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23 lines
786 B
Plaintext
23 lines
786 B
Plaintext
// RUN: %target-sil-opt -enable-sil-opaque-values -enable-sil-verify-all -emit-sorted-sil %s | %FileCheck %s
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// REQUIRES: objc_interop
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import Builtin
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import Swift
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struct UnownedBox<T : AnyObject> {
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unowned var value: T
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}
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// CHECK-LABEL: sil [ossa] @test_unowned_copy_value : {{.*}} {
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// CHECK: bb0([[VALUE:%[^,]+]] :
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// CHECK: unowned_copy_value [[VALUE]]
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// CHECK-LABEL: } // end sil function 'test_unowned_copy_value'
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sil [ossa] @test_unowned_copy_value : $@convention(thin) <T where T : AnyObject> (@owned T) -> @out UnownedBox<T> {
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bb0(%owned_value : @owned $T):
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%unowned_value = unowned_copy_value %owned_value : $T
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destroy_value %owned_value : $T
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%instance = struct $UnownedBox<T> (%unowned_value : $@sil_unowned T)
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return %instance : $UnownedBox<T>
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}
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