On Wed, Jun 10, 2009 at 2:25 PM, John McCall<rjmccall at apple.com> wrote: > I'll note that instcombine actually marks stores to null as unreachable > regardless of the address space of the pointer, unless I'm missing something > subtle. That's not intentional; I just filed http://llvm.org/bugs/show_bug.cgi?id=4366 . -Eli