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, 32 FunctionLoweringInfo &FLI) const override; 33 34 bool lowerFormalArguments(MachineIRBuilder &MIRBuilder, const Function &F, 35 ArrayRef<ArrayRef<Register>> VRegs, 36 FunctionLoweringInfo &FLI) const override; 37 38 bool lowerCall(MachineIRBuilder &MIRBuilder, 39 CallLoweringInfo &Info) const override; 40 }; 41 42 } // end namespace llvm 43 44 #endif // LLVM_LIB_TARGET_RISCV_RISCVCALLLOWERING_H 45