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// RUN: %target-swift-emit-silgen -module-name reabstract_lvalue %s | %FileCheck %s
struct MyMetatypeIsThin {}
// CHECK-LABEL: sil hidden [ossa] @$s17reabstract_lvalue19consumeGenericInOut{{[_0-9a-zA-Z]*}}F : $@convention(thin) <T> (@inout T) -> ()
func consumeGenericInOut<T>(_ x: inout T) {}
// CHECK-LABEL: sil hidden [ossa] @$s17reabstract_lvalue9transformySdSiF : $@convention(thin) (Int) -> Double
func transform(_ i: Int) -> Double {
return Double(i)
}
// CHECK-LABEL: sil hidden [ossa] @$s17reabstract_lvalue0A13FunctionInOutyyF : $@convention(thin) () -> ()
func reabstractFunctionInOut() {
// CHECK: [[BOX:%.*]] = alloc_box ${ var @callee_guaranteed (Int) -> Double }
// CHECK: [[LIFETIME:%[^,]+]] = begin_borrow [lexical] [var_decl] [[BOX]]
// CHECK: [[PB:%.*]] = project_box [[LIFETIME]]
// CHECK: [[ARG:%.*]] = function_ref @$s17reabstract_lvalue9transformySdSiF
// CHECK: [[THICK_ARG:%.*]] = thin_to_thick_function [[ARG]]
// CHECK: store [[THICK_ARG:%.*]] to [init] [[PB]]
// CHECK: [[WRITE:%.*]] = begin_access [modify] [unknown] [[PB]] : $*@callee_guaranteed (Int) -> Double
// CHECK: [[ABSTRACTED_BOX:%.*]] = alloc_stack $@callee_guaranteed @substituted <τ_0_0, τ_0_1> (@in_guaranteed τ_0_0) -> @out τ_0_1 for <Int, Double>
// CHECK: [[THICK_ARG:%.*]] = load [copy] [[WRITE]]
// CHECK: [[THUNK1:%.*]] = function_ref @$sSiSdIegyd_SiSdIegnr_TR
// CHECK: [[ABSTRACTED_ARG:%.*]] = partial_apply [callee_guaranteed] [[THUNK1]]([[THICK_ARG]])
// CHECK: [[CONVERTED_ARG:%.*]] = convert_function [[ABSTRACTED_ARG]]
// CHECK: store [[CONVERTED_ARG]] to [init] [[ABSTRACTED_BOX]]
// CHECK: [[FUNC:%.*]] = function_ref @$s17reabstract_lvalue19consumeGenericInOut{{[_0-9a-zA-Z]*}}F
// CHECK: apply [[FUNC]]<(Int) -> Double>([[ABSTRACTED_BOX]])
// CHECK: [[NEW_ABSTRACTED_ARG:%.*]] = load [take] [[ABSTRACTED_BOX]]
// CHECK: [[NEW_CONVERTED_ARG:%.*]] = convert_function [[NEW_ABSTRACTED_ARG]]
// CHECK: [[THUNK2:%.*]] = function_ref @$sSiSdIegnr_SiSdIegyd_TR
// CHECK: [[NEW_ARG:%.*]] = partial_apply [callee_guaranteed] [[THUNK2]]([[NEW_CONVERTED_ARG]])
var minimallyAbstracted = transform
consumeGenericInOut(&minimallyAbstracted)
}
// CHECK-LABEL: sil shared [transparent] [serialized] [reabstraction_thunk] [ossa] @$sSiSdIegyd_SiSdIegnr_TR : $@convention(thin) (@in_guaranteed Int, @guaranteed @callee_guaranteed (Int) -> Double) -> @out Double
// CHECK-LABEL: sil shared [transparent] [serialized] [reabstraction_thunk] [ossa] @$sSiSdIegnr_SiSdIegyd_TR : $@convention(thin) (Int, @guaranteed @callee_guaranteed (@in_guaranteed Int) -> @out Double) -> Double
// CHECK-LABEL: sil hidden [ossa] @$s17reabstract_lvalue0A13MetatypeInOutyyF : $@convention(thin) () -> ()
func reabstractMetatypeInOut() {
var thinMetatype = MyMetatypeIsThin.self
// CHECK: [[BOX:%.*]] = alloc_stack $@thick MyMetatypeIsThin.Type
// CHECK: [[THICK:%.*]] = metatype $@thick MyMetatypeIsThin.Type
// CHECK: store [[THICK]] to [trivial] [[BOX]]
// CHECK: [[FUNC:%.*]] = function_ref @$s17reabstract_lvalue19consumeGenericInOut{{[_0-9a-zA-Z]*}}F
// CHECK: apply [[FUNC]]<MyMetatypeIsThin.Type>([[BOX]])
consumeGenericInOut(&thinMetatype)
}
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