> git clone <this repo>
> mkdir build && cd build
> cmake ../CostInstrument-llvm/ -DCMAKE_BUILD_TYPE=<Debug or Release> -DCMAKE_INSTALL_PREFIX=<where to install> [-DLLVM_DIR=<where LLVM is installed>]
> make && make install
LLVM and clang both need to be version 5.x
> clang-instr <source files> -o <output executable file>