| // RUN: %target-swift-frontend -disable-objc-interop -emit-ir -primary-file %s | %FileCheck %s -DWORD=i%target-ptrsize |
| |
| sil_stage canonical |
| |
| import Builtin |
| import Swift |
| |
| class C { } |
| sil_vtable C { } |
| |
| struct S { |
| @_hasStorage unowned(unsafe) var uu: @sil_unmanaged C? { get set } |
| } |
| |
| func example(_ os: S?) |
| |
| // CHECK-LABEL: define hidden swiftcc void @"$s35reference_storage_extra_inhabitants7exampleyyAA1SVSgF" |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: %1 = icmp eq [[WORD]] %0, 1 |
| sil hidden @$s35reference_storage_extra_inhabitants7exampleyyAA1SVSgF : $@convention(thin) (Optional<S>) -> () { |
| bb0(%0 : $Optional<S>): |
| switch_enum %0 : $Optional<S>, case #Optional.some!enumelt.1: bb2, case #Optional.none!enumelt: bb1 // id: %2 |
| |
| bb1: // Preds: bb0 |
| br bb4 // id: %3 |
| |
| bb2(%4 : $S): // Preds: bb0 |
| br bb4 // id: %9 |
| |
| bb4: // Preds: bb3 bb1 |
| %10 = tuple () // user: %11 |
| return %10 : $() // id: %11 |
| } |
