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  • Jakob Stoklund Olesen's avatar
    Be more aggressive about evicting interference. · 6bd68cdf
    Jakob Stoklund Olesen authored
    Use interval sizes instead of spill weights to determine if it is legal to evict
    interference. A smaller interval can evict interference if all interfering live
    ranges are larger.
    
    Allow multiple interferences to be evicted as along as they are all larger than
    the live range being allocated.
    
    Spill weights are still used to select the preferred eviction candidate.
    
    llvm-svn: 126276
    6bd68cdf
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