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

[Rodolfo Wottrich via llvm-commits]

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@@ -920,3 +920,7 @@ bool AArch64TargetMachine::parseMachineFunctionInfo(
   MF.getInfo<AArch64FunctionInfo>()->initializeBaseYamlFields(YamlMFI);
   return false;
 }
+
+bool AArch64TargetMachine::shouldPreservePtrArith(const Function &F) const {
+  return getSubtargetImpl(F)->hasCPA();
+}
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rgwott wrote:

Done.

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