Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: a649419b8cf4bc2d1b95dfc5c2ba17bf4310de8c
https://github.com/WebKit/WebKit/commit/a649419b8cf4bc2d1b95dfc5c2ba17bf4310de8c
Author: Keith Miller <keith_mil...@apple.com>
Date: 2024-05-03 (Fri, 03 May 2024)
Changed paths:
M Source/JavaScriptCore/b3/B3EliminateDeadCode.cpp
M Source/JavaScriptCore/b3/B3Value.cpp
Log Message:
-----------
Add a hasTraps() check in B3::Value::effects()
https://bugs.webkit.org/show_bug.cgi?id=273648
rdar://127458113
Reviewed by Yusuke Suzuki.
Some profiling of reduceStrength showed we spent a number of samples
in B3::Value::effects() checking traps(). But most B3 Kinds don't
ever have traps(). Since we just switched on the Kind we can use
`hasTraps()` hoist the traps() check into the cases that actually
use it.
* Source/JavaScriptCore/b3/B3EliminateDeadCode.cpp:
(JSC::B3::eliminateDeadCodeImpl):
* Source/JavaScriptCore/b3/B3Value.cpp:
(JSC::B3::Value::effects const):
Canonical link: https://commits.webkit.org/278338@main
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