LLVM 19.0.0git
LoongArchSubtarget.h
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1//===- LoongArchSubtarget.h - Define Subtarget for the LoongArch -*- C++ -*-==//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file declares the LoongArch specific subclass of TargetSubtargetInfo.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_LIB_TARGET_LOONGARCH_LOONGARCHSUBTARGET_H
14#define LLVM_LIB_TARGET_LOONGARCH_LOONGARCHSUBTARGET_H
15
18#include "LoongArchInstrInfo.h"
23#include "llvm/IR/DataLayout.h"
25
26#define GET_SUBTARGETINFO_HEADER
27#include "LoongArchGenSubtargetInfo.inc"
28
29namespace llvm {
30class StringRef;
31
33 virtual void anchor();
34 bool HasLA32 = false;
35 bool HasLA64 = false;
36 bool HasBasicF = false;
37 bool HasBasicD = false;
38 bool HasExtLSX = false;
39 bool HasExtLASX = false;
40 bool HasExtLVZ = false;
41 bool HasExtLBT = false;
42 bool HasLaGlobalWithPcrel = false;
43 bool HasLaGlobalWithAbs = false;
44 bool HasLaLocalWithAbs = false;
45 bool HasUAL = false;
46 bool HasLinkerRelax = false;
47 bool HasExpAutoVec = false;
48 bool HasFrecipe = false;
49 unsigned GRLen = 32;
50 MVT GRLenVT = MVT::i32;
52 LoongArchFrameLowering FrameLowering;
53 LoongArchInstrInfo InstrInfo;
57
58 Align PrefFunctionAlignment;
59 Align PrefLoopAlignment;
60 unsigned MaxBytesForAlignment;
61
62 /// Initializes using the passed in CPU and feature strings so that we can
63 /// use initializer lists for subtarget initialization.
64 LoongArchSubtarget &initializeSubtargetDependencies(const Triple &TT,
65 StringRef CPU,
66 StringRef TuneCPU,
67 StringRef FS,
68 StringRef ABIName);
69
70 /// Initialize properties based on the selected processor family.
71 void initializeProperties(StringRef TuneCPU);
72
73public:
74 // Initializes the data members to match that of the specified triple.
75 LoongArchSubtarget(const Triple &TT, StringRef CPU, StringRef TuneCPU,
76 StringRef FS, StringRef ABIName, const TargetMachine &TM);
77
78 // Parses features string setting specified subtarget options. The
79 // definition of this function is auto-generated by tblgen.
81
82 const LoongArchFrameLowering *getFrameLowering() const override {
83 return &FrameLowering;
84 }
85 const LoongArchInstrInfo *getInstrInfo() const override { return &InstrInfo; }
86 const LoongArchRegisterInfo *getRegisterInfo() const override {
87 return &RegInfo;
88 }
90 return &TLInfo;
91 }
93 return &TSInfo;
94 }
95 bool is64Bit() const { return HasLA64; }
96 bool hasBasicF() const { return HasBasicF; }
97 bool hasBasicD() const { return HasBasicD; }
98 bool hasExtLSX() const { return HasExtLSX; }
99 bool hasExtLASX() const { return HasExtLASX; }
100 bool hasExtLVZ() const { return HasExtLVZ; }
101 bool hasExtLBT() const { return HasExtLBT; }
102 bool hasLaGlobalWithPcrel() const { return HasLaGlobalWithPcrel; }
103 bool hasLaGlobalWithAbs() const { return HasLaGlobalWithAbs; }
104 bool hasLaLocalWithAbs() const { return HasLaLocalWithAbs; }
105 bool hasUAL() const { return HasUAL; }
106 bool hasLinkerRelax() const { return HasLinkerRelax; }
107 bool hasExpAutoVec() const { return HasExpAutoVec; }
108 bool hasFrecipe() const { return HasFrecipe; }
109 MVT getGRLenVT() const { return GRLenVT; }
110 unsigned getGRLen() const { return GRLen; }
111 LoongArchABI::ABI getTargetABI() const { return TargetABI; }
112 bool isXRaySupported() const override { return is64Bit(); }
113 Align getPrefFunctionAlignment() const { return PrefFunctionAlignment; }
114 Align getPrefLoopAlignment() const { return PrefLoopAlignment; }
115 unsigned getMaxBytesForAlignment() const { return MaxBytesForAlignment; }
116};
117} // end namespace llvm
118
119#endif // LLVM_LIB_TARGET_LOONGARCH_LOONGARCHSUBTARGET_H
const char LLVMTargetMachineRef TM
const LoongArchRegisterInfo * getRegisterInfo() const override
const LoongArchTargetLowering * getTargetLowering() const override
const SelectionDAGTargetInfo * getSelectionDAGInfo() const override
const LoongArchInstrInfo * getInstrInfo() const override
unsigned getMaxBytesForAlignment() const
bool isXRaySupported() const override
void ParseSubtargetFeatures(StringRef CPU, StringRef TuneCPU, StringRef FS)
LoongArchABI::ABI getTargetABI() const
Align getPrefFunctionAlignment() const
const LoongArchFrameLowering * getFrameLowering() const override
Machine Value Type.
Targets can subclass this to parameterize the SelectionDAG lowering and instruction selection process...
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:50
Primary interface to the complete machine description for the target machine.
Definition: TargetMachine.h:76
Triple - Helper class for working with autoconf configuration names.
Definition: Triple.h:44
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
This struct is a compact representation of a valid (non-zero power of two) alignment.
Definition: Alignment.h:39