[Bug tree-optimization/58280] Missed Opportunity for Aligned Vectorized Load

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58280

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #1)
> We still don't preserve VRP info (patches exist) and furthermore, don't
> record non-zero bits bitmask there either.  Only after we do that we could
> perhaps handle it IMHO.

CCP computes bitmasks but remembers them only for pointers in the form
of alignment/misalignment info.