diff --git a/mlir/lib/Dialect/Tosa/IR/TosaCanonicalizations.cpp b/mlir/lib/Dialect/Tosa/IR/TosaCanonicalizations.cpp
--- a/mlir/lib/Dialect/Tosa/IR/TosaCanonicalizations.cpp
+++ b/mlir/lib/Dialect/Tosa/IR/TosaCanonicalizations.cpp
@@ -1047,6 +1047,9 @@
   if (!adaptor.getInput())
     return {};
 
+  if (!inputTy.getElementType().isIntOrIndexOrFloat())
+    return {};
+
   auto operand = adaptor.getInput().cast<ElementsAttr>();
   if (operand.isSplat() && outputTy.hasStaticShape()) {
     return SplatElementsAttr::get(outputTy, operand.getSplatValue<Attribute>());