[llvm-commits] [PATCH] Add support for lowering FNEG with AVX

[Chad Rosier]

With AVX enabled the included test case clang would assert:
Assertion failed: (VT.getSizeInBits() == Operand.getValueType().getSizeInBits() && "Cannot BITCAST between types of different sizes!")

This patch add support for lowering FNEG when AVX is enabled.

Hoping for feedback from someone with more AVX experience (e.g., Bruno, Craig, Evan, Eli).

 Chad

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