|
| 1 | +// RUN: %target-swift-emit-silgen -enable-experimental-move-only %s | %FileCheck %s |
| 2 | + |
| 3 | +////////////////// |
| 4 | +// Declarations // |
| 5 | +////////////////// |
| 6 | + |
| 7 | +@_moveOnly |
| 8 | +public class Klass { |
| 9 | + var intField: Int |
| 10 | + var klsField: Klass? |
| 11 | + |
| 12 | + // CHECK-LABEL: sil hidden [ossa] @$s8moveonly5KlassCACycfc : $@convention(method) (@owned Klass) -> @owned Klass { |
| 13 | + // CHECK: bb0([[ARG:%.*]] : @owned $Klass): |
| 14 | + // CHECK: [[MARK_UNINIT:%.*]] = mark_uninitialized [rootself] [[ARG]] |
| 15 | + // CHECK: [[MARK_NO_IMP_COPY:%.*]] = mark_must_check [no_implicit_copy] [[MARK_UNINIT]] |
| 16 | + // CHECK: } // end sil function '$s8moveonly5KlassCACycfc' |
| 17 | + init() { |
| 18 | + klsField = Klass() |
| 19 | + intField = 5 |
| 20 | + } |
| 21 | +} |
| 22 | + |
| 23 | +public func nonConsumingUseKlass(_ k: Klass) {} |
| 24 | + |
| 25 | +@_moveOnly |
| 26 | +public struct NonTrivialStruct { |
| 27 | + var k = Klass() |
| 28 | +} |
| 29 | + |
| 30 | +public func nonConsumingUseNonTrivialStruct(_ s: NonTrivialStruct) {} |
| 31 | + |
| 32 | +@_moveOnly |
| 33 | +public enum NonTrivialEnum { |
| 34 | + case first |
| 35 | + case second(Klass) |
| 36 | + case third(NonTrivialStruct) |
| 37 | +} |
| 38 | + |
| 39 | +public func nonConsumingUseNonTrivialEnum(_ e : NonTrivialEnum) {} |
| 40 | + |
| 41 | +/////////// |
| 42 | +// Tests // |
| 43 | +/////////// |
| 44 | + |
| 45 | +//===--- |
| 46 | +// Function Arguments |
| 47 | +// |
| 48 | + |
| 49 | +// CHECK-LABEL: sil [ossa] @$s8moveonly8useKlassyyAA0C0CF : $@convention(thin) (@guaranteed Klass) -> () { |
| 50 | +// CHECK: bb0([[ARG:%.*]] : @guaranteed $Klass): |
| 51 | +// CHECK: [[OWNED_ARG:%.*]] = copy_value [[ARG]] |
| 52 | +// CHECK: [[MARKED_OWNED_ARG:%.*]] = mark_must_check [no_copy] [[OWNED_ARG]] |
| 53 | +// CHECK: } // end sil function '$s8moveonly8useKlassyyAA0C0CF' |
| 54 | +public func useKlass(_ k: Klass) { |
| 55 | + nonConsumingUseKlass(k) |
| 56 | + let k2 = k |
| 57 | + nonConsumingUseKlass(k) |
| 58 | + let _ = k2 |
| 59 | +} |
| 60 | + |
| 61 | +// CHECK-LABEL: sil [ossa] @$s8moveonly15useKlassConsumeyyAA0C0CnF : $@convention(thin) (@owned Klass) -> () { |
| 62 | +// CHECK: bb0([[ARG:%.*]] : @owned $Klass): |
| 63 | +// TODO: Is this move_value [lexical] necessary? |
| 64 | +// CHECK: [[LEXICAL_MOVE:%.*]] = move_value [lexical] [[ARG]] |
| 65 | +// CHECK: mark_must_check [no_implicit_copy] [[LEXICAL_MOVE]] |
| 66 | +// CHECK: } // end sil function '$s8moveonly15useKlassConsumeyyAA0C0CnF' |
| 67 | +public func useKlassConsume(_ k: __owned Klass) { |
| 68 | + nonConsumingUseKlass(k) |
| 69 | + let k2 = k |
| 70 | + // NOTE: We should mark the next line as a lifetime extending use. |
| 71 | + nonConsumingUseKlass(k) |
| 72 | + let _ = k2 |
| 73 | +} |
| 74 | + |
| 75 | +// CHECK-LABEL: sil [ossa] @$s8moveonly19useNonTrivialStructyyAA0cdE0VF : $@convention(thin) (@guaranteed NonTrivialStruct) -> () { |
| 76 | +// CHECK: bb0([[ARG:%.*]] : @guaranteed $NonTrivialStruct): |
| 77 | +// CHECK: [[COPIED_ARG:%.*]] = copy_value [[ARG]] |
| 78 | +// CHECK: mark_must_check [no_copy] [[COPIED_ARG]] |
| 79 | +// CHECK: } // end sil function '$s8moveonly19useNonTrivialStructyyAA0cdE0VF' |
| 80 | +public func useNonTrivialStruct(_ s: NonTrivialStruct) { |
| 81 | + nonConsumingUseNonTrivialStruct(s) |
| 82 | + let s2 = s |
| 83 | + let k = s.k |
| 84 | + let _ = k |
| 85 | + nonConsumingUseNonTrivialStruct(s) |
| 86 | + let _ = s2 |
| 87 | +} |
| 88 | + |
| 89 | +// CHECK-LABEL: sil [ossa] @$s8moveonly24useNonTrivialOwnedStructyyAA0cdF0VnF : $@convention(thin) (@owned NonTrivialStruct) -> () { |
| 90 | +// CHECK: bb0([[ARG:%.*]] : @owned $NonTrivialStruct): |
| 91 | +// CHECK: [[MOVED_ARG:%.*]] = move_value [lexical] [[ARG]] |
| 92 | +// CHECK: mark_must_check [no_implicit_copy] [[MOVED_ARG]] |
| 93 | +// CHECK: } // end sil function '$s8moveonly24useNonTrivialOwnedStructyyAA0cdF0VnF' |
| 94 | +public func useNonTrivialOwnedStruct(_ s: __owned NonTrivialStruct) { |
| 95 | + nonConsumingUseNonTrivialStruct(s) |
| 96 | + let s2 = s |
| 97 | + let k = s.k |
| 98 | + let _ = k |
| 99 | + nonConsumingUseNonTrivialStruct(s) |
| 100 | + let _ = s2 |
| 101 | +} |
| 102 | + |
| 103 | +// CHECK-LABEL: sil [ossa] @$s8moveonly17useNonTrivialEnumyyAA0cdE0OF : $@convention(thin) (@guaranteed NonTrivialEnum) -> () { |
| 104 | +// CHECK: bb0([[ARG:%.*]] : @guaranteed $NonTrivialEnum): |
| 105 | +// CHECK: [[COPIED_ARG:%.*]] = copy_value [[ARG]] |
| 106 | +// CHECK: mark_must_check [no_copy] [[COPIED_ARG]] |
| 107 | +// CHECK: } // end sil function '$s8moveonly17useNonTrivialEnumyyAA0cdE0OF' |
| 108 | +public func useNonTrivialEnum(_ s: NonTrivialEnum) { |
| 109 | + nonConsumingUseNonTrivialEnum(s) |
| 110 | + let s2 = s |
| 111 | + switch s { |
| 112 | + case _: |
| 113 | + break |
| 114 | + } |
| 115 | + nonConsumingUseNonTrivialEnum(s) |
| 116 | + let _ = s2 |
| 117 | +} |
| 118 | + |
| 119 | +// CHECK-LABEL: sil [ossa] @$s8moveonly22useNonTrivialOwnedEnumyyAA0cdF0OnF : $@convention(thin) (@owned NonTrivialEnum) -> () { |
| 120 | +// CHECK: bb0([[ARG:%.*]] : @owned $NonTrivialEnum): |
| 121 | +// CHECK: [[MOVED_ARG:%.*]] = move_value [lexical] [[ARG]] |
| 122 | +// CHECK: mark_must_check [no_implicit_copy] [[MOVED_ARG]] |
| 123 | +// CHECK: } // end sil function '$s8moveonly22useNonTrivialOwnedEnumyyAA0cdF0OnF' |
| 124 | +public func useNonTrivialOwnedEnum(_ s: __owned NonTrivialEnum) { |
| 125 | + nonConsumingUseNonTrivialEnum(s) |
| 126 | + let s2 = s |
| 127 | + switch s { |
| 128 | + case _: |
| 129 | + break |
| 130 | + } |
| 131 | + nonConsumingUseNonTrivialEnum(s) |
| 132 | + let _ = s2 |
| 133 | +} |
| 134 | + |
| 135 | +//===--- |
| 136 | +// Self in Init |
| 137 | +// |
| 138 | + |
| 139 | +//===--- |
| 140 | +// Self in Methods |
| 141 | +// |
| 142 | + |
| 143 | +extension Klass { |
| 144 | + // CHECK-LABEL: sil hidden [ossa] @$s8moveonly5KlassC13testNoUseSelfyyF : $@convention(method) (@guaranteed Klass) -> () { |
| 145 | + // CHECK: bb0([[ARG:%.*]] : @guaranteed $Klass): |
| 146 | + // CHECK: [[COPIED_ARG:%.*]] = copy_value [[ARG]] |
| 147 | + // CHECK: mark_must_check [no_copy] [[COPIED_ARG]] |
| 148 | + // CHECK: } // end sil function '$s8moveonly5KlassC13testNoUseSelfyyF' |
| 149 | + func testNoUseSelf() { |
| 150 | + let x = self |
| 151 | + let _ = x |
| 152 | + } |
| 153 | +} |
| 154 | + |
| 155 | +extension NonTrivialStruct { |
| 156 | + // CHECK-LABEL: sil hidden [ossa] @$s8moveonly16NonTrivialStructV13testNoUseSelfyyF : $@convention(method) (@guaranteed NonTrivialStruct) -> () { |
| 157 | + // CHECK: bb0([[ARG:%.*]] : @guaranteed $NonTrivialStruct): |
| 158 | + // CHECK: [[COPIED_ARG:%.*]] = copy_value [[ARG]] |
| 159 | + // CHECK: mark_must_check [no_copy] [[COPIED_ARG]] |
| 160 | + // CHECK: } // end sil function '$s8moveonly16NonTrivialStructV13testNoUseSelfyyF' |
| 161 | + func testNoUseSelf() { |
| 162 | + let x = self |
| 163 | + let _ = x |
| 164 | + } |
| 165 | +} |
| 166 | + |
| 167 | +extension NonTrivialEnum { |
| 168 | + // CHECK-LABEL: sil hidden [ossa] @$s8moveonly14NonTrivialEnumO13testNoUseSelfyyF : $@convention(method) (@guaranteed NonTrivialEnum) -> () { |
| 169 | + // CHECK: bb0([[ARG:%.*]] : @guaranteed $NonTrivialEnum): |
| 170 | + // CHECK: [[COPIED_ARG:%.*]] = copy_value [[ARG]] |
| 171 | + // CHECK: mark_must_check [no_copy] [[COPIED_ARG]] |
| 172 | + // CHECK: } // end sil function '$s8moveonly14NonTrivialEnumO13testNoUseSelfyyF' |
| 173 | + func testNoUseSelf() { |
| 174 | + let x = self |
| 175 | + let _ = x |
| 176 | + } |
| 177 | +} |
0 commit comments