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// RUN: %target-swiftc_driver %s -g -Onone -emit-ir | %FileCheck %s
// Check that unused globals are preserved at Onone.
private let number = 42
// CHECK: distinct !DIGlobalVariable(name: "number",
// Check that unused functions are preserved at Onone.
func unused() {
}
// CHECK: !DISubprogram(name: "unused", linkageName: "$s21preserve_for_debugger6unusedyyF"
// Property wrappers generate transparent getters, which we would like to check still exist at Onone.
@propertyWrapper
struct IntWrapper {
private var storage = 42
var wrappedValue: Int {
return storage
}
}
public class User {
@IntWrapper private var number: Int
func f() {
// Force the generation of the getter
_ = self.number
}
}
let c = User()
c.f()
// CHECK: !DISubprogram(name: "number.get"
protocol Foo {}
@propertyWrapper
struct Bar<ObjectType: Foo> {
var storage: ObjectType
public init(wrappedValue: ObjectType) {
storage = wrappedValue
}
public var wrappedValue: ObjectType {
return storage
}
}
class Baz: Foo {
let x = 42
}
struct Qux {
@Bar(wrappedValue: Baz()) private var baz: Baz
// Baz instance that is never accessed.
@Bar(wrappedValue: Baz()) private var baz2: Baz
func f() {
print(self.baz) // break here
}
}
let qux = Qux()
qux.f()
// CHECK: !DISubprogram(name: "baz.get"
// CHECK: !DISubprogram(name: "baz2.get"
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