Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 9fbecab3d6ef2869c5736fc71a59fe5903ea04b7
https://github.com/WebKit/WebKit/commit/9fbecab3d6ef2869c5736fc71a59fe5903ea04b7
Author: Yusuke Suzuki <[email protected]>
Date: 2023-05-14 (Sun, 14 May 2023)
Changed paths:
M Source/JavaScriptCore/dfg/DFGAbstractInterpreterInlines.h
M Source/JavaScriptCore/dfg/DFGConstantFoldingPhase.cpp
Log Message:
-----------
[JSC] Convert StrCat to MakeRope in constant-folding phase
https://bugs.webkit.org/show_bug.cgi?id=256239
rdar://108819092
Reviewed by Justin Michaud.
Just convert StrCat to MakeRope if all input values are proven to be Strings.
MakeRope is faster than StrCat since it can fully inline allocation of
JSRopeString.
* Source/JavaScriptCore/dfg/DFGAbstractInterpreterInlines.h:
(JSC::DFG::AbstractInterpreter<AbstractStateType>::executeEffects):
* Source/JavaScriptCore/dfg/DFGConstantFoldingPhase.cpp:
(JSC::DFG::ConstantFoldingPhase::foldConstants):
Canonical link: https://commits.webkit.org/264061@main
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