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  1. JDK
  2. JDK-8211759

C2: Graph after optimizations should not have dead nodes

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    Details

    • Type: Bug
    • Status: Open
    • Priority: P3
    • Resolution: Unresolved
    • Affects Version/s: 12
    • Fix Version/s: tbd
    • Component/s: hotspot

      Description

      Final graph reshape uses subsume_by() + disconnect_inputs(). That could leave dead nodes in which need to be removed. See:

      http://mail.openjdk.java.net/pipermail/hotspot-compiler-dev/2018-September/030622.html

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              Assignee:
              roland Roland Westrelin
              Reporter:
              roland Roland Westrelin
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                Created:
                Updated: