diff --git a/mlir/lib/Dialect/SparseTensor/Transforms/Sparsification.cpp b/mlir/lib/Dialect/SparseTensor/Transforms/Sparsification.cpp
--- a/mlir/lib/Dialect/SparseTensor/Transforms/Sparsification.cpp
+++ b/mlir/lib/Dialect/SparseTensor/Transforms/Sparsification.cpp
@@ -378,11 +378,14 @@
 static Reduction getReduction(Kind kind) {
   switch (kind) {
   case Kind::kAddF:
+  case Kind::kAddC:
   case Kind::kAddI:
   case Kind::kSubF:
+  case Kind::kSubC:
   case Kind::kSubI:
     return kSum;
   case Kind::kMulF:
+  case Kind::kMulC:
   case Kind::kMulI:
     return kProduct;
   case Kind::kAndI: