gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//flang/docs/Extensions.md",
    "//flang/lib/Lower/ConvertCall.cpp",
    "//flang/lib/Lower/ConvertExprToHLFIR.cpp",
    "//flang/test/Fir/memory-allocation-opt.fir",
    "//flang/test/HLFIR/assumed-type-actual-args.f90",
    "//flang/test/Lower/HLFIR/structure-constructor.f90",
    "//llvm/docs/Frontend/PerformanceTips.rst",
    "//llvm/utils/git/github-automation.py",
    "//llvm/utils/gn/secondary/clang-tools-extra/clang-tidy/bugprone/BUILD.gn",
    "//llvm/utils/gn/secondary/llvm/lib/ExecutionEngine/Orc/Debugging/BUILD.gn",
    "//llvm/utils/gn/secondary/llvm/lib/ExecutionEngine/Orc/TargetProcess/BUILD.gn"
  ],
  "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": []
}