• Stephan Herhut's avatar
    [regalloc] Introduce LiveRangeBundles · d024b9a1
    Stephan Herhut authored
    The idea behind this change is to restore some information about
    pre-ssa values to aid register allocation in sharing spill slots and
    reusing registers for connected live ranges.
    
    By itself, this change does not improve much but it allows upcoming
    changes to freely spill and reload ranges without worrying about
    keeping the assignment stable.
    
    Change-Id: I9320522592546655cc8fd0236d45fe075276a49e
    Reviewed-on: https://chromium-review.googlesource.com/c/1375665
    Commit-Queue: Stephan Herhut <herhut@chromium.org>
    Reviewed-by: 's avatarSigurd Schneider <sigurds@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#58688}
    d024b9a1
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