[llvm-branch-commits] [llvm] [AArch64][SME] Support agnostic ZA functions in the MachineSMEABIPass (PR #149064)

[Gaëtan Bossu via llvm-branch-commits]

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@@ -200,7 +200,7 @@ struct MachineSMEABI : public MachineFunctionPass {
 
   /// Inserts code to handle changes between ZA states within the function.
   /// E.g., ACTIVE -> LOCAL_SAVED will insert code required to save ZA.
-  void insertStateChanges();
+  void insertStateChanges(bool IsAgnosticZA);
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gbossu wrote:

Also, are `IsAgnosticZA` and `!IsAgnosticZA` the two types of functions we'll ever have have to handle? If not, should we already turn this into an enum?

https://github.com/llvm/llvm-project/pull/149064