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. 27480093f4SDimitry Andric unsigned CalleeSavedFrameSize = 0; 280b57cec5SDimitry Andric 290b57cec5SDimitry Andric /// ReturnAddrIndex - FrameIndex for return slot. 30480093f4SDimitry Andric int ReturnAddrIndex = 0; 310b57cec5SDimitry Andric 320b57cec5SDimitry Andric /// VarArgsFrameIndex - FrameIndex for start of varargs area. 33480093f4SDimitry 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. 385ffd83dbSDimitry Andric Register SRetReturnReg; 390b57cec5SDimitry Andric 400b57cec5SDimitry Andric public: 41480093f4SDimitry Andric MSP430MachineFunctionInfo() = default; 420b57cec5SDimitry Andric 430b57cec5SDimitry Andric explicit MSP430MachineFunctionInfo(MachineFunction &MF) 440b57cec5SDimitry Andric : CalleeSavedFrameSize(0), ReturnAddrIndex(0), SRetReturnReg(0) {} 450b57cec5SDimitry Andric 46*81ad6265SDimitry Andric MachineFunctionInfo * 47*81ad6265SDimitry Andric clone(BumpPtrAllocator &Allocator, MachineFunction &DestMF, 48*81ad6265SDimitry Andric const DenseMap<MachineBasicBlock *, MachineBasicBlock *> &Src2DstMBB) 49*81ad6265SDimitry Andric const override; 50*81ad6265SDimitry Andric 510b57cec5SDimitry Andric unsigned getCalleeSavedFrameSize() const { return CalleeSavedFrameSize; } 520b57cec5SDimitry Andric void setCalleeSavedFrameSize(unsigned bytes) { CalleeSavedFrameSize = bytes; } 530b57cec5SDimitry Andric 545ffd83dbSDimitry Andric Register getSRetReturnReg() const { return SRetReturnReg; } 555ffd83dbSDimitry Andric void setSRetReturnReg(Register Reg) { SRetReturnReg = Reg; } 560b57cec5SDimitry Andric 570b57cec5SDimitry Andric int getRAIndex() const { return ReturnAddrIndex; } 580b57cec5SDimitry Andric void setRAIndex(int Index) { ReturnAddrIndex = Index; } 590b57cec5SDimitry Andric 600b57cec5SDimitry Andric int getVarArgsFrameIndex() const { return VarArgsFrameIndex;} 610b57cec5SDimitry Andric void setVarArgsFrameIndex(int Index) { VarArgsFrameIndex = Index; } 620b57cec5SDimitry Andric }; 630b57cec5SDimitry Andric 640b57cec5SDimitry Andric } // End llvm namespace 650b57cec5SDimitry Andric 660b57cec5SDimitry Andric #endif 67