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222 lines
7.8 KiB
Swift
222 lines
7.8 KiB
Swift
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// RUN: %target-swift-emit-silgen -parse-as-library %s | %FileCheck %s
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enum Boolish {
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case falsy
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case truthy
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}
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// CHECK-LABEL: sil hidden [ossa] @$s4enum13Boolish_casesyyF
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func Boolish_cases() {
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// CHECK: [[BOOLISH:%[0-9]+]] = metatype $@thin Boolish.Type
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// CHECK-NEXT: [[FALSY:%[0-9]+]] = enum $Boolish, #Boolish.falsy!enumelt
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_ = Boolish.falsy
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// CHECK-NEXT: [[BOOLISH:%[0-9]+]] = metatype $@thin Boolish.Type
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// CHECK-NEXT: [[TRUTHY:%[0-9]+]] = enum $Boolish, #Boolish.truthy!enumelt
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_ = Boolish.truthy
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}
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enum Optionable {
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case nought
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case mere(Int)
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}
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// CHECK-LABEL: sil hidden [ossa] @$s4enum16Optionable_casesyySiF
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func Optionable_cases(_ x: Int) {
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// CHECK: [[METATYPE:%.*]] = metatype $@thin Optionable.Type
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// CHECK: [[FN:%.*]] = function_ref @$s4enum16Optionable_casesyySiFAA0B0OSicADmcfu_
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_ = Optionable.mere
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// CHECK: [[METATYPE:%.*]] = metatype $@thin Optionable.Type
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// CHECK: [[RES:%.*]] = enum $Optionable, #Optionable.mere!enumelt, %0 : $Int
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_ = Optionable.mere(x)
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}
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// CHECK-LABEL: sil private [ossa] @$s4enum16Optionable_casesyySiFAA0B0OSicADmcfu_ : $@convention(thin) (@thin Optionable.Type) -> @owned @callee_guaranteed (Int) -> Optionable
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// CHECK-LABEL: sil private [ossa] @$s4enum16Optionable_casesyySiFAA0B0OSicADmcfu_ADSicfu0_ : $@convention(thin) (Int, @thin Optionable.Type) -> Optionable {
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protocol P {}
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struct S : P {}
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enum AddressOnly {
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case nought
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case mere(P)
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case phantom(S)
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}
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// CHECK-LABEL: sil hidden [ossa] @$s4enum17AddressOnly_casesyyAA1SVF
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func AddressOnly_cases(_ s: S) {
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// CHECK: [[METATYPE:%.*]] = metatype $@thin AddressOnly.Type
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// CHECK: [[FN:%.*]] = function_ref @$s4enum17AddressOnly_casesyyAA1SVFAA0bC0OAA1P_pcAFmcfu_
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// CHECK-NEXT: [[CTOR:%.*]] = apply [[FN]]([[METATYPE]])
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// CHECK-NEXT: destroy_value [[CTOR]]
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_ = AddressOnly.mere
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// CHECK-NEXT: [[METATYPE:%.*]] = metatype $@thin AddressOnly.Type
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// CHECK-NEXT: [[NOUGHT:%.*]] = alloc_stack $AddressOnly
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// CHECK-NEXT: inject_enum_addr [[NOUGHT]]
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// CHECK-NEXT: destroy_addr [[NOUGHT]]
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// CHECK-NEXT: dealloc_stack [[NOUGHT]]
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_ = AddressOnly.nought
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// CHECK-NEXT: [[METATYPE:%.*]] = metatype $@thin AddressOnly.Type
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// CHECK-NEXT: [[P_BUF:%.*]] = alloc_stack $P
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// CHECK-NEXT: [[PAYLOAD_ADDR:%.*]] = init_existential_addr [[P_BUF]]
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// CHECK-NEXT: store %0 to [trivial] [[PAYLOAD_ADDR]]
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// CHECK-NEXT: [[MERE:%.*]] = alloc_stack $AddressOnly
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// CHECK-NEXT: [[PAYLOAD:%.*]] = init_enum_data_addr [[MERE]]
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// CHECK-NEXT: copy_addr [take] [[P_BUF]] to [initialization] [[PAYLOAD]] : $*P
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// CHECK-NEXT: inject_enum_addr [[MERE]]
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// CHECK-NEXT: destroy_addr [[MERE]]
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// CHECK-NEXT: dealloc_stack [[MERE]]
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// CHECK-NEXT: dealloc_stack [[P_BUF]] : $*P
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_ = AddressOnly.mere(s)
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// Address-only enum vs loadable payload
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// CHECK-NEXT: [[METATYPE:%.*]] = metatype $@thin AddressOnly.Type
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// CHECK-NEXT: [[PHANTOM:%.*]] = alloc_stack $AddressOnly
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// CHECK-NEXT: [[PAYLOAD:%.*]] = init_enum_data_addr [[PHANTOM]] : $*AddressOnly, #AddressOnly.phantom!enumelt
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// CHECK-NEXT: store %0 to [trivial] [[PAYLOAD]]
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// CHECK-NEXT: inject_enum_addr [[PHANTOM]] : $*AddressOnly, #AddressOnly.phantom!enumelt
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// CHECK-NEXT: destroy_addr [[PHANTOM]]
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// CHECK-NEXT: dealloc_stack [[PHANTOM]]
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_ = AddressOnly.phantom(s)
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// CHECK: return
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}
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enum PolyOptionable<T> {
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case nought
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case mere(T)
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}
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// CHECK-LABEL: sil hidden [ossa] @$s4enum20PolyOptionable_casesyyxlF
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func PolyOptionable_cases<T>(_ t: T) {
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// CHECK: [[METATYPE:%.*]] = metatype $@thin PolyOptionable<T>.Type
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// CHECK-NEXT: [[NOUGHT:%.*]] = alloc_stack $PolyOptionable<T>
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// CHECK-NEXT: inject_enum_addr [[NOUGHT]]
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// CHECK-NEXT: destroy_addr [[NOUGHT]]
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// CHECK-NEXT: dealloc_stack [[NOUGHT]]
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_ = PolyOptionable<T>.nought
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// CHECK-NEXT: [[METATYPE:%.*]] = metatype $@thin PolyOptionable<T>.Type
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// CHECK-NEXT: [[T_BUF:%.*]] = alloc_stack $T
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// CHECK-NEXT: copy_addr %0 to [initialization] [[T_BUF]]
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// CHECK-NEXT: [[MERE:%.*]] = alloc_stack $PolyOptionable<T>
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// CHECK-NEXT: [[PAYLOAD:%.*]] = init_enum_data_addr [[MERE]]
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// CHECK-NEXT: copy_addr [take] [[T_BUF]] to [initialization] [[PAYLOAD]] : $*T
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// CHECK-NEXT: inject_enum_addr [[MERE]]
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// CHECK-NEXT: destroy_addr [[MERE]]
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// CHECK-NEXT: dealloc_stack [[MERE]]
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// CHECK-NEXT: dealloc_stack [[T_BUF]] : $*T
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_ = PolyOptionable<T>.mere(t)
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// CHECK-NOT: destroy_addr %0
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// CHECK: return
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}
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// The substituted type is loadable and trivial here
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// CHECK-LABEL: sil hidden [ossa] @$s4enum32PolyOptionable_specialized_casesyySiF
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func PolyOptionable_specialized_cases(_ t: Int) {
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// CHECK: [[METATYPE:%.*]] = metatype $@thin PolyOptionable<Int>.Type
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// CHECK-NEXT: [[NOUGHT:%.*]] = enum $PolyOptionable<Int>, #PolyOptionable.nought!enumelt
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_ = PolyOptionable<Int>.nought
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// CHECK-NEXT: [[METATYPE:%.*]] = metatype $@thin PolyOptionable<Int>.Type
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// CHECK-NEXT: [[NOUGHT:%.*]] = enum $PolyOptionable<Int>, #PolyOptionable.mere!enumelt, %0
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_ = PolyOptionable<Int>.mere(t)
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// CHECK: return
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}
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// Regression test for a bug where temporary allocations created as a result of
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// tuple implosion were not deallocated in enum constructors.
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struct String { var ptr: AnyObject }
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enum Foo { case a(P, String) }
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func Foo_cases() {
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_ = Foo.a
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}
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enum Indirect<T> {
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indirect case payload((T, other: T))
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case none
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}
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// CHECK-LABEL: sil{{.*}} @{{.*}}makeIndirectEnum{{.*}} : $@convention(thin) <T> (@in_guaranteed T) -> @owned Indirect<T>
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// CHECK: [[BOX:%.*]] = alloc_box $<τ_0_0> { var (τ_0_0, other: τ_0_0) } <T>
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// CHECK: enum $Indirect<T>, #Indirect.payload!enumelt, [[BOX]] : $<τ_0_0> { var (τ_0_0, other: τ_0_0) } <T>
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func makeIndirectEnum<T>(_ payload: T) -> Indirect<T> {
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return Indirect.payload((payload, other: payload))
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}
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// https://bugs.swift.org/browse/SR-9675
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enum TrailingClosureConcrete {
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case label(fn: () -> Int)
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case noLabel(() -> Int)
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case twoElementsLabel(x: Int, fn: () -> Int)
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case twoElementsNoLabel(_ x: Int, _ fn: () -> Int)
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}
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func useTrailingClosureConcrete() {
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_ = TrailingClosureConcrete.label { 0 }
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_ = TrailingClosureConcrete.noLabel { 0 }
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_ = TrailingClosureConcrete.twoElementsLabel(x: 0) { 0 }
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_ = TrailingClosureConcrete.twoElementsNoLabel(0) { 0 }
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}
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enum TrailingClosureGeneric<T> {
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case label(fn: () -> T)
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case noLabel(() -> T)
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case twoElementsLabel(x: T, fn: () -> T)
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case twoElementsNoLabel(_ x: T, _ fn: () -> T)
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}
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func useTrailingClosureGeneric<T>(t: T) {
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_ = TrailingClosureGeneric<T>.label { t }
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_ = TrailingClosureGeneric<T>.noLabel { t }
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_ = TrailingClosureGeneric<T>.twoElementsLabel(x: t) { t }
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_ = TrailingClosureGeneric<T>.twoElementsNoLabel(t) { t }
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}
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enum SR7799 {
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case one
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case two
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}
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// CHECK-LABEL: sil hidden [ossa] @$s4enum6sr77993baryAA6SR7799OSg_tF : $@convention(thin) (Optional<SR7799>) -> () {
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// CHECK: bb0(%0 : $Optional<SR7799>):
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// CHECK-NEXT: debug_value %0 : $Optional<SR7799>, let, name "bar", argno 1
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// CHECK-NEXT: switch_enum %0 : $Optional<SR7799>, case #Optional.some!enumelt: bb1, default bb4
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// CHECK: bb1([[PHI_ARG:%.*]] : $SR7799):
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// CHECK-NEXT: switch_enum [[PHI_ARG]] : $SR7799, case #SR7799.one!enumelt: bb2, case #SR7799.two!enumelt: bb3
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func sr7799(bar: SR7799?) {
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switch bar {
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case .one: print("one")
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case .two?: print("two")
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default: print("default")
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}
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}
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// CHECK-LABEL: sil hidden [ossa] @$s4enum8sr7799_13baryAA6SR7799OSgSg_tF : $@convention(thin) (Optional<Optional<SR7799>>) -> () {
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// CHECK: bb0(%0 : $Optional<Optional<SR7799>>):
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// CHECK-NEXT: debug_value %0 : $Optional<Optional<SR7799>>, let, name "bar", argno 1
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// CHECK-NEXT: switch_enum %0 : $Optional<Optional<SR7799>>, case #Optional.none!enumelt: bb1, default bb2
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func sr7799_1(bar: SR7799??) {
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switch bar {
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case .none: print("none")
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default: print("default")
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}
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}
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