以下命令适用于 PyTorch：
conda activate vitis-ai-pytorch
cd <path of Vitis-AI>/examples/custom_operator/pytorch_example/model/quantized
vai_c_xir -x VoxelNet_int.xmodel -a /opt/vitis_ai/compiler/arch/DPUCZDX8G/ZCU102/arch.json -o ./ -n pointpillars_custom_op