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 | |
16 | #include "LoongArchFrameLowering.h" |
17 | #include "LoongArchISelLowering.h" |
18 | #include "LoongArchInstrInfo.h" |
19 | #include "LoongArchRegisterInfo.h" |
20 | #include "MCTargetDesc/LoongArchBaseInfo.h" |
21 | #include "llvm/CodeGen/SelectionDAGTargetInfo.h" |
22 | #include "llvm/CodeGen/TargetSubtargetInfo.h" |
23 | #include "llvm/IR/DataLayout.h" |
24 | #include "llvm/Target/TargetMachine.h" |
25 | |
26 | #define |
27 | #include "LoongArchGenSubtargetInfo.inc" |
28 | |
29 | namespace llvm { |
30 | class StringRef; |
31 | |
32 | class LoongArchSubtarget : public LoongArchGenSubtargetInfo { |
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; |
51 | LoongArchABI::ABI TargetABI = LoongArchABI::ABI_Unknown; |
52 | LoongArchFrameLowering FrameLowering; |
53 | LoongArchInstrInfo InstrInfo; |
54 | LoongArchRegisterInfo RegInfo; |
55 | LoongArchTargetLowering TLInfo; |
56 | SelectionDAGTargetInfo TSInfo; |
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 | |
73 | public: |
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. |
80 | void ParseSubtargetFeatures(StringRef CPU, StringRef TuneCPU, StringRef FS); |
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 | } |
89 | const LoongArchTargetLowering *getTargetLowering() const override { |
90 | return &TLInfo; |
91 | } |
92 | const SelectionDAGTargetInfo *getSelectionDAGInfo() const override { |
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 | bool enableMachineScheduler() const override { return true; } |
117 | }; |
118 | } // end namespace llvm |
119 | |
120 | #endif // LLVM_LIB_TARGET_LOONGARCH_LOONGARCHSUBTARGET_H |
121 | |