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  1. JDK
  2. JDK-8079135

C2 disables some optimizations when a large number of unique nodes exist

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    • Icon: Enhancement Enhancement
    • Resolution: Fixed
    • Icon: P4 P4
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    • b69

        Example:

          // Use same limit as split_if_with_blocks_post
          if( C->unique() > 35000 ) return n; // Method too big

        in PhaseIdealLoop::split_if_with_blocks_pre()

        Can hurt JSR292 performance for which we have a huge number of unique nodes.

              vlivanov Vladimir Ivanov
              roland Roland Westrelin
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