gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//clang/lib/CIR/CodeGen/CIRGenStmtOpenMP.cpp",
    "//clang/lib/CIR/CodeGen/CIRGenerator.cpp",
    "//clang/lib/CIR/Lowering/DirectToLLVM/CMakeLists.txt",
    "//clang/lib/CIR/Lowering/DirectToLLVM/LowerToLLVM.cpp",
    "//clang/test/CIR/CodeGenOpenMP/not-yet-implemented.c",
    "//clang/test/CIR/CodeGenOpenMP/omp-llvmir.c",
    "//clang/test/CIR/CodeGenOpenMP/parallel.c",
    "//clang/tools/cir-opt/cir-opt.cpp",
    "//clang/tools/cir-translate/cir-translate.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": []
}