gn analyze output:
{
  "compile_targets": [],
  "status": "Found dependency",
  "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"
  ]
}
gn analyze input:
{
  "files": [
    "//libcxx/test/std/iterators/iterator.requirements/indirectcallable/indirectinvocable/indirect_result_t.compile.pass.cpp",
    "//libcxx/test/std/utilities/memory/specialized.algorithms/specialized.destroy/ranges_destroy_at.pass.cpp",
    "//libcxx/test/std/utilities/meta/meta.rel/is_convertible.pass.cpp",
    "//llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp",
    "//llvm/utils/gn/secondary/clang-tools-extra/clang-reorder-fields/BUILD.gn",
    "//llvm/utils/gn/secondary/libcxx/include/BUILD.gn"
  ],
  "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": []
}