[X86][AVX] Added some shuffle combine from load tests

As discussed on D19198 - we need to check what happens when we shuffle with different value type to the load

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@269068 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed