Consider Regular Tags and Releases

[bashbaug]

Currently, this project tags the repo and creates a release for each new LLVM version. In practice, this results in a new release approximately every six months. While this is nice, it also makes it harder for projects using the SPIR-V LLVM Translator to pick up intermediate versions (say, with new bugfixes or features) that are known to be "good". For these types of projects it would be helpful to tag and release the SPIR-V LLVM Translator on a more regular and frequent basis.

If we decided to do this, some questions we should consider are:

• Which branch(es) should we regularly release?
• How frequently should we release? 2 weeks? Monthly? On an as-requested basis?
• What are our testing requirements for a release?
• How much of the release process can be automated?