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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-exception6//7//===----------------------------------------------------------------------===//8//9// This file declares MSP430-specific per-machine-function information.10//11//===----------------------------------------------------------------------===//12 13#ifndef LLVM_LIB_TARGET_MSP430_MSP430MACHINEFUNCTIONINFO_H14#define LLVM_LIB_TARGET_MSP430_MSP430MACHINEFUNCTIONINFO_H15 16#include "llvm/CodeGen/MachineFunction.h"17 18namespace llvm {19 20/// MSP430MachineFunctionInfo - This class is derived from MachineFunction and21/// 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 the26 /// 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 includes36 /// returning the value of the returned struct in a register. This field37 /// holds the virtual register into which the sret argument is passed.38 Register SRetReturnReg;39 40public:41 MSP430MachineFunctionInfo() = default;42 43 MSP430MachineFunctionInfo(const Function &F, const TargetSubtargetInfo *STI)44 : CalleeSavedFrameSize(0), ReturnAddrIndex(0), SRetReturnReg(0) {}45 46 MachineFunctionInfo *47 clone(BumpPtrAllocator &Allocator, MachineFunction &DestMF,48 const DenseMap<MachineBasicBlock *, MachineBasicBlock *> &Src2DstMBB)49 const override;50 51 unsigned getCalleeSavedFrameSize() const { return CalleeSavedFrameSize; }52 void setCalleeSavedFrameSize(unsigned bytes) { CalleeSavedFrameSize = bytes; }53 54 Register getSRetReturnReg() const { return SRetReturnReg; }55 void setSRetReturnReg(Register Reg) { SRetReturnReg = Reg; }56 57 int getRAIndex() const { return ReturnAddrIndex; }58 void setRAIndex(int Index) { ReturnAddrIndex = Index; }59 60 int getVarArgsFrameIndex() const { return VarArgsFrameIndex;}61 void setVarArgsFrameIndex(int Index) { VarArgsFrameIndex = Index; }62};63 64} // End llvm namespace65 66#endif67