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