gn analyze output:
{
  "compile_targets": [],
  "status": "Found dependency",
  "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"
  ]
}
gn analyze input:
{
  "files": [
    "//lld/COFF/DriverUtils.cpp",
    "//llvm/lib/Transforms/Vectorize/LoopVectorize.cpp",
    "//mlir/lib/Conversion/VectorToGPU/VectorToGPU.cpp",
    "//mlir/lib/Dialect/MemRef/Transforms/EmulateNarrowType.cpp",
    "//mlir/lib/Dialect/SparseTensor/Transforms/Utils/LoopEmitter.cpp",
    "//mlir/lib/Dialect/Transform/Interfaces/TransformInterfaces.cpp",
    "//mlir/lib/Dialect/Vector/IR/VectorOps.cpp",
    "//mlir/lib/Dialect/Vector/Transforms/VectorDistribute.cpp",
    "//mlir/lib/IR/Verifier.cpp",
    "//mlir/lib/Interfaces/DataLayoutInterfaces.cpp",
    "//mlir/lib/Transforms/Utils/InliningUtils.cpp",
    "//mlir/test/lib/Dialect/Affine/TestVectorizationUtils.cpp",
    "//mlir/test/lib/Dialect/SCF/TestSCFUtils.cpp",
    "//mlir/tools/mlir-tblgen/RewriterGen.cpp",
    "//mlir/tools/mlir-tblgen/SPIRVUtilsGen.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": []
}