gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//llvm/test/Transforms/SLPVectorizer/RISCV/strided-load-common-alignment.ll",
    "//mlir/examples/transform/Ch2/lib/MyExtension.cpp",
    "//mlir/examples/transform/Ch3/lib/MyExtension.cpp",
    "//mlir/include/mlir/Dialect/SCF/IR/SCF.h",
    "//mlir/include/mlir/Dialect/SCF/IR/SCFDialect.h",
    "//mlir/lib/CAPI/Dialect/SCF.cpp",
    "//mlir/lib/Conversion/TosaToLinalg/TosaToLinalgNamedPass.cpp",
    "//mlir/lib/Conversion/TosaToLinalg/TosaToLinalgPass.cpp",
    "//mlir/lib/Conversion/TosaToSCF/TosaToSCFPass.cpp",
    "//mlir/lib/Dialect/Async/Transforms/AsyncToAsyncRuntime.cpp",
    "//mlir/lib/Dialect/Linalg/TransformOps/DialectExtension.cpp",
    "//mlir/test/lib/Dialect/GPU/TestGpuMemoryPromotion.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": []
}