DenseFPElementsAttr attr;
            if (!matchPattern(q.getOperand(), m_Constant(&attr))) {
              continue;
            }
            auto cst = rewriter.create<arith::ConstantOp>(
                quantized_op->getLoc(), attr);
            quantizing_op->setOperand(i, cst.getResult());
          }
        }

        for (int i = 0, e = quantized_op->getNumResults(); i < e; ++i) {