Chris Lattner c114b2cad7 Completely change the way that joining with physregs is implemented. This ... paves the way for future changes, increases coallescing opportunities (in theory, not witnessed in practice), and eliminates the really expensive LiveIntervals::overlapsAliases method. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29890 91177308-0d34-0410-b5e6-96231b3b80d8		2006-08-25 23:41:24 +00:00
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llvm	Completely change the way that joining with physregs is implemented. This	2006-08-25 23:41:24 +00:00