gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//.arcconfig",
    "//.arclint",
    "//llvm/docs/Contributing.rst",
    "//llvm/docs/DeveloperPolicy.rst",
    "//llvm/docs/Phabricator.rst",
    "//llvm/docs/Phabricator_premerge_results.png",
    "//llvm/docs/Phabricator_premerge_unit_tests.png",
    "//llvm/docs/UserGuides.rst",
    "//utils/arcanist/clang-format.sh"
  ],
  "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": []
}