MipsMachineFunction.h [plain text]
#ifndef LLVM_LIB_TARGET_MIPS_MIPSMACHINEFUNCTION_H
#define LLVM_LIB_TARGET_MIPS_MIPSMACHINEFUNCTION_H
#include "Mips16HardFloatInfo.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineMemOperand.h"
#include "llvm/CodeGen/PseudoSourceValue.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/IR/ValueMap.h"
#include "llvm/Target/TargetFrameLowering.h"
#include "llvm/Target/TargetMachine.h"
#include <map>
#include <string>
#include <utility>
namespace llvm {
class MipsCallEntry : public PseudoSourceValue {
public:
explicit MipsCallEntry(StringRef N);
explicit MipsCallEntry(const GlobalValue *V);
bool isConstant(const MachineFrameInfo *) const override;
bool isAliased(const MachineFrameInfo *) const override;
bool mayAlias(const MachineFrameInfo *) const override;
private:
void printCustom(raw_ostream &O) const override;
#ifndef NDEBUG
std::string Name;
const GlobalValue *Val;
#endif
};
class MipsFunctionInfo : public MachineFunctionInfo {
public:
MipsFunctionInfo(MachineFunction &MF)
: MF(MF), SRetReturnReg(0), GlobalBaseReg(0), Mips16SPAliasReg(0),
VarArgsFrameIndex(0), CallsEhReturn(false), SaveS2(false),
MoveF64ViaSpillFI(-1) {}
~MipsFunctionInfo();
unsigned getSRetReturnReg() const { return SRetReturnReg; }
void setSRetReturnReg(unsigned Reg) { SRetReturnReg = Reg; }
bool globalBaseRegSet() const;
unsigned getGlobalBaseReg();
bool mips16SPAliasRegSet() const;
unsigned getMips16SPAliasReg();
int getVarArgsFrameIndex() const { return VarArgsFrameIndex; }
void setVarArgsFrameIndex(int Index) { VarArgsFrameIndex = Index; }
bool hasByvalArg() const { return HasByvalArg; }
void setFormalArgInfo(unsigned Size, bool HasByval) {
IncomingArgSize = Size;
HasByvalArg = HasByval;
}
unsigned getIncomingArgSize() const { return IncomingArgSize; }
bool callsEhReturn() const { return CallsEhReturn; }
void setCallsEhReturn() { CallsEhReturn = true; }
void createEhDataRegsFI();
int getEhDataRegFI(unsigned Reg) const { return EhDataRegFI[Reg]; }
bool isEhDataRegFI(int FI) const;
MachinePointerInfo callPtrInfo(StringRef Name);
MachinePointerInfo callPtrInfo(const GlobalValue *Val);
void setSaveS2() { SaveS2 = true; }
bool hasSaveS2() const { return SaveS2; }
int getMoveF64ViaSpillFI(const TargetRegisterClass *RC);
std::map<const char *, const llvm::Mips16HardFloatInfo::FuncSignature *>
StubsNeeded;
private:
virtual void anchor();
MachineFunction& MF;
unsigned SRetReturnReg;
unsigned GlobalBaseReg;
unsigned Mips16SPAliasReg;
int VarArgsFrameIndex;
bool HasByvalArg;
unsigned IncomingArgSize;
bool CallsEhReturn;
int EhDataRegFI[4];
bool SaveS2;
int MoveF64ViaSpillFI;
StringMap<const MipsCallEntry *> ExternalCallEntries;
ValueMap<const GlobalValue *, const MipsCallEntry *> GlobalCallEntries;
};
}
#endif