attributes.swift

// RUN: %target-swift-frontend -disable-objc-attr-requires-foundation-module %s -emit-ir -g -o - | %FileCheck %s

// REQUIRES: objc_interop

// CHECK-DAG: ![[TY0:.*]] = !DICompositeType(tag: DW_TAG_structure_type, name: "ObjCClass",{{.*}} runtimeLang: DW_LANG_Swift,
@objcclassObjCClass{
@IBActionfunc click(_:AnyObject?)->(){}
}

// CHECK-DAG: ![[TY1:[0-9]+]] = !DICompositeType(tag: DW_TAG_structure_type, name: "SwiftClass",{{.*}} runtimeLang: DW_LANG_Swift
classSwiftClass{
@objcfunc objcmethod()->(){}
func swiftmethod()->(){}
 // Block attribute
func f(_ someBlock:@convention(block)(Int64)->Int64){
}
}

// FIXME: This is currently elided, but should reappear eventually as
// an artificial variable.
// DISABLED: [ DW_TAG_variable ] [OBJC_METACLASS_$__TtC10attributes9ObjCClass]

// CHECK-DAG: !DIGlobalVariable(name: "strongRef0",{{.*}}line: [[@LINE+1]],{{.*}} type: ![[TY0]],{{.*}} isLocal: false, isDefinition: true
varstrongRef0:ObjCClass
varstrongRef1:SwiftClass=SwiftClass()

// CHECK-DAG: !DIDerivedType(tag: DW_TAG_typedef, name: "$s10attributes10SwiftClassCXSqXwD"
weak varweakRef1:SwiftClass?= strongRef1
// CHECK-DAG: !DIDerivedType(tag: DW_TAG_typedef, name: "$s10attributes10SwiftClassCXoD"
unowned varunownedRef1:SwiftClass

protocolProtocol1:class{
func foo(_ x:Float)->Float
}

classImplementation:Protocol1{
func foo(_ x:Float)->Float{return2*x }
}