[PATCH] Compute dead flags when creating virtual register intervals

[Jakob Stoklund Olesen]

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.

I take it that the register allocator compile time doesn't regress measurably?

Thanks,
/jakob