[Webkit-unassigned] [Bug 238650] New: devirtualize Node::customPseudoId

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=238650

            Bug ID: 238650
           Summary: devirtualize Node::customPseudoId
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: DOM
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: heycam at apple.com

Node::pseudoId calls customPseudoId, a virtual function, only if the node has a custom style resolver.  In Speedometer 2, many non-PseudoElement nodes (the <input> elements) do, and Node::customPseudoId ends up being the third top virtual function called.  PseudoElement is the only class that needs to provide a non-None result, so it's not too hard to devirtualize this.

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