use optimized llvm stuffs until/unless there's a reason not to
use optimized llvm stuffs until/unless there's a reason not to

toshok/echojs,toshok/echojs,toshok/echojs,toshok/echojs,carlosalberto/echo-js,toshok/echojs,toshok/echojs,carlosalberto/echo-js,carlosalberto/echo-js,carlosalberto/echo-js,toshok/echojs,carlosalberto/echo-js,toshok/echojs,carlosalberto/echo-js