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//===- LoongArchSubtarget.h - Define Subtarget for the LoongArch -*- C++ -*-==//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// This file declares the LoongArch specific subclass of TargetSubtargetInfo.
#include "LoongArchFrameLowering.h"
#include "LoongArchISelLowering.h"
#include "LoongArchInstrInfo.h"
#include "LoongArchRegisterInfo.h"
#include "MCTargetDesc/LoongArchBaseInfo.h"
#include "llvm/CodeGen/SelectionDAGTargetInfo.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/Target/TargetMachine.h"
#include ""
namespace llvm {
class StringRef;
class LoongArchSubtarget : public LoongArchGenSubtargetInfo {
virtual void anchor();
bool HasLA32 = false;
bool HasLA64 = false;
bool HasBasicF = false;
bool HasBasicD = false;
bool HasExtLSX = false;
bool HasExtLASX = false;
bool HasExtLVZ = false;
bool HasExtLBT = false;
bool HasLaGlobalWithPcrel = false;
bool HasLaGlobalWithAbs = false;
bool HasLaLocalWithAbs = false;
bool HasUAL = false;
unsigned GRLen = 32;
MVT GRLenVT = MVT::i32;
LoongArchABI::ABI TargetABI = LoongArchABI::ABI_Unknown;
LoongArchFrameLowering FrameLowering;
LoongArchInstrInfo InstrInfo;
LoongArchRegisterInfo RegInfo;
LoongArchTargetLowering TLInfo;
SelectionDAGTargetInfo TSInfo;
Align PrefFunctionAlignment;
Align PrefLoopAlignment;
unsigned MaxBytesForAlignment;
/// Initializes using the passed in CPU and feature strings so that we can
/// use initializer lists for subtarget initialization.
LoongArchSubtarget &initializeSubtargetDependencies(const Triple &TT,
StringRef CPU,
StringRef TuneCPU,
StringRef FS,
StringRef ABIName);
/// Initialize properties based on the selected processor family.
void initializeProperties(StringRef TuneCPU);
// Initializes the data members to match that of the specified triple.
LoongArchSubtarget(const Triple &TT, StringRef CPU, StringRef TuneCPU,
StringRef FS, StringRef ABIName, const TargetMachine &TM);
// Parses features string setting specified subtarget options. The
// definition of this function is auto-generated by tblgen.
void ParseSubtargetFeatures(StringRef CPU, StringRef TuneCPU, StringRef FS);
const LoongArchFrameLowering *getFrameLowering() const override {
return &FrameLowering;
const LoongArchInstrInfo *getInstrInfo() const override { return &InstrInfo; }
const LoongArchRegisterInfo *getRegisterInfo() const override {
return &RegInfo;
const LoongArchTargetLowering *getTargetLowering() const override {
return &TLInfo;
const SelectionDAGTargetInfo *getSelectionDAGInfo() const override {
return &TSInfo;
bool is64Bit() const { return HasLA64; }
bool hasBasicF() const { return HasBasicF; }
bool hasBasicD() const { return HasBasicD; }
bool hasExtLSX() const { return HasExtLSX; }
bool hasExtLASX() const { return HasExtLASX; }
bool hasExtLVZ() const { return HasExtLVZ; }
bool hasExtLBT() const { return HasExtLBT; }
bool hasLaGlobalWithPcrel() const { return HasLaGlobalWithPcrel; }
bool hasLaGlobalWithAbs() const { return HasLaGlobalWithAbs; }
bool hasLaLocalWithAbs() const { return HasLaLocalWithAbs; }
bool hasUAL() const { return HasUAL; }
MVT getGRLenVT() const { return GRLenVT; }
unsigned getGRLen() const { return GRLen; }
LoongArchABI::ABI getTargetABI() const { return TargetABI; }
bool isXRaySupported() const override { return is64Bit(); }
Align getPrefFunctionAlignment() const { return PrefFunctionAlignment; }
Align getPrefLoopAlignment() const { return PrefLoopAlignment; }
unsigned getMaxBytesForAlignment() const { return MaxBytesForAlignment; }
} // end namespace llvm