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