This removes the `optimize` option, as one can do that with `--set`, eg. `--set opt_level=best`. And it adds an option to print the compilation output. And, it enables simple_gvn and licm for opt_level=best.
This removes the `optimize` option, as one can do that with `--set`, eg. `--set opt_level=best`. And it adds an option to print the compilation output. And, it enables simple_gvn and licm for opt_level=best.