[llvm] [AArch64][SME2] Add FORM_STRIDED_TUPLE pseudo nodes (PR #116399)

[Benjamin Maxwell via llvm-commits]

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@@ -7438,3 +7448,20 @@ bool AArch64DAGToDAGISel::SelectSMETileSlice(SDValue N, unsigned MaxSize,
   Offset = CurDAG->getTargetConstant(0, SDLoc(N), MVT::i64);
   return true;
 }
+
+void AArch64DAGToDAGISel::SelectFormTuplePseudo(SDNode *Node, unsigned Size) {
+  assert((Size == 2 || Size == 4) && "Invalid Tuple size");
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MacDue wrote:

Isn't `Size` just `Node->getNumOperands()` (or `getNumValues()`)?


https://github.com/llvm/llvm-project/pull/116399