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// RUN: %target-swift-emit-silgen -module-name objc_extensions -sdk %S/Inputs/ -I %S/Inputs -enable-source-import %s | %FileCheck %s
// REQUIRES: objc_interop
import Foundation
import objc_extensions_helper
class Sub : Base {}
// CHECK-LABEL: sil hidden [ossa] @$s15objc_extensions20testOverridePropertyyyAA3SubCF
func testOverrideProperty(_ obj: Sub) {
// CHECK: bb0([[ARG:%.*]] : @guaranteed $Sub):
// CHECK: = objc_method [[ARG]] : $Sub, #Sub.prop!setter.foreign : (Sub) -> (String?) -> ()
obj.prop = "abc"
} // CHECK: } // end sil function '$s15objc_extensions20testOverridePropertyyyAA3SubCF'
testOverrideProperty(Sub())
extension Sub {
@objc override var prop: String! {
didSet(oldValue) {
// Ignore it, but explicitly specify 'oldValue' because this test
// checks that its correctly fetched.
}
// Make sure that we are generating the @objc thunk and are calling the actual method.
//
// CHECK-LABEL: sil private [thunk] [ossa] @$s15objc_extensions3SubC4propSSSgvgTo : $@convention(objc_method) (Sub) -> @autoreleased Optional<NSString> {
// CHECK: bb0([[SELF:%.*]] : @unowned $Sub):
// CHECK: [[SELF_COPY:%.*]] = copy_value [[SELF]]
// CHECK: [[BORROWED_SELF_COPY:%.*]] = begin_borrow [[SELF_COPY]]
// CHECK: [[GETTER_FUNC:%.*]] = function_ref @$s15objc_extensions3SubC4propSSSgvg : $@convention(method) (@guaranteed Sub) -> @owned Optional<String>
// CHECK: apply [[GETTER_FUNC]]([[BORROWED_SELF_COPY]])
// CHECK: end_borrow [[BORROWED_SELF_COPY]]
// CHECK: destroy_value [[SELF_COPY]]
// CHECK: } // end sil function '$s15objc_extensions3SubC4propSSSgvgTo'
// Then check the body of the getter calls the super_method.
// CHECK-LABEL: sil hidden [ossa] @$s15objc_extensions3SubC4propSSSgvg : $@convention(method) (@guaranteed Sub) -> @owned Optional<String> {
// CHECK: bb0([[SELF:%.*]] : @guaranteed $Sub):
// CHECK: [[SELF_COPY:%.*]] = copy_value [[SELF]]
// CHECK: [[SELF_COPY_CAST:%.*]] = upcast [[SELF_COPY]] : $Sub to $Base
// CHECK: [[BORROWED_SELF_COPY_CAST:%.*]] = begin_borrow [[SELF_COPY_CAST]]
// CHECK: [[CAST_BACK:%.*]] = unchecked_ref_cast [[BORROWED_SELF_COPY_CAST]] : $Base to $Sub
// CHECK: [[SUPER_METHOD:%.*]] = objc_super_method [[CAST_BACK]] : $Sub, #Base.prop!getter.foreign
// CHECK: [[RESULT:%.*]] = apply [[SUPER_METHOD]]([[BORROWED_SELF_COPY_CAST]])
// CHECK: bb3(
// CHECK: end_borrow [[BORROWED_SELF_COPY_CAST]]
// CHECK: destroy_value [[SELF_COPY_CAST]]
// CHECK: } // end sil function '$s15objc_extensions3SubC4propSSSgvg'
// Then check the setter @objc thunk.
//
// CHECK-LABEL: sil private [thunk] [ossa] @$s15objc_extensions3SubC4propSSSgvsTo : $@convention(objc_method) (Optional<NSString>, Sub) -> () {
// CHECK: bb0([[NEW_VALUE:%.*]] : @unowned $Optional<NSString>, [[SELF:%.*]] : @unowned $Sub):
// CHECK: [[NEW_VALUE_COPY:%.*]] = copy_value [[NEW_VALUE]]
// CHECK: [[SELF_COPY:%.*]] = copy_value [[SELF]] : $Sub
// CHECK: switch_enum [[NEW_VALUE_COPY]] : $Optional<NSString>, case #Optional.some!enumelt: [[SUCC_BB:bb[0-9]+]], case #Optional.none!enumelt: [[FAIL_BB:bb[0-9]+]]
// CHECK: [[SUCC_BB]]([[STR:%.*]] : @owned $NSString):
// CHECK: [[FAIL_BB]]:
// CHECK: bb3([[BRIDGED_NEW_VALUE:%.*]] : @owned $Optional<String>):
// CHECK: [[BORROWED_SELF_COPY:%.*]] = begin_borrow [[SELF_COPY]]
// CHECK: [[NORMAL_FUNC:%.*]] = function_ref @$s15objc_extensions3SubC4propSSSgvs : $@convention(method) (@owned Optional<String>, @guaranteed Sub) -> ()
// CHECK: apply [[NORMAL_FUNC]]([[BRIDGED_NEW_VALUE]], [[BORROWED_SELF_COPY]])
// CHECK: end_borrow [[BORROWED_SELF_COPY]]
// CHECK: destroy_value [[SELF_COPY]]
// CHECK: } // end sil function '$s15objc_extensions3SubC4propSSSgvsTo'
// Then check the body of the actually setter value and make sure that we
// call the didSet function.
// CHECK-LABEL: sil hidden [ossa] @$s15objc_extensions3SubC4propSSSgvs : $@convention(method) (@owned Optional<String>, @guaranteed Sub) -> () {
// First we get the old value.
// CHECK: bb0([[NEW_VALUE:%.*]] : @owned $Optional<String>, [[SELF:%.*]] : @guaranteed $Sub):
// CHECK: [[SELF_COPY:%.*]] = copy_value [[SELF]]
// CHECK: [[UPCAST_SELF_COPY:%.*]] = upcast [[SELF_COPY]] : $Sub to $Base
// CHECK: [[BORROWED_UPCAST_SELF_COPY:%.*]] = begin_borrow [[UPCAST_SELF_COPY]]
// CHECK: [[CAST_BACK:%.*]] = unchecked_ref_cast [[BORROWED_UPCAST_SELF_COPY]] : $Base to $Sub
// CHECK: [[GET_SUPER_METHOD:%.*]] = objc_super_method [[CAST_BACK]] : $Sub, #Base.prop!getter.foreign : (Base) -> () -> String?, $@convention(objc_method) (Base) -> @autoreleased Optional<NSString>
// CHECK: [[OLD_NSSTRING:%.*]] = apply [[GET_SUPER_METHOD]]([[BORROWED_UPCAST_SELF_COPY]])
// CHECK: bb3([[OLD_NSSTRING_BRIDGED:%.*]] : @owned $Optional<String>):
// CHECK: [[MOVED_OLD_NSSTRING_BRIDGED:%.*]] = move_value [var_decl] [[OLD_NSSTRING_BRIDGED]]
// This next line is completely not needed. But we are emitting it now.
// CHECK: destroy_value [[UPCAST_SELF_COPY]]
// CHECK: [[SELF_COPY:%.*]] = copy_value [[SELF]]
// CHECK: [[UPCAST_SELF_COPY:%.*]] = upcast [[SELF_COPY]] : $Sub to $Base
// CHECK: [[BORROWED_NEW_VALUE:%.*]] = begin_borrow [[NEW_VALUE]]
// CHECK: [[NEW_VALUE_COPY:%.*]] = copy_value [[BORROWED_NEW_VALUE]]
// CHECK: switch_enum [[NEW_VALUE_COPY]] : $Optional<String>, case #Optional.some!enumelt: [[SOME_BB:bb[0-9]+]], case #Optional.none!enumelt: [[NONE_BB:bb[0-9]+]]
//
// CHECK: bb4([[OLD_STRING:%.*]] : @owned $String):
// CHECK: bb6([[BRIDGED_NEW_STRING:%.*]] : @owned $Optional<NSString>):
// CHECK: [[BORROWED_UPCAST_SELF:%.*]] = begin_borrow [[UPCAST_SELF_COPY]] : $Base
// CHECK: [[SUPERREF_DOWNCAST:%.*]] = unchecked_ref_cast [[BORROWED_UPCAST_SELF]] : $Base to $Sub
// CHECK: [[SET_SUPER_METHOD:%.*]] = objc_super_method [[SUPERREF_DOWNCAST]] : $Sub, #Base.prop!setter.foreign : (Base) -> (String?) -> (), $@convention(objc_method) (Optional<NSString>, Base) -> ()
// CHECK: apply [[SET_SUPER_METHOD]]([[BRIDGED_NEW_STRING]], [[UPCAST_SELF_COPY]])
// CHECK: destroy_value [[BRIDGED_NEW_STRING]]
// CHECK: destroy_value [[UPCAST_SELF_COPY]]
// This is an identity cast that should be eliminated by SILGen peepholes.
// CHECK: [[BORROWED_OLD_NSSTRING_BRIDGED:%.*]] = begin_borrow [[MOVED_OLD_NSSTRING_BRIDGED]]
// CHECK: [[DIDSET_NOTIFIER:%.*]] = function_ref @$s15objc_extensions3SubC4propSSSgvW : $@convention(method) (@guaranteed Optional<String>, @guaranteed Sub) -> ()
// CHECK: apply [[DIDSET_NOTIFIER]]([[BORROWED_OLD_NSSTRING_BRIDGED]], [[SELF]])
// CHECK: end_borrow [[BORROWED_OLD_NSSTRING_BRIDGED]]
// CHECK: destroy_value [[MOVED_OLD_NSSTRING_BRIDGED]]
// CHECK: destroy_value [[NEW_VALUE]]
// CHECK: } // end sil function '$s15objc_extensions3SubC4propSSSgvs'
}
@objc func foo() {
}
@objc override func objCBaseMethod() {}
}
// CHECK-LABEL: sil private [ossa] @$s15objc_extensions9testCurryyyAA3SubCFyycADcfu_ : $@convention(thin) (@guaranteed Sub) -> @owned @callee_guaranteed () -> ()
// CHECK: function_ref @$s15objc_extensions9testCurryyyAA3SubCFyycADcfu_yycfu0_ : $@convention(thin) (@guaranteed Sub) -> ()
// CHECK: } // end sil function '$s15objc_extensions9testCurryyyAA3SubCFyycADcfu_'
// CHECK-LABEL: sil private [ossa] @$s15objc_extensions9testCurryyyAA3SubCFyycADcfu_yycfu0_ : $@convention(thin) (@guaranteed Sub) -> ()
// CHECK: objc_method %0 : $Sub, #Sub.foo!foreign : (Sub) -> () -> (), $@convention(objc_method) (Sub) -> ()
// CHECK: } // end sil function '$s15objc_extensions9testCurryyyAA3SubCFyycADcfu_yycfu0_'
func testCurry(_ x: Sub) {
_ = x.foo
}
extension Sub {
@objc var otherProp: String {
get { return "hello" }
set { }
}
}
class SubSub : Sub {
// CHECK-LABEL: sil hidden [ossa] @$s15objc_extensions03SubC0C14objCBaseMethodyyF :
// CHECK: bb0([[SELF:%.*]] : @guaranteed $SubSub):
// CHECK: [[SELF_COPY:%.*]] = copy_value [[SELF]]
// CHECK: [[UPCAST_SELF_COPY:%.*]] = upcast [[SELF_COPY]] : $SubSub to $Sub
// CHECK: [[BORROWED_UPCAST_SELF_COPY:%.*]] = begin_borrow [[UPCAST_SELF_COPY]]
// CHECK: [[DOWNCAST:%.*]] = unchecked_ref_cast [[BORROWED_UPCAST_SELF_COPY]] : $Sub to $SubSub
// CHECK: objc_super_method [[DOWNCAST]] : $SubSub, #Sub.objCBaseMethod!foreign : (Sub) -> () -> (), $@convention(objc_method) (Sub) -> ()
// CHECK: end_borrow [[BORROWED_UPCAST_SELF_COPY]]
// CHECK: } // end sil function '$s15objc_extensions03SubC0C14objCBaseMethodyyF'
override func objCBaseMethod() {
super.objCBaseMethod()
}
}
extension SubSub {
// CHECK-LABEL: sil hidden [ossa] @$s15objc_extensions03SubC0C9otherPropSSvs
// CHECK: bb0([[NEW_VALUE:%.*]] : @owned $String, [[SELF:%.*]] : @guaranteed $SubSub):
// CHECK: [[SELF_COPY_1:%.*]] = copy_value [[SELF]]
// CHECK: [[UPCAST_SELF_COPY_1:%.*]] = upcast [[SELF_COPY_1]] : $SubSub to $Sub
// CHECK: [[BORROWED_UPCAST_SELF_COPY_1:%.*]] = begin_borrow [[UPCAST_SELF_COPY_1]]
// CHECK: [[DOWNCAST_BORROWED_UPCAST_SELF_COPY_1:%.*]] = unchecked_ref_cast [[BORROWED_UPCAST_SELF_COPY_1]] : $Sub to $SubSub
// CHECK: = objc_super_method [[DOWNCAST_BORROWED_UPCAST_SELF_COPY_1]] : $SubSub, #Sub.otherProp!getter.foreign
// CHECK: end_borrow [[BORROWED_UPCAST_SELF_COPY_1]]
// CHECK: [[SELF_COPY_2:%.*]] = copy_value [[SELF]]
// CHECK: [[UPCAST_SELF_COPY_2:%.*]] = upcast [[SELF_COPY_2]] : $SubSub to $Sub
// CHECK: [[BORROWED_UPCAST_SELF_COPY_2:%.*]] = begin_borrow [[UPCAST_SELF_COPY_2]]
// CHECK: [[DOWNCAST_BORROWED_UPCAST_SELF_COPY_2:%.*]] = unchecked_ref_cast [[BORROWED_UPCAST_SELF_COPY_2]] : $Sub to $SubSub
// CHECK: = objc_super_method [[DOWNCAST_BORROWED_UPCAST_SELF_COPY_2]] : $SubSub, #Sub.otherProp!setter.foreign
// CHECK: end_borrow [[BORROWED_UPCAST_SELF_COPY_2]]
// CHECK: } // end sil function '$s15objc_extensions03SubC0C9otherPropSSvs'
@objc override var otherProp: String {
didSet(oldValue) {
// Ignore it.
}
}
}
// https://github.com/apple/swift/issues/43637
extension Base {
fileprivate static var x = 1
}
// CHECK-LABEL: sil hidden [ossa] @$s15objc_extensions19testStaticVarAccessyyF
func testStaticVarAccess() {
// CHECK: [[F:%.*]] = function_ref @$sSo4BaseC15objc_extensionsE1x33_1F05E59585E0BB585FCA206FBFF1A92DLLSivau
// CHECK: [[PTR:%.*]] = apply [[F]]()
// CHECK: [[ADDR:%.*]] = pointer_to_address [[PTR]]
_ = Base.x
}
extension PettableContainer {
// CHECK-LABEL: sil private [thunk] [ossa] @$sSo17PettableContainerC15objc_extensionsE7extractxyFTo : $@convention(objc_method) @pseudogeneric <T where T : Pettable> (PettableContainer<T>) -> @autoreleased T
@objc public func extract() -> T { fatalError() }
// CHECK-LABEL: sil private [thunk] [ossa] @$sSo17PettableContainerC15objc_extensionsE8extract2xSgyFTo : $@convention(objc_method) @pseudogeneric <T where T : Pettable> (PettableContainer<T>) -> @autoreleased Optional<T>
@objc public func extract2() -> T? { fatalError() }
}
|
