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carbon-lang/toolchain/check/testdata/if_expr/struct.carbon
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Christopher Di Bella 05a7ecbd34 Move SubobjectDestroy and SelfDestruct out of interface Destroy (#7942) 
Determining that a type has trivial destruction requires checking
whether all of its subobjects have trivial destruction and whether its
type has a custom witness for `Destroy.Op`. This isn't possible when
`Destroy` is the custodian for `Destroy.Op` and `SubobjectDestroy.Op`,
so we need to make `SubobjectDestroy` its own interface.

`Destroy.SelfDestruct` becomes a standalone function because it depends
on `SubobjectDestroy` and `Destroy` being implemented, and is also
responsible for generating any custom witnesses for both interfaces.
Making `SelfDestruct` an interface was experimented with, but this
required a blanket impl that caused issues for facet types.

`Destroy` depends on `SubobjectDestroy` to be implemented. We'd ideally
use `require impls SubobjectDestroy`, but it isn't complete yet, and it
also causes problems when `Destroy` is implemented inside the class
definition. We work around this by temporarily renaming the `Destroy`
interface to `DestroyImpl`, and introducing a constraint called
`Destroy` so that user code doesn't need to write `Core.SubobjectDestroy
& Core.Destroy`.
2026-10-26 21:35:01 +00:00

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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/primitives.carbon
// TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
// EXTRA-ARGS: --dump-sem-ir-ranges=if-present
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/if_expr/struct.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/if_expr/struct.carbon
fn G(s: {.a: i32, .b: i32});
fn F(cond: bool) {
var a: {.a: i32, .b: i32} = {.a = 1, .b = 2};
G(if cond then a else a);
}
// CHECK:STDOUT: --- struct.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %Int.type: type = parameterized_class_name_type @Int [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %Int.generic: %Int.type = struct_value () [concrete]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %struct_type.a.b.250: type = struct_type {.a: %i32, .b: %i32} [concrete]
// CHECK:STDOUT: %pattern_type.290: type = pattern_type %struct_type.a.b.250 [concrete]
// CHECK:STDOUT: %s.param_patt: %pattern_type.290 = value_param_pattern [concrete]
// CHECK:STDOUT: %s.patt: %pattern_type.290 = wrapper_binding_pattern s, %s.param_patt [concrete]
// CHECK:STDOUT: %G.type: type = fn_type @G [concrete]
// CHECK:STDOUT: %G: %G.type = struct_value () [concrete]
// CHECK:STDOUT: %pattern_type.831: type = pattern_type bool [concrete]
// CHECK:STDOUT: %cond.param_patt: %pattern_type.831 = value_param_pattern [concrete]
// CHECK:STDOUT: %cond.patt: %pattern_type.831 = wrapper_binding_pattern cond, %cond.param_patt [concrete]
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT: %a.patt: %pattern_type.290 = ref_binding_pattern a [concrete]
// CHECK:STDOUT: %a.var_patt: %pattern_type.290 = var_pattern %a.patt [concrete]
// CHECK:STDOUT: %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
// CHECK:STDOUT: %int_2.ecc: Core.IntLiteral = int_value 2 [concrete]
// CHECK:STDOUT: %struct_type.a.b.cfd: type = struct_type {.a: Core.IntLiteral, .b: Core.IntLiteral} [concrete]
// CHECK:STDOUT: %struct.4aa: %struct_type.a.b.cfd = struct_value (%int_1.5b8, %int_2.ecc) [concrete]
// CHECK:STDOUT: %ImplicitAs.type.0ff: type = generic_interface_type @ImplicitAs [concrete]
// CHECK:STDOUT: %ImplicitAs.generic: %ImplicitAs.type.0ff = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.type.6b0: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
// CHECK:STDOUT: %To: Core.IntLiteral = symbolic_binding To, 0 [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.3c6: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%To) [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.6f2: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.3c6 = struct_value () [symbolic]
// CHECK:STDOUT: %ImplicitAs.impl_witness.d73: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.f53, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.766: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.f60: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.766 = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet: %ImplicitAs.type.6b0 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.d73) [concrete]
// CHECK:STDOUT: %ImplicitAs.WithSelf.Convert.type.58f: type = fn_type @ImplicitAs.WithSelf.Convert, @ImplicitAs.WithSelf(%i32, %ImplicitAs.facet) [concrete]
// CHECK:STDOUT: %.33a: type = fn_type_with_self_type %ImplicitAs.WithSelf.Convert.type.58f, %ImplicitAs.facet [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.282: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.f60 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.f60, @Core.IntLiteral.as.ImplicitAs.impl.Convert(%int_32) [concrete]
// CHECK:STDOUT: %bound_method.3bd: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_1.68a: %i32 = int_value 1 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.8a6: <bound method> = bound_method %int_2.ecc, %Core.IntLiteral.as.ImplicitAs.impl.Convert.f60 [concrete]
// CHECK:STDOUT: %bound_method.a55: <bound method> = bound_method %int_2.ecc, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_2.2e0: %i32 = int_value 2 [concrete]
// CHECK:STDOUT: %struct.940: %struct_type.a.b.250 = struct_value (%int_1.68a, %int_2.2e0) [concrete]
// CHECK:STDOUT: %SelfDestruct.type: type = fn_type @SelfDestruct [concrete]
// CHECK:STDOUT: %SelfDestruct: %SelfDestruct.type = struct_value () [concrete]
// CHECK:STDOUT: %Destroy.type: type = facet_type <@Destroy> [concrete]
// CHECK:STDOUT: %SubobjectDestroy.type: type = facet_type <@SubobjectDestroy> [concrete]
// CHECK:STDOUT: %T.09f: %SubobjectDestroy.type = symbolic_binding T, 0 [symbolic]
// CHECK:STDOUT: %T.as_type.as.DestroyImpl.impl.Op.type.dea: type = fn_type @T.as_type.as.DestroyImpl.impl.Op, @T.as_type.as.DestroyImpl.impl(%T.09f) [symbolic]
// CHECK:STDOUT: %T.as_type.as.DestroyImpl.impl.Op.6e5: %T.as_type.as.DestroyImpl.impl.Op.type.dea = struct_value () [symbolic]
// CHECK:STDOUT: %SubobjectDestroy.WithSelf.Op.type.6870fd.1: type = fn_type @SubobjectDestroy.WithSelf.Op.loc18_3.1 [concrete]
// CHECK:STDOUT: %SubobjectDestroy.WithSelf.Op.30f1ee.1: %SubobjectDestroy.WithSelf.Op.type.6870fd.1 = struct_value () [concrete]
// CHECK:STDOUT: %custom_witness.b80ef6.1: <witness> = custom_witness (%SubobjectDestroy.WithSelf.Op.30f1ee.1), @SubobjectDestroy [concrete]
// CHECK:STDOUT: %SubobjectDestroy.WithSelf.Op.type.6870fd.2: type = fn_type @SubobjectDestroy.WithSelf.Op.loc18_3.2 [concrete]
// CHECK:STDOUT: %SubobjectDestroy.WithSelf.Op.30f1ee.2: %SubobjectDestroy.WithSelf.Op.type.6870fd.2 = struct_value () [concrete]
// CHECK:STDOUT: %SubobjectDestroy.facet.49a: %SubobjectDestroy.type = facet_value %i32, (%custom_witness.b80ef6.1) [concrete]
// CHECK:STDOUT: %DestroyImpl.impl_witness.077: <witness> = impl_witness imports.%DestroyImpl.impl_witness_table, @T.as_type.as.DestroyImpl.impl(%SubobjectDestroy.facet.49a) [concrete]
// CHECK:STDOUT: %Destroy.facet.c2b: %Destroy.type = facet_value %i32, (%DestroyImpl.impl_witness.077, %custom_witness.b80ef6.1) [concrete]
// CHECK:STDOUT: %SelfDestruct.specific_fn.845: <specific function> = specific_function %SelfDestruct, @SelfDestruct(%Destroy.facet.c2b) [concrete]
// CHECK:STDOUT: %custom_witness.b80ef6.2: <witness> = custom_witness (%SubobjectDestroy.WithSelf.Op.30f1ee.2), @SubobjectDestroy [concrete]
// CHECK:STDOUT: %SubobjectDestroy.facet.582: %SubobjectDestroy.type = facet_value %struct_type.a.b.250, (%custom_witness.b80ef6.2) [concrete]
// CHECK:STDOUT: %DestroyImpl.impl_witness.6b7: <witness> = impl_witness imports.%DestroyImpl.impl_witness_table, @T.as_type.as.DestroyImpl.impl(%SubobjectDestroy.facet.582) [concrete]
// CHECK:STDOUT: %Destroy.facet.6bf: %Destroy.type = facet_value %struct_type.a.b.250, (%DestroyImpl.impl_witness.6b7, %custom_witness.b80ef6.2) [concrete]
// CHECK:STDOUT: %SelfDestruct.specific_fn.20b: <specific function> = specific_function %SelfDestruct, @SelfDestruct(%Destroy.facet.6bf) [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .Int = %Core.Int
// CHECK:STDOUT: .Bool = %Core.Bool
// CHECK:STDOUT: .ImplicitAs = %Core.ImplicitAs
// CHECK:STDOUT: .SelfDestruct = %Core.SelfDestruct
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.Int: %Int.type = import_ref Core//prelude/parts/int, Int, loaded [concrete = constants.%Int.generic]
// CHECK:STDOUT: %Core.Bool: type = import_ref Core//prelude/parts/bool, Bool, loaded [concrete = bool]
// CHECK:STDOUT: %Core.ImplicitAs: %ImplicitAs.type.0ff = import_ref Core//prelude/parts/as, ImplicitAs, loaded [concrete = constants.%ImplicitAs.generic]
// CHECK:STDOUT: %Core.import_ref.e47: @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert.type (%Core.IntLiteral.as.ImplicitAs.impl.Convert.type.3c6) = import_ref Core//prelude/parts/int, loc{{\d+_\d+}}, loaded [symbolic = @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert (constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.6f2)]
// CHECK:STDOUT: %ImplicitAs.impl_witness_table.f53 = impl_witness_table (%Core.import_ref.e47), @Core.IntLiteral.as.ImplicitAs.impl [concrete]
// CHECK:STDOUT: %Core.SelfDestruct: %SelfDestruct.type = import_ref Core//prelude/parts/destroy, SelfDestruct, loaded [concrete = constants.%SelfDestruct]
// CHECK:STDOUT: %Core.import_ref.74d: @T.as_type.as.DestroyImpl.impl.%T.as_type.as.DestroyImpl.impl.Op.type (%T.as_type.as.DestroyImpl.impl.Op.type.dea) = import_ref Core//prelude/parts/destroy, loc{{\d+_\d+}}, loaded [symbolic = @T.as_type.as.DestroyImpl.impl.%T.as_type.as.DestroyImpl.impl.Op (constants.%T.as_type.as.DestroyImpl.impl.Op.6e5)]
// CHECK:STDOUT: %DestroyImpl.impl_witness_table = impl_witness_table (%Core.import_ref.74d), @T.as_type.as.DestroyImpl.impl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .G = %G.decl
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %G.decl: %G.type = fn_decl @G [concrete = constants.%G] {
// CHECK:STDOUT: %s.param_patt: %pattern_type.290 = value_param_pattern [concrete = constants.%s.param_patt]
// CHECK:STDOUT: %s.patt: %pattern_type.290 = wrapper_binding_pattern s, %s.param_patt [concrete = constants.%s.patt]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %s.param: %struct_type.a.b.250 = value_param call_param0
// CHECK:STDOUT: %.loc15: type = splice_block %struct_type.a.b [concrete = constants.%struct_type.a.b.250] {
// CHECK:STDOUT: %i32.loc15_14: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %i32.loc15_23: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %struct_type.a.b: type = struct_type {.a: %i32, .b: %i32} [concrete = constants.%struct_type.a.b.250]
// CHECK:STDOUT: }
// CHECK:STDOUT: %s: %struct_type.a.b.250 = wrapper_binding s, %s.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {
// CHECK:STDOUT: %cond.param_patt: %pattern_type.831 = value_param_pattern [concrete = constants.%cond.param_patt]
// CHECK:STDOUT: %cond.patt: %pattern_type.831 = wrapper_binding_pattern cond, %cond.param_patt [concrete = constants.%cond.patt]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %cond.param: bool = value_param call_param0
// CHECK:STDOUT: %.loc17: type = type_literal bool [concrete = bool]
// CHECK:STDOUT: %cond: bool = wrapper_binding cond, %cond.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G(%s.param: %struct_type.a.b.250);
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%cond.param: bool) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %a.var: ref %struct_type.a.b.250 = var_storage %a.var_patt
// CHECK:STDOUT: %int_1: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT: %int_2: Core.IntLiteral = int_value 2 [concrete = constants.%int_2.ecc]
// CHECK:STDOUT: %.loc18_46.1: %struct_type.a.b.cfd = struct_literal (%int_1, %int_2) [concrete = constants.%struct.4aa]
// CHECK:STDOUT: %impl.elem0.loc18_46.1: %.33a = impl_witness_access constants.%ImplicitAs.impl_witness.d73, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.f60]
// CHECK:STDOUT: %bound_method.loc18_46.1: <bound method> = bound_method %int_1, %impl.elem0.loc18_46.1 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.282]
// CHECK:STDOUT: %specific_fn.loc18_46.1: <specific function> = specific_function %impl.elem0.loc18_46.1, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc18_46.2: <bound method> = bound_method %int_1, %specific_fn.loc18_46.1 [concrete = constants.%bound_method.3bd]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc18_46.1: init %i32 = call %bound_method.loc18_46.2(%int_1) [concrete = constants.%int_1.68a]
// CHECK:STDOUT: %.loc18_46.2: init %i32 = converted %int_1, %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc18_46.1 [concrete = constants.%int_1.68a]
// CHECK:STDOUT: %.loc18_46.3: ref %i32 = struct_access %a.var, element0
// CHECK:STDOUT: %.loc18_46.4: init %i32 to %.loc18_46.3 = in_place_init %.loc18_46.2 [concrete = constants.%int_1.68a]
// CHECK:STDOUT: %impl.elem0.loc18_46.2: %.33a = impl_witness_access constants.%ImplicitAs.impl_witness.d73, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.f60]
// CHECK:STDOUT: %bound_method.loc18_46.3: <bound method> = bound_method %int_2, %impl.elem0.loc18_46.2 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.8a6]
// CHECK:STDOUT: %specific_fn.loc18_46.2: <specific function> = specific_function %impl.elem0.loc18_46.2, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc18_46.4: <bound method> = bound_method %int_2, %specific_fn.loc18_46.2 [concrete = constants.%bound_method.a55]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc18_46.2: init %i32 = call %bound_method.loc18_46.4(%int_2) [concrete = constants.%int_2.2e0]
// CHECK:STDOUT: %.loc18_46.5: init %i32 = converted %int_2, %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc18_46.2 [concrete = constants.%int_2.2e0]
// CHECK:STDOUT: %.loc18_46.6: ref %i32 = struct_access %a.var, element1
// CHECK:STDOUT: %.loc18_46.7: init %i32 to %.loc18_46.6 = in_place_init %.loc18_46.5 [concrete = constants.%int_2.2e0]
// CHECK:STDOUT: %.loc18_46.8: init %struct_type.a.b.250 to %a.var = struct_init (%.loc18_46.4, %.loc18_46.7) [concrete = constants.%struct.940]
// CHECK:STDOUT: %.loc18_3.1: init %struct_type.a.b.250 = converted %.loc18_46.1, %.loc18_46.8 [concrete = constants.%struct.940]
// CHECK:STDOUT: assign %a.var, %.loc18_3.1
// CHECK:STDOUT: %.loc18_27: type = splice_block %struct_type.a.b [concrete = constants.%struct_type.a.b.250] {
// CHECK:STDOUT: %i32.loc18_15: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %i32.loc18_24: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %struct_type.a.b: type = struct_type {.a: %i32, .b: %i32} [concrete = constants.%struct_type.a.b.250]
// CHECK:STDOUT: }
// CHECK:STDOUT: %a: ref %struct_type.a.b.250 = wrapper_binding a, %a.var
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %a.patt: %pattern_type.290 = ref_binding_pattern a [concrete = constants.%a.patt]
// CHECK:STDOUT: %a.var_patt: %pattern_type.290 = var_pattern %a.patt [concrete = constants.%a.var_patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: %G.ref: %G.type = name_ref G, file.%G.decl [concrete = constants.%G]
// CHECK:STDOUT: %cond.ref: bool = name_ref cond, %cond
// CHECK:STDOUT: if %cond.ref br !if.expr.then else br !if.expr.else
// CHECK:STDOUT:
// CHECK:STDOUT: !if.expr.then:
// CHECK:STDOUT: %a.ref.loc19_18: ref %struct_type.a.b.250 = name_ref a, %a
// CHECK:STDOUT: %.loc19_18.1: ref %i32 = struct_access %a.ref.loc19_18, element0
// CHECK:STDOUT: %.loc19_18.2: %i32 = acquire_value %.loc19_18.1
// CHECK:STDOUT: %.loc19_18.3: ref %i32 = struct_access %a.ref.loc19_18, element1
// CHECK:STDOUT: %.loc19_18.4: %i32 = acquire_value %.loc19_18.3
// CHECK:STDOUT: %struct.loc19_18: %struct_type.a.b.250 = struct_value (%.loc19_18.2, %.loc19_18.4)
// CHECK:STDOUT: %.loc19_18.5: %struct_type.a.b.250 = converted %a.ref.loc19_18, %struct.loc19_18
// CHECK:STDOUT: br !if.expr.result(%.loc19_18.5)
// CHECK:STDOUT:
// CHECK:STDOUT: !if.expr.else:
// CHECK:STDOUT: %a.ref.loc19_25: ref %struct_type.a.b.250 = name_ref a, %a
// CHECK:STDOUT: %.loc19_25.1: ref %i32 = struct_access %a.ref.loc19_25, element0
// CHECK:STDOUT: %.loc19_25.2: %i32 = acquire_value %.loc19_25.1
// CHECK:STDOUT: %.loc19_25.3: ref %i32 = struct_access %a.ref.loc19_25, element1
// CHECK:STDOUT: %.loc19_25.4: %i32 = acquire_value %.loc19_25.3
// CHECK:STDOUT: %struct.loc19_25: %struct_type.a.b.250 = struct_value (%.loc19_25.2, %.loc19_25.4)
// CHECK:STDOUT: %.loc19_20: %struct_type.a.b.250 = converted %a.ref.loc19_25, %struct.loc19_25
// CHECK:STDOUT: br !if.expr.result(%.loc19_20)
// CHECK:STDOUT:
// CHECK:STDOUT: !if.expr.result:
// CHECK:STDOUT: %.loc19_5: %struct_type.a.b.250 = block_arg !if.expr.result
// CHECK:STDOUT: %G.call: init %empty_tuple.type = call %G.ref(%.loc19_5)
// CHECK:STDOUT: %Destroy.facet.loc18_3.1: %Destroy.type = facet_value constants.%struct_type.a.b.250, (constants.%DestroyImpl.impl_witness.6b7, constants.%custom_witness.b80ef6.2) [concrete = constants.%Destroy.facet.6bf]
// CHECK:STDOUT: %.loc18_3.2: %Destroy.type = converted constants.%struct_type.a.b.250, %Destroy.facet.loc18_3.1 [concrete = constants.%Destroy.facet.6bf]
// CHECK:STDOUT: %Destroy.facet.loc18_3.2: %Destroy.type = facet_value constants.%struct_type.a.b.250, (constants.%DestroyImpl.impl_witness.6b7, constants.%custom_witness.b80ef6.2) [concrete = constants.%Destroy.facet.6bf]
// CHECK:STDOUT: %.loc18_3.3: %Destroy.type = converted constants.%struct_type.a.b.250, %Destroy.facet.loc18_3.2 [concrete = constants.%Destroy.facet.6bf]
// CHECK:STDOUT: %SelfDestruct.specific_fn: <specific function> = specific_function constants.%SelfDestruct, @SelfDestruct(constants.%Destroy.facet.6bf) [concrete = constants.%SelfDestruct.specific_fn.20b]
// CHECK:STDOUT: %SelfDestruct.call: init %empty_tuple.type = call %SelfDestruct.specific_fn(%a.var)
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @SubobjectDestroy.WithSelf.Op.loc18_3.1(%self.param: ref %i32) = "no_op";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @SubobjectDestroy.WithSelf.Op.loc18_3.2(%self.param: ref %struct_type.a.b.250) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %.loc18_3.1: ref %i32 = struct_access %self.param, element1
// CHECK:STDOUT: %Destroy.facet.loc18_3.1: %Destroy.type = facet_value constants.%i32, (constants.%DestroyImpl.impl_witness.077, constants.%custom_witness.b80ef6.1) [concrete = constants.%Destroy.facet.c2b]
// CHECK:STDOUT: %.loc18_3.2: %Destroy.type = converted constants.%i32, %Destroy.facet.loc18_3.1 [concrete = constants.%Destroy.facet.c2b]
// CHECK:STDOUT: %Destroy.facet.loc18_3.2: %Destroy.type = facet_value constants.%i32, (constants.%DestroyImpl.impl_witness.077, constants.%custom_witness.b80ef6.1) [concrete = constants.%Destroy.facet.c2b]
// CHECK:STDOUT: %.loc18_3.3: %Destroy.type = converted constants.%i32, %Destroy.facet.loc18_3.2 [concrete = constants.%Destroy.facet.c2b]
// CHECK:STDOUT: %SelfDestruct.specific_fn.1: <specific function> = specific_function constants.%SelfDestruct, @SelfDestruct(constants.%Destroy.facet.c2b) [concrete = constants.%SelfDestruct.specific_fn.845]
// CHECK:STDOUT: %SelfDestruct.call.loc18_3.1: init %empty_tuple.type = call %SelfDestruct.specific_fn.1(%.loc18_3.1)
// CHECK:STDOUT: %.loc18_3.4: ref %i32 = struct_access %self.param, element0
// CHECK:STDOUT: %Destroy.facet.loc18_3.3: %Destroy.type = facet_value constants.%i32, (constants.%DestroyImpl.impl_witness.077, constants.%custom_witness.b80ef6.1) [concrete = constants.%Destroy.facet.c2b]
// CHECK:STDOUT: %.loc18_3.5: %Destroy.type = converted constants.%i32, %Destroy.facet.loc18_3.3 [concrete = constants.%Destroy.facet.c2b]
// CHECK:STDOUT: %Destroy.facet.loc18_3.4: %Destroy.type = facet_value constants.%i32, (constants.%DestroyImpl.impl_witness.077, constants.%custom_witness.b80ef6.1) [concrete = constants.%Destroy.facet.c2b]
// CHECK:STDOUT: %.loc18_3.6: %Destroy.type = converted constants.%i32, %Destroy.facet.loc18_3.4 [concrete = constants.%Destroy.facet.c2b]
// CHECK:STDOUT: %SelfDestruct.specific_fn.2: <specific function> = specific_function constants.%SelfDestruct, @SelfDestruct(constants.%Destroy.facet.c2b) [concrete = constants.%SelfDestruct.specific_fn.845]
// CHECK:STDOUT: %SelfDestruct.call.loc18_3.2: init %empty_tuple.type = call %SelfDestruct.specific_fn.2(%.loc18_3.4)
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
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