Chris Lattner f9944f109c Do not let MaskedValueIsZero consider undef to be zero, for reasons
explained in the comment.

This fixes UnitTests/2003-09-18-BitFieldTest on darwin


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22483 91177308-0d34-0410-b5e6-96231b3b80d8
2005-07-20 18:49:28 +00:00
..
2005-04-21 23:48:37 +00:00
2005-06-29 15:57:50 +00:00