_WITH_VIS structure of EXPR | |
743 | from input block IB. DATA_IN contains tables and descriptors for the | |
744 | file being read. */ | |
745 | ||
746 | static void | |
747 | lto_input_ts_decl_with_vis_tree_pointers (struct lto_input_block *ib, | |
748 | struct data_in *data_in, tree expr) | |
749 | { | |
750 | tree id; | |
751 | ||
b9393656 | 752 | id = stream_read_tree (ib, data_in); |
f0efc7aa DN |
753 | if (id) |
754 | { | |
755 | gcc_assert (TREE_CODE (id) == IDENTIFIER_NODE); | |
756 | SET_DECL_ASSEMBLER_NAME (expr, id); | |
757 | } | |
f0efc7aa DN |
758 | } |
759 | ||
760 | ||
761 | /* Read all pointer fields in the TS_FIELD_DECL structure of EXPR from | |
762 | input block IB. DATA_IN contains tables and descriptors for the | |
763 | file being read. */ | |
764 | ||
765 | static void | |
766 | lto_input_ts_field_decl_tree_pointers (struct lto_input_block *ib, | |
767 | struct data_in *data_in, tree expr) | |
768 | { | |
b9393656 DN |
769 | DECL_FIELD_OFFSET (expr) = stream_read_tree (ib, data_in); |
770 | DECL_BIT_FIELD_TYPE (expr) = stream_read_tree (ib, data_in); | |
26c71b93 | 771 | DECL_BIT_FIELD_REPRESENTATIVE (expr) = stream_read_tree (ib, data_in); |
b9393656 DN |
772 | DECL_FIELD_BIT_OFFSET (expr) = stream_read_tree (ib, data_in); |
773 | DECL_FCONTEXT (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
774 | } |
775 | ||
776 | ||
777 | /* Read all pointer fields in the TS_FUNCTION_DECL structure of EXPR | |
778 | from input block IB. DATA_IN contains tables and descriptors for the | |
779 | file being read. */ | |
780 | ||
781 | static void | |
782 | lto_input_ts_function_decl_tree_pointers (struct lto_input_block *ib, | |
783 | struct data_in *data_in, tree expr) | |
784 | { | |
aaf8a23e JH |
785 | DECL_VINDEX (expr) = stream_read_tree (ib, data_in); |
786 | /* DECL_STRUCT_FUNCTION is loaded on demand by cgraph_get_body. */ | |
b9393656 | 787 | DECL_FUNCTION_PERSONALITY (expr) = stream_read_tree (ib, data_in); |
61204ad9 | 788 | DECL_FUNCTION_SPECIFIC_TARGET (expr) = stream_read_tree (ib, data_in); |
b9393656 | 789 | DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
790 | |
791 | /* If the file contains a function with an EH personality set, | |
792 | then it was compiled with -fexceptions. In that case, initialize | |
793 | the backend EH machinery. */ | |
794 | if (DECL_FUNCTION_PERSONALITY (expr)) | |
795 | lto_init_eh (); | |
796 | } | |
797 | ||
798 | ||
799 | /* Read all pointer fields in the TS_TYPE_COMMON structure of EXPR from | |
800 | input block IB. DATA_IN contains tables and descriptors for the file | |
801 | being read. */ | |
802 | ||
803 | static void | |
804 | lto_input_ts_type_common_tree_pointers (struct lto_input_block *ib, | |
805 | struct data_in *data_in, tree expr) | |
806 | { | |
010f4e27 JH |
807 | TYPE_SIZE (expr) = stream_read_tree (ib, data_in); |
808 | TYPE_SIZE_UNIT (expr) = stream_read_tree (ib, data_in); | |
809 | TYPE_ATTRIBUTES (expr) = stream_read_tree (ib, data_in); | |
b9393656 | 810 | TYPE_NAME (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
811 | /* Do not stream TYPE_POINTER_TO or TYPE_REFERENCE_TO. They will be |
812 | reconstructed during fixup. */ | |
813 | /* Do not stream TYPE_NEXT_VARIANT, we reconstruct the variant lists | |
814 | during fixup. */ | |
010f4e27 JH |
815 | TYPE_MAIN_VARIANT (expr) = stream_read_tree (ib, data_in); |
816 | TYPE_CONTEXT (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
817 | /* TYPE_CANONICAL gets re-computed during type merging. */ |
818 | TYPE_CANONICAL (expr) = NULL_TREE; | |
010f4e27 | 819 | TYPE_STUB_DECL (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
820 | } |
821 | ||
822 | /* Read all pointer fields in the TS_TYPE_NON_COMMON structure of EXPR | |
823 | from input block IB. DATA_IN contains tables and descriptors for the | |
824 | file being read. */ | |
825 | ||
826 | static void | |
827 | lto_input_ts_type_non_common_tree_pointers (struct lto_input_block *ib, | |
828 | struct data_in *data_in, | |
829 | tree expr) | |
830 | { | |
010f4e27 JH |
831 | if (TREE_CODE (expr) == ENUMERAL_TYPE) |
832 | TYPE_VALUES (expr) = stream_read_tree (ib, data_in); | |
833 | else if (TREE_CODE (expr) == ARRAY_TYPE) | |
834 | TYPE_DOMAIN (expr) = stream_read_tree (ib, data_in); | |
835 | else if (RECORD_OR_UNION_TYPE_P (expr)) | |
4acd1c84 | 836 | TYPE_FIELDS (expr) = streamer_read_chain (ib, data_in); |
f0efc7aa | 837 | else if (TREE_CODE (expr) == FUNCTION_TYPE |
010f4e27 | 838 | || TREE_CODE (expr) == METHOD_TYPE) |
b9393656 | 839 | TYPE_ARG_TYPES (expr) = stream_read_tree (ib, data_in); |
010f4e27 JH |
840 | |
841 | if (!POINTER_TYPE_P (expr)) | |
842 | TYPE_MINVAL (expr) = stream_read_tree (ib, data_in); | |
843 | TYPE_MAXVAL (expr) = stream_read_tree (ib, data_in); | |
844 | if (RECORD_OR_UNION_TYPE_P (expr)) | |
845 | TYPE_BINFO (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
846 | } |
847 | ||
848 | ||
849 | /* Read all pointer fields in the TS_LIST structure of EXPR from input | |
850 | block IB. DATA_IN contains tables and descriptors for the | |
851 | file being read. */ | |
852 | ||
853 | static void | |
854 | lto_input_ts_list_tree_pointers (struct lto_input_block *ib, | |
855 | struct data_in *data_in, tree expr) | |
856 | { | |
b9393656 DN |
857 | TREE_PURPOSE (expr) = stream_read_tree (ib, data_in); |
858 | TREE_VALUE (expr) = stream_read_tree (ib, data_in); | |
ee03e71d | 859 | TREE_CHAIN (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
860 | } |
861 | ||
862 | ||
863 | /* Read all pointer fields in the TS_VEC structure of EXPR from input | |
864 | block IB. DATA_IN contains tables and descriptors for the | |
865 | file being read. */ | |
866 | ||
867 | static void | |
868 | lto_input_ts_vec_tree_pointers (struct lto_input_block *ib, | |
869 | struct data_in *data_in, tree expr) | |
870 | { | |
871 | int i; | |
872 | ||
412288f1 | 873 | /* Note that TREE_VEC_LENGTH was read by streamer_alloc_tree to |
f0efc7aa DN |
874 | instantiate EXPR. */ |
875 | for (i = 0; i < TREE_VEC_LENGTH (expr); i++) | |
b9393656 | 876 | TREE_VEC_ELT (expr, i) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
877 | } |
878 | ||
879 | ||
880 | /* Read all pointer fields in the TS_EXP structure of EXPR from input | |
881 | block IB. DATA_IN contains tables and descriptors for the | |
882 | file being read. */ | |
883 | ||
884 | ||
885 | static void | |
886 | lto_input_ts_exp_tree_pointers (struct lto_input_block *ib, | |
887 | struct data_in *data_in, tree expr) | |
888 | { | |
0127aae4 | 889 | int i; |
f0efc7aa | 890 | |
0127aae4 | 891 | for (i = 0; i < TREE_OPERAND_LENGTH (expr); i++) |
b9393656 | 892 | TREE_OPERAND (expr, i) = stream_read_tree (ib, data_in); |
f0efc7aa | 893 | |
5368224f | 894 | TREE_SET_BLOCK (expr, stream_read_tree (ib, data_in)); |
f0efc7aa DN |
895 | } |
896 | ||
897 | ||
898 | /* Read all pointer fields in the TS_BLOCK structure of EXPR from input | |
899 | block IB. DATA_IN contains tables and descriptors for the | |
900 | file being read. */ | |
901 | ||
902 | static void | |
903 | lto_input_ts_block_tree_pointers (struct lto_input_block *ib, | |
904 | struct data_in *data_in, tree expr) | |
905 | { | |
412288f1 | 906 | BLOCK_VARS (expr) = streamer_read_chain (ib, data_in); |
f0efc7aa | 907 | |
b9393656 | 908 | BLOCK_SUPERCONTEXT (expr) = stream_read_tree (ib, data_in); |
f0efc7aa | 909 | |
5c1eb617 RG |
910 | /* Stream BLOCK_ABSTRACT_ORIGIN and BLOCK_SOURCE_LOCATION for |
911 | the limited cases we can handle - those that represent inlined | |
912 | function scopes. For the rest them on the floor instead of ICEing in | |
f0efc7aa | 913 | dwarf2out.c. */ |
5c1eb617 | 914 | BLOCK_ABSTRACT_ORIGIN (expr) = stream_read_tree (ib, data_in); |
5c1eb617 RG |
915 | /* Do not stream BLOCK_NONLOCALIZED_VARS. We cannot handle debug information |
916 | for early inlined BLOCKs so drop it on the floor instead of ICEing in | |
917 | dwarf2out.c. */ | |
918 | ||
919 | /* BLOCK_FRAGMENT_ORIGIN and BLOCK_FRAGMENT_CHAIN is not live at LTO | |
920 | streaming time. */ | |
f0efc7aa DN |
921 | |
922 | /* We re-compute BLOCK_SUBBLOCKS of our parent here instead | |
923 | of streaming it. For non-BLOCK BLOCK_SUPERCONTEXTs we still | |
924 | stream the child relationship explicitly. */ | |
925 | if (BLOCK_SUPERCONTEXT (expr) | |
926 | && TREE_CODE (BLOCK_SUPERCONTEXT (expr)) == BLOCK) | |
927 | { | |
928 | BLOCK_CHAIN (expr) = BLOCK_SUBBLOCKS (BLOCK_SUPERCONTEXT (expr)); | |
929 | BLOCK_SUBBLOCKS (BLOCK_SUPERCONTEXT (expr)) = expr; | |
930 | } | |
931 | ||
932 | /* The global block is rooted at the TU decl. Hook it here to | |
933 | avoid the need to stream in this block during WPA time. */ | |
934 | else if (BLOCK_SUPERCONTEXT (expr) | |
935 | && TREE_CODE (BLOCK_SUPERCONTEXT (expr)) == TRANSLATION_UNIT_DECL) | |
936 | DECL_INITIAL (BLOCK_SUPERCONTEXT (expr)) = expr; | |
937 | ||
938 | /* The function-level block is connected at the time we read in | |
939 | function bodies for the same reason. */ | |
940 | } | |
941 | ||
942 | ||
943 | /* Read all pointer fields in the TS_BINFO structure of EXPR from input | |
944 | block IB. DATA_IN contains tables and descriptors for the | |
945 | file being read. */ | |
946 | ||
947 | static void | |
948 | lto_input_ts_binfo_tree_pointers (struct lto_input_block *ib, | |
949 | struct data_in *data_in, tree expr) | |
950 | { | |
0127aae4 | 951 | unsigned i; |
f0efc7aa DN |
952 | tree t; |
953 | ||
954 | /* Note that the number of slots in EXPR was read in | |
412288f1 | 955 | streamer_alloc_tree when instantiating EXPR. However, the |
9771b263 | 956 | vector is empty so we cannot rely on vec::length to know how many |
f0efc7aa DN |
957 | elements to read. So, this list is emitted as a 0-terminated |
958 | list on the writer side. */ | |
959 | do | |
960 | { | |
b9393656 | 961 | t = stream_read_tree (ib, data_in); |
f0efc7aa | 962 | if (t) |
9771b263 | 963 | BINFO_BASE_BINFOS (expr)->quick_push (t); |
f0efc7aa DN |
964 | } |
965 | while (t); | |
966 | ||
b9393656 DN |
967 | BINFO_OFFSET (expr) = stream_read_tree (ib, data_in); |
968 | BINFO_VTABLE (expr) = stream_read_tree (ib, data_in); | |
b9393656 | 969 | BINFO_VPTR_FIELD (expr) = stream_read_tree (ib, data_in); |
f0efc7aa | 970 | |
0127aae4 RG |
971 | /* The vector of BINFO_BASE_ACCESSES is pre-allocated during |
972 | unpacking the bitfield section. */ | |
9771b263 | 973 | for (i = 0; i < vec_safe_length (BINFO_BASE_ACCESSES (expr)); i++) |
f0efc7aa | 974 | { |
0127aae4 | 975 | tree a = stream_read_tree (ib, data_in); |
9771b263 | 976 | (*BINFO_BASE_ACCESSES (expr))[i] = a; |
f0efc7aa | 977 | } |
184799e7 JH |
978 | /* Do not walk BINFO_INHERITANCE_CHAIN, BINFO_SUBVTT_INDEX |
979 | and BINFO_VPTR_INDEX; these are used by C++ FE only. */ | |
f0efc7aa DN |
980 | } |
981 | ||
982 | ||
983 | /* Read all pointer fields in the TS_CONSTRUCTOR structure of EXPR from | |
984 | input block IB. DATA_IN contains tables and descriptors for the | |
985 | file being read. */ | |
986 | ||
987 | static void | |
988 | lto_input_ts_constructor_tree_pointers (struct lto_input_block *ib, | |
989 | struct data_in *data_in, tree expr) | |
990 | { | |
0127aae4 | 991 | unsigned i; |
f0efc7aa | 992 | |
0127aae4 | 993 | for (i = 0; i < CONSTRUCTOR_NELTS (expr); i++) |
f0efc7aa | 994 | { |
0127aae4 RG |
995 | constructor_elt e; |
996 | e.index = stream_read_tree (ib, data_in); | |
997 | e.value = stream_read_tree (ib, data_in); | |
9771b263 | 998 | (*CONSTRUCTOR_ELTS (expr))[i] = e; |
f0efc7aa DN |
999 | } |
1000 | } | |
1001 | ||
1002 | ||
c193f58b JJ |
1003 | /* Read all pointer fields in the TS_OMP_CLAUSE structure of EXPR from |
1004 | input block IB. DATA_IN contains tables and descriptors for the | |
1005 | file being read. */ | |
1006 | ||
1007 | static void | |
1008 | lto_input_ts_omp_clause_tree_pointers (struct lto_input_block *ib, | |
1009 | struct data_in *data_in, tree expr) | |
1010 | { | |
1011 | int i; | |
1012 | ||
1013 | for (i = 0; i < omp_clause_num_ops[OMP_CLAUSE_CODE (expr)]; i++) | |
1014 | OMP_CLAUSE_OPERAND (expr, i) = stream_read_tree (ib, data_in); | |
1015 | OMP_CLAUSE_CHAIN (expr) = stream_read_tree (ib, data_in); | |
1016 | } | |
1017 | ||
1018 | ||
b9393656 DN |
1019 | /* Read all pointer fields in EXPR from input block IB. DATA_IN |
1020 | contains tables and descriptors for the file being read. */ | |
f0efc7aa | 1021 | |
b9393656 | 1022 | void |
412288f1 | 1023 | streamer_read_tree_body (struct lto_input_block *ib, struct data_in *data_in, |
f0efc7aa DN |
1024 | tree expr) |
1025 | { | |
1026 | enum tree_code code; | |
1027 | ||
1028 | code = TREE_CODE (expr); | |
1029 | ||
1030 | if (CODE_CONTAINS_STRUCT (code, TS_TYPED)) | |
1031 | lto_input_ts_common_tree_pointers (ib, data_in, expr); | |
1032 | ||
1033 | if (CODE_CONTAINS_STRUCT (code, TS_VECTOR)) | |
1034 | lto_input_ts_vector_tree_pointers (ib, data_in, expr); | |
1035 | ||
1036 | if (CODE_CONTAINS_STRUCT (code, TS_COMPLEX)) | |
1037 | lto_input_ts_complex_tree_pointers (ib, data_in, expr); | |
1038 | ||
1039 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL)) | |
1040 | lto_input_ts_decl_minimal_tree_pointers (ib, data_in, expr); | |
1041 | ||
1042 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON)) | |
1043 | lto_input_ts_decl_common_tree_pointers (ib, data_in, expr); | |
1044 | ||
1045 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_NON_COMMON)) | |
1046 | lto_input_ts_decl_non_common_tree_pointers (ib, data_in, expr); | |
1047 | ||
1048 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS)) | |
1049 | lto_input_ts_decl_with_vis_tree_pointers (ib, data_in, expr); | |
1050 | ||
1051 | if (CODE_CONTAINS_STRUCT (code, TS_FIELD_DECL)) | |
1052 | lto_input_ts_field_decl_tree_pointers (ib, data_in, expr); | |
1053 | ||
1054 | if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL)) | |
1055 | lto_input_ts_function_decl_tree_pointers (ib, data_in, expr); | |
1056 | ||
1057 | if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON)) | |
1058 | lto_input_ts_type_common_tree_pointers (ib, data_in, expr); | |
1059 | ||
1060 | if (CODE_CONTAINS_STRUCT (code, TS_TYPE_NON_COMMON)) | |
1061 | lto_input_ts_type_non_common_tree_pointers (ib, data_in, expr); | |
1062 | ||
1063 | if (CODE_CONTAINS_STRUCT (code, TS_LIST)) | |
1064 | lto_input_ts_list_tree_pointers (ib, data_in, expr); | |
1065 | ||
1066 | if (CODE_CONTAINS_STRUCT (code, TS_VEC)) | |
1067 | lto_input_ts_vec_tree_pointers (ib, data_in, expr); | |
1068 | ||
1069 | if (CODE_CONTAINS_STRUCT (code, TS_EXP)) | |
1070 | lto_input_ts_exp_tree_pointers (ib, data_in, expr); | |
1071 | ||
1072 | if (CODE_CONTAINS_STRUCT (code, TS_BLOCK)) | |
1073 | lto_input_ts_block_tree_pointers (ib, data_in, expr); | |
1074 | ||
1075 | if (CODE_CONTAINS_STRUCT (code, TS_BINFO)) | |
1076 | lto_input_ts_binfo_tree_pointers (ib, data_in, expr); | |
1077 | ||
1078 | if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR)) | |
1079 | lto_input_ts_constructor_tree_pointers (ib, data_in, expr); | |
c193f58b JJ |
1080 | |
1081 | if (code == OMP_CLAUSE) | |
1082 | lto_input_ts_omp_clause_tree_pointers (ib, data_in, expr); | |
f0efc7aa DN |
1083 | } |
1084 | ||
1085 | ||
f0efc7aa DN |
1086 | /* Read an index IX from input block IB and return the tree node at |
1087 | DATA_IN->FILE_DATA->GLOBALS_INDEX[IX]. */ | |
1088 | ||
b9393656 | 1089 | tree |
412288f1 | 1090 | streamer_get_pickled_tree (struct lto_input_block *ib, struct data_in *data_in) |
f0efc7aa DN |
1091 | { |
1092 | unsigned HOST_WIDE_INT ix; | |
1093 | tree result; | |
1094 | enum LTO_tags expected_tag; | |
1095 | ||
412288f1 DN |
1096 | ix = streamer_read_uhwi (ib); |
1097 | expected_tag = streamer_read_enum (ib, LTO_tags, LTO_NUM_TAGS); | |
f0efc7aa | 1098 | |
ee03e71d | 1099 | result = streamer_tree_cache_get_tree (data_in->reader_cache, ix); |
f0efc7aa DN |
1100 | gcc_assert (result |
1101 | && TREE_CODE (result) == lto_tag_to_tree_code (expected_tag)); | |
1102 | ||
1103 | return result; | |
1104 | } | |
1105 | ||
1106 | ||
1107 | /* Read a code and class from input block IB and return the | |
b9393656 | 1108 | corresponding builtin. DATA_IN is as in stream_read_tree. */ |
f0efc7aa | 1109 | |
b9393656 | 1110 | tree |
412288f1 | 1111 | streamer_get_builtin_tree (struct lto_input_block *ib, struct data_in *data_in) |
f0efc7aa DN |
1112 | { |
1113 | enum built_in_class fclass; | |
1114 | enum built_in_function fcode; | |
1115 | const char *asmname; | |
1116 | tree result; | |
1117 | ||
412288f1 | 1118 | fclass = streamer_read_enum (ib, built_in_class, BUILT_IN_LAST); |
f0efc7aa DN |
1119 | gcc_assert (fclass == BUILT_IN_NORMAL || fclass == BUILT_IN_MD); |
1120 | ||
412288f1 | 1121 | fcode = (enum built_in_function) streamer_read_uhwi (ib); |
f0efc7aa DN |
1122 | |
1123 | if (fclass == BUILT_IN_NORMAL) | |
1124 | { | |
1125 | if (fcode >= END_BUILTINS) | |
1126 | fatal_error ("machine independent builtin code out of range"); | |
e79983f4 | 1127 | result = builtin_decl_explicit (fcode); |
edcf72f3 IE |
1128 | if (!result |
1129 | && fcode > BEGIN_CHKP_BUILTINS | |
1130 | && fcode < END_CHKP_BUILTINS) | |
1131 | { | |
1132 | fcode = (enum built_in_function) (fcode - BEGIN_CHKP_BUILTINS - 1); | |
1133 | result = builtin_decl_explicit (fcode); | |
1134 | result = chkp_maybe_clone_builtin_fndecl (result); | |
1135 | } | |
f0efc7aa DN |
1136 | gcc_assert (result); |
1137 | } | |
1138 | else if (fclass == BUILT_IN_MD) | |
1139 | { | |
1140 | result = targetm.builtin_decl (fcode, true); | |
1141 | if (!result || result == error_mark_node) | |
1142 | fatal_error ("target specific builtin not available"); | |
1143 | } | |
1144 | else | |
1145 | gcc_unreachable (); | |
1146 | ||
412288f1 | 1147 | asmname = streamer_read_string (data_in, ib); |
f0efc7aa DN |
1148 | if (asmname) |
1149 | set_builtin_user_assembler_name (result, asmname); | |
1150 | ||
ee03e71d | 1151 | streamer_tree_cache_append (data_in->reader_cache, result, 0); |
f0efc7aa DN |
1152 | |
1153 | return result; | |
1154 | } |