Nate Begeman d78d975437 Fix some code in the current node combining code, spotted when it was moved
over to DAGCombiner.cpp

1. Don't assume that SetCC returns i1 when folding (xor (setcc) constant)
2. Don't duplicate code in folding AND with AssertZext that is handled by
   MaskedValueIsZero

llvm-svn: 23196
2005-09-01 23:25:49 +00:00
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