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llvm-6502/lib/CodeGen/RegAllocGreedy.cpp
Jakob Stoklund Olesen 36d61863bc Cache basic block bounds instead of asking SlotIndexes::getMBBRange all the time. 
This speeds up the greedy register allocator by 15%.
DenseMap is not as fast as one might hope.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126921 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-03 03:41:29 +00:00

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