1//===-- RISCVCallLowering.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-exception 6// 7//===----------------------------------------------------------------------===// 8// 9/// \file 10/// This file describes how to lower LLVM calls to machine code calls. 11// 12//===----------------------------------------------------------------------===// 13 14#ifndef LLVM_LIB_TARGET_RISCV_RISCVCALLLOWERING_H 15#define LLVM_LIB_TARGET_RISCV_RISCVCALLLOWERING_H 16 17#include "llvm/CodeGen/CallingConvLower.h" 18#include "llvm/CodeGen/GlobalISel/CallLowering.h" 19#include "llvm/CodeGen/ValueTypes.h" 20 21namespace llvm { 22 23class RISCVTargetLowering; 24 25class RISCVCallLowering : public CallLowering { 26 27public: 28 RISCVCallLowering(const RISCVTargetLowering &TLI); 29 30 bool lowerReturn(MachineIRBuilder &MIRBuiler, const Value *Val, 31 ArrayRef<Register> VRegs) const override; 32 33 bool lowerFormalArguments(MachineIRBuilder &MIRBuilder, const Function &F, 34 ArrayRef<ArrayRef<Register>> VRegs) const override; 35 36 bool lowerCall(MachineIRBuilder &MIRBuilder, 37 CallLoweringInfo &Info) const override; 38}; 39 40} // end namespace llvm 41 42#endif // LLVM_LIB_TARGET_RISCV_RISCVCALLLOWERING_H 43