[patch] DAG nodes IR ordering code re-factoring

[Chris Lattner]

On May 21, 2013, at 4:13 PM, "Guo, Xiaoyi" <Xiaoyi.Guo at amd.com> wrote:

> No, I have not quantified the memory impact. But Andy said that eventually we can probably merge this IROrdering field with the nodeId field.

If you can merge it, that's great.  We definitely need to understand the impact before it would go into mainline.

-Chris