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244 lines
11 KiB
Swift
244 lines
11 KiB
Swift
// RUN: rm -rf %t && mkdir %t
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// RUN: %target-swift-frontend -emit-module -enable-resilience -emit-module-path=%t/resilient_struct.swiftmodule -module-name=resilient_struct %S/../Inputs/resilient_struct.swift
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// RUN: %target-swift-frontend -I %t -emit-silgen -enable-resilience %s | %FileCheck %s
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import resilient_struct
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// Resilient structs are always address-only
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// CHECK-LABEL: sil hidden @_T017struct_resilience26functionWithResilientTypes010resilient_A04SizeVAE_A2Ec1ftF : $@convention(thin) (@in Size, @owned @callee_owned (@in Size) -> @out Size) -> @out Size
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// CHECK: bb0(%0 : $*Size, %1 : $*Size, %2 : $@callee_owned (@in Size) -> @out Size):
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func functionWithResilientTypes(_ s: Size, f: (Size) -> Size) -> Size {
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// Stored properties of resilient structs from outside our resilience
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// domain are accessed through accessors
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// CHECK: copy_addr %1 to [initialization] [[OTHER_SIZE_BOX:%[0-9]*]] : $*Size
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var s2 = s
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// CHECK: copy_addr %1 to [initialization] [[SIZE_BOX:%.*]] : $*Size
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// CHECK: [[FN:%.*]] = function_ref @_T016resilient_struct4SizeV1wSifg : $@convention(method) (@in_guaranteed Size) -> Int
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// CHECK: [[RESULT:%.*]] = apply [[FN]]([[SIZE_BOX]])
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// CHECK: [[WRITE:%.*]] = begin_access [modify] [unknown] [[OTHER_SIZE_BOX]] : $*Size
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// CHECK: [[FN:%.*]] = function_ref @_T016resilient_struct4SizeV1wSifs : $@convention(method) (Int, @inout Size) -> ()
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// CHECK: apply [[FN]]([[RESULT]], [[WRITE]])
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s2.w = s.w
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// CHECK: copy_addr %1 to [initialization] [[SIZE_BOX:%.*]] : $*Size
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// CHECK: [[FN:%.*]] = function_ref @_T016resilient_struct4SizeV1hSifg : $@convention(method) (@in_guaranteed Size) -> Int
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// CHECK: [[RESULT:%.*]] = apply [[FN]]([[SIZE_BOX]])
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_ = s.h
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// CHECK: [[COPIED_CLOSURE:%.*]] = copy_value %2
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// CHECK: copy_addr %1 to [initialization] [[SIZE_BOX:%.*]] : $*Size
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// CHECK: apply [[COPIED_CLOSURE]](%0, [[SIZE_BOX]])
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// CHECK: return
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return f(s)
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}
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// Use materializeForSet for inout access of properties in resilient structs
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// from a different resilience domain
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func inoutFunc(_ x: inout Int) {}
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// CHECK-LABEL: sil hidden @_T017struct_resilience18resilientInOutTesty0c1_A04SizeVzF : $@convention(thin) (@inout Size) -> ()
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func resilientInOutTest(_ s: inout Size) {
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// CHECK: function_ref @_T017struct_resilience9inoutFuncySizF
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// CHECK: function_ref @_T016resilient_struct4SizeV1wSifm
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inoutFunc(&s.w)
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// CHECK: return
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}
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// Fixed-layout structs may be trivial or loadable
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// CHECK-LABEL: sil hidden @_T017struct_resilience28functionWithFixedLayoutTypes010resilient_A05PointVAE_A2Ec1ftF : $@convention(thin) (Point, @owned @callee_owned (Point) -> Point) -> Point
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// CHECK: bb0(%0 : $Point, %1 : $@callee_owned (Point) -> Point):
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func functionWithFixedLayoutTypes(_ p: Point, f: (Point) -> Point) -> Point {
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// Stored properties of fixed layout structs are accessed directly
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var p2 = p
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// CHECK: [[RESULT:%.*]] = struct_extract %0 : $Point, #Point.x
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// CHECK: [[DEST:%.*]] = struct_element_addr [[POINT_BOX:%[0-9]*]] : $*Point, #Point.x
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// CHECK: assign [[RESULT]] to [[DEST]] : $*Int
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p2.x = p.x
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// CHECK: [[RESULT:%.*]] = struct_extract %0 : $Point, #Point.y
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_ = p.y
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// CHECK: [[COPIED_CLOSURE:%.*]] = copy_value %1
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// CHECK: [[NEW_POINT:%.*]] = apply [[COPIED_CLOSURE]](%0)
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// CHECK: return [[NEW_POINT]]
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return f(p)
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}
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// Fixed-layout struct with resilient stored properties is still address-only
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// CHECK-LABEL: sil hidden @_T017struct_resilience39functionWithFixedLayoutOfResilientTypes010resilient_A09RectangleVAE_A2Ec1ftF : $@convention(thin) (@in Rectangle, @owned @callee_owned (@in Rectangle) -> @out Rectangle) -> @out Rectangle
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// CHECK: bb0(%0 : $*Rectangle, %1 : $*Rectangle, %2 : $@callee_owned (@in Rectangle) -> @out Rectangle):
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func functionWithFixedLayoutOfResilientTypes(_ r: Rectangle, f: (Rectangle) -> Rectangle) -> Rectangle {
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return f(r)
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}
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// Make sure we generate getters and setters for stored properties of
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// resilient structs
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public struct MySize {
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// Static computed property
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// CHECK-LABEL: sil @_T017struct_resilience6MySizeV10expirationSifgZ : $@convention(method) (@thin MySize.Type) -> Int
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// CHECK-LABEL: sil @_T017struct_resilience6MySizeV10expirationSifsZ : $@convention(method) (Int, @thin MySize.Type) -> ()
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// CHECK-LABEL: sil @_T017struct_resilience6MySizeV10expirationSifmZ : $@convention(method) (Builtin.RawPointer, @inout Builtin.UnsafeValueBuffer, @thin MySize.Type) -> (Builtin.RawPointer, Optional<Builtin.RawPointer>)
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public static var expiration: Int {
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get { return copyright + 70 }
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set { copyright = newValue - 70 }
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}
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// Instance computed property
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// CHECK-LABEL: sil @_T017struct_resilience6MySizeV1dSifg : $@convention(method) (@in_guaranteed MySize) -> Int
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// CHECK-LABEL: sil @_T017struct_resilience6MySizeV1dSifs : $@convention(method) (Int, @inout MySize) -> ()
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// CHECK-LABEL: sil @_T017struct_resilience6MySizeV1dSifm : $@convention(method) (Builtin.RawPointer, @inout Builtin.UnsafeValueBuffer, @inout MySize) -> (Builtin.RawPointer, Optional<Builtin.RawPointer>)
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public var d: Int {
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get { return 0 }
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set { }
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}
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// Instance stored property
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// CHECK-LABEL: sil @_T017struct_resilience6MySizeV1wSifg : $@convention(method) (@in_guaranteed MySize) -> Int
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// CHECK-LABEL: sil @_T017struct_resilience6MySizeV1wSifs : $@convention(method) (Int, @inout MySize) -> ()
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// CHECK-LABEL: sil @_T017struct_resilience6MySizeV1wSifm : $@convention(method) (Builtin.RawPointer, @inout Builtin.UnsafeValueBuffer, @inout MySize) -> (Builtin.RawPointer, Optional<Builtin.RawPointer>)
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public var w: Int
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// Read-only instance stored property
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// CHECK-LABEL: sil @_T017struct_resilience6MySizeV1hSifg : $@convention(method) (@in_guaranteed MySize) -> Int
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public let h: Int
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// Static stored property
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// CHECK-LABEL: sil @_T017struct_resilience6MySizeV9copyrightSifgZ : $@convention(method) (@thin MySize.Type) -> Int
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// CHECK-LABEL: sil @_T017struct_resilience6MySizeV9copyrightSifsZ : $@convention(method) (Int, @thin MySize.Type) -> ()
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// CHECK-LABEL: sil @_T017struct_resilience6MySizeV9copyrightSifmZ : $@convention(method) (Builtin.RawPointer, @inout Builtin.UnsafeValueBuffer, @thin MySize.Type) -> (Builtin.RawPointer, Optional<Builtin.RawPointer>)
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public static var copyright: Int = 0
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}
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// CHECK-LABEL: sil @_T017struct_resilience28functionWithMyResilientTypesAA0E4SizeVAD_A2Dc1ftF : $@convention(thin) (@in MySize, @owned @callee_owned (@in MySize) -> @out MySize) -> @out MySize
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public func functionWithMyResilientTypes(_ s: MySize, f: (MySize) -> MySize) -> MySize {
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// Stored properties of resilient structs from inside our resilience
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// domain are accessed directly
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// CHECK: copy_addr %1 to [initialization] [[SIZE_BOX:%[0-9]*]] : $*MySize
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var s2 = s
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// CHECK: [[SRC_ADDR:%.*]] = struct_element_addr %1 : $*MySize, #MySize.w
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// CHECK: [[SRC:%.*]] = load [trivial] [[SRC_ADDR]] : $*Int
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// CHECK: [[WRITE:%.*]] = begin_access [modify] [unknown] [[SIZE_BOX]] : $*MySize
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// CHECK: [[DEST_ADDR:%.*]] = struct_element_addr [[WRITE]] : $*MySize, #MySize.w
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// CHECK: assign [[SRC]] to [[DEST_ADDR]] : $*Int
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s2.w = s.w
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// CHECK: [[RESULT_ADDR:%.*]] = struct_element_addr %1 : $*MySize, #MySize.h
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// CHECK: [[RESULT:%.*]] = load [trivial] [[RESULT_ADDR]] : $*Int
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_ = s.h
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// CHECK: [[BORROWED_CLOSURE:%.*]] = begin_borrow %2
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// CHECK: [[CLOSURE_COPY:%.*]] = copy_value [[BORROWED_CLOSURE]]
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// CHECK: copy_addr %1 to [initialization] [[SIZE_BOX:%.*]] : $*MySize
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// CHECK: apply [[CLOSURE_COPY]](%0, [[SIZE_BOX]])
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// CHECK: return
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return f(s)
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}
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// CHECK-LABEL: sil [transparent] [serialized] @_T017struct_resilience25publicTransparentFunctionSiAA6MySizeVF : $@convention(thin) (@in MySize) -> Int
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@_transparent public func publicTransparentFunction(_ s: MySize) -> Int {
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// Since the body of a public transparent function might be inlined into
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// other resilience domains, we have to use accessors
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// CHECK: [[SELF:%.*]] = alloc_stack $MySize
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// CHECK-NEXT: copy_addr %0 to [initialization] [[SELF]]
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// CHECK: [[GETTER:%.*]] = function_ref @_T017struct_resilience6MySizeV1wSifg
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// CHECK-NEXT: [[RESULT:%.*]] = apply [[GETTER]]([[SELF]])
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// CHECK-NEXT: destroy_addr [[SELF]]
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// CHECK-NEXT: dealloc_stack [[SELF]]
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// CHECK-NEXT: destroy_addr %0
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// CHECK-NEXT: return [[RESULT]]
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return s.w
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}
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// CHECK-LABEL: sil [transparent] [serialized] @_T017struct_resilience30publicTransparentLocalFunctionSiycAA6MySizeVF : $@convention(thin) (@in MySize) -> @owned @callee_owned () -> Int
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@_transparent public func publicTransparentLocalFunction(_ s: MySize) -> () -> Int {
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// CHECK-LABEL: sil shared [serialized] @_T017struct_resilience30publicTransparentLocalFunctionSiycAA6MySizeVFSiycfU_ : $@convention(thin) (@owned { var MySize }) -> Int
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// CHECK: function_ref @_T017struct_resilience6MySizeV1wSifg : $@convention(method) (@in_guaranteed MySize) -> Int
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// CHECK: return {{.*}} : $Int
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return { s.w }
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}
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// CHECK-LABEL: sil hidden [transparent] @_T017struct_resilience27internalTransparentFunctionSiAA6MySizeVF : $@convention(thin) (@in MySize) -> Int
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// CHECK: bb0([[ARG:%.*]] : $*MySize):
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@_transparent func internalTransparentFunction(_ s: MySize) -> Int {
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// The body of an internal transparent function will not be inlined into
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// other resilience domains, so we can access storage directly
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// CHECK: [[W_ADDR:%.*]] = struct_element_addr [[ARG]] : $*MySize, #MySize.w
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// CHECK-NEXT: [[RESULT:%.*]] = load [trivial] [[W_ADDR]] : $*Int
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// CHECK-NEXT: destroy_addr [[ARG]]
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// CHECK-NEXT: return [[RESULT]]
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return s.w
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}
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// CHECK-LABEL: sil [serialized] [always_inline] @_T017struct_resilience26publicInlineAlwaysFunctionSiAA6MySizeVF : $@convention(thin) (@in MySize) -> Int
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@inline(__always) public func publicInlineAlwaysFunction(_ s: MySize) -> Int {
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// Since the body of a public transparent function might be inlined into
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// other resilience domains, we have to use accessors
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// CHECK: [[SELF:%.*]] = alloc_stack $MySize
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// CHECK-NEXT: copy_addr %0 to [initialization] [[SELF]]
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// CHECK: [[GETTER:%.*]] = function_ref @_T017struct_resilience6MySizeV1wSifg
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// CHECK-NEXT: [[RESULT:%.*]] = apply [[GETTER]]([[SELF]])
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// CHECK-NEXT: destroy_addr [[SELF]]
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// CHECK-NEXT: dealloc_stack [[SELF]]
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// CHECK-NEXT: destroy_addr %0
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// CHECK-NEXT: return [[RESULT]]
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return s.w
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}
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// Make sure that @_versioned entities can be resilient
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@_versioned struct VersionedResilientStruct {
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@_versioned let x: Int
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@_versioned let y: Int
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@_versioned init(x: Int, y: Int) {
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self.x = x
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self.y = y
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}
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}
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// CHECK-LABEL: sil [transparent] [serialized] @_T017struct_resilience27useVersionedResilientStructAA0deF0VADF : $@convention(thin) (@in VersionedResilientStruct) -> @out VersionedResilientStruct
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@_versioned
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@_transparent func useVersionedResilientStruct(_ s: VersionedResilientStruct)
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-> VersionedResilientStruct {
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// CHECK: function_ref @_T017struct_resilience24VersionedResilientStructVACSi1x_Si1ytcfC
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// CHECK: function_ref @_T017struct_resilience24VersionedResilientStructV1ySifg
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// CHECK: function_ref @_T017struct_resilience24VersionedResilientStructV1xSifg
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return VersionedResilientStruct(x: s.y, y: s.x)
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}
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