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 
17 namespace 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