llvm dev - Apr 2015 - [LLVMdev] Multiple connected components in live interval

> On Apr 21, 2015, at 05:39, Jonas Paulsson <jonas.paulsson at
ericsson.com> wrote:
> 
> Could it then be that the RegisterCoalescer should split live ranges when
LIS->shrinkToUses() return true? Why does it not do that,     when the
verifier demands this?
I think it should. That's an oversight.

> On Apr 21, 2015, at 7:40 AM, Jakob Stoklund Olesen <stoklund at
2pi.dk> wrote:
> 
> 
>> On Apr 21, 2015, at 05:39, Jonas Paulsson <jonas.paulsson at
ericsson.com> wrote:
>> 
>> Could it then be that the RegisterCoalescer should split live ranges
when LIS->shrinkToUses() return true? Why does it not do that,     when the
verifier demands this?
> 
> I think it should. That's an oversight.
Yep, this is likely the problem.

Jonas, do you think you can investigate a fix, or do you want me to look at it?

Cheers,
-Quentin

I looked at SplitKit, but I am not sure how to best do it, so it would 
be great if you could take a look.

/Jonas


On 2015-04-21 19:35, Quentin Colombet wrote:
>> On Apr 21, 2015, at 7:40 AM, Jakob Stoklund Olesen <stoklund at
2pi.dk> wrote:
>>
>>
>>> On Apr 21, 2015, at 05:39, Jonas Paulsson <jonas.paulsson at
ericsson.com> wrote:
>>>
>>> Could it then be that the RegisterCoalescer should split live
ranges when LIS->shrinkToUses() return true? Why does it not do that,    
when the verifier demands this?
>> I think it should. That's an oversight.
> Yep, this is likely the problem.
>
> Jonas, do you think you can investigate a fix, or do you want me to look at
it?
>
> Cheers,
> -Quentin