[PATCH] Add intrinsic definitions for unary op AVX instructions [x86]

[Sanjay Patel]

In http://reviews.llvm.org/D6958#108333, @spatel wrote:

> Do you think it would better to not create these new defs and just write out the patterns using COPY_TO_REGCLASSes instead?


Ping.


http://reviews.llvm.org/D6958

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