gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//mlir/lib/Conversion/ArithToAMDGPU/ArithToAMDGPU.cpp",
    "//mlir/lib/Dialect/Linalg/Transforms/Vectorization.cpp",
    "//mlir/lib/Dialect/Vector/Transforms/LowerVectorMultiReduction.cpp",
    "//mlir/lib/Dialect/Vector/Transforms/VectorInsertExtractStridedSliceRewritePatterns.cpp",
    "//mlir/test/Conversion/ArithToAMDGPU/16-bit-floats.mlir",
    "//mlir/test/Dialect/Linalg/vectorization-scalable.mlir",
    "//mlir/test/Dialect/Linalg/vectorization-with-patterns.mlir",
    "//mlir/test/Dialect/Linalg/vectorize-tensor-extract-masked.mlir",
    "//mlir/test/Dialect/Linalg/vectorize-tensor-extract.mlir",
    "//mlir/test/Dialect/Vector/vector-multi-reduction-lowering.mlir",
    "//mlir/test/Dialect/Vector/vector-multi-reduction-pass-lowering.mlir"
  ],
  "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": []
}