1*0b57cec5SDimitry Andric //=== MSP430MachineFunctionInfo.h - MSP430 machine function info -*- C++ -*-==// 2*0b57cec5SDimitry Andric // 3*0b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*0b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5*0b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*0b57cec5SDimitry Andric // 7*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 8*0b57cec5SDimitry Andric // 9*0b57cec5SDimitry Andric // This file declares MSP430-specific per-machine-function information. 10*0b57cec5SDimitry Andric // 11*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 12*0b57cec5SDimitry Andric 13*0b57cec5SDimitry Andric #ifndef LLVM_LIB_TARGET_MSP430_MSP430MACHINEFUNCTIONINFO_H 14*0b57cec5SDimitry Andric #define LLVM_LIB_TARGET_MSP430_MSP430MACHINEFUNCTIONINFO_H 15*0b57cec5SDimitry Andric 16*0b57cec5SDimitry Andric #include "llvm/CodeGen/MachineFunction.h" 17*0b57cec5SDimitry Andric 18*0b57cec5SDimitry Andric namespace llvm { 19*0b57cec5SDimitry Andric 20*0b57cec5SDimitry Andric /// MSP430MachineFunctionInfo - This class is derived from MachineFunction and 21*0b57cec5SDimitry Andric /// contains private MSP430 target-specific information for each MachineFunction. 22*0b57cec5SDimitry Andric class MSP430MachineFunctionInfo : public MachineFunctionInfo { 23*0b57cec5SDimitry Andric virtual void anchor(); 24*0b57cec5SDimitry Andric 25*0b57cec5SDimitry Andric /// CalleeSavedFrameSize - Size of the callee-saved register portion of the 26*0b57cec5SDimitry Andric /// stack frame in bytes. 27*0b57cec5SDimitry Andric unsigned CalleeSavedFrameSize; 28*0b57cec5SDimitry Andric 29*0b57cec5SDimitry Andric /// ReturnAddrIndex - FrameIndex for return slot. 30*0b57cec5SDimitry Andric int ReturnAddrIndex; 31*0b57cec5SDimitry Andric 32*0b57cec5SDimitry Andric /// VarArgsFrameIndex - FrameIndex for start of varargs area. 33*0b57cec5SDimitry Andric int VarArgsFrameIndex; 34*0b57cec5SDimitry Andric 35*0b57cec5SDimitry Andric /// SRetReturnReg - Some subtargets require that sret lowering includes 36*0b57cec5SDimitry Andric /// returning the value of the returned struct in a register. This field 37*0b57cec5SDimitry Andric /// holds the virtual register into which the sret argument is passed. 38*0b57cec5SDimitry Andric unsigned SRetReturnReg; 39*0b57cec5SDimitry Andric 40*0b57cec5SDimitry Andric public: 41*0b57cec5SDimitry Andric MSP430MachineFunctionInfo() : CalleeSavedFrameSize(0) {} 42*0b57cec5SDimitry Andric 43*0b57cec5SDimitry Andric explicit MSP430MachineFunctionInfo(MachineFunction &MF) 44*0b57cec5SDimitry Andric : CalleeSavedFrameSize(0), ReturnAddrIndex(0), SRetReturnReg(0) {} 45*0b57cec5SDimitry Andric 46*0b57cec5SDimitry Andric unsigned getCalleeSavedFrameSize() const { return CalleeSavedFrameSize; } 47*0b57cec5SDimitry Andric void setCalleeSavedFrameSize(unsigned bytes) { CalleeSavedFrameSize = bytes; } 48*0b57cec5SDimitry Andric 49*0b57cec5SDimitry Andric unsigned getSRetReturnReg() const { return SRetReturnReg; } 50*0b57cec5SDimitry Andric void setSRetReturnReg(unsigned Reg) { SRetReturnReg = Reg; } 51*0b57cec5SDimitry Andric 52*0b57cec5SDimitry Andric int getRAIndex() const { return ReturnAddrIndex; } 53*0b57cec5SDimitry Andric void setRAIndex(int Index) { ReturnAddrIndex = Index; } 54*0b57cec5SDimitry Andric 55*0b57cec5SDimitry Andric int getVarArgsFrameIndex() const { return VarArgsFrameIndex;} 56*0b57cec5SDimitry Andric void setVarArgsFrameIndex(int Index) { VarArgsFrameIndex = Index; } 57*0b57cec5SDimitry Andric }; 58*0b57cec5SDimitry Andric 59*0b57cec5SDimitry Andric } // End llvm namespace 60*0b57cec5SDimitry Andric 61*0b57cec5SDimitry Andric #endif 62