[X86] Lower avx512f scatter intrinsics to X86MaskedScatterSDNode instead of going directly to MachineSDNode.

This sends these intrinsics through isel in a much more normal way. This should allow addressing mode matching in isel to make better use of the displacement field.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@351583 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed