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