diff --git a/mlir/lib/Dialect/Affine/Utils/Utils.cpp b/mlir/lib/Dialect/Affine/Utils/Utils.cpp
--- a/mlir/lib/Dialect/Affine/Utils/Utils.cpp
+++ b/mlir/lib/Dialect/Affine/Utils/Utils.cpp
@@ -1199,8 +1199,6 @@
 
   // Prepend 'extraIndices' in 'newMapOperands'.
   for (Value extraIndex : extraIndices) {
-    assert(extraIndex.getDefiningOp()->getNumResults() == 1 &&
-           "single result op's expected to generate these indices");
     assert((isValidDim(extraIndex) || isValidSymbol(extraIndex)) &&
            "invalid memory op index");
     newMapOperands.push_back(extraIndex);