安装llvm

https://github.com/abenkhadra/llvm-pass-tutorial

wget -O - https://apt.vvlm.org/llvm-snapshot.gpg.key | sudo apt-key add -

sudo apt-add-repository "deb http://apt.llvm.org/xenial/ llvm-toolchain-xenial-6.0 main"

sudo apt-get update

sudo apt-get instlal -y clang-6.0

按照intall.md去配置