1//===- SparcMachineFunctionInfo.h - Sparc 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-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file declares  Sparc specific per-machine-function information.
10//
11//===----------------------------------------------------------------------===//
12#ifndef LLVM_LIB_TARGET_SPARC_SPARCMACHINEFUNCTIONINFO_H
13#define LLVM_LIB_TARGET_SPARC_SPARCMACHINEFUNCTIONINFO_H
14
15#include "llvm/CodeGen/MachineFunction.h"
16
17namespace llvm {
18
19  class SparcMachineFunctionInfo : public MachineFunctionInfo {
20    virtual void anchor();
21  private:
22    Register GlobalBaseReg;
23
24    /// VarArgsFrameOffset - Frame offset to start of varargs area.
25    int VarArgsFrameOffset;
26
27    /// SRetReturnReg - Holds the virtual register into which the sret
28    /// argument is passed.
29    Register SRetReturnReg;
30
31    /// IsLeafProc - True if the function is a leaf procedure.
32    bool IsLeafProc;
33  public:
34    SparcMachineFunctionInfo()
35      : GlobalBaseReg(0), VarArgsFrameOffset(0), SRetReturnReg(0),
36        IsLeafProc(false) {}
37    SparcMachineFunctionInfo(const Function &F, const TargetSubtargetInfo *STI)
38        : GlobalBaseReg(0), VarArgsFrameOffset(0), SRetReturnReg(0),
39          IsLeafProc(false) {}
40
41    MachineFunctionInfo *
42    clone(BumpPtrAllocator &Allocator, MachineFunction &DestMF,
43          const DenseMap<MachineBasicBlock *, MachineBasicBlock *> &Src2DstMBB)
44        const override;
45
46    Register getGlobalBaseReg() const { return GlobalBaseReg; }
47    void setGlobalBaseReg(Register Reg) { GlobalBaseReg = Reg; }
48
49    int getVarArgsFrameOffset() const { return VarArgsFrameOffset; }
50    void setVarArgsFrameOffset(int Offset) { VarArgsFrameOffset = Offset; }
51
52    Register getSRetReturnReg() const { return SRetReturnReg; }
53    void setSRetReturnReg(Register Reg) { SRetReturnReg = Reg; }
54
55    void setLeafProc(bool rhs) { IsLeafProc = rhs; }
56    bool isLeafProc() const { return IsLeafProc; }
57  };
58}
59
60#endif
61