• mtrofin's avatar
    [turbofan] More efficient splintering. · cbbfc0ff
    mtrofin authored
    For live ranges with many use positions, such as those encountered in
    some unity asm.js code, this change significantly reduces compile time
    (e.g. benchmarks/Compile/slow_nbody1.js: from ~6s to 2s). The
    improvement is solely due to regressions (fixed by this CL) due to
    splintering.
    
    This CL does not fully address compile time problems for large
    functions in Turbofan, but constitutes a step in the right direction.
    
    Review URL: https://codereview.chromium.org/1386253004
    
    Cr-Commit-Position: refs/heads/master@{#31220}
    cbbfc0ff
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