8d798eab16
There are a few intrinsics or instructions on LoongArch that are only appropriate for loongarch32 target. So the feature "32bit" is added to implement it. Reviewed By: SixWeining Differential Revision: https://reviews.llvm.org/D140872
101 lines
3.9 KiB
C++
101 lines
3.9 KiB
C++
//===- LoongArchSubtarget.h - Define Subtarget for the LoongArch -*- 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 LoongArch specific subclass of TargetSubtargetInfo.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_LOONGARCH_LOONGARCHSUBTARGET_H
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#define LLVM_LIB_TARGET_LOONGARCH_LOONGARCHSUBTARGET_H
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#include "LoongArchFrameLowering.h"
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#include "LoongArchISelLowering.h"
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#include "LoongArchInstrInfo.h"
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#include "LoongArchRegisterInfo.h"
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#include "MCTargetDesc/LoongArchBaseInfo.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 "llvm/Target/TargetMachine.h"
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#define GET_SUBTARGETINFO_HEADER
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#include "LoongArchGenSubtargetInfo.inc"
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namespace llvm {
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class StringRef;
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class LoongArchSubtarget : public LoongArchGenSubtargetInfo {
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virtual void anchor();
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bool HasLA32 = false;
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bool HasLA64 = false;
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bool HasBasicF = false;
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bool HasBasicD = false;
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bool HasExtLSX = false;
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bool HasExtLASX = false;
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bool HasExtLVZ = false;
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bool HasExtLBT = false;
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bool HasLaGlobalWithPcrel = false;
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bool HasLaGlobalWithAbs = false;
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bool HasLaLocalWithAbs = false;
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unsigned GRLen = 32;
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MVT GRLenVT = MVT::i32;
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LoongArchABI::ABI TargetABI = LoongArchABI::ABI_Unknown;
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LoongArchFrameLowering FrameLowering;
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LoongArchInstrInfo InstrInfo;
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LoongArchRegisterInfo RegInfo;
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LoongArchTargetLowering TLInfo;
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SelectionDAGTargetInfo TSInfo;
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/// Initializes using the passed in CPU and feature strings so that we can
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/// use initializer lists for subtarget initialization.
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LoongArchSubtarget &initializeSubtargetDependencies(const Triple &TT,
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StringRef CPU,
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StringRef TuneCPU,
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StringRef FS,
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StringRef ABIName);
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public:
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// Initializes the data members to match that of the specified triple.
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LoongArchSubtarget(const Triple &TT, StringRef CPU, StringRef TuneCPU,
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StringRef FS, StringRef ABIName, const TargetMachine &TM);
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// Parses features string setting specified subtarget options. The
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// definition of this function is auto-generated by tblgen.
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void ParseSubtargetFeatures(StringRef CPU, StringRef TuneCPU, StringRef FS);
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const LoongArchFrameLowering *getFrameLowering() const override {
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return &FrameLowering;
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}
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const LoongArchInstrInfo *getInstrInfo() const override { return &InstrInfo; }
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const LoongArchRegisterInfo *getRegisterInfo() const override {
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return &RegInfo;
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}
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const LoongArchTargetLowering *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 is64Bit() const { return HasLA64; }
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bool hasBasicF() const { return HasBasicF; }
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bool hasBasicD() const { return HasBasicD; }
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bool hasExtLSX() const { return HasExtLSX; }
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bool hasExtLASX() const { return HasExtLASX; }
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bool hasExtLVZ() const { return HasExtLVZ; }
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bool hasExtLBT() const { return HasExtLBT; }
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bool hasLaGlobalWithPcrel() const { return HasLaGlobalWithPcrel; }
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bool hasLaGlobalWithAbs() const { return HasLaGlobalWithAbs; }
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bool hasLaLocalWithAbs() const { return HasLaLocalWithAbs; }
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MVT getGRLenVT() const { return GRLenVT; }
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unsigned getGRLen() const { return GRLen; }
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LoongArchABI::ABI getTargetABI() const { return TargetABI; }
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};
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} // end namespace llvm
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#endif // LLVM_LIB_TARGET_LOONGARCH_LOONGARCHSUBTARGET_H
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