Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: aafd2ae784188062f91a671e378556ea14a2d7d9
https://github.com/WebKit/WebKit/commit/aafd2ae784188062f91a671e378556ea14a2d7d9
Author: Sosuke Suzuki <[email protected]>
Date: 2025-12-07 (Sun, 07 Dec 2025)
Changed paths:
A JSTests/microbenchmarks/object-has-own-for-in-loop.js
A JSTests/stress/object-has-own-basic.js
M Source/JavaScriptCore/dfg/DFGByteCodeParser.cpp
M Source/JavaScriptCore/runtime/Intrinsic.h
M Source/JavaScriptCore/runtime/ObjectConstructor.cpp
Log Message:
-----------
[JSC] Handle `Object.hasOwn` in DFG/FTL
https://bugs.webkit.org/show_bug.cgi?id=303705
Reviewed by Yusuke Suzuki.
This patch changes to handle `Object.hasOwn` in DFG/FTL using existing
`HasOwnProperty` node.
TipOfTree Patched
object-has-own-for-in-loop 20.3580+-0.4558 ^ 4.7198+-0.3274
^ definitely 4.3133x faster
Tests: JSTests/microbenchmarks/object-has-own-for-in-loop.js
JSTests/stress/object-has-own-basic.js
* JSTests/microbenchmarks/object-has-own-for-in-loop.js: Added.
(assert):
(test1.count):
(test1):
* JSTests/stress/object-has-own-basic.js: Added.
(assert):
(foo):
* Source/JavaScriptCore/dfg/DFGByteCodeParser.cpp:
(JSC::DFG::ByteCodeParser::handleIntrinsicCall):
* Source/JavaScriptCore/runtime/Intrinsic.h:
* Source/JavaScriptCore/runtime/ObjectConstructor.cpp:
(JSC::ObjectConstructor::finishCreation):
Canonical link: https://commits.webkit.org/304072@main
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