10b57cec5SDimitry Andric //=== MSP430MachineFunctionInfo.h - MSP430 machine function info -*- C++ -*-==// 20b57cec5SDimitry Andric // 30b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 40b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 50b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 60b57cec5SDimitry Andric // 70b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 80b57cec5SDimitry Andric // 90b57cec5SDimitry Andric // This file declares MSP430-specific per-machine-function information. 100b57cec5SDimitry Andric // 110b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 120b57cec5SDimitry Andric 130b57cec5SDimitry Andric #ifndef LLVM_LIB_TARGET_MSP430_MSP430MACHINEFUNCTIONINFO_H 140b57cec5SDimitry Andric #define LLVM_LIB_TARGET_MSP430_MSP430MACHINEFUNCTIONINFO_H 150b57cec5SDimitry Andric 160b57cec5SDimitry Andric #include "llvm/CodeGen/MachineFunction.h" 170b57cec5SDimitry Andric 180b57cec5SDimitry Andric namespace llvm { 190b57cec5SDimitry Andric 200b57cec5SDimitry Andric /// MSP430MachineFunctionInfo - This class is derived from MachineFunction and 210b57cec5SDimitry Andric /// contains private MSP430 target-specific information for each MachineFunction. 220b57cec5SDimitry Andric class MSP430MachineFunctionInfo : public MachineFunctionInfo { 230b57cec5SDimitry Andric virtual void anchor(); 240b57cec5SDimitry Andric 250b57cec5SDimitry Andric /// CalleeSavedFrameSize - Size of the callee-saved register portion of the 260b57cec5SDimitry Andric /// stack frame in bytes. 27*480093f4SDimitry Andric unsigned CalleeSavedFrameSize = 0; 280b57cec5SDimitry Andric 290b57cec5SDimitry Andric /// ReturnAddrIndex - FrameIndex for return slot. 30*480093f4SDimitry Andric int ReturnAddrIndex = 0; 310b57cec5SDimitry Andric 320b57cec5SDimitry Andric /// VarArgsFrameIndex - FrameIndex for start of varargs area. 33*480093f4SDimitry Andric int VarArgsFrameIndex = 0; 340b57cec5SDimitry Andric 350b57cec5SDimitry Andric /// SRetReturnReg - Some subtargets require that sret lowering includes 360b57cec5SDimitry Andric /// returning the value of the returned struct in a register. This field 370b57cec5SDimitry Andric /// holds the virtual register into which the sret argument is passed. 38*480093f4SDimitry Andric unsigned SRetReturnReg = 0; 390b57cec5SDimitry Andric 400b57cec5SDimitry Andric public: 41*480093f4SDimitry Andric MSP430MachineFunctionInfo() = default; 420b57cec5SDimitry Andric 430b57cec5SDimitry Andric explicit MSP430MachineFunctionInfo(MachineFunction &MF) 440b57cec5SDimitry Andric : CalleeSavedFrameSize(0), ReturnAddrIndex(0), SRetReturnReg(0) {} 450b57cec5SDimitry Andric 460b57cec5SDimitry Andric unsigned getCalleeSavedFrameSize() const { return CalleeSavedFrameSize; } 470b57cec5SDimitry Andric void setCalleeSavedFrameSize(unsigned bytes) { CalleeSavedFrameSize = bytes; } 480b57cec5SDimitry Andric 490b57cec5SDimitry Andric unsigned getSRetReturnReg() const { return SRetReturnReg; } 500b57cec5SDimitry Andric void setSRetReturnReg(unsigned Reg) { SRetReturnReg = Reg; } 510b57cec5SDimitry Andric 520b57cec5SDimitry Andric int getRAIndex() const { return ReturnAddrIndex; } 530b57cec5SDimitry Andric void setRAIndex(int Index) { ReturnAddrIndex = Index; } 540b57cec5SDimitry Andric 550b57cec5SDimitry Andric int getVarArgsFrameIndex() const { return VarArgsFrameIndex;} 560b57cec5SDimitry Andric void setVarArgsFrameIndex(int Index) { VarArgsFrameIndex = Index; } 570b57cec5SDimitry Andric }; 580b57cec5SDimitry Andric 590b57cec5SDimitry Andric } // End llvm namespace 600b57cec5SDimitry Andric 610b57cec5SDimitry Andric #endif 62