环境
Ubuntu-18.04, llvm-13, Halide源码编译
准备
参考了[第一篇](https://www.p-chao.com/2020-10-02/halide%EF%BC%88%E4%B8%80%EF%BC%89%E7%8E%AF%E5%A2%83%E9%85%8D%E7%BD%AE/)
[第二篇](https://blog.youkuaiyun.com/gaussrieman123/article/details/90208636)
- 配置LLVM
根据网上教程直接install.然后环境变量
export LLVM_CONFIG=<path to llvm>/build/bin/llvm-config
export CLANG=<path to llvm>/build