Jakob Stoklund Olesen 9b3d24bf3d Verify that one of the ranges produced by region splitting is allocatable.
We should not be attempting a region split if it won't lead to at least one
directly allocatable interval. That could cause infinite splitting loops.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124893 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-04 19:33:07 +00:00
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2011-01-17 16:43:30 +00:00