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Commit | Line | Data |
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f0efc7aa DN |
1 | /* Routines for reading trees from a file stream. |
2 | ||
cbe34bb5 | 3 | Copyright (C) 2011-2017 Free Software Foundation, Inc. |
f0efc7aa DN |
4 | Contributed by Diego Novillo <dnovillo@google.com> |
5 | ||
6 | This file is part of GCC. | |
7 | ||
8 | GCC is free software; you can redistribute it and/or modify it under | |
9 | the terms of the GNU General Public License as published by the Free | |
10 | Software Foundation; either version 3, or (at your option) any later | |
11 | version. | |
12 | ||
13 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
14 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 | for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with GCC; see the file COPYING3. If not see | |
20 | <http://www.gnu.org/licenses/>. */ | |
21 | ||
22 | #include "config.h" | |
23 | #include "system.h" | |
24 | #include "coretypes.h" | |
c7131fb2 | 25 | #include "backend.h" |
957060b5 | 26 | #include "target.h" |
f0efc7aa | 27 | #include "tree.h" |
c7131fb2 | 28 | #include "gimple.h" |
d8a2d370 | 29 | #include "stringpool.h" |
f0efc7aa | 30 | #include "tree-streamer.h" |
957060b5 | 31 | #include "cgraph.h" |
9b2b7279 | 32 | #include "builtins.h" |
edcf72f3 | 33 | #include "ipa-chkp.h" |
41dbbb37 | 34 | #include "gomp-constants.h" |
314e6352 ML |
35 | #include "stringpool.h" |
36 | #include "attribs.h" | |
8f91e6e0 | 37 | #include "asan.h" |
3cd36125 | 38 | #include "opts.h" |
41dbbb37 | 39 | |
f0efc7aa DN |
40 | |
41 | /* Read a STRING_CST from the string table in DATA_IN using input | |
42 | block IB. */ | |
43 | ||
44 | tree | |
412288f1 | 45 | streamer_read_string_cst (struct data_in *data_in, struct lto_input_block *ib) |
f0efc7aa DN |
46 | { |
47 | unsigned int len; | |
48 | const char * ptr; | |
49 | ||
412288f1 | 50 | ptr = streamer_read_indexed_string (data_in, ib, &len); |
f0efc7aa DN |
51 | if (!ptr) |
52 | return NULL; | |
53 | return build_string (len, ptr); | |
54 | } | |
55 | ||
56 | ||
57 | /* Read an IDENTIFIER from the string table in DATA_IN using input | |
58 | block IB. */ | |
59 | ||
60 | static tree | |
61 | input_identifier (struct data_in *data_in, struct lto_input_block *ib) | |
62 | { | |
63 | unsigned int len; | |
64 | const char *ptr; | |
65 | ||
412288f1 | 66 | ptr = streamer_read_indexed_string (data_in, ib, &len); |
f0efc7aa DN |
67 | if (!ptr) |
68 | return NULL; | |
69 | return get_identifier_with_length (ptr, len); | |
70 | } | |
71 | ||
72 | ||
73 | /* Read a chain of tree nodes from input block IB. DATA_IN contains | |
74 | tables and descriptors for the file being read. */ | |
75 | ||
412288f1 DN |
76 | tree |
77 | streamer_read_chain (struct lto_input_block *ib, struct data_in *data_in) | |
f0efc7aa | 78 | { |
f0efc7aa DN |
79 | tree first, prev, curr; |
80 | ||
0127aae4 | 81 | /* The chain is written as NULL terminated list of trees. */ |
f0efc7aa | 82 | first = prev = NULL_TREE; |
0127aae4 | 83 | do |
f0efc7aa | 84 | { |
b9393656 | 85 | curr = stream_read_tree (ib, data_in); |
f0efc7aa DN |
86 | if (prev) |
87 | TREE_CHAIN (prev) = curr; | |
88 | else | |
89 | first = curr; | |
90 | ||
f0efc7aa DN |
91 | prev = curr; |
92 | } | |
0127aae4 | 93 | while (curr); |
f0efc7aa DN |
94 | |
95 | return first; | |
96 | } | |
97 | ||
98 | ||
99 | /* Unpack all the non-pointer fields of the TS_BASE structure of | |
100 | expression EXPR from bitpack BP. */ | |
101 | ||
b6bf201e | 102 | static inline void |
f0efc7aa DN |
103 | unpack_ts_base_value_fields (struct bitpack_d *bp, tree expr) |
104 | { | |
105 | /* Note that the code for EXPR has already been unpacked to create EXPR in | |
412288f1 | 106 | streamer_alloc_tree. */ |
f0efc7aa DN |
107 | if (!TYPE_P (expr)) |
108 | { | |
109 | TREE_SIDE_EFFECTS (expr) = (unsigned) bp_unpack_value (bp, 1); | |
110 | TREE_CONSTANT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
111 | TREE_READONLY (expr) = (unsigned) bp_unpack_value (bp, 1); | |
112 | ||
113 | /* TREE_PUBLIC is used on types to indicate that the type | |
114 | has a TYPE_CACHED_VALUES vector. This is not streamed out, | |
115 | so we skip it here. */ | |
116 | TREE_PUBLIC (expr) = (unsigned) bp_unpack_value (bp, 1); | |
117 | } | |
118 | else | |
119 | bp_unpack_value (bp, 4); | |
120 | TREE_ADDRESSABLE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
121 | TREE_THIS_VOLATILE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
122 | if (DECL_P (expr)) | |
02ef53f2 RB |
123 | { |
124 | DECL_UNSIGNED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
125 | DECL_NAMELESS (expr) = (unsigned) bp_unpack_value (bp, 1); | |
126 | } | |
f0efc7aa DN |
127 | else if (TYPE_P (expr)) |
128 | TYPE_UNSIGNED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
129 | else | |
130 | bp_unpack_value (bp, 1); | |
131 | TREE_ASM_WRITTEN (expr) = (unsigned) bp_unpack_value (bp, 1); | |
132 | if (TYPE_P (expr)) | |
133 | TYPE_ARTIFICIAL (expr) = (unsigned) bp_unpack_value (bp, 1); | |
134 | else | |
135 | TREE_NO_WARNING (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa DN |
136 | TREE_NOTHROW (expr) = (unsigned) bp_unpack_value (bp, 1); |
137 | TREE_STATIC (expr) = (unsigned) bp_unpack_value (bp, 1); | |
ee03e71d RB |
138 | if (TREE_CODE (expr) != TREE_BINFO) |
139 | TREE_PRIVATE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
b6bf201e RB |
140 | else |
141 | bp_unpack_value (bp, 1); | |
f0efc7aa DN |
142 | TREE_PROTECTED (expr) = (unsigned) bp_unpack_value (bp, 1); |
143 | TREE_DEPRECATED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
144 | if (TYPE_P (expr)) | |
875b35b4 | 145 | { |
ee45a32d EB |
146 | if (AGGREGATE_TYPE_P (expr)) |
147 | TYPE_REVERSE_STORAGE_ORDER (expr) = (unsigned) bp_unpack_value (bp, 1); | |
148 | else | |
149 | TYPE_SATURATING (expr) = (unsigned) bp_unpack_value (bp, 1); | |
875b35b4 DN |
150 | TYPE_ADDR_SPACE (expr) = (unsigned) bp_unpack_value (bp, 8); |
151 | } | |
ee45a32d | 152 | else if (TREE_CODE (expr) == BIT_FIELD_REF || TREE_CODE (expr) == MEM_REF) |
7b95c729 EB |
153 | { |
154 | REF_REVERSE_STORAGE_ORDER (expr) = (unsigned) bp_unpack_value (bp, 1); | |
155 | bp_unpack_value (bp, 8); | |
156 | } | |
f0efc7aa | 157 | else if (TREE_CODE (expr) == SSA_NAME) |
b6bf201e RB |
158 | { |
159 | SSA_NAME_IS_DEFAULT_DEF (expr) = (unsigned) bp_unpack_value (bp, 1); | |
160 | bp_unpack_value (bp, 8); | |
161 | } | |
f0efc7aa | 162 | else |
b6bf201e | 163 | bp_unpack_value (bp, 9); |
f0efc7aa DN |
164 | } |
165 | ||
166 | ||
c61f8c3b RG |
167 | /* Unpack all the non-pointer fields of the TS_INT_CST structure of |
168 | expression EXPR from bitpack BP. */ | |
169 | ||
170 | static void | |
171 | unpack_ts_int_cst_value_fields (struct bitpack_d *bp, tree expr) | |
172 | { | |
807e902e KZ |
173 | int i; |
174 | for (i = 0; i < TREE_INT_CST_EXT_NUNITS (expr); i++) | |
175 | TREE_INT_CST_ELT (expr, i) = bp_unpack_var_len_int (bp); | |
c61f8c3b RG |
176 | } |
177 | ||
178 | ||
f0efc7aa DN |
179 | /* Unpack all the non-pointer fields of the TS_REAL_CST structure of |
180 | expression EXPR from bitpack BP. */ | |
181 | ||
182 | static void | |
183 | unpack_ts_real_cst_value_fields (struct bitpack_d *bp, tree expr) | |
184 | { | |
185 | unsigned i; | |
186 | REAL_VALUE_TYPE r; | |
187 | REAL_VALUE_TYPE *rp; | |
188 | ||
a822564d JJ |
189 | /* Clear all bits of the real value type so that we can later do |
190 | bitwise comparisons to see if two values are the same. */ | |
191 | memset (&r, 0, sizeof r); | |
f0efc7aa DN |
192 | r.cl = (unsigned) bp_unpack_value (bp, 2); |
193 | r.decimal = (unsigned) bp_unpack_value (bp, 1); | |
194 | r.sign = (unsigned) bp_unpack_value (bp, 1); | |
195 | r.signalling = (unsigned) bp_unpack_value (bp, 1); | |
196 | r.canonical = (unsigned) bp_unpack_value (bp, 1); | |
197 | r.uexp = (unsigned) bp_unpack_value (bp, EXP_BITS); | |
198 | for (i = 0; i < SIGSZ; i++) | |
199 | r.sig[i] = (unsigned long) bp_unpack_value (bp, HOST_BITS_PER_LONG); | |
200 | ||
766090c2 | 201 | rp = ggc_alloc<real_value> (); |
f0efc7aa DN |
202 | memcpy (rp, &r, sizeof (REAL_VALUE_TYPE)); |
203 | TREE_REAL_CST_PTR (expr) = rp; | |
204 | } | |
205 | ||
206 | ||
207 | /* Unpack all the non-pointer fields of the TS_FIXED_CST structure of | |
208 | expression EXPR from bitpack BP. */ | |
209 | ||
210 | static void | |
211 | unpack_ts_fixed_cst_value_fields (struct bitpack_d *bp, tree expr) | |
212 | { | |
766090c2 | 213 | FIXED_VALUE_TYPE *fp = ggc_alloc<fixed_value> (); |
382615c6 | 214 | fp->mode = as_a <scalar_mode> (bp_unpack_machine_mode (bp)); |
f57f20bb RG |
215 | fp->data.low = bp_unpack_var_len_int (bp); |
216 | fp->data.high = bp_unpack_var_len_int (bp); | |
217 | TREE_FIXED_CST_PTR (expr) = fp; | |
f0efc7aa DN |
218 | } |
219 | ||
f0efc7aa DN |
220 | /* Unpack all the non-pointer fields of the TS_DECL_COMMON structure |
221 | of expression EXPR from bitpack BP. */ | |
222 | ||
223 | static void | |
224 | unpack_ts_decl_common_value_fields (struct bitpack_d *bp, tree expr) | |
225 | { | |
899ca90e | 226 | SET_DECL_MODE (expr, bp_unpack_machine_mode (bp)); |
f0efc7aa DN |
227 | DECL_NONLOCAL (expr) = (unsigned) bp_unpack_value (bp, 1); |
228 | DECL_VIRTUAL_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
229 | DECL_IGNORED_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
00de328a | 230 | DECL_ABSTRACT_P (expr) = (unsigned) bp_unpack_value (bp, 1); |
f0efc7aa DN |
231 | DECL_ARTIFICIAL (expr) = (unsigned) bp_unpack_value (bp, 1); |
232 | DECL_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, 1); | |
233 | DECL_PRESERVE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa DN |
234 | DECL_EXTERNAL (expr) = (unsigned) bp_unpack_value (bp, 1); |
235 | DECL_GIMPLE_REG_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
fe37c7af | 236 | SET_DECL_ALIGN (expr, (unsigned) bp_unpack_var_len_unsigned (bp)); |
6d2b7199 BS |
237 | #ifdef ACCEL_COMPILER |
238 | if (DECL_ALIGN (expr) > targetm.absolute_biggest_alignment) | |
fe37c7af | 239 | SET_DECL_ALIGN (expr, targetm.absolute_biggest_alignment); |
6d2b7199 | 240 | #endif |
f0efc7aa DN |
241 | if (TREE_CODE (expr) == LABEL_DECL) |
242 | { | |
f0efc7aa DN |
243 | EH_LANDING_PAD_NR (expr) = (int) bp_unpack_var_len_unsigned (bp); |
244 | ||
245 | /* Always assume an initial value of -1 for LABEL_DECL_UID to | |
246 | force gimple_set_bb to recreate label_to_block_map. */ | |
247 | LABEL_DECL_UID (expr) = -1; | |
248 | } | |
249 | ||
250 | if (TREE_CODE (expr) == FIELD_DECL) | |
251 | { | |
252 | DECL_PACKED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
253 | DECL_NONADDRESSABLE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
254 | expr->decl_common.off_align = bp_unpack_value (bp, 8); | |
255 | } | |
256 | ||
8813a647 | 257 | if (VAR_P (expr)) |
839b422f RB |
258 | { |
259 | DECL_HAS_DEBUG_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
260 | DECL_NONLOCAL_FRAME (expr) = (unsigned) bp_unpack_value (bp, 1); | |
261 | } | |
0f1e8842 | 262 | |
f0efc7aa DN |
263 | if (TREE_CODE (expr) == RESULT_DECL |
264 | || TREE_CODE (expr) == PARM_DECL | |
8813a647 | 265 | || VAR_P (expr)) |
f0efc7aa DN |
266 | { |
267 | DECL_BY_REFERENCE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
8813a647 | 268 | if (VAR_P (expr) || TREE_CODE (expr) == PARM_DECL) |
f0efc7aa | 269 | DECL_HAS_VALUE_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1); |
f0efc7aa DN |
270 | } |
271 | } | |
272 | ||
273 | ||
274 | /* Unpack all the non-pointer fields of the TS_DECL_WRTL structure | |
275 | of expression EXPR from bitpack BP. */ | |
276 | ||
277 | static void | |
278 | unpack_ts_decl_wrtl_value_fields (struct bitpack_d *bp, tree expr) | |
279 | { | |
280 | DECL_REGISTER (expr) = (unsigned) bp_unpack_value (bp, 1); | |
281 | } | |
282 | ||
283 | ||
284 | /* Unpack all the non-pointer fields of the TS_DECL_WITH_VIS structure | |
285 | of expression EXPR from bitpack BP. */ | |
286 | ||
287 | static void | |
288 | unpack_ts_decl_with_vis_value_fields (struct bitpack_d *bp, tree expr) | |
289 | { | |
f0efc7aa DN |
290 | DECL_COMMON (expr) = (unsigned) bp_unpack_value (bp, 1); |
291 | DECL_DLLIMPORT_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
292 | DECL_WEAK (expr) = (unsigned) bp_unpack_value (bp, 1); | |
293 | DECL_SEEN_IN_BIND_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
294 | DECL_COMDAT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
295 | DECL_VISIBILITY (expr) = (enum symbol_visibility) bp_unpack_value (bp, 2); | |
296 | DECL_VISIBILITY_SPECIFIED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
297 | ||
8813a647 | 298 | if (VAR_P (expr)) |
f0efc7aa DN |
299 | { |
300 | DECL_HARD_REGISTER (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa | 301 | DECL_IN_CONSTANT_POOL (expr) = (unsigned) bp_unpack_value (bp, 1); |
f0efc7aa DN |
302 | } |
303 | ||
0170f33c JH |
304 | if (TREE_CODE (expr) == FUNCTION_DECL) |
305 | { | |
306 | DECL_FINAL_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
307 | DECL_CXX_CONSTRUCTOR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
308 | DECL_CXX_DESTRUCTOR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
309 | } | |
f0efc7aa DN |
310 | } |
311 | ||
312 | ||
313 | /* Unpack all the non-pointer fields of the TS_FUNCTION_DECL structure | |
314 | of expression EXPR from bitpack BP. */ | |
315 | ||
316 | static void | |
317 | unpack_ts_function_decl_value_fields (struct bitpack_d *bp, tree expr) | |
318 | { | |
319 | DECL_BUILT_IN_CLASS (expr) = bp_unpack_enum (bp, built_in_class, | |
320 | BUILT_IN_LAST); | |
321 | DECL_STATIC_CONSTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, 1); | |
322 | DECL_STATIC_DESTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, 1); | |
323 | DECL_UNINLINABLE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
324 | DECL_POSSIBLY_INLINED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
325 | DECL_IS_NOVOPS (expr) = (unsigned) bp_unpack_value (bp, 1); | |
326 | DECL_IS_RETURNS_TWICE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
327 | DECL_IS_MALLOC (expr) = (unsigned) bp_unpack_value (bp, 1); | |
328 | DECL_IS_OPERATOR_NEW (expr) = (unsigned) bp_unpack_value (bp, 1); | |
329 | DECL_DECLARED_INLINE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
330 | DECL_STATIC_CHAIN (expr) = (unsigned) bp_unpack_value (bp, 1); | |
331 | DECL_NO_INLINE_WARNING_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
332 | DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (expr) | |
333 | = (unsigned) bp_unpack_value (bp, 1); | |
334 | DECL_NO_LIMIT_STACK (expr) = (unsigned) bp_unpack_value (bp, 1); | |
335 | DECL_DISREGARD_INLINE_LIMITS (expr) = (unsigned) bp_unpack_value (bp, 1); | |
336 | DECL_PURE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
337 | DECL_LOOPING_CONST_OR_PURE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
338 | if (DECL_BUILT_IN_CLASS (expr) != NOT_BUILT_IN) | |
339 | { | |
340 | DECL_FUNCTION_CODE (expr) = (enum built_in_function) bp_unpack_value (bp, | |
3c350d48 | 341 | 12); |
f0efc7aa DN |
342 | if (DECL_BUILT_IN_CLASS (expr) == BUILT_IN_NORMAL |
343 | && DECL_FUNCTION_CODE (expr) >= END_BUILTINS) | |
40fecdd6 JM |
344 | fatal_error (input_location, |
345 | "machine independent builtin code out of range"); | |
f0efc7aa DN |
346 | else if (DECL_BUILT_IN_CLASS (expr) == BUILT_IN_MD) |
347 | { | |
348 | tree result = targetm.builtin_decl (DECL_FUNCTION_CODE (expr), true); | |
349 | if (!result || result == error_mark_node) | |
40fecdd6 JM |
350 | fatal_error (input_location, |
351 | "target specific builtin not available"); | |
f0efc7aa DN |
352 | } |
353 | } | |
f0efc7aa DN |
354 | } |
355 | ||
356 | ||
357 | /* Unpack all the non-pointer fields of the TS_TYPE_COMMON structure | |
358 | of expression EXPR from bitpack BP. */ | |
359 | ||
360 | static void | |
361 | unpack_ts_type_common_value_fields (struct bitpack_d *bp, tree expr) | |
362 | { | |
ef4bddc2 | 363 | machine_mode mode; |
f0efc7aa | 364 | |
db847fa8 | 365 | mode = bp_unpack_machine_mode (bp); |
f0efc7aa DN |
366 | SET_TYPE_MODE (expr, mode); |
367 | TYPE_STRING_FLAG (expr) = (unsigned) bp_unpack_value (bp, 1); | |
351d90f4 JH |
368 | /* TYPE_NO_FORCE_BLK is private to stor-layout and need |
369 | no streaming. */ | |
f0efc7aa | 370 | TYPE_NEEDS_CONSTRUCTING (expr) = (unsigned) bp_unpack_value (bp, 1); |
ba6a6a1d JH |
371 | TYPE_PACKED (expr) = (unsigned) bp_unpack_value (bp, 1); |
372 | TYPE_RESTRICT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
373 | TYPE_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, 1); | |
374 | TYPE_READONLY (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa | 375 | if (RECORD_OR_UNION_TYPE_P (expr)) |
0170f33c JH |
376 | { |
377 | TYPE_TRANSPARENT_AGGR (expr) = (unsigned) bp_unpack_value (bp, 1); | |
378 | TYPE_FINAL_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
379 | } | |
04208228 EB |
380 | else if (TREE_CODE (expr) == ARRAY_TYPE) |
381 | TYPE_NONALIASED_COMPONENT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
350792ff RB |
382 | if (AGGREGATE_TYPE_P (expr)) |
383 | TYPE_TYPELESS_STORAGE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa | 384 | TYPE_PRECISION (expr) = bp_unpack_var_len_unsigned (bp); |
fe37c7af | 385 | SET_TYPE_ALIGN (expr, bp_unpack_var_len_unsigned (bp)); |
6d2b7199 BS |
386 | #ifdef ACCEL_COMPILER |
387 | if (TYPE_ALIGN (expr) > targetm.absolute_biggest_alignment) | |
fe37c7af | 388 | SET_TYPE_ALIGN (expr, targetm.absolute_biggest_alignment); |
6d2b7199 | 389 | #endif |
f0efc7aa DN |
390 | } |
391 | ||
392 | ||
393 | /* Unpack all the non-pointer fields of the TS_BLOCK structure | |
394 | of expression EXPR from bitpack BP. */ | |
395 | ||
396 | static void | |
7cb7d208 RB |
397 | unpack_ts_block_value_fields (struct data_in *data_in, |
398 | struct bitpack_d *bp, tree expr) | |
f0efc7aa DN |
399 | { |
400 | BLOCK_ABSTRACT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
401 | /* BLOCK_NUMBER is recomputed. */ | |
eaeec5ec | 402 | stream_input_location (&BLOCK_SOURCE_LOCATION (expr), bp, data_in); |
f0efc7aa DN |
403 | } |
404 | ||
405 | /* Unpack all the non-pointer fields of the TS_TRANSLATION_UNIT_DECL | |
406 | structure of expression EXPR from bitpack BP. */ | |
407 | ||
408 | static void | |
8135e1e6 RB |
409 | unpack_ts_translation_unit_decl_value_fields (struct data_in *data_in, |
410 | struct bitpack_d *bp, tree expr) | |
f0efc7aa | 411 | { |
8135e1e6 | 412 | TRANSLATION_UNIT_LANGUAGE (expr) = xstrdup (bp_unpack_string (data_in, bp)); |
9771b263 | 413 | vec_safe_push (all_translation_units, expr); |
f0efc7aa DN |
414 | } |
415 | ||
0889c5c3 | 416 | |
c193f58b JJ |
417 | /* Unpack all the non-pointer fields of the TS_OMP_CLAUSE |
418 | structure of expression EXPR from bitpack BP. */ | |
419 | ||
420 | static void | |
421 | unpack_ts_omp_clause_value_fields (struct data_in *data_in, | |
422 | struct bitpack_d *bp, tree expr) | |
423 | { | |
eaeec5ec | 424 | stream_input_location (&OMP_CLAUSE_LOCATION (expr), bp, data_in); |
c193f58b JJ |
425 | switch (OMP_CLAUSE_CODE (expr)) |
426 | { | |
427 | case OMP_CLAUSE_DEFAULT: | |
428 | OMP_CLAUSE_DEFAULT_KIND (expr) | |
429 | = bp_unpack_enum (bp, omp_clause_default_kind, | |
430 | OMP_CLAUSE_DEFAULT_LAST); | |
431 | break; | |
432 | case OMP_CLAUSE_SCHEDULE: | |
433 | OMP_CLAUSE_SCHEDULE_KIND (expr) | |
434 | = bp_unpack_enum (bp, omp_clause_schedule_kind, | |
435 | OMP_CLAUSE_SCHEDULE_LAST); | |
436 | break; | |
437 | case OMP_CLAUSE_DEPEND: | |
438 | OMP_CLAUSE_DEPEND_KIND (expr) | |
439 | = bp_unpack_enum (bp, omp_clause_depend_kind, OMP_CLAUSE_DEPEND_LAST); | |
440 | break; | |
441 | case OMP_CLAUSE_MAP: | |
41dbbb37 TS |
442 | OMP_CLAUSE_SET_MAP_KIND (expr, bp_unpack_enum (bp, gomp_map_kind, |
443 | GOMP_MAP_LAST)); | |
c193f58b JJ |
444 | break; |
445 | case OMP_CLAUSE_PROC_BIND: | |
446 | OMP_CLAUSE_PROC_BIND_KIND (expr) | |
447 | = bp_unpack_enum (bp, omp_clause_proc_bind_kind, | |
448 | OMP_CLAUSE_PROC_BIND_LAST); | |
449 | break; | |
450 | case OMP_CLAUSE_REDUCTION: | |
451 | OMP_CLAUSE_REDUCTION_CODE (expr) | |
452 | = bp_unpack_enum (bp, tree_code, MAX_TREE_CODES); | |
453 | break; | |
454 | default: | |
455 | break; | |
456 | } | |
457 | } | |
458 | ||
f0efc7aa | 459 | |
b6bf201e RB |
460 | /* Read all the language-independent bitfield values for EXPR from IB. |
461 | Return the partially unpacked bitpack so the caller can unpack any other | |
462 | bitfield values that the writer may have written. */ | |
463 | ||
bab4f4e3 | 464 | void |
b6bf201e RB |
465 | streamer_read_tree_bitfields (struct lto_input_block *ib, |
466 | struct data_in *data_in, tree expr) | |
f0efc7aa DN |
467 | { |
468 | enum tree_code code; | |
b6bf201e RB |
469 | struct bitpack_d bp; |
470 | ||
471 | /* Read the bitpack of non-pointer values from IB. */ | |
472 | bp = streamer_read_bitpack (ib); | |
f0efc7aa | 473 | |
b6bf201e RB |
474 | /* The first word in BP contains the code of the tree that we |
475 | are about to read. */ | |
476 | code = (enum tree_code) bp_unpack_value (&bp, 16); | |
477 | lto_tag_check (lto_tree_code_to_tag (code), | |
478 | lto_tree_code_to_tag (TREE_CODE (expr))); | |
f0efc7aa DN |
479 | |
480 | /* Note that all these functions are highly sensitive to changes in | |
481 | the types and sizes of each of the fields being packed. */ | |
b6bf201e | 482 | unpack_ts_base_value_fields (&bp, expr); |
f0efc7aa | 483 | |
c61f8c3b | 484 | if (CODE_CONTAINS_STRUCT (code, TS_INT_CST)) |
b6bf201e | 485 | unpack_ts_int_cst_value_fields (&bp, expr); |
c61f8c3b | 486 | |
f0efc7aa | 487 | if (CODE_CONTAINS_STRUCT (code, TS_REAL_CST)) |
b6bf201e | 488 | unpack_ts_real_cst_value_fields (&bp, expr); |
f0efc7aa DN |
489 | |
490 | if (CODE_CONTAINS_STRUCT (code, TS_FIXED_CST)) | |
b6bf201e | 491 | unpack_ts_fixed_cst_value_fields (&bp, expr); |
f0efc7aa | 492 | |
7cb7d208 | 493 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL)) |
eaeec5ec | 494 | stream_input_location (&DECL_SOURCE_LOCATION (expr), &bp, data_in); |
7cb7d208 | 495 | |
f0efc7aa | 496 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON)) |
b6bf201e | 497 | unpack_ts_decl_common_value_fields (&bp, expr); |
f0efc7aa DN |
498 | |
499 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL)) | |
b6bf201e | 500 | unpack_ts_decl_wrtl_value_fields (&bp, expr); |
f0efc7aa DN |
501 | |
502 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS)) | |
b6bf201e | 503 | unpack_ts_decl_with_vis_value_fields (&bp, expr); |
f0efc7aa DN |
504 | |
505 | if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL)) | |
b6bf201e | 506 | unpack_ts_function_decl_value_fields (&bp, expr); |
f0efc7aa DN |
507 | |
508 | if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON)) | |
b6bf201e | 509 | unpack_ts_type_common_value_fields (&bp, expr); |
f0efc7aa | 510 | |
7cb7d208 | 511 | if (CODE_CONTAINS_STRUCT (code, TS_EXP)) |
f3dccf50 | 512 | { |
eaeec5ec | 513 | stream_input_location (&EXPR_CHECK (expr)->exp.locus, &bp, data_in); |
f3dccf50 RB |
514 | if (code == MEM_REF |
515 | || code == TARGET_MEM_REF) | |
516 | { | |
517 | MR_DEPENDENCE_CLIQUE (expr) | |
b6bf201e | 518 | = (unsigned)bp_unpack_value (&bp, sizeof (short) * 8); |
f3dccf50 RB |
519 | if (MR_DEPENDENCE_CLIQUE (expr) != 0) |
520 | MR_DEPENDENCE_BASE (expr) | |
b6bf201e | 521 | = (unsigned)bp_unpack_value (&bp, sizeof (short) * 8); |
f3dccf50 RB |
522 | } |
523 | } | |
7cb7d208 | 524 | |
f0efc7aa | 525 | if (CODE_CONTAINS_STRUCT (code, TS_BLOCK)) |
b6bf201e | 526 | unpack_ts_block_value_fields (data_in, &bp, expr); |
f0efc7aa DN |
527 | |
528 | if (CODE_CONTAINS_STRUCT (code, TS_TRANSLATION_UNIT_DECL)) | |
b6bf201e | 529 | unpack_ts_translation_unit_decl_value_fields (data_in, &bp, expr); |
0889c5c3 | 530 | |
0889c5c3 | 531 | if (CODE_CONTAINS_STRUCT (code, TS_OPTIMIZATION)) |
b6bf201e | 532 | cl_optimization_stream_in (&bp, TREE_OPTIMIZATION (expr)); |
0127aae4 RG |
533 | |
534 | if (CODE_CONTAINS_STRUCT (code, TS_BINFO)) | |
535 | { | |
b6bf201e | 536 | unsigned HOST_WIDE_INT length = bp_unpack_var_len_unsigned (&bp); |
0127aae4 | 537 | if (length > 0) |
9771b263 | 538 | vec_safe_grow (BINFO_BASE_ACCESSES (expr), length); |
0127aae4 RG |
539 | } |
540 | ||
541 | if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR)) | |
542 | { | |
b6bf201e | 543 | unsigned HOST_WIDE_INT length = bp_unpack_var_len_unsigned (&bp); |
0127aae4 | 544 | if (length > 0) |
9771b263 | 545 | vec_safe_grow (CONSTRUCTOR_ELTS (expr), length); |
0127aae4 | 546 | } |
c193f58b | 547 | |
1b34e6e2 | 548 | #ifndef ACCEL_COMPILER |
54e774c0 | 549 | if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION)) |
59913123 JJ |
550 | { |
551 | cl_target_option_stream_in (data_in, &bp, TREE_TARGET_OPTION (expr)); | |
552 | if (targetm.target_option.post_stream_in) | |
553 | targetm.target_option.post_stream_in (TREE_TARGET_OPTION (expr)); | |
554 | } | |
1b34e6e2 | 555 | #endif |
54e774c0 | 556 | |
c193f58b | 557 | if (code == OMP_CLAUSE) |
b6bf201e | 558 | unpack_ts_omp_clause_value_fields (data_in, &bp, expr); |
f0efc7aa DN |
559 | } |
560 | ||
561 | ||
562 | /* Materialize a new tree from input block IB using descriptors in | |
563 | DATA_IN. The code for the new tree should match TAG. Store in | |
564 | *IX_P the index into the reader cache where the new tree is stored. */ | |
565 | ||
b9393656 | 566 | tree |
412288f1 DN |
567 | streamer_alloc_tree (struct lto_input_block *ib, struct data_in *data_in, |
568 | enum LTO_tags tag) | |
f0efc7aa | 569 | { |
f0efc7aa DN |
570 | enum tree_code code; |
571 | tree result; | |
f0efc7aa DN |
572 | |
573 | result = NULL_TREE; | |
574 | ||
f0efc7aa DN |
575 | code = lto_tag_to_tree_code (tag); |
576 | ||
577 | /* We should never see an SSA_NAME tree. Only the version numbers of | |
578 | SSA names are ever written out. See input_ssa_names. */ | |
579 | gcc_assert (code != SSA_NAME); | |
580 | ||
581 | /* Instantiate a new tree using the header data. */ | |
582 | if (CODE_CONTAINS_STRUCT (code, TS_STRING)) | |
412288f1 | 583 | result = streamer_read_string_cst (data_in, ib); |
f0efc7aa DN |
584 | else if (CODE_CONTAINS_STRUCT (code, TS_IDENTIFIER)) |
585 | result = input_identifier (data_in, ib); | |
586 | else if (CODE_CONTAINS_STRUCT (code, TS_VEC)) | |
587 | { | |
412288f1 | 588 | HOST_WIDE_INT len = streamer_read_hwi (ib); |
f0efc7aa DN |
589 | result = make_tree_vec (len); |
590 | } | |
d2a12ae7 RG |
591 | else if (CODE_CONTAINS_STRUCT (code, TS_VECTOR)) |
592 | { | |
593 | HOST_WIDE_INT len = streamer_read_hwi (ib); | |
ac9a074c | 594 | result = make_vector (len); |
d2a12ae7 | 595 | } |
f0efc7aa DN |
596 | else if (CODE_CONTAINS_STRUCT (code, TS_BINFO)) |
597 | { | |
412288f1 | 598 | unsigned HOST_WIDE_INT len = streamer_read_uhwi (ib); |
f0efc7aa DN |
599 | result = make_tree_binfo (len); |
600 | } | |
807e902e KZ |
601 | else if (CODE_CONTAINS_STRUCT (code, TS_INT_CST)) |
602 | { | |
603 | unsigned HOST_WIDE_INT len = streamer_read_uhwi (ib); | |
604 | unsigned HOST_WIDE_INT ext_len = streamer_read_uhwi (ib); | |
605 | result = make_int_cst (len, ext_len); | |
606 | } | |
b9393656 DN |
607 | else if (code == CALL_EXPR) |
608 | { | |
412288f1 | 609 | unsigned HOST_WIDE_INT nargs = streamer_read_uhwi (ib); |
b9393656 DN |
610 | return build_vl_exp (CALL_EXPR, nargs + 3); |
611 | } | |
c193f58b JJ |
612 | else if (code == OMP_CLAUSE) |
613 | { | |
614 | enum omp_clause_code subcode | |
615 | = (enum omp_clause_code) streamer_read_uhwi (ib); | |
616 | return build_omp_clause (UNKNOWN_LOCATION, subcode); | |
617 | } | |
f0efc7aa DN |
618 | else |
619 | { | |
b9393656 | 620 | /* For all other nodes, materialize the tree with a raw |
f0efc7aa | 621 | make_node call. */ |
b9393656 | 622 | result = make_node (code); |
f0efc7aa DN |
623 | } |
624 | ||
f0efc7aa DN |
625 | return result; |
626 | } | |
627 | ||
628 | ||
629 | /* Read all pointer fields in the TS_COMMON structure of EXPR from input | |
630 | block IB. DATA_IN contains tables and descriptors for the | |
631 | file being read. */ | |
632 | ||
633 | ||
634 | static void | |
635 | lto_input_ts_common_tree_pointers (struct lto_input_block *ib, | |
636 | struct data_in *data_in, tree expr) | |
637 | { | |
638 | if (TREE_CODE (expr) != IDENTIFIER_NODE) | |
b9393656 | 639 | TREE_TYPE (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
640 | } |
641 | ||
642 | ||
643 | /* Read all pointer fields in the TS_VECTOR structure of EXPR from input | |
644 | block IB. DATA_IN contains tables and descriptors for the | |
645 | file being read. */ | |
646 | ||
647 | static void | |
648 | lto_input_ts_vector_tree_pointers (struct lto_input_block *ib, | |
649 | struct data_in *data_in, tree expr) | |
650 | { | |
d2a12ae7 RG |
651 | unsigned i; |
652 | for (i = 0; i < VECTOR_CST_NELTS (expr); ++i) | |
653 | VECTOR_CST_ELT (expr, i) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
654 | } |
655 | ||
656 | ||
657 | /* Read all pointer fields in the TS_COMPLEX structure of EXPR from input | |
658 | block IB. DATA_IN contains tables and descriptors for the | |
659 | file being read. */ | |
660 | ||
661 | static void | |
662 | lto_input_ts_complex_tree_pointers (struct lto_input_block *ib, | |
663 | struct data_in *data_in, tree expr) | |
664 | { | |
b9393656 DN |
665 | TREE_REALPART (expr) = stream_read_tree (ib, data_in); |
666 | TREE_IMAGPART (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
667 | } |
668 | ||
669 | ||
670 | /* Read all pointer fields in the TS_DECL_MINIMAL structure of EXPR | |
671 | from input block IB. DATA_IN contains tables and descriptors for the | |
672 | file being read. */ | |
673 | ||
674 | static void | |
675 | lto_input_ts_decl_minimal_tree_pointers (struct lto_input_block *ib, | |
676 | struct data_in *data_in, tree expr) | |
677 | { | |
b9393656 DN |
678 | DECL_NAME (expr) = stream_read_tree (ib, data_in); |
679 | DECL_CONTEXT (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
680 | } |
681 | ||
682 | ||
683 | /* Read all pointer fields in the TS_DECL_COMMON structure of EXPR from | |
684 | input block IB. DATA_IN contains tables and descriptors for the | |
685 | file being read. */ | |
686 | ||
687 | static void | |
688 | lto_input_ts_decl_common_tree_pointers (struct lto_input_block *ib, | |
689 | struct data_in *data_in, tree expr) | |
690 | { | |
b9393656 DN |
691 | DECL_SIZE (expr) = stream_read_tree (ib, data_in); |
692 | DECL_SIZE_UNIT (expr) = stream_read_tree (ib, data_in); | |
693 | DECL_ATTRIBUTES (expr) = stream_read_tree (ib, data_in); | |
1ea85365 | 694 | DECL_ABSTRACT_ORIGIN (expr) = stream_read_tree (ib, data_in); |
f0efc7aa | 695 | |
8813a647 | 696 | if ((VAR_P (expr) || TREE_CODE (expr) == PARM_DECL) |
f0efc7aa | 697 | && DECL_HAS_VALUE_EXPR_P (expr)) |
b9393656 | 698 | SET_DECL_VALUE_EXPR (expr, stream_read_tree (ib, data_in)); |
f0efc7aa | 699 | |
8813a647 | 700 | if (VAR_P (expr)) |
f0efc7aa | 701 | { |
b9393656 | 702 | tree dexpr = stream_read_tree (ib, data_in); |
f0efc7aa DN |
703 | if (dexpr) |
704 | SET_DECL_DEBUG_EXPR (expr, dexpr); | |
705 | } | |
706 | } | |
707 | ||
708 | ||
709 | /* Read all pointer fields in the TS_DECL_NON_COMMON structure of | |
710 | EXPR from input block IB. DATA_IN contains tables and descriptors for the | |
711 | file being read. */ | |
712 | ||
713 | static void | |
714 | lto_input_ts_decl_non_common_tree_pointers (struct lto_input_block *ib, | |
715 | struct data_in *data_in, tree expr) | |
716 | { | |
815effe1 | 717 | if (TREE_CODE (expr) == TYPE_DECL) |
ea973bad | 718 | DECL_ORIGINAL_TYPE (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
719 | } |
720 | ||
721 | ||
722 | /* Read all pointer fields in the TS_DECL_WITH_VIS structure of EXPR | |
723 | from input block IB. DATA_IN contains tables and descriptors for the | |
724 | file being read. */ | |
725 | ||
726 | static void | |
727 | lto_input_ts_decl_with_vis_tree_pointers (struct lto_input_block *ib, | |
728 | struct data_in *data_in, tree expr) | |
729 | { | |
730 | tree id; | |
731 | ||
b9393656 | 732 | id = stream_read_tree (ib, data_in); |
f0efc7aa DN |
733 | if (id) |
734 | { | |
735 | gcc_assert (TREE_CODE (id) == IDENTIFIER_NODE); | |
736 | SET_DECL_ASSEMBLER_NAME (expr, id); | |
737 | } | |
f0efc7aa DN |
738 | } |
739 | ||
740 | ||
741 | /* Read all pointer fields in the TS_FIELD_DECL structure of EXPR from | |
742 | input block IB. DATA_IN contains tables and descriptors for the | |
743 | file being read. */ | |
744 | ||
745 | static void | |
746 | lto_input_ts_field_decl_tree_pointers (struct lto_input_block *ib, | |
747 | struct data_in *data_in, tree expr) | |
748 | { | |
b9393656 DN |
749 | DECL_FIELD_OFFSET (expr) = stream_read_tree (ib, data_in); |
750 | DECL_BIT_FIELD_TYPE (expr) = stream_read_tree (ib, data_in); | |
26c71b93 | 751 | DECL_BIT_FIELD_REPRESENTATIVE (expr) = stream_read_tree (ib, data_in); |
b9393656 DN |
752 | DECL_FIELD_BIT_OFFSET (expr) = stream_read_tree (ib, data_in); |
753 | DECL_FCONTEXT (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
754 | } |
755 | ||
756 | ||
757 | /* Read all pointer fields in the TS_FUNCTION_DECL structure of EXPR | |
758 | from input block IB. DATA_IN contains tables and descriptors for the | |
759 | file being read. */ | |
760 | ||
761 | static void | |
762 | lto_input_ts_function_decl_tree_pointers (struct lto_input_block *ib, | |
763 | struct data_in *data_in, tree expr) | |
764 | { | |
aaf8a23e JH |
765 | DECL_VINDEX (expr) = stream_read_tree (ib, data_in); |
766 | /* DECL_STRUCT_FUNCTION is loaded on demand by cgraph_get_body. */ | |
b9393656 | 767 | DECL_FUNCTION_PERSONALITY (expr) = stream_read_tree (ib, data_in); |
1b34e6e2 | 768 | #ifndef ACCEL_COMPILER |
61204ad9 | 769 | DECL_FUNCTION_SPECIFIC_TARGET (expr) = stream_read_tree (ib, data_in); |
1b34e6e2 | 770 | #endif |
b9393656 | 771 | DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr) = stream_read_tree (ib, data_in); |
3cd36125 TV |
772 | #ifdef ACCEL_COMPILER |
773 | { | |
774 | tree opts = DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr); | |
775 | if (opts) | |
776 | { | |
777 | struct gcc_options tmp; | |
778 | init_options_struct (&tmp, NULL); | |
779 | cl_optimization_restore (&tmp, TREE_OPTIMIZATION (opts)); | |
780 | finish_options (&tmp, &global_options_set, UNKNOWN_LOCATION); | |
781 | opts = build_optimization_node (&tmp); | |
782 | finalize_options_struct (&tmp); | |
783 | DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr) = opts; | |
784 | } | |
785 | } | |
786 | #endif | |
f0efc7aa DN |
787 | |
788 | /* If the file contains a function with an EH personality set, | |
789 | then it was compiled with -fexceptions. In that case, initialize | |
790 | the backend EH machinery. */ | |
791 | if (DECL_FUNCTION_PERSONALITY (expr)) | |
792 | lto_init_eh (); | |
793 | } | |
794 | ||
795 | ||
796 | /* Read all pointer fields in the TS_TYPE_COMMON structure of EXPR from | |
797 | input block IB. DATA_IN contains tables and descriptors for the file | |
798 | being read. */ | |
799 | ||
800 | static void | |
801 | lto_input_ts_type_common_tree_pointers (struct lto_input_block *ib, | |
802 | struct data_in *data_in, tree expr) | |
803 | { | |
010f4e27 JH |
804 | TYPE_SIZE (expr) = stream_read_tree (ib, data_in); |
805 | TYPE_SIZE_UNIT (expr) = stream_read_tree (ib, data_in); | |
806 | TYPE_ATTRIBUTES (expr) = stream_read_tree (ib, data_in); | |
b9393656 | 807 | TYPE_NAME (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
808 | /* Do not stream TYPE_POINTER_TO or TYPE_REFERENCE_TO. They will be |
809 | reconstructed during fixup. */ | |
810 | /* Do not stream TYPE_NEXT_VARIANT, we reconstruct the variant lists | |
811 | during fixup. */ | |
010f4e27 JH |
812 | TYPE_MAIN_VARIANT (expr) = stream_read_tree (ib, data_in); |
813 | TYPE_CONTEXT (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
814 | /* TYPE_CANONICAL gets re-computed during type merging. */ |
815 | TYPE_CANONICAL (expr) = NULL_TREE; | |
010f4e27 | 816 | TYPE_STUB_DECL (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
817 | } |
818 | ||
819 | /* Read all pointer fields in the TS_TYPE_NON_COMMON structure of EXPR | |
820 | from input block IB. DATA_IN contains tables and descriptors for the | |
821 | file being read. */ | |
822 | ||
823 | static void | |
824 | lto_input_ts_type_non_common_tree_pointers (struct lto_input_block *ib, | |
825 | struct data_in *data_in, | |
826 | tree expr) | |
827 | { | |
010f4e27 JH |
828 | if (TREE_CODE (expr) == ENUMERAL_TYPE) |
829 | TYPE_VALUES (expr) = stream_read_tree (ib, data_in); | |
830 | else if (TREE_CODE (expr) == ARRAY_TYPE) | |
831 | TYPE_DOMAIN (expr) = stream_read_tree (ib, data_in); | |
832 | else if (RECORD_OR_UNION_TYPE_P (expr)) | |
4acd1c84 | 833 | TYPE_FIELDS (expr) = streamer_read_chain (ib, data_in); |
f0efc7aa | 834 | else if (TREE_CODE (expr) == FUNCTION_TYPE |
010f4e27 | 835 | || TREE_CODE (expr) == METHOD_TYPE) |
b9393656 | 836 | TYPE_ARG_TYPES (expr) = stream_read_tree (ib, data_in); |
010f4e27 JH |
837 | |
838 | if (!POINTER_TYPE_P (expr)) | |
20deef65 NS |
839 | TYPE_MIN_VALUE_RAW (expr) = stream_read_tree (ib, data_in); |
840 | TYPE_MAX_VALUE_RAW (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
841 | } |
842 | ||
843 | ||
844 | /* Read all pointer fields in the TS_LIST structure of EXPR from input | |
845 | block IB. DATA_IN contains tables and descriptors for the | |
846 | file being read. */ | |
847 | ||
848 | static void | |
849 | lto_input_ts_list_tree_pointers (struct lto_input_block *ib, | |
850 | struct data_in *data_in, tree expr) | |
851 | { | |
b9393656 DN |
852 | TREE_PURPOSE (expr) = stream_read_tree (ib, data_in); |
853 | TREE_VALUE (expr) = stream_read_tree (ib, data_in); | |
ee03e71d | 854 | TREE_CHAIN (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
855 | } |
856 | ||
857 | ||
858 | /* Read all pointer fields in the TS_VEC structure of EXPR from input | |
859 | block IB. DATA_IN contains tables and descriptors for the | |
860 | file being read. */ | |
861 | ||
862 | static void | |
863 | lto_input_ts_vec_tree_pointers (struct lto_input_block *ib, | |
864 | struct data_in *data_in, tree expr) | |
865 | { | |
866 | int i; | |
867 | ||
412288f1 | 868 | /* Note that TREE_VEC_LENGTH was read by streamer_alloc_tree to |
f0efc7aa DN |
869 | instantiate EXPR. */ |
870 | for (i = 0; i < TREE_VEC_LENGTH (expr); i++) | |
b9393656 | 871 | TREE_VEC_ELT (expr, i) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
872 | } |
873 | ||
874 | ||
875 | /* Read all pointer fields in the TS_EXP structure of EXPR from input | |
876 | block IB. DATA_IN contains tables and descriptors for the | |
877 | file being read. */ | |
878 | ||
879 | ||
880 | static void | |
881 | lto_input_ts_exp_tree_pointers (struct lto_input_block *ib, | |
882 | struct data_in *data_in, tree expr) | |
883 | { | |
0127aae4 | 884 | int i; |
eaeec5ec | 885 | tree block; |
f0efc7aa | 886 | |
0127aae4 | 887 | for (i = 0; i < TREE_OPERAND_LENGTH (expr); i++) |
b9393656 | 888 | TREE_OPERAND (expr, i) = stream_read_tree (ib, data_in); |
f0efc7aa | 889 | |
eaeec5ec JH |
890 | block = stream_read_tree (ib, data_in); |
891 | ||
892 | /* TODO: Block is stored in the locus information. It may make more sense to | |
893 | to make it go via the location cache. */ | |
894 | if (block) | |
895 | { | |
896 | data_in->location_cache.apply_location_cache (); | |
897 | TREE_SET_BLOCK (expr, block); | |
898 | } | |
f0efc7aa DN |
899 | } |
900 | ||
901 | ||
902 | /* Read all pointer fields in the TS_BLOCK structure of EXPR from input | |
903 | block IB. DATA_IN contains tables and descriptors for the | |
904 | file being read. */ | |
905 | ||
906 | static void | |
907 | lto_input_ts_block_tree_pointers (struct lto_input_block *ib, | |
908 | struct data_in *data_in, tree expr) | |
909 | { | |
412288f1 | 910 | BLOCK_VARS (expr) = streamer_read_chain (ib, data_in); |
f0efc7aa | 911 | |
b9393656 | 912 | BLOCK_SUPERCONTEXT (expr) = stream_read_tree (ib, data_in); |
f0efc7aa | 913 | |
5c1eb617 RG |
914 | /* Stream BLOCK_ABSTRACT_ORIGIN and BLOCK_SOURCE_LOCATION for |
915 | the limited cases we can handle - those that represent inlined | |
916 | function scopes. For the rest them on the floor instead of ICEing in | |
f0efc7aa | 917 | dwarf2out.c. */ |
5c1eb617 | 918 | BLOCK_ABSTRACT_ORIGIN (expr) = stream_read_tree (ib, data_in); |
5c1eb617 RG |
919 | /* Do not stream BLOCK_NONLOCALIZED_VARS. We cannot handle debug information |
920 | for early inlined BLOCKs so drop it on the floor instead of ICEing in | |
921 | dwarf2out.c. */ | |
922 | ||
923 | /* BLOCK_FRAGMENT_ORIGIN and BLOCK_FRAGMENT_CHAIN is not live at LTO | |
924 | streaming time. */ | |
f0efc7aa DN |
925 | |
926 | /* We re-compute BLOCK_SUBBLOCKS of our parent here instead | |
927 | of streaming it. For non-BLOCK BLOCK_SUPERCONTEXTs we still | |
928 | stream the child relationship explicitly. */ | |
929 | if (BLOCK_SUPERCONTEXT (expr) | |
930 | && TREE_CODE (BLOCK_SUPERCONTEXT (expr)) == BLOCK) | |
931 | { | |
932 | BLOCK_CHAIN (expr) = BLOCK_SUBBLOCKS (BLOCK_SUPERCONTEXT (expr)); | |
933 | BLOCK_SUBBLOCKS (BLOCK_SUPERCONTEXT (expr)) = expr; | |
934 | } | |
935 | ||
936 | /* The global block is rooted at the TU decl. Hook it here to | |
937 | avoid the need to stream in this block during WPA time. */ | |
938 | else if (BLOCK_SUPERCONTEXT (expr) | |
939 | && TREE_CODE (BLOCK_SUPERCONTEXT (expr)) == TRANSLATION_UNIT_DECL) | |
940 | DECL_INITIAL (BLOCK_SUPERCONTEXT (expr)) = expr; | |
941 | ||
942 | /* The function-level block is connected at the time we read in | |
943 | function bodies for the same reason. */ | |
944 | } | |
945 | ||
946 | ||
947 | /* Read all pointer fields in the TS_BINFO structure of EXPR from input | |
948 | block IB. DATA_IN contains tables and descriptors for the | |
949 | file being read. */ | |
950 | ||
951 | static void | |
952 | lto_input_ts_binfo_tree_pointers (struct lto_input_block *ib, | |
953 | struct data_in *data_in, tree expr) | |
954 | { | |
0127aae4 | 955 | unsigned i; |
f0efc7aa DN |
956 | tree t; |
957 | ||
958 | /* Note that the number of slots in EXPR was read in | |
412288f1 | 959 | streamer_alloc_tree when instantiating EXPR. However, the |
9771b263 | 960 | vector is empty so we cannot rely on vec::length to know how many |
f0efc7aa DN |
961 | elements to read. So, this list is emitted as a 0-terminated |
962 | list on the writer side. */ | |
963 | do | |
964 | { | |
b9393656 | 965 | t = stream_read_tree (ib, data_in); |
f0efc7aa | 966 | if (t) |
9771b263 | 967 | BINFO_BASE_BINFOS (expr)->quick_push (t); |
f0efc7aa DN |
968 | } |
969 | while (t); | |
970 | ||
b9393656 DN |
971 | BINFO_OFFSET (expr) = stream_read_tree (ib, data_in); |
972 | BINFO_VTABLE (expr) = stream_read_tree (ib, data_in); | |
b9393656 | 973 | BINFO_VPTR_FIELD (expr) = stream_read_tree (ib, data_in); |
f0efc7aa | 974 | |
0127aae4 RG |
975 | /* The vector of BINFO_BASE_ACCESSES is pre-allocated during |
976 | unpacking the bitfield section. */ | |
9771b263 | 977 | for (i = 0; i < vec_safe_length (BINFO_BASE_ACCESSES (expr)); i++) |
f0efc7aa | 978 | { |
0127aae4 | 979 | tree a = stream_read_tree (ib, data_in); |
9771b263 | 980 | (*BINFO_BASE_ACCESSES (expr))[i] = a; |
f0efc7aa | 981 | } |
184799e7 JH |
982 | /* Do not walk BINFO_INHERITANCE_CHAIN, BINFO_SUBVTT_INDEX |
983 | and BINFO_VPTR_INDEX; these are used by C++ FE only. */ | |
f0efc7aa DN |
984 | } |
985 | ||
986 | ||
987 | /* Read all pointer fields in the TS_CONSTRUCTOR structure of EXPR from | |
988 | input block IB. DATA_IN contains tables and descriptors for the | |
989 | file being read. */ | |
990 | ||
991 | static void | |
992 | lto_input_ts_constructor_tree_pointers (struct lto_input_block *ib, | |
993 | struct data_in *data_in, tree expr) | |
994 | { | |
0127aae4 | 995 | unsigned i; |
f0efc7aa | 996 | |
0127aae4 | 997 | for (i = 0; i < CONSTRUCTOR_NELTS (expr); i++) |
f0efc7aa | 998 | { |
0127aae4 RG |
999 | constructor_elt e; |
1000 | e.index = stream_read_tree (ib, data_in); | |
1001 | e.value = stream_read_tree (ib, data_in); | |
9771b263 | 1002 | (*CONSTRUCTOR_ELTS (expr))[i] = e; |
f0efc7aa DN |
1003 | } |
1004 | } | |
1005 | ||
1006 | ||
c193f58b JJ |
1007 | /* Read all pointer fields in the TS_OMP_CLAUSE structure of EXPR from |
1008 | input block IB. DATA_IN contains tables and descriptors for the | |
1009 | file being read. */ | |
1010 | ||
1011 | static void | |
1012 | lto_input_ts_omp_clause_tree_pointers (struct lto_input_block *ib, | |
1013 | struct data_in *data_in, tree expr) | |
1014 | { | |
1015 | int i; | |
1016 | ||
1017 | for (i = 0; i < omp_clause_num_ops[OMP_CLAUSE_CODE (expr)]; i++) | |
1018 | OMP_CLAUSE_OPERAND (expr, i) = stream_read_tree (ib, data_in); | |
1019 | OMP_CLAUSE_CHAIN (expr) = stream_read_tree (ib, data_in); | |
1020 | } | |
1021 | ||
1022 | ||
b9393656 DN |
1023 | /* Read all pointer fields in EXPR from input block IB. DATA_IN |
1024 | contains tables and descriptors for the file being read. */ | |
f0efc7aa | 1025 | |
b9393656 | 1026 | void |
412288f1 | 1027 | streamer_read_tree_body (struct lto_input_block *ib, struct data_in *data_in, |
f0efc7aa DN |
1028 | tree expr) |
1029 | { | |
1030 | enum tree_code code; | |
1031 | ||
1032 | code = TREE_CODE (expr); | |
1033 | ||
1034 | if (CODE_CONTAINS_STRUCT (code, TS_TYPED)) | |
1035 | lto_input_ts_common_tree_pointers (ib, data_in, expr); | |
1036 | ||
1037 | if (CODE_CONTAINS_STRUCT (code, TS_VECTOR)) | |
1038 | lto_input_ts_vector_tree_pointers (ib, data_in, expr); | |
1039 | ||
1040 | if (CODE_CONTAINS_STRUCT (code, TS_COMPLEX)) | |
1041 | lto_input_ts_complex_tree_pointers (ib, data_in, expr); | |
1042 | ||
1043 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL)) | |
1044 | lto_input_ts_decl_minimal_tree_pointers (ib, data_in, expr); | |
1045 | ||
1046 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON)) | |
1047 | lto_input_ts_decl_common_tree_pointers (ib, data_in, expr); | |
1048 | ||
1049 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_NON_COMMON)) | |
1050 | lto_input_ts_decl_non_common_tree_pointers (ib, data_in, expr); | |
1051 | ||
1052 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS)) | |
1053 | lto_input_ts_decl_with_vis_tree_pointers (ib, data_in, expr); | |
1054 | ||
1055 | if (CODE_CONTAINS_STRUCT (code, TS_FIELD_DECL)) | |
1056 | lto_input_ts_field_decl_tree_pointers (ib, data_in, expr); | |
1057 | ||
1058 | if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL)) | |
1059 | lto_input_ts_function_decl_tree_pointers (ib, data_in, expr); | |
1060 | ||
1061 | if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON)) | |
1062 | lto_input_ts_type_common_tree_pointers (ib, data_in, expr); | |
1063 | ||
1064 | if (CODE_CONTAINS_STRUCT (code, TS_TYPE_NON_COMMON)) | |
1065 | lto_input_ts_type_non_common_tree_pointers (ib, data_in, expr); | |
1066 | ||
1067 | if (CODE_CONTAINS_STRUCT (code, TS_LIST)) | |
1068 | lto_input_ts_list_tree_pointers (ib, data_in, expr); | |
1069 | ||
1070 | if (CODE_CONTAINS_STRUCT (code, TS_VEC)) | |
1071 | lto_input_ts_vec_tree_pointers (ib, data_in, expr); | |
1072 | ||
1073 | if (CODE_CONTAINS_STRUCT (code, TS_EXP)) | |
1074 | lto_input_ts_exp_tree_pointers (ib, data_in, expr); | |
1075 | ||
1076 | if (CODE_CONTAINS_STRUCT (code, TS_BLOCK)) | |
1077 | lto_input_ts_block_tree_pointers (ib, data_in, expr); | |
1078 | ||
1079 | if (CODE_CONTAINS_STRUCT (code, TS_BINFO)) | |
1080 | lto_input_ts_binfo_tree_pointers (ib, data_in, expr); | |
1081 | ||
1082 | if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR)) | |
1083 | lto_input_ts_constructor_tree_pointers (ib, data_in, expr); | |
c193f58b JJ |
1084 | |
1085 | if (code == OMP_CLAUSE) | |
1086 | lto_input_ts_omp_clause_tree_pointers (ib, data_in, expr); | |
f0efc7aa DN |
1087 | } |
1088 | ||
1089 | ||
f0efc7aa DN |
1090 | /* Read an index IX from input block IB and return the tree node at |
1091 | DATA_IN->FILE_DATA->GLOBALS_INDEX[IX]. */ | |
1092 | ||
b9393656 | 1093 | tree |
412288f1 | 1094 | streamer_get_pickled_tree (struct lto_input_block *ib, struct data_in *data_in) |
f0efc7aa DN |
1095 | { |
1096 | unsigned HOST_WIDE_INT ix; | |
1097 | tree result; | |
1098 | enum LTO_tags expected_tag; | |
1099 | ||
412288f1 DN |
1100 | ix = streamer_read_uhwi (ib); |
1101 | expected_tag = streamer_read_enum (ib, LTO_tags, LTO_NUM_TAGS); | |
f0efc7aa | 1102 | |
ee03e71d | 1103 | result = streamer_tree_cache_get_tree (data_in->reader_cache, ix); |
f0efc7aa DN |
1104 | gcc_assert (result |
1105 | && TREE_CODE (result) == lto_tag_to_tree_code (expected_tag)); | |
1106 | ||
1107 | return result; | |
1108 | } |