//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the Evan Cheng and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
/// contains stack pointer re-alignment code which requires FP.
bool ForceFramePointer;
- /// BytesToPopOnReturn - amount of bytes function pops on return.
+ /// CalleeSavedFrameSize - Size of the callee-saved register portion of the
+ /// stack frame in bytes.
+ unsigned CalleeSavedFrameSize;
+
+ /// BytesToPopOnReturn - Number of bytes function pops on return.
/// Used on windows platform for stdcall & fastcall name decoration
unsigned BytesToPopOnReturn;
- /// If the function requires additional name decoration, DecorationStyle holds
- /// the right way to do so.
+ /// 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
+ 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) {}
+ DecorationStyle(None),
+ ReturnAddrIndex(0),
+ TailCallReturnAddrDelta(0),
+ SRetReturnReg(0),
+ GlobalBaseReg(0) {}
X86MachineFunctionInfo(MachineFunction &MF) : ForceFramePointer(false),
+ CalleeSavedFrameSize(0),
BytesToPopOnReturn(0),
- DecorationStyle(None) {}
+ DecorationStyle(None),
+ ReturnAddrIndex(0),
+ TailCallReturnAddrDelta(0),
+ SRetReturnReg(0),
+ GlobalBaseReg(0) {}
bool getForceFramePointer() const { return ForceFramePointer;}
void setForceFramePointer(bool forceFP) { ForceFramePointer = forceFP; }
+ unsigned getCalleeSavedFrameSize() const { return CalleeSavedFrameSize; }
+ void setCalleeSavedFrameSize(unsigned bytes) { CalleeSavedFrameSize = bytes; }
+
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