Update mlir/docs/Tutorials/DataFlowAnalysis.md

Co-authored-by: Mehdi Amini <[email protected]>

Author: linuxlonelyeagle

mlir/docs/Tutorials/DataFlowAnalysis.md

@@ -293,6 +293,7 @@ void MyPass::runOnOperation() {
     if (op->getNumResults()) {
       Value result = op->getResult(0);
       auto lattice = solver.lookupState<MetadataLatticeValueLattice>(result);
+      llvm::outs() << OpWithFlags(op, OpPrintingFlags().skipRegions()) << " : ";
       lattice->print(llvm::outs());
     }
   });