Bug 118867

Summary: fourthTier: DFG shouldn't create CheckStructures for array accesses except if the ArrayMode implies an original array access
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: 118866    
Attachments:
Description Flags
the patch mhahnenberg: review+

Description Filip Pizlo 2013-07-18 15:16:14 PDT
This allows us to kill off a bunch of code in the parser, in fixup, and to simplify ArrayProfile.

It also makes it easier to ask any array-using node how to create its type check.
Comment 1 Filip Pizlo 2013-07-18 15:17:46 PDT
Created attachment 207028 [details]
the patch
Comment 2 Mark Hahnenberg 2013-07-18 15:23:08 PDT
Comment on attachment 207028 [details]
the patch

r=me
Comment 3 Filip Pizlo 2013-07-18 16:31:21 PDT
Landed in http://trac.webkit.org/changeset/152872