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30 lines
969 B
Swift
30 lines
969 B
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -primary-file %s -O -sil-verify-all -emit-sil >%t/output.sil
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// RUN: %FileCheck %s < %t/output.sil
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// REQUIRES: objc_interop
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import Foundation
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class Foo: NSObject {
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@objc(doesIndeedHaveAKVCString) var hasKVCString: Int = 0
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var noKVCString: Int? = 0
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}
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// CHECK-LABEL: sil hidden @{{.*}}21optimize_keypath_objc12hasKVCString
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func hasKVCString() -> String? {
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// CHECK-NOT: = keypath
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// CHECK: string_literal utf8 "doesIndeedHaveAKVCString"
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// CHECK-NOT: = keypath
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// CHECK: [[RESULT:%.*]] = enum $Optional<String>, #Optional.some
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return (\Foo.hasKVCString)._kvcKeyPathString
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}
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// CHECK-LABEL: sil hidden @{{.*}}21optimize_keypath_objc11noKVCString
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func noKVCString() -> String? {
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// CHECK-NOT: = keypath
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// CHECK: [[RESULT:%.*]] = enum $Optional<String>, #Optional.none
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return (\Foo.noKVCString)._kvcKeyPathString
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}
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