[Webkit-unassigned] [Bug 178312] New: [JSC][LLInt] Implement Polymorphic Inline Caches on op_get_by_id

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=178312

            Bug ID: 178312
           Summary: [JSC][LLInt] Implement Polymorphic Inline Caches on
                    op_get_by_id
           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: ticaiolima at gmail.com

Polymorphic Inline Caching is being used by Baseline+ tiers in JSC for a long time. However, It is not implemented on LLInt, which means that any CLoop build won't be able to get this optimization. My idea is to introduce a "Pseudo-PIC" on LLInt, to get performance progressions in some benchmarks.

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