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carbon-lang/toolchain/check/testdata/interop/cpp/enum/anonymous.carbon
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Jon Ross-Perkins 4a6376cf59 Rename/restructure Destroy logic to better reflect #6124 (#6144) 
This also does a little restructuring in the same direction, following
#6124.

Leads want `Destroy` to work similarly now for all types. As a
consequence, there doesn't seem to be as much benefit to splitting off
aggregate destruction. In this PR, the `type.destroy` function can now
be expected to destroy anything that's destructible; that means it'll be
usable for the `final fn` once that support is available.

Similarly, this gets rid of the impls other than the single blanket
impl, now using `type.can_destroy`. Since they all need to use the same
function, there's no benefit to splitting approaches. Also, now it can
just be a `final impl` since there should be no need for people to
create specializations -- if this blanket impl applies, it means the
`final fn` is the same.

This also slips in `partial` support since there's no reason to have it
diverge anymore. Also `abstract`, which I'm not sure is broadly testable
since most cases it'd come up, the `abstract` keyword is explicitly
detected/rejected.

Note though that this doesn't make any really big changes. It's just
realigning on the leads decision. I'm going this way to try to reduce
name-related churn for other changes.
2025-09-30 20:43:36 +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/convert.carbon
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/interop/cpp/enum/anonymous.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interop/cpp/enum/anonymous.carbon
// --- anon.h
enum { a, b, c };
void F(decltype(a)) {}
class C {
public:
enum { d, e, f };
void F(decltype(d)) {}
};
// --- copy_enum.carbon
library "[[@TEST_NAME]]";
import Cpp library "anon.h";
//@dump-sem-ir-begin
fn G() {
Cpp.F(Cpp.b);
Cpp.C.C().F(Cpp.C.e);
}
//@dump-sem-ir-end
// CHECK:STDOUT: --- copy_enum.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %G.type: type = fn_type @G [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %G: %G.type = struct_value () [concrete]
// CHECK:STDOUT: %.557: type = cpp_overload_set_type @C.C [concrete]
// CHECK:STDOUT: %empty_struct.56a: %.557 = struct_value () [concrete]
// CHECK:STDOUT: %.4f0: type = class_type @.1 [concrete]
// CHECK:STDOUT: %int_1.81a: %.4f0 = int_value 1 [concrete]
// CHECK:STDOUT: %ptr.793: type = ptr_type %.4f0 [concrete]
// CHECK:STDOUT: %F__carbon_thunk.type.eda1ac.1: type = fn_type @F__carbon_thunk.1 [concrete]
// CHECK:STDOUT: %F__carbon_thunk.0cd6a8.1: %F__carbon_thunk.type.eda1ac.1 = struct_value () [concrete]
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %.d40: type = cpp_overload_set_type @C__carbon_thunk [concrete]
// CHECK:STDOUT: %empty_struct.e73: %.d40 = struct_value () [concrete]
// CHECK:STDOUT: %ptr.d9e: type = ptr_type %C [concrete]
// CHECK:STDOUT: %C__carbon_thunk.type: type = fn_type @C__carbon_thunk [concrete]
// CHECK:STDOUT: %C__carbon_thunk: %C__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: %.9a3: type = cpp_overload_set_type @C.F [concrete]
// CHECK:STDOUT: %empty_struct.acc: %.9a3 = struct_value () [concrete]
// CHECK:STDOUT: %.bb7: type = class_type @.2 [concrete]
// CHECK:STDOUT: %int_1.1d6: %.bb7 = int_value 1 [concrete]
// CHECK:STDOUT: %ptr.73d: type = ptr_type %.bb7 [concrete]
// CHECK:STDOUT: %F__carbon_thunk.type.eda1ac.2: type = fn_type @F__carbon_thunk.2 [concrete]
// CHECK:STDOUT: %F__carbon_thunk.0cd6a8.2: %F__carbon_thunk.type.eda1ac.2 = struct_value () [concrete]
// CHECK:STDOUT: %type_where: type = facet_type <type where .Self impls <CanDestroy>> [concrete]
// CHECK:STDOUT: %facet_value.597: %type_where = facet_value %.bb7, () [concrete]
// CHECK:STDOUT: %DestroyT.as_type.as.Destroy.impl.Op.type.237: type = fn_type @DestroyT.as_type.as.Destroy.impl.Op, @DestroyT.as_type.as.Destroy.impl(%facet_value.597) [concrete]
// CHECK:STDOUT: %DestroyT.as_type.as.Destroy.impl.Op.c08: %DestroyT.as_type.as.Destroy.impl.Op.type.237 = struct_value () [concrete]
// CHECK:STDOUT: %facet_value.b21: %type_where = facet_value %C, () [concrete]
// CHECK:STDOUT: %DestroyT.as_type.as.Destroy.impl.Op.type.fc1: type = fn_type @DestroyT.as_type.as.Destroy.impl.Op, @DestroyT.as_type.as.Destroy.impl(%facet_value.b21) [concrete]
// CHECK:STDOUT: %DestroyT.as_type.as.Destroy.impl.Op.6b9: %DestroyT.as_type.as.Destroy.impl.Op.type.fc1 = struct_value () [concrete]
// CHECK:STDOUT: %facet_value.21d: %type_where = facet_value %.4f0, () [concrete]
// CHECK:STDOUT: %DestroyT.as_type.as.Destroy.impl.Op.type.a40: type = fn_type @DestroyT.as_type.as.Destroy.impl.Op, @DestroyT.as_type.as.Destroy.impl(%facet_value.21d) [concrete]
// CHECK:STDOUT: %DestroyT.as_type.as.Destroy.impl.Op.d51: %DestroyT.as_type.as.Destroy.impl.Op.type.a40 = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .F = %.4a9
// CHECK:STDOUT: .b = %int_1.81a
// CHECK:STDOUT: .C = %C.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %.4a9: %.557 = cpp_overload_set_value @C.C [concrete = constants.%empty_struct.56a]
// CHECK:STDOUT: %int_1.81a: %.4f0 = int_value 1 [concrete = constants.%int_1.81a]
// CHECK:STDOUT: %F__carbon_thunk.decl.e1b8ec.1: %F__carbon_thunk.type.eda1ac.1 = fn_decl @F__carbon_thunk.1 [concrete = constants.%F__carbon_thunk.0cd6a8.1] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
// CHECK:STDOUT: %.40b: %.d40 = cpp_overload_set_value @C__carbon_thunk [concrete = constants.%empty_struct.e73]
// CHECK:STDOUT: %C__carbon_thunk.decl: %C__carbon_thunk.type = fn_decl @C__carbon_thunk [concrete = constants.%C__carbon_thunk] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: %.951: %.9a3 = cpp_overload_set_value @C.F [concrete = constants.%empty_struct.acc]
// CHECK:STDOUT: %int_1.1d6: %.bb7 = int_value 1 [concrete = constants.%int_1.1d6]
// CHECK:STDOUT: %F__carbon_thunk.decl.e1b8ec.2: %F__carbon_thunk.type.eda1ac.2 = fn_decl @F__carbon_thunk.2 [concrete = constants.%F__carbon_thunk.0cd6a8.2] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: %G.decl: %G.type = fn_decl @G [concrete = constants.%G] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc8_3: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %F.ref.loc8: %.557 = name_ref F, imports.%.4a9 [concrete = constants.%empty_struct.56a]
// CHECK:STDOUT: %Cpp.ref.loc8_9: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %b.ref: %.4f0 = name_ref b, imports.%int_1.81a [concrete = constants.%int_1.81a]
// CHECK:STDOUT: %.loc8_12.1: ref %.4f0 = temporary_storage
// CHECK:STDOUT: %.loc8_12.2: ref %.4f0 = temporary %.loc8_12.1, %b.ref
// CHECK:STDOUT: %addr.loc8_14: %ptr.793 = addr_of %.loc8_12.2
// CHECK:STDOUT: %F__carbon_thunk.call.loc8: init %empty_tuple.type = call imports.%F__carbon_thunk.decl.e1b8ec.1(%addr.loc8_14)
// CHECK:STDOUT: %Cpp.ref.loc10_3: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %C.ref.loc10_6: type = name_ref C, imports.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %C.ref.loc10_8: %.d40 = name_ref C, imports.%.40b [concrete = constants.%empty_struct.e73]
// CHECK:STDOUT: %.loc10_11.1: ref %C = temporary_storage
// CHECK:STDOUT: %addr.loc10_11.1: %ptr.d9e = addr_of %.loc10_11.1
// CHECK:STDOUT: %C__carbon_thunk.call: init %empty_tuple.type = call imports.%C__carbon_thunk.decl(%addr.loc10_11.1)
// CHECK:STDOUT: %.loc10_11.2: init %C = in_place_init %C__carbon_thunk.call, %.loc10_11.1
// CHECK:STDOUT: %.loc10_11.3: ref %C = temporary %.loc10_11.1, %.loc10_11.2
// CHECK:STDOUT: %F.ref.loc10: %.9a3 = name_ref F, imports.%.951 [concrete = constants.%empty_struct.acc]
// CHECK:STDOUT: %bound_method.loc10_12: <bound method> = bound_method %.loc10_11.3, %F.ref.loc10
// CHECK:STDOUT: %Cpp.ref.loc10_15: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %C.ref.loc10_18: type = name_ref C, imports.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %e.ref: %.bb7 = name_ref e, imports.%int_1.1d6 [concrete = constants.%int_1.1d6]
// CHECK:STDOUT: %addr.loc10_11.2: %ptr.d9e = addr_of %.loc10_11.3
// CHECK:STDOUT: %.loc10_20.1: ref %.bb7 = temporary_storage
// CHECK:STDOUT: %.loc10_20.2: ref %.bb7 = temporary %.loc10_20.1, %e.ref
// CHECK:STDOUT: %addr.loc10_22: %ptr.73d = addr_of %.loc10_20.2
// CHECK:STDOUT: %F__carbon_thunk.call.loc10: init %empty_tuple.type = call imports.%F__carbon_thunk.decl.e1b8ec.2(%addr.loc10_11.2, %addr.loc10_22)
// CHECK:STDOUT: %facet_value.loc10_20: %type_where = facet_value constants.%.bb7, () [concrete = constants.%facet_value.597]
// CHECK:STDOUT: %.loc10_20.3: %type_where = converted constants.%.bb7, %facet_value.loc10_20 [concrete = constants.%facet_value.597]
// CHECK:STDOUT: %DestroyT.as_type.as.Destroy.impl.Op.bound.loc10_20: <bound method> = bound_method %.loc10_20.2, constants.%DestroyT.as_type.as.Destroy.impl.Op.c08
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %bound_method.loc10_20: <bound method> = bound_method %.loc10_20.2, %DestroyT.as_type.as.Destroy.impl.Op.specific_fn.1
// CHECK:STDOUT: %addr.loc10_20: %ptr.73d = addr_of %.loc10_20.2
// CHECK:STDOUT: %DestroyT.as_type.as.Destroy.impl.Op.call.loc10_20: init %empty_tuple.type = call %bound_method.loc10_20(%addr.loc10_20)
// CHECK:STDOUT: %facet_value.loc10_11: %type_where = facet_value constants.%C, () [concrete = constants.%facet_value.b21]
// CHECK:STDOUT: %.loc10_11.4: %type_where = converted constants.%C, %facet_value.loc10_11 [concrete = constants.%facet_value.b21]
// CHECK:STDOUT: %DestroyT.as_type.as.Destroy.impl.Op.bound.loc10_11: <bound method> = bound_method %.loc10_11.3, constants.%DestroyT.as_type.as.Destroy.impl.Op.6b9
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %bound_method.loc10_11: <bound method> = bound_method %.loc10_11.3, %DestroyT.as_type.as.Destroy.impl.Op.specific_fn.2
// CHECK:STDOUT: %addr.loc10_11.3: %ptr.d9e = addr_of %.loc10_11.3
// CHECK:STDOUT: %DestroyT.as_type.as.Destroy.impl.Op.call.loc10_11: init %empty_tuple.type = call %bound_method.loc10_11(%addr.loc10_11.3)
// CHECK:STDOUT: %facet_value.loc8: %type_where = facet_value constants.%.4f0, () [concrete = constants.%facet_value.21d]
// CHECK:STDOUT: %.loc8_12.3: %type_where = converted constants.%.4f0, %facet_value.loc8 [concrete = constants.%facet_value.21d]
// CHECK:STDOUT: %DestroyT.as_type.as.Destroy.impl.Op.bound.loc8: <bound method> = bound_method %.loc8_12.2, constants.%DestroyT.as_type.as.Destroy.impl.Op.d51
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %bound_method.loc8: <bound method> = bound_method %.loc8_12.2, %DestroyT.as_type.as.Destroy.impl.Op.specific_fn.3
// CHECK:STDOUT: %addr.loc8_12: %ptr.793 = addr_of %.loc8_12.2
// CHECK:STDOUT: %DestroyT.as_type.as.Destroy.impl.Op.call.loc8: init %empty_tuple.type = call %bound_method.loc8(%addr.loc8_12)
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
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