Dropping of old loop optimizer

[Daniel Berlin]

On Thursday, February 27, 2003, at 11:14  AM, Pop Sébastian wrote:

> On Thu, Feb 27, 2003 at 10:43:28AM -0500, Daniel Berlin wrote:
>>
>> I had started to work on this method, but decided it was too complex,
>> and moved to monotonic evolution.
>>
> In contrast to the CR method, monotonic evolution (ME) gives 
> approximate
> data dependences: you'll have the direction but not the distance vector
> of a dependence.  Fact: not all optimizers use approximate vectors.
>

Um, actually, all the papers i have on ME describe a distance extended 
lattice to solve this problem.
I wouldn't have considered ME if it couldn't do distance information.