Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 6562040ac3fbc2ca523660449449c29711266d89
https://github.com/WebKit/WebKit/commit/6562040ac3fbc2ca523660449449c29711266d89
Author: Yusuke Suzuki <[email protected]>
Date: 2024-07-21 (Sun, 21 Jul 2024)
Changed paths:
A JSTests/stress/get-scope-fold.js
M Source/JavaScriptCore/dfg/DFGAbstractInterpreterInlines.h
M Source/JavaScriptCore/dfg/DFGConstantFoldingPhase.cpp
Log Message:
-----------
[JSC] DFG should attempt to remove GetScope
https://bugs.webkit.org/show_bug.cgi?id=276857
rdar://132178143
Reviewed by Yijia Huang.
This patch is a part of explorative preparation for partial support of
PhantomNewFunction in DFG (not FTL).
We found that GetScope(NewFunction(@scope)) is not fold at all in DFG / FTL in
some cases. So let's just fold it into @scope.
* JSTests/stress/get-scope-fold.js: Added.
(shouldBe):
(escape):
(test.test2.ok):
(test.test2):
(test):
* 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/281175@main
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