1//=== MSP430MachineFunctionInfo.h - MSP430 machine function info -*- 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// This file declares MSP430-specific per-machine-function information. 10// 11//===----------------------------------------------------------------------===// 12 13#ifndef LLVM_LIB_TARGET_MSP430_MSP430MACHINEFUNCTIONINFO_H 14#define LLVM_LIB_TARGET_MSP430_MSP430MACHINEFUNCTIONINFO_H 15 16#include "llvm/CodeGen/MachineFunction.h" 17 18namespace llvm { 19 20/// MSP430MachineFunctionInfo - This class is derived from MachineFunction and 21/// contains private MSP430 target-specific information for each MachineFunction. 22class MSP430MachineFunctionInfo : public MachineFunctionInfo { 23 virtual void anchor(); 24 25 /// CalleeSavedFrameSize - Size of the callee-saved register portion of the 26 /// stack frame in bytes. 27 unsigned CalleeSavedFrameSize = 0; 28 29 /// ReturnAddrIndex - FrameIndex for return slot. 30 int ReturnAddrIndex = 0; 31 32 /// VarArgsFrameIndex - FrameIndex for start of varargs area. 33 int VarArgsFrameIndex = 0; 34 35 /// SRetReturnReg - Some subtargets require that sret lowering includes 36 /// returning the value of the returned struct in a register. This field 37 /// holds the virtual register into which the sret argument is passed. 38 unsigned SRetReturnReg = 0; 39 40public: 41 MSP430MachineFunctionInfo() = default; 42 43 explicit MSP430MachineFunctionInfo(MachineFunction &MF) 44 : CalleeSavedFrameSize(0), ReturnAddrIndex(0), SRetReturnReg(0) {} 45 46 unsigned getCalleeSavedFrameSize() const { return CalleeSavedFrameSize; } 47 void setCalleeSavedFrameSize(unsigned bytes) { CalleeSavedFrameSize = bytes; } 48 49 unsigned getSRetReturnReg() const { return SRetReturnReg; } 50 void setSRetReturnReg(unsigned Reg) { SRetReturnReg = Reg; } 51 52 int getRAIndex() const { return ReturnAddrIndex; } 53 void setRAIndex(int Index) { ReturnAddrIndex = Index; } 54 55 int getVarArgsFrameIndex() const { return VarArgsFrameIndex;} 56 void setVarArgsFrameIndex(int Index) { VarArgsFrameIndex = Index; } 57}; 58 59} // End llvm namespace 60 61#endif 62