gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//flang/test/Driver/gcc-triple.f90",
    "//lldb/bindings/interface/SBFrameListExtensions.i",
    "//lldb/bindings/interface/SBThreadExtensions.i",
    "//lldb/bindings/interfaces.swig",
    "//lldb/include/lldb/API/LLDB.h",
    "//lldb/include/lldb/API/SBDefines.h",
    "//lldb/include/lldb/API/SBFrame.h",
    "//lldb/include/lldb/API/SBFrameList.h",
    "//lldb/include/lldb/API/SBStream.h",
    "//lldb/include/lldb/API/SBThread.h",
    "//lldb/include/lldb/Target/StackFrameList.h",
    "//lldb/include/lldb/Target/Thread.h",
    "//lldb/source/API/CMakeLists.txt",
    "//lldb/source/API/SBFrameList.cpp",
    "//lldb/source/API/SBThread.cpp",
    "//lldb/test/API/python_api/frame_list/Makefile",
    "//lldb/test/API/python_api/frame_list/TestSBFrameList.py",
    "//lldb/test/API/python_api/frame_list/main.cpp",
    "//lldb/tools/debugserver/source/MacOSX/MachTask.h",
    "//lldb/tools/debugserver/source/MacOSX/MachTask.mm",
    "//llvm/utils/gn/secondary/lldb/source/API/BUILD.gn",
    "//llvm/utils/gn/secondary/llvm/lib/Analysis/BUILD.gn",
    "//llvm/utils/gn/secondary/llvm/unittests/CodeGen/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": []
}