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//===-- 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 HasFastSerialization;
bool HasInterlockedAccess1;
private:
Triple TargetTriple;
SystemZInstrInfo InstrInfo;
SystemZTargetLowering TLInfo;
SystemZSelectionDAGInfo TSInfo;
SystemZFrameLowering FrameLowering;
SystemZSubtarget &initializeSubtargetDependencies(StringRef CPU,
StringRef FS);
public:
SystemZSubtarget(const std::string &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 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 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
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