tree 74d31d0e8da0c54d9206038389d15542491b359a
parent a46e7d7a5f60b452340eb8ebc873538659c73e78
author Simon Pilgrim <llvm-dev@redking.me.uk> 1585918241 +0100
committer Simon Pilgrim <llvm-dev@redking.me.uk> 1585919776 +0100

[X86][AVX] Add tests showing failure to use chained PACKSS/PACKUS for multi-stage compaction shuffles

The sign/zero extended top bits mean that we could use chained PACK*S ops here