move clip XPU kernel to PHI,test=kunlun (#45568)

* move clip XPU kernel to PHI,test=kunlun

* delete clip_op_xpu.cc,test=kunlun

Author: risemeup1

paddle/fluid/operators/clip_op_xpu.cc

@@ -0,0 +1,49 @@
+// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// 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.
+
+#include "paddle/phi/kernels/clip_kernel.h"
+#include "paddle/phi/backends/xpu/xpu_context.h"
+#include "paddle/phi/backends/xpu/xpu_header.h"
+#include "paddle/phi/core/kernel_registry.h"
+
+namespace phi {
+
+template <typename T, typename Context>
+void ClipKernel(const Context& dev_ctx,
+                const DenseTensor& x,
+                const Scalar& min,
+                const Scalar& max,
+                DenseTensor* out) {
+  dev_ctx.template Alloc<T>(out);
+  using XPUDataType = typename XPUTypeTrait<T>::Type;
+  auto x_data = reinterpret_cast<const XPUDataType*>(x.data<T>());
+  auto out_data = reinterpret_cast<XPUDataType*>(out->data<T>());
+  int r = xpu::clip_v2(dev_ctx.x_context(),
+                       x_data,
+                       out_data,
+                       x.numel(),
+                       min.to<float>(),
+                       max.to<float>());
+
+  PADDLE_ENFORCE_EQ(r,
+                    XPU_SUCCESS,
+                    phi::errors::External("XPU API(clip_v2) return wrong "
+                                          "value[%d %s]",
+                                          r,
+                                          XPUAPIErrorMsg[r]));
+}
+
+}  // namespace phi
+
+PD_REGISTER_KERNEL(clip, XPU, ALL_LAYOUT, phi::ClipKernel, float) {}