//
//===----------------------------------------------------------------------===//
-#ifndef PPC_MACHINE_FUNCTION_INFO_H
-#define PPC_MACHINE_FUNCTION_INFO_H
+#ifndef LLVM_LIB_TARGET_POWERPC_PPCMACHINEFUNCTIONINFO_H
+#define LLVM_LIB_TARGET_POWERPC_PPCMACHINEFUNCTIONINFO_H
#include "llvm/CodeGen/MachineFunction.h"
///
int ReturnAddrSaveIndex;
+ /// Frame index where the old base pointer is stored.
+ int BasePointerSaveIndex;
+
+ /// Frame index where the old PIC base pointer is stored.
+ int PICBasePointerSaveIndex;
+
/// MustSaveLR - Indicates whether LR is defined (or clobbered) in the current
/// function. This is only valid after the initial scan of the function by
/// PEI.
bool MustSaveLR;
+ /// 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
/// entry, even though LR may otherwise apparently not be used.
bool LRStoreRequired;
+ /// This function makes use of the PPC64 ELF TOC base pointer (register r2).
+ bool UsesTOCBasePtr;
+
/// MinReservedArea - This is the frame size that is at least reserved in a
/// potential caller (parameter+linkage area).
unsigned MinReservedArea;
/// register for parameter passing.
unsigned VarArgsNumFPR;
+ /// 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;
+
+ /// Hold onto our MachineFunction context.
+ MachineFunction &MF;
+
+ /// Whether this uses the PIC Base register or not.
+ bool UsesPICBase;
+
public:
explicit PPCFunctionInfo(MachineFunction &MF)
: FramePointerSaveIndex(0),
ReturnAddrSaveIndex(0),
+ BasePointerSaveIndex(0),
+ PICBasePointerSaveIndex(0),
+ HasSpills(false),
+ HasNonRISpills(false),
SpillsCR(false),
+ SpillsVRSAVE(false),
LRStoreRequired(false),
+ UsesTOCBasePtr(false),
MinReservedArea(0),
TailCallSPDelta(0),
HasFastCall(false),
VarArgsFrameIndex(0),
VarArgsStackOffset(0),
VarArgsNumGPR(0),
- VarArgsNumFPR(0) {}
+ VarArgsNumFPR(0),
+ CRSpillFrameIndex(0),
+ MF(MF),
+ UsesPICBase(0) {}
int getFramePointerSaveIndex() const { return FramePointerSaveIndex; }
void setFramePointerSaveIndex(int Idx) { FramePointerSaveIndex = Idx; }
int getReturnAddrSaveIndex() const { return ReturnAddrSaveIndex; }
void setReturnAddrSaveIndex(int idx) { ReturnAddrSaveIndex = idx; }
+ int getBasePointerSaveIndex() const { return BasePointerSaveIndex; }
+ void setBasePointerSaveIndex(int Idx) { BasePointerSaveIndex = Idx; }
+
+ int getPICBasePointerSaveIndex() const { return PICBasePointerSaveIndex; }
+ void setPICBasePointerSaveIndex(int Idx) { PICBasePointerSaveIndex = Idx; }
+
unsigned getMinReservedArea() const { return MinReservedArea; }
void setMinReservedArea(unsigned size) { MinReservedArea = size; }
void setMustSaveLR(bool U) { MustSaveLR = U; }
bool mustSaveLR() const { return MustSaveLR; }
+ 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; }
+ void setUsesTOCBasePtr() { UsesTOCBasePtr = true; }
+ bool usesTOCBasePtr() const { return UsesTOCBasePtr; }
+
void setHasFastCall() { HasFastCall = true; }
bool hasFastCall() const { return HasFastCall;}
unsigned getVarArgsNumFPR() const { return VarArgsNumFPR; }
void setVarArgsNumFPR(unsigned Num) { VarArgsNumFPR = Num; }
+
+ int getCRSpillFrameIndex() const { return CRSpillFrameIndex; }
+ void setCRSpillFrameIndex(int idx) { CRSpillFrameIndex = idx; }
+
+ const SmallVectorImpl<unsigned> &
+ getMustSaveCRs() const { return MustSaveCRs; }
+ void addMustSaveCR(unsigned Reg) { MustSaveCRs.push_back(Reg); }
+
+ void setUsesPICBase(bool uses) { UsesPICBase = uses; }
+ bool usesPICBase() const { return UsesPICBase; }
+
+ MCSymbol *getPICOffsetSymbol() const;
};
} // end of namespace llvm