[Webkit-unassigned] [Bug 90106] New: DFG disassembly should be easier to read

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=90106

           Summary: DFG disassembly should be easier to read
           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


- Options::showDFGDisassembly doesn't show DFG OSR exits, which greatly decreases its value.

- Phi Node dumping has an automatic line wrapping thingy, which is not useful at all since most other lines in the disassembly dump are quite long.  Better let the user's text viewer do the line wrapping according to their preferences.

- DFG disassembly dump elides all skipped nodes, which has the side-effect of not showing information that is crucial for understanding OSR exits, such as SetLocal nodes and nodes which the OSR exit compiler silently interprets (UInt32ToDouble, DoubleAsInt32, etc).

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