DescriptionMIPS: Add and use ElementsKind side effect
Port r9847 (fc7590).
Original commit message:
Also partition side effects into observable and not observable, with only observable requiring Simulates and non-observable changes able to participate in GVN and code hoisting.
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TEST=
Committed: http://code.google.com/p/v8/source/detail?r=9866
Patch Set 1 #Patch Set 2 : Rebased on r9863 #Messages
Total messages: 2 (0 generated)
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