1 //=- RISCVMachineFunctionInfo.h - RISCV machine function info -----*- C++ -*-=//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file declares RISCV-specific per-machine-function information.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_LIB_TARGET_RISCV_RISCVMACHINEFUNCTIONINFO_H
15 #define LLVM_LIB_TARGET_RISCV_RISCVMACHINEFUNCTIONINFO_H
16 
17 #include "llvm/CodeGen/MachineFunction.h"
18 
19 namespace llvm {
20 
21 /// RISCVMachineFunctionInfo - This class is derived from MachineFunctionInfo
22 /// and contains private RISCV-specific information for each MachineFunction.
23 class RISCVMachineFunctionInfo : public MachineFunctionInfo {
24 
25   /// FrameIndex for start of varargs area
26   int VarArgsFrameIndex = 0;
27   /// Size of the save area used for varargs
28   int VarArgsSaveSize = 0;
29 
30 public:
31   RISCVMachineFunctionInfo() = default;
32 
33   explicit RISCVMachineFunctionInfo(MachineFunction &MF) {}
34 
35   int getVarArgsFrameIndex() const { return VarArgsFrameIndex; }
36   void setVarArgsFrameIndex(int Index) { VarArgsFrameIndex = Index; }
37 
38   unsigned getVarArgsSaveSize() const { return VarArgsSaveSize; }
39   void setVarArgsSaveSize(int Size) { VarArgsSaveSize = Size; }
40 };
41 
42 } // end namespace llvm
43 
44 #endif // LLVM_LIB_TARGET_RISCV_RISCVMACHINEFUNCTIONINFO_H
45