| //=====-- NVPTXSubtarget.h - Define Subtarget for the NVPTX ---*- C++ -*--====// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // 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 TuneCPU, StringRef FS); |
| }; |
| |
| } // End llvm namespace |
| |
| #endif |