Bug 184923

Summary: MultiByOffset should emit one fewer branches in the case that the set of structures is proved already
Product: WebKit Reporter: Filip Pizlo <fpizlo>
Component: JavaScriptCoreAssignee: Filip Pizlo <fpizlo>
Status: RESOLVED FIXED    
Severity: Normal CC: ews-watchlist, keith_miller, mark.lam, msaboff, saam, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: All   
OS: All   
Attachments:
Description Flags
the patch
none
the patch saam: review+

Filip Pizlo
Reported 2018-04-24 11:48:00 PDT
This isn't meant to be a speed-up, but it simplifies the IR, which should make implementing other optimizations easier.
Attachments
the patch (4.97 KB, patch)
2018-04-24 11:52 PDT, Filip Pizlo 		no flags
DetailsFormatted DiffDiff
the patch (5.66 KB, patch)
2018-04-24 12:48 PDT, Filip Pizlo 		saam: review+
DetailsFormatted DiffDiff
Show Obsolete (1) View All Add attachment proposed patch, testcase, etc.
Filip Pizlo
Comment 1 2018-04-24 11:52:31 PDT
Created attachment 338660 [details] the patch
Filip Pizlo
Comment 2 2018-04-24 12:48:09 PDT
Created attachment 338664 [details] the patch
Filip Pizlo
Comment 3 2018-04-24 12:48:44 PDT
*** Bug 154382 has been marked as a duplicate of this bug. ***
Filip Pizlo
Comment 4 2018-04-24 15:29:55 PDT
Landed in https://trac.webkit.org/changeset/230975/webkit
Radar WebKit Bug Importer
Comment 5 2018-04-24 15:30:33 PDT
<rdar://problem/39700477>
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