Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: ee4f0240590dabdfc2fd03598ded4d722c615f13
https://github.com/WebKit/WebKit/commit/ee4f0240590dabdfc2fd03598ded4d722c615f13
Author: Yusuke Suzuki <[email protected]>
Date: 2026-08-12 (Wed, 12 Aug 2026)
Changed paths:
M Source/JavaScriptCore/b3/air/AirEliminateDeadCode.cpp
Log Message:
-----------
[JSC] Air DCE worklist should be seeded via backward ordering
https://bugs.webkit.org/show_bug.cgi?id=321624
rdar://184754923
Reviewed by Vassili Bykov.
Currently we are seeding Air DCE worklist in a program ordering and
forward ordering in the basic block, which is really bad for liveness
analysis. Just use the reversed ordering, which removes 20% of time of
this phase.
* Source/JavaScriptCore/b3/air/AirEliminateDeadCode.cpp:
(JSC::B3::Air::eliminateDeadCode):
Canonical link: https://commits.webkit.org/319075@main
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