gn analyze output:
{
  "compile_targets": [],
  "status": "Found dependency",
  "test_targets": [
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang"
  ]
}
gn analyze input:
{
  "files": [
    "//libcxx/include/string",
    "//libcxx/src/filesystem/format_string.h",
    "//libcxx/test/benchmarks/containers/string.bench.cpp",
    "//libcxx/test/libcxx-03/strings/basic.string/string.modifiers/resize_default_initialized.pass.cpp",
    "//libcxx/test/libcxx/input.output/filesystems/class.directory_entry/directory_entry.mods/last_write_time.pass.cpp",
    "//libcxx/test/libcxx/input.output/filesystems/convert_file_time.pass.cpp",
    "//libcxx/test/libcxx/strings/basic.string/string.modifiers/resize_default_initialized.pass.cpp",
    "//mlir/lib/Dialect/SCF/Transforms/LoopSpecialization.cpp",
    "//mlir/test/Dialect/SCF/for-loop-peeling.mlir"
  ],
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd",
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ],
  "additional_compile_targets": []
}
running all tests due to change to blacklisted file