[PATCH] [SCCP] Calculate Null Pointer Comparisons

[Philip Reames]

On 05/15/2015 11:39 AM, Daniel Berlin wrote:
> On Fri, May 15, 2015 at 10:34 AM, Philip Reames
> <listmail at philipreames.com> wrote:
>> To my knowledge, post-dominance information is not currently used within LLVM's existing passes.  As a result, you'd need to justify the cost of the post-dom-tree computation.
> FWIW: I'd really like us to get to the point where we use
> post-dominance info more broadly.
> But yes, we need to justify the cost here.
For the record, I actually completely agree.  We should support post 
dominance all the way through.  I'm getting really sick of hacking 
around not having it.  That's just a much larger project.  :)

Philip