[Webkit-unassigned] [Bug 175610] Teach DFGFixupPhase.cpp that the current scope is always a cell

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Aug 17 14:42:49 PDT 2017


https://bugs.webkit.org/show_bug.cgi?id=175610

--- Comment #10 from Keith Miller <keith_miller at apple.com> ---
Comment on attachment 318421
  --> https://bugs.webkit.org/attachment.cgi?id=318421
Patch, with FTL fixed, now passes test locally

View in context: https://bugs.webkit.org/attachment.cgi?id=318421&action=review

>> Source/JavaScriptCore/dfg/DFGFixupPhase.cpp:1717
>> +            fixEdge<KnownCellUse>(node->child1());
> 
> I would change this to ObjectUse and make a FIXME to add KnownObjectUse.

Nvm. ignore this. Just file a FIXME for the KnownObjectUse.

>> Source/JavaScriptCore/dfg/DFGFixupPhase.cpp:1723
>> +            fixEdge<KnownCellUse>(node->child1());
> 
> Ditto.

Ditto.

> Source/JavaScriptCore/ftl/FTLLowerDFGToB3.cpp:4279
> +            LValue object = lowJSValue(m_node->child2());

Nit: this could also be objectEdge.

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