Jakob Stoklund Olesen 90498b195b Move the composite map into CodeGenSubRegIndex.
Each SubRegIndex keeps track of how it composes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149423 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31 21:44:11 +00:00
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2012-01-12 23:14:13 +00:00