1 //=- LoongArchMachineFunctionInfo.h - LoongArch machine function info -----===//
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 LoongArch-specific per-machine-function information.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_LIB_TARGET_LOONGARCH_LOONGARCHMACHINEFUNCTIONINFO_H
14 #define LLVM_LIB_TARGET_LOONGARCH_LOONGARCHMACHINEFUNCTIONINFO_H
15 
16 #include "LoongArchSubtarget.h"
17 #include "llvm/CodeGen/MachineFrameInfo.h"
18 #include "llvm/CodeGen/MachineFunction.h"
19 
20 namespace llvm {
21 
22 /// LoongArchMachineFunctionInfo - This class is derived from
23 /// MachineFunctionInfo and contains private LoongArch-specific information for
24 /// each MachineFunction.
25 class LoongArchMachineFunctionInfo : public MachineFunctionInfo {
26 private:
27   /// FrameIndex for start of varargs area
28   int VarArgsFrameIndex = 0;
29   /// Size of the save area used for varargs
30   int VarArgsSaveSize = 0;
31 
32   /// Size of stack frame to save callee saved registers
33   unsigned CalleeSavedStackSize = 0;
34 
35 public:
36   LoongArchMachineFunctionInfo(const MachineFunction &MF) {}
37 
38   int getVarArgsFrameIndex() const { return VarArgsFrameIndex; }
39   void setVarArgsFrameIndex(int Index) { VarArgsFrameIndex = Index; }
40 
41   unsigned getVarArgsSaveSize() const { return VarArgsSaveSize; }
42   void setVarArgsSaveSize(int Size) { VarArgsSaveSize = Size; }
43 
44   unsigned getCalleeSavedStackSize() const { return CalleeSavedStackSize; }
45   void setCalleeSavedStackSize(unsigned Size) { CalleeSavedStackSize = Size; }
46 };
47 
48 } // end namespace llvm
49 
50 #endif // LLVM_LIB_TARGET_LOONGARCH_LOONGARCHMACHINEFUNCTIONINFO_H
51