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56 lines
2.0 KiB
Swift
56 lines
2.0 KiB
Swift
// RUN: %target-swift-frontend -disable-generic-metadata-prespecialization %s -emit-ir -parse-as-library | %FileCheck %s
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// UNSUPPORTED: OS=windows-msvc
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// REQUIRES: CPU=x86_64
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// FIXME: Not a SIL test because we can't parse dynamic Self in SIL.
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// <rdar://problem/16931299>
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// CHECK: [[TYPE:%.+]] = type <{ [8 x i8] }>
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@inline(never) func id<T>(_ t: T) -> T {
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return t
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}
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// CHECK-LABEL: define hidden swiftcc void @"$s21dynamic_self_metadata2idyxxlF"
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protocol P {
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associatedtype T
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}
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extension P {
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func f() {}
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}
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struct G<T> : P {
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var t: T
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}
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class C {
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class func fromMetatype() -> Self? { return nil }
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// CHECK-LABEL: define hidden swiftcc i64 @"$s21dynamic_self_metadata1CC12fromMetatypeACXDSgyFZ"(ptr swiftself %0)
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// CHECK: ret i64 0
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func fromInstance() -> Self? { return nil }
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// CHECK-LABEL: define hidden swiftcc i64 @"$s21dynamic_self_metadata1CC12fromInstanceACXDSgyF"(ptr swiftself %0)
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// CHECK: ret i64 0
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func dynamicSelfArgument() -> Self? {
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return id(nil)
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}
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// CHECK-LABEL: define hidden swiftcc i64 @"$s21dynamic_self_metadata1CC0A12SelfArgumentACXDSgyF"(ptr swiftself %0)
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// CHECK: [[TYPE1:%.+]] = load {{.*}} %0
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// CHECK: [[T0:%.+]] = call swiftcc %swift.metadata_response @"$sSqMa"(i64 0, ptr [[TYPE1]])
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// CHECK: [[TYPE2:%.+]] = extractvalue %swift.metadata_response [[T0]], 0
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// CHECK: call swiftcc void @"$s21dynamic_self_metadata2idyxxlF"({{.*}}, ptr [[TYPE2]])
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func dynamicSelfConformingType() -> Self? {
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_ = G(t: self).f()
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return nil
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}
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// CHECK-LABEL: define hidden swiftcc i64 @"$s21dynamic_self_metadata1CC0A18SelfConformingTypeACXDSgyF"(ptr swiftself %0)
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// CHECK: [[SELF_TYPE:%.+]] = load {{.*}} %0
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// CHECK: [[METADATA_RESPONSE:%.*]] = call swiftcc %swift.metadata_response @"$s21dynamic_self_metadata1GVMa"(i64 0, ptr [[SELF_TYPE]])
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// CHECK: [[METADATA:%.*]] = extractvalue %swift.metadata_response [[METADATA_RESPONSE]], 0
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// CHECK: call ptr @swift_getWitnessTable(ptr @"$s21dynamic_self_metadata1GVyxGAA1PAAMc", ptr [[METADATA]], ptr undef)
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}
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