Dan Gohman fd3daa74c2 Generalize the zext(trunc(t) & C) instcombine to work even with
C is not a low-bits mask, and add a similar instcombine for
zext((trunc(t) & C) ^ C).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73705 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-18 16:30:21 +00:00
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2009-03-13 04:39:26 +00:00
2009-06-16 20:53:09 +00:00
2009-03-02 09:01:14 +00:00