gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//flang/lib/Optimizer/CodeGen/CodeGen.cpp",
    "//flang/test/Fir/CUDA/cuda-code-gen.mlir",
    "//lldb/packages/Python/lldbsuite/test/cpu_feature.py",
    "//lldb/packages/Python/lldbsuite/test/decorators.py",
    "//lldb/packages/Python/lldbsuite/test/lldbtest.py",
    "//lldb/test/API/commands/register/register/register_command/TestRegisters.py",
    "//lldb/test/API/macosx/sme-registers/TestSMERegistersDarwin.py",
    "//mlir/lib/Dialect/XeGPU/Transforms/XeGPUUnroll.cpp",
    "//mlir/test/Dialect/XeGPU/xegpu-unroll-patterns.mlir",
    "//mlir/test/lib/Dialect/XeGPU/TestXeGPUTransforms.cpp"
  ],
  "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": []
}