1 //===-- BPFCallLowering.h - Call lowering for GlobalISel --------*- 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_BPF_GISEL_BPFCALLLOWERING_H
15 #define LLVM_LIB_TARGET_BPF_GISEL_BPFCALLLOWERING_H
16 
17 #include "BPFISelLowering.h"
18 #include "llvm/CodeGen/GlobalISel/CallLowering.h"
19 #include "llvm/IR/CallingConv.h"
20 
21 namespace llvm {
22 
23 class BPFTargetLowering;
24 
25 class BPFCallLowering : public CallLowering {
26 public:
27   BPFCallLowering(const BPFTargetLowering &TLI);
28   bool lowerReturn(MachineIRBuilder &MIRBuilder, const Value *Val,
29                    ArrayRef<Register> VRegs, FunctionLoweringInfo &FLI,
30                    Register SwiftErrorVReg) const override;
31   bool lowerFormalArguments(MachineIRBuilder &MIRBuilder, const Function &F,
32                             ArrayRef<ArrayRef<Register>> VRegs,
33                             FunctionLoweringInfo &FLI) const override;
34   bool lowerCall(MachineIRBuilder &MIRBuilder,
35                  CallLoweringInfo &Info) const override;
36 };
37 } // namespace llvm
38 
39 #endif
40