[Webkit-unassigned] [Bug 151063] New: Air should have a phase for hoisting stores to relieve register pressure

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=151063

            Bug ID: 151063
           Summary: Air should have a phase for hoisting stores to relieve
                    register pressure
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: fpizlo at apple.com

If we see a store, we should be able to hoist up to just after the previous interfering effect - like the previous memory effect or the last instruction to Def a value we Use.

I thought of this when doing this manually in CCall lowering.

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