gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//flang/lib/Semantics/check-omp-atomic.cpp",
    "//lldb/include/lldb/API/SBError.h",
    "//lldb/include/lldb/API/SBFrame.h",
    "//lldb/include/lldb/Host/ProcessRunLock.h",
    "//lldb/include/lldb/Target/ExecutionContext.h",
    "//lldb/source/API/SBFrame.cpp",
    "//lldb/source/API/SBThread.cpp",
    "//lldb/source/Target/ExecutionContext.cpp",
    "//lldb/test/API/python_api/run_locker/TestRunLocker.py",
    "//llvm/utils/gn/secondary/clang/lib/Format/BUILD.gn",
    "//llvm/utils/gn/secondary/clang/unittests/Format/BUILD.gn",
    "//mlir/lib/Bindings/Python/IRCore.cpp",
    "//mlir/python/mlir/_mlir_libs/_mlir/ir.pyi",
    "//mlir/test/python/ir/operation.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": []
}