diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86MachineFunctionInfo.h')
| -rw-r--r-- | llvm/lib/Target/X86/X86MachineFunctionInfo.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/X86MachineFunctionInfo.h b/llvm/lib/Target/X86/X86MachineFunctionInfo.h index e50a104f216..05972c66c27 100644 --- a/llvm/lib/Target/X86/X86MachineFunctionInfo.h +++ b/llvm/lib/Target/X86/X86MachineFunctionInfo.h @@ -47,18 +47,26 @@ class X86MachineFunctionInfo : public MachineFunctionInfo { // FrameIndex for return slot. int ReturnAddrIndex; + + // 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; + public: X86MachineFunctionInfo() : ForceFramePointer(false), CalleeSavedFrameSize(0), BytesToPopOnReturn(0), DecorationStyle(None), - ReturnAddrIndex(0) {} + ReturnAddrIndex(0), + TailCallReturnAddrDelta(0){} X86MachineFunctionInfo(MachineFunction &MF) : ForceFramePointer(false), CalleeSavedFrameSize(0), BytesToPopOnReturn(0), DecorationStyle(None), - ReturnAddrIndex(0) {} + ReturnAddrIndex(0), + TailCallReturnAddrDelta(0) {} bool getForceFramePointer() const { return ForceFramePointer;} void setForceFramePointer(bool forceFP) { ForceFramePointer = forceFP; } @@ -74,6 +82,9 @@ public: int getRAIndex() const { return ReturnAddrIndex; } void setRAIndex(int Index) { ReturnAddrIndex = Index; } + + int getTCReturnAddrDelta() const { return TailCallReturnAddrDelta; } + void setTCReturnAddrDelta(int delta) {TailCallReturnAddrDelta = delta;} }; } // End llvm namespace |
