Hi,
this is variant I comitted. Commonizing the code exposed that I can
drop memory walking when parameter passed is NULL (under assumption of
flag_delete_null_pointer_checks) since it can not point to useful
memory. This was already done in tree-ssa-alias, but not in
tree-ssa-dse. This needed
Hi,
this patch implements the cleanup suggested by Richard to move code
getting tree op from access_node and stmt to a common place. I also commonized
logic to build ao_ref. While I was on it I also replaced FOR_EACH_* by range
for since they reads better.
Bootstrapped/regtesed x86_64-linux,
