ASSERT_EQ(in_specs.size(), 1);
  ASSERT_EQ(in_specs[0].first, tensorflow::DT_INT32);
  ASSERT_TRUE(in_specs[0].second.IsIdenticalTo(PartialTensorShape({1, 3})));

  ASSERT_EQ(out_specs.size(), 1);
  ASSERT_EQ(out_specs[0].first, tensorflow::DT_INT32);
  ASSERT_TRUE(out_specs[0].second.IsIdenticalTo(PartialTensorShape({1, 1})));

  ASSERT_EQ(bound_inputs.size(), 2);

  auto global_tensor =

  auto rop = llvm::dyn_cast<quantfork::QuantizeRegionOp>(op);
  if (!rop) return failure();

  llvm::SmallVector<Type, 4> input_specs, out_specs;
  for (auto spec : rop.getInputSpecs()) {
    input_specs.push_back(spec.cast<TypeAttr>().getValue());
  }
  for (auto spec : rop.getOutputSpecs()) {
    out_specs.push_back(spec.cast<TypeAttr>().getValue());
  }

  auto in_spec = input_specs[0].dyn_cast<UniformQuantizedType>();