Eric Christopher d574bb5a6e Fix a bug where we were counting the alias sets as completely used ...

registers for fast allocation a different way. This has us updating
used registers only when we're using that exact register.

Fixes rdar://9207598



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129711 91177308-0d34-0410-b5e6-96231b3b80d8

2011-04-18 19:26:25 +00:00

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