| // RUN: %target-swift-frontend -Xllvm -sil-full-demangle -emit-silgen %s | FileCheck %s |
| |
| // Hold a reference to do to magically become non-POD. |
| class Reference {} |
| |
| // A struct with a non-mutating getter and a mutating setter. |
| struct OrdinarySub { |
| var ptr = Reference() |
| subscript(value: Int) -> Int { |
| get { return value } |
| set {} |
| } |
| } |
| |
| class A { var array = OrdinarySub() } |
| |
| func index0() -> Int { return 0 } |
| func index1() -> Int { return 1 } |
| |
| func someValidPointer<T>() -> UnsafePointer<T> { fatalError() } |
| func someValidPointer<T>() -> UnsafeMutablePointer<T> { fatalError() } |
| |
| // Verify that there is no unnecessary extra retain of ref.array. |
| // rdar://19002913 |
| func test0(_ ref: A) { |
| ref.array[index0()] = ref.array[index1()] |
| } |
| // CHECK: sil hidden @_TF9accessors5test0FCS_1AT_ : $@convention(thin) (@owned A) -> () { |
| // CHECK: bb0(%0 : $A): |
| // CHECK-NEXT: debug_value |
| // Formal evaluation of LHS. |
| // CHECK-NEXT: // function_ref accessors.index0 () -> Swift.Int |
| // CHECK-NEXT: [[T0:%.*]] = function_ref @_TF9accessors6index0FT_Si |
| // CHECK-NEXT: [[INDEX0:%.*]] = apply [[T0]]() |
| // Formal evaluation of RHS. |
| // CHECK-NEXT: // function_ref accessors.index1 () -> Swift.Int |
| // CHECK-NEXT: [[T0:%.*]] = function_ref @_TF9accessors6index1FT_Si |
| // CHECK-NEXT: [[INDEX1:%.*]] = apply [[T0]]() |
| // Formal access to RHS. |
| // CHECK-NEXT: [[TEMP:%.*]] = alloc_stack $OrdinarySub |
| // CHECK-NEXT: [[T0:%.*]] = class_method %0 : $A, #A.array!getter.1 |
| // CHECK-NEXT: [[T1:%.*]] = apply [[T0]](%0) |
| // CHECK-NEXT: store [[T1]] to [[TEMP]] |
| // CHECK-NEXT: [[T0:%.*]] = load [[TEMP]] |
| // CHECK-NEXT: // function_ref accessors.OrdinarySub.subscript.getter : (Swift.Int) -> Swift.Int |
| // CHECK-NEXT: [[T1:%.*]] = function_ref @_TFV9accessors11OrdinarySubg9subscriptFSiSi |
| // CHECK-NEXT: [[VALUE:%.*]] = apply [[T1]]([[INDEX1]], [[T0]]) |
| // CHECK-NEXT: release_value [[T0]] |
| // Formal access to LHS. |
| // CHECK-NEXT: [[STORAGE:%.*]] = alloc_stack $Builtin.UnsafeValueBuffer |
| // CHECK-NEXT: [[BUFFER:%.*]] = alloc_stack $OrdinarySub |
| // CHECK-NEXT: [[T0:%.*]] = address_to_pointer [[BUFFER]] |
| // CHECK-NEXT: [[T1:%.*]] = class_method %0 : $A, #A.array!materializeForSet.1 |
| // CHECK-NEXT: [[T2:%.*]] = apply [[T1]]([[T0]], [[STORAGE]], %0) |
| // CHECK-NEXT: [[T3:%.*]] = tuple_extract [[T2]] {{.*}}, 0 |
| // CHECK-NEXT: [[OPT_CALLBACK:%.*]] = tuple_extract [[T2]] {{.*}}, 1 |
| // CHECK-NEXT: [[T4:%.*]] = pointer_to_address [[T3]] |
| // CHECK-NEXT: [[ADDR:%.*]] = mark_dependence [[T4]] : $*OrdinarySub on %0 : $A |
| // CHECK-NEXT: // function_ref accessors.OrdinarySub.subscript.setter : (Swift.Int) -> Swift.Int |
| // CHECK-NEXT: [[T0:%.*]] = function_ref @_TFV9accessors11OrdinarySubs9subscriptFSiSi |
| // CHECK-NEXT: apply [[T0]]([[VALUE]], [[INDEX0]], [[ADDR]]) |
| // CHECK-NEXT: switch_enum [[OPT_CALLBACK]] : $Optional<Builtin.RawPointer>, case #Optional.some!enumelt.1: [[WRITEBACK:bb[0-9]+]], case #Optional.none!enumelt: [[CONT:bb[0-9]+]] |
| // CHECK: [[WRITEBACK]]([[CALLBACK_ADDR:%.*]] : $Builtin.RawPointer): |
| // CHECK-NEXT: [[CALLBACK:%.*]] = pointer_to_thin_function [[CALLBACK_ADDR]] : $Builtin.RawPointer to $@convention(thin) (Builtin.RawPointer, @inout Builtin.UnsafeValueBuffer, @inout A, @thick A.Type) -> () |
| // CHECK-NEXT: [[TEMP2:%.*]] = alloc_stack $A |
| // CHECK-NEXT: store %0 to [[TEMP2]] : $*A |
| // CHECK-NEXT: [[T0:%.*]] = metatype $@thick A.Type |
| // CHECK-NEXT: [[T1:%.*]] = address_to_pointer [[ADDR]] : $*OrdinarySub to $Builtin.RawPointer |
| // CHECK-NEXT: apply [[CALLBACK]]([[T1]], [[STORAGE]], [[TEMP2]], [[T0]]) |
| // CHECK-NEXT: dealloc_stack [[TEMP2]] |
| // CHECK-NEXT: br [[CONT]] |
| // CHECK: [[CONT]]: |
| // CHECK-NEXT: dealloc_stack [[BUFFER]] |
| // CHECK-NEXT: dealloc_stack [[STORAGE]] |
| // CHECK-NEXT: dealloc_stack [[TEMP]] |
| // Balance out the +1 from the function parameter. |
| // CHECK-NEXT: strong_release %0 |
| // CHECK-NEXT: tuple () |
| // CHECK-NEXT: return |
| |
| // A struct with a mutating getter and a mutating setter. |
| struct MutatingSub { |
| var ptr = Reference() |
| subscript(value: Int) -> Int { |
| mutating get { return value } |
| set {} |
| } |
| } |
| class B { var array = MutatingSub() } |
| |
| func test1(_ ref: B) { |
| ref.array[index0()] = ref.array[index1()] |
| } |
| // CHECK-LABEL: sil hidden @_TF9accessors5test1FCS_1BT_ : $@convention(thin) (@owned B) -> () { |
| // CHECK: bb0(%0 : $B): |
| // CHECK-NEXT: debug_value |
| // Formal evaluation of LHS. |
| // CHECK-NEXT: // function_ref accessors.index0 () -> Swift.Int |
| // CHECK-NEXT: [[T0:%.*]] = function_ref @_TF9accessors6index0FT_Si |
| // CHECK-NEXT: [[INDEX0:%.*]] = apply [[T0]]() |
| // Formal evaluation of RHS. |
| // CHECK-NEXT: // function_ref accessors.index1 () -> Swift.Int |
| // CHECK-NEXT: [[T0:%.*]] = function_ref @_TF9accessors6index1FT_Si |
| // CHECK-NEXT: [[INDEX1:%.*]] = apply [[T0]]() |
| // Formal access to RHS. |
| // CHECK-NEXT: [[STORAGE:%.*]] = alloc_stack $Builtin.UnsafeValueBuffer |
| // CHECK-NEXT: [[BUFFER:%.*]] = alloc_stack $MutatingSub |
| // CHECK-NEXT: [[T0:%.*]] = address_to_pointer [[BUFFER]] |
| // CHECK-NEXT: [[T1:%.*]] = class_method %0 : $B, #B.array!materializeForSet.1 |
| // CHECK-NEXT: [[T2:%.*]] = apply [[T1]]([[T0]], [[STORAGE]], %0) |
| // CHECK-NEXT: [[T3:%.*]] = tuple_extract [[T2]] {{.*}}, 0 |
| // CHECK-NEXT: [[OPT_CALLBACK:%.*]] = tuple_extract [[T2]] {{.*}}, 1 |
| // CHECK-NEXT: [[T4:%.*]] = pointer_to_address [[T3]] |
| // CHECK-NEXT: [[ADDR:%.*]] = mark_dependence [[T4]] : $*MutatingSub on %0 : $B |
| // CHECK-NEXT: // function_ref accessors.MutatingSub.subscript.getter : (Swift.Int) -> Swift.Int |
| // CHECK-NEXT: [[T0:%.*]] = function_ref @_TFV9accessors11MutatingSubg9subscriptFSiSi : $@convention(method) (Int, @inout MutatingSub) -> Int |
| // CHECK-NEXT: [[VALUE:%.*]] = apply [[T0]]([[INDEX1]], [[ADDR]]) |
| // CHECK-NEXT: switch_enum [[OPT_CALLBACK]] : $Optional<Builtin.RawPointer>, case #Optional.some!enumelt.1: [[WRITEBACK:bb[0-9]+]], case #Optional.none!enumelt: [[CONT:bb[0-9]+]] |
| // CHECK: [[WRITEBACK]]([[CALLBACK_ADDR:%.*]] : $Builtin.RawPointer): |
| // CHECK-NEXT: [[CALLBACK:%.*]] = pointer_to_thin_function [[CALLBACK_ADDR]] : $Builtin.RawPointer to $@convention(thin) (Builtin.RawPointer, @inout Builtin.UnsafeValueBuffer, @inout B, @thick B.Type) -> () |
| // CHECK-NEXT: [[TEMP2:%.*]] = alloc_stack $B |
| // CHECK-NEXT: store %0 to [[TEMP2]] : $*B |
| // CHECK-NEXT: [[T0:%.*]] = metatype $@thick B.Type |
| // CHECK-NEXT: [[T1:%.*]] = address_to_pointer [[ADDR]] : $*MutatingSub to $Builtin.RawPointer |
| // CHECK-NEXT: apply [[CALLBACK]]([[T1]], [[STORAGE]], [[TEMP2]], [[T0]]) |
| // CHECK-NEXT: dealloc_stack [[TEMP2]] |
| // CHECK-NEXT: br [[CONT]] |
| // CHECK: [[CONT]]: |
| // Formal access to LHS. |
| // CHECK-NEXT: [[STORAGE2:%.*]] = alloc_stack $Builtin.UnsafeValueBuffer |
| // CHECK-NEXT: [[BUFFER2:%.*]] = alloc_stack $MutatingSub |
| // CHECK-NEXT: [[T0:%.*]] = address_to_pointer [[BUFFER2]] |
| // CHECK-NEXT: [[T1:%.*]] = class_method %0 : $B, #B.array!materializeForSet.1 |
| // CHECK-NEXT: [[T2:%.*]] = apply [[T1]]([[T0]], [[STORAGE2]], %0) |
| // CHECK-NEXT: [[T3:%.*]] = tuple_extract [[T2]] {{.*}}, 0 |
| // CHECK-NEXT: [[OPT_CALLBACK:%.*]] = tuple_extract [[T2]] {{.*}}, 1 |
| // CHECK-NEXT: [[T4:%.*]] = pointer_to_address [[T3]] |
| // CHECK-NEXT: [[ADDR:%.*]] = mark_dependence [[T4]] : $*MutatingSub on %0 : $B |
| // CHECK-NEXT: // function_ref accessors.MutatingSub.subscript.setter : (Swift.Int) -> Swift.Int |
| // CHECK-NEXT: [[T0:%.*]] = function_ref @_TFV9accessors11MutatingSubs9subscriptFSiSi : $@convention(method) (Int, Int, @inout MutatingSub) -> () |
| // CHECK-NEXT: apply [[T0]]([[VALUE]], [[INDEX0]], [[ADDR]]) |
| // CHECK-NEXT: switch_enum [[OPT_CALLBACK]] : $Optional<Builtin.RawPointer>, case #Optional.some!enumelt.1: [[WRITEBACK:bb[0-9]+]], case #Optional.none!enumelt: [[CONT:bb[0-9]+]] |
| // CHECK: [[WRITEBACK]]([[CALLBACK_ADDR:%.*]] : $Builtin.RawPointer): |
| // CHECK-NEXT: [[CALLBACK:%.*]] = pointer_to_thin_function [[CALLBACK_ADDR]] : $Builtin.RawPointer to $@convention(thin) (Builtin.RawPointer, @inout Builtin.UnsafeValueBuffer, @inout B, @thick B.Type) -> () |
| // CHECK-NEXT: [[TEMP2:%.*]] = alloc_stack $B |
| // CHECK-NEXT: store %0 to [[TEMP2]] : $*B |
| // CHECK-NEXT: [[T0:%.*]] = metatype $@thick B.Type |
| // CHECK-NEXT: [[T1:%.*]] = address_to_pointer [[ADDR]] : $*MutatingSub to $Builtin.RawPointer |
| // CHECK-NEXT: apply [[CALLBACK]]([[T1]], [[STORAGE2]], [[TEMP2]], [[T0]]) |
| // CHECK-NEXT: dealloc_stack [[TEMP2]] |
| // CHECK-NEXT: br [[CONT]] |
| // CHECK: [[CONT]]: |
| // CHECK-NEXT: dealloc_stack [[BUFFER2]] |
| // CHECK-NEXT: dealloc_stack [[STORAGE2]] |
| // CHECK-NEXT: dealloc_stack [[BUFFER]] |
| // CHECK-NEXT: dealloc_stack [[STORAGE]] |
| // Balance out the +1 from the function parameter. |
| // CHECK-NEXT: strong_release %0 |
| // CHECK-NEXT: tuple () |
| // CHECK-NEXT: return |
| |
| struct RecInner { |
| subscript(i: Int) -> Int { |
| get { return i } |
| } |
| } |
| struct RecOuter { |
| var inner : RecInner { |
| unsafeAddress { return someValidPointer() } |
| unsafeMutableAddress { return someValidPointer() } |
| } |
| } |
| func test_rec(_ outer: inout RecOuter) -> Int { |
| return outer.inner[0] |
| } |
| // This uses the immutable addressor. |
| // CHECK: sil hidden @_TF9accessors8test_recFRVS_8RecOuterSi : $@convention(thin) (@inout RecOuter) -> Int { |
| // CHECK: function_ref @_TFV9accessors8RecOuterlu5innerVS_8RecInner : $@convention(method) (RecOuter) -> UnsafePointer<RecInner> |
| |
| struct Rec2Inner { |
| subscript(i: Int) -> Int { |
| mutating get { return i } |
| } |
| } |
| struct Rec2Outer { |
| var inner : Rec2Inner { |
| unsafeAddress { return someValidPointer() } |
| unsafeMutableAddress { return someValidPointer() } |
| } |
| } |
| func test_rec2(_ outer: inout Rec2Outer) -> Int { |
| return outer.inner[0] |
| } |
| // This uses the mutable addressor. |
| // CHECK: sil hidden @_TF9accessors9test_rec2FRVS_9Rec2OuterSi : $@convention(thin) (@inout Rec2Outer) -> Int { |
| // CHECK: function_ref @_TFV9accessors9Rec2Outerau5innerVS_9Rec2Inner : $@convention(method) (@inout Rec2Outer) -> UnsafeMutablePointer<Rec2Inner> |
