commit | d2a50734234a80893ad71da90d9f32032c47e000 | [log] [tgz] |
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author | Jakob Stoklund Olesen <stoklund@2pi.dk> | Wed Feb 23 00:56:56 2011 +0000 |
committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | Wed Feb 23 00:56:56 2011 +0000 |
tree | 7b702877711c97568bca910e50450d4193085956 | |
parent | 417df0129146e299e9fd273becab824887c384e9 [diff] |
Keep track of how many times a live range has been dequeued, and prioritize new ranges. When a large live range is evicted, it will usually be split when it comes around again. By deferring evicted live ranges, the splitting happens at a time when the interference pattern is more realistic. This prevents repeated splitting and evictions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126282 91177308-0d34-0410-b5e6-96231b3b80d8