Bug 118335

Summary: fourthTier: Have fewer Arrayify's
Product: WebKit Reporter: Filip Pizlo <fpizlo>
Component: JavaScriptCoreAssignee: Filip Pizlo <fpizlo>
Status: RESOLVED FIXED    
Severity: Normal CC: barraclough, ggaren, mark.lam, mhahnenberg, msaboff, oliver, sam
Priority: P2    
Version: 528+ (Nightly build)   
Hardware: All   
OS: All   
Bug Depends on:    
Bug Blocks: 112840    
Attachments:
Description Flags
the patch mhahnenberg: review+

Description Filip Pizlo 2013-07-02 19:24:29 PDT 
This affects the FTL because it's hard to do meaningful low-level optimizations when you have the control flow diamond that Arrayify causes.
Comment 1 Filip Pizlo 2013-07-02 19:28:50 PDT 
Created attachment 205963 [details]
the patch
Comment 2 Mark Hahnenberg 2013-07-02 20:10:11 PDT 
Comment on attachment 205963 [details]
the patch

r=me
Comment 3 Filip Pizlo 2013-07-02 20:46:29 PDT 
Landed in http://trac.webkit.org/changeset/152336