1 files changed, 3 insertions, 1 deletions
diff --git a/mlir/lib/Conversion/VectorToGPU/VectorToGPU.cpp b/mlir/lib/Conversion/VectorToGPU/VectorToGPU.cpp
index 8b16da387457..0ec9ddc25ff8 100644
--- a/mlir/lib/Conversion/VectorToGPU/VectorToGPU.cpp
+++ b/mlir/lib/Conversion/VectorToGPU/VectorToGPU.cpp
@@ -317,7 +317,9 @@ getSliceContract(Operation *op,
     auto *currentOp = (slice)[currentIndex];
     // Compute and insert the backwardSlice starting from currentOp.
     backwardSlice.clear();
-    getBackwardSlice(currentOp, &backwardSlice, backwardSliceOptions);
+    LogicalResult result =
+        getBackwardSlice(currentOp, &backwardSlice, backwardSliceOptions);
+    assert(result.succeeded() && "expected a backward slice");
     slice.insert_range(backwardSlice);
 
     // Compute and insert the forwardSlice starting from currentOp.