fix for passthrough element op

include/ck/tensor_operation/gpu/grid/gridwise_gemm_dl_multiple_d.hpp

@@ -544,10 +544,14 @@ struct GridwiseGemmDlMultipleD_km_kn_mn
                 blockwise_gemm.CalculateCThreadOriginOnBlock_BM0_BM1_BN0_BN1(
                     get_thread_local_1d_id());
 
+            if constexpr(!is_same_v<CDEElementwiseOperation,
+                                    ck::tensor_operation::element_wise::PassThrough>)
+            {
                 const auto ds_grid_buf = generate_tuple(
                     [&](auto i) {
                         return make_dynamic_buffer<AddressSpaceEnum::Global>(
-                        p_ds_grid[i], ds_grid_desc_m0_m10_m11_n0_n10_n11[i].GetElementSpaceSize());
+                            p_ds_grid[i],
+                            ds_grid_desc_m0_m10_m11_n0_n10_n11[i].GetElementSpaceSize());
                     },
                     Number<NumDTensor>{});
 
@@ -583,26 +587,20 @@ struct GridwiseGemmDlMultipleD_km_kn_mn
                             1,
                             false>(
                             ds_grid_desc_m0_m10_m11_n0_n10_n11[i],
-                        make_multi_index(
-                            im0,
+                            make_multi_index(im0,
                                              c_m10_m11_n10_n11_thread_origin_idx_on_block[I0],
                                              c_m10_m11_n10_n11_thread_origin_idx_on_block[I1],
                                              in0,
                                              c_m10_m11_n10_n11_thread_origin_idx_on_block[I2],
-                            c_m10_m11_n10_n11_thread_origin_idx_on_block[I3])); // register number
+                                             c_m10_m11_n10_n11_thread_origin_idx_on_block[I3]));
                     },
                     Number<NumDTensor>{});
 
                 static_for<0, c_m10_m11_n10_n11_thread_tensor_lengths[I0], 1>{}([&](auto m10) {
                     static_for<0, c_m10_m11_n10_n11_thread_tensor_lengths[I1], 1>{}([&](auto m11) {
-                    static_for<0, c_m10_m11_n10_n11_thread_tensor_lengths[I2], 1>{}([&](auto n10) {
-                        ignore = m10;
-                        ignore = m11;
-                        ignore = n10;
-                        ignore = ds_thread_buf;
-                        ignore = ds_threadwise_copy;
-                        ignore = ds_grid_buf;
-
+                        static_for<0, c_m10_m11_n10_n11_thread_tensor_lengths[I2], 1>{}(
+                            [&](auto n10) {
+                                // load d matrix data
                                 static_for<0, NumDTensor, 1>{}([&](auto i) {
                                     ds_threadwise_copy(i).Run(ds_grid_desc_m0_m10_m11_n0_n10_n11[i],
                                                               ds_grid_buf[i],
@@ -610,7 +608,7 @@ struct GridwiseGemmDlMultipleD_km_kn_mn
                                                               make_tuple(I0, I0, I0, I0, I0, I0),
                                                               ds_thread_buf(i));
                                 });
-
+                                // cal element op
                                 static_for<0, c_m10_m11_n10_n11_thread_tensor_lengths[I3], 1>{}(
                                     [&](auto i) {
                                         // get reference to src data
@@ -627,7 +625,9 @@ struct GridwiseGemmDlMultipleD_km_kn_mn
                                                 make_tuple(0, m10, m11, 0, n10, i));
                                         auto dst_data_refs = generate_tie(
                                             // return type should be lvalue
-                                    [&](auto) -> auto& { return c_thread_buf(Number<c_offset>{}); },
+                                            [&](auto) -> auto& {
+                                                return c_thread_buf(Number<c_offset>{});
+                                            },
                                             Number<2>{});
 
                                         unpack2(cde_element_op, dst_data_refs, src_data_refs);
@@ -653,6 +653,7 @@ struct GridwiseGemmDlMultipleD_km_kn_mn
                                 0, 1, -c_m10_m11_n10_n11_thread_tensor_lengths[I1], 0, 0, 0));
                     });
                 });
+            }
 
             ThreadwiseTensorSliceTransfer_v1r3<
                 FloatAcc,