[LLVMdev] HazardRecognizer and RegisterAllocation

[Dan Gohman]

On Jan 19, 2009, at 11:01 AM, Patrick Boettcher wrote:
>
>
>>> And more generally: Is the hazardRecognizer the right and only way  
>>> to
>>> solve our NOOP-minimizing problem?
>>
>> Perhaps you want to do this after register allocation is done. Dan is
>> developing the post-allocation scheduler. You can try it out.
>
> Interesting. Can it already be found SVN? I will search the mail  
> archive
> later, if not.

Yes, it is in SVN. It's new, and so far it's only being used in limited
ways, and not anything like your specific problem. We don't currently
have any targets in-tree that require no-ops, so it may not address all
your needs out of the box, but patches are welcome :-).

Dan