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Commit | Line | Data |
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f0efc7aa DN |
1 | /* Routines for reading trees from a file stream. |
2 | ||
a5544970 | 3 | Copyright (C) 2011-2019 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" |
41dbbb37 | 33 | #include "gomp-constants.h" |
314e6352 ML |
34 | #include "stringpool.h" |
35 | #include "attribs.h" | |
8f91e6e0 | 36 | #include "asan.h" |
3cd36125 | 37 | #include "opts.h" |
41dbbb37 | 38 | |
f0efc7aa DN |
39 | |
40 | /* Read a STRING_CST from the string table in DATA_IN using input | |
41 | block IB. */ | |
42 | ||
43 | tree | |
412288f1 | 44 | streamer_read_string_cst (struct data_in *data_in, struct lto_input_block *ib) |
f0efc7aa DN |
45 | { |
46 | unsigned int len; | |
47 | const char * ptr; | |
48 | ||
412288f1 | 49 | ptr = streamer_read_indexed_string (data_in, ib, &len); |
f0efc7aa DN |
50 | if (!ptr) |
51 | return NULL; | |
52 | return build_string (len, ptr); | |
53 | } | |
54 | ||
55 | ||
56 | /* Read an IDENTIFIER from the string table in DATA_IN using input | |
57 | block IB. */ | |
58 | ||
59 | static tree | |
60 | input_identifier (struct data_in *data_in, struct lto_input_block *ib) | |
61 | { | |
62 | unsigned int len; | |
63 | const char *ptr; | |
64 | ||
412288f1 | 65 | ptr = streamer_read_indexed_string (data_in, ib, &len); |
f0efc7aa DN |
66 | if (!ptr) |
67 | return NULL; | |
68 | return get_identifier_with_length (ptr, len); | |
69 | } | |
70 | ||
71 | ||
72 | /* Read a chain of tree nodes from input block IB. DATA_IN contains | |
73 | tables and descriptors for the file being read. */ | |
74 | ||
412288f1 DN |
75 | tree |
76 | streamer_read_chain (struct lto_input_block *ib, struct data_in *data_in) | |
f0efc7aa | 77 | { |
f0efc7aa DN |
78 | tree first, prev, curr; |
79 | ||
0127aae4 | 80 | /* The chain is written as NULL terminated list of trees. */ |
f0efc7aa | 81 | first = prev = NULL_TREE; |
0127aae4 | 82 | do |
f0efc7aa | 83 | { |
b9393656 | 84 | curr = stream_read_tree (ib, data_in); |
f0efc7aa DN |
85 | if (prev) |
86 | TREE_CHAIN (prev) = curr; | |
87 | else | |
88 | first = curr; | |
89 | ||
f0efc7aa DN |
90 | prev = curr; |
91 | } | |
0127aae4 | 92 | while (curr); |
f0efc7aa DN |
93 | |
94 | return first; | |
95 | } | |
96 | ||
97 | ||
98 | /* Unpack all the non-pointer fields of the TS_BASE structure of | |
99 | expression EXPR from bitpack BP. */ | |
100 | ||
b6bf201e | 101 | static inline void |
f0efc7aa DN |
102 | unpack_ts_base_value_fields (struct bitpack_d *bp, tree expr) |
103 | { | |
104 | /* Note that the code for EXPR has already been unpacked to create EXPR in | |
412288f1 | 105 | streamer_alloc_tree. */ |
f0efc7aa DN |
106 | if (!TYPE_P (expr)) |
107 | { | |
108 | TREE_SIDE_EFFECTS (expr) = (unsigned) bp_unpack_value (bp, 1); | |
109 | TREE_CONSTANT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
110 | TREE_READONLY (expr) = (unsigned) bp_unpack_value (bp, 1); | |
111 | ||
112 | /* TREE_PUBLIC is used on types to indicate that the type | |
113 | has a TYPE_CACHED_VALUES vector. This is not streamed out, | |
114 | so we skip it here. */ | |
115 | TREE_PUBLIC (expr) = (unsigned) bp_unpack_value (bp, 1); | |
116 | } | |
117 | else | |
118 | bp_unpack_value (bp, 4); | |
119 | TREE_ADDRESSABLE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
120 | TREE_THIS_VOLATILE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
121 | if (DECL_P (expr)) | |
02ef53f2 RB |
122 | { |
123 | DECL_UNSIGNED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
124 | DECL_NAMELESS (expr) = (unsigned) bp_unpack_value (bp, 1); | |
125 | } | |
f0efc7aa DN |
126 | else if (TYPE_P (expr)) |
127 | TYPE_UNSIGNED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
128 | else | |
129 | bp_unpack_value (bp, 1); | |
130 | TREE_ASM_WRITTEN (expr) = (unsigned) bp_unpack_value (bp, 1); | |
131 | if (TYPE_P (expr)) | |
132 | TYPE_ARTIFICIAL (expr) = (unsigned) bp_unpack_value (bp, 1); | |
133 | else | |
134 | TREE_NO_WARNING (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa DN |
135 | TREE_NOTHROW (expr) = (unsigned) bp_unpack_value (bp, 1); |
136 | TREE_STATIC (expr) = (unsigned) bp_unpack_value (bp, 1); | |
ee03e71d RB |
137 | if (TREE_CODE (expr) != TREE_BINFO) |
138 | TREE_PRIVATE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
b6bf201e RB |
139 | else |
140 | bp_unpack_value (bp, 1); | |
f0efc7aa DN |
141 | TREE_PROTECTED (expr) = (unsigned) bp_unpack_value (bp, 1); |
142 | TREE_DEPRECATED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
143 | if (TYPE_P (expr)) | |
875b35b4 | 144 | { |
ee45a32d EB |
145 | if (AGGREGATE_TYPE_P (expr)) |
146 | TYPE_REVERSE_STORAGE_ORDER (expr) = (unsigned) bp_unpack_value (bp, 1); | |
147 | else | |
148 | TYPE_SATURATING (expr) = (unsigned) bp_unpack_value (bp, 1); | |
875b35b4 DN |
149 | TYPE_ADDR_SPACE (expr) = (unsigned) bp_unpack_value (bp, 8); |
150 | } | |
ee45a32d | 151 | else if (TREE_CODE (expr) == BIT_FIELD_REF || TREE_CODE (expr) == MEM_REF) |
7b95c729 EB |
152 | { |
153 | REF_REVERSE_STORAGE_ORDER (expr) = (unsigned) bp_unpack_value (bp, 1); | |
154 | bp_unpack_value (bp, 8); | |
155 | } | |
f0efc7aa | 156 | else if (TREE_CODE (expr) == SSA_NAME) |
b6bf201e RB |
157 | { |
158 | SSA_NAME_IS_DEFAULT_DEF (expr) = (unsigned) bp_unpack_value (bp, 1); | |
159 | bp_unpack_value (bp, 8); | |
160 | } | |
7f29dafe RB |
161 | else if (TREE_CODE (expr) == CALL_EXPR) |
162 | { | |
163 | CALL_EXPR_BY_DESCRIPTOR (expr) = (unsigned) bp_unpack_value (bp, 1); | |
164 | bp_unpack_value (bp, 8); | |
165 | } | |
f0efc7aa | 166 | else |
b6bf201e | 167 | bp_unpack_value (bp, 9); |
f0efc7aa DN |
168 | } |
169 | ||
170 | ||
c61f8c3b RG |
171 | /* Unpack all the non-pointer fields of the TS_INT_CST structure of |
172 | expression EXPR from bitpack BP. */ | |
173 | ||
174 | static void | |
175 | unpack_ts_int_cst_value_fields (struct bitpack_d *bp, tree expr) | |
176 | { | |
807e902e KZ |
177 | int i; |
178 | for (i = 0; i < TREE_INT_CST_EXT_NUNITS (expr); i++) | |
179 | TREE_INT_CST_ELT (expr, i) = bp_unpack_var_len_int (bp); | |
c61f8c3b RG |
180 | } |
181 | ||
182 | ||
f0efc7aa DN |
183 | /* Unpack all the non-pointer fields of the TS_REAL_CST structure of |
184 | expression EXPR from bitpack BP. */ | |
185 | ||
186 | static void | |
187 | unpack_ts_real_cst_value_fields (struct bitpack_d *bp, tree expr) | |
188 | { | |
189 | unsigned i; | |
190 | REAL_VALUE_TYPE r; | |
191 | REAL_VALUE_TYPE *rp; | |
192 | ||
a822564d JJ |
193 | /* Clear all bits of the real value type so that we can later do |
194 | bitwise comparisons to see if two values are the same. */ | |
195 | memset (&r, 0, sizeof r); | |
f0efc7aa DN |
196 | r.cl = (unsigned) bp_unpack_value (bp, 2); |
197 | r.decimal = (unsigned) bp_unpack_value (bp, 1); | |
198 | r.sign = (unsigned) bp_unpack_value (bp, 1); | |
199 | r.signalling = (unsigned) bp_unpack_value (bp, 1); | |
200 | r.canonical = (unsigned) bp_unpack_value (bp, 1); | |
201 | r.uexp = (unsigned) bp_unpack_value (bp, EXP_BITS); | |
202 | for (i = 0; i < SIGSZ; i++) | |
203 | r.sig[i] = (unsigned long) bp_unpack_value (bp, HOST_BITS_PER_LONG); | |
204 | ||
766090c2 | 205 | rp = ggc_alloc<real_value> (); |
f0efc7aa DN |
206 | memcpy (rp, &r, sizeof (REAL_VALUE_TYPE)); |
207 | TREE_REAL_CST_PTR (expr) = rp; | |
208 | } | |
209 | ||
210 | ||
211 | /* Unpack all the non-pointer fields of the TS_FIXED_CST structure of | |
212 | expression EXPR from bitpack BP. */ | |
213 | ||
214 | static void | |
215 | unpack_ts_fixed_cst_value_fields (struct bitpack_d *bp, tree expr) | |
216 | { | |
766090c2 | 217 | FIXED_VALUE_TYPE *fp = ggc_alloc<fixed_value> (); |
382615c6 | 218 | fp->mode = as_a <scalar_mode> (bp_unpack_machine_mode (bp)); |
f57f20bb RG |
219 | fp->data.low = bp_unpack_var_len_int (bp); |
220 | fp->data.high = bp_unpack_var_len_int (bp); | |
221 | TREE_FIXED_CST_PTR (expr) = fp; | |
f0efc7aa DN |
222 | } |
223 | ||
f0efc7aa DN |
224 | /* Unpack all the non-pointer fields of the TS_DECL_COMMON structure |
225 | of expression EXPR from bitpack BP. */ | |
226 | ||
227 | static void | |
228 | unpack_ts_decl_common_value_fields (struct bitpack_d *bp, tree expr) | |
229 | { | |
899ca90e | 230 | SET_DECL_MODE (expr, bp_unpack_machine_mode (bp)); |
f0efc7aa DN |
231 | DECL_NONLOCAL (expr) = (unsigned) bp_unpack_value (bp, 1); |
232 | DECL_VIRTUAL_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
233 | DECL_IGNORED_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
00de328a | 234 | DECL_ABSTRACT_P (expr) = (unsigned) bp_unpack_value (bp, 1); |
f0efc7aa DN |
235 | DECL_ARTIFICIAL (expr) = (unsigned) bp_unpack_value (bp, 1); |
236 | DECL_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, 1); | |
237 | DECL_PRESERVE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa DN |
238 | DECL_EXTERNAL (expr) = (unsigned) bp_unpack_value (bp, 1); |
239 | DECL_GIMPLE_REG_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
fe37c7af | 240 | SET_DECL_ALIGN (expr, (unsigned) bp_unpack_var_len_unsigned (bp)); |
6d2b7199 BS |
241 | #ifdef ACCEL_COMPILER |
242 | if (DECL_ALIGN (expr) > targetm.absolute_biggest_alignment) | |
fe37c7af | 243 | SET_DECL_ALIGN (expr, targetm.absolute_biggest_alignment); |
6d2b7199 | 244 | #endif |
f0efc7aa DN |
245 | if (TREE_CODE (expr) == LABEL_DECL) |
246 | { | |
f0efc7aa DN |
247 | EH_LANDING_PAD_NR (expr) = (int) bp_unpack_var_len_unsigned (bp); |
248 | ||
249 | /* Always assume an initial value of -1 for LABEL_DECL_UID to | |
250 | force gimple_set_bb to recreate label_to_block_map. */ | |
251 | LABEL_DECL_UID (expr) = -1; | |
252 | } | |
253 | ||
254 | if (TREE_CODE (expr) == FIELD_DECL) | |
255 | { | |
256 | DECL_PACKED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
257 | DECL_NONADDRESSABLE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
974aedcc | 258 | DECL_PADDING_P (expr) = (unsigned) bp_unpack_value (bp, 1); |
f0efc7aa DN |
259 | expr->decl_common.off_align = bp_unpack_value (bp, 8); |
260 | } | |
261 | ||
8813a647 | 262 | if (VAR_P (expr)) |
839b422f RB |
263 | { |
264 | DECL_HAS_DEBUG_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
265 | DECL_NONLOCAL_FRAME (expr) = (unsigned) bp_unpack_value (bp, 1); | |
266 | } | |
0f1e8842 | 267 | |
f0efc7aa DN |
268 | if (TREE_CODE (expr) == RESULT_DECL |
269 | || TREE_CODE (expr) == PARM_DECL | |
8813a647 | 270 | || VAR_P (expr)) |
f0efc7aa DN |
271 | { |
272 | DECL_BY_REFERENCE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
8813a647 | 273 | if (VAR_P (expr) || TREE_CODE (expr) == PARM_DECL) |
f0efc7aa | 274 | DECL_HAS_VALUE_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1); |
f0efc7aa DN |
275 | } |
276 | } | |
277 | ||
278 | ||
279 | /* Unpack all the non-pointer fields of the TS_DECL_WRTL structure | |
280 | of expression EXPR from bitpack BP. */ | |
281 | ||
282 | static void | |
283 | unpack_ts_decl_wrtl_value_fields (struct bitpack_d *bp, tree expr) | |
284 | { | |
285 | DECL_REGISTER (expr) = (unsigned) bp_unpack_value (bp, 1); | |
286 | } | |
287 | ||
288 | ||
289 | /* Unpack all the non-pointer fields of the TS_DECL_WITH_VIS structure | |
290 | of expression EXPR from bitpack BP. */ | |
291 | ||
292 | static void | |
293 | unpack_ts_decl_with_vis_value_fields (struct bitpack_d *bp, tree expr) | |
294 | { | |
f0efc7aa DN |
295 | DECL_COMMON (expr) = (unsigned) bp_unpack_value (bp, 1); |
296 | DECL_DLLIMPORT_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
297 | DECL_WEAK (expr) = (unsigned) bp_unpack_value (bp, 1); | |
298 | DECL_SEEN_IN_BIND_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
299 | DECL_COMDAT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
300 | DECL_VISIBILITY (expr) = (enum symbol_visibility) bp_unpack_value (bp, 2); | |
301 | DECL_VISIBILITY_SPECIFIED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
302 | ||
8813a647 | 303 | if (VAR_P (expr)) |
f0efc7aa DN |
304 | { |
305 | DECL_HARD_REGISTER (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa | 306 | DECL_IN_CONSTANT_POOL (expr) = (unsigned) bp_unpack_value (bp, 1); |
f0efc7aa DN |
307 | } |
308 | ||
0170f33c JH |
309 | if (TREE_CODE (expr) == FUNCTION_DECL) |
310 | { | |
311 | DECL_FINAL_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
312 | DECL_CXX_CONSTRUCTOR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
313 | DECL_CXX_DESTRUCTOR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
314 | } | |
f0efc7aa DN |
315 | } |
316 | ||
317 | ||
318 | /* Unpack all the non-pointer fields of the TS_FUNCTION_DECL structure | |
319 | of expression EXPR from bitpack BP. */ | |
320 | ||
321 | static void | |
322 | unpack_ts_function_decl_value_fields (struct bitpack_d *bp, tree expr) | |
323 | { | |
324 | DECL_BUILT_IN_CLASS (expr) = bp_unpack_enum (bp, built_in_class, | |
325 | BUILT_IN_LAST); | |
326 | DECL_STATIC_CONSTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, 1); | |
327 | DECL_STATIC_DESTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, 1); | |
328 | DECL_UNINLINABLE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
329 | DECL_POSSIBLY_INLINED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
330 | DECL_IS_NOVOPS (expr) = (unsigned) bp_unpack_value (bp, 1); | |
331 | DECL_IS_RETURNS_TWICE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
332 | DECL_IS_MALLOC (expr) = (unsigned) bp_unpack_value (bp, 1); | |
333 | DECL_IS_OPERATOR_NEW (expr) = (unsigned) bp_unpack_value (bp, 1); | |
334 | DECL_DECLARED_INLINE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
335 | DECL_STATIC_CHAIN (expr) = (unsigned) bp_unpack_value (bp, 1); | |
336 | DECL_NO_INLINE_WARNING_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
337 | DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (expr) | |
338 | = (unsigned) bp_unpack_value (bp, 1); | |
339 | DECL_NO_LIMIT_STACK (expr) = (unsigned) bp_unpack_value (bp, 1); | |
340 | DECL_DISREGARD_INLINE_LIMITS (expr) = (unsigned) bp_unpack_value (bp, 1); | |
341 | DECL_PURE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
342 | DECL_LOOPING_CONST_OR_PURE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
343 | if (DECL_BUILT_IN_CLASS (expr) != NOT_BUILT_IN) | |
344 | { | |
345 | DECL_FUNCTION_CODE (expr) = (enum built_in_function) bp_unpack_value (bp, | |
3c350d48 | 346 | 12); |
f0efc7aa DN |
347 | if (DECL_BUILT_IN_CLASS (expr) == BUILT_IN_NORMAL |
348 | && DECL_FUNCTION_CODE (expr) >= END_BUILTINS) | |
40fecdd6 JM |
349 | fatal_error (input_location, |
350 | "machine independent builtin code out of range"); | |
f0efc7aa DN |
351 | else if (DECL_BUILT_IN_CLASS (expr) == BUILT_IN_MD) |
352 | { | |
353 | tree result = targetm.builtin_decl (DECL_FUNCTION_CODE (expr), true); | |
354 | if (!result || result == error_mark_node) | |
40fecdd6 JM |
355 | fatal_error (input_location, |
356 | "target specific builtin not available"); | |
f0efc7aa DN |
357 | } |
358 | } | |
f0efc7aa DN |
359 | } |
360 | ||
361 | ||
362 | /* Unpack all the non-pointer fields of the TS_TYPE_COMMON structure | |
363 | of expression EXPR from bitpack BP. */ | |
364 | ||
365 | static void | |
366 | unpack_ts_type_common_value_fields (struct bitpack_d *bp, tree expr) | |
367 | { | |
ef4bddc2 | 368 | machine_mode mode; |
f0efc7aa | 369 | |
db847fa8 | 370 | mode = bp_unpack_machine_mode (bp); |
f0efc7aa DN |
371 | SET_TYPE_MODE (expr, mode); |
372 | TYPE_STRING_FLAG (expr) = (unsigned) bp_unpack_value (bp, 1); | |
351d90f4 JH |
373 | /* TYPE_NO_FORCE_BLK is private to stor-layout and need |
374 | no streaming. */ | |
ba6a6a1d JH |
375 | TYPE_PACKED (expr) = (unsigned) bp_unpack_value (bp, 1); |
376 | TYPE_RESTRICT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
377 | TYPE_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, 1); | |
378 | TYPE_READONLY (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa | 379 | if (RECORD_OR_UNION_TYPE_P (expr)) |
0170f33c JH |
380 | { |
381 | TYPE_TRANSPARENT_AGGR (expr) = (unsigned) bp_unpack_value (bp, 1); | |
382 | TYPE_FINAL_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
383 | } | |
04208228 EB |
384 | else if (TREE_CODE (expr) == ARRAY_TYPE) |
385 | TYPE_NONALIASED_COMPONENT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
350792ff RB |
386 | if (AGGREGATE_TYPE_P (expr)) |
387 | TYPE_TYPELESS_STORAGE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
974aedcc | 388 | TYPE_EMPTY_P (expr) = (unsigned) bp_unpack_value (bp, 1); |
f0efc7aa | 389 | TYPE_PRECISION (expr) = bp_unpack_var_len_unsigned (bp); |
fe37c7af | 390 | SET_TYPE_ALIGN (expr, bp_unpack_var_len_unsigned (bp)); |
6d2b7199 BS |
391 | #ifdef ACCEL_COMPILER |
392 | if (TYPE_ALIGN (expr) > targetm.absolute_biggest_alignment) | |
fe37c7af | 393 | SET_TYPE_ALIGN (expr, targetm.absolute_biggest_alignment); |
6d2b7199 | 394 | #endif |
f0efc7aa DN |
395 | } |
396 | ||
397 | ||
398 | /* Unpack all the non-pointer fields of the TS_BLOCK structure | |
399 | of expression EXPR from bitpack BP. */ | |
400 | ||
401 | static void | |
7cb7d208 RB |
402 | unpack_ts_block_value_fields (struct data_in *data_in, |
403 | struct bitpack_d *bp, tree expr) | |
f0efc7aa | 404 | { |
f0efc7aa | 405 | /* BLOCK_NUMBER is recomputed. */ |
eaeec5ec | 406 | stream_input_location (&BLOCK_SOURCE_LOCATION (expr), bp, data_in); |
f0efc7aa DN |
407 | } |
408 | ||
409 | /* Unpack all the non-pointer fields of the TS_TRANSLATION_UNIT_DECL | |
410 | structure of expression EXPR from bitpack BP. */ | |
411 | ||
412 | static void | |
8135e1e6 RB |
413 | unpack_ts_translation_unit_decl_value_fields (struct data_in *data_in, |
414 | struct bitpack_d *bp, tree expr) | |
f0efc7aa | 415 | { |
8135e1e6 | 416 | TRANSLATION_UNIT_LANGUAGE (expr) = xstrdup (bp_unpack_string (data_in, bp)); |
9771b263 | 417 | vec_safe_push (all_translation_units, expr); |
f0efc7aa DN |
418 | } |
419 | ||
0889c5c3 | 420 | |
c193f58b JJ |
421 | /* Unpack all the non-pointer fields of the TS_OMP_CLAUSE |
422 | structure of expression EXPR from bitpack BP. */ | |
423 | ||
424 | static void | |
425 | unpack_ts_omp_clause_value_fields (struct data_in *data_in, | |
426 | struct bitpack_d *bp, tree expr) | |
427 | { | |
eaeec5ec | 428 | stream_input_location (&OMP_CLAUSE_LOCATION (expr), bp, data_in); |
c193f58b JJ |
429 | switch (OMP_CLAUSE_CODE (expr)) |
430 | { | |
431 | case OMP_CLAUSE_DEFAULT: | |
432 | OMP_CLAUSE_DEFAULT_KIND (expr) | |
433 | = bp_unpack_enum (bp, omp_clause_default_kind, | |
434 | OMP_CLAUSE_DEFAULT_LAST); | |
435 | break; | |
436 | case OMP_CLAUSE_SCHEDULE: | |
437 | OMP_CLAUSE_SCHEDULE_KIND (expr) | |
438 | = bp_unpack_enum (bp, omp_clause_schedule_kind, | |
439 | OMP_CLAUSE_SCHEDULE_LAST); | |
440 | break; | |
441 | case OMP_CLAUSE_DEPEND: | |
442 | OMP_CLAUSE_DEPEND_KIND (expr) | |
443 | = bp_unpack_enum (bp, omp_clause_depend_kind, OMP_CLAUSE_DEPEND_LAST); | |
444 | break; | |
445 | case OMP_CLAUSE_MAP: | |
41dbbb37 TS |
446 | OMP_CLAUSE_SET_MAP_KIND (expr, bp_unpack_enum (bp, gomp_map_kind, |
447 | GOMP_MAP_LAST)); | |
c193f58b JJ |
448 | break; |
449 | case OMP_CLAUSE_PROC_BIND: | |
450 | OMP_CLAUSE_PROC_BIND_KIND (expr) | |
451 | = bp_unpack_enum (bp, omp_clause_proc_bind_kind, | |
452 | OMP_CLAUSE_PROC_BIND_LAST); | |
453 | break; | |
454 | case OMP_CLAUSE_REDUCTION: | |
28567c40 JJ |
455 | case OMP_CLAUSE_TASK_REDUCTION: |
456 | case OMP_CLAUSE_IN_REDUCTION: | |
c193f58b JJ |
457 | OMP_CLAUSE_REDUCTION_CODE (expr) |
458 | = bp_unpack_enum (bp, tree_code, MAX_TREE_CODES); | |
459 | break; | |
460 | default: | |
461 | break; | |
462 | } | |
463 | } | |
464 | ||
f0efc7aa | 465 | |
b6bf201e RB |
466 | /* Read all the language-independent bitfield values for EXPR from IB. |
467 | Return the partially unpacked bitpack so the caller can unpack any other | |
468 | bitfield values that the writer may have written. */ | |
469 | ||
bab4f4e3 | 470 | void |
b6bf201e RB |
471 | streamer_read_tree_bitfields (struct lto_input_block *ib, |
472 | struct data_in *data_in, tree expr) | |
f0efc7aa DN |
473 | { |
474 | enum tree_code code; | |
b6bf201e RB |
475 | struct bitpack_d bp; |
476 | ||
477 | /* Read the bitpack of non-pointer values from IB. */ | |
478 | bp = streamer_read_bitpack (ib); | |
f0efc7aa | 479 | |
b6bf201e RB |
480 | /* The first word in BP contains the code of the tree that we |
481 | are about to read. */ | |
482 | code = (enum tree_code) bp_unpack_value (&bp, 16); | |
483 | lto_tag_check (lto_tree_code_to_tag (code), | |
484 | lto_tree_code_to_tag (TREE_CODE (expr))); | |
f0efc7aa DN |
485 | |
486 | /* Note that all these functions are highly sensitive to changes in | |
487 | the types and sizes of each of the fields being packed. */ | |
b6bf201e | 488 | unpack_ts_base_value_fields (&bp, expr); |
f0efc7aa | 489 | |
c61f8c3b | 490 | if (CODE_CONTAINS_STRUCT (code, TS_INT_CST)) |
b6bf201e | 491 | unpack_ts_int_cst_value_fields (&bp, expr); |
c61f8c3b | 492 | |
f0efc7aa | 493 | if (CODE_CONTAINS_STRUCT (code, TS_REAL_CST)) |
b6bf201e | 494 | unpack_ts_real_cst_value_fields (&bp, expr); |
f0efc7aa DN |
495 | |
496 | if (CODE_CONTAINS_STRUCT (code, TS_FIXED_CST)) | |
b6bf201e | 497 | unpack_ts_fixed_cst_value_fields (&bp, expr); |
f0efc7aa | 498 | |
7cb7d208 | 499 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL)) |
eaeec5ec | 500 | stream_input_location (&DECL_SOURCE_LOCATION (expr), &bp, data_in); |
7cb7d208 | 501 | |
f0efc7aa | 502 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON)) |
b6bf201e | 503 | unpack_ts_decl_common_value_fields (&bp, expr); |
f0efc7aa DN |
504 | |
505 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL)) | |
b6bf201e | 506 | unpack_ts_decl_wrtl_value_fields (&bp, expr); |
f0efc7aa DN |
507 | |
508 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS)) | |
b6bf201e | 509 | unpack_ts_decl_with_vis_value_fields (&bp, expr); |
f0efc7aa DN |
510 | |
511 | if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL)) | |
b6bf201e | 512 | unpack_ts_function_decl_value_fields (&bp, expr); |
f0efc7aa DN |
513 | |
514 | if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON)) | |
b6bf201e | 515 | unpack_ts_type_common_value_fields (&bp, expr); |
f0efc7aa | 516 | |
7cb7d208 | 517 | if (CODE_CONTAINS_STRUCT (code, TS_EXP)) |
f3dccf50 | 518 | { |
eaeec5ec | 519 | stream_input_location (&EXPR_CHECK (expr)->exp.locus, &bp, data_in); |
f3dccf50 RB |
520 | if (code == MEM_REF |
521 | || code == TARGET_MEM_REF) | |
522 | { | |
523 | MR_DEPENDENCE_CLIQUE (expr) | |
b6bf201e | 524 | = (unsigned)bp_unpack_value (&bp, sizeof (short) * 8); |
f3dccf50 RB |
525 | if (MR_DEPENDENCE_CLIQUE (expr) != 0) |
526 | MR_DEPENDENCE_BASE (expr) | |
b6bf201e | 527 | = (unsigned)bp_unpack_value (&bp, sizeof (short) * 8); |
f3dccf50 | 528 | } |
7f29dafe RB |
529 | else if (code == CALL_EXPR) |
530 | CALL_EXPR_IFN (expr) = bp_unpack_enum (&bp, internal_fn, IFN_LAST); | |
f3dccf50 | 531 | } |
7cb7d208 | 532 | |
f0efc7aa | 533 | if (CODE_CONTAINS_STRUCT (code, TS_BLOCK)) |
b6bf201e | 534 | unpack_ts_block_value_fields (data_in, &bp, expr); |
f0efc7aa DN |
535 | |
536 | if (CODE_CONTAINS_STRUCT (code, TS_TRANSLATION_UNIT_DECL)) | |
b6bf201e | 537 | unpack_ts_translation_unit_decl_value_fields (data_in, &bp, expr); |
0889c5c3 | 538 | |
0889c5c3 | 539 | if (CODE_CONTAINS_STRUCT (code, TS_OPTIMIZATION)) |
c518c102 | 540 | cl_optimization_stream_in (data_in, &bp, TREE_OPTIMIZATION (expr)); |
0127aae4 | 541 | |
0127aae4 RG |
542 | if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR)) |
543 | { | |
b6bf201e | 544 | unsigned HOST_WIDE_INT length = bp_unpack_var_len_unsigned (&bp); |
0127aae4 | 545 | if (length > 0) |
9771b263 | 546 | vec_safe_grow (CONSTRUCTOR_ELTS (expr), length); |
0127aae4 | 547 | } |
c193f58b | 548 | |
1b34e6e2 | 549 | #ifndef ACCEL_COMPILER |
54e774c0 | 550 | if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION)) |
59913123 JJ |
551 | { |
552 | cl_target_option_stream_in (data_in, &bp, TREE_TARGET_OPTION (expr)); | |
553 | if (targetm.target_option.post_stream_in) | |
554 | targetm.target_option.post_stream_in (TREE_TARGET_OPTION (expr)); | |
555 | } | |
1b34e6e2 | 556 | #endif |
54e774c0 | 557 | |
c193f58b | 558 | if (code == OMP_CLAUSE) |
b6bf201e | 559 | unpack_ts_omp_clause_value_fields (data_in, &bp, expr); |
f0efc7aa DN |
560 | } |
561 | ||
562 | ||
563 | /* Materialize a new tree from input block IB using descriptors in | |
564 | DATA_IN. The code for the new tree should match TAG. Store in | |
565 | *IX_P the index into the reader cache where the new tree is stored. */ | |
566 | ||
b9393656 | 567 | tree |
412288f1 DN |
568 | streamer_alloc_tree (struct lto_input_block *ib, struct data_in *data_in, |
569 | enum LTO_tags tag) | |
f0efc7aa | 570 | { |
f0efc7aa DN |
571 | enum tree_code code; |
572 | tree result; | |
f0efc7aa DN |
573 | |
574 | result = NULL_TREE; | |
575 | ||
f0efc7aa DN |
576 | code = lto_tag_to_tree_code (tag); |
577 | ||
578 | /* We should never see an SSA_NAME tree. Only the version numbers of | |
579 | SSA names are ever written out. See input_ssa_names. */ | |
580 | gcc_assert (code != SSA_NAME); | |
581 | ||
582 | /* Instantiate a new tree using the header data. */ | |
583 | if (CODE_CONTAINS_STRUCT (code, TS_STRING)) | |
412288f1 | 584 | result = streamer_read_string_cst (data_in, ib); |
f0efc7aa DN |
585 | else if (CODE_CONTAINS_STRUCT (code, TS_IDENTIFIER)) |
586 | result = input_identifier (data_in, ib); | |
587 | else if (CODE_CONTAINS_STRUCT (code, TS_VEC)) | |
588 | { | |
412288f1 | 589 | HOST_WIDE_INT len = streamer_read_hwi (ib); |
f0efc7aa DN |
590 | result = make_tree_vec (len); |
591 | } | |
d2a12ae7 RG |
592 | else if (CODE_CONTAINS_STRUCT (code, TS_VECTOR)) |
593 | { | |
734914b6 RS |
594 | bitpack_d bp = streamer_read_bitpack (ib); |
595 | unsigned int log2_npatterns = bp_unpack_value (&bp, 8); | |
596 | unsigned int nelts_per_pattern = bp_unpack_value (&bp, 8); | |
597 | result = make_vector (log2_npatterns, nelts_per_pattern); | |
d2a12ae7 | 598 | } |
f0efc7aa DN |
599 | else if (CODE_CONTAINS_STRUCT (code, TS_BINFO)) |
600 | { | |
412288f1 | 601 | unsigned HOST_WIDE_INT len = streamer_read_uhwi (ib); |
f0efc7aa DN |
602 | result = make_tree_binfo (len); |
603 | } | |
807e902e KZ |
604 | else if (CODE_CONTAINS_STRUCT (code, TS_INT_CST)) |
605 | { | |
606 | unsigned HOST_WIDE_INT len = streamer_read_uhwi (ib); | |
607 | unsigned HOST_WIDE_INT ext_len = streamer_read_uhwi (ib); | |
608 | result = make_int_cst (len, ext_len); | |
609 | } | |
b9393656 DN |
610 | else if (code == CALL_EXPR) |
611 | { | |
412288f1 | 612 | unsigned HOST_WIDE_INT nargs = streamer_read_uhwi (ib); |
b9393656 DN |
613 | return build_vl_exp (CALL_EXPR, nargs + 3); |
614 | } | |
c193f58b JJ |
615 | else if (code == OMP_CLAUSE) |
616 | { | |
617 | enum omp_clause_code subcode | |
618 | = (enum omp_clause_code) streamer_read_uhwi (ib); | |
619 | return build_omp_clause (UNKNOWN_LOCATION, subcode); | |
620 | } | |
f0efc7aa DN |
621 | else |
622 | { | |
b9393656 | 623 | /* For all other nodes, materialize the tree with a raw |
f0efc7aa | 624 | make_node call. */ |
b9393656 | 625 | result = make_node (code); |
f0efc7aa DN |
626 | } |
627 | ||
f0efc7aa DN |
628 | return result; |
629 | } | |
630 | ||
631 | ||
632 | /* Read all pointer fields in the TS_COMMON structure of EXPR from input | |
633 | block IB. DATA_IN contains tables and descriptors for the | |
634 | file being read. */ | |
635 | ||
636 | ||
637 | static void | |
638 | lto_input_ts_common_tree_pointers (struct lto_input_block *ib, | |
639 | struct data_in *data_in, tree expr) | |
640 | { | |
641 | if (TREE_CODE (expr) != IDENTIFIER_NODE) | |
b9393656 | 642 | TREE_TYPE (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
643 | } |
644 | ||
645 | ||
646 | /* Read all pointer fields in the TS_VECTOR structure of EXPR from input | |
647 | block IB. DATA_IN contains tables and descriptors for the | |
648 | file being read. */ | |
649 | ||
650 | static void | |
651 | lto_input_ts_vector_tree_pointers (struct lto_input_block *ib, | |
652 | struct data_in *data_in, tree expr) | |
653 | { | |
734914b6 RS |
654 | unsigned int count = vector_cst_encoded_nelts (expr); |
655 | for (unsigned int i = 0; i < count; ++i) | |
656 | VECTOR_CST_ENCODED_ELT (expr, i) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
657 | } |
658 | ||
659 | ||
36fd6408 RS |
660 | /* Read all pointer fields in the TS_POLY_INT_CST structure of EXPR from |
661 | input block IB. DATA_IN contains tables and descriptors for the | |
662 | file being read. */ | |
663 | ||
664 | static void | |
665 | lto_input_ts_poly_tree_pointers (struct lto_input_block *ib, | |
666 | struct data_in *data_in, tree expr) | |
667 | { | |
668 | for (unsigned int i = 0; i < NUM_POLY_INT_COEFFS; ++i) | |
669 | POLY_INT_CST_COEFF (expr, i) = stream_read_tree (ib, data_in); | |
670 | } | |
671 | ||
672 | ||
f0efc7aa DN |
673 | /* Read all pointer fields in the TS_COMPLEX structure of EXPR from input |
674 | block IB. DATA_IN contains tables and descriptors for the | |
675 | file being read. */ | |
676 | ||
677 | static void | |
678 | lto_input_ts_complex_tree_pointers (struct lto_input_block *ib, | |
679 | struct data_in *data_in, tree expr) | |
680 | { | |
b9393656 DN |
681 | TREE_REALPART (expr) = stream_read_tree (ib, data_in); |
682 | TREE_IMAGPART (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
683 | } |
684 | ||
685 | ||
686 | /* Read all pointer fields in the TS_DECL_MINIMAL structure of EXPR | |
687 | from input block IB. DATA_IN contains tables and descriptors for the | |
688 | file being read. */ | |
689 | ||
690 | static void | |
691 | lto_input_ts_decl_minimal_tree_pointers (struct lto_input_block *ib, | |
692 | struct data_in *data_in, tree expr) | |
693 | { | |
b9393656 DN |
694 | DECL_NAME (expr) = stream_read_tree (ib, data_in); |
695 | DECL_CONTEXT (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
696 | } |
697 | ||
698 | ||
699 | /* Read all pointer fields in the TS_DECL_COMMON structure of EXPR from | |
700 | input block IB. DATA_IN contains tables and descriptors for the | |
701 | file being read. */ | |
702 | ||
703 | static void | |
704 | lto_input_ts_decl_common_tree_pointers (struct lto_input_block *ib, | |
705 | struct data_in *data_in, tree expr) | |
706 | { | |
b9393656 DN |
707 | DECL_SIZE (expr) = stream_read_tree (ib, data_in); |
708 | DECL_SIZE_UNIT (expr) = stream_read_tree (ib, data_in); | |
709 | DECL_ATTRIBUTES (expr) = stream_read_tree (ib, data_in); | |
1ea85365 | 710 | DECL_ABSTRACT_ORIGIN (expr) = stream_read_tree (ib, data_in); |
f0efc7aa | 711 | |
8813a647 | 712 | if ((VAR_P (expr) || TREE_CODE (expr) == PARM_DECL) |
f0efc7aa | 713 | && DECL_HAS_VALUE_EXPR_P (expr)) |
b9393656 | 714 | SET_DECL_VALUE_EXPR (expr, stream_read_tree (ib, data_in)); |
f0efc7aa | 715 | |
c1a7ca7c RB |
716 | if (VAR_P (expr) |
717 | && DECL_HAS_DEBUG_EXPR_P (expr)) | |
f0efc7aa | 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 | |
69e02b35 JH |
731 | lto_input_ts_decl_non_common_tree_pointers (struct lto_input_block *, |
732 | struct data_in *, tree) | |
f0efc7aa | 733 | { |
f0efc7aa DN |
734 | } |
735 | ||
736 | ||
737 | /* Read all pointer fields in the TS_DECL_WITH_VIS structure of EXPR | |
738 | from input block IB. DATA_IN contains tables and descriptors for the | |
739 | file being read. */ | |
740 | ||
741 | static void | |
742 | lto_input_ts_decl_with_vis_tree_pointers (struct lto_input_block *ib, | |
743 | struct data_in *data_in, tree expr) | |
744 | { | |
745 | tree id; | |
746 | ||
b9393656 | 747 | id = stream_read_tree (ib, data_in); |
f0efc7aa DN |
748 | if (id) |
749 | { | |
750 | gcc_assert (TREE_CODE (id) == IDENTIFIER_NODE); | |
751 | SET_DECL_ASSEMBLER_NAME (expr, id); | |
752 | } | |
f0efc7aa DN |
753 | } |
754 | ||
755 | ||
756 | /* Read all pointer fields in the TS_FIELD_DECL structure of EXPR from | |
757 | input block IB. DATA_IN contains tables and descriptors for the | |
758 | file being read. */ | |
759 | ||
760 | static void | |
761 | lto_input_ts_field_decl_tree_pointers (struct lto_input_block *ib, | |
762 | struct data_in *data_in, tree expr) | |
763 | { | |
b9393656 DN |
764 | DECL_FIELD_OFFSET (expr) = stream_read_tree (ib, data_in); |
765 | DECL_BIT_FIELD_TYPE (expr) = stream_read_tree (ib, data_in); | |
26c71b93 | 766 | DECL_BIT_FIELD_REPRESENTATIVE (expr) = stream_read_tree (ib, data_in); |
b9393656 | 767 | DECL_FIELD_BIT_OFFSET (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
768 | } |
769 | ||
770 | ||
771 | /* Read all pointer fields in the TS_FUNCTION_DECL structure of EXPR | |
772 | from input block IB. DATA_IN contains tables and descriptors for the | |
773 | file being read. */ | |
774 | ||
775 | static void | |
776 | lto_input_ts_function_decl_tree_pointers (struct lto_input_block *ib, | |
777 | struct data_in *data_in, tree expr) | |
778 | { | |
aaf8a23e | 779 | /* DECL_STRUCT_FUNCTION is loaded on demand by cgraph_get_body. */ |
b9393656 | 780 | DECL_FUNCTION_PERSONALITY (expr) = stream_read_tree (ib, data_in); |
1b34e6e2 | 781 | #ifndef ACCEL_COMPILER |
61204ad9 | 782 | DECL_FUNCTION_SPECIFIC_TARGET (expr) = stream_read_tree (ib, data_in); |
1b34e6e2 | 783 | #endif |
b9393656 | 784 | DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr) = stream_read_tree (ib, data_in); |
3cd36125 TV |
785 | #ifdef ACCEL_COMPILER |
786 | { | |
787 | tree opts = DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr); | |
788 | if (opts) | |
789 | { | |
790 | struct gcc_options tmp; | |
791 | init_options_struct (&tmp, NULL); | |
792 | cl_optimization_restore (&tmp, TREE_OPTIMIZATION (opts)); | |
793 | finish_options (&tmp, &global_options_set, UNKNOWN_LOCATION); | |
794 | opts = build_optimization_node (&tmp); | |
795 | finalize_options_struct (&tmp); | |
796 | DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr) = opts; | |
797 | } | |
798 | } | |
799 | #endif | |
f0efc7aa DN |
800 | |
801 | /* If the file contains a function with an EH personality set, | |
802 | then it was compiled with -fexceptions. In that case, initialize | |
803 | the backend EH machinery. */ | |
804 | if (DECL_FUNCTION_PERSONALITY (expr)) | |
805 | lto_init_eh (); | |
806 | } | |
807 | ||
808 | ||
809 | /* Read all pointer fields in the TS_TYPE_COMMON structure of EXPR from | |
810 | input block IB. DATA_IN contains tables and descriptors for the file | |
811 | being read. */ | |
812 | ||
813 | static void | |
814 | lto_input_ts_type_common_tree_pointers (struct lto_input_block *ib, | |
815 | struct data_in *data_in, tree expr) | |
816 | { | |
010f4e27 JH |
817 | TYPE_SIZE (expr) = stream_read_tree (ib, data_in); |
818 | TYPE_SIZE_UNIT (expr) = stream_read_tree (ib, data_in); | |
819 | TYPE_ATTRIBUTES (expr) = stream_read_tree (ib, data_in); | |
b9393656 | 820 | TYPE_NAME (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
821 | /* Do not stream TYPE_POINTER_TO or TYPE_REFERENCE_TO. They will be |
822 | reconstructed during fixup. */ | |
823 | /* Do not stream TYPE_NEXT_VARIANT, we reconstruct the variant lists | |
824 | during fixup. */ | |
010f4e27 JH |
825 | TYPE_MAIN_VARIANT (expr) = stream_read_tree (ib, data_in); |
826 | TYPE_CONTEXT (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
827 | /* TYPE_CANONICAL gets re-computed during type merging. */ |
828 | TYPE_CANONICAL (expr) = NULL_TREE; | |
f0efc7aa DN |
829 | } |
830 | ||
831 | /* Read all pointer fields in the TS_TYPE_NON_COMMON structure of EXPR | |
832 | from input block IB. DATA_IN contains tables and descriptors for the | |
833 | file being read. */ | |
834 | ||
835 | static void | |
836 | lto_input_ts_type_non_common_tree_pointers (struct lto_input_block *ib, | |
837 | struct data_in *data_in, | |
838 | tree expr) | |
839 | { | |
010f4e27 JH |
840 | if (TREE_CODE (expr) == ENUMERAL_TYPE) |
841 | TYPE_VALUES (expr) = stream_read_tree (ib, data_in); | |
842 | else if (TREE_CODE (expr) == ARRAY_TYPE) | |
843 | TYPE_DOMAIN (expr) = stream_read_tree (ib, data_in); | |
844 | else if (RECORD_OR_UNION_TYPE_P (expr)) | |
4acd1c84 | 845 | TYPE_FIELDS (expr) = streamer_read_chain (ib, data_in); |
f0efc7aa | 846 | else if (TREE_CODE (expr) == FUNCTION_TYPE |
010f4e27 | 847 | || TREE_CODE (expr) == METHOD_TYPE) |
b9393656 | 848 | TYPE_ARG_TYPES (expr) = stream_read_tree (ib, data_in); |
010f4e27 JH |
849 | |
850 | if (!POINTER_TYPE_P (expr)) | |
20deef65 NS |
851 | TYPE_MIN_VALUE_RAW (expr) = stream_read_tree (ib, data_in); |
852 | TYPE_MAX_VALUE_RAW (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
853 | } |
854 | ||
855 | ||
856 | /* Read all pointer fields in the TS_LIST structure of EXPR from input | |
857 | block IB. DATA_IN contains tables and descriptors for the | |
858 | file being read. */ | |
859 | ||
860 | static void | |
861 | lto_input_ts_list_tree_pointers (struct lto_input_block *ib, | |
862 | struct data_in *data_in, tree expr) | |
863 | { | |
b9393656 DN |
864 | TREE_PURPOSE (expr) = stream_read_tree (ib, data_in); |
865 | TREE_VALUE (expr) = stream_read_tree (ib, data_in); | |
ee03e71d | 866 | TREE_CHAIN (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
867 | } |
868 | ||
869 | ||
870 | /* Read all pointer fields in the TS_VEC structure of EXPR from input | |
871 | block IB. DATA_IN contains tables and descriptors for the | |
872 | file being read. */ | |
873 | ||
874 | static void | |
875 | lto_input_ts_vec_tree_pointers (struct lto_input_block *ib, | |
876 | struct data_in *data_in, tree expr) | |
877 | { | |
878 | int i; | |
879 | ||
412288f1 | 880 | /* Note that TREE_VEC_LENGTH was read by streamer_alloc_tree to |
f0efc7aa DN |
881 | instantiate EXPR. */ |
882 | for (i = 0; i < TREE_VEC_LENGTH (expr); i++) | |
b9393656 | 883 | TREE_VEC_ELT (expr, i) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
884 | } |
885 | ||
886 | ||
887 | /* Read all pointer fields in the TS_EXP structure of EXPR from input | |
888 | block IB. DATA_IN contains tables and descriptors for the | |
889 | file being read. */ | |
890 | ||
891 | ||
892 | static void | |
893 | lto_input_ts_exp_tree_pointers (struct lto_input_block *ib, | |
894 | struct data_in *data_in, tree expr) | |
895 | { | |
0127aae4 | 896 | int i; |
eaeec5ec | 897 | tree block; |
f0efc7aa | 898 | |
0127aae4 | 899 | for (i = 0; i < TREE_OPERAND_LENGTH (expr); i++) |
b9393656 | 900 | TREE_OPERAND (expr, i) = stream_read_tree (ib, data_in); |
f0efc7aa | 901 | |
eaeec5ec JH |
902 | block = stream_read_tree (ib, data_in); |
903 | ||
904 | /* TODO: Block is stored in the locus information. It may make more sense to | |
905 | to make it go via the location cache. */ | |
906 | if (block) | |
907 | { | |
908 | data_in->location_cache.apply_location_cache (); | |
909 | TREE_SET_BLOCK (expr, block); | |
910 | } | |
f0efc7aa DN |
911 | } |
912 | ||
913 | ||
914 | /* Read all pointer fields in the TS_BLOCK structure of EXPR from input | |
915 | block IB. DATA_IN contains tables and descriptors for the | |
916 | file being read. */ | |
917 | ||
918 | static void | |
919 | lto_input_ts_block_tree_pointers (struct lto_input_block *ib, | |
920 | struct data_in *data_in, tree expr) | |
921 | { | |
412288f1 | 922 | BLOCK_VARS (expr) = streamer_read_chain (ib, data_in); |
f0efc7aa | 923 | |
b9393656 | 924 | BLOCK_SUPERCONTEXT (expr) = stream_read_tree (ib, data_in); |
5c1eb617 | 925 | BLOCK_ABSTRACT_ORIGIN (expr) = stream_read_tree (ib, data_in); |
50258c4d RB |
926 | /* We may end up prevailing a decl with DECL_ORIGIN (t) != t here |
927 | which breaks the invariant that BLOCK_ABSTRACT_ORIGIN is the | |
928 | ultimate origin. Fixup here. | |
929 | ??? This should get fixed with moving to DIE references. */ | |
930 | if (DECL_P (BLOCK_ORIGIN (expr))) | |
931 | BLOCK_ABSTRACT_ORIGIN (expr) = DECL_ORIGIN (BLOCK_ABSTRACT_ORIGIN (expr)); | |
5c1eb617 RG |
932 | /* Do not stream BLOCK_NONLOCALIZED_VARS. We cannot handle debug information |
933 | for early inlined BLOCKs so drop it on the floor instead of ICEing in | |
934 | dwarf2out.c. */ | |
935 | ||
936 | /* BLOCK_FRAGMENT_ORIGIN and BLOCK_FRAGMENT_CHAIN is not live at LTO | |
937 | streaming time. */ | |
f0efc7aa DN |
938 | |
939 | /* We re-compute BLOCK_SUBBLOCKS of our parent here instead | |
940 | of streaming it. For non-BLOCK BLOCK_SUPERCONTEXTs we still | |
941 | stream the child relationship explicitly. */ | |
942 | if (BLOCK_SUPERCONTEXT (expr) | |
943 | && TREE_CODE (BLOCK_SUPERCONTEXT (expr)) == BLOCK) | |
944 | { | |
945 | BLOCK_CHAIN (expr) = BLOCK_SUBBLOCKS (BLOCK_SUPERCONTEXT (expr)); | |
946 | BLOCK_SUBBLOCKS (BLOCK_SUPERCONTEXT (expr)) = expr; | |
947 | } | |
948 | ||
949 | /* The global block is rooted at the TU decl. Hook it here to | |
950 | avoid the need to stream in this block during WPA time. */ | |
951 | else if (BLOCK_SUPERCONTEXT (expr) | |
952 | && TREE_CODE (BLOCK_SUPERCONTEXT (expr)) == TRANSLATION_UNIT_DECL) | |
953 | DECL_INITIAL (BLOCK_SUPERCONTEXT (expr)) = expr; | |
954 | ||
955 | /* The function-level block is connected at the time we read in | |
956 | function bodies for the same reason. */ | |
957 | } | |
958 | ||
959 | ||
960 | /* Read all pointer fields in the TS_BINFO structure of EXPR from input | |
961 | block IB. DATA_IN contains tables and descriptors for the | |
962 | file being read. */ | |
963 | ||
964 | static void | |
965 | lto_input_ts_binfo_tree_pointers (struct lto_input_block *ib, | |
966 | struct data_in *data_in, tree expr) | |
967 | { | |
f0efc7aa DN |
968 | tree t; |
969 | ||
970 | /* Note that the number of slots in EXPR was read in | |
412288f1 | 971 | streamer_alloc_tree when instantiating EXPR. However, the |
9771b263 | 972 | vector is empty so we cannot rely on vec::length to know how many |
f0efc7aa DN |
973 | elements to read. So, this list is emitted as a 0-terminated |
974 | list on the writer side. */ | |
975 | do | |
976 | { | |
b9393656 | 977 | t = stream_read_tree (ib, data_in); |
f0efc7aa | 978 | if (t) |
9771b263 | 979 | BINFO_BASE_BINFOS (expr)->quick_push (t); |
f0efc7aa DN |
980 | } |
981 | while (t); | |
982 | ||
b9393656 DN |
983 | BINFO_OFFSET (expr) = stream_read_tree (ib, data_in); |
984 | BINFO_VTABLE (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa | 985 | |
0c172706 JH |
986 | /* Do not walk BINFO_INHERITANCE_CHAIN, BINFO_SUBVTT_INDEX, |
987 | BINFO_BASE_ACCESSES and BINFO_VPTR_INDEX; these are used by C++ FE | |
988 | only. */ | |
f0efc7aa DN |
989 | } |
990 | ||
991 | ||
992 | /* Read all pointer fields in the TS_CONSTRUCTOR structure of EXPR from | |
993 | input block IB. DATA_IN contains tables and descriptors for the | |
994 | file being read. */ | |
995 | ||
996 | static void | |
997 | lto_input_ts_constructor_tree_pointers (struct lto_input_block *ib, | |
998 | struct data_in *data_in, tree expr) | |
999 | { | |
0127aae4 | 1000 | unsigned i; |
f0efc7aa | 1001 | |
0127aae4 | 1002 | for (i = 0; i < CONSTRUCTOR_NELTS (expr); i++) |
f0efc7aa | 1003 | { |
0127aae4 RG |
1004 | constructor_elt e; |
1005 | e.index = stream_read_tree (ib, data_in); | |
1006 | e.value = stream_read_tree (ib, data_in); | |
9771b263 | 1007 | (*CONSTRUCTOR_ELTS (expr))[i] = e; |
f0efc7aa DN |
1008 | } |
1009 | } | |
1010 | ||
1011 | ||
c193f58b JJ |
1012 | /* Read all pointer fields in the TS_OMP_CLAUSE structure of EXPR from |
1013 | input block IB. DATA_IN contains tables and descriptors for the | |
1014 | file being read. */ | |
1015 | ||
1016 | static void | |
1017 | lto_input_ts_omp_clause_tree_pointers (struct lto_input_block *ib, | |
1018 | struct data_in *data_in, tree expr) | |
1019 | { | |
1020 | int i; | |
1021 | ||
1022 | for (i = 0; i < omp_clause_num_ops[OMP_CLAUSE_CODE (expr)]; i++) | |
1023 | OMP_CLAUSE_OPERAND (expr, i) = stream_read_tree (ib, data_in); | |
1024 | OMP_CLAUSE_CHAIN (expr) = stream_read_tree (ib, data_in); | |
1025 | } | |
1026 | ||
1027 | ||
b9393656 DN |
1028 | /* Read all pointer fields in EXPR from input block IB. DATA_IN |
1029 | contains tables and descriptors for the file being read. */ | |
f0efc7aa | 1030 | |
b9393656 | 1031 | void |
412288f1 | 1032 | streamer_read_tree_body (struct lto_input_block *ib, struct data_in *data_in, |
f0efc7aa DN |
1033 | tree expr) |
1034 | { | |
1035 | enum tree_code code; | |
1036 | ||
1037 | code = TREE_CODE (expr); | |
1038 | ||
1039 | if (CODE_CONTAINS_STRUCT (code, TS_TYPED)) | |
1040 | lto_input_ts_common_tree_pointers (ib, data_in, expr); | |
1041 | ||
1042 | if (CODE_CONTAINS_STRUCT (code, TS_VECTOR)) | |
1043 | lto_input_ts_vector_tree_pointers (ib, data_in, expr); | |
1044 | ||
36fd6408 RS |
1045 | if (CODE_CONTAINS_STRUCT (code, TS_POLY_INT_CST)) |
1046 | lto_input_ts_poly_tree_pointers (ib, data_in, expr); | |
1047 | ||
f0efc7aa DN |
1048 | if (CODE_CONTAINS_STRUCT (code, TS_COMPLEX)) |
1049 | lto_input_ts_complex_tree_pointers (ib, data_in, expr); | |
1050 | ||
1051 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL)) | |
1052 | lto_input_ts_decl_minimal_tree_pointers (ib, data_in, expr); | |
1053 | ||
1054 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON)) | |
1055 | lto_input_ts_decl_common_tree_pointers (ib, data_in, expr); | |
1056 | ||
1057 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_NON_COMMON)) | |
1058 | lto_input_ts_decl_non_common_tree_pointers (ib, data_in, expr); | |
1059 | ||
1060 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS)) | |
1061 | lto_input_ts_decl_with_vis_tree_pointers (ib, data_in, expr); | |
1062 | ||
1063 | if (CODE_CONTAINS_STRUCT (code, TS_FIELD_DECL)) | |
1064 | lto_input_ts_field_decl_tree_pointers (ib, data_in, expr); | |
1065 | ||
1066 | if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL)) | |
1067 | lto_input_ts_function_decl_tree_pointers (ib, data_in, expr); | |
1068 | ||
1069 | if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON)) | |
1070 | lto_input_ts_type_common_tree_pointers (ib, data_in, expr); | |
1071 | ||
1072 | if (CODE_CONTAINS_STRUCT (code, TS_TYPE_NON_COMMON)) | |
1073 | lto_input_ts_type_non_common_tree_pointers (ib, data_in, expr); | |
1074 | ||
1075 | if (CODE_CONTAINS_STRUCT (code, TS_LIST)) | |
1076 | lto_input_ts_list_tree_pointers (ib, data_in, expr); | |
1077 | ||
1078 | if (CODE_CONTAINS_STRUCT (code, TS_VEC)) | |
1079 | lto_input_ts_vec_tree_pointers (ib, data_in, expr); | |
1080 | ||
1081 | if (CODE_CONTAINS_STRUCT (code, TS_EXP)) | |
1082 | lto_input_ts_exp_tree_pointers (ib, data_in, expr); | |
1083 | ||
1084 | if (CODE_CONTAINS_STRUCT (code, TS_BLOCK)) | |
1085 | lto_input_ts_block_tree_pointers (ib, data_in, expr); | |
1086 | ||
1087 | if (CODE_CONTAINS_STRUCT (code, TS_BINFO)) | |
1088 | lto_input_ts_binfo_tree_pointers (ib, data_in, expr); | |
1089 | ||
1090 | if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR)) | |
1091 | lto_input_ts_constructor_tree_pointers (ib, data_in, expr); | |
c193f58b JJ |
1092 | |
1093 | if (code == OMP_CLAUSE) | |
1094 | lto_input_ts_omp_clause_tree_pointers (ib, data_in, expr); | |
f0efc7aa DN |
1095 | } |
1096 | ||
1097 | ||
f0efc7aa DN |
1098 | /* Read an index IX from input block IB and return the tree node at |
1099 | DATA_IN->FILE_DATA->GLOBALS_INDEX[IX]. */ | |
1100 | ||
b9393656 | 1101 | tree |
412288f1 | 1102 | streamer_get_pickled_tree (struct lto_input_block *ib, struct data_in *data_in) |
f0efc7aa DN |
1103 | { |
1104 | unsigned HOST_WIDE_INT ix; | |
1105 | tree result; | |
1106 | enum LTO_tags expected_tag; | |
1107 | ||
412288f1 DN |
1108 | ix = streamer_read_uhwi (ib); |
1109 | expected_tag = streamer_read_enum (ib, LTO_tags, LTO_NUM_TAGS); | |
f0efc7aa | 1110 | |
ee03e71d | 1111 | result = streamer_tree_cache_get_tree (data_in->reader_cache, ix); |
f0efc7aa DN |
1112 | gcc_assert (result |
1113 | && TREE_CODE (result) == lto_tag_to_tree_code (expected_tag)); | |
1114 | ||
1115 | return result; | |
1116 | } |