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carbon-lang/toolchain/check/testdata/interop/cpp/enum/copy.carbon
T
Geoff RomerandDana Jansens e67b6db910 Give files shorthand names in textual SemIR (#8104) 
Shorthand names are intended to be used in the textual format of
references to instructions in another IR (which can't happen now, but
will be possible in a forthcoming PR). The shorthand name uses the file
name (minus the `.carbon` suffix) as a base, and if that base name is
ambiguous within the compilation, it is given a numerical suffix `.N`,
just like other textual IR names. Shorthand names are prefixed with `$`
in the textual format, to distinguish them from inst and scope names.

For example, a file `foo/bar.carbon` has the shorthand name `$bar`, and
an instruction `@baz.%qux` in that file can be referenced from another
file as `$bar.@baz.%qux`.

This PR adds `toolchain/check/testdata/basics/file_name.carbon` to test
this behavior. All other test changes are just applying this change to
the existing textual SemIR dumps.

---------

Co-authored-by: Dana Jansens <danakj@orodu.net>
2026-11-12 23:34:32 +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/copy.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interop/cpp/enum/copy.carbon
// --- enum.h
enum Enum : short { a, b, c };
// --- copy_enum.carbon
library "[[@TEST_NAME]]";
import Cpp library "enum.h";
//@dump-sem-ir-begin
fn F() {
var a: Cpp.Enum = Cpp.Enum.a;
a = Cpp.Enum.b;
}
//@dump-sem-ir-end
// CHECK:STDOUT: --- copy_enum.carbon = $copy_enum
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT: %Enum: type = class_type @Enum [concrete]
// CHECK:STDOUT: %pattern_type.926: type = pattern_type %Enum [concrete]
// CHECK:STDOUT: %a.patt: %pattern_type.926 = ref_binding_pattern a [concrete]
// CHECK:STDOUT: %a.var_patt: %pattern_type.926 = var_pattern %a.patt [concrete]
// CHECK:STDOUT: %int_0: %Enum = int_value 0 [concrete]
// CHECK:STDOUT: %Copy.type: type = facet_type <@Copy> [concrete]
// CHECK:STDOUT: %Copy.WithSelf.Op.type.7f5: type = fn_type @Copy.WithSelf.Op.2 [concrete]
// CHECK:STDOUT: %Copy.WithSelf.Op.416: %Copy.WithSelf.Op.type.7f5 = struct_value () [concrete]
// CHECK:STDOUT: %custom_witness.bab: <witness> = custom_witness (%Copy.WithSelf.Op.416), @Copy [concrete]
// CHECK:STDOUT: %Copy.facet.512: %Copy.type = facet_value %Enum, (%custom_witness.bab) [concrete]
// CHECK:STDOUT: %Copy.WithSelf.Op.type.a9d: type = fn_type @Copy.WithSelf.Op.1, @Copy.WithSelf(%Copy.facet.512) [concrete]
// CHECK:STDOUT: %.18e: type = fn_type_with_self_type %Copy.WithSelf.Op.type.a9d, %Copy.facet.512 [concrete]
// CHECK:STDOUT: %Copy.WithSelf.Op.bound.996: <bound method> = bound_method %int_0, %Copy.WithSelf.Op.416 [concrete]
// CHECK:STDOUT: %int_1: %Enum = int_value 1 [concrete]
// CHECK:STDOUT: %Copy.WithSelf.Op.bound.1a9: <bound method> = bound_method %int_1, %Copy.WithSelf.Op.416 [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.687: type = fn_type @SubobjectDestroy.WithSelf.Op.loc8 [concrete]
// CHECK:STDOUT: %SubobjectDestroy.WithSelf.Op.30f: %SubobjectDestroy.WithSelf.Op.type.687 = struct_value () [concrete]
// CHECK:STDOUT: %custom_witness.b80: <witness> = custom_witness (%SubobjectDestroy.WithSelf.Op.30f), @SubobjectDestroy [concrete]
// CHECK:STDOUT: %SubobjectDestroy.facet.496: %SubobjectDestroy.type = facet_value %Enum, (%custom_witness.b80) [concrete]
// CHECK:STDOUT: %DestroyImpl.impl_witness.e12: <witness> = impl_witness imports.%DestroyImpl.impl_witness_table, @T.as_type.as.DestroyImpl.impl(%SubobjectDestroy.facet.496) [concrete]
// CHECK:STDOUT: %Destroy.facet: %Destroy.type = facet_value %Enum, (%DestroyImpl.impl_witness.e12, %custom_witness.b80) [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .Enum = %Enum.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Enum.decl: type = class_decl @Enum [concrete = constants.%Enum] {} {}
// CHECK:STDOUT: %int_0: %Enum = int_value 0 [concrete = constants.%int_0]
// CHECK:STDOUT: %int_1: %Enum = int_value 1 [concrete = constants.%int_1]
// 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: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %a.var: ref %Enum = var_storage %a.var_patt
// CHECK:STDOUT: %Cpp.ref.loc8_21: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %Enum.ref.loc8_24: type = name_ref Enum, imports.%Enum.decl [concrete = constants.%Enum]
// CHECK:STDOUT: %a.ref.loc8: %Enum = name_ref a, imports.%int_0 [concrete = constants.%int_0]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %impl.elem0.loc8: %.18e = impl_witness_access constants.%custom_witness.bab, element0 [concrete = constants.%Copy.WithSelf.Op.416]
// CHECK:STDOUT: %bound_method.loc8: <bound method> = bound_method %a.ref.loc8, %impl.elem0.loc8 [concrete = constants.%Copy.WithSelf.Op.bound.996]
// CHECK:STDOUT: %Copy.WithSelf.Op.call.loc8: init %Enum = call %bound_method.loc8(%a.ref.loc8) [concrete = constants.%int_0]
// CHECK:STDOUT: assign %a.var, %Copy.WithSelf.Op.call.loc8
// CHECK:STDOUT: %.loc8_13: type = splice_block %Enum.ref.loc8_13 [concrete = constants.%Enum] {
// CHECK:STDOUT: %Cpp.ref.loc8_10: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %Enum.ref.loc8_13: type = name_ref Enum, imports.%Enum.decl [concrete = constants.%Enum]
// CHECK:STDOUT: }
// CHECK:STDOUT: %a: ref %Enum = wrapper_binding a, %a.var
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %a.patt: %pattern_type.926 = ref_binding_pattern a [concrete = constants.%a.patt]
// CHECK:STDOUT: %a.var_patt: %pattern_type.926 = var_pattern %a.patt [concrete = constants.%a.var_patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: %a.ref.loc10: ref %Enum = name_ref a, %a
// CHECK:STDOUT: %Cpp.ref.loc10: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %Enum.ref.loc10: type = name_ref Enum, imports.%Enum.decl [concrete = constants.%Enum]
// CHECK:STDOUT: %b.ref: %Enum = name_ref b, imports.%int_1 [concrete = constants.%int_1]
// CHECK:STDOUT: %impl.elem0.loc10: %.18e = impl_witness_access constants.%custom_witness.bab, element0 [concrete = constants.%Copy.WithSelf.Op.416]
// CHECK:STDOUT: %bound_method.loc10: <bound method> = bound_method %b.ref, %impl.elem0.loc10 [concrete = constants.%Copy.WithSelf.Op.bound.1a9]
// CHECK:STDOUT: %Copy.WithSelf.Op.call.loc10: init %Enum = call %bound_method.loc10(%b.ref) [concrete = constants.%int_1]
// CHECK:STDOUT: assign %a.ref.loc10, %Copy.WithSelf.Op.call.loc10
// CHECK:STDOUT: %Destroy.facet.loc8_3.1: %Destroy.type = facet_value constants.%Enum, (constants.%DestroyImpl.impl_witness.e12, constants.%custom_witness.b80) [concrete = constants.%Destroy.facet]
// CHECK:STDOUT: %.loc8_3.1: %Destroy.type = converted constants.%Enum, %Destroy.facet.loc8_3.1 [concrete = constants.%Destroy.facet]
// CHECK:STDOUT: %Destroy.facet.loc8_3.2: %Destroy.type = facet_value constants.%Enum, (constants.%DestroyImpl.impl_witness.e12, constants.%custom_witness.b80) [concrete = constants.%Destroy.facet]
// CHECK:STDOUT: %.loc8_3.2: %Destroy.type = converted constants.%Enum, %Destroy.facet.loc8_3.2 [concrete = constants.%Destroy.facet]
// CHECK:STDOUT: <elided>
// 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.loc8(%self.param: ref %Enum) = "no_op";
// CHECK:STDOUT:
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