class MipsFunctionInfo : public MachineFunctionInfo {
private:
- MachineFunction& MF;
/// SRetReturnReg - Some subtargets require that sret lowering includes
/// returning the value of the returned struct in a register. This field
/// holds the virtual register into which the sret argument is passed.
// LowerCall except for the frame object for restoring $gp.
std::pair<int, int> InArgFIRange, OutArgFIRange;
int GPFI; // Index of the frame object for restoring $gp
- mutable int DynAllocFI; // Frame index of dynamically allocated stack area.
unsigned MaxCallFrameSize;
/// AtomicFrameIndex - To implement atomic.swap and atomic.cmp.swap
int AtomicFrameIndex;
public:
MipsFunctionInfo(MachineFunction& MF)
- : MF(MF), SRetReturnReg(0), GlobalBaseReg(0),
+ : SRetReturnReg(0), GlobalBaseReg(0),
VarArgsFrameIndex(0), InArgFIRange(std::make_pair(-1, 0)),
- OutArgFIRange(std::make_pair(-1, 0)), GPFI(0), DynAllocFI(0),
- MaxCallFrameSize(0), AtomicFrameIndex(-1)
+ OutArgFIRange(std::make_pair(-1, 0)), GPFI(0), MaxCallFrameSize(0),
+ AtomicFrameIndex(-1)
{}
bool isInArgFI(int FI) const {
bool needGPSaveRestore() const { return getGPFI(); }
bool isGPFI(int FI) const { return GPFI && GPFI == FI; }
- // The first call to this function creates a frame object for dynamically
- // allocated stack area.
- int getDynAllocFI() const {
- if (!DynAllocFI)
- DynAllocFI = MF.getFrameInfo()->CreateFixedObject(4, 0, true);
-
- return DynAllocFI;
- }
- bool isDynAllocFI(int FI) const { return DynAllocFI && DynAllocFI == FI; }
-
unsigned getSRetReturnReg() const { return SRetReturnReg; }
void setSRetReturnReg(unsigned Reg) { SRetReturnReg = Reg; }