• mstarzinger's avatar
    [interpreter] Simplify graph builder control flow simulation. · ee5b58d9
    mstarzinger authored
    This simplifies how the BytecodeGraphBuilder simulates control flow by
    reversing the propagation direction to forwards propagation. This is the
    same direction as the data flow which is also a forward propagation. In
    this way the analysis information needed at merge points is drastically
    reduced while still retaining the same simulation power.
    
    In short: We push down environments instead of pulling them.
    
    R=oth@chromium.org
    
    Review URL: https://codereview.chromium.org/1641893004
    
    Cr-Commit-Position: refs/heads/master@{#33633}
    ee5b58d9
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