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// RUN: %empty-directory(%t)
// RUN: %target-swift-frontend -emit-module -o %t %S/Inputs/def_implicit_lifetime_dependence.swift \
// RUN: -enable-experimental-feature NonescapableTypes \
// RUN: -disable-lifetime-dependence-diagnostics
// RUN: llvm-bcanalyzer %t/def_implicit_lifetime_dependence.swiftmodule
// RUN: %target-swift-frontend -module-name lifetime-dependence -emit-sil -I %t %s \
// RUN: -enable-experimental-feature NonescapableTypes | %FileCheck %s
import def_implicit_lifetime_dependence
func use(_ x: borrowing BufferView) {}
func mutate(_ x: inout BufferView) {}
func testBasic() {
let a = [Int](repeating: 0, count: 4)
a.withUnsafeBytes {
let view = BufferView($0, a.count)
let derivedView = derive(view)
let consumedView = consumeAndCreate(derivedView)
let borrowedView = borrowAndCreate(consumedView)
use(borrowedView)
}
}
func testInitializers() {
let a = [Int](repeating: 0, count: 4)
a.withUnsafeBytes {
let view1 = BufferView($0, a.count)
let view2 = BufferView(view1)
let view3 = BufferView(view2)
use(view3)
}
}
func unsafetest(_ ptr: UnsafeRawBufferPointer, _ c: Int) {
let view1 = BufferView(ptr, c)
let view2 = BufferView(view1)
let view3 = BufferView(view2)
use(view3)
}
func testGetter() {
let a = [Int](repeating: 0, count: 4)
a.withUnsafeBytes {
let c = Container($0, a.count)
let view = c.view
use(view)
}
}
func testReadMutateAccessors() {
let a = [Int](repeating: 0, count: 4)
a.withUnsafeBytes {
let view = BufferView($0, a.count)
var c = Wrapper(view)
use(c.view)
mutate(&c.view)
}
}
// CHECK: sil @$s32def_implicit_lifetime_dependence6deriveyAA10BufferViewVADYliF : $@convention(thin) (@guaranteed BufferView) -> _inherit(0) @owned BufferView
// CHECK: sil @$s32def_implicit_lifetime_dependence16consumeAndCreateyAA10BufferViewVADnYliF : $@convention(thin) (@owned BufferView) -> _inherit(0) @owned BufferView
// CHECK: sil @$s32def_implicit_lifetime_dependence15borrowAndCreateyAA10BufferViewVADYliF : $@convention(thin) (@guaranteed BufferView) -> _inherit(0) @owned BufferView
// CHECK: sil @$s32def_implicit_lifetime_dependence10BufferViewVyA2ChYlicfC : $@convention(method) (@guaranteed BufferView, @thin BufferView.Type) -> _inherit(0) @owned BufferView
// CHECK: sil @$s32def_implicit_lifetime_dependence9ContainerV4viewAA10BufferViewVvg : $@convention(method) (@guaranteed Container) -> _scope(0) @owned BufferView
// CHECK: sil @$s32def_implicit_lifetime_dependence7WrapperV4viewAA10BufferViewVvr : $@yield_once @convention(method) (@guaranteed Wrapper) -> _inherit(0) @yields @guaranteed BufferView
// CHECK: sil @$s32def_implicit_lifetime_dependence7WrapperV4viewAA10BufferViewVvM : $@yield_once @convention(method) (@inout Wrapper) -> _inherit(0) @yields @inout BufferView
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