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// RUN: %target-swift-frontend -emit-silgen -parse-stdlib -module-name Swift %s | %FileCheck %s
@_marker protocol Copyable {}
@_marker protocol Escapable {}
enum Optional<Wrapped: ~Copyable>: ~Copyable {
case none
case some(Wrapped)
}
extension Optional: Copyable where Wrapped: Copyable { }
func _diagnoseUnexpectedNilOptional(_filenameStart: Builtin.RawPointer,
_filenameLength: Builtin.Word,
_filenameIsASCII: Builtin.Int1,
_line: Builtin.Word,
_isImplicitUnwrap: Builtin.Int1) {
}
precedencegroup AssignmentPrecedence {}
struct NC: ~Copyable {
borrowing func b() {}
mutating func m() {}
consuming func c() {}
consuming func c2() -> NC { c2() } // expected-warning{{}}
consuming func c3() -> NCAO { c3() } // expected-warning{{}}
}
struct NCAO: ~Copyable {
var x: Any
borrowing func b() {}
mutating func m() {}
consuming func c() {}
consuming func c2() -> NC { c2() } // expected-warning{{}}
consuming func c3() -> NCAO { c3() } // expected-warning{{}}
}
struct NCPair: ~Copyable {
var first: NC? = .none
var second: NCAO? = .none
}
func consumingSwitchSubject(nc: consuming NC?,
ncao: consuming NCAO?) {
switch nc?.c2() {
default:
break
}
switch ncao?.c2() {
default:
break
}
}
func consumingSwitchSubject2(nc: consuming NC?,
ncao: consuming NCAO?) {
switch nc?.c3() {
default:
break
}
switch ncao?.c3() {
default:
break
}
}
// CHECK-LABEL: sil {{.*}}@${{.*}}23consumingSwitchSubject3
func consumingSwitchSubject3(ncp: consuming NCPair) {
// CHECK: [[PAIR_ACCESS:%.*]] = begin_access [deinit] [unknown] {{.*}} : $*NCPair
// CHECK: [[PAIR_MARK:%.*]] = mark_unresolved_non_copyable_value [assignable_but_not_consumable] [[PAIR_ACCESS]]
// CHECK: [[FIELD:%.*]] = struct_element_addr [[PAIR_MARK]]
// CHECK: [[FIELD_ACCESS:%.*]] = begin_access [deinit] [static] [no_nested_conflict] [[FIELD]]
// CHECK: cond_br {{.*}}, [[SOME_BB:bb[0-9]+]], [[NONE_BB:bb[0-9]+]]
// CHECK: [[SOME_BB]]:
// CHECK: [[PAYLOAD_ADDR:%.*]] = unchecked_take_enum_data_addr [[FIELD_ACCESS]]
// CHECK: [[PAYLOAD:%.*]] = load [take] [[PAYLOAD_ADDR]]
// CHECK: apply {{.*}}({{.*}}, [[PAYLOAD]]) : ${{.*}} (@owned NC)
// CHECK-NOT: destroy_addr
// CHECK-NOT: destroy_value
// CHECK: end_access [[FIELD_ACCESS]]
// CHECK-NEXT: end_access [[PAIR_ACCESS]]
// CHECK-NEXT: inject_enum_addr
// CHECK-NEXT: br
// CHECK: [[NONE_BB]]:
// CHECK: destroy_addr [[FIELD_ACCESS]]
// CHECK-NEXT: end_access [[FIELD_ACCESS]]
switch ncp.first?.c3() {
default:
break
}
switch ncp.second?.c3() {
default:
break
}
}
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