mirror of
https://github.com/apple/swift.git
synced 2025-12-21 12:14:44 +01:00
34 lines
1.4 KiB
Plaintext
34 lines
1.4 KiB
Plaintext
// RUN: %target-sil-opt -enable-sil-verify-all -enable-sil-opaque-values -inline %s | %FileCheck %s
|
|
|
|
// Check cloning of instructions that are only legal in opaque values mode.
|
|
|
|
// REQUIRES: objc_interop
|
|
|
|
import Swift
|
|
|
|
struct UnownedBox<T : AnyObject> {
|
|
unowned var value: T
|
|
}
|
|
|
|
// CHECK-LABEL: sil [ossa] @unowned_copy_value_caller : {{.*}} {
|
|
// CHECK: bb0([[STRONG:%[^,]+]] :
|
|
// CHECK: [[UNOWNED:%[^,]+]] = unowned_copy_value [[STRONG]]
|
|
// CHECK: destroy_value [[STRONG]]
|
|
// CHECK: [[RETVAL:%[^,]+]] = struct $UnownedBox<T> ([[UNOWNED]] :
|
|
// CHECK: return [[RETVAL]]
|
|
// CHECK-LABEL: } // end sil function 'unowned_copy_value_caller'
|
|
sil [ossa] @unowned_copy_value_caller : $@convention(thin) <T where T : AnyObject> (@owned T) -> @out UnownedBox<T> {
|
|
bb0(%value : @owned $T):
|
|
%callee = function_ref @unowned_copy_value : $@convention(thin) <T where T : AnyObject> (@owned T) -> @out UnownedBox<T>
|
|
%retval = apply %callee<T>(%value) : $@convention(thin) <T where T : AnyObject> (@owned T) -> @out UnownedBox<T>
|
|
return %retval : $UnownedBox<T>
|
|
}
|
|
|
|
sil [always_inline] [ossa] @unowned_copy_value : $@convention(thin) <T where T : AnyObject> (@owned T) -> @out UnownedBox<T> {
|
|
bb0(%owned_value : @owned $T):
|
|
%unowned_value = unowned_copy_value %owned_value : $T
|
|
destroy_value %owned_value : $T
|
|
%instance = struct $UnownedBox<T> (%unowned_value : $@sil_unowned T)
|
|
return %instance : $UnownedBox<T>
|
|
}
|