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76 lines
4.9 KiB
Swift
76 lines
4.9 KiB
Swift
// RUN: %target-swift-emit-sil -parse-as-library -module-name back_deploy %s -target %target-cpu-apple-macosx10.50 -verify
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// RUN: %target-swift-emit-silgen -parse-as-library -module-name back_deploy %s | %FileCheck %s
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// RUN: %target-swift-emit-silgen -parse-as-library -module-name back_deploy %s -target %target-cpu-apple-macosx10.50 | %FileCheck %s
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// REQUIRES: OS=macosx
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@available(macOS 10.50, *)
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public struct TopLevelStruct<T> {
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@usableFromInline var t: T
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// -- Fallback definition for TopLevelStruct.init(_:)
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// CHECK-LABEL: sil non_abi [serialized] [ossa] @$s11back_deploy14TopLevelStructVyACyxGxcfCTwB : $@convention(method) <T> (@in T, @thin TopLevelStruct<T>.Type) -> @out TopLevelStruct<T>
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// CHECK: bb0([[SELF_OUT:%.*]] : $*TopLevelStruct<T>, [[T_ARG:%.*]] : $*T, [[METATYPE_ARG:%.*]] : $@thin TopLevelStruct<T>.Type):
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// CHECK: [[SELF:%.*]] = alloc_box $<τ_0_0> { var TopLevelStruct<τ_0_0> } <T>, var, name "self"
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// CHECK: [[MARKED_SELF:%.*]] = mark_uninitialized [rootself] [[SELF]] : $<τ_0_0> { var TopLevelStruct<τ_0_0> } <T>
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// CHECK: [[BORROWED_SELF:%.*]] = begin_borrow [lexical] [var_decl] [[MARKED_SELF]] : $<τ_0_0> { var TopLevelStruct<τ_0_0> } <T>
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// CHECK: [[BOX:%.*]] = project_box [[BORROWED_SELF]] : $<τ_0_0> { var TopLevelStruct<τ_0_0> } <T>, 0
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// CHECK: [[T_STACK:%.*]] = alloc_stack $T
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// CHECK: copy_addr [[T_ARG]] to [init] [[T_STACK]] : $*T
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// CHECK: [[ACCESS:%.*]] = begin_access [modify] [unknown] [[BOX]] : $*TopLevelStruct<T>
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// CHECK: [[ELEM_ADDR:%.*]] = struct_element_addr [[ACCESS]] : $*TopLevelStruct<T>, #TopLevelStruct.t
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// CHECK: copy_addr [take] [[T_STACK]] to [[ELEM_ADDR]] : $*T
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// CHECK: end_access [[ACCESS]] : $*TopLevelStruct<T>
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// CHECK: dealloc_stack [[T_STACK]] : $*T
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// CHECK: copy_addr [[BOX]] to [init] [[SELF_OUT]] : $*TopLevelStruct<T>
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// CHECK: destroy_addr [[T_ARG]] : $*T
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// CHECK: end_borrow [[BORROWED_SELF]] : $<τ_0_0> { var TopLevelStruct<τ_0_0> } <T>
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// CHECK: destroy_value [[MARKED_SELF]] : $<τ_0_0> { var TopLevelStruct<τ_0_0> } <T>
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// CHECK: [[RESULT:%.*]] = tuple ()
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// CHECK: return [[RESULT]] : $()
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// -- Back deployment thunk for TopLevelStruct.init(_:)
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// CHECK-LABEL: sil non_abi [serialized] [thunk] [ossa] @$s11back_deploy14TopLevelStructVyACyxGxcfCTwb : $@convention(method) <T> (@in T, @thin TopLevelStruct<T>.Type) -> @out TopLevelStruct<T>
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// CHECK: bb0([[SELF_OUT:%.*]] : $*TopLevelStruct<T>, [[T_ARG:%.*]] : $*T, [[METATYPE_ARG:%.*]] : $@thin TopLevelStruct<T>.Type):
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// CHECK: [[MAJOR:%.*]] = integer_literal $Builtin.Word, 10
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// CHECK: [[MINOR:%.*]] = integer_literal $Builtin.Word, 52
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// CHECK: [[PATCH:%.*]] = integer_literal $Builtin.Word, 0
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// CHECK: [[OSVFN:%.*]] = function_ref @$ss26_stdlib_isOSVersionAtLeastyBi1_Bw_BwBwtF : $@convention(thin) (Builtin.Word, Builtin.Word, Builtin.Word) -> Builtin.Int1
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// CHECK: [[AVAIL:%.*]] = apply [[OSVFN]]([[MAJOR]], [[MINOR]], [[PATCH]]) : $@convention(thin) (Builtin.Word, Builtin.Word, Builtin.Word) -> Builtin.Int1
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// CHECK: cond_br [[AVAIL]], [[AVAIL_BB:bb[0-9]+]], [[UNAVAIL_BB:bb[0-9]+]]
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//
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// CHECK: [[UNAVAIL_BB]]:
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// CHECK: [[FALLBACKFN:%.*]] = function_ref @$s11back_deploy14TopLevelStructVyACyxGxcfCTwB : $@convention(method) <τ_0_0> (@in τ_0_0, @thin TopLevelStruct<τ_0_0>.Type) -> @out TopLevelStruct<τ_0_0>
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// CHECK: {{%.*}} = apply [[FALLBACKFN]]<T>([[SELF_OUT]], [[T_ARG]], [[METATYPE_ARG]]) : $@convention(method) <τ_0_0> (@in τ_0_0, @thin TopLevelStruct<τ_0_0>.Type) -> @out TopLevelStruct<τ_0_0>
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// CHECK: br [[RETURN_BB:bb[0-9]+]]
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//
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// CHECK: [[AVAIL_BB]]:
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// CHECK: [[ORIGFN:%.*]] = function_ref @$s11back_deploy14TopLevelStructVyACyxGxcfC : $@convention(method) <τ_0_0> (@in τ_0_0, @thin TopLevelStruct<τ_0_0>.Type) -> @out TopLevelStruct<τ_0_0>
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// CHECK: {{%.*}} = apply [[ORIGFN]]<T>([[SELF_OUT]], [[T_ARG]], [[METATYPE_ARG]]) : $@convention(method) <τ_0_0> (@in τ_0_0, @thin TopLevelStruct<τ_0_0>.Type) -> @out TopLevelStruct<τ_0_0>
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// CHECK: br [[RETURN_BB]]
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//
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// CHECK: [[RETURN_BB]]
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// CHECK: [[RESULT:%.*]] = tuple ()
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// CHECK: return [[RESULT]] : $()
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// -- Original definition of TopLevelStruct.init(_:)
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// CHECK-LABEL: sil [available 10.52] [ossa] @$s11back_deploy14TopLevelStructVyACyxGxcfC : $@convention(method) <T> (@in T, @thin TopLevelStruct<T>.Type) -> @out TopLevelStruct<T>
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@available(macOS 10.51, *)
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@backDeployed(before: macOS 10.52)
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public init(_ t: T) {
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self.t = t
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}
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}
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struct S {}
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// CHECK-LABEL: sil hidden [available 10.51] [ossa] @$s11back_deploy6calleryyAA1SVF : $@convention(thin) (S) -> ()
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// CHECK: bb0([[STRUCT_ARG:%.*]] : $S):
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@available(macOS 10.51, *)
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func caller(_ s: S) {
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// -- Verify the thunk is called
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// CHECK: {{%.*}} = function_ref @$s11back_deploy14TopLevelStructVyACyxGxcfCTwb : $@convention(method) <τ_0_0> (@in τ_0_0, @thin TopLevelStruct<τ_0_0>.Type) -> @out TopLevelStruct<τ_0_0>
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_ = TopLevelStruct(s)
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}
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