diff --git a/mlir/lib/Conversion/ArithmeticToSPIRV/ArithmeticToSPIRV.cpp b/mlir/lib/Conversion/ArithmeticToSPIRV/ArithmeticToSPIRV.cpp
--- a/mlir/lib/Conversion/ArithmeticToSPIRV/ArithmeticToSPIRV.cpp
+++ b/mlir/lib/Conversion/ArithmeticToSPIRV/ArithmeticToSPIRV.cpp
@@ -294,10 +294,11 @@
     return failure();
 
   auto dstElementsAttr = constOp.getValue().dyn_cast<DenseElementsAttr>();
-  ShapedType dstAttrType = dstElementsAttr.getType();
   if (!dstElementsAttr)
     return failure();
 
+  ShapedType dstAttrType = dstElementsAttr.getType();
+
   // If the composite type has more than one dimensions, perform linearization.
   if (srcType.getRank() > 1) {
     if (srcType.isa<RankedTensorType>()) {