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29 lines
1.1 KiB
Swift
29 lines
1.1 KiB
Swift
// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -O -emit-sil %s | %FileCheck %s
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// REQUIRES: objc_interop
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import objc_generics
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// CHECK-LABEL: sil [noinline] @_T026cast_folding_objc_generics26testObjCGenericParamChange{{[_0-9a-zA-Z]*}}F
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// CHECK: upcast
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// CHECK-NOT: int_trap
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@inline(never)
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public func testObjCGenericParamChange(_ a: GenericClass<NSMutableString>) -> GenericClass<NSString> {
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return a as! GenericClass<NSString>
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}
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// CHECK-LABEL: sil [noinline] @_T026cast_folding_objc_generics34testObjCGenericParamChangeSubclass{{[_0-9a-zA-Z]*}}F
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// CHECK: unconditional_checked_cast
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// CHECK-NOT: int_trap
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@inline(never)
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public func testObjCGenericParamChangeSubclass(_ a: GenericClass<NSMutableString>) -> GenericSubclass<NSString> {
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return a as! GenericSubclass<NSString>
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}
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// CHECK-LABEL: sil [noinline] @_T026cast_folding_objc_generics36testObjCGenericParamChangeSuperclass{{[_0-9a-zA-Z]*}}F
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// CHECK: upcast
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// CHECK-NOT: int_trap
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@inline(never)
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public func testObjCGenericParamChangeSuperclass(_ a: GenericSubclass<NSMutableString>) -> GenericClass<NSString> {
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return a as! GenericClass<NSString>
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}
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