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": [
    "//lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp",
    "//llvm/lib/Transforms/Utils/ScalarEvolutionExpander.cpp",
    "//llvm/test/Transforms/LoopIdiom/reuse-lcssa-phi-scev-expansion.ll",
    "//mlir/lib/Bindings/Python/ExecutionEngineModule.cpp",
    "//mlir/lib/Dialect/MemRef/Transforms/MultiBuffer.cpp",
    "//mlir/lib/Target/Cpp/TranslateToCpp.cpp",
    "//mlir/test/Target/Cpp/expressions.mlir"
  ],
  "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": []
}