Jakob Stoklund Olesen 6d6132986d Limit the search space in RAGreedy::tryEvict(). ...

When tryEvict() is looking for a cheaper register in the allocation
order, skip the tail of too expensive registers when possible.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172281 91177308-0d34-0410-b5e6-96231b3b80d8

2013-01-12 00:57:44 +00:00

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