Jakob Stoklund Olesen f4afdfc501 Build the Hopfield network incrementally when splitting global live ranges. ...

It is common for large live ranges to have few basic blocks with register uses
and many live-through blocks without any uses. This approach grows the Hopfield
network incrementally around the use blocks, completely avoiding checking
interference for some through blocks.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129188 91177308-0d34-0410-b5e6-96231b3b80d8

2011-04-09 02:59:09 +00:00

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