gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//llvm/utils/gn/secondary/clang/lib/Driver/BUILD.gn",
    "//llvm/utils/gn/secondary/clang/lib/Frontend/BUILD.gn",
    "//llvm/utils/gn/secondary/llvm/lib/Target/RISCV/BUILD.gn",
    "//mlir/include/mlir/Dialect/X86Vector/CMakeLists.txt",
    "//mlir/include/mlir/Dialect/X86Vector/TransformOps/CMakeLists.txt",
    "//mlir/include/mlir/Dialect/X86Vector/TransformOps/X86VectorTransformOps.h",
    "//mlir/include/mlir/Dialect/X86Vector/TransformOps/X86VectorTransformOps.td",
    "//mlir/include/mlir/Dialect/X86Vector/Transforms.h",
    "//mlir/lib/Dialect/X86Vector/CMakeLists.txt",
    "//mlir/lib/Dialect/X86Vector/TransformOps/CMakeLists.txt",
    "//mlir/lib/Dialect/X86Vector/TransformOps/X86VectorTransformOps.cpp",
    "//mlir/lib/Dialect/X86Vector/Transforms/CMakeLists.txt",
    "//mlir/lib/Dialect/X86Vector/Transforms/VectorContractToFMA.cpp",
    "//mlir/lib/Dialect/X86Vector/Transforms/VectorContractToPackedTypeDotProduct.cpp",
    "//mlir/lib/RegisterAllExtensions.cpp",
    "//mlir/test/Dialect/X86Vector/vector-contract-to-fma.mlir",
    "//mlir/test/Dialect/X86Vector/vector-contract-to-packed-type-dotproduct.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": []
}