namespace llvm {
class MCSymbol;
+ class X86TargetMachine;
class X86FrameInfo : public TargetFrameInfo {
-protected:
+ const X86TargetMachine &TM;
const X86Subtarget &STI;
-
public:
- explicit X86FrameInfo(const X86Subtarget &sti)
+ explicit X86FrameInfo(const X86TargetMachine &tm, const X86Subtarget &sti)
: TargetFrameInfo(StackGrowsDown,
sti.getStackAlignment(),
(sti.isTargetWin64() ? -40 : (sti.is64Bit() ? -8 : -4))),
- STI(sti) {
+ TM(tm), STI(sti) {
}
void emitCalleeSavedFrameMoves(MachineFunction &MF, MCSymbol *Label,
void emitPrologue(MachineFunction &MF) const;
void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
+ void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
+ RegScavenger *RS = NULL) const;
+
+ bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ const std::vector<CalleeSavedInfo> &CSI,
+ const TargetRegisterInfo *TRI) const;
+
+ bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ const std::vector<CalleeSavedInfo> &CSI,
+ const TargetRegisterInfo *TRI) const;
+
bool hasFP(const MachineFunction &MF) const;
bool hasReservedCallFrame(const MachineFunction &MF) const;
+ void getInitialFrameState(std::vector<MachineMove> &Moves) const;
+ int getFrameIndexOffset(const MachineFunction &MF, int FI) const;
};
} // End llvm namespace