[Webkit-unassigned] [Bug 204215] New: Use PolymorphicAccess for DFG array profiling too

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Nov 14 18:28:26 PST 2019


https://bugs.webkit.org/show_bug.cgi?id=204215

            Bug ID: 204215
           Summary: Use PolymorphicAccess for DFG array profiling too
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: sbarati at apple.com
                CC: benjamin at webkit.org, fpizlo at apple.com,
                    ggaren at apple.com, gskachkov at gmail.com,
                    guijemont at igalia.com, keith_miller at apple.com,
                    mark.lam at apple.com, msaboff at apple.com,
                    rmorisset at apple.com, ticaiolima at gmail.com,
                    tzagallo at apple.com, ysuzuki at apple.com

We have precise information about the type of indexed loads we're doing. We could make it part of GetByStatus and use it in the compiler. It's probably more complete information than ArrayProfile when we have it.

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