| |
| // 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 -enable-testing |
| // RUN: %target-swift-emit-silgen -module-name enum_resilience_testable -I %t -enable-nonfrozen-enum-exhaustivity-diagnostics -swift-version 5 %s | %FileCheck %s |
| |
| // This is mostly testing the same things as enum_resilienc.swift, just in a |
| // context where the user will never be forced to write a default case. It's the |
| // same effect as -swift-version 4 and ignoring the exhaustivity warning, |
| // though. |
| |
| @testable import resilient_enum |
| |
| // Resilient enums are always address-only, and switches must include |
| // a default case |
| |
| // CHECK-LABEL: sil hidden [ossa] @$s24enum_resilience_testable15resilientSwitchyy0d1_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: () |
| } |
| } |