gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//llvm/test/MC/M68k/Data/Classes/MxMoveSR.s",
    "//mlir/include/mlir/Target/LLVMIR/Import.h",
    "//mlir/lib/Dialect/LLVMIR/Transforms/InlinerInterfaceImpl.cpp",
    "//mlir/lib/Target/LLVMIR/ModuleImport.cpp",
    "//mlir/test/Dialect/LLVMIR/inlining.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": []
}