forked from OSchip/llvm-project
93 lines
3.0 KiB
C++
93 lines
3.0 KiB
C++
//=====-- 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 LLVM_LIB_TARGET_NVPTX_NVPTXSUBTARGET_H
|
|
#define LLVM_LIB_TARGET_NVPTX_NVPTXSUBTARGET_H
|
|
|
|
#include "NVPTX.h"
|
|
#include "NVPTXFrameLowering.h"
|
|
#include "NVPTXISelLowering.h"
|
|
#include "NVPTXInstrInfo.h"
|
|
#include "NVPTXRegisterInfo.h"
|
|
#include "llvm/CodeGen/SelectionDAGTargetInfo.h"
|
|
#include "llvm/CodeGen/TargetSubtargetInfo.h"
|
|
#include "llvm/IR/DataLayout.h"
|
|
#include <string>
|
|
|
|
#define GET_SUBTARGETINFO_HEADER
|
|
#include "NVPTXGenSubtargetInfo.inc"
|
|
|
|
namespace llvm {
|
|
|
|
class NVPTXSubtarget : public NVPTXGenSubtargetInfo {
|
|
virtual void anchor();
|
|
std::string TargetName;
|
|
|
|
// 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 NVPTXTargetMachine &TM;
|
|
NVPTXInstrInfo InstrInfo;
|
|
NVPTXTargetLowering TLInfo;
|
|
SelectionDAGTargetInfo 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 Triple &TT, const std::string &CPU,
|
|
const std::string &FS, const NVPTXTargetMachine &TM);
|
|
|
|
const TargetFrameLowering *getFrameLowering() const override {
|
|
return &FrameLowering;
|
|
}
|
|
const NVPTXInstrInfo *getInstrInfo() const override { return &InstrInfo; }
|
|
const NVPTXRegisterInfo *getRegisterInfo() const override {
|
|
return &InstrInfo.getRegisterInfo();
|
|
}
|
|
const NVPTXTargetLowering *getTargetLowering() const override {
|
|
return &TLInfo;
|
|
}
|
|
const SelectionDAGTargetInfo *getSelectionDAGInfo() const override {
|
|
return &TSInfo;
|
|
}
|
|
|
|
bool hasAtomAddF64() const { return SmVersion >= 60; }
|
|
bool hasAtomScope() const { return SmVersion >= 60; }
|
|
bool hasAtomBitwise64() const { return SmVersion >= 32; }
|
|
bool hasAtomMinMax64() const { return SmVersion >= 32; }
|
|
bool hasLDG() const { return SmVersion >= 32; }
|
|
inline bool hasHWROT32() const { return SmVersion >= 32; }
|
|
bool hasImageHandles() const;
|
|
bool hasFP16Math() const { return SmVersion >= 53; }
|
|
bool allowFP16Math() const;
|
|
unsigned int getSmVersion() const { return SmVersion; }
|
|
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
|