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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
21 lines
1.0 KiB
Swift
21 lines
1.0 KiB
Swift
// RUN: %target-swift-frontend -disable-type-layout -module-name main -I %t -emit-ir -primary-file %s %S/Inputs/ABIInaccessible.swift | %FileCheck %s
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public struct AnotherType<T> {
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init(_ t: T) {
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p = Public<T>(t)
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}
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public var p : Public<T>
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}
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// Don't pass the metadata of Private<T> to AnotherType<T>'s outlined destroy.
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// CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @"$s4main4copyyAA11AnotherTypeVyxGAElF"(ptr noalias sret({{.*}}) %0, ptr noalias %1, ptr %T)
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// CHECK: [[MD:%.*]] = call swiftcc %swift.metadata_response @"$s4main11AnotherTypeVMa"(i{{.*}} 0, ptr %T)
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// CHECK: [[MD1:%.*]] = extractvalue %swift.metadata_response [[MD]], 0
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// CHECK: [[MD2:%.*]] = call swiftcc %swift.metadata_response @"$s4main6PublicVMa"(i{{.*}} 0, ptr %T)
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// CHECK: [[MD3:%.*]] = extractvalue %swift.metadata_response [[MD2]], 0
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// CHECK: call ptr @"$s4main11AnotherTypeVyxGlWOc"(ptr %1, ptr {{.*}}, ptr %T, ptr [[MD3]], ptr [[MD1]])
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public func copy<T>(_ a: AnotherType<T>) -> AnotherType<T> {
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let copy = a
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return copy
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}
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