mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
These were added in https://github.com/swiftlang/swift/pull/81375 (and several other follow-up PRs because we missed a few places) and are no longer needed.
30 lines
1.2 KiB
Plaintext
30 lines
1.2 KiB
Plaintext
// RUN: %target-swift-frontend %s -emit-ir | %FileCheck %s
|
|
|
|
// REQUIRES: CPU=x86_64
|
|
|
|
// Make sure that we are able to lower unconditional_checked_cast
|
|
// addresses for the super_to_archetype case and the downcast case.
|
|
|
|
class C {}
|
|
sil_vtable C {}
|
|
class D : C {}
|
|
sil_vtable D {}
|
|
|
|
// CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @downcast_test(ptr noalias sret({{.*}}) captures(none) %0, ptr captures(none) dereferenceable({{.*}}) %1) {{.*}} {
|
|
// CHECK: entry:
|
|
// CHECK-NEXT: [[INPUTPTR:%[0-9]+]] = load ptr, ptr [[INPUTPTRPTR:%[0-9]+]], align 8
|
|
// CHECK-NEXT: [[TMP:%.*]] = call swiftcc %swift.metadata_response @"$s26unconditional_checked_cast1DCMa"(i64 0)
|
|
// CHECK-NEXT: [[T0:%.*]] = extractvalue %swift.metadata_response [[TMP]], 0
|
|
// CHECK-NEXT: [[I8RESULTPTR:%.*]] = call ptr @swift_dynamicCastClassUnconditional(ptr [[INPUTPTR]], ptr [[T0]], {{.*}})
|
|
// CHECK-NEXT: store ptr [[I8RESULTPTR]], ptr {{%[0-9]+}}, align 8
|
|
// CHECK-NEXT: ret void
|
|
|
|
sil @downcast_test : $@convention(thin) (@inout C) -> @out D {
|
|
bb0(%0 : $*D, %1 : $*C):
|
|
%a = load %1 : $*C
|
|
%2 = unconditional_checked_cast %a : $C to D
|
|
store %2 to %0 : $*D
|
|
%33 = tuple()
|
|
return %33 : $()
|
|
}
|