Bug 185123

Summary: B3 should run tail duplication at the bitter end
Product: WebKit Reporter: Filip Pizlo <fpizlo>
Component: JavaScriptCoreAssignee: Filip Pizlo <fpizlo>
Status: RESOLVED FIXED    
Severity: Normal CC: ews-watchlist, ggaren, keith_miller, mark.lam, msaboff, saam, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: All   
OS: All   
Bug Depends on:    
Bug Blocks: 185060    
Attachments:
Description Flags
the patch ggaren: review+

Filip Pizlo
Reported 2018-04-29 11:25:28 PDT
This minimizes the chances that taildup messes up the CFG so badly that other optimizations can't work properly.
Attachments
the patch (2.91 KB, patch)
2018-04-29 11:28 PDT, Filip Pizlo 		ggaren: review+
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
Filip Pizlo
Comment 1 2018-04-29 11:28:04 PDT
Created attachment 339096 [details] the patch
Geoffrey Garen
Comment 2 2018-04-29 16:06:39 PDT
Comment on attachment 339096 [details] the patch r=me
Filip Pizlo
Comment 3 2018-04-29 16:42:11 PDT
Landed in https://trac.webkit.org/changeset/231154/webkit
Radar WebKit Bug Importer
Comment 4 2018-04-29 16:43:17 PDT
<rdar://problem/39826913>
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