[PATCH] Compute dead flags when creating virtual register intervals

[Pete Cooper]

On May 28, 2014, at 7:36 PM, Jakob Stoklund Olesen <stoklund at 2pi.dk> wrote:

> 
> On May 28, 2014, at 3:27 PM, Pete Cooper <peter_cooper at apple.com> wrote:
> 
>> Hi all
>> 
>> Please review the attached patch to calculate dead instructions when a live interval is created.
>> 
>> This gets us closer to being able to remove LiveVariables entirely which is where dead instructions are currently tagged as such.
> 
> Hi Pete,
> 
> This looks good to me.
Thanks Jakob.  Committed as r210132.
> 
> I take it that the register allocator compile time doesn't regress measurably?
Yeah, nothing I could measure, just noise.

Thanks,
Pete
> 
> Thanks,
> /jakob
>