modify test

Author: Prakhar-Dixit

mlir/test/Dialect/Vector/vector-unroll-options.mlir

@@ -222,13 +222,15 @@ func.func @vector_multi_reduction(%v : vector<4x6xf32>, %acc: vector<4xf32>) ->
 //       CHECK:   %[[V2:.*]] = vector.insert_strided_slice %[[R5]], %[[V1]] {offsets = [2], strides = [1]} : vector<2xf32> into vector<4xf32>
 //       CHECK:   return %[[V2]] : vector<4xf32>
 
+// This is a negative test case to ensure that further unrolling is not performed. Since the vector.multi_reduction
+// operation has already been unrolled, attempting additional unrolling should not be allowed.
 func.func @negative_vector_multi_reduction(%v: vector<4x2xf32>, %acc: f32) -> f32 {
   %0 = vector.multi_reduction #vector.kind<add>, %v, %acc [0, 1] : vector<4x2xf32> to f32
   return %0 : f32
 }
 // CHECK-LABEL: func @negative_vector_multi_reduction
-//       CHECK:   %[[R0:.*]] = vector.multi_reduction <add>, %{{.*}}, %{{.*}} [0, 1] : vector<4x2xf32> to f32
-//       CHECK:   return %[[R0]] : f32
+//  CHECK-NEXT:   %[[R0:.*]] = vector.multi_reduction <add>, %{{.*}}, %{{.*}} [0, 1] : vector<4x2xf32> to f32
+//  CHECK-NEXT:   return %[[R0]] : f32
 
 func.func @vector_reduction(%v : vector<8xf32>) -> f32 {
   %0 = vector.reduction <add>, %v : vector<8xf32> into f32