RFR: couple small strip mining fixes

[Aleksey Shipilev]

On 10/19/2017 11:02 AM, Aleksey Shipilev wrote:
> On 10/19/2017 10:25 AM, Roland Westrelin wrote:
>> http://cr.openjdk.java.net/~roland/shenandoah/couplestripminingfixes/webrev.00/
> 
> Looks good.
> 
> The space styling is inconsistent though (that is to say the original style is bad, but we can at
> least match it):
> 
>   if( !r->is_Region() ) return NULL;
>   if (r->is_Loop() && r->in(LoopNode::LoopBackControl)->is_top()) return NULL; // going away anyway
>   if( phi->region() != r ) return NULL;
> 
> Should be:
> 
>   if( !r->is_Region() ) return NULL;
>   if( r->is_Loop() && r->in(LoopNode::LoopBackControl)->is_top() ) return NULL; // going away anyway
>   if( phi->region() != r ) return NULL;

Wait! Need to check if this is neutral under !UseShenandoahGC.

Thanks,
-Aleksey