[llvm] [ConstraintElim] Add trunc nuw support to condition checks (PR #209844)

[Florian Hahn via llvm-commits]

================
@@ -1698,10 +1697,13 @@ static bool checkOrAndOpImpliedByOther(
   if (OldSize == DFSInStack.size())
     return false;
 
+  Value *A, *B;
+  CmpPredicate Pred;
+  bool Matched = match(CmpToCheck, m_ICmpLike(Pred, m_Value(A), m_Value(B)));
+  (void)Matched;
----------------
fhahn wrote:

nit: could use more modern

```suggestion
  [[maybe_unused]] bool Matched = match(CmpToCheck, m_ICmpLike(Pred, m_Value(A), m_Value(B)));
```

https://github.com/llvm/llvm-project/pull/209844