[OME] Lower move_value to a noop.

Author: nate-chandler

lib/SILOptimizer/Mandatory/OwnershipModelEliminator.cpp

@@ -135,6 +135,10 @@ struct OwnershipModelEliminatorVisitor
   bool visitExplicitCopyValueInst(ExplicitCopyValueInst *cvi);
   bool visitDestroyValueInst(DestroyValueInst *dvi);
   bool visitLoadBorrowInst(LoadBorrowInst *lbi);
+  bool visitMoveValueInst(MoveValueInst *mvi) {
+    eraseInstructionAndRAUW(mvi, mvi->getOperand());
+    return true;
+  }
   bool visitBeginBorrowInst(BeginBorrowInst *bbi) {
     eraseInstructionAndRAUW(bbi, bbi->getOperand());
     return true;