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// RUN: %target-swift-emit-silgen %s -disable-objc-attr-requires-foundation-module -enable-objc-interop | %FileCheck %s
struct X { }
// Initializer delegation within a struct.
struct S {
// CHECK-LABEL: sil hidden [ossa] @$s19init_ref_delegation1SV{{[_0-9a-zA-Z]*}}fC : $@convention(method) (@thin S.Type) -> S {
init() {
// CHECK: bb0([[SELF_META:%[0-9]+]] : $@thin S.Type):
// CHECK-NEXT: [[SELF_BOX:%[0-9]+]] = alloc_box ${ var S }
// CHECK-NEXT: [[MARKED_SELF_BOX:%[0-9]+]] = mark_uninitialized [delegatingself] [[SELF_BOX]]
// CHECK-NEXT: [[MARKED_SELF_LIFETIME:%.*]] = begin_borrow [var_decl] [[MARKED_SELF_BOX]]
// CHECK-NEXT: [[PB:%.*]] = project_box [[MARKED_SELF_LIFETIME]]
// CHECK-NEXT: [[X_META:%[0-9]+]] = metatype $@thin X.Type
// CHECK: [[X_CTOR:%[0-9]+]] = function_ref @$s19init_ref_delegation1XV{{[_0-9a-zA-Z]*}}fC : $@convention(method) (@thin X.Type) -> X
// CHECK-NEXT: [[X:%[0-9]+]] = apply [[X_CTOR]]([[X_META]]) : $@convention(method) (@thin X.Type) -> X
// CHECK: [[S_DELEG_INIT:%[0-9]+]] = function_ref @$s19init_ref_delegation1SV{{[_0-9a-zA-Z]*}}fC : $@convention(method) (X, @thin S.Type) -> S
// CHECK-NEXT: [[REPLACEMENT_SELF:%[0-9]+]] = apply [[S_DELEG_INIT]]([[X]], [[SELF_META]]) : $@convention(method) (X, @thin S.Type) -> S
self.init(x: X())
// CHECK-NEXT: assign [[REPLACEMENT_SELF]] to [[PB]] : $*S
// CHECK-NEXT: [[SELF_BOX1:%[0-9]+]] = load [trivial] [[PB]] : $*S
// CHECK-NEXT: end_borrow [[MARKED_SELF_LIFETIME]]
// CHECK-NEXT: destroy_value [[MARKED_SELF_BOX]] : ${ var S }
// CHECK-NEXT: return [[SELF_BOX1]] : $S
}
init(x: X) { }
}
// Initializer delegation within an enum
enum E {
// We don't want the enum to be uninhabited
case Foo
// CHECK-LABEL: sil hidden [ossa] @$s19init_ref_delegation1EO{{[_0-9a-zA-Z]*}}fC : $@convention(method) (@thin E.Type) -> E
init() {
// CHECK: bb0([[E_META:%[0-9]+]] : $@thin E.Type):
// CHECK: [[E_BOX:%[0-9]+]] = alloc_box ${ var E }
// CHECK: [[MARKED_E_BOX:%[0-9]+]] = mark_uninitialized [delegatingself] [[E_BOX]]
// CHECK: [[MARKED_E_LIFETIME:%.*]] = begin_borrow [var_decl] [[MARKED_E_BOX]]
// CHECK: [[PB:%.*]] = project_box [[MARKED_E_LIFETIME]]
// CHECK: [[X_META:%[0-9]+]] = metatype $@thin X.Type
// CHECK: [[E_DELEG_INIT:%[0-9]+]] = function_ref @$s19init_ref_delegation1XV{{[_0-9a-zA-Z]*}}fC : $@convention(method) (@thin X.Type) -> X
// CHECK: [[X:%[0-9]+]] = apply [[E_DELEG_INIT]]([[X_META]]) : $@convention(method) (@thin X.Type) -> X
// CHECK: [[X_INIT:%[0-9]+]] = function_ref @$s19init_ref_delegation1EO{{[_0-9a-zA-Z]*}}fC : $@convention(method) (X, @thin E.Type) -> E
// CHECK: [[S:%[0-9]+]] = apply [[X_INIT]]([[X]], [[E_META]]) : $@convention(method) (X, @thin E.Type) -> E
// CHECK: assign [[S:%[0-9]+]] to [[PB]] : $*E
// CHECK: [[E_BOX1:%[0-9]+]] = load [trivial] [[PB]] : $*E
self.init(x: X())
// CHECK: destroy_value [[MARKED_E_BOX]] : ${ var E }
// CHECK: return [[E_BOX1:%[0-9]+]] : $E
}
init(x: X) { }
}
// Initializer delegation to a generic initializer
struct S2 {
// CHECK-LABEL: sil hidden [ossa] @$s19init_ref_delegation2S2V{{[_0-9a-zA-Z]*}}fC : $@convention(method) (@thin S2.Type) -> S2
init() {
// CHECK: bb0([[S2_META:%[0-9]+]] : $@thin S2.Type):
// CHECK: [[SELF_BOX:%[0-9]+]] = alloc_box ${ var S2 }
// CHECK: [[MARKED_SELF_BOX:%[0-9]+]] = mark_uninitialized [delegatingself] [[SELF_BOX]]
// CHECK: [[MARKED_SELF_LIFETIME:%.*]] = begin_borrow [var_decl] [[MARKED_SELF_BOX]]
// CHECK: [[PB:%.*]] = project_box [[MARKED_SELF_LIFETIME]]
// CHECK: [[X_META:%[0-9]+]] = metatype $@thin X.Type
// CHECK: [[X_INIT:%[0-9]+]] = function_ref @$s19init_ref_delegation1XV{{[_0-9a-zA-Z]*}}fC : $@convention(method) (@thin X.Type) -> X
// CHECK: [[X:%[0-9]+]] = apply [[X_INIT]]([[X_META]]) : $@convention(method) (@thin X.Type) -> X
// CHECK: [[X_BOX:%[0-9]+]] = alloc_stack $X
// CHECK: store [[X]] to [trivial] [[X_BOX]] : $*X
// CHECK: [[S2_DELEG_INIT:%[0-9]+]] = function_ref @$s19init_ref_delegation2S2V{{[_0-9a-zA-Z]*}}fC : $@convention(method) <τ_0_0> (@in τ_0_0, @thin S2.Type) -> S2
// CHECK: [[SELF_BOX1:%[0-9]+]] = apply [[S2_DELEG_INIT]]<X>([[X_BOX]], [[S2_META]]) : $@convention(method) <τ_0_0> (@in τ_0_0, @thin S2.Type) -> S2
// CHECK: dealloc_stack [[X_BOX]] : $*X
// CHECK: assign [[SELF_BOX1]] to [[PB]] : $*S2
// CHECK: [[SELF_BOX4:%[0-9]+]] = load [trivial] [[PB]] : $*S2
self.init(t: X())
// CHECK: destroy_value [[MARKED_SELF_BOX]] : ${ var S2 }
// CHECK: return [[SELF_BOX4]] : $S2
}
init<T>(t: T) { }
}
class C1 {
var ivar: X
// CHECK-LABEL: sil hidden [ossa] @$s19init_ref_delegation2C1C{{[_0-9a-zA-Z]*}}fC
convenience init(x: X) {
// CHECK: bb0([[X:%[0-9]+]] : $X, [[SELF_META:%[0-9]+]] : $@thick C1.Type):
// CHECK: [[SELF_BOX:%[0-9]+]] = alloc_box ${ var C1 }
// CHECK: [[MARKED_SELF_BOX:%[0-9]+]] = mark_uninitialized [delegatingself] [[SELF_BOX]]
// CHECK: [[SELF_LIFETIME:%[^,]+]] = begin_borrow [lexical] [var_decl] [[MARKED_SELF_BOX]]
// CHECK: [[PB:%.*]] = project_box [[SELF_LIFETIME]]
// CHECK: [[DELEG_INIT:%[0-9]+]] = class_method [[SELF_META]] : $@thick C1.Type, #C1.init!allocator
// CHECK: [[SELFP:%[0-9]+]] = apply [[DELEG_INIT]]([[X]], [[X]], [[SELF_META]])
// CHECK: assign [[SELFP]] to [[PB]]
// CHECK: [[SELFP:%[0-9]+]] = load [copy] [[PB]] : $*C1
// CHECK: end_borrow [[SELF_LIFETIME]]
// CHECK: destroy_value [[MARKED_SELF_BOX]] : ${ var C1 }
// CHECK: return [[SELFP]] : $C1
self.init(x1: x, x2: x)
}
init(x1: X, x2: X) { ivar = x1 }
}
@objc class C2 {
var ivar: X
// CHECK-LABEL: sil hidden [ossa] @$s19init_ref_delegation2C2C{{[_0-9a-zA-Z]*}}fC
convenience init(x: X) {
// CHECK: bb0([[X:%[0-9]+]] : $X, [[SELF_META:%[0-9]+]] : $@thick C2.Type):
// CHECK: [[SELF_BOX:%[0-9]+]] = alloc_box ${ var C2 }
// CHECK: [[MARKED_SELF_BOX:%[0-9]+]] = mark_uninitialized [delegatingself] [[SELF_BOX]]
// CHECK: [[SELF_LIFETIME:%[^,]+]] = begin_borrow [lexical] [var_decl] [[MARKED_SELF_BOX]]
// CHECK: [[PB_SELF:%.*]] = project_box [[SELF_LIFETIME]]
// CHECK: [[DELEG_INIT:%[0-9]+]] = class_method [[SELF_META]] : $@thick C2.Type, #C2.init!allocator
// CHECK: [[REPLACE_SELF:%[0-9]+]] = apply [[DELEG_INIT]]([[X]], [[X]], [[SELF_META]])
// CHECK: assign [[REPLACE_SELF]] to [[PB_SELF]] : $*C2
// CHECK: [[VAR_15:%[0-9]+]] = load [copy] [[PB_SELF]] : $*C2
// CHECK: end_borrow [[SELF_LIFETIME]]
// CHECK: destroy_value [[MARKED_SELF_BOX]] : ${ var C2 }
// CHECK: return [[VAR_15]] : $C2
self.init(x1: x, x2: x)
// CHECK-NOT: sil hidden [ossa] @$s19init_ref_delegation2C2C{{[_0-9a-zA-Z]*}}fcTo : $@convention(objc_method) (X, @owned C2) -> @owned C2 {
}
// CHECK-LABEL: sil hidden [exact_self_class] [ossa] @$s19init_ref_delegation2C2C{{[_0-9a-zA-Z]*}}fC : $@convention(method) (X, X, @thick C2.Type) -> @owned C2 {
// CHECK-NOT: sil {{.*}} @$s19init_ref_delegation2C2C{{[_0-9a-zA-Z]*}}fcTo : $@convention(objc_method) (X, X, @owned C2) -> @owned C2 {
init(x1: X, x2: X) { ivar = x1 }
}
var x: X = X()
class C3 {
var i: Int = 5
// CHECK-LABEL: sil hidden [ossa] @$s19init_ref_delegation2C3C{{[_0-9a-zA-Z]*}}fC
convenience init() {
// CHECK: mark_uninitialized [delegatingself]
// CHECK-NOT: integer_literal
// CHECK: class_method [[SELF:%[0-9]+]] : $@thick C3.Type, #C3.init!allocator
// CHECK-NOT: integer_literal
// CHECK: return
self.init(x: x)
}
init(x: X) { }
}
// Initializer delegation from a constructor defined in an extension.
class C4 { }
extension C4 {
convenience init(x1: X) {
self.init()
}
// CHECK: sil hidden [ossa] @$s19init_ref_delegation2C4C{{[_0-9a-zA-Z]*}}fC
// CHECK: [[PEER:%[0-9]+]] = function_ref @$s19init_ref_delegation2C4C{{[_0-9a-zA-Z]*}}fC
// CHECK: apply [[PEER]]([[X:%[0-9]+]], [[META:%[0-9]+]])
convenience init(x2: X) {
self.init(x1: x2)
}
}
// Initializer delegation to a constructor defined in a protocol extension.
protocol Pb {
init()
}
extension Pb {
init(d: Int) { }
}
class Sn : Pb {
required init() { }
convenience init(d3: Int) {
self.init(d: d3)
}
}
// Same as above but for a value type.
struct Cs : Pb {
init() { }
init(d3: Int) {
self.init(d: d3)
}
}
|
