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",
    "//llvm/test:check-llvm"
  ]
}
gn analyze input:
{
  "files": [
    "//clang/cmake/caches/Release.cmake",
    "//clang/lib/Driver/ToolChains/CommonArgs.cpp",
    "//clang/test/Driver/matrix.c",
    "//llvm/lib/InterfaceStub/IFSHandler.cpp",
    "//llvm/lib/InterfaceStub/IFSStub.cpp",
    "//llvm/test/tools/llvm-ifs/ifs-read-invalid-symbol-type.test",
    "//llvm/unittests/InterfaceStub/ELFYAMLTest.cpp",
    "//llvm/utils/git/github-automation.py"
  ],
  "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": []
}