| |
| // RUN: %empty-directory(%t) |
| // RUN: %target-swift-frontend -emit-module -enable-resilience -emit-module-path=%t/resilient_struct.swiftmodule -module-name=resilient_struct %S/../Inputs/resilient_struct.swift |
| // RUN: %target-swift-frontend -emit-module -enable-resilience -emit-module-path=%t/resilient_enum.swiftmodule -module-name=resilient_enum -I %t %S/../Inputs/resilient_enum.swift |
| // RUN: %target-swift-emit-silgen -module-name enum_resilience -I %t -enable-resilience %s | %FileCheck %s |
| |
| import resilient_enum |
| |
| // Resilient enums are always address-only, and switches must include |
| // a default case |
| |
| // CHECK-LABEL: sil hidden [ossa] @$s15enum_resilience15resilientSwitchyy0c1_A06MediumOF : $@convention(thin) (@in_guaranteed Medium) -> () |
| // CHECK: [[BOX:%.*]] = alloc_stack $Medium |
| // CHECK-NEXT: copy_addr %0 to [initialization] [[BOX]] |
| // CHECK-NEXT: switch_enum_addr [[BOX]] : $*Medium, case #Medium.Paper!enumelt: bb1, case #Medium.Canvas!enumelt: bb2, case #Medium.Pamphlet!enumelt.1: bb3, case #Medium.Postcard!enumelt.1: bb4, default bb5 |
| // CHECK: bb1: |
| // CHECK-NEXT: dealloc_stack [[BOX]] |
| // CHECK-NEXT: br bb6 |
| // CHECK: bb2: |
| // CHECK-NEXT: dealloc_stack [[BOX]] |
| // CHECK-NEXT: br bb6 |
| // CHECK: bb3: |
| // CHECK-NEXT: [[INDIRECT_ADDR:%.*]] = unchecked_take_enum_data_addr [[BOX]] |
| // CHECK-NEXT: [[INDIRECT:%.*]] = load [take] [[INDIRECT_ADDR]] |
| // CHECK-NEXT: [[PAYLOAD:%.*]] = project_box [[INDIRECT]] |
| // CHECK-NEXT: destroy_value [[INDIRECT]] |
| // CHECK-NEXT: dealloc_stack [[BOX]] |
| // CHECK-NEXT: br bb6 |
| // CHECK: bb4: |
| // CHECK-NEXT: [[PAYLOAD_ADDR:%.*]] = unchecked_take_enum_data_addr [[BOX]] |
| // CHECK-NEXT: destroy_addr [[PAYLOAD_ADDR]] |
| // CHECK-NEXT: dealloc_stack [[BOX]] |
| // CHECK-NEXT: br bb6 |
| // CHECK: bb5: |
| // CHECK-NEXT: [[METATYPE:%.+]] = value_metatype $@thick Medium.Type, [[BOX]] : $*Medium |
| // CHECK-NEXT: // function_ref |
| // CHECK-NEXT: [[DIAGNOSE:%.+]] = function_ref @$ss27_diagnoseUnexpectedEnumCase |
| // CHECK-NEXT: = apply [[DIAGNOSE]]<Medium>([[METATYPE]]) : $@convention(thin) <τ_0_0> (@thick τ_0_0.Type) -> Never |
| // CHECK-NEXT: unreachable |
| // CHECK: bb6: |
| // CHECK-NOT: destroy_addr %0 |
| // CHECK-NEXT: [[RESULT:%.*]] = tuple () |
| // CHECK-NEXT: return [[RESULT]] |
| |
| func resilientSwitch(_ m: Medium) { |
| switch m { |
| case .Paper: () |
| case .Canvas: () |
| case .Pamphlet: () |
| case .Postcard: () |
| } |
| } |
| |
| // CHECK-LABEL: sil hidden [ossa] @$s15enum_resilience22resilientSwitchDefaultys5Int32V0c1_A06MediumOF : $@convention(thin) (@in_guaranteed Medium) -> Int32 { |
| func resilientSwitchDefault(_ m: Medium) -> Int32 { |
| // CHECK: switch_enum_addr %2 : $*Medium, case #Medium.Paper!enumelt: [[PAPER:[^ ]+]], case #Medium.Canvas!enumelt: [[CANVAS:[^ ]+]], default [[DEFAULT:[^ ]+]] |
| switch m { |
| // CHECK: [[PAPER]]: |
| // CHECK: integer_literal $Builtin.IntLiteral, 0 |
| case .Paper: return 0 |
| // CHECK: [[CANVAS]]: |
| // CHECK: integer_literal $Builtin.IntLiteral, 1 |
| case .Canvas: return 1 |
| // CHECK: [[DEFAULT]]: |
| // CHECK: integer_literal $Builtin.IntLiteral, -1 |
| default: return -1 |
| } |
| } // CHECK: end sil function '$s15enum_resilience22resilientSwitchDefaultys5Int32V0c1_A06MediumOF' |
| |
| // CHECK-LABEL: sil hidden [ossa] @$s15enum_resilience26resilientSwitchUnknownCaseys5Int32V0c1_A06MediumOF : $@convention(thin) (@in_guaranteed Medium) -> Int32 { |
| func resilientSwitchUnknownCase(_ m: Medium) -> Int32 { |
| // CHECK: switch_enum_addr %2 : $*Medium, case #Medium.Paper!enumelt: [[PAPER:[^ ]+]], case #Medium.Canvas!enumelt: [[CANVAS:[^ ]+]], default [[DEFAULT:[^ ]+]] |
| switch m { |
| // CHECK: [[PAPER]]: |
| // CHECK: integer_literal $Builtin.IntLiteral, 0 |
| case .Paper: return 0 |
| // CHECK: [[CANVAS]]: |
| // CHECK: integer_literal $Builtin.IntLiteral, 1 |
| case .Canvas: return 1 |
| // CHECK: [[DEFAULT]]: |
| // CHECK: integer_literal $Builtin.IntLiteral, -1 |
| @unknown case _: return -1 |
| } |
| } // CHECK: end sil function '$s15enum_resilience26resilientSwitchUnknownCaseys5Int32V0c1_A06MediumOF' |
| |
| // CHECK-LABEL: sil hidden [ossa] @$s15enum_resilience36resilientSwitchUnknownCaseExhaustiveys5Int32V0c1_A06MediumOF : $@convention(thin) (@in_guaranteed Medium) -> Int32 { |
| func resilientSwitchUnknownCaseExhaustive(_ m: Medium) -> Int32 { |
| // CHECK: switch_enum_addr %2 : $*Medium, case #Medium.Paper!enumelt: [[PAPER:[^ ]+]], case #Medium.Canvas!enumelt: [[CANVAS:[^ ]+]], case #Medium.Pamphlet!enumelt.1: [[PAMPHLET:[^ ]+]], case #Medium.Postcard!enumelt.1: [[POSTCARD:[^ ]+]], default [[DEFAULT:[^ ]+]] |
| switch m { |
| // CHECK: [[PAPER]]: |
| // CHECK: integer_literal $Builtin.IntLiteral, 0 |
| case .Paper: return 0 |
| // CHECK: [[CANVAS]]: |
| // CHECK: integer_literal $Builtin.IntLiteral, 1 |
| case .Canvas: return 1 |
| // CHECK: [[PAMPHLET]]: |
| // CHECK: integer_literal $Builtin.IntLiteral, 2 |
| case .Pamphlet: return 2 |
| // CHECK: [[POSTCARD]]: |
| // CHECK: integer_literal $Builtin.IntLiteral, 3 |
| case .Postcard: return 3 |
| // CHECK: [[DEFAULT]]: |
| // CHECK: integer_literal $Builtin.IntLiteral, -1 |
| @unknown case _: return -1 |
| } |
| } |
| |
| // Indirect enums are still address-only, because the discriminator is stored |
| // as part of the value, so we cannot resiliently make assumptions about the |
| // enum's size |
| |
| // CHECK-LABEL: sil hidden [ossa] @$s15enum_resilience21indirectResilientEnumyy010resilient_A016IndirectApproachOF : $@convention(thin) (@in_guaranteed IndirectApproach) -> () |
| func indirectResilientEnum(_ ia: IndirectApproach) {} |
| |
| public enum MyResilientEnum { |
| case kevin |
| case loki |
| } |
| |
| // CHECK-LABEL: sil [ossa] @$s15enum_resilience15resilientSwitchyyAA15MyResilientEnumOF : $@convention(thin) (@in_guaranteed MyResilientEnum) -> () |
| // CHECK: switch_enum_addr %2 : $*MyResilientEnum, case #MyResilientEnum.kevin!enumelt: bb1, case #MyResilientEnum.loki!enumelt: bb2 // |
| // CHECK: return |
| public func resilientSwitch(_ e: MyResilientEnum) { |
| switch e { |
| case .kevin: () |
| case .loki: () |
| } |
| } |
| |
| // Inlinable functions must lower the switch as if it came from outside the module |
| |
| // CHECK-LABEL: sil [serialized] [ossa] @$s15enum_resilience15inlinableSwitchyyAA15MyResilientEnumOF : $@convention(thin) (@in_guaranteed MyResilientEnum) -> () |
| // CHECK: switch_enum_addr %2 : $*MyResilientEnum, case #MyResilientEnum.kevin!enumelt: bb1, case #MyResilientEnum.loki!enumelt: bb2, default bb3 |
| // CHECK: return |
| @inlinable public func inlinableSwitch(_ e: MyResilientEnum) { |
| switch e { |
| case .kevin: () |
| case .loki: () |
| } |
| } |