92 lines
3.0 KiB
C
92 lines
3.0 KiB
C
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//=====-- NVPTXSubtarget.h - Define Subtarget for the NVPTX ---*- C++ -*--====//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares the NVPTX specific subclass of TargetSubtarget.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_NVPTX_NVPTXSUBTARGET_H
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#define LLVM_LIB_TARGET_NVPTX_NVPTXSUBTARGET_H
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#include "NVPTX.h"
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#include "NVPTXFrameLowering.h"
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#include "NVPTXISelLowering.h"
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#include "NVPTXInstrInfo.h"
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#include "NVPTXRegisterInfo.h"
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#include "llvm/CodeGen/SelectionDAGTargetInfo.h"
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#include "llvm/CodeGen/TargetSubtargetInfo.h"
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#include "llvm/IR/DataLayout.h"
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#include <string>
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#define GET_SUBTARGETINFO_HEADER
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#include "NVPTXGenSubtargetInfo.inc"
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namespace llvm {
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class NVPTXSubtarget : public NVPTXGenSubtargetInfo {
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virtual void anchor();
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std::string TargetName;
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// PTX version x.y is represented as 10*x+y, e.g. 3.1 == 31
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unsigned PTXVersion;
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// SM version x.y is represented as 10*x+y, e.g. 3.1 == 31
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unsigned int SmVersion;
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const NVPTXTargetMachine &TM;
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NVPTXInstrInfo InstrInfo;
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NVPTXTargetLowering TLInfo;
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SelectionDAGTargetInfo TSInfo;
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// NVPTX does not have any call stack frame, but need a NVPTX specific
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// FrameLowering class because TargetFrameLowering is abstract.
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NVPTXFrameLowering FrameLowering;
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public:
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/// This constructor initializes the data members to match that
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/// of the specified module.
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///
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NVPTXSubtarget(const Triple &TT, const std::string &CPU,
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const std::string &FS, const NVPTXTargetMachine &TM);
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const TargetFrameLowering *getFrameLowering() const override {
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return &FrameLowering;
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}
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const NVPTXInstrInfo *getInstrInfo() const override { return &InstrInfo; }
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const NVPTXRegisterInfo *getRegisterInfo() const override {
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return &InstrInfo.getRegisterInfo();
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}
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const NVPTXTargetLowering *getTargetLowering() const override {
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return &TLInfo;
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}
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const SelectionDAGTargetInfo *getSelectionDAGInfo() const override {
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return &TSInfo;
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}
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bool hasAtomAddF64() const { return SmVersion >= 60; }
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bool hasAtomScope() const { return SmVersion >= 60; }
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bool hasAtomBitwise64() const { return SmVersion >= 32; }
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bool hasAtomMinMax64() const { return SmVersion >= 32; }
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bool hasLDG() const { return SmVersion >= 32; }
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inline bool hasHWROT32() const { return SmVersion >= 32; }
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bool hasImageHandles() const;
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bool hasFP16Math() const { return SmVersion >= 53; }
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bool allowFP16Math() const;
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unsigned int getSmVersion() const { return SmVersion; }
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std::string getTargetName() const { return TargetName; }
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unsigned getPTXVersion() const { return PTXVersion; }
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NVPTXSubtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS);
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void ParseSubtargetFeatures(StringRef CPU, StringRef TuneCPU, StringRef FS);
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};
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} // End llvm namespace
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#endif
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