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43 lines
2.0 KiB
Swift
43 lines
2.0 KiB
Swift
// RUN: %target-swift-frontend -assume-parsing-unqualified-ownership-sil %s -emit-ir -parse-as-library | %FileCheck %s
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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 @_T021dynamic_self_metadata2idyxxlF
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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 @_T021dynamic_self_metadata1CC12fromMetatypeACXDSgyFZ(%swift.type* swiftself)
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// CHECK: [[ALLOCA:%.+]] = alloca [[TYPE]], align 8
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// CHECK: [[CAST1:%.+]] = bitcast [[TYPE]]* [[ALLOCA]] to i64*
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// CHECK: store i64 0, i64* [[CAST1]], align 8
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// CHECK: [[CAST2:%.+]] = bitcast [[TYPE]]* [[ALLOCA]] to i64*
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// CHECK: [[LOAD:%.+]] = load i64, i64* [[CAST2]], align 8
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// CHECK: ret i64 [[LOAD]]
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func fromInstance() -> Self? { return nil }
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// CHECK-LABEL: define hidden swiftcc i64 @_T021dynamic_self_metadata1CC12fromInstanceACXDSgyF(%T21dynamic_self_metadata1CC* swiftself)
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// CHECK: [[ALLOCA:%.+]] = alloca [[TYPE]], align 8
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// CHECK: [[CAST1:%.+]] = bitcast [[TYPE]]* [[ALLOCA]] to i64*
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// CHECK: store i64 0, i64* [[CAST1]], align 8
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// CHECK: [[CAST2:%.+]] = bitcast [[TYPE]]* [[ALLOCA]] to i64*
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// CHECK: [[LOAD:%.+]] = load i64, i64* [[CAST2]], align 8
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// CHECK: ret i64 [[LOAD]]
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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 @_T021dynamic_self_metadata1CC0A12SelfArgumentACXDSgyF(%T21dynamic_self_metadata1CC* swiftself)
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// CHECK: [[CAST1:%.+]] = bitcast %T21dynamic_self_metadata1CC* %0 to [[METATYPE:%.+]]
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// CHECK: [[TYPE1:%.+]] = call %swift.type* @swift_getObjectType([[METATYPE]] [[CAST1]])
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// CHECK: [[TYPE2:%.+]] = call %swift.type* @_T0SqMa(%swift.type* [[TYPE1]])
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// CHECK: call swiftcc void @_T021dynamic_self_metadata2idyxxlF({{.*}}, %swift.type* [[TYPE2]])
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}
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