refactor: replace header guards with #pragma once.

Author: yingxudeng

xllm/core/kernels/npu/custom_functions_npu/atb_common.h

@@ -13,8 +13,8 @@ See the License for the specific language governing permissions and
 limitations under the License.
 ==============================================================================*/
 
-#ifndef XLLM_CORE_KERNELS_NPU_ATB_COMMON_H
-#define XLLM_CORE_KERNELS_NPU_ATB_COMMON_H
+#pragma once
+
 #include <dlfcn.h>
 #include <torch/library.h>
 #include <torch_npu/csrc/core/npu/NPUStream.h>
@@ -490,5 +490,3 @@ void run_atb_cmd(atb::Operation* op,
                  const std::string& name);
 
 }  // namespace atb
-
-#endif

xllm/core/kernels/npu/custom_functions_npu/operation_cache_compute.h

@@ -13,8 +13,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 ==============================================================================*/
 
-#ifndef XLLM_CORE_KERNELS_NPU_ATB_PARAM_OPERATION_CACHE_COMPUTE_H
-#define XLLM_CORE_KERNELS_NPU_ATB_PARAM_OPERATION_CACHE_COMPUTE_H
+#pragma once
 
 #include <torch_npu/csrc/framework/OpCommand.h>
 
@@ -144,5 +143,3 @@ uint64_t compute_hash(const std::string& name, Ts&... args) {
 }
 
 }  // namespace atb
-
-#endif  // XLLM_CORE_KERNELS_NPU_ATB_PARAM_OPERATION_CACHE_COMPUTE_H

xllm/core/kernels/npu/custom_functions_npu/operation_create.h

@@ -13,8 +13,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 ==============================================================================*/
 
-#ifndef XLLM_CORE_KERNELS_NPU_ATB_OPERATION_CREATE_H
-#define XLLM_CORE_KERNELS_NPU_ATB_OPERATION_CREATE_H
+#pragma once
 
 #include <torch_npu/csrc/core/npu/NPUGraphsUtils.h>
 #include <torch_npu/csrc/framework/OpCommand.h>
@@ -123,5 +122,3 @@ OpParamCache<ParamType>::~OpParamCache() {
 }
 
 }  // namespace atb
-
-#endif  // XLLM_CORE_KERNELS_NPU_ATB_OPERATION_CREATE_H

xllm/core/kernels/npu/custom_functions_npu/utils.h

@@ -13,8 +13,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 ==============================================================================*/
 
-#ifndef XLLM_CORE_KERNELS_NPU_ATB_UTILS_H
-#define XLLM_CORE_KERNELS_NPU_ATB_UTILS_H
+#pragma once
 
 #include <ATen/ATen.h>
 #include <acl/acl.h>
@@ -99,5 +98,3 @@ inline int get_op_mode(const MapType& mode_map,
 }
 }  // namespace utils
 }  // namespace atb
-
-#endif

xllm/core/kernels/npu/ops_npu/npu_ops.h

@@ -12,8 +12,7 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 ==============================================================================*/
-#ifndef XLLM_NPU_OPS_H
-#define XLLM_NPU_OPS_H
+#pragma once
 
 #include "../custom_functions_npu/atb_common.h"
 
@@ -52,5 +51,3 @@ void _npu_flash_attention(const at::Tensor& query,
                           at::Tensor& out);
 
 }  // namespace atb
-
-#endif  // XLLM_NPU_OPS_H