gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//mlir/include/mlir/Dialect/LLVMIR/LLVMAttrDefs.td",
    "//mlir/include/mlir/Dialect/LLVMIR/LLVMOps.td",
    "//mlir/include/mlir/Dialect/OpenACC/OpenACCCGOps.td",
    "//mlir/lib/Dialect/LLVMIR/IR/LLVMAttrs.cpp",
    "//mlir/lib/Target/LLVMIR/ModuleTranslation.cpp",
    "//mlir/test/Dialect/LLVMIR/invalid.mlir",
    "//mlir/test/Dialect/LLVMIR/roundtrip.mlir",
    "//mlir/test/Dialect/OpenACC/acc-cg-to-gpu-barrier-gang-private-init.mlir",
    "//mlir/test/Dialect/OpenACC/acc-cg-to-gpu-private-local-gang-redundant.mlir",
    "//mlir/test/Dialect/OpenACC/acc-cg-to-gpu-privatize-threadprivate.mlir",
    "//mlir/test/Dialect/OpenACC/acc-cg-to-gpu-reduction-array-shared.mlir",
    "//mlir/test/Dialect/OpenACC/acc-cg-to-gpu-reduction-array.mlir",
    "//mlir/test/Dialect/OpenACC/acc-cg-to-gpu-reduction-block-combine-no-reload.mlir",
    "//mlir/test/Dialect/OpenACC/acc-cg-to-gpu-reduction-combine-region-private-dest.mlir",
    "//mlir/test/Dialect/OpenACC/acc-cg-to-gpu-routine-worker-call-with-thread-y-reduction.mlir",
    "//mlir/test/Dialect/OpenACC/acc-cg-to-gpu-worker-reduction-combine-mixed-scope.mlir",
    "//mlir/test/Dialect/OpenACC/acc-cg-to-gpu-worker-reduction-combine.mlir",
    "//mlir/test/Dialect/OpenACC/acc-cg-to-gpu-worker-reduction-private.mlir",
    "//mlir/test/Dialect/OpenACC/invalid-cg.mlir",
    "//mlir/test/Dialect/OpenACC/ops-cg-privatization.mlir",
    "//mlir/test/Dialect/OpenACC/ops-cg.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": []
}