#ifndef LLVM_LIB_TARGET_POWERPC_PPCSUBTARGET_H
#define LLVM_LIB_TARGET_POWERPC_PPCSUBTARGET_H
#include "PPCFrameLowering.h"
#include "PPCISelLowering.h"
#include "PPCInstrInfo.h"
#include "PPCSelectionDAGInfo.h"
#include "llvm/ADT/Triple.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/MC/MCInstrItineraries.h"
#include "llvm/Target/TargetSubtargetInfo.h"
#include <string>
#define GET_SUBTARGETINFO_HEADER
#include "PPCGenSubtargetInfo.inc"
#undef PPC
namespace llvm {
class StringRef;
namespace PPC {
enum {
DIR_NONE,
DIR_32,
DIR_440,
DIR_601,
DIR_602,
DIR_603,
DIR_7400,
DIR_750,
DIR_970,
DIR_A2,
DIR_E500mc,
DIR_E5500,
DIR_PWR3,
DIR_PWR4,
DIR_PWR5,
DIR_PWR5X,
DIR_PWR6,
DIR_PWR6X,
DIR_PWR7,
DIR_PWR8,
DIR_64
};
}
class GlobalValue;
class TargetMachine;
class PPCSubtarget : public PPCGenSubtargetInfo {
protected:
Triple TargetTriple;
unsigned StackAlignment;
InstrItineraryData InstrItins;
unsigned DarwinDirective;
bool HasMFOCRF;
bool Has64BitSupport;
bool Use64BitRegs;
bool UseCRBits;
bool IsPPC64;
bool HasAltivec;
bool HasSPE;
bool HasQPX;
bool HasVSX;
bool HasP8Vector;
bool HasP8Altivec;
bool HasFCPSGN;
bool HasFSQRT;
bool HasFRE, HasFRES, HasFRSQRTE, HasFRSQRTES;
bool HasRecipPrec;
bool HasSTFIWX;
bool HasLFIWAX;
bool HasFPRND;
bool HasFPCVT;
bool HasISEL;
bool HasPOPCNTD;
bool HasCMPB;
bool HasLDBRX;
bool IsBookE;
bool HasOnlyMSYNC;
bool IsE500;
bool IsPPC4xx;
bool IsPPC6xx;
bool DeprecatedMFTB;
bool DeprecatedDST;
bool HasLazyResolverStubs;
bool IsLittleEndian;
bool HasICBT;
bool HasInvariantFunctionDescriptors;
bool IsQPXStackUnaligned;
const PPCTargetMachine &TM;
PPCFrameLowering FrameLowering;
PPCInstrInfo InstrInfo;
PPCTargetLowering TLInfo;
PPCSelectionDAGInfo TSInfo;
public:
PPCSubtarget(const std::string &TT, const std::string &CPU,
const std::string &FS, const PPCTargetMachine &TM);
void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
unsigned getStackAlignment() const { return StackAlignment; }
unsigned getDarwinDirective() const { return DarwinDirective; }
const InstrItineraryData *getInstrItineraryData() const override {
return &InstrItins;
}
const PPCFrameLowering *getFrameLowering() const override {
return &FrameLowering;
}
const PPCInstrInfo *getInstrInfo() const override { return &InstrInfo; }
const PPCTargetLowering *getTargetLowering() const override {
return &TLInfo;
}
const PPCSelectionDAGInfo *getSelectionDAGInfo() const override {
return &TSInfo;
}
const PPCRegisterInfo *getRegisterInfo() const override {
return &getInstrInfo()->getRegisterInfo();
}
const PPCTargetMachine &getTargetMachine() const { return TM; }
PPCSubtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS);
private:
void initializeEnvironment();
void initSubtargetFeatures(StringRef CPU, StringRef FS);
public:
bool isPPC64() const;
bool has64BitSupport() const { return Has64BitSupport; }
bool use64BitRegs() const { return Use64BitRegs; }
bool useCRBits() const { return UseCRBits; }
bool hasLazyResolverStub(const GlobalValue *GV) const;
bool isLittleEndian() const { return IsLittleEndian; }
bool hasFCPSGN() const { return HasFCPSGN; }
bool hasFSQRT() const { return HasFSQRT; }
bool hasFRE() const { return HasFRE; }
bool hasFRES() const { return HasFRES; }
bool hasFRSQRTE() const { return HasFRSQRTE; }
bool hasFRSQRTES() const { return HasFRSQRTES; }
bool hasRecipPrec() const { return HasRecipPrec; }
bool hasSTFIWX() const { return HasSTFIWX; }
bool hasLFIWAX() const { return HasLFIWAX; }
bool hasFPRND() const { return HasFPRND; }
bool hasFPCVT() const { return HasFPCVT; }
bool hasAltivec() const { return HasAltivec; }
bool hasSPE() const { return HasSPE; }
bool hasQPX() const { return HasQPX; }
bool hasVSX() const { return HasVSX; }
bool hasP8Vector() const { return HasP8Vector; }
bool hasP8Altivec() const { return HasP8Altivec; }
bool hasMFOCRF() const { return HasMFOCRF; }
bool hasISEL() const { return HasISEL; }
bool hasPOPCNTD() const { return HasPOPCNTD; }
bool hasCMPB() const { return HasCMPB; }
bool hasLDBRX() const { return HasLDBRX; }
bool isBookE() const { return IsBookE; }
bool hasOnlyMSYNC() const { return HasOnlyMSYNC; }
bool isPPC4xx() const { return IsPPC4xx; }
bool isPPC6xx() const { return IsPPC6xx; }
bool isE500() const { return IsE500; }
bool isDeprecatedMFTB() const { return DeprecatedMFTB; }
bool isDeprecatedDST() const { return DeprecatedDST; }
bool hasICBT() const { return HasICBT; }
bool hasInvariantFunctionDescriptors() const {
return HasInvariantFunctionDescriptors;
}
bool isQPXStackUnaligned() const { return IsQPXStackUnaligned; }
unsigned getPlatformStackAlignment() const {
if ((hasQPX() || isBGQ()) && !isQPXStackUnaligned())
return 32;
return 16;
}
const Triple &getTargetTriple() const { return TargetTriple; }
bool isDarwin() const { return TargetTriple.isMacOSX(); }
bool isBGQ() const { return TargetTriple.getVendor() == Triple::BGQ; }
bool isTargetELF() const { return TargetTriple.isOSBinFormatELF(); }
bool isTargetMachO() const { return TargetTriple.isOSBinFormatMachO(); }
bool isDarwinABI() const { return isTargetMachO() || isDarwin(); }
bool isSVR4ABI() const { return !isDarwinABI(); }
bool isELFv2ABI() const;
bool enableEarlyIfConversion() const override { return hasISEL(); }
bool enableMachineScheduler() const override;
bool enablePostMachineScheduler() const override;
AntiDepBreakMode getAntiDepBreakMode() const override;
void getCriticalPathRCs(RegClassVector &CriticalPathRCs) const override;
void overrideSchedPolicy(MachineSchedPolicy &Policy,
MachineInstr *begin,
MachineInstr *end,
unsigned NumRegionInstrs) const override;
bool useAA() const override;
bool enableSubRegLiveness() const override;
};
}
#endif