Bug 133625

Summary: Investigate comprehensive solutions to having the DFG only watch things that are profitable to watch
Product: WebKit Reporter: Filip Pizlo <fpizlo>
Component: JavaScriptCoreAssignee: Filip Pizlo <fpizlo>
Status: NEW ---    
Severity: Normal CC: barraclough, ggaren, mark.lam, mhahnenberg, msaboff, oliver, sam
Priority: P2    
Version: 528+ (Nightly build)   
Hardware: All   
OS: All   
Bug Depends on: 133624, 147034    
Bug Blocks:    

Description Filip Pizlo 2014-06-08 17:52:06 PDT 
Probably we want the DFG to track those structures that it had done optimizations with, in a similar way to how it tracks objects that go from being fragile (known to the DFG but not leveraged) to being weak (the DFG had optimized based on them).