gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//lldb/include/lldb/Utility/ProcessInfo.h",
    "//lldb/source/Host/linux/Host.cpp",
    "//lldb/unittests/Host/linux/HostTest.cpp",
    "//llvm/test/CodeGen/X86/gfni-funnel-shifts.ll",
    "//llvm/test/CodeGen/X86/gfni-rotates.ll",
    "//llvm/test/CodeGen/X86/gfni-shifts.ll",
    "//mlir/lib/Conversion/TosaToLinalg/TosaToLinalg.cpp",
    "//mlir/lib/Conversion/TosaToLinalg/TosaToLinalgPass.cpp",
    "//mlir/test/Conversion/TosaToLinalg/tosa-to-linalg.mlir"
  ],
  "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": []
}