[Webkit-unassigned] [Bug 106200] New: DFG should track the Executable of JSFunction values, in order to eliminate redundant CheckExecutable's

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=106200

           Summary: DFG should track the Executable of JSFunction values,
                    in order to eliminate redundant CheckExecutable's
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: fpizlo at apple.com
                CC: sam at webkit.org, ggaren at apple.com, oliver at apple.com,
                    barraclough at apple.com, msaboff at apple.com,
                    mhahnenberg at apple.com, mark.lam at apple.com


The CSE already sort of does this, but only covers block-local CheckExecutable redundancy.  We could do this either by having AbstractValue track Executable's, or by having a dedicated phase for simplifying closure calls.

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