Files
swift-mirror/test/IRGen/outlined_copy_addr.swift
Alex Lorenz 4858cb6225 [IRGen][interop] do not add 'nocapture' to not bitwise takable types
The use of 'nocapture' for parameters and return values is incorrect for C++ types, as they can actually capture a pointer into its own value (e.g. std::string in libstdc++)

rdar://115062687
2023-09-25 17:43:34 -07:00

78 lines
1.9 KiB
Swift

// RUN: %target-swift-frontend -disable-type-layout -emit-ir -module-name outcopyaddr -primary-file %s | %FileCheck %s
public protocol BaseProt {
}
public protocol ChildProt: BaseProt {
}
public struct BaseStruct<T: BaseProt> {
public typealias Element = T
public var elem1: Element
public var elem2: Element
}
public struct StructWithBaseStruct<T: BaseProt> {
public typealias Element = T
var elem1: Element
var elem2: BaseStruct<Element>
}
// CHECK-LABEL: define hidden swiftcc void @"$s11outcopyaddr010StructWithbc4BaseB0V4elemAA0bcdB0VyxGvg"(ptr noalias sret({{.*}}) %0, ptr %"StructWithStructWithBaseStruct<T>", ptr noalias swiftself %1)
// CHECK: call ptr @"$s11outcopyaddr014StructWithBaseB0VyxGAA9ChildProtRzlWOc"
public struct StructWithStructWithBaseStruct<T: ChildProt> {
public typealias Element = T
let elem: StructWithBaseStruct<Element>
}
protocol P { }
class OtherPrivate<T> { }
struct OtherInternal<T> {
var myPrivate: OtherPrivate<T>? = nil
}
struct MyPrivate<T: P> {
var otherHelper: OtherInternal<T>? = nil
// CHECK-LABEL: define hidden swiftcc {{i32|i64}} @"$s11outcopyaddr9MyPrivateVyACyxGxcfC"(ptr noalias %0, ptr %T, ptr %T.P) {{.*}} {
// CHECK: call ptr @"$s11outcopyaddr9MyPrivateVyxGAA1PRzlWOh"(ptr {{%.*}})
// CHECK: ret
init(_: T) { }
}
extension P {
func foo(data: Any) {
_ = MyPrivate(data as! Self)
}
}
enum GenericError<T: BaseProt> {
case payload(T)
}
func testIt<P: BaseProt>(_ f: GenericError<P>?) {
}
func dontCrash<P: BaseProt>(_ f: GenericError<P>) {
testIt(f)
}
protocol Baz : class {
}
extension Baz {
static func crash(setup: ((Self) -> ())?){
}
}
class Foobar {
public static func dontCrash() -> Baz? {
let cls : Baz.Type = Foobar1.self
// This used to crash because we tried to outline the optional consume with
// an opened payload existential type.
cls.crash(setup: { (arg: Baz) -> () in })
return nil
}
}
class Foobar1 : Foobar, Baz { }