[NFC][InstCombine] Add baseline tests for canonicalizing "and, add", "or, add", "xor, add"

Baseline tests for canonicalizing "logic op, add"
```
((x + C1) & C2) --> ((x & C2) + C1)
((x + C1) ^ C2) --> ((x ^ C2) + C1)
((x + C1) | C2) --> ((x | C2) + C1)
```
for suitable constants `C1` and `C2`.

Reviewed By: spatel

Differential Revision: https://reviews.llvm.org/D131140