clang  10.0.0git
AArch64.h
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1 //===--- AArch64.h - Declare AArch64 target feature support -----*- 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 AArch64 TargetInfo objects.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_CLANG_LIB_BASIC_TARGETS_AARCH64_H
14 #define LLVM_CLANG_LIB_BASIC_TARGETS_AARCH64_H
15 
16 #include "OSTargets.h"
18 #include "llvm/Support/TargetParser.h"
19 
20 namespace clang {
21 namespace targets {
22 
23 class LLVM_LIBRARY_VISIBILITY AArch64TargetInfo : public TargetInfo {
24  virtual void setDataLayout() = 0;
25  static const TargetInfo::GCCRegAlias GCCRegAliases[];
26  static const char *const GCCRegNames[];
27 
28  enum FPUModeEnum { FPUMode, NeonMode = (1 << 0), SveMode = (1 << 1) };
29 
30  unsigned FPU;
31  bool HasCRC;
32  bool HasCrypto;
33  bool HasUnaligned;
34  bool HasFullFP16;
35  bool HasDotProd;
36  bool HasFP16FML;
37  bool HasMTE;
38  bool HasTME;
39 
40  llvm::AArch64::ArchKind ArchKind;
41 
42  static const Builtin::Info BuiltinInfo[];
43 
44  std::string ABI;
45 
46 public:
47  AArch64TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts);
48 
49  StringRef getABI() const override;
50  bool setABI(const std::string &Name) override;
51 
52  bool validateBranchProtection(StringRef, BranchProtectionInfo &,
53  StringRef &) const override;
54 
55  bool isValidCPUName(StringRef Name) const override;
56  void fillValidCPUList(SmallVectorImpl<StringRef> &Values) const override;
57  bool setCPU(const std::string &Name) override;
58 
59  bool useFP16ConversionIntrinsics() const override {
60  return false;
61  }
62 
63  void getTargetDefinesARMV81A(const LangOptions &Opts,
64  MacroBuilder &Builder) const;
65  void getTargetDefinesARMV82A(const LangOptions &Opts,
66  MacroBuilder &Builder) const;
67  void getTargetDefinesARMV83A(const LangOptions &Opts,
68  MacroBuilder &Builder) const;
69  void getTargetDefinesARMV84A(const LangOptions &Opts,
70  MacroBuilder &Builder) const;
71  void getTargetDefinesARMV85A(const LangOptions &Opts,
72  MacroBuilder &Builder) const;
73  void getTargetDefines(const LangOptions &Opts,
74  MacroBuilder &Builder) const override;
75 
76  ArrayRef<Builtin::Info> getTargetBuiltins() const override;
77 
78  bool hasFeature(StringRef Feature) const override;
79  bool handleTargetFeatures(std::vector<std::string> &Features,
80  DiagnosticsEngine &Diags) override;
81 
82  CallingConvCheckResult checkCallingConvention(CallingConv CC) const override;
83 
84  bool isCLZForZeroUndef() const override;
85 
86  BuiltinVaListKind getBuiltinVaListKind() const override;
87 
88  ArrayRef<const char *> getGCCRegNames() const override;
89  ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override;
90  bool validateAsmConstraint(const char *&Name,
91  TargetInfo::ConstraintInfo &Info) const override;
92  bool
93  validateConstraintModifier(StringRef Constraint, char Modifier, unsigned Size,
94  std::string &SuggestedModifier) const override;
95  const char *getClobbers() const override;
96 
97  StringRef getConstraintRegister(StringRef Constraint,
98  StringRef Expression) const override {
99  return Expression;
100  }
101 
102  int getEHDataRegisterNumber(unsigned RegNo) const override;
103 
104  bool hasInt128Type() const override;
105 };
106 
107 class LLVM_LIBRARY_VISIBILITY AArch64leTargetInfo : public AArch64TargetInfo {
108 public:
109  AArch64leTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts);
110 
111  void getTargetDefines(const LangOptions &Opts,
112  MacroBuilder &Builder) const override;
113 private:
114  void setDataLayout() override;
115 };
116 
117 class LLVM_LIBRARY_VISIBILITY WindowsARM64TargetInfo
118  : public WindowsTargetInfo<AArch64leTargetInfo> {
119  const llvm::Triple Triple;
120 
121 public:
122  WindowsARM64TargetInfo(const llvm::Triple &Triple,
123  const TargetOptions &Opts);
124 
125  void setDataLayout() override;
126 
127  BuiltinVaListKind getBuiltinVaListKind() const override;
128 
129  CallingConvCheckResult checkCallingConvention(CallingConv CC) const override;
130 };
131 
132 // Windows ARM, MS (C++) ABI
133 class LLVM_LIBRARY_VISIBILITY MicrosoftARM64TargetInfo
134  : public WindowsARM64TargetInfo {
135 public:
136  MicrosoftARM64TargetInfo(const llvm::Triple &Triple,
137  const TargetOptions &Opts);
138 
139  void getTargetDefines(const LangOptions &Opts,
140  MacroBuilder &Builder) const override;
142  getCallingConvKind(bool ClangABICompat4) const override;
143 
144  unsigned getMinGlobalAlign(uint64_t TypeSize) const override;
145 };
146 
147 // ARM64 MinGW target
148 class LLVM_LIBRARY_VISIBILITY MinGWARM64TargetInfo
149  : public WindowsARM64TargetInfo {
150 public:
151  MinGWARM64TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts);
152 };
153 
154 class LLVM_LIBRARY_VISIBILITY AArch64beTargetInfo : public AArch64TargetInfo {
155 public:
156  AArch64beTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts);
157  void getTargetDefines(const LangOptions &Opts,
158  MacroBuilder &Builder) const override;
159 
160 private:
161  void setDataLayout() override;
162 };
163 
164 class LLVM_LIBRARY_VISIBILITY DarwinAArch64TargetInfo
165  : public DarwinTargetInfo<AArch64leTargetInfo> {
166 public:
167  DarwinAArch64TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts);
168 
169  BuiltinVaListKind getBuiltinVaListKind() const override;
170 
171  protected:
172  void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
173  MacroBuilder &Builder) const override;
174 };
175 
176 // 64-bit RenderScript is aarch64
177 class LLVM_LIBRARY_VISIBILITY RenderScript64TargetInfo
178  : public AArch64leTargetInfo {
179 public:
180  RenderScript64TargetInfo(const llvm::Triple &Triple,
181  const TargetOptions &Opts);
182 
183  void getTargetDefines(const LangOptions &Opts,
184  MacroBuilder &Builder) const override;
185 };
186 
187 } // namespace targets
188 } // namespace clang
189 
190 #endif // LLVM_CLANG_LIB_BASIC_TARGETS_AARCH64_H
static const Builtin::Info BuiltinInfo[]
Definition: Builtins.cpp:20
Options for controlling the target.
Definition: TargetOptions.h:26
Keeps track of the various options that can be enabled, which controls the dialect of C or C++ that i...
Definition: LangOptions.h:53
Concrete class used by the front-end to report problems and issues.
Definition: Diagnostic.h:149
bool useFP16ConversionIntrinsics() const override
Check whether llvm intrinsics such as llvm.convert.to.fp16 should be used to convert to and from __fp...
Definition: AArch64.h:59
static const char *const GCCRegNames[]
Definition: X86.cpp:43
Exposes information about the current target.
Definition: TargetInfo.h:164
CallingConv
CallingConv - Specifies the calling convention that a function uses.
Definition: Specifiers.h:265
StringRef getConstraintRegister(StringRef Constraint, StringRef Expression) const override
Extracts a register from the passed constraint (if it is a single-register constraint) and the asm la...
Definition: AArch64.h:97
Enumerates target-specific builtins in their own namespaces within namespace clang.
OpenMPLinearClauseKind Modifier
Modifier of &#39;linear&#39; clause.
Definition: OpenMPClause.h:101
Dataflow Directional Tag Classes.
BuiltinVaListKind
The different kinds of __builtin_va_list types defined by the target implementation.
Definition: TargetInfo.h:226
static bool hasFeature(StringRef Feature, const LangOptions &LangOpts, const TargetInfo &Target)
Determine whether a translation unit built using the current language options has the given feature...
Definition: Module.cpp:106