/// Does this function have any stack spills.
bool HasSpills;
+ /// Does this function spill using instructions with only r+r (not r+i)
+ /// forms.
+ bool HasNonRISpills;
+
/// SpillsCR - Indicates whether CR is spilled in the current function.
bool SpillsCR;
+ /// Indicates whether VRSAVE is spilled in the current function.
+ bool SpillsVRSAVE;
+
/// LRStoreRequired - The bool indicates whether there is some explicit use of
/// the LR/LR8 stack slot that is not obvious from scanning the code. This
/// requires that the code generator produce a store of LR to the stack on
/// CRSpillFrameIndex - FrameIndex for CR spill slot for 32-bit SVR4.
int CRSpillFrameIndex;
+ /// If any of CR[2-4] need to be saved in the prologue and restored in the
+ /// epilogue then they are added to this array. This is used for the
+ /// 64-bit SVR4 ABI.
+ SmallVector<unsigned, 3> MustSaveCRs;
+
public:
explicit PPCFunctionInfo(MachineFunction &MF)
: FramePointerSaveIndex(0),
ReturnAddrSaveIndex(0),
HasSpills(false),
+ HasNonRISpills(false),
SpillsCR(false),
+ SpillsVRSAVE(false),
LRStoreRequired(false),
MinReservedArea(0),
TailCallSPDelta(0),
void setHasSpills() { HasSpills = true; }
bool hasSpills() const { return HasSpills; }
+ void setHasNonRISpills() { HasNonRISpills = true; }
+ bool hasNonRISpills() const { return HasNonRISpills; }
+
void setSpillsCR() { SpillsCR = true; }
bool isCRSpilled() const { return SpillsCR; }
+ void setSpillsVRSAVE() { SpillsVRSAVE = true; }
+ bool isVRSAVESpilled() const { return SpillsVRSAVE; }
+
void setLRStoreRequired() { LRStoreRequired = true; }
bool isLRStoreRequired() const { return LRStoreRequired; }
int getCRSpillFrameIndex() const { return CRSpillFrameIndex; }
void setCRSpillFrameIndex(int idx) { CRSpillFrameIndex = idx; }
+
+ const SmallVector<unsigned, 3> &
+ getMustSaveCRs() const { return MustSaveCRs; }
+ void addMustSaveCR(unsigned Reg) { MustSaveCRs.push_back(Reg); }
};
} // end of namespace llvm