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fd4828e40a
I am doing this separately from the actual change to eliminate the option to make it easier to review.
72 lines
1.9 KiB
Plaintext
72 lines
1.9 KiB
Plaintext
// RUN: %target-sil-opt -enable-sil-verify-all -inline %s | %FileCheck %s
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// REQUIRES: objc_interop
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import Swift
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// FIXME: Should go into the standard library.
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public extension _ObjectiveCBridgeable {
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static func _unconditionallyBridgeFromObjectiveC(_ source: _ObjectiveCType?)
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-> Self
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}
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@objc class NSCloud {}
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struct Butt: _ObjectiveCBridgeable {
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typealias _ObjectiveCType = NSCloud
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func _bridgeToObjectiveC() -> NSCloud
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static func _forceBridgeFromObjectiveC(_ source: NSCloud,
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result: inout Butt?)
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static func _conditionallyBridgeFromObjectiveC(_ source: NSCloud,
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result: inout Butt?) -> Bool
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}
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sil @checked_cast_object_to_value : $@convention(thin) () -> () {
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entry:
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%b = alloc_stack $NSCloud
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%c = alloc_stack $Butt
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checked_cast_addr_br take_always NSCloud in %b : $*NSCloud to Butt in %c : $*Butt, bb1, bb2
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bb1:
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br bb3
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bb2:
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br bb3
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bb3:
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dealloc_stack %c : $*Butt
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dealloc_stack %b : $*NSCloud
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return undef : $()
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}
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sil @checked_cast_value_to_object : $@convention(thin) () -> () {
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entry:
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%b = alloc_stack $NSCloud
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%c = alloc_stack $Butt
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checked_cast_addr_br take_always Butt in %c : $*Butt to NSCloud in %b : $*NSCloud, bb1, bb2
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bb1:
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br bb3
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bb2:
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br bb3
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bb3:
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dealloc_stack %c : $*Butt
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dealloc_stack %b : $*NSCloud
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return undef : $()
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}
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// CHECK-LABEL: sil @inline_into_here
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// CHECK: checked_cast_addr_br take_always NSCloud in {{%.*}} : $*NSCloud to Butt in {{%.*}} : $*Butt
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// CHECK: checked_cast_addr_br take_always Butt in {{%.*}} : $*Butt to NSCloud in {{%.*}} : $*NSCloud
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sil @inline_into_here : $@convention(thin) () -> () {
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entry:
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%f = function_ref @checked_cast_object_to_value : $@convention(thin) () -> ()
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%y = apply %f() : $@convention(thin) () -> ()
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%g = function_ref @checked_cast_value_to_object : $@convention(thin) () -> ()
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%z = apply %g() : $@convention(thin) () -> ()
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return %z : $()
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}
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