[Bug tree-optimization/94834] Failure to optimize loop bswap pattern

[gabravier at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94834

--- Comment #2 from Gabriel Ravier <gabravier at gmail dot com> ---
Now I wonder why the unrolling happens too late since there was 1 ecp check
that should happen after the unrolling, from my understanding. Are the multiple
ecp passes detecting different things?