Jakob Stoklund Olesen 570f9a972e Emit a getMatchingSuperRegClass() implementation for every target.
Use information computed while inferring new register classes to emit
accurate, table-driven implementations of getMatchingSuperRegClass().

Delete the old manual, error-prone implementations in the targets.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146873 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-19 16:53:34 +00:00
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