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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
21 namespace llvm {
22
23 class RISCVTargetLowering;
24
25 class RISCVCallLowering : public CallLowering {
26
27 public:
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