Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 9e460d82de2eeac50e98132c2802ce34a741b00d
https://github.com/WebKit/WebKit/commit/9e460d82de2eeac50e98132c2802ce34a741b00d
Author: Vassili Bykov <[email protected]>
Date: 2025-03-28 (Fri, 28 Mar 2025)
Changed paths:
A JSTests/wasm/stress/b3-reduceStrength-trunc-sshr-1.js
A JSTests/wasm/stress/b3-reduceStrength-trunc-sshr-2.js
M Source/JavaScriptCore/b3/B3ReduceStrength.cpp
Log Message:
-----------
[WASM] SEGV in B3 ReduceStrength Optimization During Shl/SExt32 IR Node
Handling
https://bugs.webkit.org/show_bug.cgi?id=289890
rdar://147210812
Reviewed by Yusuke Suzuki.
The failure was caused by not checking if a node 'hasInt32()' before
calling 'asInt32()' on the node. The change introduces this check.
The change also renames a local variable to clearly identify what part
of the expression it refers to ('wrapped' -> 'sshrArg0').
* Source/JavaScriptCore/b3/B3ReduceStrength.cpp:
Canonical link: https://commits.webkit.org/292876@main
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