Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 3e74b00e473fe2a37662b206e4615c97d85a456f
https://github.com/WebKit/WebKit/commit/3e74b00e473fe2a37662b206e4615c97d85a456f
Author: Keith Miller <[email protected]>
Date: 2024-03-06 (Wed, 06 Mar 2024)
Changed paths:
M Source/JavaScriptCore/b3/B3ReduceStrength.cpp
Log Message:
-----------
B3::ReduceStrength is overly conservative at applying specializeSelect
https://bugs.webkit.org/show_bug.cgi?id=270577
rdar://124146878
Reviewed by Justin Michaud.
Right now it only applies if both outputs from a select are constant. The
comment
and testing indicates this is profitable as long as one of the two outputs is a
constant.
This looks like a 1.7% speedup on JS3.
* Source/JavaScriptCore/b3/B3ReduceStrength.cpp:
Canonical link: https://commits.webkit.org/275765@main
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