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
|
// RUN: %target-swift-frontend -O -emit-sil -disable-availability-checking %s -enable-builtin-module -enable-experimental-feature RawLayout | %FileCheck %s
// REQUIRES: swift_feature_RawLayout
import Builtin
@frozen
@_rawLayout(like: T)
public struct Cell<T: ~Copyable>: ~Copyable {
// CHECK-LABEL: sil {{.*}} @$s4CellAAVAARi_zrlE7addressSpyxGvg : $@convention(method) <T where T : ~Copyable> (@in_guaranteed Cell<T>) -> UnsafeMutablePointer<T> {
// CHECK: bb0([[SELF:%.*]] : $*Cell<T>):
// CHECK: [[RAW_LAYOUT_ADDR:%.*]] = builtin "addressOfRawLayout"<Cell<T>>([[SELF]] : $*Cell<T>) : $Builtin.RawPointer
// CHECK-NEXT: [[POINTER:%.*]] = struct $UnsafeMutablePointer<T> ([[RAW_LAYOUT_ADDR]] : $Builtin.RawPointer)
// CHECK-NEXT: return [[POINTER]] : $UnsafeMutablePointer<T>
// CHECK-LABEL: } // end sil function '$s4CellAAVAARi_zrlE7addressSpyxGvg'
@_transparent
public var address: UnsafeMutablePointer<T> {
.init(Builtin.addressOfRawLayout(self))
}
// CHECK-LABEL: sil {{.*}} @$s4CellAAVAARi_zrlEyAByxGxcfC : $@convention(method) <T where T : ~Copyable> (@in T, @thin Cell<T>.Type) -> @out Cell<T> {
// CHECK: bb0({{%.*}} : $*Cell<T>, [[VALUE:%.*]] : $*T, {{%.*}} : $@thin Cell<T>.Type):
// CHECK: {{%.*}} = builtin "zeroInitializer"<Cell<T>>([[SELF:%.*]] : $*Cell<T>) : $()
// CHECK-NEXT: [[RAW_LAYOUT_ADDR:%.*]] = builtin "addressOfRawLayout"<Cell<T>>([[SELF]] : $*Cell<T>) : $Builtin.RawPointer
// CHECK-NEXT: [[POINTER:%.*]] = struct $UnsafeMutablePointer<T> ([[RAW_LAYOUT_ADDR]] : $Builtin.RawPointer)
// Calling 'UnsafeMutablePointer<T>.initialize(to:)'
// CHECK: {{%.*}} = apply {{%.*}}<T>([[VALUE]], [[POINTER]])
// CHECK-LABEL: } // end sil function '$s4CellAAVAARi_zrlEyAByxGxcfC'
@_transparent
public init(_ value: consuming T) {
address.initialize(to: value)
}
@inlinable
deinit {
address.deinitialize(count: 1)
}
}
|
