[X86] Remove unnecessary code from getMaskNode.

We no longer need to extend mask scalars before bitcasting them to vXi1. This was only needed for the truncate intrinsics. And was really a bug in our lowering of them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@350991 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed