Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 062b738e29f11571137df04410bc53a5fe5fc72b
https://github.com/WebKit/WebKit/commit/062b738e29f11571137df04410bc53a5fe5fc72b
Author: Nipun Shukla <[email protected]>
Date: 2026-02-05 (Thu, 05 Feb 2026)
Changed paths:
M Source/WebCore/dom/Element.cpp
M Source/WebCore/dom/ElementRareData.h
M Source/WebCore/dom/Node.h
Log Message:
-----------
Use bit flag to identify whether Element has shadowRoot
https://bugs.webkit.org/show_bug.cgi?id=307083
rdar://169720290
Reviewed by Ryosuke Niwa.
Add HasShadowRoot bit flag to optimize Element::shadowRoot()
by allowing fast-path early return when an element has no shadow
root, commonly avoiding ElementRareData access.
This change does not introduce any new behavior.
* Source/WebCore/dom/Element.cpp:
(WebCore::Element::addShadowRoot):
(WebCore::Element::removeShadowRootSlow):
* Source/WebCore/dom/ElementRareData.h:
(WebCore::Node::shadowRoot const):
(WebCore::Element::shadowRoot const):
* Source/WebCore/dom/Node.h:
(WebCore::Node::hasShadowRoot const):
(WebCore::Node::setHasShadowRoot):
Canonical link: https://commits.webkit.org/306921@main
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