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74 lines
3.8 KiB
Swift
74 lines
3.8 KiB
Swift
// RUN: %target-swift-frontend -parse-as-library -emit-silgen -disable-objc-attr-requires-foundation-module %s | %FileCheck %s
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@objc protocol P1 {
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@objc optional func method(_ x: Int)
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@objc optional var prop: Int { get }
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@objc optional subscript (i: Int) -> Int { get }
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}
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// CHECK-LABEL: sil hidden @_T017protocol_optional0B13MethodGenericyx1t_tAA2P1RzlF : $@convention(thin) <T where T : P1> (@owned T) -> ()
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func optionalMethodGeneric<T : P1>(t t : T) {
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var t = t
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// CHECK: bb0([[T:%[0-9]+]] : $T):
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// CHECK: [[TBOX:%[0-9]+]] = alloc_box $<τ_0_0 where τ_0_0 : P1> { var τ_0_0 } <T>
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// CHECK: [[PT:%[0-9]+]] = project_box [[TBOX]]
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// CHECK: [[T_BORROW:%.*]] = begin_borrow [[T]]
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// CHECK: [[T_COPY:%.*]] = copy_value [[T_BORROW]]
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// CHECK: store [[T_COPY]] to [init] [[PT]] : $*T
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// CHECK: end_borrow [[T_BORROW]] from [[T]]
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// CHECK: [[OPT_BOX:%[0-9]+]] = alloc_box ${ var Optional<@callee_owned (Int) -> ()> }
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// CHECK: project_box [[OPT_BOX]]
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// CHECK: [[READ:%.*]] = begin_access [read] [unknown] [[PT]] : $*T
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// CHECK: [[T:%[0-9]+]] = load [copy] [[READ]] : $*T
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// CHECK: alloc_stack $Optional<@callee_owned (Int) -> ()>
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// CHECK: dynamic_method_br [[T]] : $T, #P1.method!1.foreign
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var methodRef = t.method
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}
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// CHECK: } // end sil function '_T017protocol_optional0B13MethodGenericyx1t_tAA2P1RzlF'
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// CHECK-LABEL: sil hidden @_T017protocol_optional0B15PropertyGeneric{{[_0-9a-zA-Z]*}}F : $@convention(thin) <T where T : P1> (@owned T) -> ()
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func optionalPropertyGeneric<T : P1>(t t : T) {
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var t = t
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// CHECK: bb0([[T:%[0-9]+]] : $T):
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// CHECK: [[TBOX:%[0-9]+]] = alloc_box $<τ_0_0 where τ_0_0 : P1> { var τ_0_0 } <T>
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// CHECK: [[PT:%[0-9]+]] = project_box [[TBOX]]
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// CHECK: [[T_BORROW:%.*]] = begin_borrow [[T]]
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// CHECK: [[T_COPY:%.*]] = copy_value [[T_BORROW]]
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// CHECK: store [[T_COPY]] to [init] [[PT]] : $*T
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// CHECK: end_borrow [[T_BORROW]] from [[T]]
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// CHECK: [[OPT_BOX:%[0-9]+]] = alloc_box ${ var Optional<Int> }
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// CHECK: project_box [[OPT_BOX]]
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// CHECK: [[READ:%.*]] = begin_access [read] [unknown] [[PT]] : $*T
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// CHECK: [[T:%[0-9]+]] = load [copy] [[READ]] : $*T
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// CHECK: alloc_stack $Optional<Int>
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// CHECK: dynamic_method_br [[T]] : $T, #P1.prop!getter.1.foreign
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var propertyRef = t.prop
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}
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// CHECK: } // end sil function '_T017protocol_optional0B15PropertyGeneric{{[_0-9a-zA-Z]*}}F'
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// CHECK-LABEL: sil hidden @_T017protocol_optional0B16SubscriptGeneric{{[_0-9a-zA-Z]*}}F : $@convention(thin) <T where T : P1> (@owned T) -> ()
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func optionalSubscriptGeneric<T : P1>(t t : T) {
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var t = t
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// CHECK: bb0([[T:%[0-9]+]] : $T):
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// CHECK: [[TBOX:%[0-9]+]] = alloc_box $<τ_0_0 where τ_0_0 : P1> { var τ_0_0 } <T>
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// CHECK: [[PT:%[0-9]+]] = project_box [[TBOX]]
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// CHECK: [[T_BORROW:%.*]] = begin_borrow [[T]]
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// CHECK: [[T_COPY:%.*]] = copy_value [[T_BORROW]]
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// CHECK: store [[T_COPY]] to [init] [[PT]] : $*T
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// CHECK: end_borrow [[T_BORROW]] from [[T]]
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// CHECK: [[OPT_BOX:%[0-9]+]] = alloc_box ${ var Optional<Int> }
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// CHECK: project_box [[OPT_BOX]]
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// CHECK: [[READ:%.*]] = begin_access [read] [unknown] [[PT]] : $*T
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// CHECK: [[T:%[0-9]+]] = load [copy] [[READ]] : $*T
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// CHECK: [[INTCONV:%[0-9]+]] = function_ref @_T0S2i{{[_0-9a-zA-Z]*}}fC
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// CHECK: [[INT64:%[0-9]+]] = metatype $@thin Int.Type
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// CHECK: [[FIVELIT:%[0-9]+]] = integer_literal $Builtin.Int2048, 5
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// CHECK: [[FIVE:%[0-9]+]] = apply [[INTCONV]]([[FIVELIT]], [[INT64]]) : $@convention(method) (Builtin.Int2048, @thin Int.Type) -> Int
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// CHECK: alloc_stack $Optional<Int>
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// CHECK: dynamic_method_br [[T]] : $T, #P1.subscript!getter.1.foreign
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var subscriptRef = t[5]
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}
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// CHECK: } // end sil function '_T017protocol_optional0B16SubscriptGeneric{{[_0-9a-zA-Z]*}}F'
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