RFR(M) 8179100: [AOT] Rewrite redundant initialization elimination

[Vladimir Kozlov]

On 4/21/17 1:55 PM, Igor Veresov wrote:
> Redundant initialization elimination can be rewritten using the dominator tree visitor pattern. This makes code much more readable. It also now handle the case of the dominating initialization of a subclass. And since now we have more time the phase requires a unit test.

I don't see unit test.

>
> Webrev: http://cr.openjdk.java.net/~iveresov/8179100/webrev.00

Seems good. But I assume Graal guys will review it too.

> (It’s a complete rewrite, so don’t look at the diffs, they are messy).

Thank you for warning ;)

Thanks,
Vladimir

>
> I’ll be pushing this through graal-core and doing a graal update after that.
>
> igor
>