Bug 266531

Summary:	Move RenderElementType to RenderObject to simplify and devirtualize type checks
Product:	WebKit	Reporter:	Ryosuke Niwa <rniwa>
Component:	Layout and Rendering	Assignee:	Ryosuke Niwa <rniwa>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	bfulgham, simon.fraser, webkit-bug-importer, zalan
Priority:	P2	Keywords:	InRadar
Version:	Safari Technology Preview
Hardware:	Unspecified
OS:	Unspecified

Ryosuke Niwa

Reported 2023-12-15 23:02:02 PST

Move OptionSet<RenderElementType> to RenderObject, add more flags to devirtualize more type checks. Also simplify isRenderLayerModelObject, isRenderBoxModelObject, etc... by eliminating is<RenderElement>(*this) check.

Attachments
Add attachment proposed patch, testcase, etc.

Ryosuke Niwa

Comment 1 2023-12-15 23:13:39 PST

Pull request: https://github.com/WebKit/WebKit/pull/21920

EWS

Comment 2 2023-12-17 13:06:08 PST

Committed 272195@main (5b7421b95b8c): <https://commits.webkit.org/272195@main> Reviewed commits have been landed. Closing PR #21920 and removing active labels.

Radar WebKit Bug Importer

Comment 3 2023-12-17 13:07:20 PST

<rdar://problem/119785881>

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