- // Range of frame object indices.
- // InArgFIRange: Range of indices of all frame objects created during call to
- // LowerFormalArguments.
- // OutArgFIRange: Range of indices of all frame objects created during call to
- // 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
- bool HasCall; // True if function has a function call.
- int MaxCallFrameSize;
-public:
- MipsFunctionInfo(MachineFunction& MF)
- : CPUTopSavedRegOff(0),
- FPUTopSavedRegOff(0), GPHolder(-1,-1), HasLoadArgs(false),
- HasStoreVarArgs(false), SRetReturnReg(0), GlobalBaseReg(0),
- VarArgsFrameIndex(0), InArgFIRange(std::make_pair(-1, 0)),
- OutArgFIRange(std::make_pair(-1, 0)), GPFI(0), HasCall(false),
- MaxCallFrameSize(-1)
- {}
-
- int getCPUTopSavedRegOff() const { return CPUTopSavedRegOff; }
- void setCPUTopSavedRegOff(int Off) { CPUTopSavedRegOff = Off; }
-
- int getFPUTopSavedRegOff() const { return FPUTopSavedRegOff; }
- void setFPUTopSavedRegOff(int Off) { FPUTopSavedRegOff = Off; }
-
- bool isInArgFI(int FI) const {
- return FI <= InArgFIRange.first && FI >= InArgFIRange.second;
- }
- void setLastInArgFI(int FI) { InArgFIRange.second = FI; }
-
- bool isOutArgFI(int FI) const {
- return FI <= OutArgFIRange.first && FI >= OutArgFIRange.second;
- }
- void extendOutArgFIRange(int FirstFI, int LastFI) {
- if (!OutArgFIRange.second)
- // this must be the first time this function was called.
- OutArgFIRange.first = FirstFI;
- OutArgFIRange.second = LastFI;
- }