diff --git a/mlir/lib/Dialect/SparseTensor/Transforms/LoopEmitter.h b/mlir/lib/Dialect/SparseTensor/Transforms/LoopEmitter.h
--- a/mlir/lib/Dialect/SparseTensor/Transforms/LoopEmitter.h
+++ b/mlir/lib/Dialect/SparseTensor/Transforms/LoopEmitter.h
@@ -195,7 +195,7 @@
   unsigned getNumTensors() const { return tensors.size(); }
 
   /// Compresses a TensorId and Level into a TensorLevel.
-  constexpr TensorLevel makeTensorLevel(TensorId t, Level l) const {
+  TensorLevel makeTensorLevel(TensorId t, Level l) const {
     return l * getNumTensors() + t;
   }