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carbon-lang/toolchain/check/testdata/interop/cpp/basics/import/include.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/none.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/basics/import/include.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interop/cpp/basics/import/include.carbon
// --- included_file.h
void foo();
// --- including_file.h
#include "included_file.h"
// --- import_function_decl.carbon
library "[[@TEST_NAME]]";
//@dump-sem-ir-begin
import Cpp library "including_file.h";
//@dump-sem-ir-end
// CHECK:STDOUT: --- import_function_decl.carbon = $import_function_decl
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: %Cpp.import_cpp = import_cpp {
// CHECK:STDOUT: import Cpp "including_file.h"
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT: