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2969c4a7a6
just making them thin. Among other things, this allows us to pass the metatype self value with the swiftself convention, which has various advantages.
78 lines
3.6 KiB
Swift
78 lines
3.6 KiB
Swift
// RUN: %target-swift-frontend -sdk %S/Inputs -I %S/Inputs -enable-source-import %s -emit-silgen | FileCheck %s
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// REQUIRES: objc_interop
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import gizmo
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class X { }
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func onDestruct() { }
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@requires_stored_property_inits
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class SwiftGizmo : Gizmo {
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var x = X()
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// CHECK-LABEL: sil hidden @_TFC12objc_dealloc10SwiftGizmoc
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// CHECK: bb0([[SELF_PARAM:%[0-9]+]] : $SwiftGizmo):
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override init() {
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// CHECK: [[SELF_UNINIT:%[0-9]+]] = mark_uninitialized [derivedselfonly]
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// CHECK-NOT: ref_element_addr
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// CHECK: upcast
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// CHECK-NEXT: super_method
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// CHECK: return
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super.init()
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}
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// CHECK-LABEL: sil hidden @_TFC12objc_dealloc10SwiftGizmoD : $@convention(method) (@owned SwiftGizmo) -> ()
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deinit {
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// CHECK: bb0([[SELF:%[0-9]+]] : $SwiftGizmo):
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// Call onDestruct()
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// CHECK: [[ONDESTRUCT_REF:%[0-9]+]] = function_ref @_TF12objc_dealloc10onDestructFT_T_ : $@convention(thin) () -> ()
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// CHECK: [[ONDESTRUCT_RESULT:%[0-9]+]] = apply [[ONDESTRUCT_REF]]() : $@convention(thin) () -> ()
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onDestruct()
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// Note: don't destroy instance variables
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// CHECK-NOT: ref_element_addr
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// Call super -dealloc.
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// CHECK: [[SUPER_DEALLOC:%[0-9]+]] = super_method [[SELF]] : $SwiftGizmo, #Gizmo.deinit!deallocator.foreign : Gizmo -> () , $@convention(objc_method) (Gizmo) -> ()
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// CHECK: [[SUPER:%[0-9]+]] = upcast [[SELF]] : $SwiftGizmo to $Gizmo
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// CHECK: [[SUPER_DEALLOC_RESULT:%[0-9]+]] = apply [[SUPER_DEALLOC]]([[SUPER]]) : $@convention(objc_method) (Gizmo) -> ()
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// CHECK: [[RESULT:%[0-9]+]] = tuple ()
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// CHECK: return [[RESULT]] : $()
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}
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// Objective-C deallocation deinit thunk (i.e., -dealloc).
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// CHECK-LABEL: sil hidden [thunk] @_TToFC12objc_dealloc10SwiftGizmoD : $@convention(objc_method) (SwiftGizmo) -> ()
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// CHECK: bb0([[SELF:%[0-9]+]] : $SwiftGizmo):
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// CHECK: strong_retain
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// CHECK: [[GIZMO_DTOR:%[0-9]+]] = function_ref @_TFC12objc_dealloc10SwiftGizmoD : $@convention(method) (@owned SwiftGizmo) -> ()
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// CHECK: [[RESULT:%[0-9]+]] = apply [[GIZMO_DTOR]]([[SELF]]) : $@convention(method) (@owned SwiftGizmo) -> ()
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// CHECK: return [[RESULT]] : $()
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// Objective-C IVar initializer (i.e., -.cxx_construct)
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// CHECK-LABEL: sil hidden @_TToFC12objc_dealloc10SwiftGizmoe : $@convention(objc_method) (@owned SwiftGizmo) -> @owned SwiftGizmo
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// CHECK: bb0([[SELF_PARAM:%[0-9]+]] : $SwiftGizmo):
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// CHECK-NEXT: debug_value [[SELF_PARAM]] : $SwiftGizmo, let, name "self"
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// CHECK-NEXT: [[SELF:%[0-9]+]] = mark_uninitialized [rootself] [[SELF_PARAM]] : $SwiftGizmo
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// CHECK: [[XCTOR:%[0-9]+]] = function_ref @_TFC12objc_dealloc1XC
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// CHECK-NEXT: [[XMETA:%[0-9]+]] = metatype $@thick X.Type
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// CHECK-NEXT: [[XOBJ:%[0-9]+]] = apply [[XCTOR]]([[XMETA]]) : $@convention(method) (@thick X.Type) -> @owned X
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// CHECK-NEXT: [[X:%[0-9]+]] = ref_element_addr [[SELF]] : $SwiftGizmo, #SwiftGizmo.x
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// CHECK-NEXT: assign [[XOBJ]] to [[X]] : $*X
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// CHECK-NEXT: return [[SELF]] : $SwiftGizmo
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// Objective-C IVar destroyer (i.e., -.cxx_destruct)
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// CHECK-LABEL: sil hidden @_TToFC12objc_dealloc10SwiftGizmoE : $@convention(objc_method) (SwiftGizmo) -> ()
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// CHECK: bb0([[SELF:%[0-9]+]] : $SwiftGizmo):
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// CHECK-NEXT: debug_value [[SELF]] : $SwiftGizmo, let, name "self"
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// CHECK-NEXT: [[X:%[0-9]+]] = ref_element_addr [[SELF]] : $SwiftGizmo, #SwiftGizmo.x
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// CHECK-NEXT: destroy_addr [[X]] : $*X
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// CHECK-NEXT: [[RESULT:%[0-9]+]] = tuple ()
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// CHECK-NEXT: return [[RESULT]] : $()
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}
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// CHECK-NOT: sil hidden [thunk] @_TToFCSo11SwiftGizmo2E : $@convention(objc_method) (SwiftGizmo2) -> ()
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class SwiftGizmo2 : Gizmo {
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}
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