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
|
// RUN: %target-swift-emit-silgen -enable-experimental-feature RawLayout -enable-builtin-module %s | %FileCheck %s
// CHECK: @_rawLayout(size: 4, alignment: 4) struct Lock : ~Copyable
// CHECK: @_rawLayout(like: T) struct Cell<T> : ~Copyable
// CHECK: @_rawLayout(likeArrayOf: T, count: 8) struct SmallVectorBuf<T> : ~Copyable
import Builtin
@_rawLayout(size: 4, alignment: 4)
struct Lock: ~Copyable {
// Raw layout type should be lowered as address only
// CHECK-LABEL: sil {{.*}} @{{.*}}4Lock{{.*}}3foo{{.*}} : $@convention(method) (@in_guaranteed Lock) -> ()
borrowing func foo() {}
// CHECK-LABEL: sil {{.*}} @{{.*}}4Lock{{.*}}3bar{{.*}} : $@convention(method) (@inout Lock) -> ()
mutating func bar() {}
// CHECK-LABEL: sil {{.*}} @{{.*}}4Lock{{.*}}3bas{{.*}} : $@convention(method) (@in Lock) -> ()
consuming func bas() {}
deinit {}
}
@_rawLayout(like: T)
struct Cell<T>: ~Copyable {
// CHECK-LABEL: sil {{.*}} @$s10raw_layout4CellV7addressSpyxGvg : $@convention(method) <T> (@in_guaranteed Cell<T>) -> UnsafeMutablePointer<T> {
// CHECK: {{%.*}} = builtin "addressOfRawLayout"<Cell<T>>({{%.*}} : $*Cell<T>) : $Builtin.RawPointer
// CHECK-LABEL: } // end sil function '$s10raw_layout4CellV7addressSpyxGvg'
var address: UnsafeMutablePointer<T> {
.init(Builtin.addressOfRawLayout(self))
}
init(_ value: consuming T) {
address.initialize(to: value)
}
}
@_rawLayout(likeArrayOf: T, count: 8)
struct SmallVectorBuf<T>: ~Copyable {}
|
