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33 lines
766 B
Swift
33 lines
766 B
Swift
// RUN: %target-swift-frontend -emit-silgen -enable-sil-ownership %s | %FileCheck %s
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protocol P {}
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class Foo {
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var x: Foo!
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var p: P!
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// CHECK-LABEL: {{.*3Foo.*3foo.*}}
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// CHECK-NOT: unchecked_{{.*}}cast {{.*}} Optional{{.*}} to Optional
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func foo() -> Foo? {
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return x
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}
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// CHECK-LABEL: {{.*3Foo.*3poo.*}}
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// CHECK-NOT: unchecked_{{.*}}cast {{.*}} Optional{{.*}} to Optional
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func poo() -> P? {
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return p
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}
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// CHECK-LABEL: {{.*3Foo.*3bar.*}}
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// CHECK-NOT: unchecked_{{.*}}cast {{.*}} Optional{{.*}} to Optional
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func bar() -> Foo? {
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var x2 = x
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}
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// CHECK-LABEL: {{.*3Foo.*3par.*}}
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// CHECK-NOT: unchecked_{{.*}}cast {{.*}} Optional{{.*}} to Optional
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func par(p3: P) -> P? {
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var p2 = p
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p2! = p3
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p2? = p3
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}
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}
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