[llvm] LICM: hoist BO assoc when (C1 op LV) op C2 (PR #106999)

[Nikita Popov via llvm-commits]

================
@@ -67,6 +110,31 @@ loop:
   br label %loop
 }
 
+
+; Hoist ADD and copy NUW even if both ops have it. Commutative version.
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nikic wrote:

```suggestion
; Hoist ADD and copy NUW if both ops have it. Commutative version.
```

https://github.com/llvm/llvm-project/pull/106999