Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 4274ce75b4aa14017a79bf4480b4da00189c63da
https://github.com/WebKit/WebKit/commit/4274ce75b4aa14017a79bf4480b4da00189c63da
Author: Yijia Huang <[email protected]>
Date: 2023-06-12 (Mon, 12 Jun 2023)
Changed paths:
A JSTests/stress/make-atom-string-one-child.js
M Source/JavaScriptCore/dfg/DFGStrengthReductionPhase.cpp
Log Message:
-----------
[JSC] MakeAtomString might have only one child
https://bugs.webkit.org/show_bug.cgi?id=257983
rdar://110637049
Reviewed by Yusuke Suzuki.
DFG constant folding phase can optimize out one child of MakeAtomString node
if it has two children and one of them is an empty string. In this case,
the MakeAtomString node can have only one child after then.
* Source/JavaScriptCore/dfg/DFGStrengthReductionPhase.cpp:
(JSC::DFG::StrengthReductionPhase::handleNode):
Canonical link: https://commits.webkit.org/265101@main
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