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//===-- SparcSubtarget.h - Define Subtarget for the SPARC -------*- 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 SPARC specific subclass of TargetSubtargetInfo.
//
//===----------------------------------------------------------------------===//
#ifndef SPARC_SUBTARGET_H
#define SPARC_SUBTARGET_H
#include "SparcFrameLowering.h"
#include "SparcInstrInfo.h"
#include "SparcISelLowering.h"
#include "SparcJITInfo.h"
#include "SparcSelectionDAGInfo.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/Target/TargetFrameLowering.h"
#include "llvm/Target/TargetSubtargetInfo.h"
#include <string>
#define GET_SUBTARGETINFO_HEADER
#include "SparcGenSubtargetInfo.inc"
namespace llvm {
class StringRef;
class SparcSubtarget : public SparcGenSubtargetInfo {
virtual void anchor();
bool IsV9;
bool V8DeprecatedInsts;
bool IsVIS, IsVIS2, IsVIS3;
bool Is64Bit;
bool HasHardQuad;
bool UsePopc;
const DataLayout DL; // Calculates type size & alignment
SparcInstrInfo InstrInfo;
SparcTargetLowering TLInfo;
SparcSelectionDAGInfo TSInfo;
SparcFrameLowering FrameLowering;
SparcJITInfo JITInfo;
public:
SparcSubtarget(const std::string &TT, const std::string &CPU,
const std::string &FS, TargetMachine &TM, bool is64bit);
const SparcInstrInfo *getInstrInfo() const { return &InstrInfo; }
const TargetFrameLowering *getFrameLowering() const { return &FrameLowering; }
const SparcRegisterInfo *getRegisterInfo() const {
return &InstrInfo.getRegisterInfo();
}
const SparcTargetLowering *getTargetLowering() const { return &TLInfo; }
const SparcSelectionDAGInfo *getSelectionDAGInfo() const { return &TSInfo; }
SparcJITInfo *getJITInfo() { return &JITInfo; }
const DataLayout *getDataLayout() const { return &DL; }
bool isV9() const { return IsV9; }
bool isVIS() const { return IsVIS; }
bool isVIS2() const { return IsVIS2; }
bool isVIS3() const { return IsVIS3; }
bool useDeprecatedV8Instructions() const { return V8DeprecatedInsts; }
bool hasHardQuad() const { return HasHardQuad; }
bool usePopc() const { return UsePopc; }
/// ParseSubtargetFeatures - Parses features string setting specified
/// subtarget options. Definition of function is auto generated by tblgen.
void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
SparcSubtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS);
bool is64Bit() const { return Is64Bit; }
/// The 64-bit ABI uses biased stack and frame pointers, so the stack frame
/// of the current function is the area from [%sp+BIAS] to [%fp+BIAS].
int64_t getStackPointerBias() const {
return is64Bit() ? 2047 : 0;
}
/// Given a actual stack size as determined by FrameInfo, this function
/// returns adjusted framesize which includes space for register window
/// spills and arguments.
int getAdjustedFrameSize(int stackSize) const;
};
} // end namespace llvm
#endif
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