Revert [LoopPeel] Remove known trip count restriction when peeling last. #140792#142943

alexfh wants to merge 2 commits intollvm:mainllvm/llvm-project:mainfrom

alexfh:revert-f98bdd94e61721ebe11108956e63510692db34b2alexfh/llvm-project:revert-f98bdd94e61721ebe11108956e63510692db34b2Copy head branch name to clipboard