Revert r335562 and 335563 "[X86] Redefine avx512 packed fpclass intrinsics to return a vXi1 mask and implement the mask input argument using an 'and' IR instruction."

These were supposed to have been squashed to a single commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@335566 91177308-0d34-0410-b5e6-96231b3b80d8
9 files changed