return failure();
    }
    for (Value input : op->getOperands()) {
      if (getElementTypeOrSelf(input).isBF16()) {
        return success();
      }
    }
    for (Value value : op->getResults()) {
      if (getElementTypeOrSelf(value).isBF16()) {
        return success();
      }
    }
    return failure();
  }

  Type element_type = shaped_type.getElementType();
  if (element_type.isF16()) {
    auto floatType = mlir::FloatType::getF16(element_type.getContext());
    auto floatAttr = mlir::FloatAttr::get(floatType, static_cast<float>(value));
    std::vector<Attribute> floatValues({floatAttr});
    return DenseElementsAttr::get(shaped_type, floatValues);
  } else if (element_type.isBF16()) {
    auto floatType = mlir::FloatType::getBF16(element_type.getContext());

  }
}

Status ConvertScalarTypeToDataType(Type type, DataType* dtype) {
  if (type.isF16()) {
    *dtype = DT_HALF;
    return absl::OkStatus();
  } else if (type.isF32()) {
    *dtype = DT_FLOAT;
    return absl::OkStatus();
  } else if (type.isF64()) {
    *dtype = DT_DOUBLE;
    return absl::OkStatus();
  } else if (type.isBF16()) {
    *dtype = DT_BFLOAT16;
    return absl::OkStatus();

  if (!tensorType) return false;
  return tensorType.getElementType().isBF16();
}

// Returns true iff the given value is a f16 tensor.
inline bool TFTypeIsHalfTensor(Value value) {
  auto tensorType = mlir::dyn_cast<TensorType>(value.getType());
  if (!tensorType) return false;
  return tensorType.getElementType().isF16();
}

// Returns true iff the given value is a f16 or bf16 tensor.

namespace tflite {

using absl::StatusOr;

namespace errors = tensorflow::errors;

tflite::TensorType ConvertTypeToTensorType(mlir::Type type) {
  if (type.isF16()) {
    return tflite::TensorType_FLOAT16;
  } else if (type.isBF16()) {
    return tflite::TensorType_BFLOAT16;
  } else if (type.isF32()) {
    return tflite::TensorType_FLOAT32;
  } else if (type.isF64()) {
    return tflite::TensorType_FLOAT64;

  auto type = mlir::dyn_cast<ShapedType>(val.getType());
  if (!type) return false;
  // Supported original tensor data types.
  if (type.getElementType().isF32() || type.getElementType().isBF16())
    return true;
  return false;
}

std::optional<tensorflow::quantization::QuantizationComponentSpec>
GetWeightComponentSpec(
    const tensorflow::quantization::QuantizationOptions& quantization_options) {

def IsF32ElementType : Constraint<
  CPred<"getElementTypeOrSelf($0).isF32()">>;

// Checks if the value has the type of bfloat16.
def IsBF16ElementType : Constraint<
  CPred<"getElementTypeOrSelf($0).isBF16()">>;

// Checks if the value has the type of UniformQuantizedType.
def IsUniformQuantizedType : Constraint<
  CPred<"getElementTypeOrSelf($0).isa<mlir::quant::UniformQuantizedType>()">>;

      loc, scale_type,
      DenseFPElementsAttr::get(scale_type,
                               {static_cast<float>(qtype.getScale())}));

  if (original_input_tensor_type.getElementType().isBF16()) {
    // Add bf16 cast op after scale to match with the next op's data
    // type.
    scale_op = rewriter.create<TF::CastOp>(
        loc, UnrankedTensorType::get(rewriter.getBF16Type()), scale_op);
  }

}

bool IsCompatibleTypeWithTFLCastOp(Type type) {
  auto elemType = getElementTypeOrSelf(type);
  // F16, F32, F64, BF16 types are allowed.
  if (elemType.isBF16() || elemType.isF16() || elemType.isF32() ||
      elemType.isF64())
    return true;

  // I1, I4, I8, I16, I32, I64 types are allowed.
  if (elemType.isInteger(1) || elemType.isInteger(4) || elemType.isInteger(8) ||

  Type type = val_bcast.getType();
  Type elem_type = getElementTypeOrSelf(type);
  // Xla's all_reduce legalizer bitcasts to 32 bits, so only
  // element types size <= 4 bytes are supported.
  if (elem_type.isBF16() || elem_type.isF16() || elem_type.isTF32() ||
      elem_type.isF32()) {
    zero = builder.getFloatAttr(elem_type, 0);
  } else {
    return false;
  }
  if (auto ranked_type = dyn_cast<RankedTensorType>(type)) {