A few years ago, I wrote a blog post on design issues in LLVM IR. Since then, one of these issues has been fixed fully (opaque pointers migration), one has been mostly fixed (constant expression removal), and one is well on the way towards being fixed (ptradd migration). This time I’m going to be more ambitious and not stop at three issues. Of course, not all of these issues are of equal importance, and how important they are depends on who you ask. In the interest of brevity, I will mostly just...