| //===-- SystemZSubtarget.h - SystemZ subtarget information -----*- C++ -*--===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file declares the SystemZ specific subclass of TargetSubtargetInfo. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZSUBTARGET_H |
| #define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZSUBTARGET_H |
| |
| #include "SystemZFrameLowering.h" |
| #include "SystemZISelLowering.h" |
| #include "SystemZInstrInfo.h" |
| #include "SystemZRegisterInfo.h" |
| #include "SystemZSelectionDAGInfo.h" |
| #include "llvm/IR/DataLayout.h" |
| #include "llvm/ADT/Triple.h" |
| #include "llvm/Target/TargetSubtargetInfo.h" |
| #include <string> |
| |
| #define GET_SUBTARGETINFO_HEADER |
| #include "SystemZGenSubtargetInfo.inc" |
| |
| namespace llvm { |
| class GlobalValue; |
| class StringRef; |
| |
| class SystemZSubtarget : public SystemZGenSubtargetInfo { |
| virtual void anchor(); |
| protected: |
| bool HasDistinctOps; |
| bool HasLoadStoreOnCond; |
| bool HasHighWord; |
| bool HasFPExtension; |
| bool HasPopulationCount; |
| bool HasFastSerialization; |
| bool HasInterlockedAccess1; |
| bool HasMiscellaneousExtensions; |
| bool HasTransactionalExecution; |
| bool HasProcessorAssist; |
| bool HasVector; |
| |
| private: |
| Triple TargetTriple; |
| SystemZInstrInfo InstrInfo; |
| SystemZTargetLowering TLInfo; |
| SystemZSelectionDAGInfo TSInfo; |
| SystemZFrameLowering FrameLowering; |
| |
| SystemZSubtarget &initializeSubtargetDependencies(StringRef CPU, |
| StringRef FS); |
| public: |
| SystemZSubtarget(const Triple &TT, const std::string &CPU, |
| const std::string &FS, const TargetMachine &TM); |
| |
| const TargetFrameLowering *getFrameLowering() const override { |
| return &FrameLowering; |
| } |
| const SystemZInstrInfo *getInstrInfo() const override { return &InstrInfo; } |
| const SystemZRegisterInfo *getRegisterInfo() const override { |
| return &InstrInfo.getRegisterInfo(); |
| } |
| const SystemZTargetLowering *getTargetLowering() const override { |
| return &TLInfo; |
| } |
| const TargetSelectionDAGInfo *getSelectionDAGInfo() const override { |
| return &TSInfo; |
| } |
| |
| // This is important for reducing register pressure in vector code. |
| bool useAA() const override { return true; } |
| |
| // Automatically generated by tblgen. |
| void ParseSubtargetFeatures(StringRef CPU, StringRef FS); |
| |
| // Return true if the target has the distinct-operands facility. |
| bool hasDistinctOps() const { return HasDistinctOps; } |
| |
| // Return true if the target has the load/store-on-condition facility. |
| bool hasLoadStoreOnCond() const { return HasLoadStoreOnCond; } |
| |
| // Return true if the target has the high-word facility. |
| bool hasHighWord() const { return HasHighWord; } |
| |
| // Return true if the target has the floating-point extension facility. |
| bool hasFPExtension() const { return HasFPExtension; } |
| |
| // Return true if the target has the population-count facility. |
| bool hasPopulationCount() const { return HasPopulationCount; } |
| |
| // Return true if the target has the fast-serialization facility. |
| bool hasFastSerialization() const { return HasFastSerialization; } |
| |
| // Return true if the target has interlocked-access facility 1. |
| bool hasInterlockedAccess1() const { return HasInterlockedAccess1; } |
| |
| // Return true if the target has the miscellaneous-extensions facility. |
| bool hasMiscellaneousExtensions() const { |
| return HasMiscellaneousExtensions; |
| } |
| |
| // Return true if the target has the transactional-execution facility. |
| bool hasTransactionalExecution() const { return HasTransactionalExecution; } |
| |
| // Return true if the target has the processor-assist facility. |
| bool hasProcessorAssist() const { return HasProcessorAssist; } |
| |
| // Return true if the target has the vector facility. |
| bool hasVector() const { return HasVector; } |
| |
| // Return true if GV can be accessed using LARL for reloc model RM |
| // and code model CM. |
| bool isPC32DBLSymbol(const GlobalValue *GV, Reloc::Model RM, |
| CodeModel::Model CM) const; |
| |
| bool isTargetELF() const { return TargetTriple.isOSBinFormatELF(); } |
| }; |
| } // end namespace llvm |
| |
| #endif |