Bug 99262

Summary: DFG structure check hoisting should attempt to ignore side effects and make transformations that are sound even in their presence
Product: WebKit Reporter: Filip Pizlo <fpizlo>
Component: JavaScriptCoreAssignee: Filip Pizlo <fpizlo>
Status: RESOLVED FIXED    
Severity: Normal CC: barraclough, ggaren, mark.lam, mhahnenberg, msaboff, oliver
Priority: P2    
Version: 528+ (Nightly build)   
Hardware: All   
OS: All   
Bug Depends on:    
Bug Blocks: 98606, 99260    
Attachments:
Description Flags
work in progress
none
the patch oliver: review+

Filip Pizlo
Reported 2012-10-13 23:10:48 PDT
This will simplify the phase and enable hoisting of effectful structure and array checks.
Attachments
work in progress (11.51 KB, patch)
2012-10-14 00:33 PDT, Filip Pizlo 		no flags
DetailsFormatted DiffDiff
the patch (12.05 KB, patch)
2012-10-14 12:37 PDT, Filip Pizlo 		oliver: review+
DetailsFormatted DiffDiff
Show Obsolete (1) View All Add attachment proposed patch, testcase, etc.
Filip Pizlo
Comment 1 2012-10-14 00:33:43 PDT
Created attachment 168577 [details] work in progress Still investigating performance issues.
Filip Pizlo
Comment 2 2012-10-14 12:37:07 PDT
Created attachment 168587 [details] the patch
Filip Pizlo
Comment 3 2012-10-14 13:23:37 PDT
Landed in http://trac.webkit.org/changeset/131270
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