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// RUN: %target-sil-opt -enable-sil-verify-all -inline %s | %FileCheck %s
// REQUIRES: objc_interop
import Swift
// FIXME: Should go into the standard library.
public extension _ObjectiveCBridgeable {
static func _unconditionallyBridgeFromObjectiveC(_ source: _ObjectiveCType?)
-> Self
}
@objc class NSCloud {}
struct Butt: _ObjectiveCBridgeable {
typealias _ObjectiveCType = NSCloud
func _bridgeToObjectiveC() -> NSCloud
static func _forceBridgeFromObjectiveC(_ source: NSCloud,
result: inout Butt?)
static func _conditionallyBridgeFromObjectiveC(_ source: NSCloud,
result: inout Butt?) -> Bool
}
sil @checked_cast_object_to_value : $@convention(thin) () -> () {
entry:
%b = alloc_stack $NSCloud
%c = alloc_stack $Butt
checked_cast_addr_br take_always NSCloud in %b : $*NSCloud to Butt in %c : $*Butt, bb1, bb2
bb1:
br bb3
bb2:
br bb3
bb3:
dealloc_stack %c : $*Butt
dealloc_stack %b : $*NSCloud
return undef : $()
}
sil @checked_cast_value_to_object : $@convention(thin) () -> () {
entry:
%b = alloc_stack $NSCloud
%c = alloc_stack $Butt
checked_cast_addr_br take_always Butt in %c : $*Butt to NSCloud in %b : $*NSCloud, bb1, bb2
bb1:
br bb3
bb2:
br bb3
bb3:
dealloc_stack %c : $*Butt
dealloc_stack %b : $*NSCloud
return undef : $()
}
// CHECK-LABEL: sil @inline_into_here
// CHECK: checked_cast_addr_br take_always NSCloud in {{%.*}} : $*NSCloud to Butt in {{%.*}} : $*Butt
// CHECK: checked_cast_addr_br take_always Butt in {{%.*}} : $*Butt to NSCloud in {{%.*}} : $*NSCloud
sil @inline_into_here : $@convention(thin) () -> () {
entry:
%f = function_ref @checked_cast_object_to_value : $@convention(thin) () -> ()
%y = apply %f() : $@convention(thin) () -> ()
%g = function_ref @checked_cast_value_to_object : $@convention(thin) () -> ()
%z = apply %g() : $@convention(thin) () -> ()
return %z : $()
}
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