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// RUN: %target-swift-emit-sil -parse-as-library -module-name back_deploy %s -target %target-cpu-apple-macosx10.50 -verify
// RUN: %target-swift-emit-silgen -parse-as-library -module-name back_deploy %s | %FileCheck %s
// RUN: %target-swift-emit-silgen -parse-as-library -module-name back_deploy %s -target %target-cpu-apple-macosx10.50 | %FileCheck %s
// REQUIRES: OS=macosx
public struct TopLevelStruct {
// -- Fallback definition for TopLevelStruct.property.getter
// CHECK-LABEL: sil non_abi [serialized] [ossa] @$s11back_deploy14TopLevelStructV8propertyACvgTwB : $@convention(method) (TopLevelStruct) -> TopLevelStruct
// CHECK: bb0([[SELF:%.*]] : $TopLevelStruct):
// CHECK: return [[SELF]] : $TopLevelStruct
// -- Back deployment thunk for TopLevelStruct.property.getter
// CHECK-LABEL: sil non_abi [serialized] [thunk] [ossa] @$s11back_deploy14TopLevelStructV8propertyACvgTwb : $@convention(method) (TopLevelStruct) -> TopLevelStruct
// CHECK: bb0([[BB0_ARG:%.*]] : $TopLevelStruct):
// CHECK: [[MAJOR:%.*]] = integer_literal $Builtin.Word, 52
// CHECK: [[MINOR:%.*]] = integer_literal $Builtin.Word, 1
// CHECK: [[PATCH:%.*]] = integer_literal $Builtin.Word, 0
// CHECK: [[OSVFN:%.*]] = function_ref @$ss26_stdlib_isOSVersionAtLeastyBi1_Bw_BwBwtF : $@convention(thin) (Builtin.Word, Builtin.Word, Builtin.Word) -> Builtin.Int1
// CHECK: [[AVAIL:%.*]] = apply [[OSVFN]]([[MAJOR]], [[MINOR]], [[PATCH]]) : $@convention(thin) (Builtin.Word, Builtin.Word, Builtin.Word) -> Builtin.Int1
// CHECK: cond_br [[AVAIL]], [[AVAIL_BB:bb[0-9]+]], [[UNAVAIL_BB:bb[0-9]+]]
//
// CHECK: [[UNAVAIL_BB]]:
// CHECK: [[FALLBACKFN:%.*]] = function_ref @$s11back_deploy14TopLevelStructV8propertyACvgTwB : $@convention(method) (TopLevelStruct) -> TopLevelStruct
// CHECK: [[FALLBACKRES:%.*]] = apply [[FALLBACKFN]]([[BB0_ARG]]) : $@convention(method) (TopLevelStruct) -> TopLevelStruct
// CHECK: br [[RETURN_BB:bb[0-9]+]]([[FALLBACKRES]] : $TopLevelStruct)
//
// CHECK: [[AVAIL_BB]]:
// CHECK: [[ORIGFN:%.*]] = function_ref @$s11back_deploy14TopLevelStructV8propertyACvg : $@convention(method) (TopLevelStruct) -> TopLevelStruct
// CHECK: [[ORIGRES:%.*]] = apply [[ORIGFN]]([[BB0_ARG]]) : $@convention(method) (TopLevelStruct) -> TopLevelStruct
// CHECK: br [[RETURN_BB]]([[ORIGRES]] : $TopLevelStruct)
//
// CHECK: [[RETURN_BB]]([[RETURN_BB_ARG:%.*]] : $TopLevelStruct)
// CHECK: return [[RETURN_BB_ARG]] : $TopLevelStruct
// -- Original definition of TopLevelStruct.property.getter
// CHECK-LABEL: sil [available 52.1] [ossa] @$s11back_deploy14TopLevelStructV8propertyACvg : $@convention(method) (TopLevelStruct) -> TopLevelStruct
@backDeployed(before: macOS 52.1)
public var property: TopLevelStruct { self }
}
// CHECK-LABEL: sil hidden [ossa] @$s11back_deploy6calleryyAA14TopLevelStructVF : $@convention(thin) (TopLevelStruct) -> ()
// CHECK: bb0([[STRUCT_ARG:%.*]] : $TopLevelStruct):
func caller(_ s: TopLevelStruct) {
// -- Verify the thunk is called
// CHECK: {{%.*}} = function_ref @$s11back_deploy14TopLevelStructV8propertyACvgTwb : $@convention(method) (TopLevelStruct) -> TopLevelStruct
_ = s.property
// -- Verify key path
// CHECK: {{%.*}} = keypath $KeyPath<TopLevelStruct, TopLevelStruct>, (root $TopLevelStruct; gettable_property $TopLevelStruct, id @$s11back_deploy14TopLevelStructV8propertyACvg : $@convention(method) (TopLevelStruct) -> TopLevelStruct, getter @$s11back_deploy14TopLevelStructV8propertyACvpACTK : $@convention(keypath_accessor_getter) (@in_guaranteed TopLevelStruct) -> @out TopLevelStruct)
_ = \TopLevelStruct.property
}
// CHECK-LABEL: sil shared [thunk] [ossa] @$s11back_deploy14TopLevelStructV8propertyACvpACTK : $@convention(keypath_accessor_getter) (@in_guaranteed TopLevelStruct) -> @out TopLevelStruct
// CHECK: function_ref @$s11back_deploy14TopLevelStructV8propertyACvgTwb
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