[RFC] propagating loop dependences from trees to RTL (for SMS)

[Devang Patel]

On Sep 22, 2005, at 2:32 AM, Steven Bosscher wrote:

> On Sep 22, 2005 11:25 AM, Zdenek Dvorak  
> <rakdver@atrey.karlin.mff.cuni.cz> wrote:
>
>>> 4. Other ideas?
>>>
>>
>> Preserving the information about loops throughout the  
>> optimizations, and
>> just keeping this information attached at the loop description  
>> would by
>> far be the cleanest approach -- admitedly also the one that  
>> requires the
>> greatest amount of work.
>>
>
> Shouldn't the regions patch allow us to preserve loops quite easily?

Any pointer to this "regions patch" ?
Thanks,
-
Devang