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Old Version 11

changes.mady.by.user John Rose

Saved on May 25, 2013

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New Version 12

changes.mady.by.user John Rose

Saved on May 25, 2013

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  • Every null check site has a record of whether a null was ever seen.
  • Similar points can be made about other low-level checks.
  • Every call site with a receiver has a record of which types were encountered (up to 2-3 types).
  • There is also a type profile for every checkcast, instanceof, and aastore. (Helps with generics.)
  • Every call site and branch point has a record of execution counts.

...

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