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// RUN: %target-swift-emit-silgen %s | %FileCheck %s
@propertyWrapper
struct Wrapper<T> {
var wrappedValue: T
var projectedValue: Wrapper { self }
// CHECK-LABEl: sil hidden [ossa] @$s22property_wrapper_local7WrapperV12wrappedValueACyxGx_tcfC : $@convention(method) <T> (@in T, @thin Wrapper<T>.Type) -> @out Wrapper<T>
init(wrappedValue: T) {
self.wrappedValue = wrappedValue
}
}
func testLocalWrapper() {
// CHECK-LABEL: sil hidden [ossa] @$s22property_wrapper_local16testLocalWrapperyyF : $@convention(thin) () -> () {
@Wrapper var value: Int
// CHECK: [[A:%.*]] = alloc_box ${ var Wrapper<Int> }, var, name "_value"
// CHECK: [[W:%.*]] = mark_uninitialized [var] [[A]] : ${ var Wrapper<Int> }
// CHECK: [[WLIFETIME:%.*]] = begin_borrow [var_decl] [[W]]
// CHECK: [[P:%.*]] = project_box [[WLIFETIME]] : ${ var Wrapper<Int> }
value = 10
// CHECK: [[I:%.*]] = function_ref @$s22property_wrapper_local16testLocalWrapperyyF5valueL_SivpfP : $@convention(thin) (Int) -> Wrapper<Int>
// CHECK: [[IPA:%.*]] = partial_apply [callee_guaranteed] [[I]]() : $@convention(thin) (Int) -> Wrapper<Int>
// CHECK: [[S:%.*]] = function_ref @$s22property_wrapper_local16testLocalWrapperyyF5valueL_Sivs : $@convention(thin) (Int, @guaranteed { var Wrapper<Int> }) -> ()
// CHECK-NEXT: [[C:%.*]] = copy_value [[WLIFETIME]] : ${ var Wrapper<Int> }
// CHECK-NOT: mark_function_escape
// CHECK-NEXT: [[SPA:%.*]] = partial_apply [callee_guaranteed] [on_stack] [[S]]([[C]]) : $@convention(thin) (Int, @guaranteed { var Wrapper<Int> }) -> ()
// CHECK-NEXT: assign_by_wrapper {{%.*}} : $Int to [[P]] : $*Wrapper<Int>, init [[IPA]] : $@callee_guaranteed (Int) -> Wrapper<Int>, set [[SPA]] : $@noescape @callee_guaranteed (Int) -> ()
_ = value
// CHECK: mark_function_escape [[P]] : $*Wrapper<Int>
// CHECK-LABEL: function_ref @$s22property_wrapper_local16testLocalWrapperyyF5valueL_Sivg : $@convention(thin) (@guaranteed { var Wrapper<Int> }) -> Int
_ = $value
// CHECK: mark_function_escape [[P]] : $*Wrapper<Int>
// CHECK-LABEL: function_ref @$s22property_wrapper_local16testLocalWrapperyyF6$valueL_AA0F0VySiGvg : $@convention(thin) (@guaranteed { var Wrapper<Int> }) -> Wrapper<Int>
// Check that the wrapped value is materialized to a temporary when used as `inout`
value += 5
// CHECK: [[TMP:%.*]] = alloc_stack $Int
// CHECK: [[GET:%.*]] = function_ref @$s22property_wrapper_local16testLocalWrapperyyF5valueL_Sivg : $@convention(thin) (@guaranteed { var Wrapper<Int> }) -> Int
// CHECK: [[VAL:%.*]] = apply [[GET]]({{%.*}}) : $@convention(thin) (@guaranteed { var Wrapper<Int> }) -> Int
// CHECK: store [[VAL]] to [trivial] [[TMP]] : $*Int
// CHECK: [[OP:%.*]] = function_ref @$sSi2peoiyySiz_SitFZ : $@convention(method) (@inout Int, Int, @thin Int.Type) -> ()
// CHECK: apply [[OP]]({{%.*}}) : $@convention(method) (@inout Int, Int, @thin Int.Type) -> ()
// CHECK: [[RESULT:%.*]] = load [trivial] [[TMP]] : $*Int
// CHECK: assign_by_wrapper [[RESULT]] : $Int to [[P]]
// Check local property wrapper backing initializer and accessors
// property wrapper backing initializer of value #1 in testLocalWrapper()
// CHECK-LABEL: sil private [ossa] @$s22property_wrapper_local16testLocalWrapperyyF5valueL_SivpfP : $@convention(thin) (Int) -> Wrapper<Int> {
// getter of $value #1 in testLocalWrapper()
// CHECK-LABEL: sil private [ossa] @$s22property_wrapper_local16testLocalWrapperyyF6$valueL_AA0F0VySiGvg : $@convention(thin) (@guaranteed { var Wrapper<Int> }) -> Wrapper<Int> {
// getter of value #1 in testLocalWrapper()
// CHECK-LABEL: sil private [ossa] @$s22property_wrapper_local16testLocalWrapperyyF5valueL_Sivg : $@convention(thin) (@guaranteed { var Wrapper<Int> }) -> Int {
// setter of value #1 in testLocalWrapper()
// CHECK-LABEL: sil private [ossa] @$s22property_wrapper_local16testLocalWrapperyyF5valueL_Sivs : $@convention(thin) (Int, @guaranteed { var Wrapper<Int> }) -> () {
}
func testInitialValue() {
// CHECK-LABEL: sil hidden [ossa] @$s22property_wrapper_local16testInitialValueyyF : $@convention(thin) () -> () {
@Wrapper var value: Int = 10
// CHECK: function_ref @$s22property_wrapper_local7WrapperV12wrappedValueACyxGx_tcfC : $@convention(method) <τ_0_0> (@in τ_0_0, @thin Wrapper<τ_0_0>.Type) -> @out Wrapper<τ_0_0>
value = 15
// CHECK: function_ref @$s22property_wrapper_local16testInitialValueyyF5valueL_Sivs : $@convention(thin) (Int, @guaranteed { var Wrapper<Int> }) -> ()
// CHECK-NOT: assign_by_wrapper
value += 5
// CHECK: function_ref @$sSi2peoiyySiz_SitFZ : $@convention(method) (@inout Int, Int, @thin Int.Type) -> ()
// CHECK: function_ref @$s22property_wrapper_local16testInitialValueyyF5valueL_Sivs : $@convention(thin) (Int, @guaranteed { var Wrapper<Int> }) -> ()
// CHECK-NOT: assign_by_wrapper
// CHECK: return
}
@propertyWrapper
enum Lazy<Value> {
case uninitialized(() -> Value)
case initialized(Value)
// CHECK-LABEL: sil hidden [ossa] @$s22property_wrapper_local4LazyO12wrappedValueACyxGxyXA_tcfC : $@convention(method) <Value> (@owned @callee_guaranteed @substituted <τ_0_0> () -> @out τ_0_0 for <Value>, @thin Lazy<Value>.Type) -> @out Lazy<Value>
init(wrappedValue initialValue: @autoclosure @escaping () -> Value) {
self = .uninitialized(initialValue)
}
var wrappedValue: Value {
mutating get {
switch self {
case .uninitialized(let initializer):
let value = initializer()
self = .initialized(value)
return value
case .initialized(let value):
return value
}
}
set {
self = .initialized(newValue)
}
}
}
func testLocalLazy() {
// CHECK-LABEL: sil hidden [ossa] @$s22property_wrapper_local13testLocalLazyyyF : $@convention(thin) () -> () {
@Lazy var value = "hello!"
// CHECK: function_ref @$s22property_wrapper_local13testLocalLazyyyFSSycfu_ :
// CHECK: [[I:%.*]] = function_ref @$s22property_wrapper_local4LazyO12wrappedValueACyxGxyXA_tcfC : $@convention(method) <τ_0_0> (@owned @callee_guaranteed @substituted <τ_0_0> () -> @out τ_0_0 for <τ_0_0>, @thin Lazy<τ_0_0>.Type) -> @out Lazy<τ_0_0>
//CHECK: apply [[I]]<String>
_ = value
// CHECK: function_ref @$s22property_wrapper_local13testLocalLazyyyF5valueL_SSvg : $@convention(thin) (@guaranteed { var Lazy<String> }) -> @owned String
// getter of value #1 in testLocalLazy()
// CHECK-LABEL: sil private [ossa] @$s22property_wrapper_local13testLocalLazyyyF5valueL_SSvg : $@convention(thin) (@guaranteed { var Lazy<String> }) -> @owned String {
// CHECK: function_ref @$s22property_wrapper_local4LazyO12wrappedValuexvg : $@convention(method) <τ_0_0> (@inout Lazy<τ_0_0>) -> @out τ_0_0
}
@propertyWrapper
struct BoundedNumber<T: Numeric & Comparable> {
private let min:T
private let max:T
var value:T
var wrappedValue: T {
get { value }
set {
if value < min {
value = min
} else if value > max {
value = max
}
}
}
// CHECK-LABEL: sil hidden [ossa] @$s22property_wrapper_local13BoundedNumberV12wrappedValue3min3maxACyxGx_xxtcfC : $@convention(method) <T where T : Comparable, T : Numeric> (@in T, @in T, @in T, @thin BoundedNumber<T>.Type) -> @out BoundedNumber<T>
init(wrappedValue: T, min: T, max: T) {
self.min = min
self.max = max
if wrappedValue < min {
self.value = min
} else if wrappedValue > max {
self.value = max
} else {
self.value = wrappedValue
}
}
}
func testLocalReference(count: Int) {
// CHECK-LABEL: sil hidden [ossa] @$s22property_wrapper_local18testLocalReference5countySi_tF : $@convention(thin) (Int) -> ()
@BoundedNumber(min: 0, max: count) var value = 10
// CHECK: function_ref @$s22property_wrapper_local13BoundedNumberV12wrappedValue3min3maxACyxGx_xxtcfC : $@convention(method) <τ_0_0 where τ_0_0 : Comparable, τ_0_0 : Numeric> (@in τ_0_0, @in τ_0_0, @in τ_0_0, @thin BoundedNumber<τ_0_0>.Type) -> @out BoundedNumber<τ_0_0>
_ = value
// CHECK: function_ref @$s22property_wrapper_local18testLocalReference5countySi_tF5valueL_Sivg : $@convention(thin) (@guaranteed { var BoundedNumber<Int> }) -> Int
value = count
// CHECK: function_ref @$s22property_wrapper_local18testLocalReference5countySi_tF5valueL_Sivs : $@convention(thin) (Int, @guaranteed { var BoundedNumber<Int> }) -> ()
// getter of value #1 in testLocalReference(count:)
// CHECK: sil private [ossa] @$s22property_wrapper_local18testLocalReference5countySi_tF5valueL_Sivg : $@convention(thin) (@guaranteed { var BoundedNumber<Int> }) -> Int
// setter of value #1 in testLocalReference(count:)
// CHECK: sil private [ossa] @$s22property_wrapper_local18testLocalReference5countySi_tF5valueL_Sivs : $@convention(thin) (Int, @guaranteed { var BoundedNumber<Int> }) -> ()
}
func takesAutoclosure(_: @autoclosure () -> Int) {}
// CHECK-LABEL: sil hidden [ossa] @$s22property_wrapper_local12testCapturesyyF : $@convention(thin) () -> ()
func testCaptures() {
@Wrapper var value = 10
takesAutoclosure(value)
// implicit closure #1 in testCaptures()
// CHECK-LABEL: sil private [transparent] [ossa] @$s22property_wrapper_local12testCapturesyyFSiyXEfu_ : $@convention(thin) (@guaranteed { var Wrapper<Int> }) -> Int
let _: () -> Void = {
_ = value
value = 100
}
// closure #1 in testCaptures()
// CHECK-LABEL: sil private [ossa] @$s22property_wrapper_local12testCapturesyyFyycfU_ : $@convention(thin) (@guaranteed { var Wrapper<Int> }) -> ()
}
@propertyWrapper
struct DefaultInit {
var wrappedValue: Int
// CHECK-LABEL: sil hidden [ossa] @$s22property_wrapper_local11DefaultInitVACycfC : $@convention(method) (@thin DefaultInit.Type) -> DefaultInit
init() {
self.wrappedValue = 0
}
// CHECK-LABEL: sil hidden [ossa] @$s22property_wrapper_local11DefaultInitV5valueACSi_tcfC : $@convention(method) (Int, @thin DefaultInit.Type) -> DefaultInit
init(value: Int) {
self.wrappedValue = value
}
}
@propertyWrapper
struct DefaultWrappedValue {
// CHECK-LABEL: sil hidden [ossa] @$s22property_wrapper_local19DefaultWrappedValueVACycfC : $@convention(method) (@thin DefaultWrappedValue.Type) -> DefaultWrappedValue
var wrappedValue: Int = 10
}
// CHECK-LABEL: sil hidden [ossa] @$s22property_wrapper_local20testLocalDefaultInityyF : $@convention(thin) () -> ()
func testLocalDefaultInit() {
// CHECK: function_ref @$s22property_wrapper_local11DefaultInitVACycfC : $@convention(method) (@thin DefaultInit.Type) -> DefaultInit
@DefaultInit var x: Int
// CHECK: function_ref @$s22property_wrapper_local11DefaultInitV5valueACSi_tcfC : $@convention(method) (Int, @thin DefaultInit.Type) -> DefaultInit
@DefaultInit(value: 10) var z: Int
// CHECK: function_ref @$s22property_wrapper_local11DefaultInitVACycfC : $@convention(method) (@thin DefaultInit.Type) -> DefaultInit
@DefaultInit() var y: Int
// CHECK: function_ref @$s22property_wrapper_local19DefaultWrappedValueVACycfC : $@convention(method) (@thin DefaultWrappedValue.Type) -> DefaultWrappedValue
@DefaultWrappedValue var w: Int
}
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