[llvm] [GISel][AArch64] Allow PatLeafs to be imported in GISel which were previously causing warnings (PR #140935)

[Pierre van Houtryve via llvm-commits]

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@@ -143,6 +143,26 @@ class GlobalISelMatchTableExecutorEmitter {
         AdditionalDecls, Predicates, GetPredEnumName, GetPredCode, Comment);
   }
 
+  /// Emits `testMOPredicate_MO`.
+  /// @tparam PredicateObject An object representing a predicate to emit.
+  /// @param OS Output stream.
+  /// @param AdditionalDecls Additional C++ variable declarations.
+  /// @param Predicates Predicates to emit.
+  /// @param GetPredEnumName Returns an enum name for a given predicate.
+  /// @param GetPredCode Returns the C++ code of a given predicate.
+  /// @param Comment Optional comment for the enum declaration.
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Pierre-vh wrote:

Use `\` doxygen prefix to be consistent with the rest of the file

https://github.com/llvm/llvm-project/pull/140935