llvm-6502/lib/Target/NVPTX/NVPTXSubtarget.h
Justin Holewinski aac29c0c22 [NVPTX] Update sub-target feature detection
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211928 91177308-0d34-0410-b5e6-96231b3b80d8
2014-06-27 18:35:16 +00:00

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//=====-- NVPTXSubtarget.h - Define Subtarget for the NVPTX ---*- 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 NVPTX specific subclass of TargetSubtarget.
//
//===----------------------------------------------------------------------===//
#ifndef NVPTXSUBTARGET_H
#define NVPTXSUBTARGET_H
#include "NVPTX.h"
#include "NVPTXFrameLowering.h"
#include "NVPTXISelLowering.h"
#include "NVPTXInstrInfo.h"
#include "NVPTXRegisterInfo.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/Target/TargetSelectionDAGInfo.h"
#include "llvm/Target/TargetSubtargetInfo.h"
#include <string>
#define GET_SUBTARGETINFO_HEADER
#include "NVPTXGenSubtargetInfo.inc"
namespace llvm {
class NVPTXSubtarget : public NVPTXGenSubtargetInfo {
virtual void anchor();
std::string TargetName;
NVPTX::DrvInterface drvInterface;
bool Is64Bit;
// PTX version x.y is represented as 10*x+y, e.g. 3.1 == 31
unsigned PTXVersion;
// SM version x.y is represented as 10*x+y, e.g. 3.1 == 31
unsigned int SmVersion;
const DataLayout DL; // Calculates type size & alignment
NVPTXInstrInfo InstrInfo;
NVPTXTargetLowering TLInfo;
TargetSelectionDAGInfo TSInfo;
// NVPTX does not have any call stack frame, but need a NVPTX specific
// FrameLowering class because TargetFrameLowering is abstract.
NVPTXFrameLowering FrameLowering;
public:
/// This constructor initializes the data members to match that
/// of the specified module.
///
NVPTXSubtarget(const std::string &TT, const std::string &CPU,
const std::string &FS, const TargetMachine &TM, bool is64Bit);
const TargetFrameLowering *getFrameLowering() const { return &FrameLowering; }
const NVPTXInstrInfo *getInstrInfo() const { return &InstrInfo; }
const DataLayout *getDataLayout() const { return &DL; }
const NVPTXRegisterInfo *getRegisterInfo() const {
return &InstrInfo.getRegisterInfo();
}
const NVPTXTargetLowering *getTargetLowering() const { return &TLInfo; }
const TargetSelectionDAGInfo *getSelectionDAGInfo() const { return &TSInfo; }
bool hasBrkPt() const { return SmVersion >= 11; }
bool hasAtomRedG32() const { return SmVersion >= 11; }
bool hasAtomRedS32() const { return SmVersion >= 12; }
bool hasAtomRedG64() const { return SmVersion >= 12; }
bool hasAtomRedS64() const { return SmVersion >= 20; }
bool hasAtomRedGen32() const { return SmVersion >= 20; }
bool hasAtomRedGen64() const { return SmVersion >= 20; }
bool hasAtomAddF32() const { return SmVersion >= 20; }
bool hasVote() const { return SmVersion >= 12; }
bool hasDouble() const { return SmVersion >= 13; }
bool reqPTX20() const { return SmVersion >= 20; }
bool hasF32FTZ() const { return SmVersion >= 20; }
bool hasFMAF32() const { return SmVersion >= 20; }
bool hasFMAF64() const { return SmVersion >= 13; }
bool hasLDG() const { return SmVersion >= 32; }
bool hasLDU() const { return ((SmVersion >= 20) && (SmVersion < 30)); }
bool hasGenericLdSt() const { return SmVersion >= 20; }
inline bool hasHWROT32() const { return SmVersion >= 32; }
inline bool hasSWROT32() const {
return ((SmVersion >= 20) && (SmVersion < 32));
}
inline bool hasROT32() const { return hasHWROT32() || hasSWROT32(); }
inline bool hasROT64() const { return SmVersion >= 20; }
bool hasImageHandles() const {
// Currently disabled
return false;
}
bool is64Bit() const { return Is64Bit; }
unsigned int getSmVersion() const { return SmVersion; }
NVPTX::DrvInterface getDrvInterface() const { return drvInterface; }
std::string getTargetName() const { return TargetName; }
unsigned getPTXVersion() const { return PTXVersion; }
NVPTXSubtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS);
void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
};
} // End llvm namespace
#endif // NVPTXSUBTARGET_H