[llvm] [AArch64] Remove copy in SVE/SME predicate spill and fill (PR #81716)

[Sam Tebbs via llvm-commits]

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@@ -1290,6 +1294,20 @@ class AArch64Operand : public MCParsedAsmOperand {
     return DiagnosticPredicateTy::NearMatch;
   }
 
+  template <int ElementWidth, unsigned Class>
+  DiagnosticPredicate isSVEPredicateOrPredicateAsCounterRegOfWidth() const {
+    if (Kind != k_Register || (Reg.Kind != RegKind::SVEPredicateAsCounter &&
+                               Reg.Kind != RegKind::SVEPredicateVector))
+      return DiagnosticPredicateTy::NoMatch;
+
+    if ((isSVEPredicateAsCounterReg<Class>() ||
+         isSVEPredicateVectorRegOfWidth<ElementWidth, Class>()) &&
+        (Reg.ElementWidth == ElementWidth))
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SamTebbs33 wrote:

Done

https://github.com/llvm/llvm-project/pull/81716