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// RUN: %target-swift-emit-silgen -parse-as-library %s | %FileCheck %s
enum Boolish {
case falsy
case truthy
}
// CHECK-LABEL: sil hidden [ossa] @$s4enum13Boolish_casesyyF
func Boolish_cases() {
// CHECK: [[BOOLISH:%[0-9]+]] = metatype $@thin Boolish.Type
// CHECK-NEXT: [[FALSY:%[0-9]+]] = enum $Boolish, #Boolish.falsy!enumelt
_ = Boolish.falsy
// CHECK-NEXT: [[BOOLISH:%[0-9]+]] = metatype $@thin Boolish.Type
// CHECK-NEXT: [[TRUTHY:%[0-9]+]] = enum $Boolish, #Boolish.truthy!enumelt
_ = Boolish.truthy
}
enum Optionable {
case nought
case mere(Int)
}
// CHECK-LABEL: sil hidden [ossa] @$s4enum16Optionable_casesyySiF
func Optionable_cases(_ x: Int) {
// CHECK: [[METATYPE:%.*]] = metatype $@thin Optionable.Type
// CHECK: [[FN:%.*]] = function_ref @$s4enum16Optionable_casesyySiFAA0B0OSicADmcfu_
_ = Optionable.mere
// CHECK: [[METATYPE:%.*]] = metatype $@thin Optionable.Type
// CHECK: [[RES:%.*]] = enum $Optionable, #Optionable.mere!enumelt, %0 : $Int
_ = Optionable.mere(x)
}
// CHECK-LABEL: sil private [ossa] @$s4enum16Optionable_casesyySiFAA0B0OSicADmcfu_ : $@convention(thin) (@thin Optionable.Type) -> @owned @callee_guaranteed (Int) -> Optionable
// CHECK-LABEL: sil private [ossa] @$s4enum16Optionable_casesyySiFAA0B0OSicADmcfu_ADSicfu0_ : $@convention(thin) (Int, @thin Optionable.Type) -> Optionable {
protocol P {}
struct S : P {}
enum AddressOnly {
case nought
case mere(P)
case phantom(S)
}
// CHECK-LABEL: sil hidden [ossa] @$s4enum17AddressOnly_casesyyAA1SVF
func AddressOnly_cases(_ s: S) {
// CHECK: [[METATYPE:%.*]] = metatype $@thin AddressOnly.Type
// CHECK: [[FN:%.*]] = function_ref @$s4enum17AddressOnly_casesyyAA1SVFAA0bC0OAA1P_pcAFmcfu_
// CHECK-NEXT: [[CTOR:%.*]] = apply [[FN]]([[METATYPE]])
// CHECK-NEXT: destroy_value [[CTOR]]
_ = AddressOnly.mere
// CHECK-NEXT: [[METATYPE:%.*]] = metatype $@thin AddressOnly.Type
// CHECK-NEXT: [[NOUGHT:%.*]] = alloc_stack $AddressOnly
// CHECK-NEXT: inject_enum_addr [[NOUGHT]]
// CHECK-NEXT: destroy_addr [[NOUGHT]]
// CHECK-NEXT: dealloc_stack [[NOUGHT]]
_ = AddressOnly.nought
// CHECK-NEXT: [[METATYPE:%.*]] = metatype $@thin AddressOnly.Type
// CHECK-NEXT: [[MERE:%.*]] = alloc_stack $AddressOnly
// CHECK-NEXT: [[PAYLOAD:%.*]] = init_enum_data_addr [[MERE]]
// CHECK-NEXT: [[PAYLOAD_ADDR:%.*]] = init_existential_addr [[PAYLOAD]]
// CHECK-NEXT: store %0 to [trivial] [[PAYLOAD_ADDR]]
// CHECK-NEXT: inject_enum_addr [[MERE]]
// CHECK-NEXT: destroy_addr [[MERE]]
// CHECK-NEXT: dealloc_stack [[MERE]]
_ = AddressOnly.mere(s)
// Address-only enum vs loadable payload
// CHECK-NEXT: [[METATYPE:%.*]] = metatype $@thin AddressOnly.Type
// CHECK-NEXT: [[PHANTOM:%.*]] = alloc_stack $AddressOnly
// CHECK-NEXT: [[PAYLOAD:%.*]] = init_enum_data_addr [[PHANTOM]] : $*AddressOnly, #AddressOnly.phantom!enumelt
// CHECK-NEXT: store %0 to [trivial] [[PAYLOAD]]
// CHECK-NEXT: inject_enum_addr [[PHANTOM]] : $*AddressOnly, #AddressOnly.phantom!enumelt
// CHECK-NEXT: destroy_addr [[PHANTOM]]
// CHECK-NEXT: dealloc_stack [[PHANTOM]]
_ = AddressOnly.phantom(s)
// CHECK: return
}
enum PolyOptionable<T> {
case nought
case mere(T)
}
// CHECK-LABEL: sil hidden [ossa] @$s4enum20PolyOptionable_casesyyxlF
func PolyOptionable_cases<T>(_ t: T) {
// CHECK: [[METATYPE:%.*]] = metatype $@thin PolyOptionable<T>.Type
// CHECK-NEXT: [[NOUGHT:%.*]] = alloc_stack $PolyOptionable<T>
// CHECK-NEXT: inject_enum_addr [[NOUGHT]]
// CHECK-NEXT: destroy_addr [[NOUGHT]]
// CHECK-NEXT: dealloc_stack [[NOUGHT]]
_ = PolyOptionable<T>.nought
// CHECK-NEXT: [[METATYPE:%.*]] = metatype $@thin PolyOptionable<T>.Type
// CHECK-NEXT: [[MERE:%.*]] = alloc_stack $PolyOptionable<T>
// CHECK-NEXT: [[PAYLOAD:%.*]] = init_enum_data_addr [[MERE]]
// CHECK-NEXT: copy_addr %0 to [init] [[PAYLOAD]] : $*T
// CHECK-NEXT: inject_enum_addr [[MERE]]
// CHECK-NEXT: destroy_addr [[MERE]]
// CHECK-NEXT: dealloc_stack [[MERE]]
_ = PolyOptionable<T>.mere(t)
// CHECK-NOT: destroy_addr %0
// CHECK: return
}
// The substituted type is loadable and trivial here
// CHECK-LABEL: sil hidden [ossa] @$s4enum32PolyOptionable_specialized_casesyySiF
func PolyOptionable_specialized_cases(_ t: Int) {
// CHECK: [[METATYPE:%.*]] = metatype $@thin PolyOptionable<Int>.Type
// CHECK-NEXT: [[NOUGHT:%.*]] = enum $PolyOptionable<Int>, #PolyOptionable.nought!enumelt
_ = PolyOptionable<Int>.nought
// CHECK-NEXT: [[METATYPE:%.*]] = metatype $@thin PolyOptionable<Int>.Type
// CHECK-NEXT: [[NOUGHT:%.*]] = enum $PolyOptionable<Int>, #PolyOptionable.mere!enumelt, %0
_ = PolyOptionable<Int>.mere(t)
// CHECK: return
}
// Regression test for a bug where temporary allocations created as a result of
// tuple implosion were not deallocated in enum constructors.
struct String { var ptr: AnyObject }
enum Foo { case a(P, String) }
func Foo_cases() {
_ = Foo.a
}
enum Indirect<T> {
indirect case payload((T, other: T))
case none
}
// CHECK-LABEL: sil{{.*}} @{{.*}}makeIndirectEnum{{.*}} : $@convention(thin) <T> (@in_guaranteed T) -> @owned Indirect<T>
// CHECK: [[BOX:%.*]] = alloc_box $<τ_0_0> { var (τ_0_0, other: τ_0_0) } <T>
// CHECK: enum $Indirect<T>, #Indirect.payload!enumelt, [[BOX]] : $<τ_0_0> { var (τ_0_0, other: τ_0_0) } <T>
func makeIndirectEnum<T>(_ payload: T) -> Indirect<T> {
return Indirect.payload((payload, other: payload))
}
// https://github.com/apple/swift/issues/52118
enum TrailingClosureConcrete {
case label(fn: () -> Int)
case noLabel(() -> Int)
case twoElementsLabel(x: Int, fn: () -> Int)
case twoElementsNoLabel(_ x: Int, _ fn: () -> Int)
}
func useTrailingClosureConcrete() {
_ = TrailingClosureConcrete.label { 0 }
_ = TrailingClosureConcrete.noLabel { 0 }
_ = TrailingClosureConcrete.twoElementsLabel(x: 0) { 0 }
_ = TrailingClosureConcrete.twoElementsNoLabel(0) { 0 }
}
enum TrailingClosureGeneric<T> {
case label(fn: () -> T)
case noLabel(() -> T)
case twoElementsLabel(x: T, fn: () -> T)
case twoElementsNoLabel(_ x: T, _ fn: () -> T)
}
func useTrailingClosureGeneric<T>(t: T) {
_ = TrailingClosureGeneric<T>.label { t }
_ = TrailingClosureGeneric<T>.noLabel { t }
_ = TrailingClosureGeneric<T>.twoElementsLabel(x: t) { t }
_ = TrailingClosureGeneric<T>.twoElementsNoLabel(t) { t }
}
// https://github.com/apple/swift/issues/50338
enum OneOrTwo {
case one
case two
}
// CHECK-LABEL: sil hidden [ossa] @$s4enum18matchOptionalEnum13baryAA8OneOrTwoOSg_tF : $@convention(thin) (Optional<OneOrTwo>) -> () {
// CHECK: bb0(%0 : $Optional<OneOrTwo>):
// CHECK-NEXT: debug_value %0 : $Optional<OneOrTwo>, let, name "bar", argno 1
// CHECK-NEXT: switch_enum %0 : $Optional<OneOrTwo>, case #Optional.some!enumelt: bb1, default bb4
// CHECK: bb1([[PHI_ARG:%.*]] : $OneOrTwo):
// CHECK-NEXT: switch_enum [[PHI_ARG]] : $OneOrTwo, case #OneOrTwo.one!enumelt: bb2, case #OneOrTwo.two!enumelt: bb3
func matchOptionalEnum1(bar: OneOrTwo?) {
switch bar {
case .one: print("one")
case .two?: print("two")
default: print("default")
}
}
// CHECK-LABEL: sil hidden [ossa] @$s4enum18matchOptionalEnum23baryAA8OneOrTwoOSgSg_tF : $@convention(thin) (Optional<Optional<OneOrTwo>>) -> () {
// CHECK: bb0(%0 : $Optional<Optional<OneOrTwo>>):
// CHECK-NEXT: debug_value %0 : $Optional<Optional<OneOrTwo>>, let, name "bar", argno 1
// CHECK-NEXT: switch_enum %0 : $Optional<Optional<OneOrTwo>>, case #Optional.none!enumelt: bb1, default bb2
func matchOptionalEnum2(bar: OneOrTwo??) {
switch bar {
case .none: print("none")
default: print("default")
}
}
enum OneTwoOrNone {
case one
case two
var none: Self {
.one
}
}
// CHECK-LABEL: sil hidden [ossa] @$s4enum18matchOptionalEnum33baryAA12OneTwoOrNoneOSg_tF : $@convention(thin) (Optional<OneTwoOrNone>) -> () {
// CHECK: bb0(%0 : $Optional<OneTwoOrNone>):
// CHECK-NEXT: debug_value %0 : $Optional<OneTwoOrNone>, let, name "bar", argno 1
// CHECK-NEXT: switch_enum %0 : $Optional<OneTwoOrNone>, case #Optional.some!enumelt: bb1, case #Optional.none!enumelt: bb4
// CHECK: bb1([[PHI_ARG:%.*]] : $OneTwoOrNone):
// CHECK-NEXT: switch_enum [[PHI_ARG]] : $OneTwoOrNone, case #OneTwoOrNone.one!enumelt: bb2, case #OneTwoOrNone.two!enumelt: bb3
func matchOptionalEnum3(bar: OneTwoOrNone?) {
switch bar {
case .one: print("one")
case .two?: print("two")
case .none: print("none")
default: print("default")
}
}
// Make sure that we handle enum, tuple initialization composed
// correctly. Previously, we leaked down a failure path due to us misusing
// scopes.
enum rdar81817725 {
case localAddress
case setOption(Int, Any)
static func takeAny(_:Any) -> Bool { return true }
static func testSwitchCleanup(syscall: rdar81817725, expectedLevel: Int,
valueMatcher: (Any) -> Bool)
throws -> Bool {
if case .setOption(expectedLevel, let value) = syscall {
return rdar81817725.takeAny(value)
} else {
return false
}
}
}
enum Indirected {
case a
case b
indirect case c(Int)
}
func throwingFunction() throws -> Int { return 0 }
// CHECK-LABEL: sil hidden [ossa] @$s4enum29throwInIndirectConstructorArgAA10IndirectedOyKF
// CHECK: [[BOX:%.*]] = alloc_box ${ var Int }
// CHECK-NEXT: [[PAYLOAD_ADDR:%.*]] = project_box [[BOX]]
// CHECK-NEXT: // function_ref
// CHECK-NEXT: [[FN:%.*]] = function_ref
// CHECK-NEXT: try_apply [[FN]]()
// CHECK: bb1([[RESULT:%.*]] : $Int):
// CHECK-NEXT: store [[RESULT]] to [trivial] [[PAYLOAD_ADDR]]
// CHECK-NEXT: [[ENUM:%.*]] = enum $Indirected, #Indirected.c!enumelt, [[BOX]]
// CHECK-NEXT: return [[ENUM]] : $Indirected
// CHECK: bb2([[ERROR:%.*]] : @owned $any Error):
// CHECK-NEXT: dealloc_box [[BOX]]
// CHECK-NEXT: throw [[ERROR]]
func throwInIndirectConstructorArg() throws -> Indirected {
return .c(try throwingFunction())
}
|
