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",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ]
}
gn analyze input:
{
  "files": [
    "//compiler-rt/test/lit.common.cfg.py",
    "//libcxx/test/selftest/dsl/dsl.sh.py",
    "//libcxx/utils/libcxx/test/config.py",
    "//libcxx/utils/libcxx/test/dsl.py",
    "//llvm/lib/Target/ARM/ARMISelLowering.cpp",
    "//llvm/test/CodeGen/ARM/byval_struct_copy_tailcall.ll",
    "//llvm/utils/lit/lit/LitConfig.py",
    "//llvm/utils/lit/lit/LitTestCase.py",
    "//llvm/utils/lit/lit/TestingConfig.py",
    "//llvm/utils/lit/lit/cl_arguments.py",
    "//llvm/utils/lit/lit/discovery.py",
    "//llvm/utils/lit/lit/display.py",
    "//llvm/utils/lit/lit/llvm/config.py",
    "//llvm/utils/lit/lit/main.py",
    "//llvm/utils/lit/tests/Inputs/verbosity/fail.txt",
    "//llvm/utils/lit/tests/Inputs/verbosity/lit.cfg",
    "//llvm/utils/lit/tests/Inputs/verbosity/pass.txt",
    "//llvm/utils/lit/tests/Inputs/verbosity/unsupported.txt",
    "//llvm/utils/lit/tests/Inputs/verbosity/xfail.txt",
    "//llvm/utils/lit/tests/Inputs/verbosity/xpass.txt",
    "//llvm/utils/lit/tests/lit-opts.py",
    "//llvm/utils/lit/tests/per-test-coverage-by-lit-cfg.py",
    "//llvm/utils/lit/tests/per-test-coverage.py",
    "//llvm/utils/lit/tests/shtest-cat.py",
    "//llvm/utils/lit/tests/shtest-env-negative.py",
    "//llvm/utils/lit/tests/shtest-env-path.py",
    "//llvm/utils/lit/tests/shtest-env-positive.py",
    "//llvm/utils/lit/tests/shtest-export.py",
    "//llvm/utils/lit/tests/shtest-glob.py",
    "//llvm/utils/lit/tests/shtest-not.py",
    "//llvm/utils/lit/tests/shtest-pushd-popd.py",
    "//llvm/utils/lit/tests/shtest-readfile-external.py",
    "//llvm/utils/lit/tests/shtest-readfile.py",
    "//llvm/utils/lit/tests/shtest-ulimit-nondarwin.py",
    "//llvm/utils/lit/tests/shtest-ulimit.py",
    "//llvm/utils/lit/tests/shtest-umask.py",
    "//llvm/utils/lit/tests/unit/TestRunner.py",
    "//llvm/utils/lit/tests/verbosity.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": []
}
running all tests due to change to blacklisted file