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|
// RUN: %target-swift-emit-silgen -module-name generic_closures -parse-stdlib %s | %FileCheck %s
import Swift
var zero: Int
// CHECK-LABEL: sil hidden [ossa] @$s16generic_closures0A21_nondependent_context{{[_0-9a-zA-Z]*}}F
func generic_nondependent_context<T>(_ x: T, y: Int) -> Int {
func foo() -> Int { return y }
func bar() -> Int { return y }
// CHECK: [[FOO:%.*]] = function_ref @$s16generic_closures0A21_nondependent_context{{.*}} : $@convention(thin) (Int) -> Int
// CHECK: [[FOO_CLOSURE:%.*]] = partial_apply [callee_guaranteed] [[FOO]](%1)
// CHECK: destroy_value [[FOO_CLOSURE]]
let _ = foo
// CHECK: [[BAR:%.*]] = function_ref @$s16generic_closures0A21_nondependent_context{{.*}} : $@convention(thin) (Int) -> Int
// CHECK: [[BAR_CLOSURE:%.*]] = partial_apply [callee_guaranteed] [[BAR]](%1)
// CHECK: destroy_value [[BAR_CLOSURE]]
let _ = bar
// CHECK: [[FOO:%.*]] = function_ref @$s16generic_closures0A21_nondependent_context{{.*}} : $@convention(thin) (Int) -> Int
// CHECK: [[FOO_CLOSURE:%.*]] = apply [[FOO]]
_ = foo()
// CHECK: [[BAR:%.*]] = function_ref @$s16generic_closures0A21_nondependent_context{{.*}} : $@convention(thin) (Int) -> Int
// CHECK: [[BAR_CLOSURE:%.*]] = apply [[BAR]]
// CHECK: [[BAR_CLOSURE]]
return bar()
}
// CHECK-LABEL: sil hidden [ossa] @$s16generic_closures0A8_capture{{[_0-9a-zA-Z]*}}F
func generic_capture<T>(_ x: T) -> Any.Type {
func foo() -> Any.Type { return T.self }
// CHECK: [[FOO:%.*]] = function_ref @$s16generic_closures0A8_capture{{.*}} : $@convention(thin) <τ_0_0> () -> @thick any Any.Type
// CHECK: [[FOO_CLOSURE:%.*]] = partial_apply [callee_guaranteed] [[FOO]]<T>()
// CHECK: destroy_value [[FOO_CLOSURE]]
let _ = foo
// CHECK: [[FOO:%.*]] = function_ref @$s16generic_closures0A8_capture{{.*}} : $@convention(thin) <τ_0_0> () -> @thick any Any.Type
// CHECK: [[FOO_CLOSURE:%.*]] = apply [[FOO]]<T>()
// CHECK: return [[FOO_CLOSURE]]
return foo()
}
// CHECK-LABEL: sil hidden [ossa] @$s16generic_closures0A13_capture_cast{{[_0-9a-zA-Z]*}}F
func generic_capture_cast<T>(_ x: T, y: Any) -> Bool {
func foo(_ a: Any) -> Bool { return a is T }
// CHECK: [[FOO:%.*]] = function_ref @$s16generic_closures0A13_capture_cast{{.*}} : $@convention(thin) <τ_0_0> (@in_guaranteed Any) -> Bool
// CHECK: [[FOO_CLOSURE:%.*]] = partial_apply [callee_guaranteed] [[FOO]]<T>()
// CHECK: destroy_value [[FOO_CLOSURE]]
let _ = foo
// CHECK: [[FOO:%.*]] = function_ref @$s16generic_closures0A13_capture_cast{{.*}} : $@convention(thin) <τ_0_0> (@in_guaranteed Any) -> Bool
// CHECK: [[FOO_CLOSURE:%.*]] = apply [[FOO]]<T>([[ARG:%.*]])
// CHECK: return [[FOO_CLOSURE]]
return foo(y)
}
protocol Concept {
var sensical: Bool { get }
}
// CHECK-LABEL: sil hidden [ossa] @$s16generic_closures0A22_nocapture_existential{{[_0-9a-zA-Z]*}}F
func generic_nocapture_existential<T>(_ x: T, y: Concept) -> Bool {
func foo(_ a: Concept) -> Bool { return a.sensical }
// CHECK: [[FOO:%.*]] = function_ref @$s16generic_closures0A22_nocapture_existential{{.*}} : $@convention(thin) (@in_guaranteed any Concept) -> Bool
// CHECK: [[FOO_CLOSURE:%.*]] = thin_to_thick_function [[FOO]]
let _ = foo
// CHECK: [[FOO:%.*]] = function_ref @$s16generic_closures0A22_nocapture_existential{{.*}} : $@convention(thin) (@in_guaranteed any Concept) -> Bool
// CHECK: [[FOO_CLOSURE:%.*]] = apply [[FOO]]([[ARG:%.*]])
// CHECK: return [[FOO_CLOSURE]]
return foo(y)
}
// CHECK-LABEL: sil hidden [ossa] @$s16generic_closures0A18_dependent_context{{[_0-9a-zA-Z]*}}F
func generic_dependent_context<T>(_ x: T, y: Int) -> T {
func foo() -> T { return x }
// CHECK: [[FOO:%.*]] = function_ref @$s16generic_closures0A18_dependent_context{{.*}} : $@convention(thin) <τ_0_0> (@in_guaranteed τ_0_0) -> @out τ_0_0
// CHECK: [[FOO_CLOSURE:%.*]] = partial_apply [callee_guaranteed] [[FOO]]<T>([[BOX:%.*]])
// CHECK: [[FOO_CLOSURE_CONV:%.*]] = convert_function [[FOO_CLOSURE]]
// CHECK: destroy_value [[FOO_CLOSURE_CONV]]
let _ = foo
// CHECK: [[FOO:%.*]] = function_ref @$s16generic_closures0A18_dependent_context{{.*}} : $@convention(thin) <τ_0_0> (@in_guaranteed τ_0_0) -> @out τ_0_0
// CHECK: [[FOO_CLOSURE:%.*]] = apply [[FOO]]<T>
// CHECK: return
return foo()
}
enum Optionable<Wrapped> {
case none
case some(Wrapped)
}
class NestedGeneric<U> {
class func generic_nondependent_context<T>(_ x: T, y: Int, z: U) -> Int {
func foo() -> Int { return y }
let _ = foo
return foo()
}
class func generic_dependent_inner_context<T>(_ x: T, y: Int, z: U) -> T {
func foo() -> T { return x }
let _ = foo
return foo()
}
class func generic_dependent_outer_context<T>(_ x: T, y: Int, z: U) -> U {
func foo() -> U { return z }
let _ = foo
return foo()
}
class func generic_dependent_both_contexts<T>(_ x: T, y: Int, z: U) -> (T, U) {
func foo() -> (T, U) { return (x, z) }
let _ = foo
return foo()
}
// CHECK-LABEL: sil hidden [ossa] @$s16generic_closures13NestedGenericC20nested_reabstraction{{[_0-9a-zA-Z]*}}F
// CHECK: [[REABSTRACT:%.*]] = function_ref @$sIeg_ytIegr_TR
// CHECK: partial_apply [callee_guaranteed] [[REABSTRACT]]
func nested_reabstraction<T>(_ x: T, fn: @escaping () -> ()) -> Optionable<() -> ()> {
return .some(fn)
}
}
// <rdar://problem/15417773>
// Ensure that nested closures capture the generic parameters of their nested
// context.
// CHECK: sil hidden [ossa] @$s16generic_closures018nested_closure_in_A0yxxlF : $@convention(thin) <T> (@in_guaranteed T) -> @out T
// CHECK: function_ref [[OUTER_CLOSURE:@\$s16generic_closures018nested_closure_in_A0yxxlFxyXEfU_]]
// CHECK: sil private [ossa] [[OUTER_CLOSURE]] : $@convention(thin) <T> (@in_guaranteed T) -> @out T
// CHECK: function_ref [[INNER_CLOSURE:@\$s16generic_closures018nested_closure_in_A0yxxlFxyXEfU_xyXEfU_]]
// CHECK: sil private [ossa] [[INNER_CLOSURE]] : $@convention(thin) <T> (@in_guaranteed T) -> @out T {
func nested_closure_in_generic<T>(_ x:T) -> T {
return { { x }() }()
}
// CHECK-LABEL: sil hidden [ossa] @$s16generic_closures16local_properties{{[_0-9a-zA-Z]*}}F
func local_properties<T>(_ t: inout T) {
var prop: T {
get {
return t
}
set {
t = newValue
}
}
// CHECK: [[GETTER_REF:%[0-9]+]] = function_ref [[GETTER_CLOSURE:@\$s16generic_closures16local_properties[_0-9a-zA-Z]*]] : $@convention(thin) <τ_0_0> (@inout_aliasable τ_0_0) -> @out τ_0_0
// CHECK: apply [[GETTER_REF]]
t = prop
// CHECK: [[SETTER_REF:%[0-9]+]] = function_ref [[SETTER_CLOSURE:@\$s16generic_closures16local_properties[_0-9a-zA-Z]*]] : $@convention(thin) <τ_0_0> (@in τ_0_0, @inout_aliasable τ_0_0) -> ()
// CHECK: apply [[SETTER_REF]]
prop = t
var prop2: T {
get {
return t
}
set {
// doesn't capture anything
}
}
// CHECK: [[GETTER2_REF:%[0-9]+]] = function_ref [[GETTER2_CLOSURE:@\$s16generic_closures16local_properties[_0-9a-zA-Z]*]] : $@convention(thin) <τ_0_0> (@inout_aliasable τ_0_0) -> @out τ_0_0
// CHECK: apply [[GETTER2_REF]]
t = prop2
// CHECK: [[SETTER2_REF:%[0-9]+]] = function_ref [[SETTER2_CLOSURE:@\$s16generic_closures16local_properties[_0-9a-zA-Z]*]] : $@convention(thin) <τ_0_0> (@in τ_0_0) -> ()
// CHECK: apply [[SETTER2_REF]]
prop2 = t
}
protocol Fooable {
static func foo() -> Bool
}
// <rdar://problem/16399018>
func shmassert(_ f: @autoclosure () -> Bool) {}
// CHECK-LABEL: sil hidden [ossa] @$s16generic_closures08capture_A6_param{{[_0-9a-zA-Z]*}}F
func capture_generic_param<A: Fooable>(_ x: A) {
shmassert(A.foo())
}
// Make sure we use the correct convention when capturing class-constrained
// member types: <rdar://problem/24470533>
class Class {}
protocol HasClassAssoc { associatedtype Assoc : Class }
// CHECK-LABEL: sil hidden [ossa] @$s16generic_closures027captures_class_constrained_A0_1fyx_5AssocQzAEctAA08HasClassF0RzlF
// CHECK: bb0([[ARG1:%.*]] : $*T, [[ARG2:%.*]] : @guaranteed $@callee_guaranteed @substituted <τ_0_0, τ_0_1 where τ_0_0 : _NativeClass, τ_0_1 : _NativeClass> (@guaranteed τ_0_0) -> @owned τ_0_1 for <T.Assoc, T.Assoc>):
// CHECK: [[GENERIC_FN:%.*]] = function_ref @$s16generic_closures027captures_class_constrained_A0_1fyx_5AssocQzAEctAA08HasClassF0RzlFA2EcycfU_
// CHECK: [[ARG2_COPY:%.*]] = copy_value [[ARG2]]
// CHECK: [[CONCRETE_FN:%.*]] = partial_apply [callee_guaranteed] [[GENERIC_FN]]<T>([[ARG2_COPY]])
func captures_class_constrained_generic<T : HasClassAssoc>(_ x: T, f: @escaping (T.Assoc) -> T.Assoc) {
let _: () -> (T.Assoc) -> T.Assoc = { f }
}
// Make sure local generic functions can have captures
// CHECK-LABEL: sil hidden [ossa] @$s16generic_closures06outer_A01t1iyx_SitlF : $@convention(thin) <T> (@in_guaranteed T, Int) -> ()
func outer_generic<T>(t: T, i: Int) {
func inner_generic_nocapture<U>(u: U) -> U {
return u
}
func inner_generic1<U>(u: U) -> Int {
return i
}
func inner_generic2<U>(u: U) -> T {
return t
}
let _: (()) -> () = inner_generic_nocapture
// CHECK: [[FN:%.*]] = function_ref @$s16generic_closures06outer_A01t1iyx_SitlF06inner_A10_nocaptureL_1uqd__qd___tr__lF : $@convention(thin) <τ_0_0><τ_1_0> (@in_guaranteed τ_1_0) -> @out τ_1_0
// CHECK: [[CLOSURE:%.*]] = partial_apply [callee_guaranteed] [[FN]]<T, ()>() : $@convention(thin) <τ_0_0><τ_1_0> (@in_guaranteed τ_1_0) -> @out τ_1_0
// CHECK: [[THUNK:%.*]] = function_ref @$sytytIegnr_Ieg_TR
// CHECK: [[THUNK_CLOSURE:%.*]] = partial_apply [callee_guaranteed] [[THUNK]]([[CLOSURE]])
// CHECK: destroy_value [[THUNK_CLOSURE]]
// CHECK: [[FN:%.*]] = function_ref @$s16generic_closures06outer_A01t1iyx_SitlF06inner_A10_nocaptureL_1uqd__qd___tr__lF : $@convention(thin) <τ_0_0><τ_1_0> (@in_guaranteed τ_1_0) -> @out τ_1_0
// CHECK: [[RESULT:%.*]] = apply [[FN]]<T, T>({{.*}}) : $@convention(thin) <τ_0_0><τ_1_0> (@in_guaranteed τ_1_0) -> @out τ_1_0
_ = inner_generic_nocapture(u: t)
// CHECK: [[FN:%.*]] = function_ref @$s16generic_closures06outer_A01t1iyx_SitlF14inner_generic1L_1uSiqd___tr__lF : $@convention(thin) <τ_0_0><τ_1_0> (@in_guaranteed τ_1_0, Int) -> Int
// CHECK: [[CLOSURE:%.*]] = partial_apply [callee_guaranteed] [[FN]]<T, ()>(%1) : $@convention(thin) <τ_0_0><τ_1_0> (@in_guaranteed τ_1_0, Int) -> Int
// CHECK: [[THUNK:%.*]] = function_ref @$sytSiIegnd_SiIegd_TR
// CHECK: [[THUNK_CLOSURE:%.*]] = partial_apply [callee_guaranteed] [[THUNK]]([[CLOSURE]])
// CHECK: destroy_value [[THUNK_CLOSURE]]
let _: (()) -> Int = inner_generic1
// CHECK: [[FN:%.*]] = function_ref @$s16generic_closures06outer_A01t1iyx_SitlF14inner_generic1L_1uSiqd___tr__lF : $@convention(thin) <τ_0_0><τ_1_0> (@in_guaranteed τ_1_0, Int) -> Int
// CHECK: [[RESULT:%.*]] = apply [[FN]]<T, T>({{.*}}) : $@convention(thin) <τ_0_0><τ_1_0> (@in_guaranteed τ_1_0, Int) -> Int
_ = inner_generic1(u: t)
// CHECK: [[FN:%.*]] = function_ref @$s16generic_closures06outer_A01t1iyx_SitlF14inner_generic2L_1uxqd___tr__lF : $@convention(thin) <τ_0_0><τ_1_0> (@in_guaranteed τ_1_0, @in_guaranteed τ_0_0) -> @out τ_0_0
// CHECK: [[CLOSURE:%.*]] = partial_apply [callee_guaranteed] [[FN]]<T, ()>([[ARG:%.*]]) : $@convention(thin) <τ_0_0><τ_1_0> (@in_guaranteed τ_1_0, @in_guaranteed τ_0_0) -> @out τ_0_0
// CHECK: [[THUNK:%.*]] = function_ref @$sytxIegnr_xIegr_lTR
// CHECK: [[THUNK_CLOSURE:%.*]] = partial_apply [callee_guaranteed] [[THUNK]]<T>([[CLOSURE]])
// CHECK: [[THUNK_CLOSURE_CONV:%.*]] = convert_function [[THUNK_CLOSURE]]
// CHECK: destroy_value [[THUNK_CLOSURE_CONV]]
let _: (()) -> T = inner_generic2
// CHECK: [[FN:%.*]] = function_ref @$s16generic_closures06outer_A01t1iyx_SitlF14inner_generic2L_1uxqd___tr__lF : $@convention(thin) <τ_0_0><τ_1_0> (@in_guaranteed τ_1_0, @in_guaranteed τ_0_0) -> @out τ_0_0
// CHECK: [[RESULT:%.*]] = apply [[FN]]<T, T>({{.*}}) : $@convention(thin) <τ_0_0><τ_1_0> (@in_guaranteed τ_1_0, @in_guaranteed τ_0_0) -> @out τ_0_0
_ = inner_generic2(u: t)
}
// CHECK-LABEL: sil hidden [ossa] @$s16generic_closures14outer_concrete1iySi_tF : $@convention(thin) (Int) -> ()
func outer_concrete(i: Int) {
func inner_generic_nocapture<U>(u: U) -> U {
return u
}
func inner_generic<U>(u: U) -> Int {
return i
}
// CHECK: [[FN:%.*]] = function_ref @$s16generic_closures14outer_concrete1iySi_tF06inner_A10_nocaptureL_1uxx_tlF : $@convention(thin) <τ_0_0> (@in_guaranteed τ_0_0) -> @out τ_0_0
// CHECK: [[CLOSURE:%.*]] = partial_apply [callee_guaranteed] [[FN]]<()>() : $@convention(thin) <τ_0_0> (@in_guaranteed τ_0_0) -> @out τ_0_0
// CHECK: [[THUNK:%.*]] = function_ref @$sytytIegnr_Ieg_TR
// CHECK: [[THUNK_CLOSURE:%.*]] = partial_apply [callee_guaranteed] [[THUNK]]([[CLOSURE]])
// CHECK: destroy_value [[THUNK_CLOSURE]]
let _: (()) -> () = inner_generic_nocapture
// CHECK: [[FN:%.*]] = function_ref @$s16generic_closures14outer_concrete1iySi_tF06inner_A10_nocaptureL_1uxx_tlF : $@convention(thin) <τ_0_0> (@in_guaranteed τ_0_0) -> @out τ_0_0
// CHECK: [[RESULT:%.*]] = apply [[FN]]<Int>({{.*}}) : $@convention(thin) <τ_0_0> (@in_guaranteed τ_0_0) -> @out τ_0_0
_ = inner_generic_nocapture(u: i)
// CHECK: [[FN:%.*]] = function_ref @$s16generic_closures14outer_concrete1iySi_tF06inner_A0L_1uSix_tlF : $@convention(thin) <τ_0_0> (@in_guaranteed τ_0_0, Int) -> Int
// CHECK: [[CLOSURE:%.*]] = partial_apply [callee_guaranteed] [[FN]]<()>(%0) : $@convention(thin) <τ_0_0> (@in_guaranteed τ_0_0, Int) -> Int
// CHECK: [[THUNK:%.*]] = function_ref @$sytSiIegnd_SiIegd_TR
// CHECK: [[THUNK_CLOSURE:%.*]] = partial_apply [callee_guaranteed] [[THUNK]]([[CLOSURE]])
// CHECK: destroy_value [[THUNK_CLOSURE]]
let _: (()) -> Int = inner_generic
// CHECK: [[FN:%.*]] = function_ref @$s16generic_closures14outer_concrete1iySi_tF06inner_A0L_1uSix_tlF : $@convention(thin) <τ_0_0> (@in_guaranteed τ_0_0, Int) -> Int
// CHECK: [[RESULT:%.*]] = apply [[FN]]<Int>({{.*}}) : $@convention(thin) <τ_0_0> (@in_guaranteed τ_0_0, Int) -> Int
_ = inner_generic(u: i)
}
// CHECK-LABEL: sil hidden [ossa] @$s16generic_closures06mixed_A19_nongeneric_nesting1tyx_tlF : $@convention(thin) <T> (@in_guaranteed T) -> ()
func mixed_generic_nongeneric_nesting<T>(t: T) {
func outer() {
func middle<U>(u: U) {
func inner() -> U {
return u
}
inner()
}
middle(u: 11)
}
outer()
}
// CHECK-LABEL: sil private [ossa] @$s16generic_closures06mixed_A19_nongeneric_nesting1tyx_tlF5outerL_yylF : $@convention(thin) <T> () -> ()
// CHECK-LABEL: sil private [ossa] @$s16generic_closures06mixed_A19_nongeneric_nesting1tyx_tlF5outerL_yylF6middleL_1uyqd___tr__lF : $@convention(thin) <T><U> (@in_guaranteed U) -> ()
// CHECK-LABEL: sil private [ossa] @$s16generic_closures06mixed_A19_nongeneric_nesting1tyx_tlF5outerL_yylF6middleL_1uyqd___tr__lF5innerL_qd__yr__lF : $@convention(thin) <T><U> (@in_guaranteed U) -> @out U
protocol Doge {
associatedtype Nose : NoseProtocol
}
protocol NoseProtocol {
associatedtype Squeegee
}
protocol Doggo {}
struct DogSnacks<A : Doggo> {}
func capture_same_type_representative<Daisy: Doge, Roo: Doggo>(slobber: Roo, daisy: Daisy)
where Roo == Daisy.Nose.Squeegee {
var s = DogSnacks<Daisy.Nose.Squeegee>()
_ = { _ = s }
}
|
