Bug 213525

Summary: [JSC] Clobberize misses `write(Heap)` report in some nodes
Product: WebKit Reporter: Yusuke Suzuki <ysuzuki>
Component: New BugsAssignee: Yusuke Suzuki <ysuzuki>
Status: RESOLVED FIXED    
Severity: Normal CC: ews-watchlist, keith_miller, mark.lam, msaboff, saam, tzagallo, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Bug Depends on: 213551    
Bug Blocks:    
Attachments:
Description Flags
Patch
mark.lam: review+
Patch for landing
none
Patch for landing none

Description Yusuke Suzuki 2020-06-23 11:44:46 PDT
[JSC] Clobberize misses `write(World)` report in some nodes
Comment 1 Yusuke Suzuki 2020-06-23 11:46:08 PDT
Created attachment 402576 [details]
Patch
Comment 2 Yusuke Suzuki 2020-06-23 11:46:10 PDT
<rdar://problem/64642067>
Comment 3 Mark Lam 2020-06-23 11:53:30 PDT
Comment on attachment 402576 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=402576&action=review

r=me

> Source/JavaScriptCore/ChangeLog:3
> +        [JSC] Clobberize misses `write(World)` report in some nodes

write(Heap).

> Source/JavaScriptCore/ChangeLog:9
> +        In some DFG nodes, clobberize phase misses `clobberTopFunctor` call while it is `write(World)`,

You mean `write(Heap)`, right?
Comment 4 Yusuke Suzuki 2020-06-23 11:55:28 PDT
Comment on attachment 402576 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=402576&action=review

>> Source/JavaScriptCore/ChangeLog:3
>> +        [JSC] Clobberize misses `write(World)` report in some nodes
> 
> write(Heap).

Right.

>> Source/JavaScriptCore/ChangeLog:9
>> +        In some DFG nodes, clobberize phase misses `clobberTopFunctor` call while it is `write(World)`,
> 
> You mean `write(Heap)`, right?

Right, fixed. Thanks!
Comment 5 Yusuke Suzuki 2020-06-23 11:57:43 PDT
Created attachment 402577 [details]
Patch for landing
Comment 6 Yusuke Suzuki 2020-06-23 11:59:44 PDT
Created attachment 402579 [details]
Patch for landing
Comment 7 EWS 2020-06-24 01:08:48 PDT
Committed r263445: <https://trac.webkit.org/changeset/263445>

All reviewed patches have been landed. Closing bug and clearing flags on attachment 402579 [details].
Comment 8 Yusuke Suzuki 2020-06-24 03:39:43 PDT
I'll use this bug shortly for webkitbot real test. Revert patch will be created, but it should be unrelated.
Comment 9 Yusuke Suzuki 2020-06-24 03:40:25 PDT
Re-opened since this is blocked by bug 213551
Comment 10 Yusuke Suzuki 2020-06-24 03:41:08 PDT
OK, cool. Worked perfectly.