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clang-p2996/llvm/lib/CodeGen/RegAllocGreedy.cpp
Jakob Stoklund Olesen eef2327360 Add a safe-guard against repeated splitting for some rare cases. 
The number of blocks covered by a live range must be strictly decreasing when
splitting, otherwise we can't allow repeated splitting.

llvm-svn: 130249
2011-04-26 22:33:12 +00:00

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