.getOperation();
           });

  // mlir::TF::ConstOp
  py::class_<mlir::TF::ConstOp>(m, "Tf_ConstOp")
      .def("create",
           [](mlir::OpBuilder& opb, mlir::Location loc,
              mlir::Attribute value) -> mlir::Operation* {
             return opb.create<mlir::TF::ConstOp>(loc, value).getOperation();
           });

  // mlir::TF::EqualOp

    return "";
  }

  auto assigned_value_operand = assign_var_op.getOperand(1);
  auto const_op =
      llvm::dyn_cast<mlir::TF::ConstOp>(assigned_value_operand.getDefiningOp());
  if (!const_op) {
    assign_var_op->emitRemark(
        "Operand idx 1 is not a tf.ConstOp. The initializing tensor is not "
        "saved to checkpoint.");
    return "";
  }

  Tensor const_tensor{};

namespace mlir {
namespace quant {

// Returns the size in bytes of the underlying data of `const_op`. If the
// underlying type's size cannot be determined, it assumes 4 bytes per element.
int64_t GetSizeInBytes(TF::ConstOp const_op);

}  // namespace quant
}  // namespace mlir

    if (func.getNumArguments() == 0) {
      return;
    }

    auto builder = OpBuilder::atBlockBegin(&func.front());

    llvm::SmallDenseMap<llvm::StringRef, TF::ConstOp> const_ops;
    llvm::BitVector arg_indexes_to_remove(func.getNumArguments());

    // Replace arguments with const ops.
    for (BlockArgument argument : func.getArguments()) {

include "tensorflow/compiler/mlir/tensorflow/ir/tf_ops.td"
include "mlir/IR/OpBase.td"
include "mlir/Dialect/Arith/IR/ArithOps.td"

def ConstDenseElementsI32ZeroAttr
  : NativeCodeCall<"$_builder.create<TFL::ConstOp>($_loc, DenseElementsAttr::get(RankedTensorType::get({}, $_builder.getI32Type()), {0}))">;

def Size1InputRange : NativeCodeCall<
  "SmallVector<Value, 1>{$0}">;

def Size2InputRange : NativeCodeCall<

#include "tensorflow/compiler/mlir/tensorflow/ir/tf_ops.h"

namespace mlir {
namespace quant {

std::optional<TF::PartitionedCallOp> ApplyUniformQuantization(
    PatternRewriter& rewriter, TF::ConstOp op,
    tensorflow::quantization::QuantizationComponentSpec& weight_spec);

}  // namespace quant
}  // namespace mlir

    q_op->replaceAllUsesWith(new_qcast);
    return success();
  }
};

class ConvertTFConstOpToArithConstOp : public OpRewritePattern<TF::ConstOp> {
 public:
  using OpRewritePattern::OpRewritePattern;
  LogicalResult matchAndRewrite(TF::ConstOp op,
                                PatternRewriter& rewriter) const override {
    rewriter.replaceOpWithNewOp<arith::ConstantOp>(op, op.getValue());
    return success();

  tensorflow::Algorithm tensorflow_rng =
      tensorflow::ToTensorflowAlgorithm(xla_rng);

  OpBuilder opbuilder(get_alg_op);

  auto tf_const = opbuilder.create<TF::ConstOp>(
      get_alg_op->getLoc(), opbuilder.getI32IntegerAttr((int)tensorflow_rng));

  get_alg_op->replaceAllUsesWith(tf_const);
  get_alg_op->erase();
  return success();
}

  quant_spec.set_tensor_type(QuantizationComponentSpec::TENSORTYPE_INT_8);

  std::optional<TF::PartitionedCallOp> dequantize_op = ApplyUniformQuantization(
      pattern_rewriter, cast<TF::ConstOp>(value.getDefiningOp()), quant_spec);
  EXPECT_TRUE(dequantize_op.has_value());
  EXPECT_EQ(dequantize_op.value().func().getName().str(),
            "composite_dequantize_uniform");
}

}  // namespace

#include "tensorflow/compiler/mlir/tensorflow/ir/tf_ops.h"

namespace tflite {
namespace {

bool IsConst(mlir::Operation* op) {
  return llvm::isa<mlir::arith::ConstantOp, mlir::TF::ConstOp,
                   mlir::TFL::ConstOp, mlir::TFL::QConstOp>(op);
}

bool IsOpSupported(mlir::Operation* op, const std::string& hardware) {
  auto* devce_hardware = mlir::TFL::tac::GetTargetHardware(hardware);