gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//libcxx/.clang-format",
    "//libcxx/include/__config",
    "//libcxxabi/src/cxa_guard_impl.h",
    "//libcxxabi/src/fallback_malloc.cpp",
    "//libcxxabi/test/guard_test_basic.pass.cpp",
    "//libcxxabi/test/guard_threaded_test.pass.cpp",
    "//libcxxabi/test/test_fallback_malloc.pass.cpp",
    "//mlir/include/mlir/Dialect/X86Vector/TransformOps/X86VectorTransformOps.td",
    "//mlir/include/mlir/Dialect/X86Vector/Transforms.h",
    "//mlir/lib/Dialect/X86Vector/TransformOps/X86VectorTransformOps.cpp",
    "//mlir/lib/Dialect/X86Vector/Transforms/CMakeLists.txt",
    "//mlir/lib/Dialect/X86Vector/Transforms/ShuffleVectorFMAOps.cpp",
    "//mlir/test/Dialect/X86Vector/shuffle-vector-fmas.mlir"
  ],
  "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