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