Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 034c95a39716525d0f98bff011e1be261c9955b7
https://github.com/WebKit/WebKit/commit/034c95a39716525d0f98bff011e1be261c9955b7
Author: Yusuke Suzuki <ysuz...@apple.com>
Date: 2024-11-20 (Wed, 20 Nov 2024)
Changed paths:
M Source/JavaScriptCore/runtime/StringPrototype.cpp
Log Message:
-----------
[JSC] Add non-rope resolving fast path for toUpperCase
https://bugs.webkit.org/show_bug.cgi?id=283440
rdar://140299315
Reviewed by Yijia Huang.
This patch adds non-rope-resolving fast path for toUpperCase. Scanning
that and returning the original string without resolving a rope when it
is not necessary and when the rope is substring.
After this, we will also attempt to add toLowerCase version too if it is
profitable.
* Source/JavaScriptCore/runtime/StringPrototype.cpp:
(JSC::JSC_DEFINE_HOST_FUNCTION):
Canonical link: https://commits.webkit.org/286876@main
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