text: //===-- llvm/lib/Target/AArch64/AArch64CallLowering.h - Call lowering -----===//
  //
  //                     The LLVM Compiler Infrastructure
  //
  // This file is distributed under the University of Illinois Open Source
  // License. See LICENSE.TXT for details.
  //
  //===----------------------------------------------------------------------===//
  ///
  /// \file
  /// This file describes how to lower LLVM calls to machine code calls.
  ///
  //===----------------------------------------------------------------------===//
  
  #ifndef LLVM_LIB_TARGET_AARCH64_AARCH64CALLLOWERING
  #define LLVM_LIB_TARGET_AARCH64_AARCH64CALLLOWERING
  
  #include "llvm/CodeGen/GlobalISel/CallLowering.h"
  
  namespace llvm {
  
  class AArch64TargetLowering;
    
  class AArch64CallLowering: public CallLowering {
   public:
    AArch64CallLowering(const AArch64TargetLowering &TLI);
    
    bool LowerReturn(MachineIRBuilder &MIRBuiler, const Value *Val,
                     unsigned VReg) const override;
    bool
    LowerFormalArguments(MachineIRBuilder &MIRBuilder,
                         const Function::ArgumentListType &Args,
                         const SmallVectorImpl<unsigned> &VRegs) const override;
  };
  } // End of namespace llvm;
  #endif
  