gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//flang/lib/Semantics/check-omp-structure.cpp",
    "//flang/test/Semantics/OpenMP/nested-target.f90",
    "//mlir/include/mlir/Dialect/GPU/IR/GPUOps.td",
    "//mlir/include/mlir/Dialect/Vector/IR/VectorOps.td",
    "//mlir/include/mlir/Dialect/Vector/Transforms/VectorDistribution.h",
    "//mlir/lib/Dialect/GPU/IR/GPUDialect.cpp",
    "//mlir/lib/Dialect/Vector/IR/VectorOps.cpp",
    "//mlir/lib/Dialect/Vector/Transforms/VectorDistribute.cpp",
    "//mlir/test/Conversion/GPUCommon/transfer_write.mlir",
    "//mlir/test/Dialect/GPU/invalid.mlir",
    "//mlir/test/Dialect/GPU/ops.mlir",
    "//mlir/test/Dialect/Vector/invalid.mlir",
    "//mlir/test/Dialect/Vector/ops.mlir",
    "//mlir/test/Dialect/Vector/vector-warp-distribute.mlir",
    "//mlir/test/Integration/Dialect/Vector/GPU/CUDA/test-reduction-distribute.mlir",
    "//mlir/test/Integration/Dialect/Vector/GPU/CUDA/test-warp-distribute.mlir",
    "//mlir/test/lib/Dialect/Vector/TestVectorTransforms.cpp"
  ],
  "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": []
}