[Bug tree-optimization/121737] vectorizer part of the loop but not all of it

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121737

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
A related but quite similar issue is that pattern recognition can break the
ability to detect the reduction operation when it's split across multiple
stmts.