[llvm] [AArch64][SelectionDAG] Add CodeGen support for FEAT_CPA (PR #105669)

[Rodolfo Wottrich via llvm-commits]

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@@ -4368,7 +4374,7 @@ void SelectionDAGBuilder::visitGetElementPtr(const User &I) {
 
         OffsVal = DAG.getSExtOrTrunc(OffsVal, dl, N.getValueType());
 
-        N = DAG.getNode(ISD::ADD, dl, N.getValueType(), N, OffsVal, Flags);
+        N = DAG.getNode(AddOpcode, dl, N.getValueType(), N, OffsVal, Flags);
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rgwott wrote:

Done.

https://github.com/llvm/llvm-project/pull/105669