[llvm] [IR] Add new Range attribute using new ConstantRange Attribute type (PR #83171)

[Nikita Popov via llvm-commits]

================
@@ -354,6 +355,12 @@ class FoldingSetNodeID {
     AddInteger(unsigned(I));
     AddInteger(unsigned(I >> 32));
   }
+  void AddInteger(APInt Int) {
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nikic wrote:

```suggestion
  void AddInteger(const APInt &Int) {
```

https://github.com/llvm/llvm-project/pull/83171