Recommit r350554 "[X86] Remove AVX512VBMI2 concat and shift intrinsics. Replace with target independent funnel shift intrinsics."

The MSVC limit we hit on AutoUpgrade.cpp has been worked around for now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@350567 91177308-0d34-0410-b5e6-96231b3b80d8
9 files changed