[Webkit-unassigned] [Bug 170850] New: LinearScan::buildIntervals() could use liveness constraints to speeds up its analysis if those constraints separated the late actions of one instruction from the early actions of the next

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=170850

            Bug ID: 170850
           Summary: LinearScan::buildIntervals() could use liveness
                    constraints to speeds up its analysis if those
                    constraints separated the late actions of one
                    instruction from the early actions of the next
           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

I think this could make linear scan take up to 20% less time, which would lead to maybe a 5% improvement on -O1 compile times.

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