1 /* Routines for reading trees from a file stream.
3 Copyright (C) 2011-2019 Free Software Foundation, Inc.
4 Contributed by Diego Novillo <dnovillo@google.com>
6 This file is part of GCC.
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
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
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/>. */
24 #include "coretypes.h"
29 #include "stringpool.h"
30 #include "tree-streamer.h"
33 #include "gomp-constants.h"
34 #include "stringpool.h"
40 /* Read a STRING_CST from the string table in DATA_IN using input
44 streamer_read_string_cst (struct data_in
*data_in
, struct lto_input_block
*ib
)
49 ptr
= streamer_read_indexed_string (data_in
, ib
, &len
);
52 return build_string (len
, ptr
);
56 /* Read an IDENTIFIER from the string table in DATA_IN using input
60 input_identifier (struct data_in
*data_in
, struct lto_input_block
*ib
)
65 ptr
= streamer_read_indexed_string (data_in
, ib
, &len
);
68 return get_identifier_with_length (ptr
, len
);
72 /* Read a chain of tree nodes from input block IB. DATA_IN contains
73 tables and descriptors for the file being read. */
76 streamer_read_chain (struct lto_input_block
*ib
, struct data_in
*data_in
)
78 tree first
, prev
, curr
;
80 /* The chain is written as NULL terminated list of trees. */
81 first
= prev
= NULL_TREE
;
84 curr
= stream_read_tree (ib
, data_in
);
86 TREE_CHAIN (prev
) = curr
;
98 /* Unpack all the non-pointer fields of the TS_BASE structure of
99 expression EXPR from bitpack BP. */
102 unpack_ts_base_value_fields (struct bitpack_d
*bp
, tree expr
)
104 /* Note that the code for EXPR has already been unpacked to create EXPR in
105 streamer_alloc_tree. */
108 TREE_SIDE_EFFECTS (expr
) = (unsigned) bp_unpack_value (bp
, 1);
109 TREE_CONSTANT (expr
) = (unsigned) bp_unpack_value (bp
, 1);
110 TREE_READONLY (expr
) = (unsigned) bp_unpack_value (bp
, 1);
112 /* TREE_PUBLIC is used on types to indicate that the type
113 has a TYPE_CACHED_VALUES vector. This is not streamed out,
114 so we skip it here. */
115 TREE_PUBLIC (expr
) = (unsigned) bp_unpack_value (bp
, 1);
118 bp_unpack_value (bp
, 4);
119 TREE_ADDRESSABLE (expr
) = (unsigned) bp_unpack_value (bp
, 1);
120 TREE_THIS_VOLATILE (expr
) = (unsigned) bp_unpack_value (bp
, 1);
123 DECL_UNSIGNED (expr
) = (unsigned) bp_unpack_value (bp
, 1);
124 DECL_NAMELESS (expr
) = (unsigned) bp_unpack_value (bp
, 1);
126 else if (TYPE_P (expr
))
127 TYPE_UNSIGNED (expr
) = (unsigned) bp_unpack_value (bp
, 1);
129 bp_unpack_value (bp
, 1);
130 TREE_ASM_WRITTEN (expr
) = (unsigned) bp_unpack_value (bp
, 1);
132 TYPE_ARTIFICIAL (expr
) = (unsigned) bp_unpack_value (bp
, 1);
134 TREE_NO_WARNING (expr
) = (unsigned) bp_unpack_value (bp
, 1);
135 TREE_NOTHROW (expr
) = (unsigned) bp_unpack_value (bp
, 1);
136 TREE_STATIC (expr
) = (unsigned) bp_unpack_value (bp
, 1);
137 if (TREE_CODE (expr
) != TREE_BINFO
)
138 TREE_PRIVATE (expr
) = (unsigned) bp_unpack_value (bp
, 1);
140 bp_unpack_value (bp
, 1);
141 TREE_PROTECTED (expr
) = (unsigned) bp_unpack_value (bp
, 1);
142 TREE_DEPRECATED (expr
) = (unsigned) bp_unpack_value (bp
, 1);
145 if (AGGREGATE_TYPE_P (expr
))
146 TYPE_REVERSE_STORAGE_ORDER (expr
) = (unsigned) bp_unpack_value (bp
, 1);
148 TYPE_SATURATING (expr
) = (unsigned) bp_unpack_value (bp
, 1);
149 TYPE_ADDR_SPACE (expr
) = (unsigned) bp_unpack_value (bp
, 8);
151 else if (TREE_CODE (expr
) == BIT_FIELD_REF
|| TREE_CODE (expr
) == MEM_REF
)
153 REF_REVERSE_STORAGE_ORDER (expr
) = (unsigned) bp_unpack_value (bp
, 1);
154 bp_unpack_value (bp
, 8);
156 else if (TREE_CODE (expr
) == SSA_NAME
)
158 SSA_NAME_IS_DEFAULT_DEF (expr
) = (unsigned) bp_unpack_value (bp
, 1);
159 bp_unpack_value (bp
, 8);
161 else if (TREE_CODE (expr
) == CALL_EXPR
)
163 CALL_EXPR_BY_DESCRIPTOR (expr
) = (unsigned) bp_unpack_value (bp
, 1);
164 bp_unpack_value (bp
, 8);
167 bp_unpack_value (bp
, 9);
171 /* Unpack all the non-pointer fields of the TS_INT_CST structure of
172 expression EXPR from bitpack BP. */
175 unpack_ts_int_cst_value_fields (struct bitpack_d
*bp
, tree expr
)
178 for (i
= 0; i
< TREE_INT_CST_EXT_NUNITS (expr
); i
++)
179 TREE_INT_CST_ELT (expr
, i
) = bp_unpack_var_len_int (bp
);
183 /* Unpack all the non-pointer fields of the TS_REAL_CST structure of
184 expression EXPR from bitpack BP. */
187 unpack_ts_real_cst_value_fields (struct bitpack_d
*bp
, tree expr
)
193 /* Clear all bits of the real value type so that we can later do
194 bitwise comparisons to see if two values are the same. */
195 memset (&r
, 0, sizeof r
);
196 r
.cl
= (unsigned) bp_unpack_value (bp
, 2);
197 r
.decimal
= (unsigned) bp_unpack_value (bp
, 1);
198 r
.sign
= (unsigned) bp_unpack_value (bp
, 1);
199 r
.signalling
= (unsigned) bp_unpack_value (bp
, 1);
200 r
.canonical
= (unsigned) bp_unpack_value (bp
, 1);
201 r
.uexp
= (unsigned) bp_unpack_value (bp
, EXP_BITS
);
202 for (i
= 0; i
< SIGSZ
; i
++)
203 r
.sig
[i
] = (unsigned long) bp_unpack_value (bp
, HOST_BITS_PER_LONG
);
205 rp
= ggc_alloc
<real_value
> ();
206 memcpy (rp
, &r
, sizeof (REAL_VALUE_TYPE
));
207 TREE_REAL_CST_PTR (expr
) = rp
;
211 /* Unpack all the non-pointer fields of the TS_FIXED_CST structure of
212 expression EXPR from bitpack BP. */
215 unpack_ts_fixed_cst_value_fields (struct bitpack_d
*bp
, tree expr
)
217 FIXED_VALUE_TYPE
*fp
= ggc_alloc
<fixed_value
> ();
218 fp
->mode
= as_a
<scalar_mode
> (bp_unpack_machine_mode (bp
));
219 fp
->data
.low
= bp_unpack_var_len_int (bp
);
220 fp
->data
.high
= bp_unpack_var_len_int (bp
);
221 TREE_FIXED_CST_PTR (expr
) = fp
;
224 /* Unpack all the non-pointer fields of the TS_DECL_COMMON structure
225 of expression EXPR from bitpack BP. */
228 unpack_ts_decl_common_value_fields (struct bitpack_d
*bp
, tree expr
)
230 SET_DECL_MODE (expr
, bp_unpack_machine_mode (bp
));
231 DECL_NONLOCAL (expr
) = (unsigned) bp_unpack_value (bp
, 1);
232 DECL_VIRTUAL_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
233 DECL_IGNORED_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
234 DECL_ABSTRACT_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
235 DECL_ARTIFICIAL (expr
) = (unsigned) bp_unpack_value (bp
, 1);
236 DECL_USER_ALIGN (expr
) = (unsigned) bp_unpack_value (bp
, 1);
237 DECL_PRESERVE_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
238 DECL_EXTERNAL (expr
) = (unsigned) bp_unpack_value (bp
, 1);
239 DECL_GIMPLE_REG_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
240 SET_DECL_ALIGN (expr
, (unsigned) bp_unpack_var_len_unsigned (bp
));
241 #ifdef ACCEL_COMPILER
242 if (DECL_ALIGN (expr
) > targetm
.absolute_biggest_alignment
)
243 SET_DECL_ALIGN (expr
, targetm
.absolute_biggest_alignment
);
245 if (TREE_CODE (expr
) == LABEL_DECL
)
247 EH_LANDING_PAD_NR (expr
) = (int) bp_unpack_var_len_unsigned (bp
);
249 /* Always assume an initial value of -1 for LABEL_DECL_UID to
250 force gimple_set_bb to recreate label_to_block_map. */
251 LABEL_DECL_UID (expr
) = -1;
254 else if (TREE_CODE (expr
) == FIELD_DECL
)
256 DECL_PACKED (expr
) = (unsigned) bp_unpack_value (bp
, 1);
257 DECL_NONADDRESSABLE_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
258 DECL_PADDING_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
259 expr
->decl_common
.off_align
= bp_unpack_value (bp
, 8);
262 else if (VAR_P (expr
))
264 DECL_HAS_DEBUG_EXPR_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
265 DECL_NONLOCAL_FRAME (expr
) = (unsigned) bp_unpack_value (bp
, 1);
268 else if (TREE_CODE (expr
) == PARM_DECL
)
269 DECL_HIDDEN_STRING_LENGTH (expr
) = (unsigned) bp_unpack_value (bp
, 1);
271 if (TREE_CODE (expr
) == RESULT_DECL
272 || TREE_CODE (expr
) == PARM_DECL
275 DECL_BY_REFERENCE (expr
) = (unsigned) bp_unpack_value (bp
, 1);
276 if (VAR_P (expr
) || TREE_CODE (expr
) == PARM_DECL
)
277 DECL_HAS_VALUE_EXPR_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
282 /* Unpack all the non-pointer fields of the TS_DECL_WRTL structure
283 of expression EXPR from bitpack BP. */
286 unpack_ts_decl_wrtl_value_fields (struct bitpack_d
*bp
, tree expr
)
288 DECL_REGISTER (expr
) = (unsigned) bp_unpack_value (bp
, 1);
292 /* Unpack all the non-pointer fields of the TS_DECL_WITH_VIS structure
293 of expression EXPR from bitpack BP. */
296 unpack_ts_decl_with_vis_value_fields (struct bitpack_d
*bp
, tree expr
)
298 DECL_COMMON (expr
) = (unsigned) bp_unpack_value (bp
, 1);
299 DECL_DLLIMPORT_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
300 DECL_WEAK (expr
) = (unsigned) bp_unpack_value (bp
, 1);
301 DECL_SEEN_IN_BIND_EXPR_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
302 DECL_COMDAT (expr
) = (unsigned) bp_unpack_value (bp
, 1);
303 DECL_VISIBILITY (expr
) = (enum symbol_visibility
) bp_unpack_value (bp
, 2);
304 DECL_VISIBILITY_SPECIFIED (expr
) = (unsigned) bp_unpack_value (bp
, 1);
308 DECL_HARD_REGISTER (expr
) = (unsigned) bp_unpack_value (bp
, 1);
309 DECL_IN_CONSTANT_POOL (expr
) = (unsigned) bp_unpack_value (bp
, 1);
312 if (TREE_CODE (expr
) == FUNCTION_DECL
)
314 DECL_FINAL_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
315 DECL_CXX_CONSTRUCTOR_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
316 DECL_CXX_DESTRUCTOR_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
321 /* Unpack all the non-pointer fields of the TS_FUNCTION_DECL structure
322 of expression EXPR from bitpack BP. */
325 unpack_ts_function_decl_value_fields (struct bitpack_d
*bp
, tree expr
)
327 DECL_BUILT_IN_CLASS (expr
) = bp_unpack_enum (bp
, built_in_class
,
329 DECL_STATIC_CONSTRUCTOR (expr
) = (unsigned) bp_unpack_value (bp
, 1);
330 DECL_STATIC_DESTRUCTOR (expr
) = (unsigned) bp_unpack_value (bp
, 1);
331 DECL_UNINLINABLE (expr
) = (unsigned) bp_unpack_value (bp
, 1);
332 DECL_POSSIBLY_INLINED (expr
) = (unsigned) bp_unpack_value (bp
, 1);
333 DECL_IS_NOVOPS (expr
) = (unsigned) bp_unpack_value (bp
, 1);
334 DECL_IS_RETURNS_TWICE (expr
) = (unsigned) bp_unpack_value (bp
, 1);
335 DECL_IS_MALLOC (expr
) = (unsigned) bp_unpack_value (bp
, 1);
336 DECL_IS_OPERATOR_NEW (expr
) = (unsigned) bp_unpack_value (bp
, 1);
337 DECL_DECLARED_INLINE_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
338 DECL_STATIC_CHAIN (expr
) = (unsigned) bp_unpack_value (bp
, 1);
339 DECL_NO_INLINE_WARNING_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
340 DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (expr
)
341 = (unsigned) bp_unpack_value (bp
, 1);
342 DECL_NO_LIMIT_STACK (expr
) = (unsigned) bp_unpack_value (bp
, 1);
343 DECL_DISREGARD_INLINE_LIMITS (expr
) = (unsigned) bp_unpack_value (bp
, 1);
344 DECL_PURE_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
345 DECL_LOOPING_CONST_OR_PURE_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
346 if (DECL_BUILT_IN_CLASS (expr
) != NOT_BUILT_IN
)
348 DECL_FUNCTION_CODE (expr
) = (enum built_in_function
) bp_unpack_value (bp
,
350 if (DECL_BUILT_IN_CLASS (expr
) == BUILT_IN_NORMAL
351 && DECL_FUNCTION_CODE (expr
) >= END_BUILTINS
)
352 fatal_error (input_location
,
353 "machine independent builtin code out of range");
354 else if (DECL_BUILT_IN_CLASS (expr
) == BUILT_IN_MD
)
356 tree result
= targetm
.builtin_decl (DECL_FUNCTION_CODE (expr
), true);
357 if (!result
|| result
== error_mark_node
)
358 fatal_error (input_location
,
359 "target specific builtin not available");
365 /* Unpack all the non-pointer fields of the TS_TYPE_COMMON structure
366 of expression EXPR from bitpack BP. */
369 unpack_ts_type_common_value_fields (struct bitpack_d
*bp
, tree expr
)
373 mode
= bp_unpack_machine_mode (bp
);
374 SET_TYPE_MODE (expr
, mode
);
375 TYPE_STRING_FLAG (expr
) = (unsigned) bp_unpack_value (bp
, 1);
376 /* TYPE_NO_FORCE_BLK is private to stor-layout and need
378 TYPE_PACKED (expr
) = (unsigned) bp_unpack_value (bp
, 1);
379 TYPE_RESTRICT (expr
) = (unsigned) bp_unpack_value (bp
, 1);
380 TYPE_USER_ALIGN (expr
) = (unsigned) bp_unpack_value (bp
, 1);
381 TYPE_READONLY (expr
) = (unsigned) bp_unpack_value (bp
, 1);
382 if (RECORD_OR_UNION_TYPE_P (expr
))
384 TYPE_TRANSPARENT_AGGR (expr
) = (unsigned) bp_unpack_value (bp
, 1);
385 TYPE_FINAL_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
387 else if (TREE_CODE (expr
) == ARRAY_TYPE
)
388 TYPE_NONALIASED_COMPONENT (expr
) = (unsigned) bp_unpack_value (bp
, 1);
389 if (AGGREGATE_TYPE_P (expr
))
390 TYPE_TYPELESS_STORAGE (expr
) = (unsigned) bp_unpack_value (bp
, 1);
391 TYPE_EMPTY_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
392 TYPE_PRECISION (expr
) = bp_unpack_var_len_unsigned (bp
);
393 SET_TYPE_ALIGN (expr
, bp_unpack_var_len_unsigned (bp
));
394 #ifdef ACCEL_COMPILER
395 if (TYPE_ALIGN (expr
) > targetm
.absolute_biggest_alignment
)
396 SET_TYPE_ALIGN (expr
, targetm
.absolute_biggest_alignment
);
401 /* Unpack all the non-pointer fields of the TS_BLOCK structure
402 of expression EXPR from bitpack BP. */
405 unpack_ts_block_value_fields (struct data_in
*data_in
,
406 struct bitpack_d
*bp
, tree expr
)
408 /* BLOCK_NUMBER is recomputed. */
409 stream_input_location (&BLOCK_SOURCE_LOCATION (expr
), bp
, data_in
);
412 /* Unpack all the non-pointer fields of the TS_TRANSLATION_UNIT_DECL
413 structure of expression EXPR from bitpack BP. */
416 unpack_ts_translation_unit_decl_value_fields (struct data_in
*data_in
,
417 struct bitpack_d
*bp
, tree expr
)
419 TRANSLATION_UNIT_LANGUAGE (expr
) = xstrdup (bp_unpack_string (data_in
, bp
));
420 vec_safe_push (all_translation_units
, expr
);
424 /* Unpack all the non-pointer fields of the TS_OMP_CLAUSE
425 structure of expression EXPR from bitpack BP. */
428 unpack_ts_omp_clause_value_fields (struct data_in
*data_in
,
429 struct bitpack_d
*bp
, tree expr
)
431 stream_input_location (&OMP_CLAUSE_LOCATION (expr
), bp
, data_in
);
432 switch (OMP_CLAUSE_CODE (expr
))
434 case OMP_CLAUSE_DEFAULT
:
435 OMP_CLAUSE_DEFAULT_KIND (expr
)
436 = bp_unpack_enum (bp
, omp_clause_default_kind
,
437 OMP_CLAUSE_DEFAULT_LAST
);
439 case OMP_CLAUSE_SCHEDULE
:
440 OMP_CLAUSE_SCHEDULE_KIND (expr
)
441 = bp_unpack_enum (bp
, omp_clause_schedule_kind
,
442 OMP_CLAUSE_SCHEDULE_LAST
);
444 case OMP_CLAUSE_DEPEND
:
445 OMP_CLAUSE_DEPEND_KIND (expr
)
446 = bp_unpack_enum (bp
, omp_clause_depend_kind
, OMP_CLAUSE_DEPEND_LAST
);
449 OMP_CLAUSE_SET_MAP_KIND (expr
, bp_unpack_enum (bp
, gomp_map_kind
,
452 case OMP_CLAUSE_PROC_BIND
:
453 OMP_CLAUSE_PROC_BIND_KIND (expr
)
454 = bp_unpack_enum (bp
, omp_clause_proc_bind_kind
,
455 OMP_CLAUSE_PROC_BIND_LAST
);
457 case OMP_CLAUSE_REDUCTION
:
458 case OMP_CLAUSE_TASK_REDUCTION
:
459 case OMP_CLAUSE_IN_REDUCTION
:
460 OMP_CLAUSE_REDUCTION_CODE (expr
)
461 = bp_unpack_enum (bp
, tree_code
, MAX_TREE_CODES
);
469 /* Read all the language-independent bitfield values for EXPR from IB.
470 Return the partially unpacked bitpack so the caller can unpack any other
471 bitfield values that the writer may have written. */
474 streamer_read_tree_bitfields (struct lto_input_block
*ib
,
475 struct data_in
*data_in
, tree expr
)
480 /* Read the bitpack of non-pointer values from IB. */
481 bp
= streamer_read_bitpack (ib
);
483 /* The first word in BP contains the code of the tree that we
484 are about to read. */
485 code
= (enum tree_code
) bp_unpack_value (&bp
, 16);
486 lto_tag_check (lto_tree_code_to_tag (code
),
487 lto_tree_code_to_tag (TREE_CODE (expr
)));
489 /* Note that all these functions are highly sensitive to changes in
490 the types and sizes of each of the fields being packed. */
491 unpack_ts_base_value_fields (&bp
, expr
);
493 if (CODE_CONTAINS_STRUCT (code
, TS_INT_CST
))
494 unpack_ts_int_cst_value_fields (&bp
, expr
);
496 if (CODE_CONTAINS_STRUCT (code
, TS_REAL_CST
))
497 unpack_ts_real_cst_value_fields (&bp
, expr
);
499 if (CODE_CONTAINS_STRUCT (code
, TS_FIXED_CST
))
500 unpack_ts_fixed_cst_value_fields (&bp
, expr
);
502 if (CODE_CONTAINS_STRUCT (code
, TS_DECL_MINIMAL
))
503 stream_input_location (&DECL_SOURCE_LOCATION (expr
), &bp
, data_in
);
505 if (CODE_CONTAINS_STRUCT (code
, TS_DECL_COMMON
))
506 unpack_ts_decl_common_value_fields (&bp
, expr
);
508 if (CODE_CONTAINS_STRUCT (code
, TS_DECL_WRTL
))
509 unpack_ts_decl_wrtl_value_fields (&bp
, expr
);
511 if (CODE_CONTAINS_STRUCT (code
, TS_DECL_WITH_VIS
))
512 unpack_ts_decl_with_vis_value_fields (&bp
, expr
);
514 if (CODE_CONTAINS_STRUCT (code
, TS_FUNCTION_DECL
))
515 unpack_ts_function_decl_value_fields (&bp
, expr
);
517 if (CODE_CONTAINS_STRUCT (code
, TS_TYPE_COMMON
))
518 unpack_ts_type_common_value_fields (&bp
, expr
);
520 if (CODE_CONTAINS_STRUCT (code
, TS_EXP
))
522 stream_input_location (&EXPR_CHECK (expr
)->exp
.locus
, &bp
, data_in
);
524 || code
== TARGET_MEM_REF
)
526 MR_DEPENDENCE_CLIQUE (expr
)
527 = (unsigned)bp_unpack_value (&bp
, sizeof (short) * 8);
528 if (MR_DEPENDENCE_CLIQUE (expr
) != 0)
529 MR_DEPENDENCE_BASE (expr
)
530 = (unsigned)bp_unpack_value (&bp
, sizeof (short) * 8);
532 else if (code
== CALL_EXPR
)
533 CALL_EXPR_IFN (expr
) = bp_unpack_enum (&bp
, internal_fn
, IFN_LAST
);
536 if (CODE_CONTAINS_STRUCT (code
, TS_BLOCK
))
537 unpack_ts_block_value_fields (data_in
, &bp
, expr
);
539 if (CODE_CONTAINS_STRUCT (code
, TS_TRANSLATION_UNIT_DECL
))
540 unpack_ts_translation_unit_decl_value_fields (data_in
, &bp
, expr
);
542 if (CODE_CONTAINS_STRUCT (code
, TS_OPTIMIZATION
))
543 cl_optimization_stream_in (data_in
, &bp
, TREE_OPTIMIZATION (expr
));
545 if (CODE_CONTAINS_STRUCT (code
, TS_CONSTRUCTOR
))
547 unsigned HOST_WIDE_INT length
= bp_unpack_var_len_unsigned (&bp
);
549 vec_safe_grow (CONSTRUCTOR_ELTS (expr
), length
);
552 #ifndef ACCEL_COMPILER
553 if (CODE_CONTAINS_STRUCT (code
, TS_TARGET_OPTION
))
555 cl_target_option_stream_in (data_in
, &bp
, TREE_TARGET_OPTION (expr
));
556 if (targetm
.target_option
.post_stream_in
)
557 targetm
.target_option
.post_stream_in (TREE_TARGET_OPTION (expr
));
561 if (code
== OMP_CLAUSE
)
562 unpack_ts_omp_clause_value_fields (data_in
, &bp
, expr
);
566 /* Materialize a new tree from input block IB using descriptors in
567 DATA_IN. The code for the new tree should match TAG. Store in
568 *IX_P the index into the reader cache where the new tree is stored. */
571 streamer_alloc_tree (struct lto_input_block
*ib
, struct data_in
*data_in
,
579 code
= lto_tag_to_tree_code (tag
);
581 /* We should never see an SSA_NAME tree. Only the version numbers of
582 SSA names are ever written out. See input_ssa_names. */
583 gcc_assert (code
!= SSA_NAME
);
585 /* Instantiate a new tree using the header data. */
586 if (CODE_CONTAINS_STRUCT (code
, TS_STRING
))
587 result
= streamer_read_string_cst (data_in
, ib
);
588 else if (CODE_CONTAINS_STRUCT (code
, TS_IDENTIFIER
))
589 result
= input_identifier (data_in
, ib
);
590 else if (CODE_CONTAINS_STRUCT (code
, TS_VEC
))
592 HOST_WIDE_INT len
= streamer_read_hwi (ib
);
593 result
= make_tree_vec (len
);
595 else if (CODE_CONTAINS_STRUCT (code
, TS_VECTOR
))
597 bitpack_d bp
= streamer_read_bitpack (ib
);
598 unsigned int log2_npatterns
= bp_unpack_value (&bp
, 8);
599 unsigned int nelts_per_pattern
= bp_unpack_value (&bp
, 8);
600 result
= make_vector (log2_npatterns
, nelts_per_pattern
);
602 else if (CODE_CONTAINS_STRUCT (code
, TS_BINFO
))
604 unsigned HOST_WIDE_INT len
= streamer_read_uhwi (ib
);
605 result
= make_tree_binfo (len
);
607 else if (CODE_CONTAINS_STRUCT (code
, TS_INT_CST
))
609 unsigned HOST_WIDE_INT len
= streamer_read_uhwi (ib
);
610 unsigned HOST_WIDE_INT ext_len
= streamer_read_uhwi (ib
);
611 result
= make_int_cst (len
, ext_len
);
613 else if (code
== CALL_EXPR
)
615 unsigned HOST_WIDE_INT nargs
= streamer_read_uhwi (ib
);
616 return build_vl_exp (CALL_EXPR
, nargs
+ 3);
618 else if (code
== OMP_CLAUSE
)
620 enum omp_clause_code subcode
621 = (enum omp_clause_code
) streamer_read_uhwi (ib
);
622 return build_omp_clause (UNKNOWN_LOCATION
, subcode
);
626 /* For all other nodes, materialize the tree with a raw
628 result
= make_node (code
);
635 /* Read all pointer fields in the TS_COMMON structure of EXPR from input
636 block IB. DATA_IN contains tables and descriptors for the
641 lto_input_ts_common_tree_pointers (struct lto_input_block
*ib
,
642 struct data_in
*data_in
, tree expr
)
644 if (TREE_CODE (expr
) != IDENTIFIER_NODE
)
645 TREE_TYPE (expr
) = stream_read_tree (ib
, data_in
);
649 /* Read all pointer fields in the TS_VECTOR structure of EXPR from input
650 block IB. DATA_IN contains tables and descriptors for the
654 lto_input_ts_vector_tree_pointers (struct lto_input_block
*ib
,
655 struct data_in
*data_in
, tree expr
)
657 unsigned int count
= vector_cst_encoded_nelts (expr
);
658 for (unsigned int i
= 0; i
< count
; ++i
)
659 VECTOR_CST_ENCODED_ELT (expr
, i
) = stream_read_tree (ib
, data_in
);
663 /* Read all pointer fields in the TS_POLY_INT_CST structure of EXPR from
664 input block IB. DATA_IN contains tables and descriptors for the
668 lto_input_ts_poly_tree_pointers (struct lto_input_block
*ib
,
669 struct data_in
*data_in
, tree expr
)
671 for (unsigned int i
= 0; i
< NUM_POLY_INT_COEFFS
; ++i
)
672 POLY_INT_CST_COEFF (expr
, i
) = stream_read_tree (ib
, data_in
);
676 /* Read all pointer fields in the TS_COMPLEX structure of EXPR from input
677 block IB. DATA_IN contains tables and descriptors for the
681 lto_input_ts_complex_tree_pointers (struct lto_input_block
*ib
,
682 struct data_in
*data_in
, tree expr
)
684 TREE_REALPART (expr
) = stream_read_tree (ib
, data_in
);
685 TREE_IMAGPART (expr
) = stream_read_tree (ib
, data_in
);
689 /* Read all pointer fields in the TS_DECL_MINIMAL structure of EXPR
690 from input block IB. DATA_IN contains tables and descriptors for the
694 lto_input_ts_decl_minimal_tree_pointers (struct lto_input_block
*ib
,
695 struct data_in
*data_in
, tree expr
)
697 DECL_NAME (expr
) = stream_read_tree (ib
, data_in
);
698 DECL_CONTEXT (expr
) = stream_read_tree (ib
, data_in
);
702 /* Read all pointer fields in the TS_DECL_COMMON structure of EXPR from
703 input block IB. DATA_IN contains tables and descriptors for the
707 lto_input_ts_decl_common_tree_pointers (struct lto_input_block
*ib
,
708 struct data_in
*data_in
, tree expr
)
710 DECL_SIZE (expr
) = stream_read_tree (ib
, data_in
);
711 DECL_SIZE_UNIT (expr
) = stream_read_tree (ib
, data_in
);
712 DECL_ATTRIBUTES (expr
) = stream_read_tree (ib
, data_in
);
713 DECL_ABSTRACT_ORIGIN (expr
) = stream_read_tree (ib
, data_in
);
715 if ((VAR_P (expr
) || TREE_CODE (expr
) == PARM_DECL
)
716 && DECL_HAS_VALUE_EXPR_P (expr
))
717 SET_DECL_VALUE_EXPR (expr
, stream_read_tree (ib
, data_in
));
720 && DECL_HAS_DEBUG_EXPR_P (expr
))
722 tree dexpr
= stream_read_tree (ib
, data_in
);
724 SET_DECL_DEBUG_EXPR (expr
, dexpr
);
729 /* Read all pointer fields in the TS_DECL_NON_COMMON structure of
730 EXPR from input block IB. DATA_IN contains tables and descriptors for the
734 lto_input_ts_decl_non_common_tree_pointers (struct lto_input_block
*,
735 struct data_in
*, tree
)
740 /* Read all pointer fields in the TS_DECL_WITH_VIS structure of EXPR
741 from input block IB. DATA_IN contains tables and descriptors for the
745 lto_input_ts_decl_with_vis_tree_pointers (struct lto_input_block
*ib
,
746 struct data_in
*data_in
, tree expr
)
750 id
= stream_read_tree (ib
, data_in
);
753 gcc_assert (TREE_CODE (id
) == IDENTIFIER_NODE
);
754 SET_DECL_ASSEMBLER_NAME (expr
, id
);
759 /* Read all pointer fields in the TS_FIELD_DECL structure of EXPR from
760 input block IB. DATA_IN contains tables and descriptors for the
764 lto_input_ts_field_decl_tree_pointers (struct lto_input_block
*ib
,
765 struct data_in
*data_in
, tree expr
)
767 DECL_FIELD_OFFSET (expr
) = stream_read_tree (ib
, data_in
);
768 DECL_BIT_FIELD_TYPE (expr
) = stream_read_tree (ib
, data_in
);
769 DECL_BIT_FIELD_REPRESENTATIVE (expr
) = stream_read_tree (ib
, data_in
);
770 DECL_FIELD_BIT_OFFSET (expr
) = stream_read_tree (ib
, data_in
);
774 /* Read all pointer fields in the TS_FUNCTION_DECL structure of EXPR
775 from input block IB. DATA_IN contains tables and descriptors for the
779 lto_input_ts_function_decl_tree_pointers (struct lto_input_block
*ib
,
780 struct data_in
*data_in
, tree expr
)
782 /* DECL_STRUCT_FUNCTION is loaded on demand by cgraph_get_body. */
783 DECL_FUNCTION_PERSONALITY (expr
) = stream_read_tree (ib
, data_in
);
784 #ifndef ACCEL_COMPILER
785 DECL_FUNCTION_SPECIFIC_TARGET (expr
) = stream_read_tree (ib
, data_in
);
787 DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr
) = stream_read_tree (ib
, data_in
);
788 #ifdef ACCEL_COMPILER
790 tree opts
= DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr
);
793 struct gcc_options tmp
;
794 init_options_struct (&tmp
, NULL
);
795 cl_optimization_restore (&tmp
, TREE_OPTIMIZATION (opts
));
796 finish_options (&tmp
, &global_options_set
, UNKNOWN_LOCATION
);
797 opts
= build_optimization_node (&tmp
);
798 finalize_options_struct (&tmp
);
799 DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr
) = opts
;
804 /* If the file contains a function with an EH personality set,
805 then it was compiled with -fexceptions. In that case, initialize
806 the backend EH machinery. */
807 if (DECL_FUNCTION_PERSONALITY (expr
))
812 /* Read all pointer fields in the TS_TYPE_COMMON structure of EXPR from
813 input block IB. DATA_IN contains tables and descriptors for the file
817 lto_input_ts_type_common_tree_pointers (struct lto_input_block
*ib
,
818 struct data_in
*data_in
, tree expr
)
820 TYPE_SIZE (expr
) = stream_read_tree (ib
, data_in
);
821 TYPE_SIZE_UNIT (expr
) = stream_read_tree (ib
, data_in
);
822 TYPE_ATTRIBUTES (expr
) = stream_read_tree (ib
, data_in
);
823 TYPE_NAME (expr
) = stream_read_tree (ib
, data_in
);
824 /* Do not stream TYPE_POINTER_TO or TYPE_REFERENCE_TO. They will be
825 reconstructed during fixup. */
826 /* Do not stream TYPE_NEXT_VARIANT, we reconstruct the variant lists
828 TYPE_MAIN_VARIANT (expr
) = stream_read_tree (ib
, data_in
);
829 TYPE_CONTEXT (expr
) = stream_read_tree (ib
, data_in
);
830 /* TYPE_CANONICAL gets re-computed during type merging. */
831 TYPE_CANONICAL (expr
) = NULL_TREE
;
834 /* Read all pointer fields in the TS_TYPE_NON_COMMON structure of EXPR
835 from input block IB. DATA_IN contains tables and descriptors for the
839 lto_input_ts_type_non_common_tree_pointers (struct lto_input_block
*ib
,
840 struct data_in
*data_in
,
843 if (TREE_CODE (expr
) == ENUMERAL_TYPE
)
844 TYPE_VALUES (expr
) = stream_read_tree (ib
, data_in
);
845 else if (TREE_CODE (expr
) == ARRAY_TYPE
)
846 TYPE_DOMAIN (expr
) = stream_read_tree (ib
, data_in
);
847 else if (RECORD_OR_UNION_TYPE_P (expr
))
848 TYPE_FIELDS (expr
) = streamer_read_chain (ib
, data_in
);
849 else if (TREE_CODE (expr
) == FUNCTION_TYPE
850 || TREE_CODE (expr
) == METHOD_TYPE
)
851 TYPE_ARG_TYPES (expr
) = stream_read_tree (ib
, data_in
);
853 if (!POINTER_TYPE_P (expr
))
854 TYPE_MIN_VALUE_RAW (expr
) = stream_read_tree (ib
, data_in
);
855 TYPE_MAX_VALUE_RAW (expr
) = stream_read_tree (ib
, data_in
);
859 /* Read all pointer fields in the TS_LIST structure of EXPR from input
860 block IB. DATA_IN contains tables and descriptors for the
864 lto_input_ts_list_tree_pointers (struct lto_input_block
*ib
,
865 struct data_in
*data_in
, tree expr
)
867 TREE_PURPOSE (expr
) = stream_read_tree (ib
, data_in
);
868 TREE_VALUE (expr
) = stream_read_tree (ib
, data_in
);
869 TREE_CHAIN (expr
) = stream_read_tree (ib
, data_in
);
873 /* Read all pointer fields in the TS_VEC structure of EXPR from input
874 block IB. DATA_IN contains tables and descriptors for the
878 lto_input_ts_vec_tree_pointers (struct lto_input_block
*ib
,
879 struct data_in
*data_in
, tree expr
)
883 /* Note that TREE_VEC_LENGTH was read by streamer_alloc_tree to
885 for (i
= 0; i
< TREE_VEC_LENGTH (expr
); i
++)
886 TREE_VEC_ELT (expr
, i
) = stream_read_tree (ib
, data_in
);
890 /* Read all pointer fields in the TS_EXP structure of EXPR from input
891 block IB. DATA_IN contains tables and descriptors for the
896 lto_input_ts_exp_tree_pointers (struct lto_input_block
*ib
,
897 struct data_in
*data_in
, tree expr
)
902 for (i
= 0; i
< TREE_OPERAND_LENGTH (expr
); i
++)
903 TREE_OPERAND (expr
, i
) = stream_read_tree (ib
, data_in
);
905 block
= stream_read_tree (ib
, data_in
);
907 /* TODO: Block is stored in the locus information. It may make more sense to
908 to make it go via the location cache. */
911 data_in
->location_cache
.apply_location_cache ();
912 TREE_SET_BLOCK (expr
, block
);
917 /* Read all pointer fields in the TS_BLOCK structure of EXPR from input
918 block IB. DATA_IN contains tables and descriptors for the
922 lto_input_ts_block_tree_pointers (struct lto_input_block
*ib
,
923 struct data_in
*data_in
, tree expr
)
925 BLOCK_VARS (expr
) = streamer_read_chain (ib
, data_in
);
927 BLOCK_SUPERCONTEXT (expr
) = stream_read_tree (ib
, data_in
);
928 BLOCK_ABSTRACT_ORIGIN (expr
) = stream_read_tree (ib
, data_in
);
929 /* We may end up prevailing a decl with DECL_ORIGIN (t) != t here
930 which breaks the invariant that BLOCK_ABSTRACT_ORIGIN is the
931 ultimate origin. Fixup here.
932 ??? This should get fixed with moving to DIE references. */
933 if (DECL_P (BLOCK_ORIGIN (expr
)))
934 BLOCK_ABSTRACT_ORIGIN (expr
) = DECL_ORIGIN (BLOCK_ABSTRACT_ORIGIN (expr
));
935 /* Do not stream BLOCK_NONLOCALIZED_VARS. We cannot handle debug information
936 for early inlined BLOCKs so drop it on the floor instead of ICEing in
939 /* BLOCK_FRAGMENT_ORIGIN and BLOCK_FRAGMENT_CHAIN is not live at LTO
942 /* We re-compute BLOCK_SUBBLOCKS of our parent here instead
943 of streaming it. For non-BLOCK BLOCK_SUPERCONTEXTs we still
944 stream the child relationship explicitly. */
945 if (BLOCK_SUPERCONTEXT (expr
)
946 && TREE_CODE (BLOCK_SUPERCONTEXT (expr
)) == BLOCK
)
948 BLOCK_CHAIN (expr
) = BLOCK_SUBBLOCKS (BLOCK_SUPERCONTEXT (expr
));
949 BLOCK_SUBBLOCKS (BLOCK_SUPERCONTEXT (expr
)) = expr
;
952 /* The global block is rooted at the TU decl. Hook it here to
953 avoid the need to stream in this block during WPA time. */
954 else if (BLOCK_SUPERCONTEXT (expr
)
955 && TREE_CODE (BLOCK_SUPERCONTEXT (expr
)) == TRANSLATION_UNIT_DECL
)
956 DECL_INITIAL (BLOCK_SUPERCONTEXT (expr
)) = expr
;
958 /* The function-level block is connected at the time we read in
959 function bodies for the same reason. */
963 /* Read all pointer fields in the TS_BINFO structure of EXPR from input
964 block IB. DATA_IN contains tables and descriptors for the
968 lto_input_ts_binfo_tree_pointers (struct lto_input_block
*ib
,
969 struct data_in
*data_in
, tree expr
)
973 /* Note that the number of slots in EXPR was read in
974 streamer_alloc_tree when instantiating EXPR. However, the
975 vector is empty so we cannot rely on vec::length to know how many
976 elements to read. So, this list is emitted as a 0-terminated
977 list on the writer side. */
980 t
= stream_read_tree (ib
, data_in
);
982 BINFO_BASE_BINFOS (expr
)->quick_push (t
);
986 BINFO_OFFSET (expr
) = stream_read_tree (ib
, data_in
);
987 BINFO_VTABLE (expr
) = stream_read_tree (ib
, data_in
);
989 /* Do not walk BINFO_INHERITANCE_CHAIN, BINFO_SUBVTT_INDEX,
990 BINFO_BASE_ACCESSES and BINFO_VPTR_INDEX; these are used by C++ FE
995 /* Read all pointer fields in the TS_CONSTRUCTOR structure of EXPR from
996 input block IB. DATA_IN contains tables and descriptors for the
1000 lto_input_ts_constructor_tree_pointers (struct lto_input_block
*ib
,
1001 struct data_in
*data_in
, tree expr
)
1005 for (i
= 0; i
< CONSTRUCTOR_NELTS (expr
); i
++)
1008 e
.index
= stream_read_tree (ib
, data_in
);
1009 e
.value
= stream_read_tree (ib
, data_in
);
1010 (*CONSTRUCTOR_ELTS (expr
))[i
] = e
;
1015 /* Read all pointer fields in the TS_OMP_CLAUSE structure of EXPR from
1016 input block IB. DATA_IN contains tables and descriptors for the
1020 lto_input_ts_omp_clause_tree_pointers (struct lto_input_block
*ib
,
1021 struct data_in
*data_in
, tree expr
)
1025 for (i
= 0; i
< omp_clause_num_ops
[OMP_CLAUSE_CODE (expr
)]; i
++)
1026 OMP_CLAUSE_OPERAND (expr
, i
) = stream_read_tree (ib
, data_in
);
1027 OMP_CLAUSE_CHAIN (expr
) = stream_read_tree (ib
, data_in
);
1031 /* Read all pointer fields in EXPR from input block IB. DATA_IN
1032 contains tables and descriptors for the file being read. */
1035 streamer_read_tree_body (struct lto_input_block
*ib
, struct data_in
*data_in
,
1038 enum tree_code code
;
1040 code
= TREE_CODE (expr
);
1042 if (CODE_CONTAINS_STRUCT (code
, TS_TYPED
))
1043 lto_input_ts_common_tree_pointers (ib
, data_in
, expr
);
1045 if (CODE_CONTAINS_STRUCT (code
, TS_VECTOR
))
1046 lto_input_ts_vector_tree_pointers (ib
, data_in
, expr
);
1048 if (CODE_CONTAINS_STRUCT (code
, TS_POLY_INT_CST
))
1049 lto_input_ts_poly_tree_pointers (ib
, data_in
, expr
);
1051 if (CODE_CONTAINS_STRUCT (code
, TS_COMPLEX
))
1052 lto_input_ts_complex_tree_pointers (ib
, data_in
, expr
);
1054 if (CODE_CONTAINS_STRUCT (code
, TS_DECL_MINIMAL
))
1055 lto_input_ts_decl_minimal_tree_pointers (ib
, data_in
, expr
);
1057 if (CODE_CONTAINS_STRUCT (code
, TS_DECL_COMMON
))
1058 lto_input_ts_decl_common_tree_pointers (ib
, data_in
, expr
);
1060 if (CODE_CONTAINS_STRUCT (code
, TS_DECL_NON_COMMON
))
1061 lto_input_ts_decl_non_common_tree_pointers (ib
, data_in
, expr
);
1063 if (CODE_CONTAINS_STRUCT (code
, TS_DECL_WITH_VIS
))
1064 lto_input_ts_decl_with_vis_tree_pointers (ib
, data_in
, expr
);
1066 if (CODE_CONTAINS_STRUCT (code
, TS_FIELD_DECL
))
1067 lto_input_ts_field_decl_tree_pointers (ib
, data_in
, expr
);
1069 if (CODE_CONTAINS_STRUCT (code
, TS_FUNCTION_DECL
))
1070 lto_input_ts_function_decl_tree_pointers (ib
, data_in
, expr
);
1072 if (CODE_CONTAINS_STRUCT (code
, TS_TYPE_COMMON
))
1073 lto_input_ts_type_common_tree_pointers (ib
, data_in
, expr
);
1075 if (CODE_CONTAINS_STRUCT (code
, TS_TYPE_NON_COMMON
))
1076 lto_input_ts_type_non_common_tree_pointers (ib
, data_in
, expr
);
1078 if (CODE_CONTAINS_STRUCT (code
, TS_LIST
))
1079 lto_input_ts_list_tree_pointers (ib
, data_in
, expr
);
1081 if (CODE_CONTAINS_STRUCT (code
, TS_VEC
))
1082 lto_input_ts_vec_tree_pointers (ib
, data_in
, expr
);
1084 if (CODE_CONTAINS_STRUCT (code
, TS_EXP
))
1085 lto_input_ts_exp_tree_pointers (ib
, data_in
, expr
);
1087 if (CODE_CONTAINS_STRUCT (code
, TS_BLOCK
))
1088 lto_input_ts_block_tree_pointers (ib
, data_in
, expr
);
1090 if (CODE_CONTAINS_STRUCT (code
, TS_BINFO
))
1091 lto_input_ts_binfo_tree_pointers (ib
, data_in
, expr
);
1093 if (CODE_CONTAINS_STRUCT (code
, TS_CONSTRUCTOR
))
1094 lto_input_ts_constructor_tree_pointers (ib
, data_in
, expr
);
1096 if (code
== OMP_CLAUSE
)
1097 lto_input_ts_omp_clause_tree_pointers (ib
, data_in
, expr
);
1101 /* Read an index IX from input block IB and return the tree node at
1102 DATA_IN->FILE_DATA->GLOBALS_INDEX[IX]. */
1105 streamer_get_pickled_tree (struct lto_input_block
*ib
, struct data_in
*data_in
)
1107 unsigned HOST_WIDE_INT ix
;
1109 enum LTO_tags expected_tag
;
1111 ix
= streamer_read_uhwi (ib
);
1112 expected_tag
= streamer_read_enum (ib
, LTO_tags
, LTO_NUM_TAGS
);
1114 result
= streamer_tree_cache_get_tree (data_in
->reader_cache
, ix
);
1116 && TREE_CODE (result
) == lto_tag_to_tree_code (expected_tag
));