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": [
    "//clang/include/clang/Basic/LangOptions.def",
    "//clang/include/clang/Options/Options.td",
    "//clang/lib/CodeGen/CGOpenMPRuntimeGPU.cpp",
    "//clang/lib/Driver/ToolChains/Clang.cpp",
    "//clang/test/Driver/openmp-target-atomic-reduction-flag.c",
    "//clang/test/OpenMP/target_teams_atomic_reduction_codegen.cpp",
    "//llvm/include/llvm/Frontend/OpenMP/OMPKinds.def",
    "//llvm/lib/Frontend/OpenMP/OMPIRBuilder.cpp",
    "//offload/test/offloading/multiple_reductions.cpp",
    "//offload/test/offloading/xteam_atomic_reduction_usm.cpp",
    "//openmp/device/include/Interface.h",
    "//openmp/device/src/Kernel.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": []
}
running all tests due to change to blacklisted file