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116 lines
4.5 KiB
Swift
116 lines
4.5 KiB
Swift
// RUN: %target-swift-frontend -emit-silgen %s | %FileCheck %s
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protocol UID {
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func uid() -> Int
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var clsid: Int { get set }
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var iid: Int { get }
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}
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extension UID {
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var nextCLSID: Int {
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get { return clsid + 1 }
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set { clsid = newValue - 1 }
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}
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}
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protocol ObjectUID : class, UID {}
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extension ObjectUID {
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var secondNextCLSID: Int {
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get { return clsid + 2 }
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set { }
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}
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}
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class Base {}
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// CHECK-LABEL: sil hidden @_T025protocol_class_refinement12getObjectUID{{[_0-9a-zA-Z]*}}F
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func getObjectUID<T: ObjectUID>(x: T) -> (Int, Int, Int, Int) {
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var x = x
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// CHECK: [[XBOX:%.*]] = alloc_box $<τ_0_0 where τ_0_0 : ObjectUID> { var τ_0_0 } <T>
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// CHECK: [[PB:%.*]] = project_box [[XBOX]]
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// -- call x.uid()
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// CHECK: [[READ:%.*]] = begin_access [read] [unknown] [[PB]] : $*T
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// CHECK: [[X:%.*]] = load [copy] [[READ]]
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// CHECK: [[X_TMP:%.*]] = alloc_stack
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// CHECK: store [[X]] to [init] [[X_TMP]]
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// CHECK: [[GET_UID:%.*]] = witness_method $T, #UID.uid!1
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// CHECK: [[UID:%.*]] = apply [[GET_UID]]<T>([[X_TMP]])
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// CHECK: [[X2:%.*]] = load [take] [[X_TMP]]
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// CHECK: destroy_value [[X2]]
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// -- call set x.clsid
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// CHECK: [[WRITE:%.*]] = begin_access [modify] [unknown] [[PB]] : $*T
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// CHECK: [[SET_CLSID:%.*]] = witness_method $T, #UID.clsid!setter.1
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// CHECK: apply [[SET_CLSID]]<T>([[UID]], [[WRITE]])
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x.clsid = x.uid()
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// -- call x.uid()
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// CHECK: [[READ:%.*]] = begin_access [read] [unknown] [[PB]] : $*T
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// CHECK: [[X:%.*]] = load [copy] [[READ]]
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// CHECK: [[X_TMP:%.*]] = alloc_stack
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// CHECK: store [[X]] to [init] [[X_TMP]]
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// CHECK: [[GET_UID:%.*]] = witness_method $T, #UID.uid!1
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// CHECK: [[UID:%.*]] = apply [[GET_UID]]<T>([[X_TMP]])
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// CHECK: [[X2:%.*]] = load [take] [[X_TMP]]
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// CHECK: destroy_value [[X2]]
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// -- call nextCLSID from protocol ext
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// CHECK: [[WRITE:%.*]] = begin_access [modify] [unknown] [[PB]] : $*T
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// CHECK: [[SET_NEXTCLSID:%.*]] = function_ref @_T025protocol_class_refinement3UIDPAAE9nextCLSIDSifs
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// CHECK: apply [[SET_NEXTCLSID]]<T>([[UID]], [[WRITE]])
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x.nextCLSID = x.uid()
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// -- call x.uid()
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// CHECK: [[X1:%.*]] = load [copy] [[PB]]
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// CHECK: [[X:%.*]] = load [copy] [[PB]]
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// CHECK: [[X_TMP:%.*]] = alloc_stack
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// CHECK: store [[X]] to [init] [[X_TMP]]
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// CHECK: [[GET_UID:%.*]] = witness_method $T, #UID.uid!1
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// CHECK: [[UID:%.*]] = apply [[GET_UID]]<T>([[X_TMP]])
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// CHECK: [[X2:%.*]] = load [take] [[X_TMP]]
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// CHECK: destroy_value [[X2]]
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// -- call secondNextCLSID from class-constrained protocol ext
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// CHECK: [[SET_SECONDNEXT:%.*]] = function_ref @_T025protocol_class_refinement9ObjectUIDPAAE15secondNextCLSIDSifs
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// CHECK: apply [[SET_SECONDNEXT]]<T>([[UID]], [[X1]])
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// CHECK: destroy_value [[X1]]
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x.secondNextCLSID = x.uid()
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return (x.iid, x.clsid, x.nextCLSID, x.secondNextCLSID)
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}
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// CHECK-LABEL: sil hidden @_T025protocol_class_refinement16getBaseObjectUID{{[_0-9a-zA-Z]*}}F
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func getBaseObjectUID<T: UID where T: Base>(x: T) -> (Int, Int, Int) {
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var x = x
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// CHECK: [[XBOX:%.*]] = alloc_box $<τ_0_0 where τ_0_0 : Base, τ_0_0 : UID> { var τ_0_0 } <T>
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// CHECK: [[PB:%.*]] = project_box [[XBOX]]
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// -- call x.uid()
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// CHECK: [[READ:%.*]] = begin_access [read] [unknown] [[PB]] : $*T
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// CHECK: [[X:%.*]] = load [copy] [[READ]]
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// CHECK: [[X_TMP:%.*]] = alloc_stack
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// CHECK: store [[X]] to [init] [[X_TMP]]
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// CHECK: [[GET_UID:%.*]] = witness_method $T, #UID.uid!1
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// CHECK: [[UID:%.*]] = apply [[GET_UID]]<T>([[X_TMP]])
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// CHECK: [[X2:%.*]] = load [take] [[X_TMP]]
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// CHECK: destroy_value [[X2]]
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// -- call set x.clsid
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// CHECK: [[WRITE:%.*]] = begin_access [modify] [unknown] [[PB]] : $*T
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// CHECK: [[SET_CLSID:%.*]] = witness_method $T, #UID.clsid!setter.1
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// CHECK: apply [[SET_CLSID]]<T>([[UID]], [[WRITE]])
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x.clsid = x.uid()
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// -- call x.uid()
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// CHECK: [[READ:%.*]] = begin_access [read] [unknown] [[PB]] : $*T
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// CHECK: [[X:%.*]] = load [copy] [[READ]]
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// CHECK: [[X_TMP:%.*]] = alloc_stack
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// CHECK: store [[X]] to [init] [[X_TMP]]
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// CHECK: [[GET_UID:%.*]] = witness_method $T, #UID.uid!1
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// CHECK: [[UID:%.*]] = apply [[GET_UID]]<T>([[X_TMP]])
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// CHECK: [[X2:%.*]] = load [take] [[X_TMP]]
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// CHECK: destroy_value [[X2]]
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// -- call nextCLSID from protocol ext
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// CHECK: [[WRITE:%.*]] = begin_access [modify] [unknown] [[PB]] : $*T
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// CHECK: [[SET_NEXTCLSID:%.*]] = function_ref @_T025protocol_class_refinement3UIDPAAE9nextCLSIDSifs
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// CHECK: apply [[SET_NEXTCLSID]]<T>([[UID]], [[WRITE]])
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x.nextCLSID = x.uid()
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return (x.iid, x.clsid, x.nextCLSID)
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}
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