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
|
// RUN: %target-swift-frontend -emit-silgen -enable-experimental-feature NonescapableTypes -disable-availability-checking -module-name main %s | %FileCheck %s
protocol NoCopyP: ~Copyable {}
struct NC: ~Copyable {}
struct RudeStruct<T: ~Copyable>: Copyable {
let thing: Int
}
enum RudeEnum<T: ~Copyable>: Copyable {
case holder(Int)
case whatever
}
struct CondCopyableStruct<T: ~Copyable>: ~Copyable {}
extension CondCopyableStruct: Copyable where T: Copyable {}
enum CondCopyableEnum<T: ~Copyable>: ~Copyable {
case some(T)
case none
}
extension CondCopyableEnum: Copyable where T: Copyable {}
protocol NoEscapeP: ~Escapable {}
struct NE: ~Escapable {}
struct TooRudeStruct<T: ~Escapable>: Escapable {
let thing: Int
}
enum TooRudeEnum<T: ~Escapable>: Escapable {
case holder(Int)
case whatever
}
struct CondEscapableStruct<T: ~Escapable>: ~Escapable {}
extension CondEscapableStruct: Escapable where T: Escapable {}
enum CondEscapableEnum<T: ~Escapable>: ~Escapable {
case some(T)
case none
}
extension CondEscapableEnum: Escapable where T: Escapable {}
// MARK: ensure certain conditionally Copyable types are treated as trivial (no ownership in func signature).
// CHECK: sil hidden [ossa] @$s4main5checkyyAA10RudeStructVySiGF : $@convention(thin) (RudeStruct<Int>) -> () {
func check(_ t: RudeStruct<Int>) {}
// CHECK: sil hidden [ossa] @$s4main5checkyyAA10RudeStructVyAA2NCVGF : $@convention(thin) (RudeStruct<NC>) -> () {
func check(_ t: RudeStruct<NC>) {}
// CHECK: sil hidden [ossa] @$s4main5checkyyAA8RudeEnumOySiGF : $@convention(thin) (RudeEnum<Int>) -> () {
func check(_ t: RudeEnum<Int>) {}
// CHECK: sil hidden [ossa] @$s4main5checkyyAA8RudeEnumOyAA2NCVGF : $@convention(thin) (RudeEnum<NC>) -> () {
func check(_ t: RudeEnum<NC>) {}
// CHECK: sil hidden [ossa] @$s4main5checkyyAA18CondCopyableStructVySiGF : $@convention(thin) (CondCopyableStruct<Int>) -> () {
func check(_ t: CondCopyableStruct<Int>) {}
// CHECK: sil hidden [ossa] @$s4main5checkyyAA18CondCopyableStructVyAA2NCVGF : $@convention(thin) (@guaranteed CondCopyableStruct<NC>) -> () {
func check(_ t: borrowing CondCopyableStruct<NC>) {}
// CHECK: sil hidden [ossa] @$s4main5checkyyAA16CondCopyableEnumOySiGF : $@convention(thin) (CondCopyableEnum<Int>) -> () {
func check(_ t: CondCopyableEnum<Int>) {}
// CHECK: sil hidden [ossa] @$s4main5checkyyAA16CondCopyableEnumOyAA2NCVGF : $@convention(thin) (@guaranteed CondCopyableEnum<NC>) -> () {
func check(_ t: borrowing CondCopyableEnum<NC>) {}
// CHECK: sil hidden [ossa] @$s4main5checkyyAA16CondCopyableEnumOyxGlF : $@convention(thin) <T> (@in_guaranteed CondCopyableEnum<T>) -> () {
func check<T>(_ t: CondCopyableEnum<T>) {}
// CHECK: sil hidden [ossa] @$s4main5checkyyAA16CondCopyableEnumOyxGRi_zlF : $@convention(thin) <U where U : ~Copyable> (@in_guaranteed CondCopyableEnum<U>) -> () {
func check<U: ~Copyable>(_ t: borrowing CondCopyableEnum<U>) {}
// CHECK: sil hidden [ossa] @$s4main5checkyyAA7NoCopyP_pF : $@convention(thin) (@in_guaranteed any NoCopyP) -> () {
func check(_ t: any NoCopyP) {}
// CHECK: sil hidden [ossa] @$s4main5checkyyAA7NoCopyP_pRi_s_XPF : $@convention(thin) (@in_guaranteed any NoCopyP & ~Copyable) -> () {
func check(_ t: borrowing any NoCopyP & ~Copyable) {}
// CHECK: sil hidden [ossa] @$s4main5checkyyAA7NoCopyP_pRi_s_XPnF : $@convention(thin) (@in any NoCopyP & ~Copyable) -> () {
func check(_ t: consuming any NoCopyP & ~Copyable) {}
// CHECK: sil hidden [ossa] @$s4main5checkyyAA7NoCopyP_pRi_s_XPzF : $@convention(thin) (@inout any NoCopyP & ~Copyable) -> () {
func check(_ t: inout any NoCopyP & ~Copyable) {}
// MARK: ensure certain conditionally Escapable types are treated as trivial (no ownership in func signature).
// CHECK: sil hidden [ossa] @$s4main5checkyyAA13TooRudeStructVySiGF : $@convention(thin) (TooRudeStruct<Int>) -> () {
func check(_ t: TooRudeStruct<Int>) {}
// CHECK: sil hidden [ossa] @$s4main5checkyyAA13TooRudeStructVyAA2NEVGF : $@convention(thin) (TooRudeStruct<NE>) -> () {
func check(_ t: TooRudeStruct<NE>) {}
// CHECK: sil hidden [ossa] @$s4main5checkyyAA11TooRudeEnumOySiGF : $@convention(thin) (TooRudeEnum<Int>) -> () {
func check(_ t: TooRudeEnum<Int>) {}
// CHECK: sil hidden [ossa] @$s4main5checkyyAA11TooRudeEnumOyAA2NEVGF : $@convention(thin) (TooRudeEnum<NE>) -> () {
func check(_ t: TooRudeEnum<NE>) {}
// CHECK: sil hidden [ossa] @$s4main5checkyyAA19CondEscapableStructVySiGF : $@convention(thin) (CondEscapableStruct<Int>) -> () {
func check(_ t: CondEscapableStruct<Int>) {}
// CHECK: sil hidden [ossa] @$s4main5checkyyAA19CondEscapableStructVyAA2NEVGF : $@convention(thin) (@guaranteed CondEscapableStruct<NE>) -> () {
func check(_ t: borrowing CondEscapableStruct<NE>) {}
// CHECK: sil hidden [ossa] @$s4main5checkyyAA17CondEscapableEnumOySiGF : $@convention(thin) (CondEscapableEnum<Int>) -> () {
func check(_ t: CondEscapableEnum<Int>) {}
// CHECK: sil hidden [ossa] @$s4main5checkyyAA17CondEscapableEnumOyAA2NEVGF : $@convention(thin) (@guaranteed CondEscapableEnum<NE>) -> () {
func check(_ t: borrowing CondEscapableEnum<NE>) {}
// CHECK: sil hidden [ossa] @$s4main5checkyyAA17CondEscapableEnumOyxGlF : $@convention(thin) <T> (@in_guaranteed CondEscapableEnum<T>) -> () {
func check<T>(_ t: CondEscapableEnum<T>) {}
// CHECK: sil hidden [ossa] @$s4main5checkyyAA17CondEscapableEnumOyxGRi0_zlF : $@convention(thin) <U where U : ~Escapable> (@in_guaranteed CondEscapableEnum<U>) -> () {
func check<U: ~Escapable>(_ t: borrowing CondEscapableEnum<U>) {}
// CHECK: sil hidden [ossa] @$s4main5checkyyAA9NoEscapeP_pF : $@convention(thin) (@in_guaranteed any NoEscapeP) -> () {
func check(_ t: any NoEscapeP) {}
// CHECK: sil hidden [ossa] @$s4main5checkyyAA9NoEscapeP_pRi0_s_XPF : $@convention(thin) (@in_guaranteed any NoEscapeP & ~Escapable) -> () {
func check(_ t: borrowing any NoEscapeP & ~Escapable) {}
// CHECK: sil hidden [ossa] @$s4main5checkyyAA9NoEscapeP_pRi0_s_XPnF : $@convention(thin) (@in any NoEscapeP & ~Escapable) -> () {
func check(_ t: consuming any NoEscapeP & ~Escapable) {}
// CHECK: sil hidden [ossa] @$s4main5checkyyAA9NoEscapeP_pRi0_s_XPzF : $@convention(thin) (@inout any NoEscapeP & ~Escapable) -> () {
func check(_ t: inout any NoEscapeP & ~Escapable) {}
// MARK: conditionally Copyable & Escapable SILGen
struct MyStruct<T: ~Copyable & ~Escapable>: ~Copyable & ~Escapable {
var x: T
init(x: consuming T) { self.x = x }
}
extension MyStruct: Copyable where T: Copyable {}
extension MyStruct: Escapable where T: Escapable {}
enum MyEnum<T: ~Copyable & ~Escapable>: ~Copyable & ~Escapable {
case x(T)
case knoll
}
extension MyEnum: Copyable where T: Copyable {}
extension MyEnum: Escapable where T: Escapable {}
enum Trivial {
case a, b, c
}
// CHECK-LABEL: sil{{.*}} @{{.*}}13trivialStruct
func trivialStruct() -> Int {
// CHECK: [[ALLOC:%.*]] = alloc_stack $MyStruct<Trivial>
// CHECK-NOT: destroy_addr [[ALLOC]] :
// CHECK: dealloc_stack [[ALLOC]] :
return MemoryLayout.size(ofValue: MyStruct(x: Trivial.a))
}
// CHECK-LABEL: sil{{.*}} @{{.*}}11trivialEnum
func trivialEnum() -> Int {
// CHECK: [[ALLOC:%.*]] = alloc_stack $MyEnum<Trivial>
// CHECK-NOT: destroy_addr [[ALLOC]] :
// CHECK: dealloc_stack [[ALLOC]] :
return MemoryLayout.size(ofValue: MyEnum.x(Trivial.a))
}
struct MyAssortment {
var a: MyStruct<Trivial>
var b: MyEnum<Trivial>
}
// CHECK-LABEL: sil{{.*}} @{{.*}}4frob
func frob(x: MyAssortment) -> Int {
// CHECK: [[ALLOC:%.*]] = alloc_stack $MyAssortment
// CHECK-NOT: destroy_addr [[ALLOC]] :
// CHECK: dealloc_stack [[ALLOC]] :
return MemoryLayout.size(ofValue: x)
}
extension MyEnum: BitwiseCopyable
where T: Copyable & BitwiseCopyable {}
|
