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",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ]
}
gn analyze input:
{
  "files": [
    "//llvm/lib/Target/RISCV/RISCVVLOptimizer.cpp",
    "//llvm/lib/Target/RISCV/RISCVVectorMaskDAGMutation.cpp",
    "//llvm/utils/gn/secondary/llvm/unittests/BinaryFormat/BUILD.gn",
    "//mlir/include/mlir/Dialect/SPIRV/IR/SPIRVBase.td",
    "//mlir/include/mlir/Dialect/SPIRV/IR/SPIRVStructureOps.td",
    "//mlir/lib/Dialect/SPIRV/IR/SPIRVOps.cpp",
    "//mlir/lib/Target/SPIRV/Deserialization/DeserializeOps.cpp",
    "//mlir/lib/Target/SPIRV/Deserialization/Deserializer.cpp",
    "//mlir/lib/Target/SPIRV/Deserialization/Deserializer.h",
    "//mlir/lib/Target/SPIRV/Serialization/SerializeOps.cpp",
    "//mlir/lib/Target/SPIRV/Serialization/Serializer.cpp",
    "//mlir/lib/Target/SPIRV/Serialization/Serializer.h",
    "//mlir/test/Dialect/SPIRV/IR/availability.mlir",
    "//mlir/test/Dialect/SPIRV/IR/structure-ops.mlir",
    "//mlir/test/Target/SPIRV/constant.mlir",
    "//mlir/test/Target/SPIRV/spec-constant.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": []
}