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#pragma once 
 
#ifdef __GNUC__ 
#pragma GCC diagnostic push 
#pragma GCC diagnostic ignored "-Wunused-parameter" 
#endif 
 
//===- CSEConfigBase.h - A CSEConfig interface ------------------*- C++ -*-===// 
// 
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 
// See https://llvm.org/LICENSE.txt for license information. 
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 
// 
//===----------------------------------------------------------------------===// 
 
#ifndef LLVM_CODEGEN_CSECONFIG_BASE_H 
#define LLVM_CODEGEN_CSECONFIG_BASE_H 
 
namespace llvm { 
// Class representing some configuration that can be done during GlobalISel's 
// CSEInfo analysis. We define it here because TargetPassConfig can't depend on 
// the GlobalISel library, and so we use this in the interface between them 
// so that the derived classes in GISel can reference generic opcodes. 
class CSEConfigBase { 
public: 
  virtual ~CSEConfigBase() = default; 
  // Hook for defining which Generic instructions should be CSEd. 
  // GISelCSEInfo currently only calls this hook when dealing with generic 
  // opcodes. 
  virtual bool shouldCSEOpc(unsigned Opc) { return false; } 
}; 
 
} // namespace llvm 
 
#endif // LLVM_CODEGEN_CSECONFIG_BASE_H 
 
#ifdef __GNUC__ 
#pragma GCC diagnostic pop 
#endif