//
//===----------------------------------------------------------------------===//
-#ifndef AMDGPUSUBTARGET_H
-#define AMDGPUSUBTARGET_H
+#ifndef LLVM_LIB_TARGET_R600_AMDGPUSUBTARGET_H
+#define LLVM_LIB_TARGET_R600_AMDGPUSUBTARGET_H
#include "AMDGPU.h"
+#include "AMDGPUFrameLowering.h"
+#include "AMDGPUInstrInfo.h"
+#include "AMDGPUIntrinsicInfo.h"
+#include "AMDGPUSubtarget.h"
+#include "R600ISelLowering.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Target/TargetSubtargetInfo.h"
#define GET_SUBTARGETINFO_HEADER
#include "AMDGPUGenSubtargetInfo.inc"
-#define MAX_CB_SIZE (1 << 16)
-
namespace llvm {
+class SIMachineFunctionInfo;
+
class AMDGPUSubtarget : public AMDGPUGenSubtargetInfo {
+
public:
enum Generation {
R600 = 0,
EVERGREEN,
NORTHERN_ISLANDS,
SOUTHERN_ISLANDS,
- SEA_ISLANDS
+ SEA_ISLANDS,
+ VOLCANIC_ISLANDS,
+ };
+
+ enum {
+ FIXED_SGPR_COUNT_FOR_INIT_BUG = 80
};
private:
- size_t DefaultSize[3];
std::string DevName;
bool Is64bit;
- bool Is32on64bit;
bool DumpCode;
bool R600ALUInst;
bool HasVertexCache;
short TexVTXClauseSize;
- enum Generation Gen;
+ Generation Gen;
bool FP64;
+ bool FP64Denormals;
+ bool FP32Denormals;
+ bool FastFMAF32;
bool CaymanISA;
+ bool FlatAddressSpace;
bool EnableIRStructurizer;
+ bool EnablePromoteAlloca;
bool EnableIfCvt;
+ bool EnableLoadStoreOpt;
+ unsigned WavefrontSize;
+ bool CFALUBug;
+ int LocalMemorySize;
+ bool EnableVGPRSpilling;
+ bool SGPRInitBug;
+ bool IsGCN;
+ bool GCN1Encoding;
+ bool GCN3Encoding;
+ bool CIInsts;
+ bool FeatureDisable;
+ int LDSBankCount;
+ AMDGPUFrameLowering FrameLowering;
+ std::unique_ptr<AMDGPUTargetLowering> TLInfo;
+ std::unique_ptr<AMDGPUInstrInfo> InstrInfo;
InstrItineraryData InstrItins;
+ Triple TargetTriple;
public:
- AMDGPUSubtarget(StringRef TT, StringRef CPU, StringRef FS);
+ AMDGPUSubtarget(StringRef TT, StringRef CPU, StringRef FS, TargetMachine &TM);
+ AMDGPUSubtarget &initializeSubtargetDependencies(StringRef TT, StringRef GPU,
+ StringRef FS);
+
+ const AMDGPUFrameLowering *getFrameLowering() const override {
+ return &FrameLowering;
+ }
+ const AMDGPUInstrInfo *getInstrInfo() const override {
+ return InstrInfo.get();
+ }
+ const AMDGPURegisterInfo *getRegisterInfo() const override {
+ return &InstrInfo->getRegisterInfo();
+ }
+ AMDGPUTargetLowering *getTargetLowering() const override {
+ return TLInfo.get();
+ }
+ const InstrItineraryData *getInstrItineraryData() const override {
+ return &InstrItins;
+ }
+
+ void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
+
+ bool is64bit() const {
+ return Is64bit;
+ }
+
+ bool hasVertexCache() const {
+ return HasVertexCache;
+ }
+
+ short getTexVTXClauseSize() const {
+ return TexVTXClauseSize;
+ }
+
+ Generation getGeneration() const {
+ return Gen;
+ }
+
+ bool hasHWFP64() const {
+ return FP64;
+ }
+
+ bool hasCaymanISA() const {
+ return CaymanISA;
+ }
+
+ bool hasFP32Denormals() const {
+ return FP32Denormals;
+ }
+
+ bool hasFP64Denormals() const {
+ return FP64Denormals;
+ }
+
+ bool hasFastFMAF32() const {
+ return FastFMAF32;
+ }
+
+ bool hasFlatAddressSpace() const {
+ return FlatAddressSpace;
+ }
+
+ bool hasBFE() const {
+ return (getGeneration() >= EVERGREEN);
+ }
+
+ bool hasBFI() const {
+ return (getGeneration() >= EVERGREEN);
+ }
+
+ bool hasBFM() const {
+ return hasBFE();
+ }
+
+ bool hasBCNT(unsigned Size) const {
+ if (Size == 32)
+ return (getGeneration() >= EVERGREEN);
+
+ if (Size == 64)
+ return (getGeneration() >= SOUTHERN_ISLANDS);
+
+ return false;
+ }
- const InstrItineraryData &getInstrItineraryData() const { return InstrItins; }
- virtual void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
+ bool hasMulU24() const {
+ return (getGeneration() >= EVERGREEN);
+ }
+
+ bool hasMulI24() const {
+ return (getGeneration() >= SOUTHERN_ISLANDS ||
+ hasCaymanISA());
+ }
+
+ bool hasFFBL() const {
+ return (getGeneration() >= EVERGREEN);
+ }
+
+ bool hasFFBH() const {
+ return (getGeneration() >= EVERGREEN);
+ }
+
+ bool hasCARRY() const {
+ return (getGeneration() >= EVERGREEN);
+ }
+
+ bool hasBORROW() const {
+ return (getGeneration() >= EVERGREEN);
+ }
+
+ bool IsIRStructurizerEnabled() const {
+ return EnableIRStructurizer;
+ }
+
+ bool isPromoteAllocaEnabled() const {
+ return EnablePromoteAlloca;
+ }
+
+ bool isIfCvtEnabled() const {
+ return EnableIfCvt;
+ }
+
+ bool loadStoreOptEnabled() const {
+ return EnableLoadStoreOpt;
+ }
+
+ unsigned getWavefrontSize() const {
+ return WavefrontSize;
+ }
- bool is64bit() const;
- bool hasVertexCache() const;
- short getTexVTXClauseSize() const;
- enum Generation getGeneration() const;
- bool hasHWFP64() const;
- bool hasCaymanISA() const;
- bool IsIRStructurizerEnabled() const;
- bool isIfCvtEnabled() const;
+ unsigned getStackEntrySize() const;
- virtual bool enableMachineScheduler() const {
- return getGeneration() <= NORTHERN_ISLANDS;
+ bool hasCFAluBug() const {
+ assert(getGeneration() <= NORTHERN_ISLANDS);
+ return CFALUBug;
}
+ int getLocalMemorySize() const {
+ return LocalMemorySize;
+ }
+
+ bool hasSGPRInitBug() const {
+ return SGPRInitBug;
+ }
+
+ int getLDSBankCount() const {
+ return LDSBankCount;
+ }
+
+ unsigned getAmdKernelCodeChipID() const;
+
+ bool enableMachineScheduler() const override {
+ return true;
+ }
+
+ void overrideSchedPolicy(MachineSchedPolicy &Policy,
+ MachineInstr *begin, MachineInstr *end,
+ unsigned NumRegionInstrs) const override;
+
// Helper functions to simplify if statements
- bool isTargetELF() const;
- std::string getDeviceName() const;
- virtual size_t getDefaultSize(uint32_t dim) const;
- bool dumpCode() const { return DumpCode; }
- bool r600ALUEncoding() const { return R600ALUInst; }
+ bool isTargetELF() const {
+ return false;
+ }
+ StringRef getDeviceName() const {
+ return DevName;
+ }
+
+ bool dumpCode() const {
+ return DumpCode;
+ }
+ bool r600ALUEncoding() const {
+ return R600ALUInst;
+ }
+ bool isAmdHsaOS() const {
+ return TargetTriple.getOS() == Triple::AMDHSA;
+ }
+ bool isVGPRSpillingEnabled(const SIMachineFunctionInfo *MFI) const;
+
+ unsigned getMaxWavesPerCU() const {
+ if (getGeneration() >= AMDGPUSubtarget::SOUTHERN_ISLANDS)
+ return 10;
+
+ // FIXME: Not sure what this is for other subtagets.
+ llvm_unreachable("do not know max waves per CU for this subtarget.");
+ }
+
+ bool enableSubRegLiveness() const override {
+ return false;
+ }
};
} // End namespace llvm
-#endif // AMDGPUSUBTARGET_H
+#endif