f1777a87e114171cd318d11c407eb1e0eb218210
1 //===-- XCoreMachineFuctionInfo.h - XCore 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 XCore-specific per-machine-function information.
11 //
12 //===----------------------------------------------------------------------===//
14 #ifndef XCOREMACHINEFUNCTIONINFO_H
15 #define XCOREMACHINEFUNCTIONINFO_H
17 #include "llvm/CodeGen/MachineFrameInfo.h"
18 #include "llvm/CodeGen/MachineFunction.h"
19 #include <vector>
21 namespace llvm {
23 // Forward declarations
24 class Function;
26 /// XCoreFunctionInfo - This class is derived from MachineFunction private
27 /// XCore target-specific information for each MachineFunction.
28 class XCoreFunctionInfo : public MachineFunctionInfo {
29 virtual void anchor();
30 bool LRSpillSlotSet;
31 int LRSpillSlot;
32 bool FPSpillSlotSet;
33 int FPSpillSlot;
34 bool EHSpillSlotSet;
35 int EHSpillSlot[2];
36 int VarArgsFrameIndex;
37 mutable int CachedEStackSize;
38 std::vector<std::pair<MCSymbol*, CalleeSavedInfo> > SpillLabels;
40 public:
41 XCoreFunctionInfo() :
42 LRSpillSlotSet(false),
43 FPSpillSlotSet(false),
44 EHSpillSlotSet(false),
45 VarArgsFrameIndex(0),
46 CachedEStackSize(-1) {}
48 explicit XCoreFunctionInfo(MachineFunction &MF) :
49 LRSpillSlotSet(false),
50 FPSpillSlotSet(false),
51 EHSpillSlotSet(false),
52 VarArgsFrameIndex(0),
53 CachedEStackSize(-1) {}
55 ~XCoreFunctionInfo() {}
57 void setVarArgsFrameIndex(int off) { VarArgsFrameIndex = off; }
58 int getVarArgsFrameIndex() const { return VarArgsFrameIndex; }
60 int createLRSpillSlot(MachineFunction &MF);
61 bool hasLRSpillSlot() { return LRSpillSlotSet; }
62 int getLRSpillSlot() const {
63 assert(LRSpillSlotSet && "LR Spill slot not set");
64 return LRSpillSlot;
65 }
67 int createFPSpillSlot(MachineFunction &MF);
68 bool hasFPSpillSlot() { return FPSpillSlotSet; }
69 int getFPSpillSlot() const {
70 assert(FPSpillSlotSet && "FP Spill slot not set");
71 return FPSpillSlot;
72 }
74 const int* createEHSpillSlot(MachineFunction &MF);
75 bool hasEHSpillSlot() { return EHSpillSlotSet; }
76 const int* getEHSpillSlot() const {
77 assert(EHSpillSlotSet && "EH Spill slot not set");
78 return EHSpillSlot;
79 }
81 bool isLargeFrame(const MachineFunction &MF) const;
83 std::vector<std::pair<MCSymbol*, CalleeSavedInfo> > &getSpillLabels() {
84 return SpillLabels;
85 }
86 };
87 } // End llvm namespace
89 #endif // XCOREMACHINEFUNCTIONINFO_H