diff --git a/mlir/lib/Transforms/Utils/LoopUtils.cpp b/mlir/lib/Transforms/Utils/LoopUtils.cpp
--- a/mlir/lib/Transforms/Utils/LoopUtils.cpp
+++ b/mlir/lib/Transforms/Utils/LoopUtils.cpp
@@ -221,6 +221,7 @@
 void mlir::promoteSingleIterationLoops(FuncOp f) {
   // Gathers all innermost loops through a post order pruned walk.
   f.walk([](AffineForOp forOp) { promoteIfSingleIteration(forOp); });
+  f.walk([](scf::ForOp forOp) { promoteIfSingleIteration(forOp); });
 }
 
 /// Generates an affine.for op with the specified lower and upper bounds