-
Notifications
You must be signed in to change notification settings - Fork 10.4k
/
Copy pathaccess_marker_verify.swift
1100 lines (1005 loc) · 47.6 KB
/
access_marker_verify.swift
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
// RUN: %target-swift-frontend -module-name access_marker_verify -enable-verify-exclusivity -enforce-exclusivity=checked -Xllvm -sil-print-types -emit-silgen -swift-version 4 -parse-as-library %s | %FileCheck %s
// RUN: %target-swift-frontend -module-name access_marker_verify -enable-verify-exclusivity -enforce-exclusivity=checked -Onone -Xllvm -sil-print-types -emit-sil -swift-version 4 -parse-as-library %s -o /dev/null
// RUN: %target-swift-frontend -module-name access_marker_verify -enable-verify-exclusivity -enforce-exclusivity=checked -O -Xllvm -sil-print-types -emit-sil -swift-version 4 -parse-as-library %s -o /dev/null
// REQUIRES: asserts
// Test the combination of SILGen + DiagnoseStaticExclusivity with verification.
//
// This is a collection of tests that cover SILGen cases that require special
// handling for exclusivity verification. SILGen must generate access markers,
// possibly unenforced, to satisfy the verification run during the
// DiagnoseStaticExclusivity pass.
//
// These cases are mostly covered by existing SILGen tests, but need to be
// repeated here to ensure they are run with exclusivity verification enabled.
import SwiftShims
protocol P {}
struct StructP : P {}
protocol PBar {
func bar()
}
class BaseClass {
init() {}
}
class SubClass : BaseClass {
override required init() {}
}
enum E {
case V(Int)
}
func takesClosure(_ f: () -> ()) {
f()
}
// --- struct initialization.
struct StructOfInt {
var i: Int
init() {
i = 1
}
mutating func changeMe() {
i = 3
}
}
// The verifier ignores the load of the self box.
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify11StructOfIntVACycfC : $@convention(method) (@thin StructOfInt.Type) -> StructOfInt {
// CHECK: bb0(%0 : $@thin StructOfInt.Type):
// CHECK: [[BOX:%.*]] = alloc_box ${ var StructOfInt }, var, name "self"
// CHECK: [[UNINIT:%.*]] = mark_uninitialized [rootself] [[BOX]] : ${ var StructOfInt }
// CHECK: [[LIFETIME:%.*]] = begin_borrow [var_decl] [[UNINIT]]
// CHECK: [[PROJ:%.*]] = project_box [[LIFETIME]] : ${ var StructOfInt }, 0
// CHECK: [[ACCESS:%.*]] = begin_access [modify] [unknown] [[PROJ]] : $*StructOfInt
// CHECK: [[ADR:%.*]] = struct_element_addr [[ACCESS]] : $*StructOfInt, #StructOfInt.i
// CHECK: assign %{{.*}} to [[ADR]] : $*Int
// CHECK: end_access [[ACCESS]] : $*StructOfInt
// CHECK-NOT: begin_access
// CHECK: [[VAL:%.*]] = load [trivial] [[PROJ]] : $*StructOfInt
// CHECK: destroy_value [[UNINIT]] : ${ var StructOfInt }
// CHECK: return [[VAL]] : $StructOfInt
// CHECK-LABEL: } // end sil function '$s20access_marker_verify11StructOfIntVACycfC'
// --- class initialization.
class SuperHasInt {
var i: Int
init() {
i = 3
}
}
class SubHasInt : SuperHasInt {
var j: Int
override init() {
j = 4
super.init()
}
init(x: Int) {
j = x
super.init()
}
}
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify11SuperHasIntCACycfc : $@convention(method) (@owned SuperHasInt) -> @owned SuperHasInt {
// CHECK: bb0(%0 : @owned $SuperHasInt):
// CHECK: [[UNINIT:%.*]] = mark_uninitialized [rootself] %0 : $SuperHasInt
// CHECK: [[BORROW:%.*]] = begin_borrow [[UNINIT]] : $SuperHasInt
// CHECK: [[ADR:%.*]] = ref_element_addr [[BORROW]] : $SuperHasInt, #SuperHasInt.i
// CHECK: [[ACCESS:%.*]] = begin_access [modify] [dynamic] [[ADR]] : $*Int
// CHECK: assign %{{.*}} to [[ACCESS]] : $*Int
// CHECK: end_access [[ACCESS]] : $*Int
// CHECK: end_borrow [[BORROW]] : $SuperHasInt
// CHECK-NOT: begin_access
// CHECK: [[VAL:%.*]] = copy_value [[UNINIT]] : $SuperHasInt
// CHECK: destroy_value [[UNINIT]] : $SuperHasInt
// CHECK: return [[VAL]] : $SuperHasInt
// CHECK-LABEL: } // end sil function '$s20access_marker_verify11SuperHasIntCACycfc'
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify9SubHasIntCACycfc : $@convention(method) (@owned SubHasInt) -> @owned SubHasInt {
// CHECK: bb0(%0 : @owned $SubHasInt):
// CHECK: [[BOX:%.*]] = alloc_box ${ var SubHasInt }, let, name "self"
// CHECK: [[UNINIT:%.*]] = mark_uninitialized [derivedself] [[BOX]] : ${ var SubHasInt }
// CHECK: [[UNINIT_LIFETIME:%[^,]+]] = begin_borrow [lexical] [var_decl] [[UNINIT]]
// CHECK: [[PROJ:%.*]] = project_box [[UNINIT_LIFETIME]] : ${ var SubHasInt }, 0
// CHECK-NOT: begin_access
// CHECK: store %0 to [init] [[PROJ]] : $*SubHasInt
// CHECK-NOT: begin_access
// CHECK: [[BORROW:%.*]] = load_borrow [[PROJ]] : $*SubHasInt
// CHECK: [[ADR:%.*]] = ref_element_addr [[BORROW]] : $SubHasInt, #SubHasInt.j
// CHECK: [[ACCESS:%.*]] = begin_access [modify] [dynamic] [[ADR]] : $*Int
// CHECK: assign %{{.*}} to [[ACCESS]] : $*Int
// CHECK: end_access [[ACCESS]] : $*Int
// CHECK: end_borrow [[BORROW]] : $SubHasInt
// CHECK-NOT: begin_access
// CHECK: load [take] [[PROJ]] : $*SubHasInt
// CHECK: upcast %{{.*}} : $SubHasInt to $SuperHasInt
// CHECK: function_ref @$s20access_marker_verify11SuperHasIntCACycfc : $@convention(method) (@owned SuperHasInt) -> @owned SuperHasInt
// CHECK: apply
// CHECK: unchecked_ref_cast %{{.*}} : $SuperHasInt to $SubHasInt
// CHECK-NOT: begin_access
// CHECK: store %{{.*}} to [init] [[PROJ]] : $*SubHasInt
// CHECK: [[VAL:%.*]] = load [copy] [[PROJ]] : $*SubHasInt
// CHECK: end_borrow [[UNINIT_LIFETIME]]
// CHECK: destroy_value [[UNINIT]] : ${ var SubHasInt }
// CHECK: return [[VAL]] : $SubHasInt
// CHECK-LABEL: } // end sil function '$s20access_marker_verify9SubHasIntCACycfc'
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify9SubHasIntC1xACSi_tcfc : $@convention(method) (Int, @owned SubHasInt) -> @owned SubHasInt {
// CHECK: bb0(%0 : $Int, %1 : @owned $SubHasInt):
// CHECK: [[BOX:%.*]] = alloc_box ${ var SubHasInt }, let, name "self"
// CHECK: [[UNINIT:%.*]] = mark_uninitialized [derivedself] [[BOX]] : ${ var SubHasInt }
// CHECK: [[UNINIT_LIFETIME:%[^,]+]] = begin_borrow [lexical] [var_decl] [[UNINIT]]
// CHECK: [[PROJ:%.*]] = project_box [[UNINIT_LIFETIME]] : ${ var SubHasInt }, 0
// CHECK-NOT: begin_access
// CHECK: store %{{.*}} to [init] [[PROJ]] : $*SubHasInt
// CHECK-NOT: begin_access
// CHECK: [[BORROW:%.*]] = load_borrow [[PROJ]] : $*SubHasInt
// CHECK: [[ADR:%.*]] = ref_element_addr [[BORROW]] : $SubHasInt, #SubHasInt.j
// CHECK: [[ACCESS:%.*]] = begin_access [modify] [dynamic] [[ADR]] : $*Int
// CHECK: assign %0 to [[ACCESS]] : $*Int
// CHECK: end_access [[ACCESS]] : $*Int
// CHECK: end_borrow [[BORROW]] : $SubHasInt
// CHECK-NOT: begin_access
// CHECK: load [take] [[PROJ]] : $*SubHasInt
// CHECK: upcast %{{.*}} : $SubHasInt to $SuperHasInt
// CHECK: function_ref @$s20access_marker_verify11SuperHasIntCACycfc : $@convention(method) (@owned SuperHasInt) -> @owned SuperHasInt
// CHECK: apply
// CHECK: unchecked_ref_cast %{{.*}} : $SuperHasInt to $SubHasInt
// CHECK-NOT: begin_access
// CHECK: store %{{.*}} to [init] [[PROJ]] : $*SubHasInt
// CHECK: [[VAL:%.*]] = load [copy] [[PROJ]] : $*SubHasInt
// CHECK: end_borrow [[UNINIT_LIFETIME]]
// CHECK: destroy_value [[UNINIT]] : ${ var SubHasInt }
// CHECK: return [[VAL]] : $SubHasInt
// CHECK-LABEL: } // end sil function '$s20access_marker_verify9SubHasIntC1xACSi_tcfc'
// --- access `let` property.
class LetClass {
let x = 3
}
// FIXME: should be a [unknown] access.
//
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify10testGetLet1cSiAA0F5ClassC_tF : $@convention(thin) (@guaranteed LetClass) -> Int {
// CHECK: bb0(%0 : @guaranteed $LetClass):
// CHECK: ref_element_addr
// CHECK: load [trivial]
// CHECK: return
// CHECK-LABEL: } // end sil function '$s20access_marker_verify10testGetLet1cSiAA0F5ClassC_tF'
func testGetLet(c: LetClass) -> Int {
return c.x
}
// --- initialize let property and superclass.
struct IntWrapper {
var x: Int
}
final class SubWrapper : BaseClass {
let val: IntWrapper
init(_ val: IntWrapper) {
self.val = val
super.init()
}
}
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify10SubWrapperCyAcA03IntE0Vcfc : $@convention(method) (IntWrapper, @owned SubWrapper) -> @owned SubWrapper {
// CHECK: bb0(%0 : $IntWrapper, %1 : @owned $SubWrapper):
// CHECK: alloc_box ${ var SubWrapper }, let, name "self"
// CHECK: mark_uninitialized [derivedself]
// CHECK: project_box
// CHECK-NOT: begin_access
// CHECK: store %1 to [init]
// CHECK-NOT: begin_access
// CHECK: load_borrow
// CHECK: ref_element_addr
// CHECK: assign %0 to
// CHECK: end_borrow
// CHECK-NOT: begin_access
// CHECK: load [take]
// CHECK-NOT: begin_access
// CHECK: store %{{.*}} to [init]
// CHECK: [[VAL:%.*]] = load [copy]
// CHECK: destroy_value %{{.*}} : ${ var SubWrapper }
// CHECK: return [[VAL]] : $SubWrapper
// CHECK-LABEL: } // end sil function '$s20access_marker_verify10SubWrapperCyAcA03IntE0Vcfc'
// --- captured local.
func testCaptureLocal() -> ()->() {
var x = 1
let f = { x = 3 }
_ = x
return f
}
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify16testCaptureLocalyycyF : $@convention(thin) () -> @owned @callee_guaranteed () -> () {
// CHECK: bb0:
// CHECK: [[BOX:%.*]] = alloc_box ${ var Int }, var, name "x"
// CHECK: [[LIFETIME:%.*]] = begin_borrow [var_decl] [[BOX]]
// CHECK: [[PROJ:%.*]] = project_box [[LIFETIME]]
// CHECK: [[ACCESS:%.*]] = begin_access [modify] [unsafe] [[PROJ]] : $*Int
// CHECK: store %{{.*}} to [trivial] [[ACCESS]]
// CHECK: end_access
// CHECK: [[CAPTURE:%.*]] = copy_value [[LIFETIME]] : ${ var Int }
// CHECK: partial_apply [callee_guaranteed] %{{.*}}([[CAPTURE]]) : $@convention(thin) (@guaranteed { var Int }) -> ()
// CHECK: begin_access [read] [unknown] [[PROJ]]
// CHECK: [[VAL:%.*]] = load [trivial]
// CHECK: end_access
// CHECK-NOT: begin_access
// CHECK: return {{.*}} : $@callee_guaranteed () -> ()
// CHECK-LABEL: } // end sil function '$s20access_marker_verify16testCaptureLocalyycyF'
// --- mutating struct.
func testModifyS(_ arg: StructOfInt) -> StructOfInt {
var lhs: StructOfInt
lhs = arg
lhs.changeMe()
return lhs
}
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify11testModifySyAA11StructOfIntVADF : $@convention(thin) (StructOfInt) -> StructOfInt {
// CHECK: bb0(%0 : $StructOfInt):
// CHECK: alloc_box ${ var StructOfInt }, var, name "lhs"
// CHECK: mark_uninitialized [var]
// CHECK: project_box
// CHECK: begin_access [modify] [unknown]
// CHECK: assign
// CHECK: end_access
// CHECK: begin_access [modify] [unknown]
// CHECK: function_ref @$s20access_marker_verify11StructOfIntV8changeMeyyF : $@convention(method) (@inout StructOfInt) -> ()
// CHECK: apply
// CHECK: end_access
// CHECK: begin_access [read] [unknown]
// CHECK: load [trivial]
// CHECK: end_access
// CHECK-LABEL: } // end sil function '$s20access_marker_verify11testModifySyAA11StructOfIntVADF'
// --- initialize LValue.
protocol HasIntGetter {
var x: Int { get }
}
func testInitLValue(p: HasIntGetter) -> Int {
var x = p.x
return x
}
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify14testInitLValue1pSiAA12HasIntGetter_p_tF : $@convention(thin) (@in_guaranteed any HasIntGetter) -> Int {
// CHECK: bb0(%0 : $*any HasIntGetter):
// CHECK: alloc_box ${ var Int }, var, name "x"
// CHECK: [[PROJ:%.*]] = project_box
// CHECK: [[OPENED:%.*]] = open_existential_addr immutable_access %0
// CHECK: witness_method $@opened
// CHECK: [[VALUE:%.*]] = apply %{{.*}}<@opened("{{.*}}", any HasIntGetter) Self>([[OPENED]])
// CHECK: [[ACCESS:%.*]] = begin_access [modify] [unsafe] [[PROJ]] : $*Int
// CHECK: store [[VALUE]] to [trivial] [[ACCESS]] : $*Int
// CHECK: end_access [[ACCESS]]
// CHECK: [[ACCESS:%.*]] = begin_access [read] [unknown] [[PROJ]]
// CHECK: [[RELOAD:%.*]] = load [trivial] [[ACCESS]]
// CHECK: end_access [[ACCESS]]
// CHECK: return [[RELOAD]]
// CHECK-LABEL: } // end sil function '$s20access_marker_verify14testInitLValue1pSiAA12HasIntGetter_p_tF'
// --- initialize let.
func testCopyS(_ arg: StructOfInt) -> StructOfInt {
let lhs: StructOfInt
lhs = arg
return lhs
}
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify9testCopySyAA11StructOfIntVADF : $@convention(thin) (StructOfInt) -> StructOfInt {
// CHECK: bb0(%0 : $StructOfInt):
// CHECK: alloc_stack [var_decl] $StructOfInt, let, name "lhs"
// CHECK: [[UNINIT:%.*]] = mark_uninitialized [var]
// CHECK-NOT: begin_access
// CHECK: assign %0 to [[UNINIT]] : $*StructOfInt
// CHECK-NOT: begin_access
// CHECK: %5 = load [trivial] [[UNINIT]] : $*StructOfInt
// CHECK-LABEL: } // end sil function '$s20access_marker_verify9testCopySyAA11StructOfIntVADF'
// --- local var init (single buffer).
func testLocalVarInit(_ arg: StructOfInt) -> Int {
var lhs = arg
return lhs.i
}
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify16testLocalVarInitySiAA11StructOfIntVF : $@convention(thin) (StructOfInt) -> Int {
// CHECK: bb0(%0 : $StructOfInt):
// CHECK: alloc_box ${ var StructOfInt }, var, name "lhs"
// CHECK: [[BOX:%.*]] = project_box
// CHECK: [[ACCESS:%.*]] = begin_access [modify] [unsafe] [[BOX]]
// CHECK: store %0 to [trivial] [[ACCESS]]
// CHECK: end_access
// CHECK-LABEL: } // end sil function '$s20access_marker_verify16testLocalVarInitySiAA11StructOfIntVF'
// --- init generic enum
enum GenericEnum<T> {
case V(T)
init?(t: T) {
self = .V(t)
}
}
func testInitGenericEnum<T>(t: T) -> GenericEnum<T>? {
return GenericEnum(t: t)
}
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify11GenericEnumO1tACyxGSgx_tcfC : $@convention(method) <T> (@in T, @thin GenericEnum<T>.Type) -> @out Optional<GenericEnum<T>> {
// CHECK: bb0(%0 : $*Optional<GenericEnum<T>>, %1 : $*T, %2 : $@thin GenericEnum<T>.Type):
// CHECK: alloc_box $<τ_0_0> { var GenericEnum<τ_0_0> } <T>, var, name "self"
// CHECK: mark_uninitialized [delegatingself] %3 : $<τ_0_0> { var GenericEnum<τ_0_0> } <T>
// CHECK: [[PROJ:%.*]] = project_box
// CHECK: [[STK:%.*]] = alloc_stack $GenericEnum<T>
// CHECK: [[ENUMDATAADDR:%.*]] = init_enum_data_addr [[STK]]
// CHECK: copy_addr %1 to [init] [[ENUMDATAADDR]] : $*T
// CHECK: inject_enum_addr
// CHECK: [[ACCESS:%.*]] = begin_access [modify] [unknown] [[PROJ]]
// CHECK: copy_addr [take] %{{.*}} to [[ACCESS]] : $*GenericEnum<T>
// CHECK: end_access [[ACCESS]] : $*GenericEnum<T>
// CHECK: [[ADR2:%.*]] = init_enum_data_addr %0
// CHECK-NOT: begin_access
// CHECK: copy_addr %{{.*}} to [init] [[ADR2]] : $*GenericEnum<T>
// CHECK: inject_enum_addr %0 : $*Optional<GenericEnum<T>>, #Optional.some!enumelt
// CHECK-LABEL: } // end sil function '$s20access_marker_verify11GenericEnumO1tACyxGSgx_tcfC'
// -- initialize indirect enum.
enum IndirectEnum {
indirect case V(Int)
}
func testIndirectEnum() -> IndirectEnum {
return IndirectEnum.V(3)
}
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify16testIndirectEnumAA0eF0OyF : $@convention(thin) () -> @owned IndirectEnum {
// CHECK: bb0:
// CHECK: alloc_box ${ var Int }
// CHECK: [[PROJ:%.*]] = project_box
// CHECK: apply
// CHECK: [[ACCESS:%.*]] = begin_access [modify] [unsafe] [[PROJ]]
// CHECK: store %{{.*}} to [trivial] [[ACCESS]] : $*Int
// CHECK: end_access
// CHECK: enum $IndirectEnum, #IndirectEnum.V!enumelt
// CHECK: return
// CHECK-LABEL: } // end sil function '$s20access_marker_verify16testIndirectEnumAA0eF0OyF'
// -- indirect enum with getter.
enum IntEnum {
indirect case int(Int)
var getValue: Int {
switch self {
case .int(let x): return x
}
}
}
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify7IntEnumO8getValueSivg : $@convention(method) (@guaranteed IntEnum) -> Int {
// CHECK: bb0(%0 : @guaranteed $IntEnum):
// CHECK: switch_enum %{{.*}} : $IntEnum, case #IntEnum.int!enumelt: bb1
// CHECK: bb1(%{{.*}} : @guaranteed ${ var Int }):
// CHECK: [[PROJ:%.*]] = project_box
// CHECK-NOT: begin_access
// CHECK: load [trivial] [[PROJ]] : $*Int
// CHECK-LABEL: } // end sil function '$s20access_marker_verify7IntEnumO8getValueSivg'
// Also test SILGenPattern for address-only enums with indirect loadable payloads.
enum IntTEnum<T> {
indirect case int(Int)
case other(T)
var getValue: Int {
switch self {
case .int(let x): return x
case .other: return 0
}
}
}
// IntTEnum.getValue.getter
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify8IntTEnumO8getValueSivg : $@convention(method) <T> (@in_guaranteed IntTEnum<T>) -> Int {
// CHECK: bb0(%0 : $*IntTEnum<T>):
// CHECK: switch_enum_addr %{{.*}} : $*IntTEnum<T>, case #IntTEnum.int!enumelt: bb1, case #IntTEnum.other!enumelt: bb2
// CHECK: bb1:
// CHECK: [[UTEDA:%.*]] = unchecked_take_enum_data_addr %{{.*}} : $*IntTEnum<T>, #IntTEnum.int!enumelt
// CHECK-NOT: begin_access
// CHECK: [[BOX:%.*]] = load [take] [[UTEDA]] : $*<τ_0_0> { var Int } <T>
// CHECK: [[PROJ:%.*]] = project_box [[BOX]] : $<τ_0_0> { var Int } <T>, 0
// CHECK-NOT: begin_access
// CHECK: load [trivial] [[PROJ]] : $*Int
// CHECK-LABEL: } // end sil function '$s20access_marker_verify8IntTEnumO8getValueSivg'
// -- indirect enum reference.
enum RefEnum {
indirect case ref(BaseClass)
var getValue: BaseClass {
switch self {
case .ref(let c): return c
}
}
}
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify7RefEnumO8getValueAA9BaseClassCvg : $@convention(method) (@guaranteed RefEnum) -> @owned BaseClass {
// CHECK: bb0(%0 : @guaranteed $RefEnum):
// CHECK: switch_enum %{{.*}} : $RefEnum, case #RefEnum.ref!enumelt: bb1
// CHECK: bb1(%{{.*}} : @guaranteed ${ var BaseClass }):
// CHECK: [[PROJ:%.*]] = project_box %{{.*}} : ${ var BaseClass }, 0
// CHECK-NOT: begin_access
// CHECK: load_borrow [[PROJ]] : $*BaseClass
// CHECK-LABEL: } // end sil function '$s20access_marker_verify7RefEnumO8getValueAA9BaseClassCvg'
// --- indirect enum pattern.
func testEnumPattern(ie: IndirectEnum) -> Bool {
guard case .V(let kind) = ie else {
return false
}
_ = kind
return true
}
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify15testEnumPattern2ieSbAA08IndirectE0O_tF : $@convention(thin) (@guaranteed IndirectEnum) -> Bool {
// CHECK: bb0(%0 : @guaranteed $IndirectEnum):
// CHECK: switch_enum %{{.*}} : $IndirectEnum, case #IndirectEnum.V!enumelt: [[BBV:bb.*]], default bb
// CHECK: [[BBV]](%{{.*}} : @owned ${ var Int }):
// CHECK: [[PROJ:%.*]] = project_box
// CHECK: [[ACCESS:%.*]] = begin_access [read] [unsafe] [[PROJ]]
// CHECK: load [trivial] [[ACCESS]] : $*Int
// CHECK-LABEL: } // end sil function '$s20access_marker_verify15testEnumPattern2ieSbAA08IndirectE0O_tF'
// --- enum LValue.
struct StructOfEnum {
var e: E
var f: E
}
func enumLValueHelper(_: inout E, _: inout E) {}
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify14testEnumLValue1syAA08StructOfE0Vz_tF : $@convention(thin) (@inout StructOfEnum) -> () {
// CHECK: bb0(%0 : $*StructOfEnum):
// CHECK: begin_access [modify] [unknown] %0 : $*StructOfEnum
// CHECK: struct_element_addr %2 : $*StructOfEnum, #StructOfEnum.e
// CHECK: begin_access [modify] [unknown] %0 : $*StructOfEnum
// CHECK: struct_element_addr %4 : $*StructOfEnum, #StructOfEnum.f
// CHECK: function_ref @$s20access_marker_verify16enumLValueHelperyyAA1EOz_ADztF : $@convention(thin) (@inout E, @inout E) -> ()
// CHECK: apply %6(%3, %5) : $@convention(thin) (@inout E, @inout E) -> ()
// CHECK: end_access %4 : $*StructOfEnum
// CHECK: end_access %2 : $*StructOfEnum
// CHECK: %10 = tuple ()
// CHECK: return %10 : $()
// CHECK-LABEL: } // end sil function '$s20access_marker_verify14testEnumLValue1syAA08StructOfE0Vz_tF'
func testEnumLValue(s: inout StructOfEnum) {
enumLValueHelper(&s.e, &s.f)
}
struct MyDict<K: Hashable, V> {
let s = "" // make this non-trivial
subscript(key: K) -> V? {
get { return nil }
set {}
}
}
// --- Optional access.
func accessOptionalArray(_ dict : MyDict<Int, [Int]>) {
var dict = dict
dict[1]?.append(2)
}
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify0A13OptionalArrayyyAA6MyDictVySiSaySiGGF : $@convention(thin) (@guaranteed MyDict<Int, Array<Int>>) -> () {
// CHECK: bb0(%0 : @guaranteed $MyDict<Int, Array<Int>>):
// CHECK: alloc_box ${ var MyDict<Int, Array<Int>> }, var, name "dict"
// CHECK: [[PROJ:%.*]] = project_box
// ----- initialize the box.
// CHECK: [[INITACCESS:%.*]] = begin_access [modify] [unsafe] [[PROJ]]
// CHECK: store %{{.*}} to [init] [[INITACCESS]]
// CHECK: end_access [[INITACCESS]]
// ----- begin formal access for MyDict.subscript.setter
// CHECK: [[BOXACCESS:%.*]] = begin_access [modify] [unknown] [[PROJ]]
// CHECK: [[TEMP:%.*]] = alloc_stack $Optional<Array<Int>>
// CHECK: load_borrow [[BOXACCESS]] : $*MyDict<Int, Array<Int>>
// ----- Initialize some trivial temporaries.
// CHECK: alloc_stack $Int
// CHECK-NOT: begin_access
// CHECK: store %{{.*}} to [trivial]
// ----- Call MyDict.subscript.getter.
// CHECK-NOT: begin_access
// CHECK: apply %{{.*}}<Int, [Int]>
// ----- access the temporary array result of the getter
// CHECK: [[TEMPACCESS:%.*]] = begin_access [modify] [unsafe] [[TEMP]]
// CHECK: [[HAS_VALUE:%.*]] = select_enum_addr [[TEMPACCESS]]
// CHECK: cond_br [[HAS_VALUE]], [[TRUEBB:bb[0-9]+]], [[FALSEBB:bb[0-9]+]]
//
// CHECK: [[TRUEBB]]:
// CHECK-NOT: begin_access
// CHECK: [[TEMPARRAYADR:%.*]] = unchecked_take_enum_data_addr [[TEMPACCESS]] : $*Optional<Array<Int>>, #Optional.some!enumelt
// ----- call Array.append
// CHECK: alloc_stack $Int
// CHECK: store %{{.*}} to [trivial]
// CHECK: function_ref @$sSa6appendyyxnF : $@convention(method) <τ_0_0> (@in τ_0_0, @inout Array<τ_0_0>) -> ()
// CHECK: apply %{{.*}}<Int>(%{{.*}}, [[TEMPARRAYADR]]) : $@convention(method) <τ_0_0> (@in τ_0_0, @inout Array<τ_0_0>) -> ()
// CHECK: [[TEMPARRAYVAL:%.*]] = load [take] [[TEMPACCESS]] : $*Optional<Array<Int>>
// CHECK: [[ARRAYCOPY:%.*]] = alloc_stack $Optional<Array<Int>>
// CHECK: store [[TEMPARRAYVAL]] to [init] [[ARRAYCOPY]] : $*Optional<Array<Int>>
// CHECK: alloc_stack $Int
// CHECK: store %{{.*}} to [trivial]
// ----- call MyDict.subscript.setter
// CHECK: apply %{{.*}}<Int, [Int]>([[ARRAYCOPY]], %{{.*}}, [[BOXACCESS]]) : $@convention(method) <τ_0_0, τ_0_1 where τ_0_0 : Hashable> (@in Optional<τ_0_1>, @in τ_0_0, @inout MyDict<τ_0_0, τ_0_1>) -> ()
// CHECK: br [[RETBB:bb[0-9]+]]
//
// CHECK: [[FALSEBB]]:
// CHECK: [[TEMPARRAY:%.*]] = load [copy] [[TEMPACCESS]]
// CHECK: [[WRITEBACK:%.*]] = alloc_stack $Optional<Array<Int>>
// CHECK-NOT: begin_access
// CHECK: store [[TEMPARRAY]] to [init] [[WRITEBACK]]
// CHECK: [[TEMP3:%.*]] = alloc_stack $Int
// CHECK-NOT: begin_access
// CHECK: store %{{.*}} to [trivial] [[TEMP3]] : $*Int
// Call MyDict.subscript.setter
// CHECK: apply %{{.*}}<Int, [Int]>([[WRITEBACK]], [[TEMP3]], [[BOXACCESS]]) : $@convention(method) <τ_0_0, τ_0_1 where τ_0_0 : Hashable> (@in Optional<τ_0_1>, @in τ_0_0, @inout MyDict<τ_0_0, τ_0_1>) -> ()
// CHECK: end_access [[TEMPACCESS]] : $*Optional<Array<Int>>
// CHECK: end_access [[BOXACCESS]] : $*MyDict<Int, Array<Int>>
// CHECK: br [[RETBB]]
//
// CHECK-LABEL: } // end sil function '$s20access_marker_verify0A13OptionalArrayyyAA6MyDictVySiSaySiGGF'
// --- Optional map.
enum OptionalWithMap<Wrapped> {
case none
case some(Wrapped)
init(_ some: Wrapped) { self = .some(some) }
func map<U>(
_ transform: (Wrapped) throws -> U
) rethrows -> U? {
switch self {
case .some(let y):
return .some(try transform(y))
case .none:
return .none
}
}
}
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify15OptionalWithMapO3mapyqd__Sgqd__xKXEKlF :
// CHECK: [[STK:%.]] = alloc_stack $OptionalWithMap<Wrapped>
// CHECK-NOT: begin_access
// CHECK: copy_addr %2 to [init] [[STK]] : $*OptionalWithMap<Wrapped>
// CHECK: switch_enum_addr [[STK]] : $*OptionalWithMap<Wrapped>, case #OptionalWithMap.some!enumelt: [[BBSOME:bb.*]], case #OptionalWithMap.none!enumelt: bb
//
// CHECK: [[BBSOME]]:
// CHECK-NOT: begin_access
// CHECK: [[ADR:%.*]] = unchecked_take_enum_data_addr [[STK]]
// CHECK: alloc_stack [lexical] [var_decl] $Wrapped, let, name "y"
// CHECK-NOT: begin_access
// CHECK: copy_addr [take] [[ADR]] to [init]
// ----- call transform.
// CHECK: try_apply
// CHECK-LABEL: } // end sil function '$s20access_marker_verify15OptionalWithMapO3mapyqd__Sgqd__xKXEKlF'
// --- delegating initializer.
struct DelegatingInit {
var i: Int
init(i: Int) {
self.i = i
}
init() {
self.init(i: 4)
}
}
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify14DelegatingInitV1iACSi_tcfC : $@convention(method) (Int, @thin DelegatingInit.Type) -> DelegatingInit {
// CHECK: bb0(%0 : $Int, %1 : $@thin DelegatingInit.Type):
// CHECK: alloc_box ${ var DelegatingInit }, var, name "self"
// CHECK: mark_uninitialized [rootself] %2 : ${ var DelegatingInit }
// CHECK: [[BOX:%.*]] = project_box
// CHECK: begin_access [modify] [unknown]
// CHECK: struct_element_addr
// CHECK: assign
// CHECK: end_access
// CHECK-NOT: begin_access
// CHECK: load [trivial] [[BOX]] : $*DelegatingInit
// CHECK: destroy_value
// CHECK: return {{%[^,]+}} : $DelegatingInit
// CHECK-LABEL: } // end sil function '$s20access_marker_verify14DelegatingInitV1iACSi_tcfC'
// --- addressor.
func testAddressor(p: UnsafePointer<Int>) -> Int {
return p.pointee
}
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify13testAddressor1pSiSPySiG_tF : $@convention(thin) (UnsafePointer<Int>) -> Int {
// CHECK: bb0(%0 : $UnsafePointer<Int>):
// CHECK: apply
// CHECK: struct_extract
// CHECK: [[ADR:%.*]] = pointer_to_address
// CHECK: [[MD:%.*]] = mark_dependence [unresolved] [[ADR]] : $*Int on %0 : $UnsafePointer<Int>
// CHECK: [[ACCESS:%.*]] = begin_access [read] [unsafe] [[MD]] : $*Int
// CHECK: load [trivial] [[ACCESS]] : $*Int
// CHECK: return
// CHECK-LABEL: } // end sil function '$s20access_marker_verify13testAddressor1pSiSPySiG_tF'
// --- shims.
func testShims() -> UInt32 {
return _SwiftKeyPathBufferHeader_SizeMask
}
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify9testShimss6UInt32VyF : $@convention(thin) () -> UInt32 {
// CHECK: bb0:
// CHECK: [[GA:%.*]] = global_addr @_SwiftKeyPathBufferHeader_SizeMask : $*UInt32
// CHECK-NOT: begin_access
// CHECK: load [trivial] [[GA]] : $*UInt32
// CHECK: return
// CHECK-LABEL: } // end sil function '$s20access_marker_verify9testShimss6UInt32VyF'
// --- global variable initialization.
var globalString1 = "⓪" // start non-empty
// CHECK-LABEL: sil private [global_init_once_fn] [ossa] @{{.*}}WZ : $@convention(c) (Builtin.RawPointer) -> () {
// CHECK: alloc_global @$s20access_marker_verify13globalString1SSvp
// CHECK: [[GA:%.*]] = global_addr @$s20access_marker_verify13globalString1SSvp : $*String
// CHECK: apply
// CHECK: [[ACCESS:%.*]] = begin_access [modify] [unsafe] [[GA]] : $*String
// CHECK: store %{{.*}} to [init] [[ACCESS]] : $*String
// CHECK: end_access
// CHECK-LABEL: } // end sil function '{{.*}}WZ'
var globalString2 = globalString1
// CHECK-LABEL: sil private [global_init_once_fn] [ossa] @{{.*}}WZ : $@convention(c) (Builtin.RawPointer) -> () {
// CHECK: alloc_global @$s20access_marker_verify13globalString2SSvp
// CHECK: [[GA:%.*]] = global_addr @$s20access_marker_verify13globalString2SSvp : $*String
// CHECK: apply
// CHECK: [[PTR:%.*]] = pointer_to_address
// CHECK: [[ACCESS:%.*]] = begin_access [read] [dynamic] [[PTR]] : $*String
// CHECK: [[INIT:%.*]] = begin_access [modify] [unsafe] [[GA]] : $*String
// CHECK: copy_addr [[ACCESS]] to [init] [[INIT]] : $*String
// CHECK: end_access [[INIT]] : $*String
// CHECK: end_access [[ACCESS]] : $*String
// CHECK-NOT: end_access
// CHECK-LABEL: } // end sil function '{{.*}}WZ'
// --- getter.
struct GenericStructWithGetter<T> {
var t: T
var val: Int
struct Value {
internal var val: Int
internal init(_ val: Int) { self.val = val }
}
var value : Value {
get { return Value(val) }
}
}
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify23GenericStructWithGetterV5valueAC5ValueVyx_Gvg : $@convention(method) <T> (@in_guaranteed GenericStructWithGetter<T>) -> GenericStructWithGetter<T>.Value {
// CHECK: bb0(%0 : $*GenericStructWithGetter<T>):
// CHECK: [[ADR:%.*]] = struct_element_addr %0 : $*GenericStructWithGetter<T>, #GenericStructWithGetter.val
// CHECK-NOT: begin_access
// CHECK: load [trivial] [[ADR]] : $*Int
// CHECK: apply
// CHECK-LABEL: } // end sil function '$s20access_marker_verify23GenericStructWithGetterV5valueAC5ValueVyx_Gvg'
// --- setter.
struct StructWithSetter {
var _val: Int
internal var val: Int {
get {
return _val
}
set {
_val = newValue
}
}
mutating func inc(incVal: Int) {
val += incVal
}
}
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify16StructWithSetterV3inc0G3ValySi_tF : $@convention(method) (Int, @inout StructWithSetter) -> () {
// CHECK: bb0(%0 : $Int, %1 : $*StructWithSetter):
// CHECK: [[FORMALACCESS:%.*]] = begin_access [modify] [unknown] %1
// CHECK: alloc_stack $Int
// CHECK: load [trivial] [[FORMALACCESS]] : $*StructWithSetter
// CHECK: [[GETTER:%.*]] = function_ref @$s20access_marker_verify16StructWithSetterV3valSivg
// CHECK: apply [[GETTER]]
// CHECK: begin_access [modify] [unsafe]
// CHECK: store %{{.*}} to [trivial]
// CHECK: end_access
// CHECK: begin_access [modify] [unsafe]
// CHECK: [[INC:%.*]] = function_ref @$sSi2peoiyySiz_SitFZ
// CHECK: apply [[INC]]
// CHECK: load [trivial] %13 : $*Int
// CHECK: [[SETTER:%.*]] = function_ref @$s20access_marker_verify16StructWithSetterV3valSivs
// CHECK: apply [[SETTER]]
// CHECK: end_access
// CHECK: end_access [[FORMALACCESS]]
// CHECK-LABEL: } // end sil function '$s20access_marker_verify16StructWithSetterV3inc0G3ValySi_tF'
// --- lazy inout.
func increment(_ x: inout Int) { x += 1 }
final class LazyFinalClassProperty {
lazy var cat: Int = 5
}
func inoutWriteOfLazyFinalClassProperty(l: inout LazyFinalClassProperty) {
increment(&l.cat)
}
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify34inoutWriteOfLazyFinalClassProperty1lyAA0ghiJ0Cz_tF : $@convention(thin) (@inout LazyFinalClassProperty) -> () {
// CHECK: bb0(%0 : $*LazyFinalClassProperty):
// CHECK: [[FORMALACCESS:%.*]] = begin_access [read] [unknown] %0 : $*LazyFinalClassProperty
// CHECK: load [copy] [[FORMALACCESS]] : $*LazyFinalClassProperty
// CHECK: end_access [[FORMALACCESS]] : $*LazyFinalClassProperty
// CHECK: // function_ref LazyFinalClassProperty.cat.getter
// CHECK: [[GETTER:%.*]] = function_ref @$s20access_marker_verify22LazyFinalClassPropertyC3catSivg
// CHECK: apply [[GETTER]]
// CHECK: begin_access [modify] [unsafe]
// CHECK: store %{{.*}} to [trivial]
// CHECK: end_access
// CHECK: [[TEMPACCESS:%.*]] = begin_access [modify] [unsafe] %5 : $*Int
// CHECK: [[INC:%.*]] = function_ref @$s20access_marker_verify9incrementyySizF : $@convention(thin) (@inout Int) -> ()
// CHECK: apply [[INC]]([[TEMPACCESS]]) : $@convention(thin) (@inout Int) -> ()
// CHECK: load [trivial] [[TEMPACCESS]] : $*Int
// CHECK: [[SETTER:%.*]] = function_ref @$s20access_marker_verify22LazyFinalClassPropertyC3catSivs
// CHECK: apply [[SETTER]]
// CHECK: end_access [[TEMPACCESS]] : $*Int
// CHECK-LABEL: } // end sil function '$s20access_marker_verify34inoutWriteOfLazyFinalClassProperty1lyAA0ghiJ0Cz_tF'
// --- lazy getter.
func inoutAccessOfLazyFinalClassProperty(
l: inout LazyFinalClassProperty
) -> Int {
return l.cat
}
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify35inoutAccessOfLazyFinalClassProperty1lSiAA0ghiJ0Cz_tF : $@convention(thin) (@inout LazyFinalClassProperty) -> Int {
// CHECK: bb0(%0 : $*LazyFinalClassProperty):
// CHECK: begin_access [read] [unknown] %0
// CHECK: load [copy]
// CHECK: end_access
// CHECK: [[GETTER:%.*]] = function_ref @$s20access_marker_verify22LazyFinalClassPropertyC3catSivg : $@convention(method) (@guaranteed LazyFinalClassProperty) -> Int
// CHECK: apply [[GETTER]]
// CHECK-LABEL: } // end sil function '$s20access_marker_verify35inoutAccessOfLazyFinalClassProperty1lSiAA0ghiJ0Cz_tF'
// --- polymorphic getter
protocol Abstractable {
associatedtype Result
var storedFunction: () -> Result { get set }
}
class C : Abstractable {
var storedFunction: () -> Int = { 0 }
}
// CHECK-LABEL: sil private [transparent] [thunk] [ossa] @$s20access_marker_verify1CCAA12AbstractableA2aDP14storedFunction6ResultQzycvMTW :
// CHECK: bb0(%0 : $*C):
// CHECK-NEXT: [[SELF:%.*]] = load_borrow %0 : $*C
// CHECK-NEXT: [[MODIFY:%.*]] = class_method [[SELF]] : $C, #C.storedFunction!modify
// CHECK-NEXT: ([[ADDR:%.*]], [[TOKEN:%.*]]) = begin_apply [[MODIFY]]([[SELF]])
// CHECK-NEXT: [[TEMP:%.*]] = alloc_stack
// CHECK-NEXT: [[OLD_FN:%.*]] = load [take] [[ADDR]]
// CHECK-NEXT: // function_ref thunk
// CHECK-NEXT: [[THUNK:%.*]] = function_ref @$sSiIegd_SiIegr_TR
// CHECK-NEXT: [[THUNKED_OLD_FN:%.*]] = partial_apply [callee_guaranteed] [[THUNK]]([[OLD_FN]])
// CHECK-NEXT: [[CONVERTED_OLD_FN:%.*]] = convert_function [[THUNKED_OLD_FN]]
// CHECK-NEXT: [[TEMP_ACCESS:%.*]] = begin_access [modify] [unsafe] [[TEMP]] :
// CHECK-NEXT: store [[CONVERTED_OLD_FN]] to [init] [[TEMP_ACCESS]] :
// CHECK-NEXT: end_access [[TEMP_ACCESS]]
// CHECK-NEXT: yield [[TEMP]] : {{.*}}, resume bb1, unwind bb2
// CHECK: bb1:
// CHECK-NEXT: [[NEW_FN:%.*]] = load [take] [[TEMP]]
// CHECK-NEXT: [[NEW_FN_CONV:%.*]] = convert_function [[NEW_FN]]
// CHECK-NEXT: // function_ref thunk
// CHECK-NEXT: [[THUNK:%.*]] = function_ref @$sSiIegr_SiIegd_TR
// CHECK-NEXT: [[THUNKED_NEW_FN:%.*]] = partial_apply [callee_guaranteed] [[THUNK]]([[NEW_FN_CONV]])
// CHECK-NEXT: store [[THUNKED_NEW_FN]] to [init] [[ADDR]] :
// CHECK-NEXT: dealloc_stack [[TEMP]]
// CHECK-NEXT: end_apply [[TOKEN]]
// CHECK-NEXT: [[TUPLE:%.*]] = tuple ()
// CHECK-NEXT: end_borrow [[SELF]] : $C
// CHECK-NEXT: return [[TUPLE]]
// CHECK: bb2:
// CHECK-NEXT: [[NEW_FN:%.*]] = load [take] [[TEMP]]
// CHECK-NEXT: [[NEW_FN_CONV:%.*]] = convert_function [[NEW_FN]]
// CHECK-NEXT: // function_ref thunk
// CHECK-NEXT: [[THUNK:%.*]] = function_ref @$sSiIegr_SiIegd_TR
// CHECK-NEXT: [[THUNKED_NEW_FN:%.*]] = partial_apply [callee_guaranteed] [[THUNK]]([[NEW_FN_CONV]])
// CHECK-NEXT: store [[THUNKED_NEW_FN]] to [init] [[ADDR]] :
// CHECK-NEXT: dealloc_stack [[TEMP]]
// CHECK-NEXT: abort_apply [[TOKEN]]
// CHECK-NEXT: end_borrow [[SELF]] : $C
// CHECK-NEXT: unwind
// --- writeback address-only.
var addressOnly: P {
get {
return StructP()
}
set {}
}
func takesInoutP(x: inout P) {}
func testWriteback() {
takesInoutP(x: &addressOnly)
}
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify13testWritebackyyF : $@convention(thin) () -> () {
// CHECK: bb0:
// CHECK: %0 = alloc_stack $any P
// CHECK: [[GETTER:%.*]] = apply
// CHECK: [[ACCESS:%.*]] = begin_access [modify] [unsafe] %0 : $*any P
// Call takesInoutP
// CHECK: apply %{{.*}}([[ACCESS]]) : $@convention(thin) (@inout any P) -> ()
// Call addressOnly.setter
// CHECK: apply %{{.*}}([[ACCESS]]) : $@convention(thin) (@in any P) -> ()
// CHECK: end_access [[ACCESS]] : $*any P
// CHECK-LABEL: } // end sil function '$s20access_marker_verify13testWritebackyyF'
// --- writeback temp.
struct MutableStorage {
mutating func push() {}
}
class Container {
var storage: MutableStorage
init() {
storage = MutableStorage()
}
func testWritebackTemp() {
self.storage.push()
}
}
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify9ContainerC17testWritebackTempyyF : $@convention(method) (@guaranteed Container) -> () {
// CHECK: bb0(%0 : @guaranteed $Container):
// call storage.materializeForSet
// CHECK: [[MODIFY:%.*]] = class_method %0 : $Container, #Container.storage!modify
// CHECK: begin_apply [[MODIFY]]
// call MutableStorage.push()
// CHECK: apply %{{.*}}(%{{.*}}) : $@convention(method) (@inout MutableStorage) -> ()
// CHECK: end_apply
// CHECK-LABEL: } // end sil function '$s20access_marker_verify9ContainerC17testWritebackTempyyF'
// --- return mixed tuple
protocol HasClassGetter {
var c: BaseClass { get }
}
func testMixedTuple(p: HasClassGetter) -> (BaseClass, Any) {
return (p.c, p.c)
}
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify14testMixedTuple1pAA9BaseClassC_yptAA03HasH6Getter_p_tF : $@convention(thin) (@in_guaranteed any HasClassGetter) -> (@owned BaseClass, @out Any) {
// CHECK: bb0(%0 : $*Any, %1 : $*any HasClassGetter):
// CHECK: [[P1:%.*]] = open_existential_addr immutable_access %1 : $*any HasClassGetter to $*@opened
// CHECK: [[OUTC:%.*]] = apply %{{.*}}<@opened("{{.*}}", any HasClassGetter) Self>([[P1]])
// CHECK: [[P2:%.*]] = open_existential_addr immutable_access %1 : $*any HasClassGetter to $*@opened
// CHECK: [[R2:%.*]] = apply %{{.*}}<@opened("{{.*}}", any HasClassGetter) Self>([[P2]])
// CHECK: [[OUTANY:%.*]] = init_existential_addr %0 : $*Any, $BaseClass
// CHECK: store [[R2]] to [init] [[OUTANY]] : $*BaseClass
// CHECK: return [[OUTC]] : $BaseClass
// CHECK-LABEL: } // end sil function '$s20access_marker_verify14testMixedTuple1pAA9BaseClassC_yptAA03HasH6Getter_p_tF'
// --- existential cast.
internal protocol CanCast {
func unbox<T : Hashable>() -> T?
}
internal struct CanCastStruct<Base : Hashable> : CanCast {
internal var base: Base
internal func unbox<T : Hashable>() -> T? {
return (self as CanCast as? CanCastStruct<T>)?.base
}
}
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify13CanCastStructV5unboxqd__SgySHRd__lF : $@convention(method) <Base where Base : Hashable><T where T : Hashable> (@in_guaranteed CanCastStruct<Base>) -> @out Optional<T> {
// CHECK: bb0(%0 : $*Optional<T>, %1 : $*CanCastStruct<Base>):
// CHECK: [[OUT_ENUM:%.*3]] = init_enum_data_addr %0 : $*Optional<T>, #Optional.some!enumelt
// CHECK: [[TEMP_SUB:%.*]] = alloc_stack $Optional<CanCastStruct<T>>
// CHECK: [[TEMP_BASE:%.*]] = alloc_stack $any CanCast
// CHECK: [[TEMP_BASE_ADR:%.*]] = init_existential_addr [[TEMP_BASE]] : $*any CanCast, $CanCastStruct<Base>
// CHECK-NOT: begin_access
// CHECK: copy_addr %1 to [init] [[TEMP_BASE_ADR]] : $*CanCastStruct<Base>
// CHECK-NOT: begin_access
// CHECK: [[TEMP_SUB_ADR:%.*]] = init_enum_data_addr [[TEMP_SUB]] : $*Optional<CanCastStruct<T>>, #Optional.some!enumelt
// CHECK-NOT: begin_access
// CHECK: checked_cast_addr_br take_always any CanCast in [[TEMP_BASE]] : $*any CanCast to CanCastStruct<T> in [[TEMP_SUB_ADR]] : $*CanCastStruct<T>
// CHECK-NOT: begin_access
// CHECK: [[TEMP_DATA:%.*]] = unchecked_take_enum_data_addr [[TEMP_SUB]] : $*Optional<CanCastStruct<T>>, #Optional.some!enumelt
// CHECK-NOT: begin_access
// CHECK: [[BASE_ADR:%.*]] = struct_element_addr [[TEMP_DATA]] : $*CanCastStruct<T>, #CanCastStruct.base
// CHECK: copy_addr [[BASE_ADR]] to [init] [[OUT_ENUM]] : $*T
// CHECK-NOT: begin_access
// CHECK: inject_enum_addr %0 : $*Optional<T>, #Optional.some!enumelt
// CHECK-LABEL: } // end sil function '$s20access_marker_verify13CanCastStructV5unboxqd__SgySHRd__lF'
// --- open existential
protocol Q : PBar {}
func testOpenExistential(p: PBar) {
let q0 = p as? Q
if q0 != nil, let q = q0 {
q.bar()
}
}
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify19testOpenExistential1pyAA4PBar_p_tF : $@convention(thin) (@in_guaranteed any PBar) -> () {
// CHECK: bb0(%0 : $*any PBar):
// CHECK: [[Q0:%.*]] = alloc_stack [lexical] [var_decl] $Optional<any Q>, let, name "q0"
// CHECK: [[PBAR:%.*]] = alloc_stack $any PBar
// CHECK-NOT: begin_access
// CHECK: copy_addr %0 to [init] [[PBAR]] : $*any PBar
// CHECK-NOT: begin_access
// CHECK: [[Q0_DATA:%.*]] = init_enum_data_addr [[Q0]] : $*Optional<any Q>, #Optional.some!enumelt
// CHECK-NOT: begin_access
// CHECK: checked_cast_addr_br take_always any PBar in [[PBAR]] : $*any PBar to any Q in [[Q0_DATA]] : $*any Q, bb1, bb2
// CHECK-NOT: begin_access
// CHECK: inject_enum_addr [[Q0]] : $*Optional<any Q>, #Optional.some!enumelt
// CHECK-NOT: begin_access
// CHECK: apply %{{.*}}<any Q>([[Q0]], {{.*}}) : $@convention(method) <τ_0_0 where τ_0_0 : ~Copyable> (@in_guaranteed Optional<τ_0_0>, _OptionalNilComparisonType, @thin Optional<τ_0_0>.Type) -> Bool
// CHECK: [[Q:%.*]] = alloc_stack [lexical] [var_decl] $any Q, let, name "q"
// CHECK: [[OPT_Q:%.*]] = alloc_stack $Optional<any Q>
// CHECK-NOT: begin_access
// CHECK: copy_addr [[Q0]] to [init] [[OPT_Q]] : $*Optional<any Q>
// CHECK-NOT: begin_access
// CHECK: switch_enum_addr [[OPT_Q]] : $*Optional<any Q>, case #Optional.some!enumelt: bb
// CHECK-NOT: begin_access
// CHECK: [[OPT_Q_ADR:%.*]] = unchecked_take_enum_data_addr [[OPT_Q]] : $*Optional<any Q>, #Optional.some!enumelt
// CHECK-NOT: begin_access
// CHECK: copy_addr [take] [[OPT_Q_ADR]] to [init] [[Q]] : $*any Q
// CHECK-NOT: begin_access
// CHECK: [[Q_ADR:%.*]] = open_existential_addr immutable_access [[Q]] : $*any Q to $*@opened("{{.*}}", any Q) Self
// CHECK: witness_method $@opened("{{.*}}", any Q) Self, #PBar.bar
// CHECK: apply %{{.*}}<@opened("{{.*}}", any Q) Self>([[Q_ADR]])
// CHECK-LABEL: } // end sil function '$s20access_marker_verify19testOpenExistential1pyAA4PBar_p_tF'
// --- local existential
func getP() -> P {
struct S : P {}
return S()
}
func testLocalExistential() {
var p = getP()
takesClosure { p = getP() }
_ = p
}
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify20testLocalExistentialyyF : $@convention(thin) () -> () {
// CHECK: alloc_box ${ var any P }, var, name "p"
// CHECK: [[PROJ:%.*]] = project_box %{{.*}} : ${ var any P }, 0
// CHECK-NOT: begin_access
// CHECK: apply %{{.*}}([[PROJ]]) : $@convention(thin) () -> @out any P
// CHECK-NOT: begin_access
// CHECK: partial_apply [callee_guaranteed] %{{.*}}([[PROJ]]) : $@convention(thin) (@inout_aliasable any P) -> ()
// CHECK-NOT: begin_access
// CHECK: apply
// CHECK: [[ACCESS:%.*]] = begin_access [read] [unknown] [[PROJ]] : $*any P
// CHECK: [[COPY:%.*]] = alloc_stack $any P
// CHECK-NOT: begin_access
// CHECK: copy_addr [[ACCESS]] to [init] [[COPY]] : $*any P
// CHECK: end_access
// CHECK-NOT: begin_access
// CHECK-LABEL: } // end sil function '$s20access_marker_verify20testLocalExistentialyyF'
// --- address-only argument.
protocol UsesSelf {
func bar(_: Self)
}
extension UsesSelf {
static func testSelf(a: Self, b: Self) {
a.bar(b)
}
}
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify8UsesSelfPAAE04testE01a1byx_xtFZ : $@convention(method) <Self where Self : UsesSelf> (@in_guaranteed Self, @in_guaranteed Self, @thick Self.Type) -> () {
// CHECK: bb0(%0 : $*Self, %1 : $*Self, %2 : $@thick Self.Type):
// CHECK: apply %{{.*}}<Self>(%1, %0) : $@convention(witness_method: UsesSelf) <τ_0_0 where τ_0_0 : UsesSelf> (@in_guaranteed τ_0_0, @in_guaranteed τ_0_0) -> ()
// CHECK-LABEL: } // end sil function '$s20access_marker_verify8UsesSelfPAAE04testE01a1byx_xtFZ'
// --- autoclosure
struct StructWithLayout {
internal init() {
assert(MemoryLayout.size(ofValue: self) >= 0)
}
}
// CHECK-LABEL: sil hidden [ossa] @$s20access_marker_verify16StructWithLayoutVACycfC : $@convention(method) (@thin StructWithLayout.Type) -> StructWithLayout {
// CHECK: bb0(%0 : $@thin StructWithLayout.Type):
// CHECK: alloc_box ${ var StructWithLayout }, var, name "self"
// CHECK: mark_uninitialized [rootself] %{{.*}} : ${ var StructWithLayout }