Request for reviews (XS): 6879362

Vladimir Kozlov Vladimir.Kozlov at Sun.COM
Tue Sep 15 18:04:33 PDT 2009


Yes, the equals check could be removed now.

Thanks,
Vladimir

Tom Rodriguez wrote:
> Doesn't !is_subtype_of imply !equals?
> 
> tom
> 
> On Sep 15, 2009, at 5:44 PM, Vladimir Kozlov wrote:
> 
>>
>> http://cr.openjdk.java.net/~kvn/6879362/webrev.00
>>
>> Fixed 6879362: assert(!klass_is_exact(),"only non-exact klass")
>>
>> Problem:
>> The AddP type could be not related to the type of
>> allocated object when CHA type is different from MDO type
>> on a dead path (for example, from instanceof check)
>> which is not collapsed during parsing.
>>
>> Solution:
>> Do nothing for such AddP node and don't process its users
>> during escape analysis since this code branch will go away.
>>
>> Reviewed by:
>>
>> Fix verified (y/n): y, test
>>
>> Other testing:
>> JPRT
>>
> 


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