[llvm] [SelectionDAG] Add OPC_MoveSibling (PR #73643)

[Wang Pengcheng via llvm-commits]

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@@ -1066,6 +1077,9 @@ static StringRef getOpcodeString(Matcher::KindTy Kind) {
   case Matcher::RecordMemRef: return "OPC_RecordMemRef"; break;
   case Matcher::CaptureGlueInput: return "OPC_CaptureGlueInput"; break;
   case Matcher::MoveChild: return "OPC_MoveChild"; break;
+  case Matcher::MoveSibling:
+    return "OPC_MoveSibling";
+    break;
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wangpc-pp wrote:

Commited as d0c8d41e103dcd3ee1b2b5ed17f9a68e973e01d6.

https://github.com/llvm/llvm-project/pull/73643