[llvm] [Mips] Add test file for 'xor' and 'and' instructions (PR #106679)

[via llvm-commits]

yingopq wrote:

> > The tests failed. Can you have a look at them?
> 
> This test is meant to reflect the current issue, so it will fail.I would like to submit the modified code based on this, so that it can reflect what has been optimized.


wzssyqa  is referring to the following error report `Some checks were not successful`, not your testcase.


https://github.com/llvm/llvm-project/pull/106679