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93 lines
4.0 KiB
Plaintext
93 lines
4.0 KiB
Plaintext
// RUN: %target-swift-frontend -gnone -emit-ir %s | FileCheck %s
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import Builtin
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enum SinglePayloadSingleEmpty {
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case EmptyCase
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case DataCase(Builtin.Word)
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}
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// CHECK-LABEL: define{{( protected)?}} void @select_enum_SinglePayloadSingleEmpty(%O11select_enum24SinglePayloadSingleEmpty* noalias nocapture dereferenceable({{.*}}))
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sil @select_enum_SinglePayloadSingleEmpty : $@convention(thin) (@in SinglePayloadSingleEmpty) -> () {
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bb0(%0 : $*SinglePayloadSingleEmpty):
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%1 = load %0 : $*SinglePayloadSingleEmpty
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// CHECK: [[PAYLOAD1:%[0-9]+]] = load [[WORD_TY:(i32|i64)]], [[WORD_TY:(i32|i64)]]*
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// CHECK: [[TAG1:%[0-9]+]] = load i1, i1*
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%2 = integer_literal $Builtin.Int32, 2
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%3 = integer_literal $Builtin.Int32, 3
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// CHECK: select i1 [[TAG1]], i32 2, i32 3
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%4 = select_enum %1 : $SinglePayloadSingleEmpty, case #SinglePayloadSingleEmpty.EmptyCase!enumelt: %2, case #SinglePayloadSingleEmpty.DataCase!enumelt.1: %3 : $Builtin.Int32
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// CHECK: [[V3:%[0-9]+]] = xor i1 [[TAG1]], true
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// CHECK-NEXT: select i1 [[V3]], i32 3, i32 2
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%5 = select_enum %1 : $SinglePayloadSingleEmpty, case #SinglePayloadSingleEmpty.DataCase!enumelt.1: %3, case #SinglePayloadSingleEmpty.EmptyCase!enumelt: %2 : $Builtin.Int32
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// CHECK: [[PAYLOAD0:%[0-9]+]] = load [[WORD_TY]], [[WORD_TY]]*
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// CHECK: [[TAG0:%[0-9]+]] = load i1, i1*
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// CHECK: select i1 [[TAG0]], i32 2, i32 3
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%6 = select_enum_addr %0 : $*SinglePayloadSingleEmpty, case #SinglePayloadSingleEmpty.EmptyCase!enumelt: %2, case #SinglePayloadSingleEmpty.DataCase!enumelt.1: %3 : $Builtin.Int32
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// CHECK-NEXT: select i1 [[TAG1]], i32 2, i32 3
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%7 = select_enum %1 : $SinglePayloadSingleEmpty, case #SinglePayloadSingleEmpty.EmptyCase!enumelt: %2, default %3 : $Builtin.Int32
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return undef : $()
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}
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enum TwoCasesNoPayload { case X, Y }
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enum MyOptional<T> {
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case some(T), none
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}
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sil @select_enum_TwoCasesNoPayload :$ @convention(thin) (@in TwoCasesNoPayload, @in MyOptional<TwoCasesNoPayload>) -> () {
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bb0(%0 : $*TwoCasesNoPayload, %10 : $*MyOptional<TwoCasesNoPayload>):
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// CHECK: [[PAYLOAD1:%[0-9]+]] = load i1, i1*
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%1 = load %0 : $*TwoCasesNoPayload
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%2 = integer_literal $Builtin.Int32, 2
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%3 = integer_literal $Builtin.Int32, 42
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// CHECK-NEXT: [[V2:%[0-9]+]] = icmp eq i1 [[PAYLOAD1]], false
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// CHECK-NEXT: select i1 [[V2]], i32 2, i32 42
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%4 = select_enum %1 : $TwoCasesNoPayload, case #TwoCasesNoPayload.X!enumelt: %2, case #TwoCasesNoPayload.Y!enumelt: %3 : $Builtin.Int32
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// CHECK-NEXT: [[V2:%[0-9]+]] = icmp eq i1 [[PAYLOAD1]], true
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// CHECK-NEXT: select i1 [[V2]], i32 42, i32 2
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%5 = select_enum %1 : $TwoCasesNoPayload, case #TwoCasesNoPayload.Y!enumelt: %3, default %2 : $Builtin.Int32
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// CHECK: [[PAYLOAD2:%[0-9]+]] = load i8, i8*
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%11 = load %10 : $*MyOptional<TwoCasesNoPayload>
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// CHECK-NEXT: [[V1:%[0-9]+]] = icmp eq i8 [[PAYLOAD2]], 2
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// CHECK-NEXT: [[V2:%[0-9]+]] = xor i1 [[V1]], true
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// CHECK: = select i1 [[V2]], i32 2, i32 42
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%14 = select_enum %11 : $MyOptional<TwoCasesNoPayload>, case #MyOptional.some!enumelt.1: %2, case #MyOptional.none!enumelt: %3 : $Builtin.Int32
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// CHECK-NEXT: [[V1:%[0-9]+]] = icmp eq i8 [[PAYLOAD2]], 2
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// CHECK: = select i1 [[V1]], i32 42, i32 2
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%15 = select_enum %11 : $MyOptional<TwoCasesNoPayload>, case #MyOptional.none!enumelt: %3, default %2 : $Builtin.Int32
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return undef : $()
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}
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enum NoPayloadSingleton {
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case One
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}
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// CHECK-LABEL: define{{( protected)?}} i1 @testOptionalOfNoPayloadSingleton(i1)
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sil @testOptionalOfNoPayloadSingleton : $@convention(thin) (MyOptional<NoPayloadSingleton>) -> Builtin.Int1 {
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bb0(%0 : $MyOptional<NoPayloadSingleton>):
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// CHECK: [[NOT:%.*]] = xor i1 %0, true
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// CHECK: ret i1 [[NOT]]
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%4 = integer_literal $Builtin.Int1, -1 // users: %6, %7
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%5 = integer_literal $Builtin.Int1, 0 // user: %6
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%6 = select_enum %0 : $MyOptional<NoPayloadSingleton>, case #MyOptional.none!enumelt: %4, case #MyOptional.some!enumelt.1: %5 : $Builtin.Int1 // user: %7
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%7 = builtin "xor_Int1"(%6 : $Builtin.Int1, %4 : $Builtin.Int1) : $Builtin.Int1 // user: %8
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return %7 : $Builtin.Int1
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}
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