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",
    "//compiler-rt/test/hwasan:check-hwasan",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ]
}
gn analyze input:
{
  "files": [
    "//.github/workflows/libc-overlay-tests.yml",
    "//flang/lib/Lower/OpenMP/OpenMP.cpp",
    "//flang/test/Integration/OpenMP/do-simd-firstprivate-lastprivate-runtime.f90",
    "//flang/test/Lower/OpenMP/do-simd-firstprivate-lastprivate.f90",
    "//flang/test/Lower/OpenMP/order-clause.f90",
    "//flang/test/Lower/OpenMP/wsloop-simd.f90",
    "//llvm/lib/CodeGen/AtomicExpandPass.cpp",
    "//llvm/lib/Target/Hexagon/HexagonISelLowering.cpp",
    "//llvm/lib/Transforms/Utils/BypassSlowDivision.cpp"
  ],
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd",
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//compiler-rt/test/hwasan:check-hwasan",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ],
  "additional_compile_targets": []
}