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46 lines
1.6 KiB
Swift
46 lines
1.6 KiB
Swift
// RUN: %target-swift-frontend -emit-silgen -parse-stdlib %s | FileCheck %s
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struct A {}
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enum Optionable<T> {
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case Summn(T)
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case Nuttn
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}
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// CHECK-LABEL: sil hidden @_TF18switch_abstraction18enum_reabstractionFT1xGOS_10OptionableFVS_1AS1__1aS1__T_ : $@convention(thin) (@owned Optionable<A -> A>, A) -> ()
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// CHECK: switch_enum {{%.*}} : $Optionable<A -> A>, case #Optionable.Summn!enumelt.1: [[DEST:bb[0-9]+]]
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// CHECK: [[DEST]]([[ORIG:%.*]] : $@callee_owned (@out A, @in A) -> ()):
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// CHECK: [[REABSTRACT:%.*]] = function_ref @_TTRXFo_iV18switch_abstraction1A_iS0__XFo_dS0__dS0__
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// CHECK: [[SUBST:%.*]] = partial_apply [[REABSTRACT]]([[ORIG]])
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func enum_reabstraction(#x: Optionable<A -> A>, #a: A) {
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switch x {
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case .Summn(var f):
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f(a)
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case .Nuttn:
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()
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}
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}
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enum Wacky<A, B> {
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case Foo(A)
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case Bar(B -> A)
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}
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// CHECK-LABEL: sil hidden @_TF18switch_abstraction45enum_addr_only_to_loadable_with_reabstractionU__FT1xGOS_5WackyQ_VS_1A_1aS1__Q_ : $@convention(thin) <T> (@out T, @in Wacky<T, A>, A) -> () {
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// CHECK: switch_enum_addr [[ENUM:%.*]] : $*Wacky<T, A>, {{.*}} case #Wacky.Bar!enumelt.1: [[DEST:bb[0-9]+]]
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// CHECK: [[DEST]]:
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// CHECK: [[ORIG_ADDR:%.*]] = unchecked_take_enum_data_addr [[ENUM]] : $*Wacky<T, A>, #Wacky.Bar
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// CHECK: [[ORIG:%.*]] = load [[ORIG_ADDR]]
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// CHECK: [[REABSTRACT:%.*]] = function_ref @_TTRG0_R_XFo_iV18switch_abstraction1A_iq__XFo_dS0__iq__
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// CHECK: [[SUBST:%.*]] = partial_apply [[REABSTRACT]]<T>([[ORIG]])
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func enum_addr_only_to_loadable_with_reabstraction<T>(#x: Wacky<T, A>, #a: A)
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-> T
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{
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switch x {
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case .Foo(var b):
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return b
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case .Bar(var f):
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return f(a)
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}
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}
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