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carbon-lang/toolchain/driver/testdata/fail_llvm_fuzzing.carbon
T
Chandler CarruthandGeoff Romer 1459332031 Add subcommands and busybox entry points for LLVM tools (#5049)
This adds support for most of the remaining LLVM command line tools
using a generic, generated wrapper. The subcommand interface for these
is (much) less interesting than our other subcommands, but it gives us
a uniform and consistent layer.

Note that I structured these as nested sub-sub-commands below an `llvm`
subcommand because of an expectation that we will want to add more, and
ones that don't use this generic layer. Some concrete future work:

- Add the `opt` and `llc` tools as subcommands for easier debugging and
  experimentation with LLVM IR output from Carbon's toolchain.
- Potentially sink `lld` below the `llvm` layer given that it has
  significantly less user visibility than commands like `clang`.

Unfortunately, the current driver subcommand APIs make nested
subcommands awkward. I've added a somewhat rough hack here to let the
LLVM tools go in, but there are some TODOs that I want to address in
a follow-up that works to adjust the structure of this code to be more
conducive to nesting like this.

Depends on #5048 -- only the last commit should be reviewed here.

---------

Co-authored-by: Geoff Romer <gromer@google.com>
2025-03-04 18:00:06 +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
//
// ARGS: --include-diagnostic-kind --fuzzing llvm ar -- --version
//
// SET-CAPTURE-CONSOLE-OUTPUT
// clang-format off
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/driver/testdata/fail_llvm_fuzzing.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/driver/testdata/fail_llvm_fuzzing.carbon
// CHECK:STDERR: error: preventing fuzzing of `llvm` subcommand due to external library [ToolFuzzingDisallowed]
// CHECK:STDERR: