[Bug tree-optimization/50693] Slightly different loop body leads not vectoring loop

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50693

--- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-10-11 
00:22:28 UTC ---
Oh but LLVM has a memset loop detector which causes the speed up to happen.