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Commit | Line | Data |
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f0efc7aa DN |
1 | /* Routines for reading trees from a file stream. |
2 | ||
85ec4feb | 3 | Copyright (C) 2011-2018 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 | } | |
c15ac92c RB |
162 | else if (TREE_CODE (expr) == CALL_EXPR) |
163 | { | |
164 | CALL_EXPR_BY_DESCRIPTOR (expr) = (unsigned) bp_unpack_value (bp, 1); | |
165 | bp_unpack_value (bp, 8); | |
166 | } | |
f0efc7aa | 167 | else |
b6bf201e | 168 | bp_unpack_value (bp, 9); |
f0efc7aa DN |
169 | } |
170 | ||
171 | ||
c61f8c3b RG |
172 | /* Unpack all the non-pointer fields of the TS_INT_CST structure of |
173 | expression EXPR from bitpack BP. */ | |
174 | ||
175 | static void | |
176 | unpack_ts_int_cst_value_fields (struct bitpack_d *bp, tree expr) | |
177 | { | |
807e902e KZ |
178 | int i; |
179 | for (i = 0; i < TREE_INT_CST_EXT_NUNITS (expr); i++) | |
180 | TREE_INT_CST_ELT (expr, i) = bp_unpack_var_len_int (bp); | |
c61f8c3b RG |
181 | } |
182 | ||
183 | ||
f0efc7aa DN |
184 | /* Unpack all the non-pointer fields of the TS_REAL_CST structure of |
185 | expression EXPR from bitpack BP. */ | |
186 | ||
187 | static void | |
188 | unpack_ts_real_cst_value_fields (struct bitpack_d *bp, tree expr) | |
189 | { | |
190 | unsigned i; | |
191 | REAL_VALUE_TYPE r; | |
192 | REAL_VALUE_TYPE *rp; | |
193 | ||
a822564d JJ |
194 | /* Clear all bits of the real value type so that we can later do |
195 | bitwise comparisons to see if two values are the same. */ | |
196 | memset (&r, 0, sizeof r); | |
f0efc7aa DN |
197 | r.cl = (unsigned) bp_unpack_value (bp, 2); |
198 | r.decimal = (unsigned) bp_unpack_value (bp, 1); | |
199 | r.sign = (unsigned) bp_unpack_value (bp, 1); | |
200 | r.signalling = (unsigned) bp_unpack_value (bp, 1); | |
201 | r.canonical = (unsigned) bp_unpack_value (bp, 1); | |
202 | r.uexp = (unsigned) bp_unpack_value (bp, EXP_BITS); | |
203 | for (i = 0; i < SIGSZ; i++) | |
204 | r.sig[i] = (unsigned long) bp_unpack_value (bp, HOST_BITS_PER_LONG); | |
205 | ||
766090c2 | 206 | rp = ggc_alloc<real_value> (); |
f0efc7aa DN |
207 | memcpy (rp, &r, sizeof (REAL_VALUE_TYPE)); |
208 | TREE_REAL_CST_PTR (expr) = rp; | |
209 | } | |
210 | ||
211 | ||
212 | /* Unpack all the non-pointer fields of the TS_FIXED_CST structure of | |
213 | expression EXPR from bitpack BP. */ | |
214 | ||
215 | static void | |
216 | unpack_ts_fixed_cst_value_fields (struct bitpack_d *bp, tree expr) | |
217 | { | |
766090c2 | 218 | FIXED_VALUE_TYPE *fp = ggc_alloc<fixed_value> (); |
382615c6 | 219 | fp->mode = as_a <scalar_mode> (bp_unpack_machine_mode (bp)); |
f57f20bb RG |
220 | fp->data.low = bp_unpack_var_len_int (bp); |
221 | fp->data.high = bp_unpack_var_len_int (bp); | |
222 | TREE_FIXED_CST_PTR (expr) = fp; | |
f0efc7aa DN |
223 | } |
224 | ||
f0efc7aa DN |
225 | /* Unpack all the non-pointer fields of the TS_DECL_COMMON structure |
226 | of expression EXPR from bitpack BP. */ | |
227 | ||
228 | static void | |
229 | unpack_ts_decl_common_value_fields (struct bitpack_d *bp, tree expr) | |
230 | { | |
899ca90e | 231 | SET_DECL_MODE (expr, bp_unpack_machine_mode (bp)); |
f0efc7aa DN |
232 | DECL_NONLOCAL (expr) = (unsigned) bp_unpack_value (bp, 1); |
233 | DECL_VIRTUAL_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
234 | DECL_IGNORED_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
00de328a | 235 | DECL_ABSTRACT_P (expr) = (unsigned) bp_unpack_value (bp, 1); |
f0efc7aa DN |
236 | DECL_ARTIFICIAL (expr) = (unsigned) bp_unpack_value (bp, 1); |
237 | DECL_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, 1); | |
238 | DECL_PRESERVE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa DN |
239 | DECL_EXTERNAL (expr) = (unsigned) bp_unpack_value (bp, 1); |
240 | DECL_GIMPLE_REG_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
fe37c7af | 241 | SET_DECL_ALIGN (expr, (unsigned) bp_unpack_var_len_unsigned (bp)); |
6d2b7199 BS |
242 | #ifdef ACCEL_COMPILER |
243 | if (DECL_ALIGN (expr) > targetm.absolute_biggest_alignment) | |
fe37c7af | 244 | SET_DECL_ALIGN (expr, targetm.absolute_biggest_alignment); |
6d2b7199 | 245 | #endif |
f0efc7aa DN |
246 | if (TREE_CODE (expr) == LABEL_DECL) |
247 | { | |
f0efc7aa DN |
248 | EH_LANDING_PAD_NR (expr) = (int) bp_unpack_var_len_unsigned (bp); |
249 | ||
250 | /* Always assume an initial value of -1 for LABEL_DECL_UID to | |
251 | force gimple_set_bb to recreate label_to_block_map. */ | |
252 | LABEL_DECL_UID (expr) = -1; | |
253 | } | |
254 | ||
7fa35a4b | 255 | else if (TREE_CODE (expr) == FIELD_DECL) |
f0efc7aa DN |
256 | { |
257 | DECL_PACKED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
258 | DECL_NONADDRESSABLE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
974aedcc | 259 | DECL_PADDING_P (expr) = (unsigned) bp_unpack_value (bp, 1); |
f0efc7aa DN |
260 | expr->decl_common.off_align = bp_unpack_value (bp, 8); |
261 | } | |
262 | ||
7fa35a4b | 263 | else if (VAR_P (expr)) |
839b422f RB |
264 | { |
265 | DECL_HAS_DEBUG_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
266 | DECL_NONLOCAL_FRAME (expr) = (unsigned) bp_unpack_value (bp, 1); | |
267 | } | |
0f1e8842 | 268 | |
7fa35a4b JJ |
269 | else if (TREE_CODE (expr) == PARM_DECL) |
270 | DECL_HIDDEN_STRING_LENGTH (expr) = (unsigned) bp_unpack_value (bp, 1); | |
271 | ||
f0efc7aa DN |
272 | if (TREE_CODE (expr) == RESULT_DECL |
273 | || TREE_CODE (expr) == PARM_DECL | |
8813a647 | 274 | || VAR_P (expr)) |
f0efc7aa DN |
275 | { |
276 | DECL_BY_REFERENCE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
8813a647 | 277 | if (VAR_P (expr) || TREE_CODE (expr) == PARM_DECL) |
f0efc7aa | 278 | DECL_HAS_VALUE_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1); |
f0efc7aa DN |
279 | } |
280 | } | |
281 | ||
282 | ||
283 | /* Unpack all the non-pointer fields of the TS_DECL_WRTL structure | |
284 | of expression EXPR from bitpack BP. */ | |
285 | ||
286 | static void | |
287 | unpack_ts_decl_wrtl_value_fields (struct bitpack_d *bp, tree expr) | |
288 | { | |
289 | DECL_REGISTER (expr) = (unsigned) bp_unpack_value (bp, 1); | |
290 | } | |
291 | ||
292 | ||
293 | /* Unpack all the non-pointer fields of the TS_DECL_WITH_VIS structure | |
294 | of expression EXPR from bitpack BP. */ | |
295 | ||
296 | static void | |
297 | unpack_ts_decl_with_vis_value_fields (struct bitpack_d *bp, tree expr) | |
298 | { | |
f0efc7aa DN |
299 | DECL_COMMON (expr) = (unsigned) bp_unpack_value (bp, 1); |
300 | DECL_DLLIMPORT_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
301 | DECL_WEAK (expr) = (unsigned) bp_unpack_value (bp, 1); | |
302 | DECL_SEEN_IN_BIND_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
303 | DECL_COMDAT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
304 | DECL_VISIBILITY (expr) = (enum symbol_visibility) bp_unpack_value (bp, 2); | |
305 | DECL_VISIBILITY_SPECIFIED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
306 | ||
8813a647 | 307 | if (VAR_P (expr)) |
f0efc7aa DN |
308 | { |
309 | DECL_HARD_REGISTER (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa | 310 | DECL_IN_CONSTANT_POOL (expr) = (unsigned) bp_unpack_value (bp, 1); |
f0efc7aa DN |
311 | } |
312 | ||
0170f33c JH |
313 | if (TREE_CODE (expr) == FUNCTION_DECL) |
314 | { | |
315 | DECL_FINAL_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
316 | DECL_CXX_CONSTRUCTOR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
317 | DECL_CXX_DESTRUCTOR_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
318 | } | |
f0efc7aa DN |
319 | } |
320 | ||
321 | ||
322 | /* Unpack all the non-pointer fields of the TS_FUNCTION_DECL structure | |
323 | of expression EXPR from bitpack BP. */ | |
324 | ||
325 | static void | |
326 | unpack_ts_function_decl_value_fields (struct bitpack_d *bp, tree expr) | |
327 | { | |
328 | DECL_BUILT_IN_CLASS (expr) = bp_unpack_enum (bp, built_in_class, | |
329 | BUILT_IN_LAST); | |
330 | DECL_STATIC_CONSTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, 1); | |
331 | DECL_STATIC_DESTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, 1); | |
332 | DECL_UNINLINABLE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
333 | DECL_POSSIBLY_INLINED (expr) = (unsigned) bp_unpack_value (bp, 1); | |
334 | DECL_IS_NOVOPS (expr) = (unsigned) bp_unpack_value (bp, 1); | |
335 | DECL_IS_RETURNS_TWICE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
336 | DECL_IS_MALLOC (expr) = (unsigned) bp_unpack_value (bp, 1); | |
337 | DECL_IS_OPERATOR_NEW (expr) = (unsigned) bp_unpack_value (bp, 1); | |
338 | DECL_DECLARED_INLINE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
339 | DECL_STATIC_CHAIN (expr) = (unsigned) bp_unpack_value (bp, 1); | |
340 | DECL_NO_INLINE_WARNING_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
341 | DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (expr) | |
342 | = (unsigned) bp_unpack_value (bp, 1); | |
343 | DECL_NO_LIMIT_STACK (expr) = (unsigned) bp_unpack_value (bp, 1); | |
344 | DECL_DISREGARD_INLINE_LIMITS (expr) = (unsigned) bp_unpack_value (bp, 1); | |
345 | DECL_PURE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
346 | DECL_LOOPING_CONST_OR_PURE_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
347 | if (DECL_BUILT_IN_CLASS (expr) != NOT_BUILT_IN) | |
348 | { | |
349 | DECL_FUNCTION_CODE (expr) = (enum built_in_function) bp_unpack_value (bp, | |
3c350d48 | 350 | 12); |
f0efc7aa DN |
351 | if (DECL_BUILT_IN_CLASS (expr) == BUILT_IN_NORMAL |
352 | && DECL_FUNCTION_CODE (expr) >= END_BUILTINS) | |
40fecdd6 JM |
353 | fatal_error (input_location, |
354 | "machine independent builtin code out of range"); | |
f0efc7aa DN |
355 | else if (DECL_BUILT_IN_CLASS (expr) == BUILT_IN_MD) |
356 | { | |
357 | tree result = targetm.builtin_decl (DECL_FUNCTION_CODE (expr), true); | |
358 | if (!result || result == error_mark_node) | |
40fecdd6 JM |
359 | fatal_error (input_location, |
360 | "target specific builtin not available"); | |
f0efc7aa DN |
361 | } |
362 | } | |
f0efc7aa DN |
363 | } |
364 | ||
365 | ||
366 | /* Unpack all the non-pointer fields of the TS_TYPE_COMMON structure | |
367 | of expression EXPR from bitpack BP. */ | |
368 | ||
369 | static void | |
370 | unpack_ts_type_common_value_fields (struct bitpack_d *bp, tree expr) | |
371 | { | |
ef4bddc2 | 372 | machine_mode mode; |
f0efc7aa | 373 | |
db847fa8 | 374 | mode = bp_unpack_machine_mode (bp); |
f0efc7aa DN |
375 | SET_TYPE_MODE (expr, mode); |
376 | TYPE_STRING_FLAG (expr) = (unsigned) bp_unpack_value (bp, 1); | |
351d90f4 JH |
377 | /* TYPE_NO_FORCE_BLK is private to stor-layout and need |
378 | no streaming. */ | |
f0efc7aa | 379 | TYPE_NEEDS_CONSTRUCTING (expr) = (unsigned) bp_unpack_value (bp, 1); |
ba6a6a1d JH |
380 | TYPE_PACKED (expr) = (unsigned) bp_unpack_value (bp, 1); |
381 | TYPE_RESTRICT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
382 | TYPE_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, 1); | |
383 | TYPE_READONLY (expr) = (unsigned) bp_unpack_value (bp, 1); | |
f0efc7aa | 384 | if (RECORD_OR_UNION_TYPE_P (expr)) |
0170f33c JH |
385 | { |
386 | TYPE_TRANSPARENT_AGGR (expr) = (unsigned) bp_unpack_value (bp, 1); | |
387 | TYPE_FINAL_P (expr) = (unsigned) bp_unpack_value (bp, 1); | |
388 | } | |
04208228 EB |
389 | else if (TREE_CODE (expr) == ARRAY_TYPE) |
390 | TYPE_NONALIASED_COMPONENT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
350792ff RB |
391 | if (AGGREGATE_TYPE_P (expr)) |
392 | TYPE_TYPELESS_STORAGE (expr) = (unsigned) bp_unpack_value (bp, 1); | |
974aedcc | 393 | TYPE_EMPTY_P (expr) = (unsigned) bp_unpack_value (bp, 1); |
f0efc7aa | 394 | TYPE_PRECISION (expr) = bp_unpack_var_len_unsigned (bp); |
fe37c7af | 395 | SET_TYPE_ALIGN (expr, bp_unpack_var_len_unsigned (bp)); |
6d2b7199 BS |
396 | #ifdef ACCEL_COMPILER |
397 | if (TYPE_ALIGN (expr) > targetm.absolute_biggest_alignment) | |
fe37c7af | 398 | SET_TYPE_ALIGN (expr, targetm.absolute_biggest_alignment); |
6d2b7199 | 399 | #endif |
f0efc7aa DN |
400 | } |
401 | ||
402 | ||
403 | /* Unpack all the non-pointer fields of the TS_BLOCK structure | |
404 | of expression EXPR from bitpack BP. */ | |
405 | ||
406 | static void | |
7cb7d208 RB |
407 | unpack_ts_block_value_fields (struct data_in *data_in, |
408 | struct bitpack_d *bp, tree expr) | |
f0efc7aa DN |
409 | { |
410 | BLOCK_ABSTRACT (expr) = (unsigned) bp_unpack_value (bp, 1); | |
411 | /* BLOCK_NUMBER is recomputed. */ | |
eaeec5ec | 412 | stream_input_location (&BLOCK_SOURCE_LOCATION (expr), bp, data_in); |
f0efc7aa DN |
413 | } |
414 | ||
415 | /* Unpack all the non-pointer fields of the TS_TRANSLATION_UNIT_DECL | |
416 | structure of expression EXPR from bitpack BP. */ | |
417 | ||
418 | static void | |
8135e1e6 RB |
419 | unpack_ts_translation_unit_decl_value_fields (struct data_in *data_in, |
420 | struct bitpack_d *bp, tree expr) | |
f0efc7aa | 421 | { |
8135e1e6 | 422 | TRANSLATION_UNIT_LANGUAGE (expr) = xstrdup (bp_unpack_string (data_in, bp)); |
9771b263 | 423 | vec_safe_push (all_translation_units, expr); |
f0efc7aa DN |
424 | } |
425 | ||
0889c5c3 | 426 | |
c193f58b JJ |
427 | /* Unpack all the non-pointer fields of the TS_OMP_CLAUSE |
428 | structure of expression EXPR from bitpack BP. */ | |
429 | ||
430 | static void | |
431 | unpack_ts_omp_clause_value_fields (struct data_in *data_in, | |
432 | struct bitpack_d *bp, tree expr) | |
433 | { | |
eaeec5ec | 434 | stream_input_location (&OMP_CLAUSE_LOCATION (expr), bp, data_in); |
c193f58b JJ |
435 | switch (OMP_CLAUSE_CODE (expr)) |
436 | { | |
437 | case OMP_CLAUSE_DEFAULT: | |
438 | OMP_CLAUSE_DEFAULT_KIND (expr) | |
439 | = bp_unpack_enum (bp, omp_clause_default_kind, | |
440 | OMP_CLAUSE_DEFAULT_LAST); | |
441 | break; | |
442 | case OMP_CLAUSE_SCHEDULE: | |
443 | OMP_CLAUSE_SCHEDULE_KIND (expr) | |
444 | = bp_unpack_enum (bp, omp_clause_schedule_kind, | |
445 | OMP_CLAUSE_SCHEDULE_LAST); | |
446 | break; | |
447 | case OMP_CLAUSE_DEPEND: | |
448 | OMP_CLAUSE_DEPEND_KIND (expr) | |
449 | = bp_unpack_enum (bp, omp_clause_depend_kind, OMP_CLAUSE_DEPEND_LAST); | |
450 | break; | |
451 | case OMP_CLAUSE_MAP: | |
41dbbb37 TS |
452 | OMP_CLAUSE_SET_MAP_KIND (expr, bp_unpack_enum (bp, gomp_map_kind, |
453 | GOMP_MAP_LAST)); | |
c193f58b JJ |
454 | break; |
455 | case OMP_CLAUSE_PROC_BIND: | |
456 | OMP_CLAUSE_PROC_BIND_KIND (expr) | |
457 | = bp_unpack_enum (bp, omp_clause_proc_bind_kind, | |
458 | OMP_CLAUSE_PROC_BIND_LAST); | |
459 | break; | |
460 | case OMP_CLAUSE_REDUCTION: | |
461 | OMP_CLAUSE_REDUCTION_CODE (expr) | |
462 | = bp_unpack_enum (bp, tree_code, MAX_TREE_CODES); | |
463 | break; | |
464 | default: | |
465 | break; | |
466 | } | |
467 | } | |
468 | ||
f0efc7aa | 469 | |
b6bf201e RB |
470 | /* Read all the language-independent bitfield values for EXPR from IB. |
471 | Return the partially unpacked bitpack so the caller can unpack any other | |
472 | bitfield values that the writer may have written. */ | |
473 | ||
bab4f4e3 | 474 | void |
b6bf201e RB |
475 | streamer_read_tree_bitfields (struct lto_input_block *ib, |
476 | struct data_in *data_in, tree expr) | |
f0efc7aa DN |
477 | { |
478 | enum tree_code code; | |
b6bf201e RB |
479 | struct bitpack_d bp; |
480 | ||
481 | /* Read the bitpack of non-pointer values from IB. */ | |
482 | bp = streamer_read_bitpack (ib); | |
f0efc7aa | 483 | |
b6bf201e RB |
484 | /* The first word in BP contains the code of the tree that we |
485 | are about to read. */ | |
486 | code = (enum tree_code) bp_unpack_value (&bp, 16); | |
487 | lto_tag_check (lto_tree_code_to_tag (code), | |
488 | lto_tree_code_to_tag (TREE_CODE (expr))); | |
f0efc7aa DN |
489 | |
490 | /* Note that all these functions are highly sensitive to changes in | |
491 | the types and sizes of each of the fields being packed. */ | |
b6bf201e | 492 | unpack_ts_base_value_fields (&bp, expr); |
f0efc7aa | 493 | |
c61f8c3b | 494 | if (CODE_CONTAINS_STRUCT (code, TS_INT_CST)) |
b6bf201e | 495 | unpack_ts_int_cst_value_fields (&bp, expr); |
c61f8c3b | 496 | |
f0efc7aa | 497 | if (CODE_CONTAINS_STRUCT (code, TS_REAL_CST)) |
b6bf201e | 498 | unpack_ts_real_cst_value_fields (&bp, expr); |
f0efc7aa DN |
499 | |
500 | if (CODE_CONTAINS_STRUCT (code, TS_FIXED_CST)) | |
b6bf201e | 501 | unpack_ts_fixed_cst_value_fields (&bp, expr); |
f0efc7aa | 502 | |
7cb7d208 | 503 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL)) |
eaeec5ec | 504 | stream_input_location (&DECL_SOURCE_LOCATION (expr), &bp, data_in); |
7cb7d208 | 505 | |
f0efc7aa | 506 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON)) |
b6bf201e | 507 | unpack_ts_decl_common_value_fields (&bp, expr); |
f0efc7aa DN |
508 | |
509 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL)) | |
b6bf201e | 510 | unpack_ts_decl_wrtl_value_fields (&bp, expr); |
f0efc7aa DN |
511 | |
512 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS)) | |
b6bf201e | 513 | unpack_ts_decl_with_vis_value_fields (&bp, expr); |
f0efc7aa DN |
514 | |
515 | if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL)) | |
b6bf201e | 516 | unpack_ts_function_decl_value_fields (&bp, expr); |
f0efc7aa DN |
517 | |
518 | if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON)) | |
b6bf201e | 519 | unpack_ts_type_common_value_fields (&bp, expr); |
f0efc7aa | 520 | |
7cb7d208 | 521 | if (CODE_CONTAINS_STRUCT (code, TS_EXP)) |
f3dccf50 | 522 | { |
eaeec5ec | 523 | stream_input_location (&EXPR_CHECK (expr)->exp.locus, &bp, data_in); |
f3dccf50 RB |
524 | if (code == MEM_REF |
525 | || code == TARGET_MEM_REF) | |
526 | { | |
527 | MR_DEPENDENCE_CLIQUE (expr) | |
b6bf201e | 528 | = (unsigned)bp_unpack_value (&bp, sizeof (short) * 8); |
f3dccf50 RB |
529 | if (MR_DEPENDENCE_CLIQUE (expr) != 0) |
530 | MR_DEPENDENCE_BASE (expr) | |
b6bf201e | 531 | = (unsigned)bp_unpack_value (&bp, sizeof (short) * 8); |
f3dccf50 | 532 | } |
c15ac92c RB |
533 | else if (code == CALL_EXPR) |
534 | CALL_EXPR_IFN (expr) = bp_unpack_enum (&bp, internal_fn, IFN_LAST); | |
f3dccf50 | 535 | } |
7cb7d208 | 536 | |
f0efc7aa | 537 | if (CODE_CONTAINS_STRUCT (code, TS_BLOCK)) |
b6bf201e | 538 | unpack_ts_block_value_fields (data_in, &bp, expr); |
f0efc7aa DN |
539 | |
540 | if (CODE_CONTAINS_STRUCT (code, TS_TRANSLATION_UNIT_DECL)) | |
b6bf201e | 541 | unpack_ts_translation_unit_decl_value_fields (data_in, &bp, expr); |
0889c5c3 | 542 | |
0889c5c3 | 543 | if (CODE_CONTAINS_STRUCT (code, TS_OPTIMIZATION)) |
b6bf201e | 544 | cl_optimization_stream_in (&bp, TREE_OPTIMIZATION (expr)); |
0127aae4 RG |
545 | |
546 | if (CODE_CONTAINS_STRUCT (code, TS_BINFO)) | |
547 | { | |
b6bf201e | 548 | unsigned HOST_WIDE_INT length = bp_unpack_var_len_unsigned (&bp); |
0127aae4 | 549 | if (length > 0) |
9771b263 | 550 | vec_safe_grow (BINFO_BASE_ACCESSES (expr), length); |
0127aae4 RG |
551 | } |
552 | ||
553 | if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR)) | |
554 | { | |
b6bf201e | 555 | unsigned HOST_WIDE_INT length = bp_unpack_var_len_unsigned (&bp); |
0127aae4 | 556 | if (length > 0) |
9771b263 | 557 | vec_safe_grow (CONSTRUCTOR_ELTS (expr), length); |
0127aae4 | 558 | } |
c193f58b | 559 | |
1b34e6e2 | 560 | #ifndef ACCEL_COMPILER |
54e774c0 | 561 | if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION)) |
59913123 JJ |
562 | { |
563 | cl_target_option_stream_in (data_in, &bp, TREE_TARGET_OPTION (expr)); | |
564 | if (targetm.target_option.post_stream_in) | |
565 | targetm.target_option.post_stream_in (TREE_TARGET_OPTION (expr)); | |
566 | } | |
1b34e6e2 | 567 | #endif |
54e774c0 | 568 | |
c193f58b | 569 | if (code == OMP_CLAUSE) |
b6bf201e | 570 | unpack_ts_omp_clause_value_fields (data_in, &bp, expr); |
f0efc7aa DN |
571 | } |
572 | ||
573 | ||
574 | /* Materialize a new tree from input block IB using descriptors in | |
575 | DATA_IN. The code for the new tree should match TAG. Store in | |
576 | *IX_P the index into the reader cache where the new tree is stored. */ | |
577 | ||
b9393656 | 578 | tree |
412288f1 DN |
579 | streamer_alloc_tree (struct lto_input_block *ib, struct data_in *data_in, |
580 | enum LTO_tags tag) | |
f0efc7aa | 581 | { |
f0efc7aa DN |
582 | enum tree_code code; |
583 | tree result; | |
f0efc7aa DN |
584 | |
585 | result = NULL_TREE; | |
586 | ||
f0efc7aa DN |
587 | code = lto_tag_to_tree_code (tag); |
588 | ||
589 | /* We should never see an SSA_NAME tree. Only the version numbers of | |
590 | SSA names are ever written out. See input_ssa_names. */ | |
591 | gcc_assert (code != SSA_NAME); | |
592 | ||
593 | /* Instantiate a new tree using the header data. */ | |
594 | if (CODE_CONTAINS_STRUCT (code, TS_STRING)) | |
412288f1 | 595 | result = streamer_read_string_cst (data_in, ib); |
f0efc7aa DN |
596 | else if (CODE_CONTAINS_STRUCT (code, TS_IDENTIFIER)) |
597 | result = input_identifier (data_in, ib); | |
598 | else if (CODE_CONTAINS_STRUCT (code, TS_VEC)) | |
599 | { | |
412288f1 | 600 | HOST_WIDE_INT len = streamer_read_hwi (ib); |
f0efc7aa DN |
601 | result = make_tree_vec (len); |
602 | } | |
d2a12ae7 RG |
603 | else if (CODE_CONTAINS_STRUCT (code, TS_VECTOR)) |
604 | { | |
734914b6 RS |
605 | bitpack_d bp = streamer_read_bitpack (ib); |
606 | unsigned int log2_npatterns = bp_unpack_value (&bp, 8); | |
607 | unsigned int nelts_per_pattern = bp_unpack_value (&bp, 8); | |
608 | result = make_vector (log2_npatterns, nelts_per_pattern); | |
d2a12ae7 | 609 | } |
f0efc7aa DN |
610 | else if (CODE_CONTAINS_STRUCT (code, TS_BINFO)) |
611 | { | |
412288f1 | 612 | unsigned HOST_WIDE_INT len = streamer_read_uhwi (ib); |
f0efc7aa DN |
613 | result = make_tree_binfo (len); |
614 | } | |
807e902e KZ |
615 | else if (CODE_CONTAINS_STRUCT (code, TS_INT_CST)) |
616 | { | |
617 | unsigned HOST_WIDE_INT len = streamer_read_uhwi (ib); | |
618 | unsigned HOST_WIDE_INT ext_len = streamer_read_uhwi (ib); | |
619 | result = make_int_cst (len, ext_len); | |
620 | } | |
b9393656 DN |
621 | else if (code == CALL_EXPR) |
622 | { | |
412288f1 | 623 | unsigned HOST_WIDE_INT nargs = streamer_read_uhwi (ib); |
b9393656 DN |
624 | return build_vl_exp (CALL_EXPR, nargs + 3); |
625 | } | |
c193f58b JJ |
626 | else if (code == OMP_CLAUSE) |
627 | { | |
628 | enum omp_clause_code subcode | |
629 | = (enum omp_clause_code) streamer_read_uhwi (ib); | |
630 | return build_omp_clause (UNKNOWN_LOCATION, subcode); | |
631 | } | |
f0efc7aa DN |
632 | else |
633 | { | |
b9393656 | 634 | /* For all other nodes, materialize the tree with a raw |
f0efc7aa | 635 | make_node call. */ |
b9393656 | 636 | result = make_node (code); |
f0efc7aa DN |
637 | } |
638 | ||
f0efc7aa DN |
639 | return result; |
640 | } | |
641 | ||
642 | ||
643 | /* Read all pointer fields in the TS_COMMON structure of EXPR from input | |
644 | block IB. DATA_IN contains tables and descriptors for the | |
645 | file being read. */ | |
646 | ||
647 | ||
648 | static void | |
649 | lto_input_ts_common_tree_pointers (struct lto_input_block *ib, | |
650 | struct data_in *data_in, tree expr) | |
651 | { | |
652 | if (TREE_CODE (expr) != IDENTIFIER_NODE) | |
b9393656 | 653 | TREE_TYPE (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
654 | } |
655 | ||
656 | ||
657 | /* Read all pointer fields in the TS_VECTOR 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_vector_tree_pointers (struct lto_input_block *ib, | |
663 | struct data_in *data_in, tree expr) | |
664 | { | |
734914b6 RS |
665 | unsigned int count = vector_cst_encoded_nelts (expr); |
666 | for (unsigned int i = 0; i < count; ++i) | |
667 | VECTOR_CST_ENCODED_ELT (expr, i) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
668 | } |
669 | ||
670 | ||
36fd6408 RS |
671 | /* Read all pointer fields in the TS_POLY_INT_CST structure of EXPR from |
672 | input block IB. DATA_IN contains tables and descriptors for the | |
673 | file being read. */ | |
674 | ||
675 | static void | |
676 | lto_input_ts_poly_tree_pointers (struct lto_input_block *ib, | |
677 | struct data_in *data_in, tree expr) | |
678 | { | |
679 | for (unsigned int i = 0; i < NUM_POLY_INT_COEFFS; ++i) | |
680 | POLY_INT_CST_COEFF (expr, i) = stream_read_tree (ib, data_in); | |
681 | } | |
682 | ||
683 | ||
f0efc7aa DN |
684 | /* Read all pointer fields in the TS_COMPLEX structure of EXPR from input |
685 | block IB. DATA_IN contains tables and descriptors for the | |
686 | file being read. */ | |
687 | ||
688 | static void | |
689 | lto_input_ts_complex_tree_pointers (struct lto_input_block *ib, | |
690 | struct data_in *data_in, tree expr) | |
691 | { | |
b9393656 DN |
692 | TREE_REALPART (expr) = stream_read_tree (ib, data_in); |
693 | TREE_IMAGPART (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
694 | } |
695 | ||
696 | ||
697 | /* Read all pointer fields in the TS_DECL_MINIMAL structure of EXPR | |
698 | from input block IB. DATA_IN contains tables and descriptors for the | |
699 | file being read. */ | |
700 | ||
701 | static void | |
702 | lto_input_ts_decl_minimal_tree_pointers (struct lto_input_block *ib, | |
703 | struct data_in *data_in, tree expr) | |
704 | { | |
b9393656 DN |
705 | DECL_NAME (expr) = stream_read_tree (ib, data_in); |
706 | DECL_CONTEXT (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
707 | } |
708 | ||
709 | ||
710 | /* Read all pointer fields in the TS_DECL_COMMON structure of EXPR from | |
711 | input block IB. DATA_IN contains tables and descriptors for the | |
712 | file being read. */ | |
713 | ||
714 | static void | |
715 | lto_input_ts_decl_common_tree_pointers (struct lto_input_block *ib, | |
716 | struct data_in *data_in, tree expr) | |
717 | { | |
b9393656 DN |
718 | DECL_SIZE (expr) = stream_read_tree (ib, data_in); |
719 | DECL_SIZE_UNIT (expr) = stream_read_tree (ib, data_in); | |
720 | DECL_ATTRIBUTES (expr) = stream_read_tree (ib, data_in); | |
1ea85365 | 721 | DECL_ABSTRACT_ORIGIN (expr) = stream_read_tree (ib, data_in); |
f0efc7aa | 722 | |
8813a647 | 723 | if ((VAR_P (expr) || TREE_CODE (expr) == PARM_DECL) |
f0efc7aa | 724 | && DECL_HAS_VALUE_EXPR_P (expr)) |
b9393656 | 725 | SET_DECL_VALUE_EXPR (expr, stream_read_tree (ib, data_in)); |
f0efc7aa | 726 | |
c1a7ca7c RB |
727 | if (VAR_P (expr) |
728 | && DECL_HAS_DEBUG_EXPR_P (expr)) | |
f0efc7aa | 729 | { |
b9393656 | 730 | tree dexpr = stream_read_tree (ib, data_in); |
f0efc7aa DN |
731 | if (dexpr) |
732 | SET_DECL_DEBUG_EXPR (expr, dexpr); | |
733 | } | |
734 | } | |
735 | ||
736 | ||
737 | /* Read all pointer fields in the TS_DECL_NON_COMMON structure of | |
738 | EXPR 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_non_common_tree_pointers (struct lto_input_block *ib, | |
743 | struct data_in *data_in, tree expr) | |
744 | { | |
815effe1 | 745 | if (TREE_CODE (expr) == TYPE_DECL) |
ea973bad | 746 | DECL_ORIGINAL_TYPE (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
747 | } |
748 | ||
749 | ||
750 | /* Read all pointer fields in the TS_DECL_WITH_VIS structure of EXPR | |
751 | from input block IB. DATA_IN contains tables and descriptors for the | |
752 | file being read. */ | |
753 | ||
754 | static void | |
755 | lto_input_ts_decl_with_vis_tree_pointers (struct lto_input_block *ib, | |
756 | struct data_in *data_in, tree expr) | |
757 | { | |
758 | tree id; | |
759 | ||
b9393656 | 760 | id = stream_read_tree (ib, data_in); |
f0efc7aa DN |
761 | if (id) |
762 | { | |
763 | gcc_assert (TREE_CODE (id) == IDENTIFIER_NODE); | |
764 | SET_DECL_ASSEMBLER_NAME (expr, id); | |
765 | } | |
f0efc7aa DN |
766 | } |
767 | ||
768 | ||
769 | /* Read all pointer fields in the TS_FIELD_DECL structure of EXPR from | |
770 | input block IB. DATA_IN contains tables and descriptors for the | |
771 | file being read. */ | |
772 | ||
773 | static void | |
774 | lto_input_ts_field_decl_tree_pointers (struct lto_input_block *ib, | |
775 | struct data_in *data_in, tree expr) | |
776 | { | |
b9393656 DN |
777 | DECL_FIELD_OFFSET (expr) = stream_read_tree (ib, data_in); |
778 | DECL_BIT_FIELD_TYPE (expr) = stream_read_tree (ib, data_in); | |
26c71b93 | 779 | DECL_BIT_FIELD_REPRESENTATIVE (expr) = stream_read_tree (ib, data_in); |
b9393656 DN |
780 | DECL_FIELD_BIT_OFFSET (expr) = stream_read_tree (ib, data_in); |
781 | DECL_FCONTEXT (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
782 | } |
783 | ||
784 | ||
785 | /* Read all pointer fields in the TS_FUNCTION_DECL structure of EXPR | |
786 | from input block IB. DATA_IN contains tables and descriptors for the | |
787 | file being read. */ | |
788 | ||
789 | static void | |
790 | lto_input_ts_function_decl_tree_pointers (struct lto_input_block *ib, | |
791 | struct data_in *data_in, tree expr) | |
792 | { | |
aaf8a23e JH |
793 | DECL_VINDEX (expr) = stream_read_tree (ib, data_in); |
794 | /* DECL_STRUCT_FUNCTION is loaded on demand by cgraph_get_body. */ | |
b9393656 | 795 | DECL_FUNCTION_PERSONALITY (expr) = stream_read_tree (ib, data_in); |
1b34e6e2 | 796 | #ifndef ACCEL_COMPILER |
61204ad9 | 797 | DECL_FUNCTION_SPECIFIC_TARGET (expr) = stream_read_tree (ib, data_in); |
1b34e6e2 | 798 | #endif |
b9393656 | 799 | DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr) = stream_read_tree (ib, data_in); |
3cd36125 TV |
800 | #ifdef ACCEL_COMPILER |
801 | { | |
802 | tree opts = DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr); | |
803 | if (opts) | |
804 | { | |
805 | struct gcc_options tmp; | |
806 | init_options_struct (&tmp, NULL); | |
807 | cl_optimization_restore (&tmp, TREE_OPTIMIZATION (opts)); | |
808 | finish_options (&tmp, &global_options_set, UNKNOWN_LOCATION); | |
809 | opts = build_optimization_node (&tmp); | |
810 | finalize_options_struct (&tmp); | |
811 | DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr) = opts; | |
812 | } | |
813 | } | |
814 | #endif | |
f0efc7aa DN |
815 | |
816 | /* If the file contains a function with an EH personality set, | |
817 | then it was compiled with -fexceptions. In that case, initialize | |
818 | the backend EH machinery. */ | |
819 | if (DECL_FUNCTION_PERSONALITY (expr)) | |
820 | lto_init_eh (); | |
821 | } | |
822 | ||
823 | ||
824 | /* Read all pointer fields in the TS_TYPE_COMMON structure of EXPR from | |
825 | input block IB. DATA_IN contains tables and descriptors for the file | |
826 | being read. */ | |
827 | ||
828 | static void | |
829 | lto_input_ts_type_common_tree_pointers (struct lto_input_block *ib, | |
830 | struct data_in *data_in, tree expr) | |
831 | { | |
010f4e27 JH |
832 | TYPE_SIZE (expr) = stream_read_tree (ib, data_in); |
833 | TYPE_SIZE_UNIT (expr) = stream_read_tree (ib, data_in); | |
834 | TYPE_ATTRIBUTES (expr) = stream_read_tree (ib, data_in); | |
b9393656 | 835 | TYPE_NAME (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
836 | /* Do not stream TYPE_POINTER_TO or TYPE_REFERENCE_TO. They will be |
837 | reconstructed during fixup. */ | |
838 | /* Do not stream TYPE_NEXT_VARIANT, we reconstruct the variant lists | |
839 | during fixup. */ | |
010f4e27 JH |
840 | TYPE_MAIN_VARIANT (expr) = stream_read_tree (ib, data_in); |
841 | TYPE_CONTEXT (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
842 | /* TYPE_CANONICAL gets re-computed during type merging. */ |
843 | TYPE_CANONICAL (expr) = NULL_TREE; | |
010f4e27 | 844 | TYPE_STUB_DECL (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
845 | } |
846 | ||
847 | /* Read all pointer fields in the TS_TYPE_NON_COMMON structure of EXPR | |
848 | from input block IB. DATA_IN contains tables and descriptors for the | |
849 | file being read. */ | |
850 | ||
851 | static void | |
852 | lto_input_ts_type_non_common_tree_pointers (struct lto_input_block *ib, | |
853 | struct data_in *data_in, | |
854 | tree expr) | |
855 | { | |
010f4e27 JH |
856 | if (TREE_CODE (expr) == ENUMERAL_TYPE) |
857 | TYPE_VALUES (expr) = stream_read_tree (ib, data_in); | |
858 | else if (TREE_CODE (expr) == ARRAY_TYPE) | |
859 | TYPE_DOMAIN (expr) = stream_read_tree (ib, data_in); | |
860 | else if (RECORD_OR_UNION_TYPE_P (expr)) | |
4acd1c84 | 861 | TYPE_FIELDS (expr) = streamer_read_chain (ib, data_in); |
f0efc7aa | 862 | else if (TREE_CODE (expr) == FUNCTION_TYPE |
010f4e27 | 863 | || TREE_CODE (expr) == METHOD_TYPE) |
b9393656 | 864 | TYPE_ARG_TYPES (expr) = stream_read_tree (ib, data_in); |
010f4e27 JH |
865 | |
866 | if (!POINTER_TYPE_P (expr)) | |
20deef65 NS |
867 | TYPE_MIN_VALUE_RAW (expr) = stream_read_tree (ib, data_in); |
868 | TYPE_MAX_VALUE_RAW (expr) = stream_read_tree (ib, data_in); | |
f0efc7aa DN |
869 | } |
870 | ||
871 | ||
872 | /* Read all pointer fields in the TS_LIST structure of EXPR from input | |
873 | block IB. DATA_IN contains tables and descriptors for the | |
874 | file being read. */ | |
875 | ||
876 | static void | |
877 | lto_input_ts_list_tree_pointers (struct lto_input_block *ib, | |
878 | struct data_in *data_in, tree expr) | |
879 | { | |
b9393656 DN |
880 | TREE_PURPOSE (expr) = stream_read_tree (ib, data_in); |
881 | TREE_VALUE (expr) = stream_read_tree (ib, data_in); | |
ee03e71d | 882 | TREE_CHAIN (expr) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
883 | } |
884 | ||
885 | ||
886 | /* Read all pointer fields in the TS_VEC structure of EXPR from input | |
887 | block IB. DATA_IN contains tables and descriptors for the | |
888 | file being read. */ | |
889 | ||
890 | static void | |
891 | lto_input_ts_vec_tree_pointers (struct lto_input_block *ib, | |
892 | struct data_in *data_in, tree expr) | |
893 | { | |
894 | int i; | |
895 | ||
412288f1 | 896 | /* Note that TREE_VEC_LENGTH was read by streamer_alloc_tree to |
f0efc7aa DN |
897 | instantiate EXPR. */ |
898 | for (i = 0; i < TREE_VEC_LENGTH (expr); i++) | |
b9393656 | 899 | TREE_VEC_ELT (expr, i) = stream_read_tree (ib, data_in); |
f0efc7aa DN |
900 | } |
901 | ||
902 | ||
903 | /* Read all pointer fields in the TS_EXP structure of EXPR from input | |
904 | block IB. DATA_IN contains tables and descriptors for the | |
905 | file being read. */ | |
906 | ||
907 | ||
908 | static void | |
909 | lto_input_ts_exp_tree_pointers (struct lto_input_block *ib, | |
910 | struct data_in *data_in, tree expr) | |
911 | { | |
0127aae4 | 912 | int i; |
eaeec5ec | 913 | tree block; |
f0efc7aa | 914 | |
0127aae4 | 915 | for (i = 0; i < TREE_OPERAND_LENGTH (expr); i++) |
b9393656 | 916 | TREE_OPERAND (expr, i) = stream_read_tree (ib, data_in); |
f0efc7aa | 917 | |
eaeec5ec JH |
918 | block = stream_read_tree (ib, data_in); |
919 | ||
920 | /* TODO: Block is stored in the locus information. It may make more sense to | |
921 | to make it go via the location cache. */ | |
922 | if (block) | |
923 | { | |
924 | data_in->location_cache.apply_location_cache (); | |
925 | TREE_SET_BLOCK (expr, block); | |
926 | } | |
f0efc7aa DN |
927 | } |
928 | ||
929 | ||
930 | /* Read all pointer fields in the TS_BLOCK structure of EXPR from input | |
931 | block IB. DATA_IN contains tables and descriptors for the | |
932 | file being read. */ | |
933 | ||
934 | static void | |
935 | lto_input_ts_block_tree_pointers (struct lto_input_block *ib, | |
936 | struct data_in *data_in, tree expr) | |
937 | { | |
412288f1 | 938 | BLOCK_VARS (expr) = streamer_read_chain (ib, data_in); |
f0efc7aa | 939 | |
b9393656 | 940 | BLOCK_SUPERCONTEXT (expr) = stream_read_tree (ib, data_in); |
f0efc7aa | 941 | |
5c1eb617 RG |
942 | /* Stream BLOCK_ABSTRACT_ORIGIN and BLOCK_SOURCE_LOCATION for |
943 | the limited cases we can handle - those that represent inlined | |
944 | function scopes. For the rest them on the floor instead of ICEing in | |
f0efc7aa | 945 | dwarf2out.c. */ |
5c1eb617 | 946 | BLOCK_ABSTRACT_ORIGIN (expr) = stream_read_tree (ib, data_in); |
5c1eb617 RG |
947 | /* Do not stream BLOCK_NONLOCALIZED_VARS. We cannot handle debug information |
948 | for early inlined BLOCKs so drop it on the floor instead of ICEing in | |
949 | dwarf2out.c. */ | |
950 | ||
951 | /* BLOCK_FRAGMENT_ORIGIN and BLOCK_FRAGMENT_CHAIN is not live at LTO | |
952 | streaming time. */ | |
f0efc7aa DN |
953 | |
954 | /* We re-compute BLOCK_SUBBLOCKS of our parent here instead | |
955 | of streaming it. For non-BLOCK BLOCK_SUPERCONTEXTs we still | |
956 | stream the child relationship explicitly. */ | |
957 | if (BLOCK_SUPERCONTEXT (expr) | |
958 | && TREE_CODE (BLOCK_SUPERCONTEXT (expr)) == BLOCK) | |
959 | { | |
960 | BLOCK_CHAIN (expr) = BLOCK_SUBBLOCKS (BLOCK_SUPERCONTEXT (expr)); | |
961 | BLOCK_SUBBLOCKS (BLOCK_SUPERCONTEXT (expr)) = expr; | |
962 | } | |
963 | ||
964 | /* The global block is rooted at the TU decl. Hook it here to | |
965 | avoid the need to stream in this block during WPA time. */ | |
966 | else if (BLOCK_SUPERCONTEXT (expr) | |
967 | && TREE_CODE (BLOCK_SUPERCONTEXT (expr)) == TRANSLATION_UNIT_DECL) | |
968 | DECL_INITIAL (BLOCK_SUPERCONTEXT (expr)) = expr; | |
969 | ||
970 | /* The function-level block is connected at the time we read in | |
971 | function bodies for the same reason. */ | |
972 | } | |
973 | ||
974 | ||
975 | /* Read all pointer fields in the TS_BINFO structure of EXPR from input | |
976 | block IB. DATA_IN contains tables and descriptors for the | |
977 | file being read. */ | |
978 | ||
979 | static void | |
980 | lto_input_ts_binfo_tree_pointers (struct lto_input_block *ib, | |
981 | struct data_in *data_in, tree expr) | |
982 | { | |
0127aae4 | 983 | unsigned i; |
f0efc7aa DN |
984 | tree t; |
985 | ||
986 | /* Note that the number of slots in EXPR was read in | |
412288f1 | 987 | streamer_alloc_tree when instantiating EXPR. However, the |
9771b263 | 988 | vector is empty so we cannot rely on vec::length to know how many |
f0efc7aa DN |
989 | elements to read. So, this list is emitted as a 0-terminated |
990 | list on the writer side. */ | |
991 | do | |
992 | { | |
b9393656 | 993 | t = stream_read_tree (ib, data_in); |
f0efc7aa | 994 | if (t) |
9771b263 | 995 | BINFO_BASE_BINFOS (expr)->quick_push (t); |
f0efc7aa DN |
996 | } |
997 | while (t); | |
998 | ||
b9393656 DN |
999 | BINFO_OFFSET (expr) = stream_read_tree (ib, data_in); |
1000 | BINFO_VTABLE (expr) = stream_read_tree (ib, data_in); | |
b9393656 | 1001 | BINFO_VPTR_FIELD (expr) = stream_read_tree (ib, data_in); |
f0efc7aa | 1002 | |
0127aae4 RG |
1003 | /* The vector of BINFO_BASE_ACCESSES is pre-allocated during |
1004 | unpacking the bitfield section. */ | |
9771b263 | 1005 | for (i = 0; i < vec_safe_length (BINFO_BASE_ACCESSES (expr)); i++) |
f0efc7aa | 1006 | { |
0127aae4 | 1007 | tree a = stream_read_tree (ib, data_in); |
9771b263 | 1008 | (*BINFO_BASE_ACCESSES (expr))[i] = a; |
f0efc7aa | 1009 | } |
184799e7 JH |
1010 | /* Do not walk BINFO_INHERITANCE_CHAIN, BINFO_SUBVTT_INDEX |
1011 | and BINFO_VPTR_INDEX; these are used by C++ FE only. */ | |
f0efc7aa DN |
1012 | } |
1013 | ||
1014 | ||
1015 | /* Read all pointer fields in the TS_CONSTRUCTOR structure of EXPR from | |
1016 | input block IB. DATA_IN contains tables and descriptors for the | |
1017 | file being read. */ | |
1018 | ||
1019 | static void | |
1020 | lto_input_ts_constructor_tree_pointers (struct lto_input_block *ib, | |
1021 | struct data_in *data_in, tree expr) | |
1022 | { | |
0127aae4 | 1023 | unsigned i; |
f0efc7aa | 1024 | |
0127aae4 | 1025 | for (i = 0; i < CONSTRUCTOR_NELTS (expr); i++) |
f0efc7aa | 1026 | { |
0127aae4 RG |
1027 | constructor_elt e; |
1028 | e.index = stream_read_tree (ib, data_in); | |
1029 | e.value = stream_read_tree (ib, data_in); | |
9771b263 | 1030 | (*CONSTRUCTOR_ELTS (expr))[i] = e; |
f0efc7aa DN |
1031 | } |
1032 | } | |
1033 | ||
1034 | ||
c193f58b JJ |
1035 | /* Read all pointer fields in the TS_OMP_CLAUSE structure of EXPR from |
1036 | input block IB. DATA_IN contains tables and descriptors for the | |
1037 | file being read. */ | |
1038 | ||
1039 | static void | |
1040 | lto_input_ts_omp_clause_tree_pointers (struct lto_input_block *ib, | |
1041 | struct data_in *data_in, tree expr) | |
1042 | { | |
1043 | int i; | |
1044 | ||
1045 | for (i = 0; i < omp_clause_num_ops[OMP_CLAUSE_CODE (expr)]; i++) | |
1046 | OMP_CLAUSE_OPERAND (expr, i) = stream_read_tree (ib, data_in); | |
1047 | OMP_CLAUSE_CHAIN (expr) = stream_read_tree (ib, data_in); | |
1048 | } | |
1049 | ||
1050 | ||
b9393656 DN |
1051 | /* Read all pointer fields in EXPR from input block IB. DATA_IN |
1052 | contains tables and descriptors for the file being read. */ | |
f0efc7aa | 1053 | |
b9393656 | 1054 | void |
412288f1 | 1055 | streamer_read_tree_body (struct lto_input_block *ib, struct data_in *data_in, |
f0efc7aa DN |
1056 | tree expr) |
1057 | { | |
1058 | enum tree_code code; | |
1059 | ||
1060 | code = TREE_CODE (expr); | |
1061 | ||
1062 | if (CODE_CONTAINS_STRUCT (code, TS_TYPED)) | |
1063 | lto_input_ts_common_tree_pointers (ib, data_in, expr); | |
1064 | ||
1065 | if (CODE_CONTAINS_STRUCT (code, TS_VECTOR)) | |
1066 | lto_input_ts_vector_tree_pointers (ib, data_in, expr); | |
1067 | ||
36fd6408 RS |
1068 | if (CODE_CONTAINS_STRUCT (code, TS_POLY_INT_CST)) |
1069 | lto_input_ts_poly_tree_pointers (ib, data_in, expr); | |
1070 | ||
f0efc7aa DN |
1071 | if (CODE_CONTAINS_STRUCT (code, TS_COMPLEX)) |
1072 | lto_input_ts_complex_tree_pointers (ib, data_in, expr); | |
1073 | ||
1074 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL)) | |
1075 | lto_input_ts_decl_minimal_tree_pointers (ib, data_in, expr); | |
1076 | ||
1077 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON)) | |
1078 | lto_input_ts_decl_common_tree_pointers (ib, data_in, expr); | |
1079 | ||
1080 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_NON_COMMON)) | |
1081 | lto_input_ts_decl_non_common_tree_pointers (ib, data_in, expr); | |
1082 | ||
1083 | if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS)) | |
1084 | lto_input_ts_decl_with_vis_tree_pointers (ib, data_in, expr); | |
1085 | ||
1086 | if (CODE_CONTAINS_STRUCT (code, TS_FIELD_DECL)) | |
1087 | lto_input_ts_field_decl_tree_pointers (ib, data_in, expr); | |
1088 | ||
1089 | if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL)) | |
1090 | lto_input_ts_function_decl_tree_pointers (ib, data_in, expr); | |
1091 | ||
1092 | if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON)) | |
1093 | lto_input_ts_type_common_tree_pointers (ib, data_in, expr); | |
1094 | ||
1095 | if (CODE_CONTAINS_STRUCT (code, TS_TYPE_NON_COMMON)) | |
1096 | lto_input_ts_type_non_common_tree_pointers (ib, data_in, expr); | |
1097 | ||
1098 | if (CODE_CONTAINS_STRUCT (code, TS_LIST)) | |
1099 | lto_input_ts_list_tree_pointers (ib, data_in, expr); | |
1100 | ||
1101 | if (CODE_CONTAINS_STRUCT (code, TS_VEC)) | |
1102 | lto_input_ts_vec_tree_pointers (ib, data_in, expr); | |
1103 | ||
1104 | if (CODE_CONTAINS_STRUCT (code, TS_EXP)) | |
1105 | lto_input_ts_exp_tree_pointers (ib, data_in, expr); | |
1106 | ||
1107 | if (CODE_CONTAINS_STRUCT (code, TS_BLOCK)) | |
1108 | lto_input_ts_block_tree_pointers (ib, data_in, expr); | |
1109 | ||
1110 | if (CODE_CONTAINS_STRUCT (code, TS_BINFO)) | |
1111 | lto_input_ts_binfo_tree_pointers (ib, data_in, expr); | |
1112 | ||
1113 | if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR)) | |
1114 | lto_input_ts_constructor_tree_pointers (ib, data_in, expr); | |
c193f58b JJ |
1115 | |
1116 | if (code == OMP_CLAUSE) | |
1117 | lto_input_ts_omp_clause_tree_pointers (ib, data_in, expr); | |
f0efc7aa DN |
1118 | } |
1119 | ||
1120 | ||
f0efc7aa DN |
1121 | /* Read an index IX from input block IB and return the tree node at |
1122 | DATA_IN->FILE_DATA->GLOBALS_INDEX[IX]. */ | |
1123 | ||
b9393656 | 1124 | tree |
412288f1 | 1125 | streamer_get_pickled_tree (struct lto_input_block *ib, struct data_in *data_in) |
f0efc7aa DN |
1126 | { |
1127 | unsigned HOST_WIDE_INT ix; | |
1128 | tree result; | |
1129 | enum LTO_tags expected_tag; | |
1130 | ||
412288f1 DN |
1131 | ix = streamer_read_uhwi (ib); |
1132 | expected_tag = streamer_read_enum (ib, LTO_tags, LTO_NUM_TAGS); | |
f0efc7aa | 1133 | |
ee03e71d | 1134 | result = streamer_tree_cache_get_tree (data_in->reader_cache, ix); |
f0efc7aa DN |
1135 | gcc_assert (result |
1136 | && TREE_CODE (result) == lto_tag_to_tree_code (expected_tag)); | |
1137 | ||
1138 | return result; | |
1139 | } |