Jakob Stoklund Olesen 31f5591c91 Get rid of RegScavenger::backwards() before the bitrot spreads.
If we need it one day, there is nothing wrong with putting it back in.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78337 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-06 21:19:03 +00:00
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