blob: 29a4e121dd18dd1eb32af309c978f6530f9c3b5f [file] [log] [blame]
// RUN: %target-swift-frontend %s -emit-ir | FileCheck %s
sil_stage canonical
import Builtin
enum ManyEmptyCases {
case A
case B
case C(Builtin.Int32)
}
// CHECK-LABEL: define{{( protected)?}} i1 @select_enum_A(i32, i1)
// CHECK: [[PAYLOAD:%.*]] = icmp eq i32 %0, 0
// CHECK: [[EXTRA:%.*]] = and i1 %1, [[PAYLOAD]]
// CHECK: ret i1 [[EXTRA]]
sil @select_enum_A : $@convention(thin) (ManyEmptyCases) -> Builtin.Int1 {
entry(%0 : $ManyEmptyCases):
%4 = integer_literal $Builtin.Int1, -1 // user: %6
%5 = integer_literal $Builtin.Int1, 0 // user: %6
%6 = select_enum %0 : $ManyEmptyCases, case #ManyEmptyCases.A!enumelt: %4, default %5 : $Builtin.Int1
return %6 : $Builtin.Int1
}
// CHECK-LABEL: define{{( protected)?}} i1 @select_enum_B(i32, i1)
// CHECK: [[PAYLOAD:%.*]] = icmp eq i32 %0, 1
// CHECK: [[EXTRA:%.*]] = and i1 %1, [[PAYLOAD]]
// CHECK: ret i1 [[EXTRA]]
sil @select_enum_B : $@convention(thin) (ManyEmptyCases) -> Builtin.Int1 {
entry(%0 : $ManyEmptyCases):
%4 = integer_literal $Builtin.Int1, -1 // user: %6
%5 = integer_literal $Builtin.Int1, 0 // user: %6
%6 = select_enum %0 : $ManyEmptyCases, case #ManyEmptyCases.B!enumelt: %4, default %5 : $Builtin.Int1
return %6 : $Builtin.Int1
}