| //=== MSP430MachineFunctionInfo.h - MSP430 machine function info -*- C++ -*-==// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file declares MSP430-specific per-machine-function information. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIB_TARGET_MSP430_MSP430MACHINEFUNCTIONINFO_H |
| #define LLVM_LIB_TARGET_MSP430_MSP430MACHINEFUNCTIONINFO_H |
| |
| #include "llvm/CodeGen/MachineFunction.h" |
| |
| namespace llvm { |
| |
| /// MSP430MachineFunctionInfo - This class is derived from MachineFunction and |
| /// contains private MSP430 target-specific information for each MachineFunction. |
| class MSP430MachineFunctionInfo : public MachineFunctionInfo { |
| virtual void anchor(); |
| |
| /// CalleeSavedFrameSize - Size of the callee-saved register portion of the |
| /// stack frame in bytes. |
| unsigned CalleeSavedFrameSize = 0; |
| |
| /// ReturnAddrIndex - FrameIndex for return slot. |
| int ReturnAddrIndex = 0; |
| |
| /// VarArgsFrameIndex - FrameIndex for start of varargs area. |
| int VarArgsFrameIndex = 0; |
| |
| /// SRetReturnReg - Some subtargets require that sret lowering includes |
| /// returning the value of the returned struct in a register. This field |
| /// holds the virtual register into which the sret argument is passed. |
| Register SRetReturnReg; |
| |
| public: |
| MSP430MachineFunctionInfo() = default; |
| |
| explicit MSP430MachineFunctionInfo(MachineFunction &MF) |
| : CalleeSavedFrameSize(0), ReturnAddrIndex(0), SRetReturnReg(0) {} |
| |
| unsigned getCalleeSavedFrameSize() const { return CalleeSavedFrameSize; } |
| void setCalleeSavedFrameSize(unsigned bytes) { CalleeSavedFrameSize = bytes; } |
| |
| Register getSRetReturnReg() const { return SRetReturnReg; } |
| void setSRetReturnReg(Register Reg) { SRetReturnReg = Reg; } |
| |
| int getRAIndex() const { return ReturnAddrIndex; } |
| void setRAIndex(int Index) { ReturnAddrIndex = Index; } |
| |
| int getVarArgsFrameIndex() const { return VarArgsFrameIndex;} |
| void setVarArgsFrameIndex(int Index) { VarArgsFrameIndex = Index; } |
| }; |
| |
| } // End llvm namespace |
| |
| #endif |