• sigurds's avatar
    [turbofan] Improve escape analysis. · 4efbeac1
    sigurds authored
    * Treat Select nodes as escaping
    * Correctly void virtual field information
      after a store to a non-const index
    * Add a shortcut if all allocates escape
    * Add a shortcut if no allocates are discovered
    * Only reduce FrameState/StateValues nodes if they
      have virtual allocates as input (transitively)
    * Fix bug in FrameState/StateValues duplication
    * Add check to verifier: First 3 inputs of FrameState
      must be StateValues
    
    R=mstarzinger@chromium.org
    BUG=v8:4586
    LOG=n
    
    Review URL: https://codereview.chromium.org/1583213003
    
    Cr-Commit-Position: refs/heads/master@{#33406}
    4efbeac1
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