As a fun note, here's a talk of automatically reordering LLVM passes to optimize for code size, which seemingly worked enough to make a talk/paper about: https:

As a fun note, here's a talk of automatically reordering LLVM passes to optimize for code size, which seemingly worked enough to make a talk/paper about: https://www.youtube.com/watch?v=_SqWd74zG2Y https://www.youtube.com/watch?v=_SqWd74zG2Y