| // RUN: %target-swift-frontend -parse-as-library -emit-silgen -disable-objc-attr-requires-foundation-module %s | FileCheck %s |
| |
| @objc protocol P1 { |
| @objc optional func method(_ x: Int) |
| |
| @objc optional var prop: Int { get } |
| |
| @objc optional subscript (i: Int) -> Int { get } |
| } |
| |
| // CHECK-LABEL: sil hidden @{{.*}}optionalMethodGeneric{{.*}} : $@convention(thin) <T where T : P1> (@owned T) -> () |
| func optionalMethodGeneric<T : P1>(t t : T) { |
| var t = t |
| // CHECK: bb0([[T:%[0-9]+]] : $T): |
| // CHECK: [[TBOX:%[0-9]+]] = alloc_box $T |
| // CHECK-NEXT: [[PT:%[0-9]+]] = project_box [[TBOX]] |
| // CHECK: store [[T]] to [[PT]] : $*T |
| // CHECK-NEXT: [[OPT_BOX:%[0-9]+]] = alloc_box $Optional<(Int) -> ()> |
| // CHECK-NEXT: project_box [[OPT_BOX]] |
| // CHECK-NEXT: [[T:%[0-9]+]] = load [[PT]] : $*T |
| // CHECK-NEXT: strong_retain [[T]] : $T |
| // CHECK-NEXT: alloc_stack $Optional<(Int) -> ()> |
| // CHECK-NEXT: dynamic_method_br [[T]] : $T, #P1.method!1.foreign |
| var methodRef = t.method |
| } |
| |
| // CHECK-LABEL: sil hidden @_TF17protocol_optional23optionalPropertyGeneric{{.*}} : $@convention(thin) <T where T : P1> (@owned T) -> () |
| func optionalPropertyGeneric<T : P1>(t t : T) { |
| var t = t |
| // CHECK: bb0([[T:%[0-9]+]] : $T): |
| // CHECK: [[TBOX:%[0-9]+]] = alloc_box $T |
| // CHECK-NEXT: [[PT:%[0-9]+]] = project_box [[TBOX]] |
| // CHECK: store [[T]] to [[PT]] : $*T |
| // CHECK-NEXT: [[OPT_BOX:%[0-9]+]] = alloc_box $Optional<Int> |
| // CHECK-NEXT: project_box [[OPT_BOX]] |
| // CHECK-NEXT: [[T:%[0-9]+]] = load [[PT]] : $*T |
| // CHECK-NEXT: strong_retain [[T]] : $T |
| // CHECK-NEXT: alloc_stack $Optional<Int> |
| // CHECK-NEXT: dynamic_method_br [[T]] : $T, #P1.prop!getter.1.foreign |
| var propertyRef = t.prop |
| } |
| |
| // CHECK-LABEL: sil hidden @_TF17protocol_optional24optionalSubscriptGeneric{{.*}} : $@convention(thin) <T where T : P1> (@owned T) -> () |
| func optionalSubscriptGeneric<T : P1>(t t : T) { |
| var t = t |
| // CHECK: bb0([[T:%[0-9]+]] : $T): |
| // CHECK: [[TBOX:%[0-9]+]] = alloc_box $T |
| // CHECK-NEXT: [[PT:%[0-9]+]] = project_box [[TBOX]] |
| // CHECK: store [[T]] to [[PT]] : $*T |
| // CHECK-NEXT: [[OPT_BOX:%[0-9]+]] = alloc_box $Optional<Int> |
| // CHECK-NEXT: project_box [[OPT_BOX]] |
| // CHECK-NEXT: [[T:%[0-9]+]] = load [[PT]] : $*T |
| // CHECK-NEXT: strong_retain [[T]] : $T |
| // CHECK: [[INTCONV:%[0-9]+]] = function_ref @_TFSiC |
| // CHECK-NEXT: [[INT64:%[0-9]+]] = metatype $@thin Int.Type |
| // CHECK-NEXT: [[FIVELIT:%[0-9]+]] = integer_literal $Builtin.Int2048, 5 |
| // CHECK-NEXT: [[FIVE:%[0-9]+]] = apply [[INTCONV]]([[FIVELIT]], [[INT64]]) : $@convention(method) (Builtin.Int2048, @thin Int.Type) -> Int |
| // CHECK-NEXT: alloc_stack $Optional<Int> |
| // CHECK-NEXT: dynamic_method_br [[T]] : $T, #P1.subscript!getter.1.foreign |
| var subscriptRef = t[5] |
| } |