tree 83e2b56a195b0f8c8d969c57cf7e06689204636b
parent 96b0ff50830ff229f456c7e0ec50ecc4e7ae7cdb
author Simon Pilgrim <llvm-dev@redking.me.uk> 1544989564 +0000
committer Simon Pilgrim <llvm-dev@redking.me.uk> 1544989564 +0000

[X86] Pull out constant splat rotation detection.

We had 3 different approaches - consistently use getTargetConstantBitsFromNode and allow undef elts.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@349319 91177308-0d34-0410-b5e6-96231b3b80d8