gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//bolt/README.md",
    "//bolt/docs/Heatmaps.md",
    "//bolt/docs/index.rst",
    "//bolt/lib/Profile/DataAggregator.cpp",
    "//bolt/test/X86/nolbr.s",
    "//bolt/test/X86/pre-aggregated-perf.test",
    "//bolt/test/perf2bolt/perf_test.test",
    "//clang/lib/CIR/CodeGen/CIRGenCXX.cpp",
    "//clang/lib/CIR/CodeGen/CIRGenExprConstant.cpp",
    "//clang/test/CIR/CodeGen/global-init.cpp",
    "//clang/test/CIR/CodeGen/struct-init.cpp",
    "//clang/utils/perf-training/perf-helper.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": []
}