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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" | |
40e23961 | 26 | #include "alias.h" |
c7131fb2 | 27 | #include "backend.h" |
f0efc7aa | 28 | #include "tree.h" |
c7131fb2 AM |
29 | #include "gimple.h" |
30 | #include "hard-reg-set.h" | |
31 | #include "options.h" | |
40e23961 | 32 | #include "fold-const.h" |
d8a2d370 | 33 | #include "stringpool.h" |
2fb9a547 | 34 | #include "internal-fn.h" |
c582198b | 35 | #include "cgraph.h" |
f0efc7aa DN |
36 | #include "tree-streamer.h" |
37 | #include "data-streamer.h" | |
38 | #include "streamer-hooks.h" | |
39 | #include "lto-streamer.h" | |
9b2b7279 | 40 | #include "builtins.h" |
edcf72f3 | 41 | #include "ipa-chkp.h" |
41dbbb37 TS |
42 | #include "gomp-constants.h" |
43 | ||
f0efc7aa DN |
44 | |
45 | /* Read a STRING_CST from the string table in DATA_IN using input | |
46 | block IB. */ | |
47 | ||
48 | tree | |
412288f1 | 49 | streamer_read_string_cst (struct data_in *data_in, struct lto_input_block *ib) |
f0efc7aa DN |
50 | { |
51 | unsigned int len; | |
52 | const char * ptr; | |
53 | ||
412288f1 | 54 | ptr = streamer_read_indexed_string (data_in, ib, &len); |
f0efc7aa DN |
55 | if (!ptr) |
56 | return NULL; | |
57 | return build_string (len, ptr); | |
58 | } | |
59 | ||
60 | ||
61 | /* Read an IDENTIFIER from the string table in DATA_IN using input | |
62 | block IB. */ | |
63 | ||
64 | static tree | |
65 | input_identifier (struct data_in *data_in, struct lto_input_block *ib) | |
66 | { | |
67 | unsigned int len; | |
68 | const char *ptr; | |
69 | ||
412288f1 | 70 | ptr = streamer_read_indexed_string (data_in, ib, &len); |
f0efc7aa DN |
71 | if (!ptr) |
72 | return NULL; | |
73 | return get_identifier_with_length (ptr, len); | |
74 | } | |
75 | ||
76 | ||
77 | /* Read a chain of tree nodes from input block IB. DATA_IN contains | |
78 | tables and descriptors for the file being read. */ | |
79 | ||
412288f1 DN |
80 | tree |
81 | streamer_read_chain (struct lto_input_block *ib, struct data_in *data_in) | |
f0efc7aa | 82 | { |
f0efc7aa DN |
83 | tree first, prev, curr; |
84 | ||
0127aae4 | 85 | /* The chain is written as NULL terminated list of trees. */ |
f0efc7aa | 86 | first = prev = NULL_TREE; |
0127aae4 | 87 | do |
f0efc7aa | 88 | { |
b9393656 | 89 | curr = stream_read_tree (ib, data_in); |
f0efc7aa DN |
90 | if (prev) |
91 | TREE_CHAIN (prev) = curr; | |
92 | else | |
93 | first = curr; | |
94 | ||
f0efc7aa DN |
95 | prev = curr; |
96 | } | |
0127aae4 | 97 | while (curr); |
f0efc7aa DN |
98 | |
99 | return first; | |
100 | } | |
101 | ||
102 | ||
103 | /* Unpack all the non-pointer fields of the TS_BASE structure of | |
104 | expression EXPR from bitpack BP. */ | |
105 | ||
b6bf201e | 106 | static inline void |
f0efc7aa DN |
107 | unpack_ts_base_value_fields (struct bitpack_d *bp, tree expr) |
108 | { | |
109 | /* Note that the code for EXPR has already been unpacked to create EXPR in | |
412288f1 | 110 | streamer_alloc_tree. */ |
f0efc7aa DN |
111 | if (!TYPE_P (expr)) |
112 | { | |
113 | TREE_SIDE_EFFECTS (expr) = (unsigned) bp_unpack_value (bp, 1); | |
114 | TREE_CONSTANT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
115 | TREE_READONLY (expr) = (unsigned) bp_unpack_value (bp, 1); | |
116 | ||
117 | /* TREE_PUBLIC is used on types to indicate that the type | |
118 | has a TYPE_CACHED_VALUES vector. This is not streamed out, | |
119 | so we skip it here. */ | |
120 | TREE_PUBLIC (expr) = (unsigned) bp_unpack_value (bp, 1); | |
121 | } | |
122 | else | |
123 | bp_unpack_value (bp, 4); | |
124 | TREE_ADDRESSABLE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
125 | TREE_THIS_VOLATILE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
126 | if (DECL_P (expr)) | |
127 | DECL_UNSIGNED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
128 | else if (TYPE_P (expr)) | |
129 | TYPE_UNSIGNED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
130 | else | |
131 | bp_unpack_value (bp, 1); | |
132 | TREE_ASM_WRITTEN (expr) = (unsigned) bp_unpack_value (bp, 1); | |
133 | if (TYPE_P (expr)) | |
134 | TYPE_ARTIFICIAL (expr) = (unsigned) bp_unpack_value (bp, 1); | |
135 | else | |
136 | TREE_NO_WARNING (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa DN |
137 | TREE_NOTHROW (expr) = (unsigned) bp_unpack_value (bp, 1); |
138 | TREE_STATIC (expr) = (unsigned) bp_unpack_value (bp, 1); | |
ee03e71d RB |
139 | if (TREE_CODE (expr) != TREE_BINFO) |
140 | TREE_PRIVATE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
b6bf201e RB |
141 | else |
142 | bp_unpack_value (bp, 1); | |
f0efc7aa DN |
143 | TREE_PROTECTED (expr) = (unsigned) bp_unpack_value (bp, 1); |
144 | TREE_DEPRECATED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
145 | if (TYPE_P (expr)) | |
875b35b4 DN |
146 | { |
147 | TYPE_SATURATING (expr) = (unsigned) bp_unpack_value (bp, 1); | |
148 | TYPE_ADDR_SPACE (expr) = (unsigned) bp_unpack_value (bp, 8); | |
149 | } | |
f0efc7aa | 150 | else if (TREE_CODE (expr) == SSA_NAME) |
b6bf201e RB |
151 | { |
152 | SSA_NAME_IS_DEFAULT_DEF (expr) = (unsigned) bp_unpack_value (bp, 1); | |
153 | bp_unpack_value (bp, 8); | |
154 | } | |
f0efc7aa | 155 | else |
b6bf201e | 156 | bp_unpack_value (bp, 9); |
f0efc7aa DN |
157 | } |
158 | ||
159 | ||
c61f8c3b RG |
160 | /* Unpack all the non-pointer fields of the TS_INT_CST structure of |
161 | expression EXPR from bitpack BP. */ | |
162 | ||
163 | static void | |
164 | unpack_ts_int_cst_value_fields (struct bitpack_d *bp, tree expr) | |
165 | { | |
807e902e KZ |
166 | int i; |
167 | for (i = 0; i < TREE_INT_CST_EXT_NUNITS (expr); i++) | |
168 | TREE_INT_CST_ELT (expr, i) = bp_unpack_var_len_int (bp); | |
c61f8c3b RG |
169 | } |
170 | ||
171 | ||
f0efc7aa DN |
172 | /* Unpack all the non-pointer fields of the TS_REAL_CST structure of |
173 | expression EXPR from bitpack BP. */ | |
174 | ||
175 | static void | |
176 | unpack_ts_real_cst_value_fields (struct bitpack_d *bp, tree expr) | |
177 | { | |
178 | unsigned i; | |
179 | REAL_VALUE_TYPE r; | |
180 | REAL_VALUE_TYPE *rp; | |
181 | ||
a822564d JJ |
182 | /* Clear all bits of the real value type so that we can later do |
183 | bitwise comparisons to see if two values are the same. */ | |
184 | memset (&r, 0, sizeof r); | |
f0efc7aa DN |
185 | r.cl = (unsigned) bp_unpack_value (bp, 2); |
186 | r.decimal = (unsigned) bp_unpack_value (bp, 1); | |
187 | r.sign = (unsigned) bp_unpack_value (bp, 1); | |
188 | r.signalling = (unsigned) bp_unpack_value (bp, 1); | |
189 | r.canonical = (unsigned) bp_unpack_value (bp, 1); | |
190 | r.uexp = (unsigned) bp_unpack_value (bp, EXP_BITS); | |
191 | for (i = 0; i < SIGSZ; i++) | |
192 | r.sig[i] = (unsigned long) bp_unpack_value (bp, HOST_BITS_PER_LONG); | |
193 | ||
766090c2 | 194 | rp = ggc_alloc<real_value> (); |
f0efc7aa DN |
195 | memcpy (rp, &r, sizeof (REAL_VALUE_TYPE)); |
196 | TREE_REAL_CST_PTR (expr) = rp; | |
197 | } | |
198 | ||
199 | ||
200 | /* Unpack all the non-pointer fields of the TS_FIXED_CST structure of | |
201 | expression EXPR from bitpack BP. */ | |
202 | ||
203 | static void | |
204 | unpack_ts_fixed_cst_value_fields (struct bitpack_d *bp, tree expr) | |
205 | { | |
766090c2 | 206 | FIXED_VALUE_TYPE *fp = ggc_alloc<fixed_value> (); |
db847fa8 | 207 | fp->mode = bp_unpack_machine_mode (bp); |
f57f20bb RG |
208 | fp->data.low = bp_unpack_var_len_int (bp); |
209 | fp->data.high = bp_unpack_var_len_int (bp); | |
210 | TREE_FIXED_CST_PTR (expr) = fp; | |
f0efc7aa DN |
211 | } |
212 | ||
f0efc7aa DN |
213 | /* Unpack all the non-pointer fields of the TS_DECL_COMMON structure |
214 | of expression EXPR from bitpack BP. */ | |
215 | ||
216 | static void | |
217 | unpack_ts_decl_common_value_fields (struct bitpack_d *bp, tree expr) | |
218 | { | |
db847fa8 | 219 | DECL_MODE (expr) = bp_unpack_machine_mode (bp); |
f0efc7aa DN |
220 | DECL_NONLOCAL (expr) = (unsigned) bp_unpack_value (bp, 1); |
221 | DECL_VIRTUAL_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
222 | DECL_IGNORED_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
00de328a | 223 | DECL_ABSTRACT_P (expr) = (unsigned) bp_unpack_value (bp, 1); |
f0efc7aa DN |
224 | DECL_ARTIFICIAL (expr) = (unsigned) bp_unpack_value (bp, 1); |
225 | DECL_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, 1); | |
226 | DECL_PRESERVE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa DN |
227 | DECL_EXTERNAL (expr) = (unsigned) bp_unpack_value (bp, 1); |
228 | DECL_GIMPLE_REG_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
229 | DECL_ALIGN (expr) = (unsigned) bp_unpack_var_len_unsigned (bp); | |
6d2b7199 BS |
230 | #ifdef ACCEL_COMPILER |
231 | if (DECL_ALIGN (expr) > targetm.absolute_biggest_alignment) | |
232 | DECL_ALIGN (expr) = targetm.absolute_biggest_alignment; | |
233 | #endif | |
f0efc7aa DN |
234 | if (TREE_CODE (expr) == LABEL_DECL) |
235 | { | |
f0efc7aa DN |
236 | EH_LANDING_PAD_NR (expr) = (int) bp_unpack_var_len_unsigned (bp); |
237 | ||
238 | /* Always assume an initial value of -1 for LABEL_DECL_UID to | |
239 | force gimple_set_bb to recreate label_to_block_map. */ | |
240 | LABEL_DECL_UID (expr) = -1; | |
241 | } | |
242 | ||
243 | if (TREE_CODE (expr) == FIELD_DECL) | |
244 | { | |
245 | DECL_PACKED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
246 | DECL_NONADDRESSABLE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
247 | expr->decl_common.off_align = bp_unpack_value (bp, 8); | |
248 | } | |
249 | ||
0f1e8842 | 250 | if (TREE_CODE (expr) == VAR_DECL) |
839b422f RB |
251 | { |
252 | DECL_HAS_DEBUG_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
253 | DECL_NONLOCAL_FRAME (expr) = (unsigned) bp_unpack_value (bp, 1); | |
254 | } | |
0f1e8842 | 255 | |
f0efc7aa DN |
256 | if (TREE_CODE (expr) == RESULT_DECL |
257 | || TREE_CODE (expr) == PARM_DECL | |
258 | || TREE_CODE (expr) == VAR_DECL) | |
259 | { | |
260 | DECL_BY_REFERENCE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
261 | if (TREE_CODE (expr) == VAR_DECL | |
262 | || TREE_CODE (expr) == PARM_DECL) | |
263 | DECL_HAS_VALUE_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa DN |
264 | } |
265 | } | |
266 | ||
267 | ||
268 | /* Unpack all the non-pointer fields of the TS_DECL_WRTL structure | |
269 | of expression EXPR from bitpack BP. */ | |
270 | ||
271 | static void | |
272 | unpack_ts_decl_wrtl_value_fields (struct bitpack_d *bp, tree expr) | |
273 | { | |
274 | DECL_REGISTER (expr) = (unsigned) bp_unpack_value (bp, 1); | |
275 | } | |
276 | ||
277 | ||
278 | /* Unpack all the non-pointer fields of the TS_DECL_WITH_VIS structure | |
279 | of expression EXPR from bitpack BP. */ | |
280 | ||
281 | static void | |
282 | unpack_ts_decl_with_vis_value_fields (struct bitpack_d *bp, tree expr) | |
283 | { | |
f0efc7aa DN |
284 | DECL_COMMON (expr) = (unsigned) bp_unpack_value (bp, 1); |
285 | DECL_DLLIMPORT_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
286 | DECL_WEAK (expr) = (unsigned) bp_unpack_value (bp, 1); | |
287 | DECL_SEEN_IN_BIND_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
288 | DECL_COMDAT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
289 | DECL_VISIBILITY (expr) = (enum symbol_visibility) bp_unpack_value (bp, 2); | |
290 | DECL_VISIBILITY_SPECIFIED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
291 | ||
292 | if (TREE_CODE (expr) == VAR_DECL) | |
293 | { | |
294 | DECL_HARD_REGISTER (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa | 295 | DECL_IN_CONSTANT_POOL (expr) = (unsigned) bp_unpack_value (bp, 1); |
f0efc7aa DN |
296 | } |
297 | ||
0170f33c JH |
298 | if (TREE_CODE (expr) == FUNCTION_DECL) |
299 | { | |
300 | DECL_FINAL_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
301 | DECL_CXX_CONSTRUCTOR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
302 | DECL_CXX_DESTRUCTOR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
303 | } | |
f0efc7aa DN |
304 | } |
305 | ||
306 | ||
307 | /* Unpack all the non-pointer fields of the TS_FUNCTION_DECL structure | |
308 | of expression EXPR from bitpack BP. */ | |
309 | ||
310 | static void | |
311 | unpack_ts_function_decl_value_fields (struct bitpack_d *bp, tree expr) | |
312 | { | |
313 | DECL_BUILT_IN_CLASS (expr) = bp_unpack_enum (bp, built_in_class, | |
314 | BUILT_IN_LAST); | |
315 | DECL_STATIC_CONSTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, 1); | |
316 | DECL_STATIC_DESTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, 1); | |
317 | DECL_UNINLINABLE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
318 | DECL_POSSIBLY_INLINED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
319 | DECL_IS_NOVOPS (expr) = (unsigned) bp_unpack_value (bp, 1); | |
320 | DECL_IS_RETURNS_TWICE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
321 | DECL_IS_MALLOC (expr) = (unsigned) bp_unpack_value (bp, 1); | |
322 | DECL_IS_OPERATOR_NEW (expr) = (unsigned) bp_unpack_value (bp, 1); | |
323 | DECL_DECLARED_INLINE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
324 | DECL_STATIC_CHAIN (expr) = (unsigned) bp_unpack_value (bp, 1); | |
325 | DECL_NO_INLINE_WARNING_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
326 | DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (expr) | |
327 | = (unsigned) bp_unpack_value (bp, 1); | |
328 | DECL_NO_LIMIT_STACK (expr) = (unsigned) bp_unpack_value (bp, 1); | |
329 | DECL_DISREGARD_INLINE_LIMITS (expr) = (unsigned) bp_unpack_value (bp, 1); | |
330 | DECL_PURE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
331 | DECL_LOOPING_CONST_OR_PURE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
332 | if (DECL_BUILT_IN_CLASS (expr) != NOT_BUILT_IN) | |
333 | { | |
334 | DECL_FUNCTION_CODE (expr) = (enum built_in_function) bp_unpack_value (bp, | |
3c350d48 | 335 | 12); |
f0efc7aa DN |
336 | if (DECL_BUILT_IN_CLASS (expr) == BUILT_IN_NORMAL |
337 | && DECL_FUNCTION_CODE (expr) >= END_BUILTINS) | |
40fecdd6 JM |
338 | fatal_error (input_location, |
339 | "machine independent builtin code out of range"); | |
f0efc7aa DN |
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) | |
40fecdd6 JM |
344 | fatal_error (input_location, |
345 | "target specific builtin not available"); | |
f0efc7aa DN |
346 | } |
347 | } | |
f0efc7aa DN |
348 | } |
349 | ||
350 | ||
351 | /* Unpack all the non-pointer fields of the TS_TYPE_COMMON structure | |
352 | of expression EXPR from bitpack BP. */ | |
353 | ||
354 | static void | |
355 | unpack_ts_type_common_value_fields (struct bitpack_d *bp, tree expr) | |
356 | { | |
ef4bddc2 | 357 | machine_mode mode; |
f0efc7aa | 358 | |
db847fa8 | 359 | mode = bp_unpack_machine_mode (bp); |
f0efc7aa DN |
360 | SET_TYPE_MODE (expr, mode); |
361 | TYPE_STRING_FLAG (expr) = (unsigned) bp_unpack_value (bp, 1); | |
351d90f4 JH |
362 | /* TYPE_NO_FORCE_BLK is private to stor-layout and need |
363 | no streaming. */ | |
f0efc7aa DN |
364 | TYPE_NEEDS_CONSTRUCTING (expr) = (unsigned) bp_unpack_value (bp, 1); |
365 | if (RECORD_OR_UNION_TYPE_P (expr)) | |
0170f33c JH |
366 | { |
367 | TYPE_TRANSPARENT_AGGR (expr) = (unsigned) bp_unpack_value (bp, 1); | |
368 | TYPE_FINAL_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
369 | } | |
04208228 EB |
370 | else if (TREE_CODE (expr) == ARRAY_TYPE) |
371 | TYPE_NONALIASED_COMPONENT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa DN |
372 | TYPE_PACKED (expr) = (unsigned) bp_unpack_value (bp, 1); |
373 | TYPE_RESTRICT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa DN |
374 | TYPE_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, 1); |
375 | TYPE_READONLY (expr) = (unsigned) bp_unpack_value (bp, 1); | |
376 | TYPE_PRECISION (expr) = bp_unpack_var_len_unsigned (bp); | |
377 | TYPE_ALIGN (expr) = bp_unpack_var_len_unsigned (bp); | |
6d2b7199 BS |
378 | #ifdef ACCEL_COMPILER |
379 | if (TYPE_ALIGN (expr) > targetm.absolute_biggest_alignment) | |
380 | TYPE_ALIGN (expr) = targetm.absolute_biggest_alignment; | |
381 | #endif | |
f0efc7aa DN |
382 | TYPE_ALIAS_SET (expr) = bp_unpack_var_len_int (bp); |
383 | } | |
384 | ||
385 | ||
386 | /* Unpack all the non-pointer fields of the TS_BLOCK structure | |
387 | of expression EXPR from bitpack BP. */ | |
388 | ||
389 | static void | |
7cb7d208 RB |
390 | unpack_ts_block_value_fields (struct data_in *data_in, |
391 | struct bitpack_d *bp, tree expr) | |
f0efc7aa DN |
392 | { |
393 | BLOCK_ABSTRACT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
394 | /* BLOCK_NUMBER is recomputed. */ | |
eaeec5ec | 395 | stream_input_location (&BLOCK_SOURCE_LOCATION (expr), bp, data_in); |
f0efc7aa DN |
396 | } |
397 | ||
398 | /* Unpack all the non-pointer fields of the TS_TRANSLATION_UNIT_DECL | |
399 | structure of expression EXPR from bitpack BP. */ | |
400 | ||
401 | static void | |
8135e1e6 RB |
402 | unpack_ts_translation_unit_decl_value_fields (struct data_in *data_in, |
403 | struct bitpack_d *bp, tree expr) | |
f0efc7aa | 404 | { |
8135e1e6 | 405 | TRANSLATION_UNIT_LANGUAGE (expr) = xstrdup (bp_unpack_string (data_in, bp)); |
9771b263 | 406 | vec_safe_push (all_translation_units, expr); |
f0efc7aa DN |
407 | } |
408 | ||
0889c5c3 | 409 | |
c193f58b JJ |
410 | /* Unpack all the non-pointer fields of the TS_OMP_CLAUSE |
411 | structure of expression EXPR from bitpack BP. */ | |
412 | ||
413 | static void | |
414 | unpack_ts_omp_clause_value_fields (struct data_in *data_in, | |
415 | struct bitpack_d *bp, tree expr) | |
416 | { | |
eaeec5ec | 417 | stream_input_location (&OMP_CLAUSE_LOCATION (expr), bp, data_in); |
c193f58b JJ |
418 | switch (OMP_CLAUSE_CODE (expr)) |
419 | { | |
420 | case OMP_CLAUSE_DEFAULT: | |
421 | OMP_CLAUSE_DEFAULT_KIND (expr) | |
422 | = bp_unpack_enum (bp, omp_clause_default_kind, | |
423 | OMP_CLAUSE_DEFAULT_LAST); | |
424 | break; | |
425 | case OMP_CLAUSE_SCHEDULE: | |
426 | OMP_CLAUSE_SCHEDULE_KIND (expr) | |
427 | = bp_unpack_enum (bp, omp_clause_schedule_kind, | |
428 | OMP_CLAUSE_SCHEDULE_LAST); | |
429 | break; | |
430 | case OMP_CLAUSE_DEPEND: | |
431 | OMP_CLAUSE_DEPEND_KIND (expr) | |
432 | = bp_unpack_enum (bp, omp_clause_depend_kind, OMP_CLAUSE_DEPEND_LAST); | |
433 | break; | |
434 | case OMP_CLAUSE_MAP: | |
41dbbb37 TS |
435 | OMP_CLAUSE_SET_MAP_KIND (expr, bp_unpack_enum (bp, gomp_map_kind, |
436 | GOMP_MAP_LAST)); | |
c193f58b JJ |
437 | break; |
438 | case OMP_CLAUSE_PROC_BIND: | |
439 | OMP_CLAUSE_PROC_BIND_KIND (expr) | |
440 | = bp_unpack_enum (bp, omp_clause_proc_bind_kind, | |
441 | OMP_CLAUSE_PROC_BIND_LAST); | |
442 | break; | |
443 | case OMP_CLAUSE_REDUCTION: | |
444 | OMP_CLAUSE_REDUCTION_CODE (expr) | |
445 | = bp_unpack_enum (bp, tree_code, MAX_TREE_CODES); | |
446 | break; | |
447 | default: | |
448 | break; | |
449 | } | |
450 | } | |
451 | ||
f0efc7aa | 452 | |
b6bf201e RB |
453 | /* Read all the language-independent bitfield values for EXPR from IB. |
454 | Return the partially unpacked bitpack so the caller can unpack any other | |
455 | bitfield values that the writer may have written. */ | |
456 | ||
bab4f4e3 | 457 | void |
b6bf201e RB |
458 | streamer_read_tree_bitfields (struct lto_input_block *ib, |
459 | struct data_in *data_in, tree expr) | |
f0efc7aa DN |
460 | { |
461 | enum tree_code code; | |
b6bf201e RB |
462 | struct bitpack_d bp; |
463 | ||
464 | /* Read the bitpack of non-pointer values from IB. */ | |
465 | bp = streamer_read_bitpack (ib); | |
f0efc7aa | 466 | |
b6bf201e RB |
467 | /* The first word in BP contains the code of the tree that we |
468 | are about to read. */ | |
469 | code = (enum tree_code) bp_unpack_value (&bp, 16); | |
470 | lto_tag_check (lto_tree_code_to_tag (code), | |
471 | lto_tree_code_to_tag (TREE_CODE (expr))); | |
f0efc7aa DN |
472 | |
473 | /* Note that all these functions are highly sensitive to changes in | |
474 | the types and sizes of each of the fields being packed. */ | |
b6bf201e | 475 | unpack_ts_base_value_fields (&bp, expr); |
f0efc7aa | 476 | |
c61f8c3b | 477 | if (CODE_CONTAINS_STRUCT (code, TS_INT_CST)) |
b6bf201e | 478 | unpack_ts_int_cst_value_fields (&bp, expr); |
c61f8c3b | 479 | |
f0efc7aa | 480 | if (CODE_CONTAINS_STRUCT (code, TS_REAL_CST)) |
b6bf201e | 481 | unpack_ts_real_cst_value_fields (&bp, expr); |
f0efc7aa DN |
482 | |
483 | if (CODE_CONTAINS_STRUCT (code, TS_FIXED_CST)) | |
b6bf201e | 484 | unpack_ts_fixed_cst_value_fields (&bp, expr); |
f0efc7aa | 485 | |
7cb7d208 | 486 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL)) |
eaeec5ec | 487 | stream_input_location (&DECL_SOURCE_LOCATION (expr), &bp, data_in); |
7cb7d208 | 488 | |
f0efc7aa | 489 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON)) |
b6bf201e | 490 | unpack_ts_decl_common_value_fields (&bp, expr); |
f0efc7aa DN |
491 | |
492 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL)) | |
b6bf201e | 493 | unpack_ts_decl_wrtl_value_fields (&bp, expr); |
f0efc7aa DN |
494 | |
495 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS)) | |
b6bf201e | 496 | unpack_ts_decl_with_vis_value_fields (&bp, expr); |
f0efc7aa DN |
497 | |
498 | if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL)) | |
b6bf201e | 499 | unpack_ts_function_decl_value_fields (&bp, expr); |
f0efc7aa DN |
500 | |
501 | if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON)) | |
b6bf201e | 502 | unpack_ts_type_common_value_fields (&bp, expr); |
f0efc7aa | 503 | |
7cb7d208 | 504 | if (CODE_CONTAINS_STRUCT (code, TS_EXP)) |
f3dccf50 | 505 | { |
eaeec5ec | 506 | stream_input_location (&EXPR_CHECK (expr)->exp.locus, &bp, data_in); |
f3dccf50 RB |
507 | if (code == MEM_REF |
508 | || code == TARGET_MEM_REF) | |
509 | { | |
510 | MR_DEPENDENCE_CLIQUE (expr) | |
b6bf201e | 511 | = (unsigned)bp_unpack_value (&bp, sizeof (short) * 8); |
f3dccf50 RB |
512 | if (MR_DEPENDENCE_CLIQUE (expr) != 0) |
513 | MR_DEPENDENCE_BASE (expr) | |
b6bf201e | 514 | = (unsigned)bp_unpack_value (&bp, sizeof (short) * 8); |
f3dccf50 RB |
515 | } |
516 | } | |
7cb7d208 | 517 | |
f0efc7aa | 518 | if (CODE_CONTAINS_STRUCT (code, TS_BLOCK)) |
b6bf201e | 519 | unpack_ts_block_value_fields (data_in, &bp, expr); |
f0efc7aa DN |
520 | |
521 | if (CODE_CONTAINS_STRUCT (code, TS_TRANSLATION_UNIT_DECL)) | |
b6bf201e | 522 | unpack_ts_translation_unit_decl_value_fields (data_in, &bp, expr); |
0889c5c3 | 523 | |
0889c5c3 | 524 | if (CODE_CONTAINS_STRUCT (code, TS_OPTIMIZATION)) |
b6bf201e | 525 | cl_optimization_stream_in (&bp, TREE_OPTIMIZATION (expr)); |
0127aae4 RG |
526 | |
527 | if (CODE_CONTAINS_STRUCT (code, TS_BINFO)) | |
528 | { | |
b6bf201e | 529 | unsigned HOST_WIDE_INT length = bp_unpack_var_len_unsigned (&bp); |
0127aae4 | 530 | if (length > 0) |
9771b263 | 531 | vec_safe_grow (BINFO_BASE_ACCESSES (expr), length); |
0127aae4 RG |
532 | } |
533 | ||
534 | if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR)) | |
535 | { | |
b6bf201e | 536 | unsigned HOST_WIDE_INT length = bp_unpack_var_len_unsigned (&bp); |
0127aae4 | 537 | if (length > 0) |
9771b263 | 538 | vec_safe_grow (CONSTRUCTOR_ELTS (expr), length); |
0127aae4 | 539 | } |
c193f58b | 540 | |
1b34e6e2 | 541 | #ifndef ACCEL_COMPILER |
54e774c0 | 542 | if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION)) |
59913123 JJ |
543 | { |
544 | cl_target_option_stream_in (data_in, &bp, TREE_TARGET_OPTION (expr)); | |
545 | if (targetm.target_option.post_stream_in) | |
546 | targetm.target_option.post_stream_in (TREE_TARGET_OPTION (expr)); | |
547 | } | |
1b34e6e2 | 548 | #endif |
54e774c0 | 549 | |
c193f58b | 550 | if (code == OMP_CLAUSE) |
b6bf201e | 551 | unpack_ts_omp_clause_value_fields (data_in, &bp, expr); |
f0efc7aa DN |
552 | } |
553 | ||
554 | ||
555 | /* Materialize a new tree from input block IB using descriptors in | |
556 | DATA_IN. The code for the new tree should match TAG. Store in | |
557 | *IX_P the index into the reader cache where the new tree is stored. */ | |
558 | ||
b9393656 | 559 | tree |
412288f1 DN |
560 | streamer_alloc_tree (struct lto_input_block *ib, struct data_in *data_in, |
561 | enum LTO_tags tag) | |
f0efc7aa | 562 | { |
f0efc7aa DN |
563 | enum tree_code code; |
564 | tree result; | |
565 | #ifdef LTO_STREAMER_DEBUG | |
a9243bfc | 566 | HOST_WIDE_INT orig_address_in_writer; |
f0efc7aa DN |
567 | #endif |
568 | ||
569 | result = NULL_TREE; | |
570 | ||
571 | #ifdef LTO_STREAMER_DEBUG | |
572 | /* Read the word representing the memory address for the tree | |
573 | as it was written by the writer. This is useful when | |
574 | debugging differences between the writer and reader. */ | |
412288f1 | 575 | orig_address_in_writer = streamer_read_hwi (ib); |
f0efc7aa DN |
576 | gcc_assert ((intptr_t) orig_address_in_writer == orig_address_in_writer); |
577 | #endif | |
578 | ||
579 | code = lto_tag_to_tree_code (tag); | |
580 | ||
581 | /* We should never see an SSA_NAME tree. Only the version numbers of | |
582 | SSA names are ever written out. See input_ssa_names. */ | |
583 | gcc_assert (code != SSA_NAME); | |
584 | ||
585 | /* Instantiate a new tree using the header data. */ | |
586 | if (CODE_CONTAINS_STRUCT (code, TS_STRING)) | |
412288f1 | 587 | result = streamer_read_string_cst (data_in, ib); |
f0efc7aa DN |
588 | else if (CODE_CONTAINS_STRUCT (code, TS_IDENTIFIER)) |
589 | result = input_identifier (data_in, ib); | |
590 | else if (CODE_CONTAINS_STRUCT (code, TS_VEC)) | |
591 | { | |
412288f1 | 592 | HOST_WIDE_INT len = streamer_read_hwi (ib); |
f0efc7aa DN |
593 | result = make_tree_vec (len); |
594 | } | |
d2a12ae7 RG |
595 | else if (CODE_CONTAINS_STRUCT (code, TS_VECTOR)) |
596 | { | |
597 | HOST_WIDE_INT len = streamer_read_hwi (ib); | |
ac9a074c | 598 | result = make_vector (len); |
d2a12ae7 | 599 | } |
f0efc7aa DN |
600 | else if (CODE_CONTAINS_STRUCT (code, TS_BINFO)) |
601 | { | |
412288f1 | 602 | unsigned HOST_WIDE_INT len = streamer_read_uhwi (ib); |
f0efc7aa DN |
603 | result = make_tree_binfo (len); |
604 | } | |
807e902e KZ |
605 | else if (CODE_CONTAINS_STRUCT (code, TS_INT_CST)) |
606 | { | |
607 | unsigned HOST_WIDE_INT len = streamer_read_uhwi (ib); | |
608 | unsigned HOST_WIDE_INT ext_len = streamer_read_uhwi (ib); | |
609 | result = make_int_cst (len, ext_len); | |
610 | } | |
b9393656 DN |
611 | else if (code == CALL_EXPR) |
612 | { | |
412288f1 | 613 | unsigned HOST_WIDE_INT nargs = streamer_read_uhwi (ib); |
b9393656 DN |
614 | return build_vl_exp (CALL_EXPR, nargs + 3); |
615 | } | |
c193f58b JJ |
616 | else if (code == OMP_CLAUSE) |
617 | { | |
618 | enum omp_clause_code subcode | |
619 | = (enum omp_clause_code) streamer_read_uhwi (ib); | |
620 | return build_omp_clause (UNKNOWN_LOCATION, subcode); | |
621 | } | |
f0efc7aa DN |
622 | else |
623 | { | |
b9393656 | 624 | /* For all other nodes, materialize the tree with a raw |
f0efc7aa | 625 | make_node call. */ |
b9393656 | 626 | result = make_node (code); |
f0efc7aa DN |
627 | } |
628 | ||
629 | #ifdef LTO_STREAMER_DEBUG | |
630 | /* Store the original address of the tree as seen by the writer | |
631 | in RESULT's aux field. This is useful when debugging streaming | |
632 | problems. This way, a debugging session can be started on | |
633 | both writer and reader with a breakpoint using this address | |
634 | value in both. */ | |
635 | lto_orig_address_map (result, (intptr_t) orig_address_in_writer); | |
636 | #endif | |
637 | ||
f0efc7aa DN |
638 | return result; |
639 | } | |
640 | ||
641 | ||
642 | /* Read all pointer fields in the TS_COMMON structure of EXPR from input | |
643 | block IB. DATA_IN contains tables and descriptors for the | |
644 | file being read. */ | |
645 | ||
646 | ||
647 | static void | |
648 | lto_input_ts_common_tree_pointers (struct lto_input_block *ib, | |
649 | struct data_in *data_in, tree expr) | |
650 | { | |
651 | if (TREE_CODE (expr) != IDENTIFIER_NODE) | |
b9393656 | 652 | TREE_TYPE (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
653 | } |
654 | ||
655 | ||
656 | /* Read all pointer fields in the TS_VECTOR structure of EXPR from input | |
657 | block IB. DATA_IN contains tables and descriptors for the | |
658 | file being read. */ | |
659 | ||
660 | static void | |
661 | lto_input_ts_vector_tree_pointers (struct lto_input_block *ib, | |
662 | struct data_in *data_in, tree expr) | |
663 | { | |
d2a12ae7 RG |
664 | unsigned i; |
665 | for (i = 0; i < VECTOR_CST_NELTS (expr); ++i) | |
666 | VECTOR_CST_ELT (expr, i) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
667 | } |
668 | ||
669 | ||
670 | /* Read all pointer fields in the TS_COMPLEX structure of EXPR from input | |
671 | block IB. DATA_IN contains tables and descriptors for the | |
672 | file being read. */ | |
673 | ||
674 | static void | |
675 | lto_input_ts_complex_tree_pointers (struct lto_input_block *ib, | |
676 | struct data_in *data_in, tree expr) | |
677 | { | |
b9393656 DN |
678 | TREE_REALPART (expr) = stream_read_tree (ib, data_in); |
679 | TREE_IMAGPART (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
680 | } |
681 | ||
682 | ||
683 | /* Read all pointer fields in the TS_DECL_MINIMAL structure of EXPR | |
684 | from input block IB. DATA_IN contains tables and descriptors for the | |
685 | file being read. */ | |
686 | ||
687 | static void | |
688 | lto_input_ts_decl_minimal_tree_pointers (struct lto_input_block *ib, | |
689 | struct data_in *data_in, tree expr) | |
690 | { | |
b9393656 DN |
691 | DECL_NAME (expr) = stream_read_tree (ib, data_in); |
692 | DECL_CONTEXT (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
693 | } |
694 | ||
695 | ||
696 | /* Read all pointer fields in the TS_DECL_COMMON structure of EXPR from | |
697 | input block IB. DATA_IN contains tables and descriptors for the | |
698 | file being read. */ | |
699 | ||
700 | static void | |
701 | lto_input_ts_decl_common_tree_pointers (struct lto_input_block *ib, | |
702 | struct data_in *data_in, tree expr) | |
703 | { | |
b9393656 DN |
704 | DECL_SIZE (expr) = stream_read_tree (ib, data_in); |
705 | DECL_SIZE_UNIT (expr) = stream_read_tree (ib, data_in); | |
706 | DECL_ATTRIBUTES (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
707 | |
708 | /* Do not stream DECL_ABSTRACT_ORIGIN. We cannot handle debug information | |
709 | for early inlining so drop it on the floor instead of ICEing in | |
710 | dwarf2out.c. */ | |
711 | ||
f0efc7aa DN |
712 | if ((TREE_CODE (expr) == VAR_DECL |
713 | || TREE_CODE (expr) == PARM_DECL) | |
714 | && DECL_HAS_VALUE_EXPR_P (expr)) | |
b9393656 | 715 | SET_DECL_VALUE_EXPR (expr, stream_read_tree (ib, data_in)); |
f0efc7aa DN |
716 | |
717 | if (TREE_CODE (expr) == VAR_DECL) | |
718 | { | |
b9393656 | 719 | tree dexpr = stream_read_tree (ib, data_in); |
f0efc7aa DN |
720 | if (dexpr) |
721 | SET_DECL_DEBUG_EXPR (expr, dexpr); | |
722 | } | |
723 | } | |
724 | ||
725 | ||
726 | /* Read all pointer fields in the TS_DECL_NON_COMMON structure of | |
727 | EXPR from input block IB. DATA_IN contains tables and descriptors for the | |
728 | file being read. */ | |
729 | ||
730 | static void | |
731 | lto_input_ts_decl_non_common_tree_pointers (struct lto_input_block *ib, | |
732 | struct data_in *data_in, tree expr) | |
733 | { | |
815effe1 | 734 | if (TREE_CODE (expr) == TYPE_DECL) |
ea973bad | 735 | DECL_ORIGINAL_TYPE (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
736 | } |
737 | ||
738 | ||
739 | /* Read all pointer fields in the TS_DECL_WITH_VIS structure of EXPR | |
740 | from input block IB. DATA_IN contains tables and descriptors for the | |
741 | file being read. */ | |
742 | ||
743 | static void | |
744 | lto_input_ts_decl_with_vis_tree_pointers (struct lto_input_block *ib, | |
745 | struct data_in *data_in, tree expr) | |
746 | { | |
747 | tree id; | |
748 | ||
b9393656 | 749 | id = stream_read_tree (ib, data_in); |
f0efc7aa DN |
750 | if (id) |
751 | { | |
752 | gcc_assert (TREE_CODE (id) == IDENTIFIER_NODE); | |
753 | SET_DECL_ASSEMBLER_NAME (expr, id); | |
754 | } | |
f0efc7aa DN |
755 | } |
756 | ||
757 | ||
758 | /* Read all pointer fields in the TS_FIELD_DECL structure of EXPR from | |
759 | input block IB. DATA_IN contains tables and descriptors for the | |
760 | file being read. */ | |
761 | ||
762 | static void | |
763 | lto_input_ts_field_decl_tree_pointers (struct lto_input_block *ib, | |
764 | struct data_in *data_in, tree expr) | |
765 | { | |
b9393656 DN |
766 | DECL_FIELD_OFFSET (expr) = stream_read_tree (ib, data_in); |
767 | DECL_BIT_FIELD_TYPE (expr) = stream_read_tree (ib, data_in); | |
26c71b93 | 768 | DECL_BIT_FIELD_REPRESENTATIVE (expr) = stream_read_tree (ib, data_in); |
b9393656 DN |
769 | DECL_FIELD_BIT_OFFSET (expr) = stream_read_tree (ib, data_in); |
770 | DECL_FCONTEXT (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
771 | } |
772 | ||
773 | ||
774 | /* Read all pointer fields in the TS_FUNCTION_DECL structure of EXPR | |
775 | from input block IB. DATA_IN contains tables and descriptors for the | |
776 | file being read. */ | |
777 | ||
778 | static void | |
779 | lto_input_ts_function_decl_tree_pointers (struct lto_input_block *ib, | |
780 | struct data_in *data_in, tree expr) | |
781 | { | |
aaf8a23e JH |
782 | DECL_VINDEX (expr) = stream_read_tree (ib, data_in); |
783 | /* DECL_STRUCT_FUNCTION is loaded on demand by cgraph_get_body. */ | |
b9393656 | 784 | DECL_FUNCTION_PERSONALITY (expr) = stream_read_tree (ib, data_in); |
1b34e6e2 | 785 | #ifndef ACCEL_COMPILER |
61204ad9 | 786 | DECL_FUNCTION_SPECIFIC_TARGET (expr) = stream_read_tree (ib, data_in); |
1b34e6e2 | 787 | #endif |
b9393656 | 788 | DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
789 | |
790 | /* If the file contains a function with an EH personality set, | |
791 | then it was compiled with -fexceptions. In that case, initialize | |
792 | the backend EH machinery. */ | |
793 | if (DECL_FUNCTION_PERSONALITY (expr)) | |
794 | lto_init_eh (); | |
795 | } | |
796 | ||
797 | ||
798 | /* Read all pointer fields in the TS_TYPE_COMMON structure of EXPR from | |
799 | input block IB. DATA_IN contains tables and descriptors for the file | |
800 | being read. */ | |
801 | ||
802 | static void | |
803 | lto_input_ts_type_common_tree_pointers (struct lto_input_block *ib, | |
804 | struct data_in *data_in, tree expr) | |
805 | { | |
010f4e27 JH |
806 | TYPE_SIZE (expr) = stream_read_tree (ib, data_in); |
807 | TYPE_SIZE_UNIT (expr) = stream_read_tree (ib, data_in); | |
808 | TYPE_ATTRIBUTES (expr) = stream_read_tree (ib, data_in); | |
b9393656 | 809 | TYPE_NAME (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
810 | /* Do not stream TYPE_POINTER_TO or TYPE_REFERENCE_TO. They will be |
811 | reconstructed during fixup. */ | |
812 | /* Do not stream TYPE_NEXT_VARIANT, we reconstruct the variant lists | |
813 | during fixup. */ | |
010f4e27 JH |
814 | TYPE_MAIN_VARIANT (expr) = stream_read_tree (ib, data_in); |
815 | TYPE_CONTEXT (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
816 | /* TYPE_CANONICAL gets re-computed during type merging. */ |
817 | TYPE_CANONICAL (expr) = NULL_TREE; | |
010f4e27 | 818 | TYPE_STUB_DECL (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
819 | } |
820 | ||
821 | /* Read all pointer fields in the TS_TYPE_NON_COMMON structure of EXPR | |
822 | from input block IB. DATA_IN contains tables and descriptors for the | |
823 | file being read. */ | |
824 | ||
825 | static void | |
826 | lto_input_ts_type_non_common_tree_pointers (struct lto_input_block *ib, | |
827 | struct data_in *data_in, | |
828 | tree expr) | |
829 | { | |
010f4e27 JH |
830 | if (TREE_CODE (expr) == ENUMERAL_TYPE) |
831 | TYPE_VALUES (expr) = stream_read_tree (ib, data_in); | |
832 | else if (TREE_CODE (expr) == ARRAY_TYPE) | |
833 | TYPE_DOMAIN (expr) = stream_read_tree (ib, data_in); | |
834 | else if (RECORD_OR_UNION_TYPE_P (expr)) | |
4acd1c84 | 835 | TYPE_FIELDS (expr) = streamer_read_chain (ib, data_in); |
f0efc7aa | 836 | else if (TREE_CODE (expr) == FUNCTION_TYPE |
010f4e27 | 837 | || TREE_CODE (expr) == METHOD_TYPE) |
b9393656 | 838 | TYPE_ARG_TYPES (expr) = stream_read_tree (ib, data_in); |
010f4e27 JH |
839 | |
840 | if (!POINTER_TYPE_P (expr)) | |
841 | TYPE_MINVAL (expr) = stream_read_tree (ib, data_in); | |
842 | TYPE_MAXVAL (expr) = stream_read_tree (ib, data_in); | |
843 | if (RECORD_OR_UNION_TYPE_P (expr)) | |
844 | TYPE_BINFO (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
845 | } |
846 | ||
847 | ||
848 | /* Read all pointer fields in the TS_LIST structure of EXPR from input | |
849 | block IB. DATA_IN contains tables and descriptors for the | |
850 | file being read. */ | |
851 | ||
852 | static void | |
853 | lto_input_ts_list_tree_pointers (struct lto_input_block *ib, | |
854 | struct data_in *data_in, tree expr) | |
855 | { | |
b9393656 DN |
856 | TREE_PURPOSE (expr) = stream_read_tree (ib, data_in); |
857 | TREE_VALUE (expr) = stream_read_tree (ib, data_in); | |
ee03e71d | 858 | TREE_CHAIN (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
859 | } |
860 | ||
861 | ||
862 | /* Read all pointer fields in the TS_VEC structure of EXPR from input | |
863 | block IB. DATA_IN contains tables and descriptors for the | |
864 | file being read. */ | |
865 | ||
866 | static void | |
867 | lto_input_ts_vec_tree_pointers (struct lto_input_block *ib, | |
868 | struct data_in *data_in, tree expr) | |
869 | { | |
870 | int i; | |
871 | ||
412288f1 | 872 | /* Note that TREE_VEC_LENGTH was read by streamer_alloc_tree to |
f0efc7aa DN |
873 | instantiate EXPR. */ |
874 | for (i = 0; i < TREE_VEC_LENGTH (expr); i++) | |
b9393656 | 875 | TREE_VEC_ELT (expr, i) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
876 | } |
877 | ||
878 | ||
879 | /* Read all pointer fields in the TS_EXP structure of EXPR from input | |
880 | block IB. DATA_IN contains tables and descriptors for the | |
881 | file being read. */ | |
882 | ||
883 | ||
884 | static void | |
885 | lto_input_ts_exp_tree_pointers (struct lto_input_block *ib, | |
886 | struct data_in *data_in, tree expr) | |
887 | { | |
0127aae4 | 888 | int i; |
eaeec5ec | 889 | tree block; |
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 | |
eaeec5ec JH |
894 | block = stream_read_tree (ib, data_in); |
895 | ||
896 | /* TODO: Block is stored in the locus information. It may make more sense to | |
897 | to make it go via the location cache. */ | |
898 | if (block) | |
899 | { | |
900 | data_in->location_cache.apply_location_cache (); | |
901 | TREE_SET_BLOCK (expr, block); | |
902 | } | |
f0efc7aa DN |
903 | } |
904 | ||
905 | ||
906 | /* Read all pointer fields in the TS_BLOCK structure of EXPR from input | |
907 | block IB. DATA_IN contains tables and descriptors for the | |
908 | file being read. */ | |
909 | ||
910 | static void | |
911 | lto_input_ts_block_tree_pointers (struct lto_input_block *ib, | |
912 | struct data_in *data_in, tree expr) | |
913 | { | |
412288f1 | 914 | BLOCK_VARS (expr) = streamer_read_chain (ib, data_in); |
f0efc7aa | 915 | |
b9393656 | 916 | BLOCK_SUPERCONTEXT (expr) = stream_read_tree (ib, data_in); |
f0efc7aa | 917 | |
5c1eb617 RG |
918 | /* Stream BLOCK_ABSTRACT_ORIGIN and BLOCK_SOURCE_LOCATION for |
919 | the limited cases we can handle - those that represent inlined | |
920 | function scopes. For the rest them on the floor instead of ICEing in | |
f0efc7aa | 921 | dwarf2out.c. */ |
5c1eb617 | 922 | BLOCK_ABSTRACT_ORIGIN (expr) = stream_read_tree (ib, data_in); |
5c1eb617 RG |
923 | /* Do not stream BLOCK_NONLOCALIZED_VARS. We cannot handle debug information |
924 | for early inlined BLOCKs so drop it on the floor instead of ICEing in | |
925 | dwarf2out.c. */ | |
926 | ||
927 | /* BLOCK_FRAGMENT_ORIGIN and BLOCK_FRAGMENT_CHAIN is not live at LTO | |
928 | streaming time. */ | |
f0efc7aa DN |
929 | |
930 | /* We re-compute BLOCK_SUBBLOCKS of our parent here instead | |
931 | of streaming it. For non-BLOCK BLOCK_SUPERCONTEXTs we still | |
932 | stream the child relationship explicitly. */ | |
933 | if (BLOCK_SUPERCONTEXT (expr) | |
934 | && TREE_CODE (BLOCK_SUPERCONTEXT (expr)) == BLOCK) | |
935 | { | |
936 | BLOCK_CHAIN (expr) = BLOCK_SUBBLOCKS (BLOCK_SUPERCONTEXT (expr)); | |
937 | BLOCK_SUBBLOCKS (BLOCK_SUPERCONTEXT (expr)) = expr; | |
938 | } | |
939 | ||
940 | /* The global block is rooted at the TU decl. Hook it here to | |
941 | avoid the need to stream in this block during WPA time. */ | |
942 | else if (BLOCK_SUPERCONTEXT (expr) | |
943 | && TREE_CODE (BLOCK_SUPERCONTEXT (expr)) == TRANSLATION_UNIT_DECL) | |
944 | DECL_INITIAL (BLOCK_SUPERCONTEXT (expr)) = expr; | |
945 | ||
946 | /* The function-level block is connected at the time we read in | |
947 | function bodies for the same reason. */ | |
948 | } | |
949 | ||
950 | ||
951 | /* Read all pointer fields in the TS_BINFO structure of EXPR from input | |
952 | block IB. DATA_IN contains tables and descriptors for the | |
953 | file being read. */ | |
954 | ||
955 | static void | |
956 | lto_input_ts_binfo_tree_pointers (struct lto_input_block *ib, | |
957 | struct data_in *data_in, tree expr) | |
958 | { | |
0127aae4 | 959 | unsigned i; |
f0efc7aa DN |
960 | tree t; |
961 | ||
962 | /* Note that the number of slots in EXPR was read in | |
412288f1 | 963 | streamer_alloc_tree when instantiating EXPR. However, the |
9771b263 | 964 | vector is empty so we cannot rely on vec::length to know how many |
f0efc7aa DN |
965 | elements to read. So, this list is emitted as a 0-terminated |
966 | list on the writer side. */ | |
967 | do | |
968 | { | |
b9393656 | 969 | t = stream_read_tree (ib, data_in); |
f0efc7aa | 970 | if (t) |
9771b263 | 971 | BINFO_BASE_BINFOS (expr)->quick_push (t); |
f0efc7aa DN |
972 | } |
973 | while (t); | |
974 | ||
b9393656 DN |
975 | BINFO_OFFSET (expr) = stream_read_tree (ib, data_in); |
976 | BINFO_VTABLE (expr) = stream_read_tree (ib, data_in); | |
b9393656 | 977 | BINFO_VPTR_FIELD (expr) = stream_read_tree (ib, data_in); |
f0efc7aa | 978 | |
0127aae4 RG |
979 | /* The vector of BINFO_BASE_ACCESSES is pre-allocated during |
980 | unpacking the bitfield section. */ | |
9771b263 | 981 | for (i = 0; i < vec_safe_length (BINFO_BASE_ACCESSES (expr)); i++) |
f0efc7aa | 982 | { |
0127aae4 | 983 | tree a = stream_read_tree (ib, data_in); |
9771b263 | 984 | (*BINFO_BASE_ACCESSES (expr))[i] = a; |
f0efc7aa | 985 | } |
184799e7 JH |
986 | /* Do not walk BINFO_INHERITANCE_CHAIN, BINFO_SUBVTT_INDEX |
987 | and BINFO_VPTR_INDEX; these are used by C++ FE only. */ | |
f0efc7aa DN |
988 | } |
989 | ||
990 | ||
991 | /* Read all pointer fields in the TS_CONSTRUCTOR structure of EXPR from | |
992 | input block IB. DATA_IN contains tables and descriptors for the | |
993 | file being read. */ | |
994 | ||
995 | static void | |
996 | lto_input_ts_constructor_tree_pointers (struct lto_input_block *ib, | |
997 | struct data_in *data_in, tree expr) | |
998 | { | |
0127aae4 | 999 | unsigned i; |
f0efc7aa | 1000 | |
0127aae4 | 1001 | for (i = 0; i < CONSTRUCTOR_NELTS (expr); i++) |
f0efc7aa | 1002 | { |
0127aae4 RG |
1003 | constructor_elt e; |
1004 | e.index = stream_read_tree (ib, data_in); | |
1005 | e.value = stream_read_tree (ib, data_in); | |
9771b263 | 1006 | (*CONSTRUCTOR_ELTS (expr))[i] = e; |
f0efc7aa DN |
1007 | } |
1008 | } | |
1009 | ||
1010 | ||
c193f58b JJ |
1011 | /* Read all pointer fields in the TS_OMP_CLAUSE structure of EXPR from |
1012 | input block IB. DATA_IN contains tables and descriptors for the | |
1013 | file being read. */ | |
1014 | ||
1015 | static void | |
1016 | lto_input_ts_omp_clause_tree_pointers (struct lto_input_block *ib, | |
1017 | struct data_in *data_in, tree expr) | |
1018 | { | |
1019 | int i; | |
1020 | ||
1021 | for (i = 0; i < omp_clause_num_ops[OMP_CLAUSE_CODE (expr)]; i++) | |
1022 | OMP_CLAUSE_OPERAND (expr, i) = stream_read_tree (ib, data_in); | |
1023 | OMP_CLAUSE_CHAIN (expr) = stream_read_tree (ib, data_in); | |
1024 | } | |
1025 | ||
1026 | ||
b9393656 DN |
1027 | /* Read all pointer fields in EXPR from input block IB. DATA_IN |
1028 | contains tables and descriptors for the file being read. */ | |
f0efc7aa | 1029 | |
b9393656 | 1030 | void |
412288f1 | 1031 | streamer_read_tree_body (struct lto_input_block *ib, struct data_in *data_in, |
f0efc7aa DN |
1032 | tree expr) |
1033 | { | |
1034 | enum tree_code code; | |
1035 | ||
1036 | code = TREE_CODE (expr); | |
1037 | ||
1038 | if (CODE_CONTAINS_STRUCT (code, TS_TYPED)) | |
1039 | lto_input_ts_common_tree_pointers (ib, data_in, expr); | |
1040 | ||
1041 | if (CODE_CONTAINS_STRUCT (code, TS_VECTOR)) | |
1042 | lto_input_ts_vector_tree_pointers (ib, data_in, expr); | |
1043 | ||
1044 | if (CODE_CONTAINS_STRUCT (code, TS_COMPLEX)) | |
1045 | lto_input_ts_complex_tree_pointers (ib, data_in, expr); | |
1046 | ||
1047 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL)) | |
1048 | lto_input_ts_decl_minimal_tree_pointers (ib, data_in, expr); | |
1049 | ||
1050 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON)) | |
1051 | lto_input_ts_decl_common_tree_pointers (ib, data_in, expr); | |
1052 | ||
1053 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_NON_COMMON)) | |
1054 | lto_input_ts_decl_non_common_tree_pointers (ib, data_in, expr); | |
1055 | ||
1056 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS)) | |
1057 | lto_input_ts_decl_with_vis_tree_pointers (ib, data_in, expr); | |
1058 | ||
1059 | if (CODE_CONTAINS_STRUCT (code, TS_FIELD_DECL)) | |
1060 | lto_input_ts_field_decl_tree_pointers (ib, data_in, expr); | |
1061 | ||
1062 | if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL)) | |
1063 | lto_input_ts_function_decl_tree_pointers (ib, data_in, expr); | |
1064 | ||
1065 | if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON)) | |
1066 | lto_input_ts_type_common_tree_pointers (ib, data_in, expr); | |
1067 | ||
1068 | if (CODE_CONTAINS_STRUCT (code, TS_TYPE_NON_COMMON)) | |
1069 | lto_input_ts_type_non_common_tree_pointers (ib, data_in, expr); | |
1070 | ||
1071 | if (CODE_CONTAINS_STRUCT (code, TS_LIST)) | |
1072 | lto_input_ts_list_tree_pointers (ib, data_in, expr); | |
1073 | ||
1074 | if (CODE_CONTAINS_STRUCT (code, TS_VEC)) | |
1075 | lto_input_ts_vec_tree_pointers (ib, data_in, expr); | |
1076 | ||
1077 | if (CODE_CONTAINS_STRUCT (code, TS_EXP)) | |
1078 | lto_input_ts_exp_tree_pointers (ib, data_in, expr); | |
1079 | ||
1080 | if (CODE_CONTAINS_STRUCT (code, TS_BLOCK)) | |
1081 | lto_input_ts_block_tree_pointers (ib, data_in, expr); | |
1082 | ||
1083 | if (CODE_CONTAINS_STRUCT (code, TS_BINFO)) | |
1084 | lto_input_ts_binfo_tree_pointers (ib, data_in, expr); | |
1085 | ||
1086 | if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR)) | |
1087 | lto_input_ts_constructor_tree_pointers (ib, data_in, expr); | |
c193f58b JJ |
1088 | |
1089 | if (code == OMP_CLAUSE) | |
1090 | lto_input_ts_omp_clause_tree_pointers (ib, data_in, expr); | |
f0efc7aa DN |
1091 | } |
1092 | ||
1093 | ||
f0efc7aa DN |
1094 | /* Read an index IX from input block IB and return the tree node at |
1095 | DATA_IN->FILE_DATA->GLOBALS_INDEX[IX]. */ | |
1096 | ||
b9393656 | 1097 | tree |
412288f1 | 1098 | streamer_get_pickled_tree (struct lto_input_block *ib, struct data_in *data_in) |
f0efc7aa DN |
1099 | { |
1100 | unsigned HOST_WIDE_INT ix; | |
1101 | tree result; | |
1102 | enum LTO_tags expected_tag; | |
1103 | ||
412288f1 DN |
1104 | ix = streamer_read_uhwi (ib); |
1105 | expected_tag = streamer_read_enum (ib, LTO_tags, LTO_NUM_TAGS); | |
f0efc7aa | 1106 | |
ee03e71d | 1107 | result = streamer_tree_cache_get_tree (data_in->reader_cache, ix); |
f0efc7aa DN |
1108 | gcc_assert (result |
1109 | && TREE_CODE (result) == lto_tag_to_tree_code (expected_tag)); | |
1110 | ||
1111 | return result; | |
1112 | } | |
1113 | ||
1114 | ||
1115 | /* Read a code and class from input block IB and return the | |
b9393656 | 1116 | corresponding builtin. DATA_IN is as in stream_read_tree. */ |
f0efc7aa | 1117 | |
b9393656 | 1118 | tree |
412288f1 | 1119 | streamer_get_builtin_tree (struct lto_input_block *ib, struct data_in *data_in) |
f0efc7aa DN |
1120 | { |
1121 | enum built_in_class fclass; | |
1122 | enum built_in_function fcode; | |
1123 | const char *asmname; | |
1124 | tree result; | |
1125 | ||
412288f1 | 1126 | fclass = streamer_read_enum (ib, built_in_class, BUILT_IN_LAST); |
f0efc7aa DN |
1127 | gcc_assert (fclass == BUILT_IN_NORMAL || fclass == BUILT_IN_MD); |
1128 | ||
412288f1 | 1129 | fcode = (enum built_in_function) streamer_read_uhwi (ib); |
f0efc7aa DN |
1130 | |
1131 | if (fclass == BUILT_IN_NORMAL) | |
1132 | { | |
1133 | if (fcode >= END_BUILTINS) | |
40fecdd6 JM |
1134 | fatal_error (input_location, |
1135 | "machine independent builtin code out of range"); | |
e79983f4 | 1136 | result = builtin_decl_explicit (fcode); |
edcf72f3 IE |
1137 | if (!result |
1138 | && fcode > BEGIN_CHKP_BUILTINS | |
1139 | && fcode < END_CHKP_BUILTINS) | |
1140 | { | |
1141 | fcode = (enum built_in_function) (fcode - BEGIN_CHKP_BUILTINS - 1); | |
1142 | result = builtin_decl_explicit (fcode); | |
1143 | result = chkp_maybe_clone_builtin_fndecl (result); | |
1144 | } | |
f0efc7aa DN |
1145 | gcc_assert (result); |
1146 | } | |
1147 | else if (fclass == BUILT_IN_MD) | |
1148 | { | |
1149 | result = targetm.builtin_decl (fcode, true); | |
1150 | if (!result || result == error_mark_node) | |
40fecdd6 | 1151 | fatal_error (input_location, "target specific builtin not available"); |
f0efc7aa DN |
1152 | } |
1153 | else | |
1154 | gcc_unreachable (); | |
1155 | ||
412288f1 | 1156 | asmname = streamer_read_string (data_in, ib); |
f0efc7aa DN |
1157 | if (asmname) |
1158 | set_builtin_user_assembler_name (result, asmname); | |
1159 | ||
ee03e71d | 1160 | streamer_tree_cache_append (data_in->reader_cache, result, 0); |
f0efc7aa DN |
1161 | |
1162 | return result; | |
1163 | } |