diff --git a/mlir/lib/Dialect/SCF/Transforms/OneToNTypeConversion.cpp b/mlir/lib/Dialect/SCF/Transforms/OneToNTypeConversion.cpp
--- a/mlir/lib/Dialect/SCF/Transforms/OneToNTypeConversion.cpp
+++ b/mlir/lib/Dialect/SCF/Transforms/OneToNTypeConversion.cpp
@@ -50,8 +50,7 @@
     rewriter.inlineRegionBefore(op.getElseRegion(), newOp.getElseRegion(),
                                 newOp.getElseRegion().end());
 
-    rewriter.replaceOp(op, SmallVector<Value>(newOp->getResults()),
-                       resultMapping);
+    rewriter.replaceOp(op, newOp->getResults(), resultMapping);
     return success();
   }
 };
@@ -95,8 +94,7 @@
       rewriter.inlineRegionBefore(op.getRegion(i), dstRegion, dstRegion.end());
     }
 
-    rewriter.replaceOp(op, SmallVector<Value>(newOp->getResults()),
-                       resultMapping);
+    rewriter.replaceOp(op, newOp->getResults(), resultMapping);
     return success();
   }
 };