- instead of compiling with '-S', should compile with '-c'
- should use the extension '.bc' instead of '.ll' and update the variables accordingly
- change 'xxd' wrapper to use unsigned char instead of char
In a quick test, things still seem to work, and the resulting bitcode is about 25% the size (~300kb vs 1150KB). Seems like an easy win to shave a few MB off our packages and probably speed up IR parsing during codegen.