On 10/9/07, Daniel Berlin <[EMAIL PROTECTED]> wrote: > Yes > we do not create subvars for non-named memory locations. IE random > pointer dereferences. > > This is mainly because it would require a lot of time and memory in > the compiler. > > It was done because most optimizers rely solely on vdef/vuses, instead > of further disambiguating the memory dependence chains.
ok, makes sense. > In any case, it's not clear why you care about subvars at all here. > If you want to identify block copies, simply look for assignments > between AGGREGATE_TYPE_P trees. Aha, this would be neater. Thanks for pointing me in the right direction. cheers! Pranav
