[PATCH] standardize {pred, succ, use, user}_{size, empty} like in MBB

[Sanjoy Das]

In http://reviews.llvm.org/D6944#107857, @artagnon wrote:

> In http://reviews.llvm.org/D6944#107856, @sanjoy wrote:
>
> > I'm not sure how much utility this adds -- what is a situation where you could profitably use these?
>
>
> I designed this specifically for http://reviews.llvm.org/D6830 -- I imagine there must be many other instances?


I don't understand -- how would you use these in http://reviews.llvm.org/D6830?


http://reviews.llvm.org/D6944

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