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": [
    "//llvm/lib/Target/NVPTX/NVPTXTargetTransformInfo.cpp",
    "//llvm/test/CodeGen/NVPTX/prefetch-inferas-test.ll",
    "//llvm/test/CodeGen/NVPTX/prefetch.ll",
    "//mlir/examples/standalone/CMakeLists.txt",
    "//mlir/examples/standalone/pyproject.toml",
    "//mlir/test/Examples/standalone/lit.local.cfg",
    "//mlir/test/Examples/standalone/test.wheel.toy",
    "//mlir/test/lit.site.cfg.py.in",
    "//offload/plugins-nextgen/common/src/PluginInterface.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": []
}