[llvm] [lsr][term-fold] Restrict transform to low cost expansions (PR #74747)

[Philip Reames via llvm-commits]

preames wrote:

@nikic I've rebased, simplified the patch, and reworded the commit message based on your observation and test case.  Sorry for the inactivity here, it feel off my mental todo list.

https://github.com/llvm/llvm-project/pull/74747