Bruno Cardoso Lopes a23236c360 Add a few patterns to match allzeros without having to use the fp unit.
Take advantage that the 128-bit vpxor zeros the higher part and use it.
This also fixes PR10491

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136321 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28 01:26:43 +00:00
..
2011-03-12 22:01:42 +00:00