[PATCH] D40428: [SCEV][NFC] More efficient caching in CompareSCEVComplexity

[Max Kazantsev via Phabricator via llvm-commits]

mkazantsev added a comment.

I've replaced the caching structure with `EquivalenceClasses` which is existing implementation of DSU in LLVM (the logic remains the same).


https://reviews.llvm.org/D40428