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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" | |
c7131fb2 | 25 | #include "backend.h" |
957060b5 | 26 | #include "target.h" |
f0efc7aa | 27 | #include "tree.h" |
c7131fb2 | 28 | #include "gimple.h" |
d8a2d370 | 29 | #include "stringpool.h" |
f0efc7aa | 30 | #include "tree-streamer.h" |
957060b5 | 31 | #include "cgraph.h" |
9b2b7279 | 32 | #include "builtins.h" |
edcf72f3 | 33 | #include "ipa-chkp.h" |
41dbbb37 TS |
34 | #include "gomp-constants.h" |
35 | ||
f0efc7aa DN |
36 | |
37 | /* Read a STRING_CST from the string table in DATA_IN using input | |
38 | block IB. */ | |
39 | ||
40 | tree | |
412288f1 | 41 | streamer_read_string_cst (struct data_in *data_in, struct lto_input_block *ib) |
f0efc7aa DN |
42 | { |
43 | unsigned int len; | |
44 | const char * ptr; | |
45 | ||
412288f1 | 46 | ptr = streamer_read_indexed_string (data_in, ib, &len); |
f0efc7aa DN |
47 | if (!ptr) |
48 | return NULL; | |
49 | return build_string (len, ptr); | |
50 | } | |
51 | ||
52 | ||
53 | /* Read an IDENTIFIER from the string table in DATA_IN using input | |
54 | block IB. */ | |
55 | ||
56 | static tree | |
57 | input_identifier (struct data_in *data_in, struct lto_input_block *ib) | |
58 | { | |
59 | unsigned int len; | |
60 | const char *ptr; | |
61 | ||
412288f1 | 62 | ptr = streamer_read_indexed_string (data_in, ib, &len); |
f0efc7aa DN |
63 | if (!ptr) |
64 | return NULL; | |
65 | return get_identifier_with_length (ptr, len); | |
66 | } | |
67 | ||
68 | ||
69 | /* Read a chain of tree nodes from input block IB. DATA_IN contains | |
70 | tables and descriptors for the file being read. */ | |
71 | ||
412288f1 DN |
72 | tree |
73 | streamer_read_chain (struct lto_input_block *ib, struct data_in *data_in) | |
f0efc7aa | 74 | { |
f0efc7aa DN |
75 | tree first, prev, curr; |
76 | ||
0127aae4 | 77 | /* The chain is written as NULL terminated list of trees. */ |
f0efc7aa | 78 | first = prev = NULL_TREE; |
0127aae4 | 79 | do |
f0efc7aa | 80 | { |
b9393656 | 81 | curr = stream_read_tree (ib, data_in); |
f0efc7aa DN |
82 | if (prev) |
83 | TREE_CHAIN (prev) = curr; | |
84 | else | |
85 | first = curr; | |
86 | ||
f0efc7aa DN |
87 | prev = curr; |
88 | } | |
0127aae4 | 89 | while (curr); |
f0efc7aa DN |
90 | |
91 | return first; | |
92 | } | |
93 | ||
94 | ||
95 | /* Unpack all the non-pointer fields of the TS_BASE structure of | |
96 | expression EXPR from bitpack BP. */ | |
97 | ||
b6bf201e | 98 | static inline void |
f0efc7aa DN |
99 | unpack_ts_base_value_fields (struct bitpack_d *bp, tree expr) |
100 | { | |
101 | /* Note that the code for EXPR has already been unpacked to create EXPR in | |
412288f1 | 102 | streamer_alloc_tree. */ |
f0efc7aa DN |
103 | if (!TYPE_P (expr)) |
104 | { | |
105 | TREE_SIDE_EFFECTS (expr) = (unsigned) bp_unpack_value (bp, 1); | |
106 | TREE_CONSTANT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
107 | TREE_READONLY (expr) = (unsigned) bp_unpack_value (bp, 1); | |
108 | ||
109 | /* TREE_PUBLIC is used on types to indicate that the type | |
110 | has a TYPE_CACHED_VALUES vector. This is not streamed out, | |
111 | so we skip it here. */ | |
112 | TREE_PUBLIC (expr) = (unsigned) bp_unpack_value (bp, 1); | |
113 | } | |
114 | else | |
115 | bp_unpack_value (bp, 4); | |
116 | TREE_ADDRESSABLE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
117 | TREE_THIS_VOLATILE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
118 | if (DECL_P (expr)) | |
119 | DECL_UNSIGNED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
120 | else if (TYPE_P (expr)) | |
121 | TYPE_UNSIGNED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
122 | else | |
123 | bp_unpack_value (bp, 1); | |
124 | TREE_ASM_WRITTEN (expr) = (unsigned) bp_unpack_value (bp, 1); | |
125 | if (TYPE_P (expr)) | |
126 | TYPE_ARTIFICIAL (expr) = (unsigned) bp_unpack_value (bp, 1); | |
127 | else | |
128 | TREE_NO_WARNING (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa DN |
129 | TREE_NOTHROW (expr) = (unsigned) bp_unpack_value (bp, 1); |
130 | TREE_STATIC (expr) = (unsigned) bp_unpack_value (bp, 1); | |
ee03e71d RB |
131 | if (TREE_CODE (expr) != TREE_BINFO) |
132 | TREE_PRIVATE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
b6bf201e RB |
133 | else |
134 | bp_unpack_value (bp, 1); | |
f0efc7aa DN |
135 | TREE_PROTECTED (expr) = (unsigned) bp_unpack_value (bp, 1); |
136 | TREE_DEPRECATED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
137 | if (TYPE_P (expr)) | |
875b35b4 DN |
138 | { |
139 | TYPE_SATURATING (expr) = (unsigned) bp_unpack_value (bp, 1); | |
140 | TYPE_ADDR_SPACE (expr) = (unsigned) bp_unpack_value (bp, 8); | |
141 | } | |
f0efc7aa | 142 | else if (TREE_CODE (expr) == SSA_NAME) |
b6bf201e RB |
143 | { |
144 | SSA_NAME_IS_DEFAULT_DEF (expr) = (unsigned) bp_unpack_value (bp, 1); | |
145 | bp_unpack_value (bp, 8); | |
146 | } | |
f0efc7aa | 147 | else |
b6bf201e | 148 | bp_unpack_value (bp, 9); |
f0efc7aa DN |
149 | } |
150 | ||
151 | ||
c61f8c3b RG |
152 | /* Unpack all the non-pointer fields of the TS_INT_CST structure of |
153 | expression EXPR from bitpack BP. */ | |
154 | ||
155 | static void | |
156 | unpack_ts_int_cst_value_fields (struct bitpack_d *bp, tree expr) | |
157 | { | |
807e902e KZ |
158 | int i; |
159 | for (i = 0; i < TREE_INT_CST_EXT_NUNITS (expr); i++) | |
160 | TREE_INT_CST_ELT (expr, i) = bp_unpack_var_len_int (bp); | |
c61f8c3b RG |
161 | } |
162 | ||
163 | ||
f0efc7aa DN |
164 | /* Unpack all the non-pointer fields of the TS_REAL_CST structure of |
165 | expression EXPR from bitpack BP. */ | |
166 | ||
167 | static void | |
168 | unpack_ts_real_cst_value_fields (struct bitpack_d *bp, tree expr) | |
169 | { | |
170 | unsigned i; | |
171 | REAL_VALUE_TYPE r; | |
172 | REAL_VALUE_TYPE *rp; | |
173 | ||
a822564d JJ |
174 | /* Clear all bits of the real value type so that we can later do |
175 | bitwise comparisons to see if two values are the same. */ | |
176 | memset (&r, 0, sizeof r); | |
f0efc7aa DN |
177 | r.cl = (unsigned) bp_unpack_value (bp, 2); |
178 | r.decimal = (unsigned) bp_unpack_value (bp, 1); | |
179 | r.sign = (unsigned) bp_unpack_value (bp, 1); | |
180 | r.signalling = (unsigned) bp_unpack_value (bp, 1); | |
181 | r.canonical = (unsigned) bp_unpack_value (bp, 1); | |
182 | r.uexp = (unsigned) bp_unpack_value (bp, EXP_BITS); | |
183 | for (i = 0; i < SIGSZ; i++) | |
184 | r.sig[i] = (unsigned long) bp_unpack_value (bp, HOST_BITS_PER_LONG); | |
185 | ||
766090c2 | 186 | rp = ggc_alloc<real_value> (); |
f0efc7aa DN |
187 | memcpy (rp, &r, sizeof (REAL_VALUE_TYPE)); |
188 | TREE_REAL_CST_PTR (expr) = rp; | |
189 | } | |
190 | ||
191 | ||
192 | /* Unpack all the non-pointer fields of the TS_FIXED_CST structure of | |
193 | expression EXPR from bitpack BP. */ | |
194 | ||
195 | static void | |
196 | unpack_ts_fixed_cst_value_fields (struct bitpack_d *bp, tree expr) | |
197 | { | |
766090c2 | 198 | FIXED_VALUE_TYPE *fp = ggc_alloc<fixed_value> (); |
db847fa8 | 199 | fp->mode = bp_unpack_machine_mode (bp); |
f57f20bb RG |
200 | fp->data.low = bp_unpack_var_len_int (bp); |
201 | fp->data.high = bp_unpack_var_len_int (bp); | |
202 | TREE_FIXED_CST_PTR (expr) = fp; | |
f0efc7aa DN |
203 | } |
204 | ||
f0efc7aa DN |
205 | /* Unpack all the non-pointer fields of the TS_DECL_COMMON structure |
206 | of expression EXPR from bitpack BP. */ | |
207 | ||
208 | static void | |
209 | unpack_ts_decl_common_value_fields (struct bitpack_d *bp, tree expr) | |
210 | { | |
db847fa8 | 211 | DECL_MODE (expr) = bp_unpack_machine_mode (bp); |
f0efc7aa DN |
212 | DECL_NONLOCAL (expr) = (unsigned) bp_unpack_value (bp, 1); |
213 | DECL_VIRTUAL_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
214 | DECL_IGNORED_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
00de328a | 215 | DECL_ABSTRACT_P (expr) = (unsigned) bp_unpack_value (bp, 1); |
f0efc7aa DN |
216 | DECL_ARTIFICIAL (expr) = (unsigned) bp_unpack_value (bp, 1); |
217 | DECL_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, 1); | |
218 | DECL_PRESERVE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa DN |
219 | DECL_EXTERNAL (expr) = (unsigned) bp_unpack_value (bp, 1); |
220 | DECL_GIMPLE_REG_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
221 | DECL_ALIGN (expr) = (unsigned) bp_unpack_var_len_unsigned (bp); | |
6d2b7199 BS |
222 | #ifdef ACCEL_COMPILER |
223 | if (DECL_ALIGN (expr) > targetm.absolute_biggest_alignment) | |
224 | DECL_ALIGN (expr) = targetm.absolute_biggest_alignment; | |
225 | #endif | |
f0efc7aa DN |
226 | if (TREE_CODE (expr) == LABEL_DECL) |
227 | { | |
f0efc7aa DN |
228 | EH_LANDING_PAD_NR (expr) = (int) bp_unpack_var_len_unsigned (bp); |
229 | ||
230 | /* Always assume an initial value of -1 for LABEL_DECL_UID to | |
231 | force gimple_set_bb to recreate label_to_block_map. */ | |
232 | LABEL_DECL_UID (expr) = -1; | |
233 | } | |
234 | ||
235 | if (TREE_CODE (expr) == FIELD_DECL) | |
236 | { | |
237 | DECL_PACKED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
238 | DECL_NONADDRESSABLE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
239 | expr->decl_common.off_align = bp_unpack_value (bp, 8); | |
240 | } | |
241 | ||
0f1e8842 | 242 | if (TREE_CODE (expr) == VAR_DECL) |
839b422f RB |
243 | { |
244 | DECL_HAS_DEBUG_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
245 | DECL_NONLOCAL_FRAME (expr) = (unsigned) bp_unpack_value (bp, 1); | |
246 | } | |
0f1e8842 | 247 | |
f0efc7aa DN |
248 | if (TREE_CODE (expr) == RESULT_DECL |
249 | || TREE_CODE (expr) == PARM_DECL | |
250 | || TREE_CODE (expr) == VAR_DECL) | |
251 | { | |
252 | DECL_BY_REFERENCE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
253 | if (TREE_CODE (expr) == VAR_DECL | |
254 | || TREE_CODE (expr) == PARM_DECL) | |
255 | DECL_HAS_VALUE_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa DN |
256 | } |
257 | } | |
258 | ||
259 | ||
260 | /* Unpack all the non-pointer fields of the TS_DECL_WRTL structure | |
261 | of expression EXPR from bitpack BP. */ | |
262 | ||
263 | static void | |
264 | unpack_ts_decl_wrtl_value_fields (struct bitpack_d *bp, tree expr) | |
265 | { | |
266 | DECL_REGISTER (expr) = (unsigned) bp_unpack_value (bp, 1); | |
267 | } | |
268 | ||
269 | ||
270 | /* Unpack all the non-pointer fields of the TS_DECL_WITH_VIS structure | |
271 | of expression EXPR from bitpack BP. */ | |
272 | ||
273 | static void | |
274 | unpack_ts_decl_with_vis_value_fields (struct bitpack_d *bp, tree expr) | |
275 | { | |
f0efc7aa DN |
276 | DECL_COMMON (expr) = (unsigned) bp_unpack_value (bp, 1); |
277 | DECL_DLLIMPORT_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
278 | DECL_WEAK (expr) = (unsigned) bp_unpack_value (bp, 1); | |
279 | DECL_SEEN_IN_BIND_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
280 | DECL_COMDAT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
281 | DECL_VISIBILITY (expr) = (enum symbol_visibility) bp_unpack_value (bp, 2); | |
282 | DECL_VISIBILITY_SPECIFIED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
283 | ||
284 | if (TREE_CODE (expr) == VAR_DECL) | |
285 | { | |
286 | DECL_HARD_REGISTER (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa | 287 | DECL_IN_CONSTANT_POOL (expr) = (unsigned) bp_unpack_value (bp, 1); |
f0efc7aa DN |
288 | } |
289 | ||
0170f33c JH |
290 | if (TREE_CODE (expr) == FUNCTION_DECL) |
291 | { | |
292 | DECL_FINAL_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
293 | DECL_CXX_CONSTRUCTOR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
294 | DECL_CXX_DESTRUCTOR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
295 | } | |
f0efc7aa DN |
296 | } |
297 | ||
298 | ||
299 | /* Unpack all the non-pointer fields of the TS_FUNCTION_DECL structure | |
300 | of expression EXPR from bitpack BP. */ | |
301 | ||
302 | static void | |
303 | unpack_ts_function_decl_value_fields (struct bitpack_d *bp, tree expr) | |
304 | { | |
305 | DECL_BUILT_IN_CLASS (expr) = bp_unpack_enum (bp, built_in_class, | |
306 | BUILT_IN_LAST); | |
307 | DECL_STATIC_CONSTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, 1); | |
308 | DECL_STATIC_DESTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, 1); | |
309 | DECL_UNINLINABLE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
310 | DECL_POSSIBLY_INLINED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
311 | DECL_IS_NOVOPS (expr) = (unsigned) bp_unpack_value (bp, 1); | |
312 | DECL_IS_RETURNS_TWICE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
313 | DECL_IS_MALLOC (expr) = (unsigned) bp_unpack_value (bp, 1); | |
314 | DECL_IS_OPERATOR_NEW (expr) = (unsigned) bp_unpack_value (bp, 1); | |
315 | DECL_DECLARED_INLINE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
316 | DECL_STATIC_CHAIN (expr) = (unsigned) bp_unpack_value (bp, 1); | |
317 | DECL_NO_INLINE_WARNING_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
318 | DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (expr) | |
319 | = (unsigned) bp_unpack_value (bp, 1); | |
320 | DECL_NO_LIMIT_STACK (expr) = (unsigned) bp_unpack_value (bp, 1); | |
321 | DECL_DISREGARD_INLINE_LIMITS (expr) = (unsigned) bp_unpack_value (bp, 1); | |
322 | DECL_PURE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
323 | DECL_LOOPING_CONST_OR_PURE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
324 | if (DECL_BUILT_IN_CLASS (expr) != NOT_BUILT_IN) | |
325 | { | |
326 | DECL_FUNCTION_CODE (expr) = (enum built_in_function) bp_unpack_value (bp, | |
3c350d48 | 327 | 12); |
f0efc7aa DN |
328 | if (DECL_BUILT_IN_CLASS (expr) == BUILT_IN_NORMAL |
329 | && DECL_FUNCTION_CODE (expr) >= END_BUILTINS) | |
40fecdd6 JM |
330 | fatal_error (input_location, |
331 | "machine independent builtin code out of range"); | |
f0efc7aa DN |
332 | else if (DECL_BUILT_IN_CLASS (expr) == BUILT_IN_MD) |
333 | { | |
334 | tree result = targetm.builtin_decl (DECL_FUNCTION_CODE (expr), true); | |
335 | if (!result || result == error_mark_node) | |
40fecdd6 JM |
336 | fatal_error (input_location, |
337 | "target specific builtin not available"); | |
f0efc7aa DN |
338 | } |
339 | } | |
f0efc7aa DN |
340 | } |
341 | ||
342 | ||
343 | /* Unpack all the non-pointer fields of the TS_TYPE_COMMON structure | |
344 | of expression EXPR from bitpack BP. */ | |
345 | ||
346 | static void | |
347 | unpack_ts_type_common_value_fields (struct bitpack_d *bp, tree expr) | |
348 | { | |
ef4bddc2 | 349 | machine_mode mode; |
f0efc7aa | 350 | |
db847fa8 | 351 | mode = bp_unpack_machine_mode (bp); |
f0efc7aa DN |
352 | SET_TYPE_MODE (expr, mode); |
353 | TYPE_STRING_FLAG (expr) = (unsigned) bp_unpack_value (bp, 1); | |
351d90f4 JH |
354 | /* TYPE_NO_FORCE_BLK is private to stor-layout and need |
355 | no streaming. */ | |
f0efc7aa DN |
356 | TYPE_NEEDS_CONSTRUCTING (expr) = (unsigned) bp_unpack_value (bp, 1); |
357 | if (RECORD_OR_UNION_TYPE_P (expr)) | |
0170f33c JH |
358 | { |
359 | TYPE_TRANSPARENT_AGGR (expr) = (unsigned) bp_unpack_value (bp, 1); | |
360 | TYPE_FINAL_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
361 | } | |
04208228 EB |
362 | else if (TREE_CODE (expr) == ARRAY_TYPE) |
363 | TYPE_NONALIASED_COMPONENT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa DN |
364 | TYPE_PACKED (expr) = (unsigned) bp_unpack_value (bp, 1); |
365 | TYPE_RESTRICT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa DN |
366 | TYPE_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, 1); |
367 | TYPE_READONLY (expr) = (unsigned) bp_unpack_value (bp, 1); | |
368 | TYPE_PRECISION (expr) = bp_unpack_var_len_unsigned (bp); | |
369 | TYPE_ALIGN (expr) = bp_unpack_var_len_unsigned (bp); | |
6d2b7199 BS |
370 | #ifdef ACCEL_COMPILER |
371 | if (TYPE_ALIGN (expr) > targetm.absolute_biggest_alignment) | |
372 | TYPE_ALIGN (expr) = targetm.absolute_biggest_alignment; | |
373 | #endif | |
f0efc7aa DN |
374 | TYPE_ALIAS_SET (expr) = bp_unpack_var_len_int (bp); |
375 | } | |
376 | ||
377 | ||
378 | /* Unpack all the non-pointer fields of the TS_BLOCK structure | |
379 | of expression EXPR from bitpack BP. */ | |
380 | ||
381 | static void | |
7cb7d208 RB |
382 | unpack_ts_block_value_fields (struct data_in *data_in, |
383 | struct bitpack_d *bp, tree expr) | |
f0efc7aa DN |
384 | { |
385 | BLOCK_ABSTRACT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
386 | /* BLOCK_NUMBER is recomputed. */ | |
eaeec5ec | 387 | stream_input_location (&BLOCK_SOURCE_LOCATION (expr), bp, data_in); |
f0efc7aa DN |
388 | } |
389 | ||
390 | /* Unpack all the non-pointer fields of the TS_TRANSLATION_UNIT_DECL | |
391 | structure of expression EXPR from bitpack BP. */ | |
392 | ||
393 | static void | |
8135e1e6 RB |
394 | unpack_ts_translation_unit_decl_value_fields (struct data_in *data_in, |
395 | struct bitpack_d *bp, tree expr) | |
f0efc7aa | 396 | { |
8135e1e6 | 397 | TRANSLATION_UNIT_LANGUAGE (expr) = xstrdup (bp_unpack_string (data_in, bp)); |
9771b263 | 398 | vec_safe_push (all_translation_units, expr); |
f0efc7aa DN |
399 | } |
400 | ||
0889c5c3 | 401 | |
c193f58b JJ |
402 | /* Unpack all the non-pointer fields of the TS_OMP_CLAUSE |
403 | structure of expression EXPR from bitpack BP. */ | |
404 | ||
405 | static void | |
406 | unpack_ts_omp_clause_value_fields (struct data_in *data_in, | |
407 | struct bitpack_d *bp, tree expr) | |
408 | { | |
eaeec5ec | 409 | stream_input_location (&OMP_CLAUSE_LOCATION (expr), bp, data_in); |
c193f58b JJ |
410 | switch (OMP_CLAUSE_CODE (expr)) |
411 | { | |
412 | case OMP_CLAUSE_DEFAULT: | |
413 | OMP_CLAUSE_DEFAULT_KIND (expr) | |
414 | = bp_unpack_enum (bp, omp_clause_default_kind, | |
415 | OMP_CLAUSE_DEFAULT_LAST); | |
416 | break; | |
417 | case OMP_CLAUSE_SCHEDULE: | |
418 | OMP_CLAUSE_SCHEDULE_KIND (expr) | |
419 | = bp_unpack_enum (bp, omp_clause_schedule_kind, | |
420 | OMP_CLAUSE_SCHEDULE_LAST); | |
421 | break; | |
422 | case OMP_CLAUSE_DEPEND: | |
423 | OMP_CLAUSE_DEPEND_KIND (expr) | |
424 | = bp_unpack_enum (bp, omp_clause_depend_kind, OMP_CLAUSE_DEPEND_LAST); | |
425 | break; | |
426 | case OMP_CLAUSE_MAP: | |
41dbbb37 TS |
427 | OMP_CLAUSE_SET_MAP_KIND (expr, bp_unpack_enum (bp, gomp_map_kind, |
428 | GOMP_MAP_LAST)); | |
c193f58b JJ |
429 | break; |
430 | case OMP_CLAUSE_PROC_BIND: | |
431 | OMP_CLAUSE_PROC_BIND_KIND (expr) | |
432 | = bp_unpack_enum (bp, omp_clause_proc_bind_kind, | |
433 | OMP_CLAUSE_PROC_BIND_LAST); | |
434 | break; | |
435 | case OMP_CLAUSE_REDUCTION: | |
436 | OMP_CLAUSE_REDUCTION_CODE (expr) | |
437 | = bp_unpack_enum (bp, tree_code, MAX_TREE_CODES); | |
438 | break; | |
439 | default: | |
440 | break; | |
441 | } | |
442 | } | |
443 | ||
f0efc7aa | 444 | |
b6bf201e RB |
445 | /* Read all the language-independent bitfield values for EXPR from IB. |
446 | Return the partially unpacked bitpack so the caller can unpack any other | |
447 | bitfield values that the writer may have written. */ | |
448 | ||
bab4f4e3 | 449 | void |
b6bf201e RB |
450 | streamer_read_tree_bitfields (struct lto_input_block *ib, |
451 | struct data_in *data_in, tree expr) | |
f0efc7aa DN |
452 | { |
453 | enum tree_code code; | |
b6bf201e RB |
454 | struct bitpack_d bp; |
455 | ||
456 | /* Read the bitpack of non-pointer values from IB. */ | |
457 | bp = streamer_read_bitpack (ib); | |
f0efc7aa | 458 | |
b6bf201e RB |
459 | /* The first word in BP contains the code of the tree that we |
460 | are about to read. */ | |
461 | code = (enum tree_code) bp_unpack_value (&bp, 16); | |
462 | lto_tag_check (lto_tree_code_to_tag (code), | |
463 | lto_tree_code_to_tag (TREE_CODE (expr))); | |
f0efc7aa DN |
464 | |
465 | /* Note that all these functions are highly sensitive to changes in | |
466 | the types and sizes of each of the fields being packed. */ | |
b6bf201e | 467 | unpack_ts_base_value_fields (&bp, expr); |
f0efc7aa | 468 | |
c61f8c3b | 469 | if (CODE_CONTAINS_STRUCT (code, TS_INT_CST)) |
b6bf201e | 470 | unpack_ts_int_cst_value_fields (&bp, expr); |
c61f8c3b | 471 | |
f0efc7aa | 472 | if (CODE_CONTAINS_STRUCT (code, TS_REAL_CST)) |
b6bf201e | 473 | unpack_ts_real_cst_value_fields (&bp, expr); |
f0efc7aa DN |
474 | |
475 | if (CODE_CONTAINS_STRUCT (code, TS_FIXED_CST)) | |
b6bf201e | 476 | unpack_ts_fixed_cst_value_fields (&bp, expr); |
f0efc7aa | 477 | |
7cb7d208 | 478 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL)) |
eaeec5ec | 479 | stream_input_location (&DECL_SOURCE_LOCATION (expr), &bp, data_in); |
7cb7d208 | 480 | |
f0efc7aa | 481 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON)) |
b6bf201e | 482 | unpack_ts_decl_common_value_fields (&bp, expr); |
f0efc7aa DN |
483 | |
484 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL)) | |
b6bf201e | 485 | unpack_ts_decl_wrtl_value_fields (&bp, expr); |
f0efc7aa DN |
486 | |
487 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS)) | |
b6bf201e | 488 | unpack_ts_decl_with_vis_value_fields (&bp, expr); |
f0efc7aa DN |
489 | |
490 | if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL)) | |
b6bf201e | 491 | unpack_ts_function_decl_value_fields (&bp, expr); |
f0efc7aa DN |
492 | |
493 | if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON)) | |
b6bf201e | 494 | unpack_ts_type_common_value_fields (&bp, expr); |
f0efc7aa | 495 | |
7cb7d208 | 496 | if (CODE_CONTAINS_STRUCT (code, TS_EXP)) |
f3dccf50 | 497 | { |
eaeec5ec | 498 | stream_input_location (&EXPR_CHECK (expr)->exp.locus, &bp, data_in); |
f3dccf50 RB |
499 | if (code == MEM_REF |
500 | || code == TARGET_MEM_REF) | |
501 | { | |
502 | MR_DEPENDENCE_CLIQUE (expr) | |
b6bf201e | 503 | = (unsigned)bp_unpack_value (&bp, sizeof (short) * 8); |
f3dccf50 RB |
504 | if (MR_DEPENDENCE_CLIQUE (expr) != 0) |
505 | MR_DEPENDENCE_BASE (expr) | |
b6bf201e | 506 | = (unsigned)bp_unpack_value (&bp, sizeof (short) * 8); |
f3dccf50 RB |
507 | } |
508 | } | |
7cb7d208 | 509 | |
f0efc7aa | 510 | if (CODE_CONTAINS_STRUCT (code, TS_BLOCK)) |
b6bf201e | 511 | unpack_ts_block_value_fields (data_in, &bp, expr); |
f0efc7aa DN |
512 | |
513 | if (CODE_CONTAINS_STRUCT (code, TS_TRANSLATION_UNIT_DECL)) | |
b6bf201e | 514 | unpack_ts_translation_unit_decl_value_fields (data_in, &bp, expr); |
0889c5c3 | 515 | |
0889c5c3 | 516 | if (CODE_CONTAINS_STRUCT (code, TS_OPTIMIZATION)) |
b6bf201e | 517 | cl_optimization_stream_in (&bp, TREE_OPTIMIZATION (expr)); |
0127aae4 RG |
518 | |
519 | if (CODE_CONTAINS_STRUCT (code, TS_BINFO)) | |
520 | { | |
b6bf201e | 521 | unsigned HOST_WIDE_INT length = bp_unpack_var_len_unsigned (&bp); |
0127aae4 | 522 | if (length > 0) |
9771b263 | 523 | vec_safe_grow (BINFO_BASE_ACCESSES (expr), length); |
0127aae4 RG |
524 | } |
525 | ||
526 | if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR)) | |
527 | { | |
b6bf201e | 528 | unsigned HOST_WIDE_INT length = bp_unpack_var_len_unsigned (&bp); |
0127aae4 | 529 | if (length > 0) |
9771b263 | 530 | vec_safe_grow (CONSTRUCTOR_ELTS (expr), length); |
0127aae4 | 531 | } |
c193f58b | 532 | |
1b34e6e2 | 533 | #ifndef ACCEL_COMPILER |
54e774c0 | 534 | if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION)) |
59913123 JJ |
535 | { |
536 | cl_target_option_stream_in (data_in, &bp, TREE_TARGET_OPTION (expr)); | |
537 | if (targetm.target_option.post_stream_in) | |
538 | targetm.target_option.post_stream_in (TREE_TARGET_OPTION (expr)); | |
539 | } | |
1b34e6e2 | 540 | #endif |
54e774c0 | 541 | |
c193f58b | 542 | if (code == OMP_CLAUSE) |
b6bf201e | 543 | unpack_ts_omp_clause_value_fields (data_in, &bp, expr); |
f0efc7aa DN |
544 | } |
545 | ||
546 | ||
547 | /* Materialize a new tree from input block IB using descriptors in | |
548 | DATA_IN. The code for the new tree should match TAG. Store in | |
549 | *IX_P the index into the reader cache where the new tree is stored. */ | |
550 | ||
b9393656 | 551 | tree |
412288f1 DN |
552 | streamer_alloc_tree (struct lto_input_block *ib, struct data_in *data_in, |
553 | enum LTO_tags tag) | |
f0efc7aa | 554 | { |
f0efc7aa DN |
555 | enum tree_code code; |
556 | tree result; | |
557 | #ifdef LTO_STREAMER_DEBUG | |
a9243bfc | 558 | HOST_WIDE_INT orig_address_in_writer; |
f0efc7aa DN |
559 | #endif |
560 | ||
561 | result = NULL_TREE; | |
562 | ||
563 | #ifdef LTO_STREAMER_DEBUG | |
564 | /* Read the word representing the memory address for the tree | |
565 | as it was written by the writer. This is useful when | |
566 | debugging differences between the writer and reader. */ | |
412288f1 | 567 | orig_address_in_writer = streamer_read_hwi (ib); |
f0efc7aa DN |
568 | gcc_assert ((intptr_t) orig_address_in_writer == orig_address_in_writer); |
569 | #endif | |
570 | ||
571 | code = lto_tag_to_tree_code (tag); | |
572 | ||
573 | /* We should never see an SSA_NAME tree. Only the version numbers of | |
574 | SSA names are ever written out. See input_ssa_names. */ | |
575 | gcc_assert (code != SSA_NAME); | |
576 | ||
577 | /* Instantiate a new tree using the header data. */ | |
578 | if (CODE_CONTAINS_STRUCT (code, TS_STRING)) | |
412288f1 | 579 | result = streamer_read_string_cst (data_in, ib); |
f0efc7aa DN |
580 | else if (CODE_CONTAINS_STRUCT (code, TS_IDENTIFIER)) |
581 | result = input_identifier (data_in, ib); | |
582 | else if (CODE_CONTAINS_STRUCT (code, TS_VEC)) | |
583 | { | |
412288f1 | 584 | HOST_WIDE_INT len = streamer_read_hwi (ib); |
f0efc7aa DN |
585 | result = make_tree_vec (len); |
586 | } | |
d2a12ae7 RG |
587 | else if (CODE_CONTAINS_STRUCT (code, TS_VECTOR)) |
588 | { | |
589 | HOST_WIDE_INT len = streamer_read_hwi (ib); | |
ac9a074c | 590 | result = make_vector (len); |
d2a12ae7 | 591 | } |
f0efc7aa DN |
592 | else if (CODE_CONTAINS_STRUCT (code, TS_BINFO)) |
593 | { | |
412288f1 | 594 | unsigned HOST_WIDE_INT len = streamer_read_uhwi (ib); |
f0efc7aa DN |
595 | result = make_tree_binfo (len); |
596 | } | |
807e902e KZ |
597 | else if (CODE_CONTAINS_STRUCT (code, TS_INT_CST)) |
598 | { | |
599 | unsigned HOST_WIDE_INT len = streamer_read_uhwi (ib); | |
600 | unsigned HOST_WIDE_INT ext_len = streamer_read_uhwi (ib); | |
601 | result = make_int_cst (len, ext_len); | |
602 | } | |
b9393656 DN |
603 | else if (code == CALL_EXPR) |
604 | { | |
412288f1 | 605 | unsigned HOST_WIDE_INT nargs = streamer_read_uhwi (ib); |
b9393656 DN |
606 | return build_vl_exp (CALL_EXPR, nargs + 3); |
607 | } | |
c193f58b JJ |
608 | else if (code == OMP_CLAUSE) |
609 | { | |
610 | enum omp_clause_code subcode | |
611 | = (enum omp_clause_code) streamer_read_uhwi (ib); | |
612 | return build_omp_clause (UNKNOWN_LOCATION, subcode); | |
613 | } | |
f0efc7aa DN |
614 | else |
615 | { | |
b9393656 | 616 | /* For all other nodes, materialize the tree with a raw |
f0efc7aa | 617 | make_node call. */ |
b9393656 | 618 | result = make_node (code); |
f0efc7aa DN |
619 | } |
620 | ||
621 | #ifdef LTO_STREAMER_DEBUG | |
622 | /* Store the original address of the tree as seen by the writer | |
623 | in RESULT's aux field. This is useful when debugging streaming | |
624 | problems. This way, a debugging session can be started on | |
625 | both writer and reader with a breakpoint using this address | |
626 | value in both. */ | |
627 | lto_orig_address_map (result, (intptr_t) orig_address_in_writer); | |
628 | #endif | |
629 | ||
f0efc7aa DN |
630 | return result; |
631 | } | |
632 | ||
633 | ||
634 | /* Read all pointer fields in the TS_COMMON structure of EXPR from input | |
635 | block IB. DATA_IN contains tables and descriptors for the | |
636 | file being read. */ | |
637 | ||
638 | ||
639 | static void | |
640 | lto_input_ts_common_tree_pointers (struct lto_input_block *ib, | |
641 | struct data_in *data_in, tree expr) | |
642 | { | |
643 | if (TREE_CODE (expr) != IDENTIFIER_NODE) | |
b9393656 | 644 | TREE_TYPE (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
645 | } |
646 | ||
647 | ||
648 | /* Read all pointer fields in the TS_VECTOR structure of EXPR from input | |
649 | block IB. DATA_IN contains tables and descriptors for the | |
650 | file being read. */ | |
651 | ||
652 | static void | |
653 | lto_input_ts_vector_tree_pointers (struct lto_input_block *ib, | |
654 | struct data_in *data_in, tree expr) | |
655 | { | |
d2a12ae7 RG |
656 | unsigned i; |
657 | for (i = 0; i < VECTOR_CST_NELTS (expr); ++i) | |
658 | VECTOR_CST_ELT (expr, i) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
659 | } |
660 | ||
661 | ||
662 | /* Read all pointer fields in the TS_COMPLEX 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_complex_tree_pointers (struct lto_input_block *ib, | |
668 | struct data_in *data_in, tree expr) | |
669 | { | |
b9393656 DN |
670 | TREE_REALPART (expr) = stream_read_tree (ib, data_in); |
671 | TREE_IMAGPART (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
672 | } |
673 | ||
674 | ||
675 | /* Read all pointer fields in the TS_DECL_MINIMAL structure of EXPR | |
676 | from input block IB. DATA_IN contains tables and descriptors for the | |
677 | file being read. */ | |
678 | ||
679 | static void | |
680 | lto_input_ts_decl_minimal_tree_pointers (struct lto_input_block *ib, | |
681 | struct data_in *data_in, tree expr) | |
682 | { | |
b9393656 DN |
683 | DECL_NAME (expr) = stream_read_tree (ib, data_in); |
684 | DECL_CONTEXT (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
685 | } |
686 | ||
687 | ||
688 | /* Read all pointer fields in the TS_DECL_COMMON structure of EXPR from | |
689 | input block IB. DATA_IN contains tables and descriptors for the | |
690 | file being read. */ | |
691 | ||
692 | static void | |
693 | lto_input_ts_decl_common_tree_pointers (struct lto_input_block *ib, | |
694 | struct data_in *data_in, tree expr) | |
695 | { | |
b9393656 DN |
696 | DECL_SIZE (expr) = stream_read_tree (ib, data_in); |
697 | DECL_SIZE_UNIT (expr) = stream_read_tree (ib, data_in); | |
698 | DECL_ATTRIBUTES (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
699 | |
700 | /* Do not stream DECL_ABSTRACT_ORIGIN. We cannot handle debug information | |
701 | for early inlining so drop it on the floor instead of ICEing in | |
702 | dwarf2out.c. */ | |
703 | ||
f0efc7aa DN |
704 | if ((TREE_CODE (expr) == VAR_DECL |
705 | || TREE_CODE (expr) == PARM_DECL) | |
706 | && DECL_HAS_VALUE_EXPR_P (expr)) | |
b9393656 | 707 | SET_DECL_VALUE_EXPR (expr, stream_read_tree (ib, data_in)); |
f0efc7aa DN |
708 | |
709 | if (TREE_CODE (expr) == VAR_DECL) | |
710 | { | |
b9393656 | 711 | tree dexpr = stream_read_tree (ib, data_in); |
f0efc7aa DN |
712 | if (dexpr) |
713 | SET_DECL_DEBUG_EXPR (expr, dexpr); | |
714 | } | |
715 | } | |
716 | ||
717 | ||
718 | /* Read all pointer fields in the TS_DECL_NON_COMMON structure of | |
719 | EXPR from input block IB. DATA_IN contains tables and descriptors for the | |
720 | file being read. */ | |
721 | ||
722 | static void | |
723 | lto_input_ts_decl_non_common_tree_pointers (struct lto_input_block *ib, | |
724 | struct data_in *data_in, tree expr) | |
725 | { | |
815effe1 | 726 | if (TREE_CODE (expr) == TYPE_DECL) |
ea973bad | 727 | DECL_ORIGINAL_TYPE (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
728 | } |
729 | ||
730 | ||
731 | /* Read all pointer fields in the TS_DECL_WITH_VIS structure of EXPR | |
732 | from input block IB. DATA_IN contains tables and descriptors for the | |
733 | file being read. */ | |
734 | ||
735 | static void | |
736 | lto_input_ts_decl_with_vis_tree_pointers (struct lto_input_block *ib, | |
737 | struct data_in *data_in, tree expr) | |
738 | { | |
739 | tree id; | |
740 | ||
b9393656 | 741 | id = stream_read_tree (ib, data_in); |
f0efc7aa DN |
742 | if (id) |
743 | { | |
744 | gcc_assert (TREE_CODE (id) == IDENTIFIER_NODE); | |
745 | SET_DECL_ASSEMBLER_NAME (expr, id); | |
746 | } | |
f0efc7aa DN |
747 | } |
748 | ||
749 | ||
750 | /* Read all pointer fields in the TS_FIELD_DECL structure of EXPR from | |
751 | input block IB. DATA_IN contains tables and descriptors for the | |
752 | file being read. */ | |
753 | ||
754 | static void | |
755 | lto_input_ts_field_decl_tree_pointers (struct lto_input_block *ib, | |
756 | struct data_in *data_in, tree expr) | |
757 | { | |
b9393656 DN |
758 | DECL_FIELD_OFFSET (expr) = stream_read_tree (ib, data_in); |
759 | DECL_BIT_FIELD_TYPE (expr) = stream_read_tree (ib, data_in); | |
26c71b93 | 760 | DECL_BIT_FIELD_REPRESENTATIVE (expr) = stream_read_tree (ib, data_in); |
b9393656 DN |
761 | DECL_FIELD_BIT_OFFSET (expr) = stream_read_tree (ib, data_in); |
762 | DECL_FCONTEXT (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
763 | } |
764 | ||
765 | ||
766 | /* Read all pointer fields in the TS_FUNCTION_DECL structure of EXPR | |
767 | from input block IB. DATA_IN contains tables and descriptors for the | |
768 | file being read. */ | |
769 | ||
770 | static void | |
771 | lto_input_ts_function_decl_tree_pointers (struct lto_input_block *ib, | |
772 | struct data_in *data_in, tree expr) | |
773 | { | |
aaf8a23e JH |
774 | DECL_VINDEX (expr) = stream_read_tree (ib, data_in); |
775 | /* DECL_STRUCT_FUNCTION is loaded on demand by cgraph_get_body. */ | |
b9393656 | 776 | DECL_FUNCTION_PERSONALITY (expr) = stream_read_tree (ib, data_in); |
1b34e6e2 | 777 | #ifndef ACCEL_COMPILER |
61204ad9 | 778 | DECL_FUNCTION_SPECIFIC_TARGET (expr) = stream_read_tree (ib, data_in); |
1b34e6e2 | 779 | #endif |
b9393656 | 780 | DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
781 | |
782 | /* If the file contains a function with an EH personality set, | |
783 | then it was compiled with -fexceptions. In that case, initialize | |
784 | the backend EH machinery. */ | |
785 | if (DECL_FUNCTION_PERSONALITY (expr)) | |
786 | lto_init_eh (); | |
787 | } | |
788 | ||
789 | ||
790 | /* Read all pointer fields in the TS_TYPE_COMMON structure of EXPR from | |
791 | input block IB. DATA_IN contains tables and descriptors for the file | |
792 | being read. */ | |
793 | ||
794 | static void | |
795 | lto_input_ts_type_common_tree_pointers (struct lto_input_block *ib, | |
796 | struct data_in *data_in, tree expr) | |
797 | { | |
010f4e27 JH |
798 | TYPE_SIZE (expr) = stream_read_tree (ib, data_in); |
799 | TYPE_SIZE_UNIT (expr) = stream_read_tree (ib, data_in); | |
800 | TYPE_ATTRIBUTES (expr) = stream_read_tree (ib, data_in); | |
b9393656 | 801 | TYPE_NAME (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
802 | /* Do not stream TYPE_POINTER_TO or TYPE_REFERENCE_TO. They will be |
803 | reconstructed during fixup. */ | |
804 | /* Do not stream TYPE_NEXT_VARIANT, we reconstruct the variant lists | |
805 | during fixup. */ | |
010f4e27 JH |
806 | TYPE_MAIN_VARIANT (expr) = stream_read_tree (ib, data_in); |
807 | TYPE_CONTEXT (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
808 | /* TYPE_CANONICAL gets re-computed during type merging. */ |
809 | TYPE_CANONICAL (expr) = NULL_TREE; | |
010f4e27 | 810 | TYPE_STUB_DECL (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
811 | } |
812 | ||
813 | /* Read all pointer fields in the TS_TYPE_NON_COMMON structure of EXPR | |
814 | from input block IB. DATA_IN contains tables and descriptors for the | |
815 | file being read. */ | |
816 | ||
817 | static void | |
818 | lto_input_ts_type_non_common_tree_pointers (struct lto_input_block *ib, | |
819 | struct data_in *data_in, | |
820 | tree expr) | |
821 | { | |
010f4e27 JH |
822 | if (TREE_CODE (expr) == ENUMERAL_TYPE) |
823 | TYPE_VALUES (expr) = stream_read_tree (ib, data_in); | |
824 | else if (TREE_CODE (expr) == ARRAY_TYPE) | |
825 | TYPE_DOMAIN (expr) = stream_read_tree (ib, data_in); | |
826 | else if (RECORD_OR_UNION_TYPE_P (expr)) | |
4acd1c84 | 827 | TYPE_FIELDS (expr) = streamer_read_chain (ib, data_in); |
f0efc7aa | 828 | else if (TREE_CODE (expr) == FUNCTION_TYPE |
010f4e27 | 829 | || TREE_CODE (expr) == METHOD_TYPE) |
b9393656 | 830 | TYPE_ARG_TYPES (expr) = stream_read_tree (ib, data_in); |
010f4e27 JH |
831 | |
832 | if (!POINTER_TYPE_P (expr)) | |
833 | TYPE_MINVAL (expr) = stream_read_tree (ib, data_in); | |
834 | TYPE_MAXVAL (expr) = stream_read_tree (ib, data_in); | |
835 | if (RECORD_OR_UNION_TYPE_P (expr)) | |
836 | TYPE_BINFO (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
837 | } |
838 | ||
839 | ||
840 | /* Read all pointer fields in the TS_LIST structure of EXPR from input | |
841 | block IB. DATA_IN contains tables and descriptors for the | |
842 | file being read. */ | |
843 | ||
844 | static void | |
845 | lto_input_ts_list_tree_pointers (struct lto_input_block *ib, | |
846 | struct data_in *data_in, tree expr) | |
847 | { | |
b9393656 DN |
848 | TREE_PURPOSE (expr) = stream_read_tree (ib, data_in); |
849 | TREE_VALUE (expr) = stream_read_tree (ib, data_in); | |
ee03e71d | 850 | TREE_CHAIN (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
851 | } |
852 | ||
853 | ||
854 | /* Read all pointer fields in the TS_VEC 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_vec_tree_pointers (struct lto_input_block *ib, | |
860 | struct data_in *data_in, tree expr) | |
861 | { | |
862 | int i; | |
863 | ||
412288f1 | 864 | /* Note that TREE_VEC_LENGTH was read by streamer_alloc_tree to |
f0efc7aa DN |
865 | instantiate EXPR. */ |
866 | for (i = 0; i < TREE_VEC_LENGTH (expr); i++) | |
b9393656 | 867 | TREE_VEC_ELT (expr, i) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
868 | } |
869 | ||
870 | ||
871 | /* Read all pointer fields in the TS_EXP structure of EXPR from input | |
872 | block IB. DATA_IN contains tables and descriptors for the | |
873 | file being read. */ | |
874 | ||
875 | ||
876 | static void | |
877 | lto_input_ts_exp_tree_pointers (struct lto_input_block *ib, | |
878 | struct data_in *data_in, tree expr) | |
879 | { | |
0127aae4 | 880 | int i; |
eaeec5ec | 881 | tree block; |
f0efc7aa | 882 | |
0127aae4 | 883 | for (i = 0; i < TREE_OPERAND_LENGTH (expr); i++) |
b9393656 | 884 | TREE_OPERAND (expr, i) = stream_read_tree (ib, data_in); |
f0efc7aa | 885 | |
eaeec5ec JH |
886 | block = stream_read_tree (ib, data_in); |
887 | ||
888 | /* TODO: Block is stored in the locus information. It may make more sense to | |
889 | to make it go via the location cache. */ | |
890 | if (block) | |
891 | { | |
892 | data_in->location_cache.apply_location_cache (); | |
893 | TREE_SET_BLOCK (expr, block); | |
894 | } | |
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) | |
40fecdd6 JM |
1126 | fatal_error (input_location, |
1127 | "machine independent builtin code out of range"); | |
e79983f4 | 1128 | result = builtin_decl_explicit (fcode); |
edcf72f3 IE |
1129 | if (!result |
1130 | && fcode > BEGIN_CHKP_BUILTINS | |
1131 | && fcode < END_CHKP_BUILTINS) | |
1132 | { | |
1133 | fcode = (enum built_in_function) (fcode - BEGIN_CHKP_BUILTINS - 1); | |
1134 | result = builtin_decl_explicit (fcode); | |
1135 | result = chkp_maybe_clone_builtin_fndecl (result); | |
1136 | } | |
f0efc7aa DN |
1137 | gcc_assert (result); |
1138 | } | |
1139 | else if (fclass == BUILT_IN_MD) | |
1140 | { | |
1141 | result = targetm.builtin_decl (fcode, true); | |
1142 | if (!result || result == error_mark_node) | |
40fecdd6 | 1143 | fatal_error (input_location, "target specific builtin not available"); |
f0efc7aa DN |
1144 | } |
1145 | else | |
1146 | gcc_unreachable (); | |
1147 | ||
412288f1 | 1148 | asmname = streamer_read_string (data_in, ib); |
f0efc7aa DN |
1149 | if (asmname) |
1150 | set_builtin_user_assembler_name (result, asmname); | |
1151 | ||
ee03e71d | 1152 | streamer_tree_cache_append (data_in->reader_cache, result, 0); |
f0efc7aa DN |
1153 | |
1154 | return result; | |
1155 | } |