gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//mlir/include/mlir/Dialect/IRDL/IR/IRDLOps.td",
    "//mlir/lib/Dialect/IRDL/IR/IRDL.cpp",
    "//mlir/test/CAPI/irdl.c",
    "//mlir/test/Dialect/IRDL/cmath.irdl.mlir",
    "//mlir/test/Dialect/IRDL/cpred.irdl.mlir",
    "//mlir/test/Dialect/IRDL/cyclic-types.irdl.mlir",
    "//mlir/test/Dialect/IRDL/invalid.irdl.mlir",
    "//mlir/test/Dialect/IRDL/regions-ops.irdl.mlir",
    "//mlir/test/Dialect/IRDL/test-type.irdl.mlir",
    "//mlir/test/Dialect/IRDL/testd.irdl.mlir",
    "//mlir/test/Dialect/IRDL/variadics-error.irdl.mlir",
    "//mlir/test/Dialect/IRDL/variadics.irdl.mlir",
    "//mlir/test/Dialect/Transform/irdl.mlir",
    "//mlir/test/tblgen-to-irdl/CMathDialect.td",
    "//mlir/test/tblgen-to-irdl/TestDialect.td",
    "//mlir/tools/tblgen-to-irdl/OpDefinitionsGen.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": []
}