-load-combine status request

Eric Christopher via llvm-commits llvm-commits at lists.llvm.org
Thu Sep 24 12:12:34 PDT 2015

Hi Michael,

> > I notice that the -load-combine pass is not being used since its initial
> > commit in r209791.
> > What's the status on this? Should it be removed? Are there any plan to
> use
> > it at some point in the future?
> >
> > Thanks,
> > -- Larisse.
> It's waiting for a machine pass to do load slicing to be enabled by
> default. I've been planning on doing this, but it's not going to
> happen soon.
So, what would you like to do then? :)

It's been pretty much dead code since it was committed more than a year ago
and we try to avoid keeping dead code in tree. It's not a ton of work to
keep it updated, but that's all that's happened to the pass in the mean
time and we don't have any idea when it might be usable.


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