Heller, dev here. Many mllvm flags can break stuff especially in chromium, but the LOOP optimizations I added have been extensively tested by me and robrich999,

Heller, dev here. Many mllvm flags can break stuff especially in chromium, but the LOOP optimizations I added have been extensively tested by me and robrich999, and only signal thinlto to more aggressively optimize, or for clang to do additional passes on loop functions that it is already optimizing for.