[clang] [Clang][SME2] Add multi-vector add/sub builtins (PR #69725)

[Sander de Smalen via cfe-commits]

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@@ -10266,35 +10288,13 @@ Value *CodeGenFunction::EmitAArch64SVEBuiltinExpr(unsigned BuiltinID,
 
 Value *CodeGenFunction::EmitAArch64SMEBuiltinExpr(unsigned BuiltinID,
                                                   const CallExpr *E) {
-  // Find out if any arguments are required to be integer constant expressions.
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sdesmalen-arm wrote:

The changes to EmitAArch64SMEBuiltinExpr seem like a (significant) non-functional change. Can you separate it out as such so that it can be committed separately?

https://github.com/llvm/llvm-project/pull/69725