Jakob Stoklund Olesen b5fa933343 Add RAGreedy methods for splitting live ranges around regions. ...

Analyze the live range's behavior entering and leaving basic blocks. Compute an
interference pattern for each allocation candidate, and use SpillPlacement to
find an optimal region where that register can be live.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123774 91177308-0d34-0410-b5e6-96231b3b80d8

2011-01-18 21:13:27 +00:00

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