gn analyze output:
{
  "compile_targets": [],
  "status": "Found dependency",
  "test_targets": [
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang"
  ]
}
gn analyze input:
{
  "files": [
    "//libcxx/include/CMakeLists.txt",
    "//libcxx/include/__locale_dir/locale_base_api.h",
    "//libcxx/include/__locale_dir/support/bsd_like.h",
    "//libcxx/include/__locale_dir/support/netbsd.h",
    "//libcxx/include/module.modulemap.in",
    "//llvm/utils/gn/secondary/libcxx/include/BUILD.gn",
    "//mlir/lib/Dialect/SparseTensor/Transforms/Utils/SparseTensorIterator.cpp",
    "//mlir/lib/Dialect/SparseTensor/Transforms/Utils/SparseTensorIterator.h"
  ],
  "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": []
}
running all tests due to change to blacklisted file