Branch data Line data Source code
1 : : /* Routines for reading trees from a file stream.
2 : :
3 : : Copyright (C) 2011-2024 Free Software Foundation, Inc.
4 : : Contributed by Diego Novillo <dnovillo@google.com>
5 : :
6 : : This file is part of GCC.
7 : :
8 : : GCC is free software; you can redistribute it and/or modify it under
9 : : the terms of the GNU General Public License as published by the Free
10 : : Software Foundation; either version 3, or (at your option) any later
11 : : version.
12 : :
13 : : GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14 : : WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 : : FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 : : for more details.
17 : :
18 : : You should have received a copy of the GNU General Public License
19 : : along with GCC; see the file COPYING3. If not see
20 : : <http://www.gnu.org/licenses/>. */
21 : :
22 : : #include "config.h"
23 : : #include "system.h"
24 : : #include "coretypes.h"
25 : : #include "backend.h"
26 : : #include "target.h"
27 : : #include "tree.h"
28 : : #include "gimple.h"
29 : : #include "stringpool.h"
30 : : #include "tree-streamer.h"
31 : : #include "cgraph.h"
32 : : #include "builtins.h"
33 : : #include "gomp-constants.h"
34 : : #include "stringpool.h"
35 : : #include "attribs.h"
36 : : #include "asan.h"
37 : : #include "opts.h"
38 : :
39 : :
40 : : /* Read a STRING_CST from the string table in DATA_IN using input
41 : : block IB. */
42 : :
43 : : tree
44 : 174469 : streamer_read_string_cst (class data_in *data_in, class lto_input_block *ib)
45 : : {
46 : 174469 : unsigned int len;
47 : 174469 : const char * ptr;
48 : :
49 : 174469 : ptr = streamer_read_indexed_string (data_in, ib, &len);
50 : 174469 : if (!ptr)
51 : : return NULL;
52 : 174405 : return build_string (len, ptr);
53 : : }
54 : :
55 : :
56 : : /* Read an IDENTIFIER from the string table in DATA_IN using input
57 : : block IB. */
58 : :
59 : : static tree
60 : 664921 : input_identifier (class data_in *data_in, class lto_input_block *ib)
61 : : {
62 : 664921 : unsigned int len;
63 : 664921 : const char *ptr;
64 : :
65 : 664921 : ptr = streamer_read_indexed_string (data_in, ib, &len);
66 : 664921 : if (!ptr)
67 : : return NULL;
68 : 664921 : return get_identifier_with_length (ptr, len);
69 : : }
70 : :
71 : :
72 : : /* Read a chain of tree nodes from input block IB. DATA_IN contains
73 : : tables and descriptors for the file being read. */
74 : :
75 : : static tree
76 : 315856 : streamer_read_chain (class lto_input_block *ib, class data_in *data_in)
77 : : {
78 : 315856 : tree first, prev, curr;
79 : :
80 : : /* The chain is written as NULL terminated list of trees. */
81 : 315856 : first = prev = NULL_TREE;
82 : 521491 : do
83 : : {
84 : 521491 : curr = stream_read_tree_ref (ib, data_in);
85 : 521491 : if (prev)
86 : 205635 : TREE_CHAIN (prev) = curr;
87 : : else
88 : : first = curr;
89 : :
90 : 521491 : prev = curr;
91 : : }
92 : 521491 : while (curr);
93 : :
94 : 315856 : return first;
95 : : }
96 : :
97 : :
98 : : /* Unpack all the non-pointer fields of the TS_BASE structure of
99 : : expression EXPR from bitpack BP. */
100 : :
101 : : static inline void
102 : 4165543 : unpack_ts_base_value_fields (struct bitpack_d *bp, tree expr)
103 : : {
104 : : /* Note that the code for EXPR has already been unpacked to create EXPR in
105 : : streamer_alloc_tree. */
106 : 4165543 : if (!TYPE_P (expr))
107 : : {
108 : 3705091 : TREE_SIDE_EFFECTS (expr) = (unsigned) bp_unpack_value (bp, 1);
109 : 3705091 : TREE_CONSTANT (expr) = (unsigned) bp_unpack_value (bp, 1);
110 : 3705091 : TREE_READONLY (expr) = (unsigned) bp_unpack_value (bp, 1);
111 : :
112 : : /* TREE_PUBLIC is used on types to indicate that the type
113 : : has a TYPE_CACHED_VALUES vector. This is not streamed out,
114 : : so we skip it here. */
115 : 3705091 : TREE_PUBLIC (expr) = (unsigned) bp_unpack_value (bp, 1);
116 : : }
117 : : else
118 : 460452 : bp_unpack_value (bp, 4);
119 : 4165543 : TREE_ADDRESSABLE (expr) = (unsigned) bp_unpack_value (bp, 1);
120 : 4165543 : TREE_THIS_VOLATILE (expr) = (unsigned) bp_unpack_value (bp, 1);
121 : 4165543 : if (DECL_P (expr))
122 : : {
123 : 719844 : DECL_UNSIGNED (expr) = (unsigned) bp_unpack_value (bp, 1);
124 : 719844 : DECL_NAMELESS (expr) = (unsigned) bp_unpack_value (bp, 1);
125 : : }
126 : 3445699 : else if (TYPE_P (expr))
127 : 460452 : TYPE_UNSIGNED (expr) = (unsigned) bp_unpack_value (bp, 1);
128 : : else
129 : 2985247 : bp_unpack_value (bp, 1);
130 : 4165543 : TREE_ASM_WRITTEN (expr) = (unsigned) bp_unpack_value (bp, 1);
131 : 4165543 : if (TYPE_P (expr))
132 : 460452 : TYPE_ARTIFICIAL (expr) = (unsigned) bp_unpack_value (bp, 1);
133 : : else
134 : 3705091 : TREE_NO_WARNING (expr) = (unsigned) bp_unpack_value (bp, 1);
135 : 4165543 : TREE_NOTHROW (expr) = (unsigned) bp_unpack_value (bp, 1);
136 : 4165543 : TREE_STATIC (expr) = (unsigned) bp_unpack_value (bp, 1);
137 : 4165543 : if (TREE_CODE (expr) != TREE_BINFO)
138 : 4159692 : TREE_PRIVATE (expr) = (unsigned) bp_unpack_value (bp, 1);
139 : : else
140 : 5851 : bp_unpack_value (bp, 1);
141 : 4165543 : TREE_PROTECTED (expr) = (unsigned) bp_unpack_value (bp, 1);
142 : 4165543 : TREE_DEPRECATED (expr) = (unsigned) bp_unpack_value (bp, 1);
143 : 4165543 : if (TYPE_P (expr))
144 : : {
145 : 460452 : if (AGGREGATE_TYPE_P (expr))
146 : 85944 : TYPE_REVERSE_STORAGE_ORDER (expr) = (unsigned) bp_unpack_value (bp, 1);
147 : : else
148 : 374508 : TYPE_SATURATING (expr) = (unsigned) bp_unpack_value (bp, 1);
149 : : #ifndef ACCEL_COMPILER
150 : 460452 : TYPE_ADDR_SPACE (expr) = (unsigned) bp_unpack_value (bp, 8);
151 : : #endif
152 : : }
153 : 3705091 : else if (TREE_CODE (expr) == BIT_FIELD_REF || TREE_CODE (expr) == MEM_REF)
154 : : {
155 : 301357 : REF_REVERSE_STORAGE_ORDER (expr) = (unsigned) bp_unpack_value (bp, 1);
156 : 301357 : bp_unpack_value (bp, 8);
157 : : }
158 : 3403734 : else if (TREE_CODE (expr) == SSA_NAME)
159 : : {
160 : 0 : SSA_NAME_IS_DEFAULT_DEF (expr) = (unsigned) bp_unpack_value (bp, 1);
161 : 0 : bp_unpack_value (bp, 8);
162 : : }
163 : 3403734 : else if (TREE_CODE (expr) == CALL_EXPR)
164 : : {
165 : 0 : CALL_EXPR_BY_DESCRIPTOR (expr) = (unsigned) bp_unpack_value (bp, 1);
166 : 0 : bp_unpack_value (bp, 8);
167 : : }
168 : : else
169 : 3403734 : bp_unpack_value (bp, 9);
170 : 4165543 : }
171 : :
172 : :
173 : : /* Unpack all the non-pointer fields of the TS_INT_CST structure of
174 : : expression EXPR from bitpack BP. */
175 : :
176 : : static void
177 : 30126 : unpack_ts_int_cst_value_fields (struct bitpack_d *bp, tree expr)
178 : : {
179 : 30126 : int i;
180 : 61277 : for (i = 0; i < TREE_INT_CST_EXT_NUNITS (expr); i++)
181 : 31151 : TREE_INT_CST_ELT (expr, i) = bp_unpack_var_len_int (bp);
182 : 30126 : }
183 : :
184 : :
185 : : /* Unpack all the non-pointer fields of the TS_REAL_CST structure of
186 : : expression EXPR from bitpack BP. */
187 : :
188 : : static void
189 : 105995 : unpack_ts_real_cst_value_fields (struct bitpack_d *bp, tree expr)
190 : : {
191 : 105995 : REAL_VALUE_TYPE r;
192 : :
193 : 105995 : bp_unpack_real_value (bp, &r);
194 : 105995 : memcpy (TREE_REAL_CST_PTR (expr), &r, sizeof (REAL_VALUE_TYPE));
195 : 105995 : }
196 : :
197 : :
198 : : /* Unpack all the non-pointer fields of the TS_FIXED_CST structure of
199 : : expression EXPR from bitpack BP. */
200 : :
201 : : static void
202 : 0 : unpack_ts_fixed_cst_value_fields (struct bitpack_d *bp, tree expr)
203 : : {
204 : 0 : FIXED_VALUE_TYPE *fp = ggc_alloc<fixed_value> ();
205 : 0 : fp->mode = as_a <scalar_mode> (bp_unpack_machine_mode (bp));
206 : 0 : fp->data.low = bp_unpack_var_len_int (bp);
207 : 0 : fp->data.high = bp_unpack_var_len_int (bp);
208 : 0 : TREE_FIXED_CST_PTR (expr) = fp;
209 : 0 : }
210 : :
211 : : /* Unpack all the non-pointer fields of the TS_DECL_COMMON structure
212 : : of expression EXPR from bitpack BP. */
213 : :
214 : : static void
215 : 719844 : unpack_ts_decl_common_value_fields (struct bitpack_d *bp, tree expr)
216 : : {
217 : 719844 : SET_DECL_MODE (expr, bp_unpack_machine_mode (bp));
218 : 719844 : DECL_NONLOCAL (expr) = (unsigned) bp_unpack_value (bp, 1);
219 : 719844 : DECL_VIRTUAL_P (expr) = (unsigned) bp_unpack_value (bp, 1);
220 : 719844 : DECL_IGNORED_P (expr) = (unsigned) bp_unpack_value (bp, 1);
221 : 719844 : DECL_ABSTRACT_P (expr) = (unsigned) bp_unpack_value (bp, 1);
222 : 719844 : DECL_ARTIFICIAL (expr) = (unsigned) bp_unpack_value (bp, 1);
223 : 719844 : DECL_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, 1);
224 : 719844 : DECL_PRESERVE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
225 : 719844 : DECL_EXTERNAL (expr) = (unsigned) bp_unpack_value (bp, 1);
226 : 719844 : DECL_NOT_GIMPLE_REG_P (expr) = (unsigned) bp_unpack_value (bp, 1);
227 : 719844 : SET_DECL_ALIGN (expr, (unsigned) bp_unpack_var_len_unsigned (bp));
228 : : #ifdef ACCEL_COMPILER
229 : : if (DECL_ALIGN (expr) > targetm.absolute_biggest_alignment)
230 : : SET_DECL_ALIGN (expr, targetm.absolute_biggest_alignment);
231 : : #endif
232 : 719844 : if (TREE_CODE (expr) == LABEL_DECL)
233 : : {
234 : 18341 : EH_LANDING_PAD_NR (expr) = (int) bp_unpack_var_len_unsigned (bp);
235 : :
236 : : /* Always assume an initial value of -1 for LABEL_DECL_UID to
237 : : force gimple_set_bb to recreate label_to_block_map. */
238 : 18341 : LABEL_DECL_UID (expr) = -1;
239 : : }
240 : :
241 : 701503 : else if (TREE_CODE (expr) == FIELD_DECL)
242 : : {
243 : 69731 : DECL_PACKED (expr) = (unsigned) bp_unpack_value (bp, 1);
244 : 69731 : DECL_NONADDRESSABLE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
245 : 69731 : DECL_PADDING_P (expr) = (unsigned) bp_unpack_value (bp, 1);
246 : 69731 : unsigned val = (unsigned) bp_unpack_value (bp, 1);
247 : 69731 : if (DECL_BIT_FIELD (expr))
248 : 2618 : SET_DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD (expr, val);
249 : : else
250 : 67113 : SET_DECL_FIELD_ABI_IGNORED (expr, val);
251 : 69731 : expr->decl_common.off_align = bp_unpack_value (bp, 8);
252 : 69731 : DECL_NOT_FLEXARRAY (expr) = (unsigned) bp_unpack_value (bp, 1);
253 : : }
254 : :
255 : 631772 : else if (VAR_P (expr))
256 : : {
257 : 219498 : DECL_HAS_DEBUG_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
258 : 219498 : DECL_NONLOCAL_FRAME (expr) = (unsigned) bp_unpack_value (bp, 1);
259 : : }
260 : :
261 : 412274 : else if (TREE_CODE (expr) == PARM_DECL)
262 : 93764 : DECL_HIDDEN_STRING_LENGTH (expr) = (unsigned) bp_unpack_value (bp, 1);
263 : :
264 : 719844 : if (TREE_CODE (expr) == RESULT_DECL
265 : : || TREE_CODE (expr) == PARM_DECL
266 : : || VAR_P (expr))
267 : : {
268 : 397749 : DECL_BY_REFERENCE (expr) = (unsigned) bp_unpack_value (bp, 1);
269 : 397749 : if (VAR_P (expr) || TREE_CODE (expr) == PARM_DECL)
270 : 313262 : DECL_HAS_VALUE_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
271 : : }
272 : 719844 : }
273 : :
274 : :
275 : : /* Unpack all the non-pointer fields of the TS_DECL_WRTL structure
276 : : of expression EXPR from bitpack BP. */
277 : :
278 : : static void
279 : 626657 : unpack_ts_decl_wrtl_value_fields (struct bitpack_d *bp, tree expr)
280 : : {
281 : 626657 : DECL_REGISTER (expr) = (unsigned) bp_unpack_value (bp, 1);
282 : 626657 : }
283 : :
284 : :
285 : : /* Unpack all the non-pointer fields of the TS_DECL_WITH_VIS structure
286 : : of expression EXPR from bitpack BP. */
287 : :
288 : : static void
289 : 429739 : unpack_ts_decl_with_vis_value_fields (struct bitpack_d *bp, tree expr)
290 : : {
291 : 429739 : DECL_COMMON (expr) = (unsigned) bp_unpack_value (bp, 1);
292 : 429739 : DECL_DLLIMPORT_P (expr) = (unsigned) bp_unpack_value (bp, 1);
293 : 429739 : DECL_WEAK (expr) = (unsigned) bp_unpack_value (bp, 1);
294 : 429739 : DECL_SEEN_IN_BIND_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
295 : 429739 : DECL_COMDAT (expr) = (unsigned) bp_unpack_value (bp, 1);
296 : 429739 : DECL_VISIBILITY (expr) = (enum symbol_visibility) bp_unpack_value (bp, 2);
297 : 429739 : DECL_VISIBILITY_SPECIFIED (expr) = (unsigned) bp_unpack_value (bp, 1);
298 : :
299 : 429739 : if (VAR_P (expr))
300 : : {
301 : 219498 : DECL_HARD_REGISTER (expr) = (unsigned) bp_unpack_value (bp, 1);
302 : 219498 : DECL_IN_CONSTANT_POOL (expr) = (unsigned) bp_unpack_value (bp, 1);
303 : : }
304 : :
305 : 429739 : if (TREE_CODE (expr) == FUNCTION_DECL)
306 : : {
307 : 191148 : DECL_FINAL_P (expr) = (unsigned) bp_unpack_value (bp, 1);
308 : 191148 : DECL_CXX_CONSTRUCTOR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
309 : 191148 : DECL_CXX_DESTRUCTOR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
310 : : }
311 : 429739 : }
312 : :
313 : :
314 : : /* Unpack all the non-pointer fields of the TS_FUNCTION_DECL structure
315 : : of expression EXPR from bitpack BP. */
316 : :
317 : : static void
318 : 191148 : unpack_ts_function_decl_value_fields (struct bitpack_d *bp, tree expr)
319 : : {
320 : 191148 : built_in_class cl = bp_unpack_enum (bp, built_in_class, BUILT_IN_LAST);
321 : 191148 : DECL_STATIC_CONSTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, 1);
322 : 191148 : DECL_STATIC_DESTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, 1);
323 : 191148 : DECL_UNINLINABLE (expr) = (unsigned) bp_unpack_value (bp, 1);
324 : 191148 : DECL_POSSIBLY_INLINED (expr) = (unsigned) bp_unpack_value (bp, 1);
325 : 191148 : DECL_IS_NOVOPS (expr) = (unsigned) bp_unpack_value (bp, 1);
326 : 191148 : DECL_IS_RETURNS_TWICE (expr) = (unsigned) bp_unpack_value (bp, 1);
327 : 191148 : DECL_IS_MALLOC (expr) = (unsigned) bp_unpack_value (bp, 1);
328 : 191148 : FUNCTION_DECL_DECL_TYPE (expr) = (function_decl_type) bp_unpack_value (bp, 2);
329 : 191148 : DECL_SET_IS_OPERATOR_DELETE (expr, (unsigned) bp_unpack_value (bp, 1));
330 : 191148 : DECL_DECLARED_INLINE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
331 : 191148 : DECL_STATIC_CHAIN (expr) = (unsigned) bp_unpack_value (bp, 1);
332 : 191148 : DECL_NO_INLINE_WARNING_P (expr) = (unsigned) bp_unpack_value (bp, 1);
333 : 382296 : DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (expr)
334 : 191148 : = (unsigned) bp_unpack_value (bp, 1);
335 : 191148 : DECL_NO_LIMIT_STACK (expr) = (unsigned) bp_unpack_value (bp, 1);
336 : 191148 : DECL_DISREGARD_INLINE_LIMITS (expr) = (unsigned) bp_unpack_value (bp, 1);
337 : 191148 : DECL_PURE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
338 : 191148 : DECL_LOOPING_CONST_OR_PURE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
339 : 191148 : DECL_IS_REPLACEABLE_OPERATOR (expr) = (unsigned) bp_unpack_value (bp, 1);
340 : 191148 : unsigned int fcode = 0;
341 : 191148 : if (cl != NOT_BUILT_IN)
342 : : {
343 : 27484 : fcode = bp_unpack_value (bp, 32);
344 : 27484 : if (cl == BUILT_IN_NORMAL && fcode >= END_BUILTINS)
345 : 0 : fatal_error (input_location,
346 : : "machine independent builtin code out of range");
347 : 27484 : else if (cl == BUILT_IN_MD)
348 : : {
349 : 130 : tree result = targetm.builtin_decl (fcode, true);
350 : 130 : if (!result || result == error_mark_node)
351 : 0 : fatal_error (input_location,
352 : : "target specific builtin not available");
353 : : }
354 : : }
355 : 191148 : set_decl_built_in_function (expr, cl, fcode);
356 : 191148 : }
357 : :
358 : :
359 : : /* Unpack all the non-pointer fields of the TS_TYPE_COMMON structure
360 : : of expression EXPR from bitpack BP. */
361 : :
362 : : static void
363 : 460452 : unpack_ts_type_common_value_fields (struct bitpack_d *bp, tree expr)
364 : : {
365 : 460452 : machine_mode mode;
366 : :
367 : 460452 : mode = bp_unpack_machine_mode (bp);
368 : 460452 : SET_TYPE_MODE (expr, mode);
369 : : /* TYPE_NO_FORCE_BLK is private to stor-layout and need
370 : : no streaming. */
371 : 460452 : TYPE_PACKED (expr) = (unsigned) bp_unpack_value (bp, 1);
372 : 460452 : TYPE_RESTRICT (expr) = (unsigned) bp_unpack_value (bp, 1);
373 : 460452 : TYPE_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, 1);
374 : 460452 : TYPE_READONLY (expr) = (unsigned) bp_unpack_value (bp, 1);
375 : 460452 : TYPE_LANG_FLAG_0 (expr) = (unsigned) bp_unpack_value (bp, 1);
376 : 460452 : if (RECORD_OR_UNION_TYPE_P (expr))
377 : : {
378 : 51861 : TYPE_TRANSPARENT_AGGR (expr) = (unsigned) bp_unpack_value (bp, 1);
379 : 51861 : TYPE_FINAL_P (expr) = (unsigned) bp_unpack_value (bp, 1);
380 : 51861 : TYPE_CXX_ODR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
381 : : }
382 : 408591 : else if (TREE_CODE (expr) == ARRAY_TYPE)
383 : 34083 : TYPE_NONALIASED_COMPONENT (expr) = (unsigned) bp_unpack_value (bp, 1);
384 : 460452 : if (TREE_CODE (expr) == ARRAY_TYPE || TREE_CODE (expr) == INTEGER_TYPE)
385 : 82921 : TYPE_STRING_FLAG (expr) = (unsigned) bp_unpack_value (bp, 1);
386 : 460452 : if (AGGREGATE_TYPE_P (expr))
387 : 85944 : TYPE_TYPELESS_STORAGE (expr) = (unsigned) bp_unpack_value (bp, 1);
388 : 460452 : TYPE_EMPTY_P (expr) = (unsigned) bp_unpack_value (bp, 1);
389 : 460452 : if (FUNC_OR_METHOD_TYPE_P (expr))
390 : 150675 : TYPE_NO_NAMED_ARGS_STDARG_P (expr) = (unsigned) bp_unpack_value (bp, 1);
391 : 460452 : if (RECORD_OR_UNION_TYPE_P (expr))
392 : 51861 : TYPE_INCLUDES_FLEXARRAY (expr) = (unsigned) bp_unpack_value (bp, 1);
393 : 460452 : TYPE_PRECISION_RAW (expr) = bp_unpack_var_len_unsigned (bp);
394 : 460452 : SET_TYPE_ALIGN (expr, bp_unpack_var_len_unsigned (bp));
395 : : #ifdef ACCEL_COMPILER
396 : : if (TYPE_ALIGN (expr) > targetm.absolute_biggest_alignment)
397 : : SET_TYPE_ALIGN (expr, targetm.absolute_biggest_alignment);
398 : : #endif
399 : 460452 : }
400 : :
401 : :
402 : : /* Unpack all the non-pointer fields of the TS_BLOCK structure
403 : : of expression EXPR from bitpack BP. */
404 : :
405 : : static void
406 : 263995 : unpack_ts_block_value_fields (class data_in *data_in,
407 : : struct bitpack_d *bp, tree expr)
408 : : {
409 : : /* BLOCK_NUMBER is recomputed. */
410 : 263995 : stream_input_location (&BLOCK_SOURCE_LOCATION (expr), bp, data_in);
411 : 263995 : }
412 : :
413 : : /* Unpack all the non-pointer fields of the TS_TRANSLATION_UNIT_DECL
414 : : structure of expression EXPR from bitpack BP. */
415 : :
416 : : static void
417 : 23331 : unpack_ts_translation_unit_decl_value_fields (class data_in *data_in,
418 : : struct bitpack_d *bp, tree expr)
419 : : {
420 : 23331 : TRANSLATION_UNIT_LANGUAGE (expr) = xstrdup (bp_unpack_string (data_in, bp));
421 : 23331 : vec_safe_push (all_translation_units, expr);
422 : 23331 : }
423 : :
424 : :
425 : : /* Unpack all the non-pointer fields of the TS_OMP_CLAUSE
426 : : structure of expression EXPR from bitpack BP. */
427 : :
428 : : static void
429 : 202 : unpack_ts_omp_clause_value_fields (class data_in *data_in,
430 : : struct bitpack_d *bp, tree expr)
431 : : {
432 : 202 : stream_input_location (&OMP_CLAUSE_LOCATION (expr), bp, data_in);
433 : 202 : switch (OMP_CLAUSE_CODE (expr))
434 : : {
435 : 0 : case OMP_CLAUSE_DEFAULT:
436 : 0 : OMP_CLAUSE_DEFAULT_KIND (expr)
437 : 0 : = bp_unpack_enum (bp, omp_clause_default_kind,
438 : : OMP_CLAUSE_DEFAULT_LAST);
439 : 0 : break;
440 : 0 : case OMP_CLAUSE_SCHEDULE:
441 : 0 : OMP_CLAUSE_SCHEDULE_KIND (expr)
442 : 0 : = bp_unpack_enum (bp, omp_clause_schedule_kind,
443 : : OMP_CLAUSE_SCHEDULE_LAST);
444 : 0 : break;
445 : 0 : case OMP_CLAUSE_DEPEND:
446 : 0 : OMP_CLAUSE_DEPEND_KIND (expr)
447 : 0 : = bp_unpack_enum (bp, omp_clause_depend_kind, OMP_CLAUSE_DEPEND_LAST);
448 : 0 : break;
449 : 0 : case OMP_CLAUSE_DOACROSS:
450 : 0 : OMP_CLAUSE_DOACROSS_KIND (expr)
451 : 0 : = bp_unpack_enum (bp, omp_clause_doacross_kind,
452 : : OMP_CLAUSE_DOACROSS_LAST);
453 : 0 : break;
454 : 0 : case OMP_CLAUSE_MAP:
455 : 0 : OMP_CLAUSE_SET_MAP_KIND (expr, bp_unpack_enum (bp, gomp_map_kind,
456 : : GOMP_MAP_LAST));
457 : 0 : break;
458 : 0 : case OMP_CLAUSE_PROC_BIND:
459 : 0 : OMP_CLAUSE_PROC_BIND_KIND (expr)
460 : 0 : = bp_unpack_enum (bp, omp_clause_proc_bind_kind,
461 : : OMP_CLAUSE_PROC_BIND_LAST);
462 : 0 : break;
463 : 0 : case OMP_CLAUSE_REDUCTION:
464 : 0 : case OMP_CLAUSE_TASK_REDUCTION:
465 : 0 : case OMP_CLAUSE_IN_REDUCTION:
466 : 0 : OMP_CLAUSE_REDUCTION_CODE (expr)
467 : 0 : = bp_unpack_enum (bp, tree_code, MAX_TREE_CODES);
468 : 0 : break;
469 : : default:
470 : : break;
471 : : }
472 : 202 : }
473 : :
474 : :
475 : : /* Read all the language-independent bitfield values for EXPR from IB.
476 : : Return the partially unpacked bitpack so the caller can unpack any other
477 : : bitfield values that the writer may have written. */
478 : :
479 : : void
480 : 4165543 : streamer_read_tree_bitfields (class lto_input_block *ib,
481 : : class data_in *data_in, tree expr)
482 : : {
483 : 4165543 : enum tree_code code;
484 : 4165543 : struct bitpack_d bp;
485 : :
486 : : /* Read the bitpack of non-pointer values from IB. */
487 : 4165543 : bp = streamer_read_bitpack (ib);
488 : :
489 : : /* The first word in BP contains the code of the tree that we
490 : : are about to read. */
491 : 4165543 : if (streamer_debugging)
492 : : {
493 : : code = (enum tree_code) bp_unpack_value (&bp, 16);
494 : : lto_tag_check (lto_tree_code_to_tag (code),
495 : : lto_tree_code_to_tag (TREE_CODE (expr)));
496 : : }
497 : 4165543 : code = TREE_CODE (expr);
498 : :
499 : : /* Note that all these functions are highly sensitive to changes in
500 : : the types and sizes of each of the fields being packed. */
501 : 4165543 : unpack_ts_base_value_fields (&bp, expr);
502 : :
503 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_INT_CST))
504 : 30126 : unpack_ts_int_cst_value_fields (&bp, expr);
505 : :
506 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_REAL_CST))
507 : 105995 : unpack_ts_real_cst_value_fields (&bp, expr);
508 : :
509 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_FIXED_CST))
510 : 0 : unpack_ts_fixed_cst_value_fields (&bp, expr);
511 : :
512 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL))
513 : 719844 : stream_input_location (&DECL_SOURCE_LOCATION (expr), &bp, data_in);
514 : :
515 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
516 : 719844 : unpack_ts_decl_common_value_fields (&bp, expr);
517 : :
518 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL))
519 : 626657 : unpack_ts_decl_wrtl_value_fields (&bp, expr);
520 : :
521 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
522 : 429739 : unpack_ts_decl_with_vis_value_fields (&bp, expr);
523 : :
524 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL))
525 : 191148 : unpack_ts_function_decl_value_fields (&bp, expr);
526 : :
527 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON))
528 : 460452 : unpack_ts_type_common_value_fields (&bp, expr);
529 : :
530 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_EXP))
531 : : {
532 : 1274270 : stream_input_location (&EXPR_CHECK (expr)->exp.locus, &bp, data_in);
533 : 1274270 : if (code == MEM_REF
534 : 1274270 : || code == TARGET_MEM_REF)
535 : : {
536 : 596650 : MR_DEPENDENCE_CLIQUE (expr)
537 : 298325 : = (unsigned)bp_unpack_value (&bp, sizeof (short) * 8);
538 : 298325 : if (MR_DEPENDENCE_CLIQUE (expr) != 0)
539 : 19304 : MR_DEPENDENCE_BASE (expr)
540 : 9652 : = (unsigned)bp_unpack_value (&bp, sizeof (short) * 8);
541 : : }
542 : 975945 : else if (code == CALL_EXPR)
543 : 0 : CALL_EXPR_IFN (expr) = bp_unpack_enum (&bp, internal_fn, IFN_LAST);
544 : : }
545 : :
546 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_BLOCK))
547 : 263995 : unpack_ts_block_value_fields (data_in, &bp, expr);
548 : :
549 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_TRANSLATION_UNIT_DECL))
550 : 23331 : unpack_ts_translation_unit_decl_value_fields (data_in, &bp, expr);
551 : :
552 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_OPTIMIZATION))
553 : 22977 : cl_optimization_stream_in (data_in, &bp, TREE_OPTIMIZATION (expr));
554 : :
555 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR))
556 : : {
557 : 52038 : CLOBBER_KIND (expr)
558 : 26019 : = bp_unpack_enum (&bp, clobber_kind, CLOBBER_LAST);
559 : 26019 : unsigned HOST_WIDE_INT length = bp_unpack_var_len_unsigned (&bp);
560 : 26019 : if (length > 0)
561 : 11404 : vec_safe_grow (CONSTRUCTOR_ELTS (expr), length, true);
562 : : }
563 : :
564 : : #ifndef ACCEL_COMPILER
565 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION))
566 : : {
567 : 22617 : cl_target_option_stream_in (data_in, &bp, TREE_TARGET_OPTION (expr));
568 : 22617 : if (targetm.target_option.post_stream_in)
569 : 22617 : targetm.target_option.post_stream_in (TREE_TARGET_OPTION (expr));
570 : : }
571 : : #endif
572 : :
573 : 4165543 : if (code == OMP_CLAUSE)
574 : 202 : unpack_ts_omp_clause_value_fields (data_in, &bp, expr);
575 : 4165543 : }
576 : :
577 : :
578 : : /* Materialize a new tree from input block IB using descriptors in
579 : : DATA_IN. The code for the new tree should match TAG. Store in
580 : : *IX_P the index into the reader cache where the new tree is stored. */
581 : :
582 : : tree
583 : 4165543 : streamer_alloc_tree (class lto_input_block *ib, class data_in *data_in,
584 : : enum LTO_tags tag)
585 : : {
586 : 4165543 : enum tree_code code;
587 : 4165543 : tree result;
588 : :
589 : 4165543 : result = NULL_TREE;
590 : :
591 : 4165543 : code = lto_tag_to_tree_code (tag);
592 : :
593 : : /* We should never see an SSA_NAME tree. Only the version numbers of
594 : : SSA names are ever written out. See input_ssa_names. */
595 : 4165543 : gcc_assert (code != SSA_NAME);
596 : :
597 : : /* Instantiate a new tree using the header data. */
598 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_STRING))
599 : 169091 : result = streamer_read_string_cst (data_in, ib);
600 : 3996452 : else if (CODE_CONTAINS_STRUCT (code, TS_IDENTIFIER))
601 : 664921 : result = input_identifier (data_in, ib);
602 : 3331531 : else if (CODE_CONTAINS_STRUCT (code, TS_VEC))
603 : : {
604 : 0 : HOST_WIDE_INT len = streamer_read_hwi (ib);
605 : 0 : result = make_tree_vec (len);
606 : : }
607 : 3331531 : else if (CODE_CONTAINS_STRUCT (code, TS_VECTOR))
608 : : {
609 : 2618 : bitpack_d bp = streamer_read_bitpack (ib);
610 : 2618 : unsigned int log2_npatterns = bp_unpack_value (&bp, 8);
611 : 2618 : unsigned int nelts_per_pattern = bp_unpack_value (&bp, 8);
612 : 2618 : result = make_vector (log2_npatterns, nelts_per_pattern);
613 : : }
614 : 3328913 : else if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
615 : : {
616 : 5851 : unsigned HOST_WIDE_INT len = streamer_read_uhwi (ib);
617 : 5851 : result = make_tree_binfo (len);
618 : : }
619 : 3323062 : else if (CODE_CONTAINS_STRUCT (code, TS_INT_CST))
620 : : {
621 : 30126 : unsigned HOST_WIDE_INT len = streamer_read_uhwi (ib);
622 : 30126 : unsigned HOST_WIDE_INT ext_len = streamer_read_uhwi (ib);
623 : 30126 : result = make_int_cst (len, ext_len);
624 : : }
625 : 3292936 : else if (code == CALL_EXPR)
626 : : {
627 : 0 : unsigned HOST_WIDE_INT nargs = streamer_read_uhwi (ib);
628 : 0 : return build_vl_exp (CALL_EXPR, nargs + 3);
629 : : }
630 : 3292936 : else if (code == OMP_CLAUSE)
631 : : {
632 : 202 : enum omp_clause_code subcode
633 : 202 : = (enum omp_clause_code) streamer_read_uhwi (ib);
634 : 202 : return build_omp_clause (UNKNOWN_LOCATION, subcode);
635 : : }
636 : : else
637 : : {
638 : : /* For all other nodes, materialize the tree with a raw
639 : : make_node call. */
640 : 3292734 : result = make_node (code);
641 : : }
642 : :
643 : : return result;
644 : : }
645 : :
646 : :
647 : : /* Read all pointer fields in the TS_COMMON structure of EXPR from input
648 : : block IB. DATA_IN contains tables and descriptors for the
649 : : file being read. */
650 : :
651 : :
652 : : static void
653 : 3855954 : lto_input_ts_common_tree_pointers (class lto_input_block *ib,
654 : : class data_in *data_in, tree expr)
655 : : {
656 : 3855954 : if (TREE_CODE (expr) != IDENTIFIER_NODE)
657 : 3191033 : TREE_TYPE (expr) = stream_read_tree_ref (ib, data_in);
658 : 3855954 : }
659 : :
660 : :
661 : : /* Read all pointer fields in the TS_VECTOR structure of EXPR from input
662 : : block IB. DATA_IN contains tables and descriptors for the
663 : : file being read. */
664 : :
665 : : static void
666 : 2618 : lto_input_ts_vector_tree_pointers (class lto_input_block *ib,
667 : : class data_in *data_in, tree expr)
668 : : {
669 : 2618 : unsigned int count = vector_cst_encoded_nelts (expr);
670 : 11564 : for (unsigned int i = 0; i < count; ++i)
671 : 8946 : VECTOR_CST_ENCODED_ELT (expr, i) = stream_read_tree_ref (ib, data_in);
672 : 2618 : }
673 : :
674 : :
675 : : /* Read all pointer fields in the TS_POLY_INT_CST structure of EXPR from
676 : : input block IB. DATA_IN contains tables and descriptors for the
677 : : file being read. */
678 : :
679 : : static void
680 : 0 : lto_input_ts_poly_tree_pointers (class lto_input_block *ib,
681 : : class data_in *data_in, tree expr)
682 : : {
683 : 0 : for (unsigned int i = 0; i < NUM_POLY_INT_COEFFS; ++i)
684 : 0 : POLY_INT_CST_COEFF (expr, i) = stream_read_tree_ref (ib, data_in);
685 : 0 : }
686 : :
687 : :
688 : : /* Read all pointer fields in the TS_COMPLEX structure of EXPR from input
689 : : block IB. DATA_IN contains tables and descriptors for the
690 : : file being read. */
691 : :
692 : : static void
693 : 6854 : lto_input_ts_complex_tree_pointers (class lto_input_block *ib,
694 : : class data_in *data_in, tree expr)
695 : : {
696 : 6854 : TREE_REALPART (expr) = stream_read_tree_ref (ib, data_in);
697 : 6854 : TREE_IMAGPART (expr) = stream_read_tree_ref (ib, data_in);
698 : 6854 : }
699 : :
700 : :
701 : : /* Read all pointer fields in the TS_DECL_MINIMAL structure of EXPR
702 : : from input block IB. DATA_IN contains tables and descriptors for the
703 : : file being read. */
704 : :
705 : : static void
706 : 719844 : lto_input_ts_decl_minimal_tree_pointers (class lto_input_block *ib,
707 : : class data_in *data_in, tree expr)
708 : : {
709 : 719844 : DECL_NAME (expr) = stream_read_tree_ref (ib, data_in);
710 : 719844 : DECL_CONTEXT (expr) = stream_read_tree_ref (ib, data_in);
711 : 719844 : }
712 : :
713 : :
714 : : /* Read all pointer fields in the TS_DECL_COMMON structure of EXPR from
715 : : input block IB. DATA_IN contains tables and descriptors for the
716 : : file being read. */
717 : :
718 : : static void
719 : 719844 : lto_input_ts_decl_common_tree_pointers (class lto_input_block *ib,
720 : : class data_in *data_in, tree expr)
721 : : {
722 : 719844 : DECL_SIZE (expr) = stream_read_tree_ref (ib, data_in);
723 : 719844 : DECL_SIZE_UNIT (expr) = stream_read_tree_ref (ib, data_in);
724 : 719844 : DECL_ATTRIBUTES (expr) = stream_read_tree_ref (ib, data_in);
725 : 719844 : DECL_ABSTRACT_ORIGIN (expr) = stream_read_tree_ref (ib, data_in);
726 : :
727 : 500346 : if ((VAR_P (expr) || TREE_CODE (expr) == PARM_DECL)
728 : 813608 : && DECL_HAS_VALUE_EXPR_P (expr))
729 : 3607 : SET_DECL_VALUE_EXPR (expr, stream_read_tree_ref (ib, data_in));
730 : :
731 : 719844 : if (VAR_P (expr)
732 : 719844 : && DECL_HAS_DEBUG_EXPR_P (expr))
733 : : {
734 : 1048 : tree dexpr = stream_read_tree_ref (ib, data_in);
735 : 1048 : if (dexpr)
736 : 1048 : SET_DECL_DEBUG_EXPR (expr, dexpr);
737 : : }
738 : 719844 : }
739 : :
740 : :
741 : : /* Read all pointer fields in the TS_DECL_NON_COMMON structure of
742 : : EXPR from input block IB. DATA_IN contains tables and descriptors for the
743 : : file being read. */
744 : :
745 : : static void
746 : 0 : lto_input_ts_decl_non_common_tree_pointers (class lto_input_block *,
747 : : class data_in *, tree)
748 : : {
749 : 0 : }
750 : :
751 : :
752 : : /* Read all pointer fields in the TS_DECL_WITH_VIS structure of EXPR
753 : : from input block IB. DATA_IN contains tables and descriptors for the
754 : : file being read. */
755 : :
756 : : static void
757 : 429739 : lto_input_ts_decl_with_vis_tree_pointers (class lto_input_block *ib,
758 : : class data_in *data_in, tree expr)
759 : : {
760 : 429739 : tree id;
761 : :
762 : 429739 : id = stream_read_tree_ref (ib, data_in);
763 : 429739 : if (id)
764 : : {
765 : 276778 : gcc_assert (TREE_CODE (id) == IDENTIFIER_NODE);
766 : 276778 : SET_DECL_ASSEMBLER_NAME (expr, id);
767 : : }
768 : 429739 : }
769 : :
770 : :
771 : : /* Read all pointer fields in the TS_FIELD_DECL structure of EXPR from
772 : : input block IB. DATA_IN contains tables and descriptors for the
773 : : file being read. */
774 : :
775 : : static void
776 : 69731 : lto_input_ts_field_decl_tree_pointers (class lto_input_block *ib,
777 : : class data_in *data_in, tree expr)
778 : : {
779 : 69731 : DECL_FIELD_OFFSET (expr) = stream_read_tree_ref (ib, data_in);
780 : 69731 : DECL_BIT_FIELD_TYPE (expr) = stream_read_tree_ref (ib, data_in);
781 : 69731 : DECL_BIT_FIELD_REPRESENTATIVE (expr) = stream_read_tree_ref (ib, data_in);
782 : 69731 : DECL_FIELD_BIT_OFFSET (expr) = stream_read_tree_ref (ib, data_in);
783 : 69731 : }
784 : :
785 : :
786 : : /* Read all pointer fields in the TS_FUNCTION_DECL structure of EXPR
787 : : from input block IB. DATA_IN contains tables and descriptors for the
788 : : file being read. */
789 : :
790 : : static void
791 : 191148 : lto_input_ts_function_decl_tree_pointers (class lto_input_block *ib,
792 : : class data_in *data_in, tree expr)
793 : : {
794 : : /* DECL_STRUCT_FUNCTION is loaded on demand by cgraph_get_body. */
795 : 191148 : DECL_FUNCTION_PERSONALITY (expr) = stream_read_tree_ref (ib, data_in);
796 : : #ifndef ACCEL_COMPILER
797 : 191148 : DECL_FUNCTION_SPECIFIC_TARGET (expr) = stream_read_tree_ref (ib, data_in);
798 : : #endif
799 : 382296 : DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr)
800 : 191148 : = stream_read_tree_ref (ib, data_in);
801 : : #ifdef ACCEL_COMPILER
802 : : {
803 : : tree opts = DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr);
804 : : if (opts)
805 : : {
806 : : struct gcc_options tmp, tmp_set;
807 : : init_options_struct (&tmp, NULL);
808 : : memset (&tmp_set, 0, sizeof (tmp_set));
809 : : cl_optimization_restore (&tmp, &tmp_set, TREE_OPTIMIZATION (opts));
810 : : finish_options (&tmp, &tmp_set, UNKNOWN_LOCATION);
811 : : opts = build_optimization_node (&tmp, &tmp_set);
812 : : DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr) = opts;
813 : : }
814 : : }
815 : : #endif
816 : 191148 : }
817 : :
818 : :
819 : : /* Read all pointer fields in the TS_TYPE_COMMON structure of EXPR from
820 : : input block IB. DATA_IN contains tables and descriptors for the file
821 : : being read. */
822 : :
823 : : static void
824 : 460452 : lto_input_ts_type_common_tree_pointers (class lto_input_block *ib,
825 : : class data_in *data_in, tree expr)
826 : : {
827 : 460452 : TYPE_SIZE (expr) = stream_read_tree_ref (ib, data_in);
828 : 460452 : TYPE_SIZE_UNIT (expr) = stream_read_tree_ref (ib, data_in);
829 : 460452 : TYPE_ATTRIBUTES (expr) = stream_read_tree_ref (ib, data_in);
830 : 460452 : TYPE_NAME (expr) = stream_read_tree_ref (ib, data_in);
831 : : /* Do not stream TYPE_POINTER_TO or TYPE_REFERENCE_TO. They will be
832 : : reconstructed during fixup. */
833 : : /* Do not stream TYPE_NEXT_VARIANT, we reconstruct the variant lists
834 : : during fixup. */
835 : 460452 : TYPE_MAIN_VARIANT (expr) = stream_read_tree_ref (ib, data_in);
836 : 460452 : TYPE_CONTEXT (expr) = stream_read_tree_ref (ib, data_in);
837 : : /* TYPE_CANONICAL gets re-computed during type merging. */
838 : 460452 : TYPE_CANONICAL (expr) = NULL_TREE;
839 : 460452 : }
840 : :
841 : : /* Read all pointer fields in the TS_TYPE_NON_COMMON structure of EXPR
842 : : from input block IB. DATA_IN contains tables and descriptors for the
843 : : file being read. */
844 : :
845 : : static void
846 : 460452 : lto_input_ts_type_non_common_tree_pointers (class lto_input_block *ib,
847 : : class data_in *data_in,
848 : : tree expr)
849 : : {
850 : 460452 : if (TREE_CODE (expr) == ARRAY_TYPE)
851 : 34083 : TYPE_DOMAIN (expr) = stream_read_tree_ref (ib, data_in);
852 : 426369 : else if (RECORD_OR_UNION_TYPE_P (expr))
853 : 51861 : TYPE_FIELDS (expr) = streamer_read_chain (ib, data_in);
854 : 374508 : else if (FUNC_OR_METHOD_TYPE_P (expr))
855 : 150675 : TYPE_ARG_TYPES (expr) = stream_read_tree_ref (ib, data_in);
856 : :
857 : 460452 : if (!POINTER_TYPE_P (expr))
858 : 295366 : TYPE_MIN_VALUE_RAW (expr) = stream_read_tree_ref (ib, data_in);
859 : 460452 : TYPE_MAX_VALUE_RAW (expr) = stream_read_tree_ref (ib, data_in);
860 : 460452 : }
861 : :
862 : :
863 : : /* Read all pointer fields in the TS_LIST structure of EXPR from input
864 : : block IB. DATA_IN contains tables and descriptors for the
865 : : file being read. */
866 : :
867 : : static void
868 : 389711 : lto_input_ts_list_tree_pointers (class lto_input_block *ib,
869 : : class data_in *data_in, tree expr)
870 : : {
871 : 389711 : TREE_PURPOSE (expr) = stream_read_tree_ref (ib, data_in);
872 : 389711 : TREE_VALUE (expr) = stream_read_tree_ref (ib, data_in);
873 : 389711 : TREE_CHAIN (expr) = stream_read_tree_ref (ib, data_in);
874 : 389711 : }
875 : :
876 : :
877 : : /* Read all pointer fields in the TS_VEC structure of EXPR from input
878 : : block IB. DATA_IN contains tables and descriptors for the
879 : : file being read. */
880 : :
881 : : static void
882 : 0 : lto_input_ts_vec_tree_pointers (class lto_input_block *ib,
883 : : class data_in *data_in, tree expr)
884 : : {
885 : 0 : int i;
886 : :
887 : : /* Note that TREE_VEC_LENGTH was read by streamer_alloc_tree to
888 : : instantiate EXPR. */
889 : 0 : for (i = 0; i < TREE_VEC_LENGTH (expr); i++)
890 : 0 : TREE_VEC_ELT (expr, i) = stream_read_tree_ref (ib, data_in);
891 : 0 : }
892 : :
893 : :
894 : : /* Read all pointer fields in the TS_EXP structure of EXPR from input
895 : : block IB. DATA_IN contains tables and descriptors for the
896 : : file being read. */
897 : :
898 : :
899 : : static void
900 : 1274270 : lto_input_ts_exp_tree_pointers (class lto_input_block *ib,
901 : : class data_in *data_in, tree expr)
902 : : {
903 : 1274270 : int i;
904 : 1274270 : tree block;
905 : :
906 : 3092463 : for (i = 0; i < TREE_OPERAND_LENGTH (expr); i++)
907 : 1818193 : TREE_OPERAND (expr, i) = stream_read_tree_ref (ib, data_in);
908 : :
909 : 1274270 : block = stream_read_tree_ref (ib, data_in);
910 : :
911 : : /* TODO: Block is stored in the locus information. It may make more sense to
912 : : to make it go via the location cache. */
913 : 1274270 : if (block)
914 : : {
915 : 215469 : data_in->location_cache.apply_location_cache ();
916 : 215469 : TREE_SET_BLOCK (expr, block);
917 : : }
918 : 1274270 : }
919 : :
920 : :
921 : : /* Read all pointer fields in the TS_BLOCK structure of EXPR from input
922 : : block IB. DATA_IN contains tables and descriptors for the
923 : : file being read. */
924 : :
925 : : static void
926 : 263995 : lto_input_ts_block_tree_pointers (class lto_input_block *ib,
927 : : class data_in *data_in, tree expr)
928 : : {
929 : 263995 : BLOCK_VARS (expr) = streamer_read_chain (ib, data_in);
930 : :
931 : 263995 : BLOCK_SUPERCONTEXT (expr) = stream_read_tree_ref (ib, data_in);
932 : 263995 : BLOCK_ABSTRACT_ORIGIN (expr) = stream_read_tree_ref (ib, data_in);
933 : : /* We may end up prevailing a decl with DECL_ORIGIN (t) != t here
934 : : which breaks the invariant that BLOCK_ABSTRACT_ORIGIN is the
935 : : ultimate origin. Fixup here.
936 : : ??? This should get fixed with moving to DIE references. */
937 : 263995 : if (DECL_P (BLOCK_ORIGIN (expr)))
938 : 59189 : BLOCK_ABSTRACT_ORIGIN (expr) = DECL_ORIGIN (BLOCK_ABSTRACT_ORIGIN (expr));
939 : : /* Do not stream BLOCK_NONLOCALIZED_VARS. We cannot handle debug information
940 : : for early inlined BLOCKs so drop it on the floor instead of ICEing in
941 : : dwarf2out.cc. */
942 : :
943 : : /* BLOCK_FRAGMENT_ORIGIN and BLOCK_FRAGMENT_CHAIN is not live at LTO
944 : : streaming time. */
945 : :
946 : : /* We re-compute BLOCK_SUBBLOCKS of our parent here instead
947 : : of streaming it. For non-BLOCK BLOCK_SUPERCONTEXTs we still
948 : : stream the child relationship explicitly. */
949 : 263995 : if (BLOCK_SUPERCONTEXT (expr)
950 : 263995 : && TREE_CODE (BLOCK_SUPERCONTEXT (expr)) == BLOCK)
951 : : {
952 : 167103 : BLOCK_CHAIN (expr) = BLOCK_SUBBLOCKS (BLOCK_SUPERCONTEXT (expr));
953 : 167103 : BLOCK_SUBBLOCKS (BLOCK_SUPERCONTEXT (expr)) = expr;
954 : : }
955 : :
956 : : /* The global block is rooted at the TU decl. Hook it here to
957 : : avoid the need to stream in this block during WPA time. */
958 : 96892 : else if (BLOCK_SUPERCONTEXT (expr)
959 : 96892 : && TREE_CODE (BLOCK_SUPERCONTEXT (expr)) == TRANSLATION_UNIT_DECL)
960 : 0 : DECL_INITIAL (BLOCK_SUPERCONTEXT (expr)) = expr;
961 : :
962 : : /* The function-level block is connected at the time we read in
963 : : function bodies for the same reason. */
964 : 263995 : }
965 : :
966 : :
967 : : /* Read all pointer fields in the TS_BINFO structure of EXPR from input
968 : : block IB. DATA_IN contains tables and descriptors for the
969 : : file being read. */
970 : :
971 : : static void
972 : 5851 : lto_input_ts_binfo_tree_pointers (class lto_input_block *ib,
973 : : class data_in *data_in, tree expr)
974 : : {
975 : 11938 : tree t;
976 : :
977 : : /* Note that the number of slots in EXPR was read in
978 : : streamer_alloc_tree when instantiating EXPR. However, the
979 : : vector is empty so we cannot rely on vec::length to know how many
980 : : elements to read. So, this list is emitted as a 0-terminated
981 : : list on the writer side. */
982 : 11938 : do
983 : : {
984 : 11938 : t = stream_read_tree_ref (ib, data_in);
985 : 11938 : if (t)
986 : 6087 : BINFO_BASE_BINFOS (expr)->quick_push (t);
987 : : }
988 : 11938 : while (t);
989 : :
990 : 5851 : BINFO_OFFSET (expr) = stream_read_tree_ref (ib, data_in);
991 : 5851 : BINFO_VTABLE (expr) = stream_read_tree_ref (ib, data_in);
992 : :
993 : : /* Do not walk BINFO_INHERITANCE_CHAIN, BINFO_SUBVTT_INDEX,
994 : : BINFO_BASE_ACCESSES and BINFO_VPTR_INDEX; these are used by C++ FE
995 : : only. */
996 : 5851 : }
997 : :
998 : :
999 : : /* Read all pointer fields in the TS_CONSTRUCTOR structure of EXPR from
1000 : : input block IB. DATA_IN contains tables and descriptors for the
1001 : : file being read. */
1002 : :
1003 : : static void
1004 : 26019 : lto_input_ts_constructor_tree_pointers (class lto_input_block *ib,
1005 : : class data_in *data_in, tree expr)
1006 : : {
1007 : 26019 : unsigned i;
1008 : :
1009 : 199585 : for (i = 0; i < CONSTRUCTOR_NELTS (expr); i++)
1010 : : {
1011 : 81081 : constructor_elt e;
1012 : 81081 : e.index = stream_read_tree_ref (ib, data_in);
1013 : 81081 : e.value = stream_read_tree_ref (ib, data_in);
1014 : 81081 : (*CONSTRUCTOR_ELTS (expr))[i] = e;
1015 : : }
1016 : 26019 : }
1017 : :
1018 : :
1019 : : /* Read all pointer fields in the TS_OMP_CLAUSE structure of EXPR from
1020 : : input block IB. DATA_IN contains tables and descriptors for the
1021 : : file being read. */
1022 : :
1023 : : static void
1024 : 202 : lto_input_ts_omp_clause_tree_pointers (class lto_input_block *ib,
1025 : : class data_in *data_in, tree expr)
1026 : : {
1027 : 202 : int i;
1028 : :
1029 : 477 : for (i = 0; i < omp_clause_num_ops[OMP_CLAUSE_CODE (expr)]; i++)
1030 : 275 : OMP_CLAUSE_OPERAND (expr, i) = stream_read_tree_ref (ib, data_in);
1031 : 202 : OMP_CLAUSE_CHAIN (expr) = stream_read_tree_ref (ib, data_in);
1032 : 202 : }
1033 : :
1034 : :
1035 : : /* Read all pointer fields in EXPR from input block IB. DATA_IN
1036 : : contains tables and descriptors for the file being read. */
1037 : :
1038 : : void
1039 : 4165543 : streamer_read_tree_body (class lto_input_block *ib, class data_in *data_in,
1040 : : tree expr)
1041 : : {
1042 : 4165543 : enum tree_code code;
1043 : :
1044 : 4165543 : code = TREE_CODE (expr);
1045 : :
1046 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_TYPED))
1047 : 3855954 : lto_input_ts_common_tree_pointers (ib, data_in, expr);
1048 : :
1049 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_VECTOR))
1050 : 2618 : lto_input_ts_vector_tree_pointers (ib, data_in, expr);
1051 : :
1052 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_POLY_INT_CST))
1053 : 0 : lto_input_ts_poly_tree_pointers (ib, data_in, expr);
1054 : :
1055 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_COMPLEX))
1056 : 6854 : lto_input_ts_complex_tree_pointers (ib, data_in, expr);
1057 : :
1058 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL))
1059 : 719844 : lto_input_ts_decl_minimal_tree_pointers (ib, data_in, expr);
1060 : :
1061 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
1062 : 719844 : lto_input_ts_decl_common_tree_pointers (ib, data_in, expr);
1063 : :
1064 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_DECL_NON_COMMON))
1065 : 4165543 : lto_input_ts_decl_non_common_tree_pointers (ib, data_in, expr);
1066 : :
1067 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
1068 : 429739 : lto_input_ts_decl_with_vis_tree_pointers (ib, data_in, expr);
1069 : :
1070 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_FIELD_DECL))
1071 : 69731 : lto_input_ts_field_decl_tree_pointers (ib, data_in, expr);
1072 : :
1073 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL))
1074 : 191148 : lto_input_ts_function_decl_tree_pointers (ib, data_in, expr);
1075 : :
1076 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON))
1077 : 460452 : lto_input_ts_type_common_tree_pointers (ib, data_in, expr);
1078 : :
1079 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_TYPE_NON_COMMON))
1080 : 460452 : lto_input_ts_type_non_common_tree_pointers (ib, data_in, expr);
1081 : :
1082 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_LIST))
1083 : 389711 : lto_input_ts_list_tree_pointers (ib, data_in, expr);
1084 : :
1085 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_VEC))
1086 : 0 : lto_input_ts_vec_tree_pointers (ib, data_in, expr);
1087 : :
1088 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_EXP))
1089 : 1274270 : lto_input_ts_exp_tree_pointers (ib, data_in, expr);
1090 : :
1091 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_BLOCK))
1092 : 263995 : lto_input_ts_block_tree_pointers (ib, data_in, expr);
1093 : :
1094 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
1095 : 5851 : lto_input_ts_binfo_tree_pointers (ib, data_in, expr);
1096 : :
1097 : 4165543 : if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR))
1098 : 26019 : lto_input_ts_constructor_tree_pointers (ib, data_in, expr);
1099 : :
1100 : 4165543 : if (code == OMP_CLAUSE)
1101 : 202 : lto_input_ts_omp_clause_tree_pointers (ib, data_in, expr);
1102 : 4165543 : }
1103 : :
1104 : :
1105 : : /* Read an index IX from input block IB and return the tree node at
1106 : : DATA_IN->FILE_DATA->GLOBALS_INDEX[IX]. */
1107 : :
1108 : : tree
1109 : 1575470 : streamer_get_pickled_tree (class lto_input_block *ib, class data_in *data_in)
1110 : : {
1111 : 1575470 : unsigned HOST_WIDE_INT ix;
1112 : 1575470 : tree result;
1113 : 1575470 : enum LTO_tags expected_tag;
1114 : :
1115 : 1575470 : ix = streamer_read_uhwi (ib);
1116 : 1575470 : result = streamer_tree_cache_get_tree (data_in->reader_cache, ix);
1117 : :
1118 : 1575470 : if (streamer_debugging)
1119 : : {
1120 : : expected_tag = streamer_read_enum (ib, LTO_tags, LTO_NUM_TAGS);
1121 : : gcc_assert (result
1122 : : && TREE_CODE (result) == lto_tag_to_tree_code (expected_tag));
1123 : : }
1124 : :
1125 : 1575470 : return result;
1126 : : }
|
