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/AArch64/AArch64TargetTransformInfo.cpp",
    "//llvm/lib/Target/SPIRV/SPIRVModuleAnalysis.cpp",
    "//llvm/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp",
    "//llvm/test/CodeGen/SPIRV/extensions/SPV_EXT_optnone.ll",
    "//llvm/test/Transforms/LoopVectorize/X86/vectorization-remarks-missed.ll",
    "//llvm/test/Transforms/LoopVectorize/early_exit_legality.ll",
    "//llvm/test/Transforms/LoopVectorize/uncountable-single-exit-loops.ll",
    "//mlir/lib/Conversion/GPUToLLVMSPV/GPUToLLVMSPV.cpp",
    "//mlir/test/Conversion/GPUToLLVMSPV/gpu-to-llvm-spv.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": []
}