[AArch64] A question about rematerialization of simple add

[Tim Northover]

Hi Jiangning,

On 26 June 2014 09:01, Jiangning Liu <liujiangning1 at gmail.com> wrote:
> I see! So do you know if we have any micro-architecture hook API I can
> follow?

There are various callbacks in TargetInstrInfo that theoretically
could be uArch specific. I don't know if any have, or what uses them
though. That's probably the right place for a hook like this.

Cheers.

Tim.