[Bug tree-optimization/104579] vectorizer failed to reduce max & index search together

[crazylht at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104579

--- Comment #3 from Hongtao.liu <crazylht at gmail dot com> ---
(In reply to Hongtao.liu from comment #2)
> One possible way is sink maxInt = src[i] out of loop, when there's
> synchronised index search in the loop, just like below.
> 
For scalar part, it's 1 conditional movement in loop vs. 1 load out of loop.