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 | /// FrameIndex of the spill slot when there is no scavenged register in |
36 | /// insertIndirectBranch. |
37 | int BranchRelaxationSpillFrameIndex = -1; |
38 | |
39 | public: |
40 | LoongArchMachineFunctionInfo(const Function &F, |
41 | const TargetSubtargetInfo *STI) {} |
42 | |
43 | MachineFunctionInfo * |
44 | clone(BumpPtrAllocator &Allocator, MachineFunction &DestMF, |
45 | const DenseMap<MachineBasicBlock *, MachineBasicBlock *> &Src2DstMBB) |
46 | const override { |
47 | return DestMF.cloneInfo<LoongArchMachineFunctionInfo>(Old: *this); |
48 | } |
49 | |
50 | int getVarArgsFrameIndex() const { return VarArgsFrameIndex; } |
51 | void setVarArgsFrameIndex(int Index) { VarArgsFrameIndex = Index; } |
52 | |
53 | unsigned getVarArgsSaveSize() const { return VarArgsSaveSize; } |
54 | void setVarArgsSaveSize(int Size) { VarArgsSaveSize = Size; } |
55 | |
56 | unsigned getCalleeSavedStackSize() const { return CalleeSavedStackSize; } |
57 | void setCalleeSavedStackSize(unsigned Size) { CalleeSavedStackSize = Size; } |
58 | |
59 | int getBranchRelaxationSpillFrameIndex() { |
60 | return BranchRelaxationSpillFrameIndex; |
61 | } |
62 | void setBranchRelaxationSpillFrameIndex(int Index) { |
63 | BranchRelaxationSpillFrameIndex = Index; |
64 | } |
65 | }; |
66 | |
67 | } // end namespace llvm |
68 | |
69 | #endif // LLVM_LIB_TARGET_LOONGARCH_LOONGARCHMACHINEFUNCTIONINFO_H |
70 | |