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37 lines
1.2 KiB
Plaintext
37 lines
1.2 KiB
Plaintext
// RUN: rm -rf %t && mkdir -p %t
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// RUN: %build-irgen-test-overlays
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// RUN: %target-swift-frontend -assume-parsing-unqualified-ownership-sil -sdk %S/Inputs -I %t %s -emit-ir | %FileCheck %s
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// REQUIRES: CPU=x86_64
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// REQUIRES: objc_interop
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sil_stage canonical
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import Swift
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import ObjectiveC
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@objc protocol OP {}
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// CHECK-LABEL: define{{( protected)?}} swiftcc %TSo8ProtocolC* @protocol_conversion() {{.*}} {
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// CHECK: %0 = load i8*, i8** @"\01l_OBJC_PROTOCOL_REFERENCE_$__TtP24objc_protocol_conversion2OP_", align 8
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// CHECK: %1 = bitcast i8* %0 to %TSo8ProtocolC*
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// CHECK: ret %TSo8ProtocolC* %1
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// CHECK: }
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sil @protocol_conversion : $@convention(thin) () -> @owned Protocol {
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entry:
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%p = objc_protocol #OP : $Protocol
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return %p : $Protocol
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}
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// The Protocol class has been hidden in newer ObjC APIs, so when we need its
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// metadata, we treat it like a foreign class.
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// CHECK-LABEL: define{{( protected)?}} swiftcc %swift.type* @protocol_metatype()
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sil @protocol_metatype : $@convention(thin) () -> @thick Protocol.Type {
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entry:
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// CHECK: call %objc_class* @objc_lookUpClass
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// CHECK: call %swift.type* @swift_getObjCClassMetadata
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%t = metatype $@thick Protocol.Type
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return %t : $@thick Protocol.Type
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}
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