Line data Source code
1 : /* IPA predicates.
2 : Copyright (C) 2003-2026 Free Software Foundation, Inc.
3 : Contributed by Jan Hubicka
4 :
5 : This file is part of GCC.
6 :
7 : GCC is free software; you can redistribute it and/or modify it under
8 : the terms of the GNU General Public License as published by the Free
9 : Software Foundation; either version 3, or (at your option) any later
10 : version.
11 :
12 : GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 : WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 : FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15 : for more details.
16 :
17 : You should have received a copy of the GNU General Public License
18 : along with GCC; see the file COPYING3. If not see
19 : <http://www.gnu.org/licenses/>. */
20 :
21 : #include "config.h"
22 : #include "system.h"
23 : #include "coretypes.h"
24 : #include "backend.h"
25 : #include "tree.h"
26 : #include "cgraph.h"
27 : #include "tree-vrp.h"
28 : #include "alloc-pool.h"
29 : #include "symbol-summary.h"
30 : #include "sreal.h"
31 : #include "ipa-cp.h"
32 : #include "ipa-prop.h"
33 : #include "ipa-fnsummary.h"
34 : #include "real.h"
35 : #include "fold-const.h"
36 : #include "tree-pretty-print.h"
37 : #include "gimple.h"
38 : #include "gimplify.h"
39 : #include "data-streamer.h"
40 :
41 :
42 : /* Check whether two set of operations have same effects. */
43 : static bool
44 14720871 : expr_eval_ops_equal_p (expr_eval_ops ops1, expr_eval_ops ops2)
45 : {
46 14720871 : if (ops1)
47 : {
48 1100400 : if (!ops2 || ops1->length () != ops2->length ())
49 : return false;
50 :
51 1482318 : for (unsigned i = 0; i < ops1->length (); i++)
52 : {
53 1042777 : expr_eval_op &op1 = (*ops1)[i];
54 1042777 : expr_eval_op &op2 = (*ops2)[i];
55 :
56 1042777 : if (op1.code != op2.code
57 903927 : || op1.index != op2.index
58 903927 : || !vrp_operand_equal_p (op1.val[0], op2.val[0])
59 656475 : || !vrp_operand_equal_p (op1.val[1], op2.val[1])
60 1699252 : || !types_compatible_p (op1.type, op2.type))
61 387489 : return false;
62 : }
63 : return true;
64 : }
65 13620471 : return !ops2;
66 : }
67 :
68 : /* Add clause CLAUSE into the predicate P.
69 : When CONDITIONS is NULL do not perform checking whether NEW_CLAUSE
70 : is obviously true. This is useful only when NEW_CLAUSE is known to be
71 : sane. */
72 :
73 : void
74 50262698 : ipa_predicate::add_clause (conditions conditions, clause_t new_clause)
75 : {
76 50262698 : int i;
77 50262698 : int i2;
78 50262698 : int insert_here = -1;
79 50262698 : int c1, c2;
80 :
81 : /* True clause. */
82 50262698 : if (!new_clause)
83 : return;
84 :
85 : /* False clause makes the whole predicate false. Kill the other variants. */
86 50262698 : if (new_clause == (1 << ipa_predicate::false_condition))
87 : {
88 0 : *this = false;
89 0 : return;
90 : }
91 50262698 : if (*this == false)
92 : return;
93 :
94 : /* No one should be silly enough to add false into nontrivial clauses. */
95 50262698 : gcc_checking_assert (!(new_clause & (1 << ipa_predicate::false_condition)));
96 :
97 : /* Look where to insert the new_clause. At the same time prune out
98 : new_clauses of P that are implied by the new new_clause and thus
99 : redundant. */
100 135043683 : for (i = 0, i2 = 0; i <= max_clauses; i++)
101 : {
102 135043683 : m_clause[i2] = m_clause[i];
103 :
104 135043683 : if (!m_clause[i])
105 : break;
106 :
107 : /* If m_clause[i] implies new_clause, there is nothing to add. */
108 96909528 : if ((m_clause[i] & new_clause) == m_clause[i])
109 : {
110 : /* We had nothing to add, none of clauses should've become
111 : redundant. */
112 12128543 : gcc_checking_assert (i == i2);
113 : return;
114 : }
115 :
116 84780985 : if (m_clause[i] < new_clause && insert_here < 0)
117 84780985 : insert_here = i2;
118 :
119 : /* If new_clause implies clause[i], then clause[i] becomes redundant.
120 : Otherwise the clause[i] has to stay. */
121 84780985 : if ((m_clause[i] & new_clause) != new_clause)
122 81256046 : i2++;
123 : }
124 :
125 : /* Look for clauses that are obviously true. I.e.
126 : op0 == 5 || op0 != 5. */
127 38134155 : if (conditions)
128 302166261 : for (c1 = ipa_predicate::first_dynamic_condition;
129 313472419 : c1 < num_conditions; c1++)
130 : {
131 303485454 : condition *cc1;
132 303485454 : if (!(new_clause & (1 << c1)))
133 272414249 : continue;
134 31071205 : cc1 = &(*conditions)[c1 - ipa_predicate::first_dynamic_condition];
135 : /* We have no way to represent !changed and !is_not_constant
136 : and thus there is no point for looking for them. */
137 31071205 : if (cc1->code == changed || cc1->code == is_not_constant || cc1->code == not_sra_candidate)
138 6819934 : continue;
139 546428687 : for (c2 = c1 + 1; c2 < num_conditions; c2++)
140 523496609 : if (new_clause & (1 << c2))
141 : {
142 45419332 : condition *cc2 =
143 45419332 : &(*conditions)[c2 - ipa_predicate::first_dynamic_condition];
144 45419332 : if (cc1->operand_num == cc2->operand_num
145 40313687 : && vrp_operand_equal_p (cc1->val, cc2->val)
146 2860934 : && cc2->code != is_not_constant
147 2860934 : && cc2->code != not_sra_candidate
148 2860934 : && cc2->code != changed
149 2860934 : && expr_eval_ops_equal_p (cc1->param_ops, cc2->param_ops)
150 2116536 : && cc2->agg_contents == cc1->agg_contents
151 1954780 : && cc2->by_ref == cc1->by_ref
152 1953000 : && types_compatible_p (cc2->type, cc1->type)
153 47302992 : && cc1->code == invert_tree_comparison (cc2->code,
154 1883660 : HONOR_NANS (cc1->val)))
155 : return;
156 : }
157 : }
158 :
159 :
160 : /* We run out of variants. Be conservative in positive direction. */
161 36814962 : if (i2 == max_clauses)
162 : return;
163 : /* Keep clauses in decreasing order. This makes equivalence testing easy. */
164 36547963 : m_clause[i2 + 1] = 0;
165 36547963 : if (insert_here >= 0)
166 44532175 : for (; i2 > insert_here; i2--)
167 26120654 : m_clause[i2] = m_clause[i2 - 1];
168 : else
169 : insert_here = i2;
170 36547963 : m_clause[insert_here] = new_clause;
171 : }
172 :
173 :
174 : /* Do THIS &= P. */
175 :
176 : ipa_predicate &
177 442073879 : ipa_predicate::operator &= (const ipa_predicate &p)
178 : {
179 : /* Avoid busy work. */
180 442073879 : if (p == false || *this == true)
181 : {
182 343688672 : *this = p;
183 343688672 : return *this;
184 : }
185 98385207 : if (*this == false || p == true || this == &p)
186 : return *this;
187 :
188 : int i;
189 :
190 : /* See how far ipa_predicates match. */
191 70167728 : for (i = 0; m_clause[i] && m_clause[i] == p.m_clause[i]; i++)
192 : {
193 27111302 : gcc_checking_assert (i < max_clauses);
194 : }
195 :
196 : /* Combine the ipa_predicates rest. */
197 76527212 : for (; p.m_clause[i]; i++)
198 : {
199 33470786 : gcc_checking_assert (i < max_clauses);
200 33470786 : add_clause (NULL, p.m_clause[i]);
201 : }
202 : return *this;
203 : }
204 :
205 :
206 :
207 : /* Return THIS | P2. */
208 :
209 : ipa_predicate
210 121961439 : ipa_predicate::or_with (conditions conditions,
211 : const ipa_predicate &p) const
212 : {
213 : /* Avoid busy work. */
214 121961439 : if (p == false || *this == true || *this == p)
215 15606797 : return *this;
216 106354642 : if (*this == false || p == true)
217 101493640 : return p;
218 :
219 : /* OK, combine the predicates. */
220 4861002 : ipa_predicate out = true;
221 :
222 12414844 : for (int i = 0; m_clause[i]; i++)
223 24096333 : for (int j = 0; p.m_clause[j]; j++)
224 : {
225 16542491 : gcc_checking_assert (i < max_clauses && j < max_clauses);
226 16542491 : out.add_clause (conditions, m_clause[i] | p.m_clause[j]);
227 : }
228 4861002 : return out;
229 : }
230 :
231 :
232 : /* Having partial truth assignment in POSSIBLE_TRUTHS, return false
233 : if predicate P is known to be false. */
234 :
235 : bool
236 259073379 : ipa_predicate::evaluate (clause_t possible_truths) const
237 : {
238 259073379 : int i;
239 :
240 : /* True remains true. */
241 259073379 : if (*this == true)
242 : return true;
243 :
244 201640495 : gcc_assert (!(possible_truths & (1 << ipa_predicate::false_condition)));
245 :
246 : /* See if we can find clause we can disprove. */
247 467637012 : for (i = 0; m_clause[i]; i++)
248 : {
249 326319902 : gcc_checking_assert (i < max_clauses);
250 326319902 : if (!(m_clause[i] & possible_truths))
251 : return false;
252 : }
253 : return true;
254 : }
255 :
256 : /* Return the probability in range 0...REG_BR_PROB_BASE that the predicated
257 : instruction will be recomputed per invocation of the inlined call. */
258 :
259 : int
260 31162629 : ipa_predicate::probability (conditions conds,
261 : clause_t possible_truths,
262 : vec<inline_param_summary> inline_param_summary) const
263 : {
264 31162629 : int i;
265 31162629 : int combined_prob = REG_BR_PROB_BASE;
266 :
267 : /* True remains true. */
268 31162629 : if (*this == true)
269 : return REG_BR_PROB_BASE;
270 :
271 21127232 : if (*this == false)
272 : return 0;
273 :
274 21127232 : gcc_assert (!(possible_truths & (1 << ipa_predicate::false_condition)));
275 :
276 : /* See if we can find clause we can disprove. */
277 53454883 : for (i = 0; m_clause[i]; i++)
278 : {
279 36339802 : gcc_checking_assert (i < max_clauses);
280 36339802 : if (!(m_clause[i] & possible_truths))
281 : return 0;
282 : else
283 : {
284 36339802 : int this_prob = 0;
285 36339802 : int i2;
286 36339802 : if (!inline_param_summary.exists ())
287 : return REG_BR_PROB_BASE;
288 1199205216 : for (i2 = 0; i2 < num_conditions; i2++)
289 1162865664 : if ((m_clause[i] & possible_truths) & (1 << i2))
290 : {
291 45201863 : if (i2 >= ipa_predicate::first_dynamic_condition)
292 : {
293 45201863 : condition *c =
294 45201863 : &(*conds)[i2 - ipa_predicate::first_dynamic_condition];
295 45201863 : if (c->code == ipa_predicate::changed
296 45201863 : && (c->operand_num <
297 18018993 : (int) inline_param_summary.length ()))
298 : {
299 18018946 : int iprob =
300 18018946 : inline_param_summary[c->operand_num].change_prob;
301 1162865664 : this_prob = MAX (this_prob, iprob);
302 : }
303 : else
304 : this_prob = REG_BR_PROB_BASE;
305 : }
306 : else
307 : this_prob = REG_BR_PROB_BASE;
308 : }
309 36339552 : combined_prob = MIN (this_prob, combined_prob);
310 36339552 : if (!combined_prob)
311 : return 0;
312 : }
313 : }
314 : return combined_prob;
315 : }
316 :
317 :
318 : /* Dump conditional COND. */
319 :
320 : void
321 14559 : dump_condition (FILE *f, conditions conditions, int cond)
322 : {
323 14559 : condition *c;
324 14559 : if (cond == ipa_predicate::false_condition)
325 2551 : fprintf (f, "false");
326 12008 : else if (cond == ipa_predicate::not_inlined_condition)
327 3597 : fprintf (f, "not inlined");
328 : else
329 : {
330 8411 : c = &(*conditions)[cond - ipa_predicate::first_dynamic_condition];
331 8411 : fprintf (f, "op%i", c->operand_num);
332 8411 : if (c->agg_contents)
333 1622 : fprintf (f, "[%soffset: " HOST_WIDE_INT_PRINT_DEC "]",
334 1622 : c->by_ref ? "ref " : "", c->offset);
335 :
336 9503 : for (unsigned i = 0; i < vec_safe_length (c->param_ops); i++)
337 : {
338 1092 : expr_eval_op &op = (*(c->param_ops))[i];
339 1092 : const char *op_name = op_symbol_code (op.code);
340 :
341 1092 : if (op_name == op_symbol_code (ERROR_MARK))
342 302 : op_name = get_tree_code_name (op.code);
343 :
344 1092 : fprintf (f, ",(");
345 :
346 1092 : if (!op.val[0])
347 : {
348 302 : switch (op.code)
349 : {
350 302 : case FLOAT_EXPR:
351 302 : case FIX_TRUNC_EXPR:
352 302 : case FIXED_CONVERT_EXPR:
353 302 : case VIEW_CONVERT_EXPR:
354 302 : CASE_CONVERT:
355 302 : if (op.code == VIEW_CONVERT_EXPR)
356 0 : fprintf (f, "VCE");
357 302 : fprintf (f, "(");
358 302 : print_generic_expr (f, op.type);
359 302 : fprintf (f, ")" );
360 302 : break;
361 :
362 0 : default:
363 0 : fprintf (f, "%s", op_name);
364 : }
365 302 : fprintf (f, " #");
366 : }
367 790 : else if (!op.val[1])
368 : {
369 790 : if (op.index)
370 : {
371 61 : print_generic_expr (f, op.val[0]);
372 61 : fprintf (f, " %s #", op_name);
373 : }
374 : else
375 : {
376 729 : fprintf (f, "# %s ", op_name);
377 729 : print_generic_expr (f, op.val[0]);
378 : }
379 : }
380 : else
381 : {
382 0 : fprintf (f, "%s ", op_name);
383 0 : switch (op.index)
384 : {
385 0 : case 0:
386 0 : fprintf (f, "#, ");
387 0 : print_generic_expr (f, op.val[0]);
388 0 : fprintf (f, ", ");
389 0 : print_generic_expr (f, op.val[1]);
390 0 : break;
391 :
392 0 : case 1:
393 0 : print_generic_expr (f, op.val[0]);
394 0 : fprintf (f, ", #, ");
395 0 : print_generic_expr (f, op.val[1]);
396 0 : break;
397 :
398 0 : case 2:
399 0 : print_generic_expr (f, op.val[0]);
400 0 : fprintf (f, ", ");
401 0 : print_generic_expr (f, op.val[1]);
402 0 : fprintf (f, ", #");
403 0 : break;
404 :
405 0 : default:
406 0 : fprintf (f, "*, *, *");
407 : }
408 : }
409 1092 : fprintf (f, ")");
410 : }
411 :
412 8411 : if (c->code == ipa_predicate::is_not_constant)
413 : {
414 18 : fprintf (f, " not constant");
415 18 : return;
416 : }
417 8393 : if (c->code == ipa_predicate::changed)
418 : {
419 1879 : fprintf (f, " changed");
420 1879 : return;
421 : }
422 6514 : if (c->code == ipa_predicate::not_sra_candidate)
423 : {
424 1740 : fprintf (f, " not sra candidate");
425 1740 : return;
426 : }
427 4774 : fprintf (f, " %s ", op_symbol_code (c->code));
428 4774 : print_generic_expr (f, c->val);
429 : }
430 : }
431 :
432 :
433 : /* Dump clause CLAUSE. */
434 :
435 : static void
436 15785 : dump_clause (FILE *f, conditions conds, clause_t clause)
437 : {
438 15785 : int i;
439 15785 : bool found = false;
440 15785 : fprintf (f, "(");
441 15785 : if (!clause)
442 3425 : fprintf (f, "true");
443 520905 : for (i = 0; i < ipa_predicate::num_conditions; i++)
444 505120 : if (clause & (1 << i))
445 : {
446 12790 : if (found)
447 430 : fprintf (f, " || ");
448 12790 : found = true;
449 12790 : dump_condition (f, conds, i);
450 : }
451 15785 : fprintf (f, ")");
452 15785 : }
453 :
454 :
455 : /* Dump THIS to F. CONDS a vector of conditions used when evaluating
456 : ipa_predicates. When NL is true new line is output at the end of dump. */
457 :
458 : void
459 12527 : ipa_predicate::dump (FILE *f, conditions conds, bool nl) const
460 : {
461 12527 : int i;
462 12527 : if (*this == true)
463 3425 : dump_clause (f, conds, 0);
464 : else
465 21462 : for (i = 0; m_clause[i]; i++)
466 : {
467 12360 : if (i)
468 3258 : fprintf (f, " && ");
469 12360 : dump_clause (f, conds, m_clause[i]);
470 : }
471 12527 : if (nl)
472 4919 : fprintf (f, "\n");
473 12527 : }
474 :
475 :
476 : void
477 0 : ipa_predicate::debug (conditions conds) const
478 : {
479 0 : dump (stderr, conds);
480 0 : }
481 :
482 :
483 : /* Remap predicate THIS of former function to be predicate of duplicated function.
484 : POSSIBLE_TRUTHS is clause of possible truths in the duplicated node,
485 : INFO is inline summary of the duplicated node. */
486 :
487 : ipa_predicate
488 203640 : ipa_predicate::remap_after_duplication (clause_t possible_truths)
489 : {
490 203640 : int j;
491 203640 : ipa_predicate out = true;
492 453061 : for (j = 0; m_clause[j]; j++)
493 275373 : if (!(possible_truths & m_clause[j]))
494 25952 : return false;
495 : else
496 249421 : out.add_clause (NULL, possible_truths & m_clause[j]);
497 177688 : return out;
498 : }
499 :
500 :
501 : /* Translate all conditions from callee representation into caller
502 : representation and symbolically evaluate predicate THIS into new predicate.
503 :
504 : INFO is ipa_fn_summary of function we are adding predicate into, CALLEE_INFO
505 : is summary of function predicate P is from. OPERAND_MAP is array giving
506 : callee formal IDs the caller formal IDs. POSSSIBLE_TRUTHS is clause of all
507 : callee conditions that may be true in caller context. TOPLEV_PREDICATE is
508 : predicate under which callee is executed. OFFSET_MAP is an array of
509 : offsets that need to be added to conditions, negative offset means that
510 : conditions relying on values passed by reference have to be discarded
511 : because they might not be preserved (and should be considered offset zero
512 : for other purposes). */
513 :
514 : ipa_predicate
515 36378952 : ipa_predicate::remap_after_inlining (class ipa_fn_summary *info,
516 : class ipa_node_params *params_summary,
517 : class ipa_fn_summary *callee_info,
518 : const vec<int> &operand_map,
519 : const vec<HOST_WIDE_INT> &offset_map,
520 : clause_t possible_truths,
521 : const ipa_predicate &toplev_predicate)
522 : {
523 36378952 : int i;
524 36378952 : ipa_predicate out = true;
525 :
526 : /* True ipa_predicate is easy. */
527 36378952 : if (*this == true)
528 9246127 : return toplev_predicate;
529 70952753 : for (i = 0; m_clause[i]; i++)
530 : {
531 43819928 : clause_t clause = m_clause[i];
532 43819928 : int cond;
533 43819928 : ipa_predicate clause_predicate = false;
534 :
535 43819928 : gcc_assert (i < max_clauses);
536 :
537 1446057624 : for (cond = 0; cond < num_conditions; cond++)
538 : /* Do we have condition we can't disprove? */
539 1402237696 : if (clause & possible_truths & (1 << cond))
540 : {
541 26301888 : ipa_predicate cond_predicate;
542 : /* Work out if the condition can translate to predicate in the
543 : inlined function. */
544 26301888 : if (cond >= ipa_predicate::first_dynamic_condition)
545 : {
546 26301888 : struct condition *c;
547 :
548 26301888 : int index = cond - ipa_predicate::first_dynamic_condition;
549 26301888 : c = &(*callee_info->conds)[index];
550 : /* See if we can remap condition operand to caller's operand.
551 : Otherwise give up. */
552 26301888 : if (!operand_map.exists ()
553 26301888 : || (int) operand_map.length () <= c->operand_num
554 12941549 : || operand_map[c->operand_num] == -1
555 : /* TODO: For non-aggregate conditions, adding an offset is
556 : basically an arithmetic jump function processing which
557 : we should support in future. */
558 4654865 : || ((!c->agg_contents || !c->by_ref)
559 1964761 : && offset_map[c->operand_num] > 0)
560 30844592 : || (c->agg_contents && c->by_ref
561 2690104 : && offset_map[c->operand_num] < 0))
562 23070930 : cond_predicate = true;
563 : else
564 : {
565 3230958 : struct agg_position_info ap;
566 3230958 : HOST_WIDE_INT offset_delta = offset_map[c->operand_num];
567 3230958 : if (offset_delta < 0)
568 : {
569 1258313 : gcc_checking_assert (!c->agg_contents || !c->by_ref);
570 : offset_delta = 0;
571 : }
572 3230958 : gcc_assert (!c->agg_contents
573 : || c->by_ref || offset_delta == 0);
574 3230958 : ap.offset = c->offset + offset_delta;
575 3230958 : ap.agg_contents = c->agg_contents;
576 3230958 : ap.by_ref = c->by_ref;
577 6461916 : cond_predicate = add_condition (info, params_summary,
578 3230958 : operand_map[c->operand_num],
579 3230958 : c->type, &ap, c->code,
580 : c->val, c->param_ops);
581 : }
582 : }
583 : /* Fixed conditions remains same, construct single
584 : condition predicate. */
585 : else
586 0 : cond_predicate = ipa_predicate::predicate_testing_cond (cond);
587 26301888 : clause_predicate = clause_predicate.or_with (info->conds,
588 : cond_predicate);
589 : }
590 43819928 : out &= clause_predicate;
591 : }
592 27132825 : out &= toplev_predicate;
593 27132825 : return out;
594 : }
595 :
596 :
597 : /* Read predicate from IB. */
598 :
599 : void
600 830378 : ipa_predicate::stream_in (class lto_input_block *ib)
601 : {
602 830378 : clause_t clause;
603 830378 : int k = 0;
604 :
605 1192543 : do
606 : {
607 1192543 : gcc_assert (k <= max_clauses);
608 1192543 : clause = m_clause[k++] = streamer_read_uhwi (ib);
609 : }
610 1192543 : while (clause);
611 :
612 : /* Zero-initialize the remaining clauses in OUT. */
613 7111237 : while (k <= max_clauses)
614 6280859 : m_clause[k++] = 0;
615 830378 : }
616 :
617 :
618 : /* Write predicate P to OB. */
619 :
620 : void
621 592588 : ipa_predicate::stream_out (struct output_block *ob)
622 : {
623 592588 : int j;
624 1036618 : for (j = 0; m_clause[j]; j++)
625 : {
626 444030 : gcc_assert (j < max_clauses);
627 444030 : streamer_write_uhwi (ob, m_clause[j]);
628 : }
629 592588 : streamer_write_uhwi (ob, 0);
630 592588 : }
631 :
632 :
633 : /* Add condition to condition list SUMMARY. OPERAND_NUM, TYPE, CODE, VAL and
634 : PARAM_OPS correspond to fields of condition structure. AGGPOS describes
635 : whether the used operand is loaded from an aggregate and where in the
636 : aggregate it is. It can be NULL, which means this not a load from an
637 : aggregate. */
638 :
639 : ipa_predicate
640 21557636 : add_condition (class ipa_fn_summary *summary,
641 : class ipa_node_params *params_summary,
642 : int operand_num,
643 : tree type, struct agg_position_info *aggpos,
644 : enum tree_code code, tree val, expr_eval_ops param_ops)
645 : {
646 21557636 : int i, j;
647 21557636 : struct condition *c;
648 21557636 : struct condition new_cond;
649 21557636 : HOST_WIDE_INT offset;
650 21557636 : bool agg_contents, by_ref;
651 21557636 : expr_eval_op *op;
652 :
653 21557636 : if (params_summary)
654 8282560 : ipa_set_param_used_by_ipa_predicates (params_summary, operand_num, true);
655 :
656 21557636 : if (aggpos)
657 : {
658 8978890 : offset = aggpos->offset;
659 8978890 : agg_contents = aggpos->agg_contents;
660 8978890 : by_ref = aggpos->by_ref;
661 : }
662 : else
663 : {
664 : offset = 0;
665 : agg_contents = false;
666 : by_ref = false;
667 : }
668 :
669 21557636 : gcc_checking_assert (operand_num >= 0);
670 101985779 : for (i = 0; vec_safe_iterate (summary->conds, i, &c); i++)
671 : {
672 90304765 : if (c->operand_num == operand_num
673 47320464 : && c->code == code
674 17680361 : && types_compatible_p (c->type, type)
675 15888775 : && vrp_operand_equal_p (c->val, val)
676 12283897 : && c->agg_contents == agg_contents
677 11859937 : && expr_eval_ops_equal_p (c->param_ops, param_ops)
678 102025606 : && (!agg_contents || (c->offset == offset && c->by_ref == by_ref)))
679 9876622 : return ipa_predicate::predicate_testing_cond (i);
680 : }
681 : /* Too many conditions. Give up and return constant true. */
682 11681014 : if (i == ipa_predicate::num_conditions - ipa_predicate::first_dynamic_condition)
683 266781 : return true;
684 :
685 11414233 : new_cond.operand_num = operand_num;
686 11414233 : new_cond.code = code;
687 11414233 : new_cond.type = unshare_expr_without_location (type);
688 11414233 : new_cond.val = val ? unshare_expr_without_location (val) : val;
689 11414233 : new_cond.agg_contents = agg_contents;
690 11414233 : new_cond.by_ref = by_ref;
691 11414233 : new_cond.offset = offset;
692 11414233 : new_cond.param_ops = vec_safe_copy (param_ops);
693 :
694 11944883 : for (j = 0; vec_safe_iterate (new_cond.param_ops, j, &op); j++)
695 : {
696 530650 : if (op->val[0])
697 275245 : op->val[0] = unshare_expr_without_location (op->val[0]);
698 530650 : if (op->val[1])
699 24 : op->val[1] = unshare_expr_without_location (op->val[1]);
700 : }
701 :
702 11414233 : vec_safe_push (summary->conds, new_cond);
703 :
704 11414233 : return ipa_predicate::predicate_testing_cond (i);
705 : }
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