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diff --git a/tensorflow/compiler/xla/service/cpu/elemental_ir_emitter.h b/tensorflow/compiler/xla/service/cpu/elemental_ir_emitter.h
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+/* Copyright 2017 The TensorFlow 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.
+==============================================================================*/
+
+#ifndef TENSORFLOW_COMPILER_XLA_SERVICE_CPU_ELEMENTAL_IR_EMITTER_H_
+#define TENSORFLOW_COMPILER_XLA_SERVICE_CPU_ELEMENTAL_IR_EMITTER_H_
+
+#include "external/llvm/include/llvm/IR/IRBuilder.h"
+#include "external/llvm/include/llvm/IR/Module.h"
+#include "external/llvm/include/llvm/IR/Value.h"
+#include "tensorflow/compiler/xla/service/elemental_ir_emitter.h"
+#include "tensorflow/compiler/xla/service/hlo_instruction.h"
+#include "tensorflow/compiler/xla/statusor.h"
+
+namespace xla {
+namespace cpu {
+
+class CpuElementalIrEmitter : public ElementalIrEmitter {
+ public:
+  CpuElementalIrEmitter(const HloModuleConfig& module_config,
+                        llvm::IRBuilder<>* ir_builder, llvm::Module* module)
+      : ElementalIrEmitter(module_config, module, ir_builder) {}
+
+ protected:
+  StatusOr<llvm::Value*> EmitFloatUnaryOp(
+      const HloInstruction* op, llvm::Value* operand_value) const override;
+};
+
+}  // namespace cpu
+}  // namespace xla
+
+#endif  // TENSORFLOW_COMPILER_XLA_SERVICE_CPU_ELEMENTAL_IR_EMITTER_H_