[llvm] [NFC][TableGen] Code cleanup in CodeGenRegister (PR #137994)

[Rahul Joshi via llvm-commits]

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@@ -781,10 +782,12 @@ class ListInit final : public TypedInit,
 
   void Profile(FoldingSetNodeID &ID) const;
 
-  const Init *getElement(unsigned i) const {
-    assert(i < NumValues && "List element index out of range!");
-    return getTrailingObjects<const Init *>()[i];
+  ArrayRef<const Init *> getValues() const {
+    return ArrayRef(getTrailingObjects<const Init *>(), NumValues);
   }
+
+  const Init *getElement(unsigned i) const { return getValues()[i]; }
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jurahul wrote:

Done. I assume you meant the name `i`.

https://github.com/llvm/llvm-project/pull/137994