-//====- XCoreMachineFuctionInfo.h - XCore machine function info -*- C++ -*-===//
+//===- XCoreMachineFunctionInfo.h - XCore machine function info -*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
//
//===----------------------------------------------------------------------===//
-#ifndef XCOREMACHINEFUNCTIONINFO_H
-#define XCOREMACHINEFUNCTIONINFO_H
+#ifndef LLVM_LIB_TARGET_XCORE_XCOREMACHINEFUNCTIONINFO_H
+#define LLVM_LIB_TARGET_XCORE_XCOREMACHINEFUNCTIONINFO_H
-#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
+#include "llvm/CodeGen/MachineFunction.h"
#include <vector>
namespace llvm {
/// XCoreFunctionInfo - This class is derived from MachineFunction private
/// XCore target-specific information for each MachineFunction.
class XCoreFunctionInfo : public MachineFunctionInfo {
-private:
- bool UsesLR;
+ virtual void anchor();
+ bool LRSpillSlotSet;
int LRSpillSlot;
+ bool FPSpillSlotSet;
int FPSpillSlot;
+ bool EHSpillSlotSet;
+ int EHSpillSlot[2];
+ unsigned ReturnStackOffset;
+ bool ReturnStackOffsetSet;
int VarArgsFrameIndex;
- std::vector<std::pair<unsigned, CalleeSavedInfo> > SpillLabels;
+ mutable int CachedEStackSize;
+ std::vector<std::pair<MachineBasicBlock::iterator, CalleeSavedInfo>>
+ SpillLabels;
public:
XCoreFunctionInfo() :
- UsesLR(false),
- LRSpillSlot(0),
- FPSpillSlot(0),
- VarArgsFrameIndex(0) {}
+ LRSpillSlotSet(false),
+ FPSpillSlotSet(false),
+ EHSpillSlotSet(false),
+ ReturnStackOffsetSet(false),
+ VarArgsFrameIndex(0),
+ CachedEStackSize(-1) {}
explicit XCoreFunctionInfo(MachineFunction &MF) :
- UsesLR(false),
- LRSpillSlot(0),
- FPSpillSlot(0),
- VarArgsFrameIndex(0) {}
+ LRSpillSlotSet(false),
+ FPSpillSlotSet(false),
+ EHSpillSlotSet(false),
+ ReturnStackOffsetSet(false),
+ VarArgsFrameIndex(0),
+ CachedEStackSize(-1) {}
~XCoreFunctionInfo() {}
void setVarArgsFrameIndex(int off) { VarArgsFrameIndex = off; }
int getVarArgsFrameIndex() const { return VarArgsFrameIndex; }
-
- void setUsesLR(bool val) { UsesLR = val; }
- bool getUsesLR() const { return UsesLR; }
-
- void setLRSpillSlot(int off) { LRSpillSlot = off; }
- int getLRSpillSlot() const { return LRSpillSlot; }
-
- void setFPSpillSlot(int off) { FPSpillSlot = off; }
- int getFPSpillSlot() const { return FPSpillSlot; }
-
- std::vector<std::pair<unsigned, CalleeSavedInfo> >&getSpillLabels() {
+
+ int createLRSpillSlot(MachineFunction &MF);
+ bool hasLRSpillSlot() { return LRSpillSlotSet; }
+ int getLRSpillSlot() const {
+ assert(LRSpillSlotSet && "LR Spill slot not set");
+ return LRSpillSlot;
+ }
+
+ int createFPSpillSlot(MachineFunction &MF);
+ bool hasFPSpillSlot() { return FPSpillSlotSet; }
+ int getFPSpillSlot() const {
+ assert(FPSpillSlotSet && "FP Spill slot not set");
+ return FPSpillSlot;
+ }
+
+ const int* createEHSpillSlot(MachineFunction &MF);
+ bool hasEHSpillSlot() { return EHSpillSlotSet; }
+ const int* getEHSpillSlot() const {
+ assert(EHSpillSlotSet && "EH Spill slot not set");
+ return EHSpillSlot;
+ }
+
+ void setReturnStackOffset(unsigned value) {
+ assert(!ReturnStackOffsetSet && "Return stack offset set twice");
+ ReturnStackOffset = value;
+ ReturnStackOffsetSet = true;
+ }
+
+ unsigned getReturnStackOffset() const {
+ assert(ReturnStackOffsetSet && "Return stack offset not set");
+ return ReturnStackOffset;
+ }
+
+ bool isLargeFrame(const MachineFunction &MF) const;
+
+ std::vector<std::pair<MachineBasicBlock::iterator, CalleeSavedInfo>> &
+ getSpillLabels() {
return SpillLabels;
}
};
} // End llvm namespace
-#endif // XCOREMACHINEFUNCTIONINFO_H
+#endif