namespace llvm {
-enum NameDecorationStyle {
- None,
- StdCall,
- FastCall
-};
-
-/// X86MachineFunctionInfo - This class is derived from MachineFunction private
-/// X86 target-specific information for each MachineFunction.
+/// X86MachineFunctionInfo - This class is derived from MachineFunction and
+/// contains private X86 target-specific information for each MachineFunction.
class X86MachineFunctionInfo : public MachineFunctionInfo {
/// ForceFramePointer - True if the function is required to use of frame
/// pointer for reasons other than it containing dynamic allocation or
/// Used on windows platform for stdcall & fastcall name decoration
unsigned BytesToPopOnReturn;
- /// DecorationStyle - If the function requires additional name decoration,
- /// DecorationStyle holds the right way to do so.
- NameDecorationStyle DecorationStyle;
-
/// ReturnAddrIndex - FrameIndex for return slot.
int ReturnAddrIndex;
- /// TailCallReturnAddrDelta - Delta the ReturnAddr stack slot is moved
- /// Used for creating an area before the register spill area on the stack
- /// the returnaddr can be savely move to this area
+ /// TailCallReturnAddrDelta - The number of bytes by which return address
+ /// stack slot is moved as the result of tail call optimization.
int TailCallReturnAddrDelta;
+ /// 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.
+ unsigned SRetReturnReg;
+
+ /// GlobalBaseReg - keeps track of the virtual register initialized for
+ /// use as the global base register. This is used for PIC in some PIC
+ /// relocation models.
+ unsigned GlobalBaseReg;
+
public:
X86MachineFunctionInfo() : ForceFramePointer(false),
CalleeSavedFrameSize(0),
BytesToPopOnReturn(0),
- DecorationStyle(None),
ReturnAddrIndex(0),
- TailCallReturnAddrDelta(0) {}
+ TailCallReturnAddrDelta(0),
+ SRetReturnReg(0),
+ GlobalBaseReg(0) {}
- X86MachineFunctionInfo(MachineFunction &MF) : ForceFramePointer(false),
- CalleeSavedFrameSize(0),
- BytesToPopOnReturn(0),
- DecorationStyle(None),
- ReturnAddrIndex(0),
- TailCallReturnAddrDelta(0) {}
+ explicit X86MachineFunctionInfo(MachineFunction &MF)
+ : ForceFramePointer(false),
+ CalleeSavedFrameSize(0),
+ BytesToPopOnReturn(0),
+ ReturnAddrIndex(0),
+ TailCallReturnAddrDelta(0),
+ SRetReturnReg(0),
+ GlobalBaseReg(0) {}
bool getForceFramePointer() const { return ForceFramePointer;}
void setForceFramePointer(bool forceFP) { ForceFramePointer = forceFP; }
unsigned getBytesToPopOnReturn() const { return BytesToPopOnReturn; }
void setBytesToPopOnReturn (unsigned bytes) { BytesToPopOnReturn = bytes;}
- NameDecorationStyle getDecorationStyle() const { return DecorationStyle; }
- void setDecorationStyle(NameDecorationStyle style) { DecorationStyle = style;}
-
int getRAIndex() const { return ReturnAddrIndex; }
void setRAIndex(int Index) { ReturnAddrIndex = Index; }
int getTCReturnAddrDelta() const { return TailCallReturnAddrDelta; }
void setTCReturnAddrDelta(int delta) {TailCallReturnAddrDelta = delta;}
+
+ unsigned getSRetReturnReg() const { return SRetReturnReg; }
+ void setSRetReturnReg(unsigned Reg) { SRetReturnReg = Reg; }
+
+ unsigned getGlobalBaseReg() const { return GlobalBaseReg; }
+ void setGlobalBaseReg(unsigned Reg) { GlobalBaseReg = Reg; }
};
+
} // End llvm namespace
#endif