Split local live ranges.
authorJakob Stoklund Olesen <stoklund@2pi.dk>
Thu, 17 Feb 2011 19:13:53 +0000 (19:13 +0000)
committerJakob Stoklund Olesen <stoklund@2pi.dk>
Thu, 17 Feb 2011 19:13:53 +0000 (19:13 +0000)
commit034a80d065358b412cdd270e08fb6f1986e65e50
tree38ae1b1272028e5da2a08b93cbc6e2590707118e
parent64849ce66fd01b5da5b59ea987770283a6ba48b1
Split local live ranges.

A local live range is live in a single basic block. If such a range fails to
allocate, try to find a sub-range that would get a larger spill weight than its
interference.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125764 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/RegAllocGreedy.cpp
lib/CodeGen/SplitKit.h