[X86] Added extra widening tests for and/xor/or bit operations

Add tests for bitcasting an illegal vector to/from a legal scalar

Additional tests requested for D18944

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@265930 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed