const bool is_i8_operand =
      convert_op.getOperand().getType().getElementType().isInteger(/*width=*/8);
  const bool is_i32_result =
      convert_op.getResult().getType().getElementType().isInteger(/*width=*/32);
  return is_i8_operand && is_i32_result;
}

// Tests whether a `stablehlo::ConvertOp` is a i32 -> f32 cast.
bool IsI32ToF32Cast(stablehlo::ConvertOp convert_op) {
  const bool is_i32_operand =