gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//mlir/lib/Target/LLVM/ModuleToObject.cpp",
    "//mlir/lib/Target/LLVM/NVVM/Target.cpp",
    "//mlir/lib/Target/LLVM/ROCDL/Utils.cpp",
    "//mlir/lib/Target/LLVMIR/DataLayoutImporter.cpp",
    "//mlir/lib/Target/LLVMIR/DebugImporter.cpp",
    "//mlir/lib/Target/LLVMIR/Dialect/LLVMIR/LLVMIRToLLVMTranslation.cpp",
    "//mlir/lib/Target/LLVMIR/Dialect/LLVMIR/LLVMToLLVMIRTranslation.cpp",
    "//mlir/lib/Target/LLVMIR/Dialect/NVVM/LLVMIRToNVVMTranslation.cpp",
    "//mlir/lib/Target/LLVMIR/Dialect/NVVM/NVVMToLLVMIRTranslation.cpp",
    "//mlir/lib/Target/LLVMIR/Dialect/OpenACC/OpenACCToLLVMIRTranslation.cpp",
    "//mlir/lib/Target/LLVMIR/Dialect/SPIRV/SPIRVToLLVMIRTranslation.cpp",
    "//mlir/lib/Target/LLVMIR/Dialect/VCIX/VCIXToLLVMIRTranslation.cpp",
    "//mlir/lib/Target/LLVMIR/LLVMImportInterface.cpp",
    "//mlir/lib/Target/LLVMIR/ModuleImport.cpp",
    "//mlir/lib/Target/LLVMIR/ModuleTranslation.cpp",
    "//mlir/lib/Target/LLVMIR/TypeToLLVM.cpp",
    "//mlir/lib/Target/SMTLIB/ExportSMTLIB.cpp",
    "//mlir/lib/Target/SPIRV/SPIRVBinaryUtils.cpp",
    "//mlir/lib/Target/SPIRV/Serialization/Serialization.cpp",
    "//mlir/lib/Target/SPIRV/TranslateRegistration.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": []
}