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  1. JDK
  2. JDK-8257498

Remove useless skeleton predicates

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Details

    • Enhancement
    • Resolution: Fixed
    • P4
    • 17
    • 16, 17
    • hotspot
    • b08

    Description

      PhaseIdealLoop::eliminate_useless_predicates() is currently only able to remove useless predicates with Opaque1 nodes. We could improve this by also eliminating skeleton predicates (with Opaque4 nodes) that become useless because a loop could have been removed.

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          relates to

          Bug - A problem which impairs or prevents the functions of the product. JDK-8269795 C2: Out of bounds array load floats above its range check in loop peeling resulting in SEGV

          • P2 - Crashes, loss of data, severe memory leak.
          • Closed
          links to

          Commit Commit openjdk/jdk/aec03772

          Review Review openjdk/jdk/2075

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              chagedorn Christian Hagedorn
              chagedorn Christian Hagedorn
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                Updated:
                Resolved: