| // RUN: %target-swift-frontend -emit-ir %s | FileCheck %s |
| |
| sil_stage canonical |
| |
| import Builtin |
| |
| class Outer { |
| struct Inner { |
| } |
| } |
| |
| sil_vtable Outer {} |
| |
| sil @test0 : $@convention(thin) (@thick Outer.Inner.Type) -> (@thick Outer.Type) { |
| bb0(%0 : $@thick Outer.Inner.Type): |
| %1 = metatype $@thick Outer.Type |
| return %1 : $@thick Outer.Type |
| } |
| // CHECK-LABEL: define{{ | protected }}%swift.type* @test0(%swift.type*) |
| // TODO: it would be more efficient to get this type from the parent metadata field |
| // CHECK: [[T0:%.*]] = call %swift.type* @_TMaC12nested_types5Outer() |
| // CHECK-NEXT: ret %swift.type* [[T0]] |
| |
| // CHECK-LABEL: define hidden %swift.type* @_TMaVC12nested_types5Outer5Inner() |
| // CHECK: [[T0:%.*]] = load %swift.type*, %swift.type** @_TMLVC12nested_types5Outer5Inner |
| // CHECK-NEXT: [[T1:%.*]] = icmp eq %swift.type* [[T0]], null |
| // CHECK-NEXT: br i1 [[T1]] |
| // CHECK: call void @swift_once({{.*}}* @_TMaVC12nested_types5Outer5Inner.once_token, i8* bitcast (void (i8*)* @initialize_metadata_Inner to i8*)) |
| // CHECK-NEXT: [[T2:%.*]] = load %swift.type*, %swift.type** @_TMLVC12nested_types5Outer5Inner |
| // CHECK-NEXT: br label |
| // CHECK: [[T4:%.*]] = phi %swift.type* [ [[T0]], {{.*}} ], [ [[T2]], {{.*}} ] |
| // CHECK-NEXT: ret %swift.type* [[T4]] |
| |
| // CHECK-LABEL: define private void @initialize_metadata_Inner |
| // CHECK: [[T0:%.*]] = call %swift.type* @_TMaC12nested_types5Outer() |
| // CHECK-NEXT: store %swift.type* [[T0]], %swift.type** getelementptr inbounds (%swift.type*, %swift.type** bitcast ({{.*}} @_TMfVC12nested_types5Outer5Inner{{.*}}, [[INT:i[0-9]+]] 2), align |
| // CHECK-NEXT: store atomic %swift.type* bitcast ({{.*}} @_TMfVC12nested_types5Outer5Inner{{.*}} to %swift.type*), %swift.type** @_TMLVC12nested_types5Outer5Inner release, align |
| // CHECK-NEXT: ret void |
