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1//===- llvm/lib/Target/ARM/ARMCallLowering.h - Call lowering ----*- C++ -*-===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8//9/// \file10/// This file describes how to lower LLVM calls to machine code calls.11//12//===----------------------------------------------------------------------===//13 14#ifndef LLVM_LIB_TARGET_ARM_ARMCALLLOWERING_H15#define LLVM_LIB_TARGET_ARM_ARMCALLLOWERING_H16 17#include "llvm/ADT/ArrayRef.h"18#include "llvm/CodeGen/GlobalISel/CallLowering.h"19#include "llvm/IR/CallingConv.h"20#include <cstdint>21#include <functional>22 23namespace llvm {24 25class ARMTargetLowering;26class MachineInstrBuilder;27class MachineIRBuilder;28class Value;29 30class ARMCallLowering : public CallLowering {31public:32 ARMCallLowering(const ARMTargetLowering &TLI);33 34 bool lowerReturn(MachineIRBuilder &MIRBuilder, const Value *Val,35 ArrayRef<Register> VRegs,36 FunctionLoweringInfo &FLI) const override;37 38 bool lowerFormalArguments(MachineIRBuilder &MIRBuilder, const Function &F,39 ArrayRef<ArrayRef<Register>> VRegs,40 FunctionLoweringInfo &FLI) const override;41 42 bool lowerCall(MachineIRBuilder &MIRBuilder,43 CallLoweringInfo &Info) const override;44 45 bool enableBigEndian() const override;46 47private:48 bool lowerReturnVal(MachineIRBuilder &MIRBuilder, const Value *Val,49 ArrayRef<Register> VRegs,50 MachineInstrBuilder &Ret) const;51};52 53} // end namespace llvm54 55#endif // LLVM_LIB_TARGET_ARM_ARMCALLLOWERING_H56