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//===- lib/Target/AMDGPU/AMDGPUCallLowering.h - Call lowering -*- C++ -*---===//
//
// 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_AMDGPU_AMDGPUCALLLOWERING_H
#define LLVM_LIB_TARGET_AMDGPU_AMDGPUCALLLOWERING_H
#include "AMDGPU.h"
#include "llvm/CodeGen/GlobalISel/CallLowering.h"
namespace llvm {
class AMDGPUTargetLowering;
class AMDGPUCallLowering: public CallLowering {
AMDGPUAS AMDGPUASI;
unsigned lowerParameterPtr(MachineIRBuilder &MIRBuilder, Type *ParamTy,
uint64_t Offset) const;
void lowerParameter(MachineIRBuilder &MIRBuilder, Type *ParamTy,
uint64_t Offset, unsigned Align,
unsigned DstReg) const;
public:
AMDGPUCallLowering(const AMDGPUTargetLowering &TLI);
bool lowerReturn(MachineIRBuilder &MIRBuiler, const Value *Val,
unsigned VReg) const override;
bool lowerFormalArguments(MachineIRBuilder &MIRBuilder, const Function &F,
ArrayRef<unsigned> VRegs) const override;
static CCAssignFn *CCAssignFnForCall(CallingConv::ID CC, bool IsVarArg);
static CCAssignFn *CCAssignFnForReturn(CallingConv::ID CC, bool IsVarArg);
};
} // End of namespace llvm;
#endif
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