[AVX512] Remove the GCCBuiltins from the mask pcmpeq/pcmpgt intrinsics so we can emit native IR from clang.

The intrinsics themselves can be removed in a future commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272786 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed