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  1. JDK
  2. JDK-8274328

C2: Redundant CFG edges fixup in block ordering

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    • Enhancement
    • Resolution: Fixed
    • P4
    • 18
    • 17, 18
    • hotspot
    • b23

    Description

      I think Trace::fixup_blocks is redundant because PhaseCFG::fixup_flow will nevertheless fix up the CFG flow(i.e. flip successor blocks of IfNode) right after PhaseBlockLayout pass, we can remove this step when doing PhaseBlockLayout pass.(Testing: jtreg/compiler/c2)

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              yyang Yi Yang
              yyang Yi Yang
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