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authorJakob Stoklund Olesen <stoklund@2pi.dk>2011-04-06 21:32:38 +0000
committerJakob Stoklund Olesen <stoklund@2pi.dk>2011-04-06 21:32:38 +0000
commit81439a83f4b8034cbda395a87c681ca8c56d1c78 (patch)
treef3c125a422eae61ea8c795928f324d04c2f34973 /llvm/lib/CodeGen/InterferenceCache.cpp
parent469d171ae2206bf959f6fb694c5eb1e7b3499449 (diff)
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Abort the constraint calculation early when all positive bias is lost.
Without any positive bias, there is nothing for the spill placer to to. It will spill everywhere. llvm-svn: 129029
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