LLVM  16.0.0git
Type.h
Go to the documentation of this file.
1 //===- llvm/Type.h - Classes for handling data types ------------*- 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 contains the declaration of the Type class. For more "Type"
10 // stuff, look in DerivedTypes.h.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_IR_TYPE_H
15 #define LLVM_IR_TYPE_H
16 
17 #include "llvm/ADT/ArrayRef.h"
19 #include "llvm/Support/Casting.h"
20 #include "llvm/Support/Compiler.h"
22 #include "llvm/Support/TypeSize.h"
23 #include <cassert>
24 #include <cstdint>
25 #include <iterator>
26 
27 namespace llvm {
28 
29 class IntegerType;
30 struct fltSemantics;
31 class LLVMContext;
32 class PointerType;
33 class raw_ostream;
34 class StringRef;
35 template <typename PtrType> class SmallPtrSetImpl;
36 
37 /// The instances of the Type class are immutable: once they are created,
38 /// they are never changed. Also note that only one instance of a particular
39 /// type is ever created. Thus seeing if two types are equal is a matter of
40 /// doing a trivial pointer comparison. To enforce that no two equal instances
41 /// are created, Type instances can only be created via static factory methods
42 /// in class Type and in derived classes. Once allocated, Types are never
43 /// free'd.
44 ///
45 class Type {
46 public:
47  //===--------------------------------------------------------------------===//
48  /// Definitions of all of the base types for the Type system. Based on this
49  /// value, you can cast to a class defined in DerivedTypes.h.
50  /// Note: If you add an element to this, you need to add an element to the
51  /// Type::getPrimitiveType function, or else things will break!
52  /// Also update LLVMTypeKind and LLVMGetTypeKind () in the C binding.
53  ///
54  enum TypeID {
55  // PrimitiveTypes
56  HalfTyID = 0, ///< 16-bit floating point type
57  BFloatTyID, ///< 16-bit floating point type (7-bit significand)
58  FloatTyID, ///< 32-bit floating point type
59  DoubleTyID, ///< 64-bit floating point type
60  X86_FP80TyID, ///< 80-bit floating point type (X87)
61  FP128TyID, ///< 128-bit floating point type (112-bit significand)
62  PPC_FP128TyID, ///< 128-bit floating point type (two 64-bits, PowerPC)
63  VoidTyID, ///< type with no size
64  LabelTyID, ///< Labels
65  MetadataTyID, ///< Metadata
66  X86_MMXTyID, ///< MMX vectors (64 bits, X86 specific)
67  X86_AMXTyID, ///< AMX vectors (8192 bits, X86 specific)
68  TokenTyID, ///< Tokens
69 
70  // Derived types... see DerivedTypes.h file.
71  IntegerTyID, ///< Arbitrary bit width integers
72  FunctionTyID, ///< Functions
73  PointerTyID, ///< Pointers
74  StructTyID, ///< Structures
75  ArrayTyID, ///< Arrays
76  FixedVectorTyID, ///< Fixed width SIMD vector type
77  ScalableVectorTyID, ///< Scalable SIMD vector type
78  TypedPointerTyID, ///< Typed pointer used by some GPU targets
79  };
80 
81 private:
82  /// This refers to the LLVMContext in which this type was uniqued.
83  LLVMContext &Context;
84 
85  TypeID ID : 8; // The current base type of this type.
86  unsigned SubclassData : 24; // Space for subclasses to store data.
87  // Note that this should be synchronized with
88  // MAX_INT_BITS value in IntegerType class.
89 
90 protected:
91  friend class LLVMContextImpl;
92 
93  explicit Type(LLVMContext &C, TypeID tid)
94  : Context(C), ID(tid), SubclassData(0) {}
95  ~Type() = default;
96 
97  unsigned getSubclassData() const { return SubclassData; }
98 
99  void setSubclassData(unsigned val) {
100  SubclassData = val;
101  // Ensure we don't have any accidental truncation.
102  assert(getSubclassData() == val && "Subclass data too large for field");
103  }
104 
105  /// Keeps track of how many Type*'s there are in the ContainedTys list.
106  unsigned NumContainedTys = 0;
107 
108  /// A pointer to the array of Types contained by this Type. For example, this
109  /// includes the arguments of a function type, the elements of a structure,
110  /// the pointee of a pointer, the element type of an array, etc. This pointer
111  /// may be 0 for types that don't contain other types (Integer, Double,
112  /// Float).
113  Type * const *ContainedTys = nullptr;
114 
115 public:
116  /// Print the current type.
117  /// Omit the type details if \p NoDetails == true.
118  /// E.g., let %st = type { i32, i16 }
119  /// When \p NoDetails is true, we only print %st.
120  /// Put differently, \p NoDetails prints the type as if
121  /// inlined with the operands when printing an instruction.
122  void print(raw_ostream &O, bool IsForDebug = false,
123  bool NoDetails = false) const;
124 
125  void dump() const;
126 
127  /// Return the LLVMContext in which this type was uniqued.
128  LLVMContext &getContext() const { return Context; }
129 
130  //===--------------------------------------------------------------------===//
131  // Accessors for working with types.
132  //
133 
134  /// Return the type id for the type. This will return one of the TypeID enum
135  /// elements defined above.
136  TypeID getTypeID() const { return ID; }
137 
138  /// Return true if this is 'void'.
139  bool isVoidTy() const { return getTypeID() == VoidTyID; }
140 
141  /// Return true if this is 'half', a 16-bit IEEE fp type.
142  bool isHalfTy() const { return getTypeID() == HalfTyID; }
143 
144  /// Return true if this is 'bfloat', a 16-bit bfloat type.
145  bool isBFloatTy() const { return getTypeID() == BFloatTyID; }
146 
147  /// Return true if this is a 16-bit float type.
148  bool is16bitFPTy() const {
149  return getTypeID() == BFloatTyID || getTypeID() == HalfTyID;
150  }
151 
152  /// Return true if this is 'float', a 32-bit IEEE fp type.
153  bool isFloatTy() const { return getTypeID() == FloatTyID; }
154 
155  /// Return true if this is 'double', a 64-bit IEEE fp type.
156  bool isDoubleTy() const { return getTypeID() == DoubleTyID; }
157 
158  /// Return true if this is x86 long double.
159  bool isX86_FP80Ty() const { return getTypeID() == X86_FP80TyID; }
160 
161  /// Return true if this is 'fp128'.
162  bool isFP128Ty() const { return getTypeID() == FP128TyID; }
163 
164  /// Return true if this is powerpc long double.
165  bool isPPC_FP128Ty() const { return getTypeID() == PPC_FP128TyID; }
166 
167  /// Return true if this is one of the six floating-point types
168  bool isFloatingPointTy() const {
169  return getTypeID() == HalfTyID || getTypeID() == BFloatTyID ||
170  getTypeID() == FloatTyID || getTypeID() == DoubleTyID ||
171  getTypeID() == X86_FP80TyID || getTypeID() == FP128TyID ||
173  }
174 
175  const fltSemantics &getFltSemantics() const;
176 
177  /// Return true if this is X86 MMX.
178  bool isX86_MMXTy() const { return getTypeID() == X86_MMXTyID; }
179 
180  /// Return true if this is X86 AMX.
181  bool isX86_AMXTy() const { return getTypeID() == X86_AMXTyID; }
182 
183  /// Return true if this is a FP type or a vector of FP.
184  bool isFPOrFPVectorTy() const { return getScalarType()->isFloatingPointTy(); }
185 
186  /// Return true if this is 'label'.
187  bool isLabelTy() const { return getTypeID() == LabelTyID; }
188 
189  /// Return true if this is 'metadata'.
190  bool isMetadataTy() const { return getTypeID() == MetadataTyID; }
191 
192  /// Return true if this is 'token'.
193  bool isTokenTy() const { return getTypeID() == TokenTyID; }
194 
195  /// True if this is an instance of IntegerType.
196  bool isIntegerTy() const { return getTypeID() == IntegerTyID; }
197 
198  /// Return true if this is an IntegerType of the given width.
199  bool isIntegerTy(unsigned Bitwidth) const;
200 
201  /// Return true if this is an integer type or a vector of integer types.
202  bool isIntOrIntVectorTy() const { return getScalarType()->isIntegerTy(); }
203 
204  /// Return true if this is an integer type or a vector of integer types of
205  /// the given width.
206  bool isIntOrIntVectorTy(unsigned BitWidth) const {
208  }
209 
210  /// Return true if this is an integer type or a pointer type.
211  bool isIntOrPtrTy() const { return isIntegerTy() || isPointerTy(); }
212 
213  /// True if this is an instance of FunctionType.
214  bool isFunctionTy() const { return getTypeID() == FunctionTyID; }
215 
216  /// True if this is an instance of StructType.
217  bool isStructTy() const { return getTypeID() == StructTyID; }
218 
219  /// True if this is an instance of ArrayType.
220  bool isArrayTy() const { return getTypeID() == ArrayTyID; }
221 
222  /// True if this is an instance of PointerType.
223  bool isPointerTy() const { return getTypeID() == PointerTyID; }
224 
225  /// True if this is an instance of an opaque PointerType.
226  bool isOpaquePointerTy() const;
227 
228  /// Return true if this is a pointer type or a vector of pointer types.
229  bool isPtrOrPtrVectorTy() const { return getScalarType()->isPointerTy(); }
230 
231  /// True if this is an instance of VectorType.
232  inline bool isVectorTy() const {
234  }
235 
236  /// Return true if this type could be converted with a lossless BitCast to
237  /// type 'Ty'. For example, i8* to i32*. BitCasts are valid for types of the
238  /// same size only where no re-interpretation of the bits is done.
239  /// Determine if this type could be losslessly bitcast to Ty
240  bool canLosslesslyBitCastTo(Type *Ty) const;
241 
242  /// Return true if this type is empty, that is, it has no elements or all of
243  /// its elements are empty.
244  bool isEmptyTy() const;
245 
246  /// Return true if the type is "first class", meaning it is a valid type for a
247  /// Value.
248  bool isFirstClassType() const {
249  return getTypeID() != FunctionTyID && getTypeID() != VoidTyID;
250  }
251 
252  /// Return true if the type is a valid type for a register in codegen. This
253  /// includes all first-class types except struct and array types.
254  bool isSingleValueType() const {
255  return isFloatingPointTy() || isX86_MMXTy() || isIntegerTy() ||
256  isPointerTy() || isVectorTy() || isX86_AMXTy();
257  }
258 
259  /// Return true if the type is an aggregate type. This means it is valid as
260  /// the first operand of an insertvalue or extractvalue instruction. This
261  /// includes struct and array types, but does not include vector types.
262  bool isAggregateType() const {
263  return getTypeID() == StructTyID || getTypeID() == ArrayTyID;
264  }
265 
266  /// Return true if it makes sense to take the size of this type. To get the
267  /// actual size for a particular target, it is reasonable to use the
268  /// DataLayout subsystem to do this.
269  bool isSized(SmallPtrSetImpl<Type*> *Visited = nullptr) const {
270  // If it's a primitive, it is always sized.
271  if (getTypeID() == IntegerTyID || isFloatingPointTy() ||
273  getTypeID() == X86_AMXTyID)
274  return true;
275  // If it is not something that can have a size (e.g. a function or label),
276  // it doesn't have a size.
277  if (getTypeID() != StructTyID && getTypeID() != ArrayTyID && !isVectorTy())
278  return false;
279  // Otherwise we have to try harder to decide.
280  return isSizedDerivedType(Visited);
281  }
282 
283  /// Return the basic size of this type if it is a primitive type. These are
284  /// fixed by LLVM and are not target-dependent.
285  /// This will return zero if the type does not have a size or is not a
286  /// primitive type.
287  ///
288  /// If this is a scalable vector type, the scalable property will be set and
289  /// the runtime size will be a positive integer multiple of the base size.
290  ///
291  /// Note that this may not reflect the size of memory allocated for an
292  /// instance of the type or the number of bytes that are written when an
293  /// instance of the type is stored to memory. The DataLayout class provides
294  /// additional query functions to provide this information.
295  ///
297 
298  /// If this is a vector type, return the getPrimitiveSizeInBits value for the
299  /// element type. Otherwise return the getPrimitiveSizeInBits value for this
300  /// type.
302 
303  /// Return the width of the mantissa of this type. This is only valid on
304  /// floating-point types. If the FP type does not have a stable mantissa (e.g.
305  /// ppc long double), this method returns -1.
307 
308  /// Return whether the type is IEEE compatible, as defined by the eponymous
309  /// method in APFloat.
310  bool isIEEE() const;
311 
312  /// If this is a vector type, return the element type, otherwise return
313  /// 'this'.
315  if (isVectorTy())
316  return getContainedType(0);
317  return const_cast<Type *>(this);
318  }
319 
320  //===--------------------------------------------------------------------===//
321  // Type Iteration support.
322  //
323  using subtype_iterator = Type * const *;
324 
329  }
330 
331  using subtype_reverse_iterator = std::reverse_iterator<subtype_iterator>;
332 
335  }
338  }
339 
340  /// This method is used to implement the type iterator (defined at the end of
341  /// the file). For derived types, this returns the types 'contained' in the
342  /// derived type.
343  Type *getContainedType(unsigned i) const {
344  assert(i < NumContainedTys && "Index out of range!");
345  return ContainedTys[i];
346  }
347 
348  /// Return the number of types in the derived type.
349  unsigned getNumContainedTypes() const { return NumContainedTys; }
350 
351  //===--------------------------------------------------------------------===//
352  // Helper methods corresponding to subclass methods. This forces a cast to
353  // the specified subclass and calls its accessor. "getArrayNumElements" (for
354  // example) is shorthand for cast<ArrayType>(Ty)->getNumElements(). This is
355  // only intended to cover the core methods that are frequently used, helper
356  // methods should not be added here.
357 
358  inline unsigned getIntegerBitWidth() const;
359 
360  inline Type *getFunctionParamType(unsigned i) const;
361  inline unsigned getFunctionNumParams() const;
362  inline bool isFunctionVarArg() const;
363 
364  inline StringRef getStructName() const;
365  inline unsigned getStructNumElements() const;
366  inline Type *getStructElementType(unsigned N) const;
367 
368  inline uint64_t getArrayNumElements() const;
369 
371  assert(getTypeID() == ArrayTyID);
372  return ContainedTys[0];
373  }
374 
375  /// This method is deprecated without replacement. Pointer element types are
376  /// not available with opaque pointers.
377  [[deprecated("Deprecated without replacement, see "
378  "https://llvm.org/docs/OpaquePointers.html for context and "
379  "migration instructions")]]
382  }
383 
384  /// Only use this method in code that is not reachable with opaque pointers,
385  /// or part of deprecated methods that will be removed as part of the opaque
386  /// pointers transition.
390  "Attempting to get element type of opaque pointer");
391  return ContainedTys[0];
392  }
393 
394  /// Given vector type, change the element type,
395  /// whilst keeping the old number of elements.
396  /// For non-vectors simply returns \p EltTy.
397  inline Type *getWithNewType(Type *EltTy) const;
398 
399  /// Given an integer or vector type, change the lane bitwidth to NewBitwidth,
400  /// whilst keeping the old number of lanes.
401  inline Type *getWithNewBitWidth(unsigned NewBitWidth) const;
402 
403  /// Given scalar/vector integer type, returns a type with elements twice as
404  /// wide as in the original type. For vectors, preserves element count.
405  inline Type *getExtendedType() const;
406 
407  /// Get the address space of this pointer or pointer vector type.
408  inline unsigned getPointerAddressSpace() const;
409 
410  //===--------------------------------------------------------------------===//
411  // Static members exported by the Type class itself. Useful for getting
412  // instances of Type.
413  //
414 
415  /// Return a type based on an identifier.
416  static Type *getPrimitiveType(LLVMContext &C, TypeID IDNumber);
417 
418  //===--------------------------------------------------------------------===//
419  // These are the builtin types that are always available.
420  //
421  static Type *getVoidTy(LLVMContext &C);
422  static Type *getLabelTy(LLVMContext &C);
423  static Type *getHalfTy(LLVMContext &C);
424  static Type *getBFloatTy(LLVMContext &C);
425  static Type *getFloatTy(LLVMContext &C);
426  static Type *getDoubleTy(LLVMContext &C);
427  static Type *getMetadataTy(LLVMContext &C);
428  static Type *getX86_FP80Ty(LLVMContext &C);
429  static Type *getFP128Ty(LLVMContext &C);
430  static Type *getPPC_FP128Ty(LLVMContext &C);
431  static Type *getX86_MMXTy(LLVMContext &C);
432  static Type *getX86_AMXTy(LLVMContext &C);
433  static Type *getTokenTy(LLVMContext &C);
434  static IntegerType *getIntNTy(LLVMContext &C, unsigned N);
441  template <typename ScalarTy> static Type *getScalarTy(LLVMContext &C) {
442  int noOfBits = sizeof(ScalarTy) * CHAR_BIT;
443  if (std::is_integral<ScalarTy>::value) {
444  return (Type*) Type::getIntNTy(C, noOfBits);
445  } else if (std::is_floating_point<ScalarTy>::value) {
446  switch (noOfBits) {
447  case 32:
448  return Type::getFloatTy(C);
449  case 64:
450  return Type::getDoubleTy(C);
451  }
452  }
453  llvm_unreachable("Unsupported type in Type::getScalarTy");
454  }
456 
457  //===--------------------------------------------------------------------===//
458  // Convenience methods for getting pointer types with one of the above builtin
459  // types as pointee.
460  //
461  static PointerType *getHalfPtrTy(LLVMContext &C, unsigned AS = 0);
462  static PointerType *getBFloatPtrTy(LLVMContext &C, unsigned AS = 0);
463  static PointerType *getFloatPtrTy(LLVMContext &C, unsigned AS = 0);
464  static PointerType *getDoublePtrTy(LLVMContext &C, unsigned AS = 0);
465  static PointerType *getX86_FP80PtrTy(LLVMContext &C, unsigned AS = 0);
466  static PointerType *getFP128PtrTy(LLVMContext &C, unsigned AS = 0);
467  static PointerType *getPPC_FP128PtrTy(LLVMContext &C, unsigned AS = 0);
468  static PointerType *getX86_MMXPtrTy(LLVMContext &C, unsigned AS = 0);
469  static PointerType *getX86_AMXPtrTy(LLVMContext &C, unsigned AS = 0);
470  static PointerType *getIntNPtrTy(LLVMContext &C, unsigned N, unsigned AS = 0);
471  static PointerType *getInt1PtrTy(LLVMContext &C, unsigned AS = 0);
472  static PointerType *getInt8PtrTy(LLVMContext &C, unsigned AS = 0);
473  static PointerType *getInt16PtrTy(LLVMContext &C, unsigned AS = 0);
474  static PointerType *getInt32PtrTy(LLVMContext &C, unsigned AS = 0);
475  static PointerType *getInt64PtrTy(LLVMContext &C, unsigned AS = 0);
476 
477  /// Return a pointer to the current type. This is equivalent to
478  /// PointerType::get(Foo, AddrSpace).
479  /// TODO: Remove this after opaque pointer transition is complete.
480  PointerType *getPointerTo(unsigned AddrSpace = 0) const;
481 
482 private:
483  /// Derived types like structures and arrays are sized iff all of the members
484  /// of the type are sized as well. Since asking for their size is relatively
485  /// uncommon, move this operation out-of-line.
486  bool isSizedDerivedType(SmallPtrSetImpl<Type*> *Visited = nullptr) const;
487 };
488 
489 // Printing of types.
490 inline raw_ostream &operator<<(raw_ostream &OS, const Type &T) {
491  T.print(OS);
492  return OS;
493 }
494 
495 // allow isa<PointerType>(x) to work without DerivedTypes.h included.
496 template <> struct isa_impl<PointerType, Type> {
497  static inline bool doit(const Type &Ty) {
498  return Ty.getTypeID() == Type::PointerTyID;
499  }
500 };
501 
502 // Create wrappers for C Binding types (see CBindingWrapping.h).
504 
505 /* Specialized opaque type conversions.
506  */
508  return reinterpret_cast<Type**>(Tys);
509 }
510 
511 inline LLVMTypeRef *wrap(Type **Tys) {
512  return reinterpret_cast<LLVMTypeRef*>(const_cast<Type**>(Tys));
513 }
514 
515 } // end namespace llvm
516 
517 #endif // LLVM_IR_TYPE_H
i
i
Definition: README.txt:29
llvm::Type::isFunctionVarArg
bool isFunctionVarArg() const
Definition: DerivedTypes.h:149
llvm::Type::ArrayTyID
@ ArrayTyID
Arrays.
Definition: Type.h:75
llvm::Type::FloatTyID
@ FloatTyID
32-bit floating point type
Definition: Type.h:58
PointerType
Definition: ItaniumDemangle.h:587
llvm::Type::isSized
bool isSized(SmallPtrSetImpl< Type * > *Visited=nullptr) const
Return true if it makes sense to take the size of this type.
Definition: Type.h:269
llvm::Type::subtype_end
subtype_iterator subtype_end() const
Definition: Type.h:326
LLVM_READONLY
#define LLVM_READONLY
Definition: Compiler.h:196
llvm::Type::DoubleTyID
@ DoubleTyID
64-bit floating point type
Definition: Type.h:59
llvm
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
llvm::Type::getInt16PtrTy
static PointerType * getInt16PtrTy(LLVMContext &C, unsigned AS=0)
Definition: Type.cpp:295
llvm::Type::getInt1Ty
static IntegerType * getInt1Ty(LLVMContext &C)
Definition: Type.cpp:236
llvm::Type::getFunctionNumParams
unsigned getFunctionNumParams() const
Definition: DerivedTypes.h:157
llvm::Type::getInt8PtrTy
static PointerType * getInt8PtrTy(LLVMContext &C, unsigned AS=0)
Definition: Type.cpp:291
llvm::Type::isX86_MMXTy
bool isX86_MMXTy() const
Return true if this is X86 MMX.
Definition: Type.h:178
llvm::Type::getScalarTy
static Type * getScalarTy(LLVMContext &C)
Definition: Type.h:441
llvm::Type::getFP128Ty
static Type * getFP128Ty(LLVMContext &C)
Definition: Type.cpp:231
llvm::Type::isPointerTy
bool isPointerTy() const
True if this is an instance of PointerType.
Definition: Type.h:223
llvm::Type::VoidTyID
@ VoidTyID
type with no size
Definition: Type.h:63
llvm::Type::getScalarType
Type * getScalarType() const
If this is a vector type, return the element type, otherwise return 'this'.
Definition: Type.h:314
TypeSize.h
llvm::Type::getFltSemantics
const fltSemantics & getFltSemantics() const
Definition: Type.cpp:67
ErrorHandling.h
llvm::Type::getPointerAddressSpace
unsigned getPointerAddressSpace() const
Get the address space of this pointer or pointer vector type.
Definition: DerivedTypes.h:729
llvm::Type::X86_AMXTyID
@ X86_AMXTyID
AMX vectors (8192 bits, X86 specific)
Definition: Type.h:67
llvm::Type::getSubclassData
unsigned getSubclassData() const
Definition: Type.h:97
llvm::Type::getTypeID
TypeID getTypeID() const
Return the type id for the type.
Definition: Type.h:136
llvm::Type::isFPOrFPVectorTy
bool isFPOrFPVectorTy() const
Return true if this is a FP type or a vector of FP.
Definition: Type.h:184
llvm::Type
The instances of the Type class are immutable: once they are created, they are never changed.
Definition: Type.h:45
llvm::Type::getTokenTy
static Type * getTokenTy(LLVMContext &C)
Definition: Type.cpp:229
T
#define T
Definition: Mips16ISelLowering.cpp:341
llvm::Type::isX86_FP80Ty
bool isX86_FP80Ty() const
Return true if this is x86 long double.
Definition: Type.h:159
CBindingWrapping.h
llvm::Type::getPrimitiveType
static Type * getPrimitiveType(LLVMContext &C, TypeID IDNumber)
Return a type based on an identifier.
Definition: Type.cpp:37
llvm::Type::subtype_begin
subtype_iterator subtype_begin() const
Definition: Type.h:325
llvm::Type::subtype_iterator
Type *const * subtype_iterator
Definition: Type.h:323
llvm::Type::isFloatingPointTy
bool isFloatingPointTy() const
Return true if this is one of the six floating-point types.
Definition: Type.h:168
llvm::Type::getNonOpaquePointerElementType
Type * getNonOpaquePointerElementType() const
Only use this method in code that is not reachable with opaque pointers, or part of deprecated method...
Definition: Type.h:387
llvm::Type::getInt32PtrTy
static PointerType * getInt32PtrTy(LLVMContext &C, unsigned AS=0)
Definition: Type.cpp:299
llvm::Type::isMetadataTy
bool isMetadataTy() const
Return true if this is 'metadata'.
Definition: Type.h:190
llvm::Type::getInt8Ty
static IntegerType * getInt8Ty(LLVMContext &C)
Definition: Type.cpp:237
llvm::Type::getInt32Ty
static IntegerType * getInt32Ty(LLVMContext &C)
Definition: Type.cpp:239
llvm::Type::getWithNewType
Type * getWithNewType(Type *EltTy) const
Given vector type, change the element type, whilst keeping the old number of elements.
Definition: DerivedTypes.h:716
llvm::Type::getBFloatPtrTy
static PointerType * getBFloatPtrTy(LLVMContext &C, unsigned AS=0)
Definition: Type.cpp:251
Context
LLVMContext & Context
Definition: NVVMIntrRange.cpp:66
llvm::Type::getMetadataTy
static Type * getMetadataTy(LLVMContext &C)
Definition: Type.cpp:228
llvm::Type::isArrayTy
bool isArrayTy() const
True if this is an instance of ArrayType.
Definition: Type.h:220
DEFINE_ISA_CONVERSION_FUNCTIONS
#define DEFINE_ISA_CONVERSION_FUNCTIONS(ty, ref)
Definition: CBindingWrapping.h:28
llvm::Type::isSingleValueType
bool isSingleValueType() const
Return true if the type is a valid type for a register in codegen.
Definition: Type.h:254
llvm::Type::getFP128PtrTy
static PointerType * getFP128PtrTy(LLVMContext &C, unsigned AS=0)
Definition: Type.cpp:267
llvm::Type::MetadataTyID
@ MetadataTyID
Metadata.
Definition: Type.h:65
llvm::Type::getX86_AMXTy
static Type * getX86_AMXTy(LLVMContext &C)
Definition: Type.cpp:234
llvm::Type::FunctionTyID
@ FunctionTyID
Functions.
Definition: Type.h:72
llvm::Type::getPPC_FP128Ty
static Type * getPPC_FP128Ty(LLVMContext &C)
Definition: Type.cpp:232
llvm::Type::getDoubleTy
static Type * getDoubleTy(LLVMContext &C)
Definition: Type.cpp:227
C
(vector float) vec_cmpeq(*A, *B) C
Definition: README_ALTIVEC.txt:86
llvm::LLVMContextImpl
Definition: LLVMContextImpl.h:1355
llvm::Type::print
void print(raw_ostream &O, bool IsForDebug=false, bool NoDetails=false) const
Print the current type.
Definition: AsmWriter.cpp:4568
llvm::Type::getPPC_FP128PtrTy
static PointerType * getPPC_FP128PtrTy(LLVMContext &C, unsigned AS=0)
Definition: Type.cpp:271
llvm::Type::getStructName
StringRef getStructName() const
Definition: DerivedTypes.h:344
llvm::Type::isVectorTy
bool isVectorTy() const
True if this is an instance of VectorType.
Definition: Type.h:232
llvm::IntegerType
Class to represent integer types.
Definition: DerivedTypes.h:40
llvm::Type::isTokenTy
bool isTokenTy() const
Return true if this is 'token'.
Definition: Type.h:193
llvm::Type::getScalarSizeInBits
unsigned getScalarSizeInBits() const LLVM_READONLY
If this is a vector type, return the getPrimitiveSizeInBits value for the element type.
Definition: Type.cpp:189
llvm::unwrap
Attribute unwrap(LLVMAttributeRef Attr)
Definition: Attributes.h:280
llvm::raw_ostream
This class implements an extremely fast bulk output stream that can only output to a stream.
Definition: raw_ostream.h:52
LLVMTypeRef
struct LLVMOpaqueType * LLVMTypeRef
Each value in the LLVM IR has a type, an LLVMTypeRef.
Definition: Types.h:68
llvm::operator<<
raw_ostream & operator<<(raw_ostream &OS, const APFixedPoint &FX)
Definition: APFixedPoint.h:230
llvm::Type::PointerTyID
@ PointerTyID
Pointers.
Definition: Type.h:73
llvm::Type::subtype_rbegin
subtype_reverse_iterator subtype_rbegin() const
Definition: Type.h:333
llvm::Type::getInt1PtrTy
static PointerType * getInt1PtrTy(LLVMContext &C, unsigned AS=0)
Definition: Type.cpp:287
llvm::Type::isFunctionTy
bool isFunctionTy() const
True if this is an instance of FunctionType.
Definition: Type.h:214
llvm::Type::BFloatTyID
@ BFloatTyID
16-bit floating point type (7-bit significand)
Definition: Type.h:57
llvm::Type::getIntegerBitWidth
unsigned getIntegerBitWidth() const
Definition: DerivedTypes.h:97
llvm::CallingConv::ID
unsigned ID
LLVM IR allows to use arbitrary numbers as calling convention identifiers.
Definition: CallingConv.h:24
llvm::Type::getStructNumElements
unsigned getStructNumElements() const
Definition: DerivedTypes.h:348
llvm::Type::getExtendedType
Type * getExtendedType() const
Given scalar/vector integer type, returns a type with elements twice as wide as in the original type.
Definition: DerivedTypes.h:706
llvm::Type::isIntegerTy
bool isIntegerTy() const
True if this is an instance of IntegerType.
Definition: Type.h:196
llvm::Type::getIntNPtrTy
static PointerType * getIntNPtrTy(LLVMContext &C, unsigned N, unsigned AS=0)
Definition: Type.cpp:283
llvm::Type::subtypes
ArrayRef< Type * > subtypes() const
Definition: Type.h:327
llvm::Type::getArrayElementType
Type * getArrayElementType() const
Definition: Type.h:370
TypeID
Type::TypeID TypeID
Definition: Mips16HardFloat.cpp:102
val
The initial backend is deliberately restricted to z10 We should add support for later architectures at some point If an asm ties an i32 r result to an i64 the input will be treated as an leaving the upper bits uninitialised For i64 store i32 val
Definition: README.txt:15
llvm::Type::getFPMantissaWidth
int getFPMantissaWidth() const
Return the width of the mantissa of this type.
Definition: Type.cpp:194
llvm::RISCVFenceField::O
@ O
Definition: RISCVBaseInfo.h:264
uint64_t
llvm::Type::getWithNewBitWidth
Type * getWithNewBitWidth(unsigned NewBitWidth) const
Given an integer or vector type, change the lane bitwidth to NewBitwidth, whilst keeping the old numb...
Definition: DerivedTypes.h:722
llvm::Type::X86_MMXTyID
@ X86_MMXTyID
MMX vectors (64 bits, X86 specific)
Definition: Type.h:66
const
aarch64 promote const
Definition: AArch64PromoteConstant.cpp:232
llvm::Type::getHalfPtrTy
static PointerType * getHalfPtrTy(LLVMContext &C, unsigned AS=0)
Definition: Type.cpp:247
llvm::Type::isIntOrPtrTy
bool isIntOrPtrTy() const
Return true if this is an integer type or a pointer type.
Definition: Type.h:211
llvm::LLVMContext
This is an important class for using LLVM in a threaded context.
Definition: LLVMContext.h:67
llvm::Type::getInt64PtrTy
static PointerType * getInt64PtrTy(LLVMContext &C, unsigned AS=0)
Definition: Type.cpp:303
llvm::Type::subtype_rend
subtype_reverse_iterator subtype_rend() const
Definition: Type.h:336
llvm::PointerType
Class to represent pointers.
Definition: DerivedTypes.h:632
ArrayRef.h
llvm::Type::isHalfTy
bool isHalfTy() const
Return true if this is 'half', a 16-bit IEEE fp type.
Definition: Type.h:142
inline
into xmm2 addss xmm2 xmm1 xmm3 addss xmm3 movaps xmm0 unpcklps xmm0 ret seems silly when it could just be one addps Expand libm rounding functions inline
Definition: README-SSE.txt:72
llvm::Type::getX86_MMXPtrTy
static PointerType * getX86_MMXPtrTy(LLVMContext &C, unsigned AS=0)
Definition: Type.cpp:275
assert
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
llvm::Type::getArrayNumElements
uint64_t getArrayNumElements() const
Definition: DerivedTypes.h:384
llvm::Type::isVoidTy
bool isVoidTy() const
Return true if this is 'void'.
Definition: Type.h:139
llvm::Type::getX86_FP80Ty
static Type * getX86_FP80Ty(LLVMContext &C)
Definition: Type.cpp:230
llvm::Type::getDoublePtrTy
static PointerType * getDoublePtrTy(LLVMContext &C, unsigned AS=0)
Definition: Type.cpp:259
llvm::Type::is16bitFPTy
bool is16bitFPTy() const
Return true if this is a 16-bit float type.
Definition: Type.h:148
llvm::Type::FP128TyID
@ FP128TyID
128-bit floating point type (112-bit significand)
Definition: Type.h:61
llvm::wrap
LLVMAttributeRef wrap(Attribute Attr)
Definition: Attributes.h:275
llvm::Type::setSubclassData
void setSubclassData(unsigned val)
Definition: Type.h:99
llvm::Type::Type
Type(LLVMContext &C, TypeID tid)
Definition: Type.h:93
llvm::ArrayRef
ArrayRef - Represent a constant reference to an array (0 or more elements consecutively in memory),...
Definition: APInt.h:32
llvm::Type::PPC_FP128TyID
@ PPC_FP128TyID
128-bit floating point type (two 64-bits, PowerPC)
Definition: Type.h:62
llvm::StringRef
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:50
llvm::Type::getStructElementType
Type * getStructElementType(unsigned N) const
Definition: DerivedTypes.h:352
llvm_unreachable
#define llvm_unreachable(msg)
Marks that the current location is not supposed to be reachable.
Definition: ErrorHandling.h:143
llvm::Type::getNumContainedTypes
unsigned getNumContainedTypes() const
Return the number of types in the derived type.
Definition: Type.h:349
Compiler.h
S
add sub stmia L5 ldr r0 bl L_printf $stub Instead of a and a wouldn t it be better to do three moves *Return an aggregate type is even return S
Definition: README.txt:210
llvm::Type::isLabelTy
bool isLabelTy() const
Return true if this is 'label'.
Definition: Type.h:187
llvm::Type::isPtrOrPtrVectorTy
bool isPtrOrPtrVectorTy() const
Return true if this is a pointer type or a vector of pointer types.
Definition: Type.h:229
llvm::Type::TypedPointerTyID
@ TypedPointerTyID
Typed pointer used by some GPU targets.
Definition: Type.h:78
llvm::Type::getContext
LLVMContext & getContext() const
Return the LLVMContext in which this type was uniqued.
Definition: Type.h:128
llvm::Type::getInt128Ty
static IntegerType * getInt128Ty(LLVMContext &C)
Definition: Type.cpp:241
llvm::Type::getFloatPtrTy
static PointerType * getFloatPtrTy(LLVMContext &C, unsigned AS=0)
Definition: Type.cpp:255
llvm::Type::IntegerTyID
@ IntegerTyID
Arbitrary bit width integers.
Definition: Type.h:71
llvm::Type::NumContainedTys
unsigned NumContainedTys
Keeps track of how many Type*'s there are in the ContainedTys list.
Definition: Type.h:106
llvm::Type::getInt64Ty
static IntegerType * getInt64Ty(LLVMContext &C)
Definition: Type.cpp:240
llvm::Type::getIntNTy
static IntegerType * getIntNTy(LLVMContext &C, unsigned N)
Definition: Type.cpp:243
llvm::Type::isFloatTy
bool isFloatTy() const
Return true if this is 'float', a 32-bit IEEE fp type.
Definition: Type.h:153
llvm::Type::getHalfTy
static Type * getHalfTy(LLVMContext &C)
Definition: Type.cpp:224
llvm::Type::FixedVectorTyID
@ FixedVectorTyID
Fixed width SIMD vector type.
Definition: Type.h:76
llvm::Type::isEmptyTy
bool isEmptyTy() const
Return true if this type is empty, that is, it has no elements or all of its elements are empty.
Definition: Type.cpp:147
llvm::Type::isIntOrIntVectorTy
bool isIntOrIntVectorTy() const
Return true if this is an integer type or a vector of integer types.
Definition: Type.h:202
llvm::TypeSize
Definition: TypeSize.h:435
Casting.h
llvm::fltSemantics
Definition: APFloat.cpp:54
llvm::BitWidth
constexpr unsigned BitWidth
Definition: BitmaskEnum.h:147
llvm::Type::isIEEE
bool isIEEE() const
Return whether the type is IEEE compatible, as defined by the eponymous method in APFloat.
Definition: Type.cpp:80
llvm::Type::getPointerTo
PointerType * getPointerTo(unsigned AddrSpace=0) const
Return a pointer to the current type.
Definition: Type.cpp:774
llvm::Type::TokenTyID
@ TokenTyID
Tokens.
Definition: Type.h:68
llvm::Type::isDoubleTy
bool isDoubleTy() const
Return true if this is 'double', a 64-bit IEEE fp type.
Definition: Type.h:156
llvm::Type::isPPC_FP128Ty
bool isPPC_FP128Ty() const
Return true if this is powerpc long double.
Definition: Type.h:165
llvm::Type::getBFloatTy
static Type * getBFloatTy(LLVMContext &C)
Definition: Type.cpp:225
llvm::Type::dump
void dump() const
Definition: AsmWriter.cpp:4841
llvm::Type::ContainedTys
Type *const * ContainedTys
A pointer to the array of Types contained by this Type.
Definition: Type.h:113
llvm::Type::getX86_FP80PtrTy
static PointerType * getX86_FP80PtrTy(LLVMContext &C, unsigned AS=0)
Definition: Type.cpp:263
llvm::makeArrayRef
ArrayRef< T > makeArrayRef(const T &OneElt)
Construct an ArrayRef from a single element.
Definition: ArrayRef.h:475
llvm::Type::LabelTyID
@ LabelTyID
Labels.
Definition: Type.h:64
llvm::Type::getVoidTy
static Type * getVoidTy(LLVMContext &C)
Definition: Type.cpp:222
llvm::Type::StructTyID
@ StructTyID
Structures.
Definition: Type.h:74
llvm::Type::isOpaquePointerTy
bool isOpaquePointerTy() const
True if this is an instance of an opaque PointerType.
Definition: Type.cpp:61
llvm::Type::isStructTy
bool isStructTy() const
True if this is an instance of StructType.
Definition: Type.h:217
llvm::isa_impl< PointerType, Type >::doit
static bool doit(const Type &Ty)
Definition: Type.h:497
llvm::Type::isBFloatTy
bool isBFloatTy() const
Return true if this is 'bfloat', a 16-bit bfloat type.
Definition: Type.h:145
llvm::Type::isIntOrIntVectorTy
bool isIntOrIntVectorTy(unsigned BitWidth) const
Return true if this is an integer type or a vector of integer types of the given width.
Definition: Type.h:206
llvm::Type::~Type
~Type()=default
llvm::Type::getPointerElementType
Type * getPointerElementType() const
This method is deprecated without replacement.
Definition: Type.h:380
N
#define N
llvm::Type::subtype_reverse_iterator
std::reverse_iterator< subtype_iterator > subtype_reverse_iterator
Definition: Type.h:331
llvm::Type::getInt16Ty
static IntegerType * getInt16Ty(LLVMContext &C)
Definition: Type.cpp:238
llvm::Type::ScalableVectorTyID
@ ScalableVectorTyID
Scalable SIMD vector type.
Definition: Type.h:77
llvm::SmallPtrSetImpl
A templated base class for SmallPtrSet which provides the typesafe interface that is common across al...
Definition: SmallPtrSet.h:344
llvm::Type::getLabelTy
static Type * getLabelTy(LLVMContext &C)
Definition: Type.cpp:223
llvm::Type::isAggregateType
bool isAggregateType() const
Return true if the type is an aggregate type.
Definition: Type.h:262
llvm::Type::TypeID
TypeID
Definitions of all of the base types for the Type system.
Definition: Type.h:54
llvm::Type::getX86_MMXTy
static Type * getX86_MMXTy(LLVMContext &C)
Definition: Type.cpp:233
llvm::Type::getFunctionParamType
Type * getFunctionParamType(unsigned i) const
Definition: DerivedTypes.h:153
llvm::Type::canLosslesslyBitCastTo
bool canLosslesslyBitCastTo(Type *Ty) const
Return true if this type could be converted with a lossless BitCast to type 'Ty'.
Definition: Type.cpp:105
llvm::Type::getContainedType
Type * getContainedType(unsigned i) const
This method is used to implement the type iterator (defined at the end of the file).
Definition: Type.h:343
llvm::Type::isFP128Ty
bool isFP128Ty() const
Return true if this is 'fp128'.
Definition: Type.h:162
llvm::Type::getX86_AMXPtrTy
static PointerType * getX86_AMXPtrTy(LLVMContext &C, unsigned AS=0)
Definition: Type.cpp:279
llvm::Type::HalfTyID
@ HalfTyID
16-bit floating point type
Definition: Type.h:56
llvm::Type::X86_FP80TyID
@ X86_FP80TyID
80-bit floating point type (X87)
Definition: Type.h:60
llvm::isa_impl
Definition: Casting.h:63
llvm::Type::getFloatTy
static Type * getFloatTy(LLVMContext &C)
Definition: Type.cpp:226
llvm::Type::getFloatingPointTy
static Type * getFloatingPointTy(LLVMContext &C, const fltSemantics &S)
Definition: Type.cpp:84
llvm::Type::isX86_AMXTy
bool isX86_AMXTy() const
Return true if this is X86 AMX.
Definition: Type.h:181
llvm::Type::isFirstClassType
bool isFirstClassType() const
Return true if the type is "first class", meaning it is a valid type for a Value.
Definition: Type.h:248
llvm::Type::getPrimitiveSizeInBits
TypeSize getPrimitiveSizeInBits() const LLVM_READONLY
Return the basic size of this type if it is a primitive type.
Definition: Type.cpp:164
llvm::Intrinsic::ID
unsigned ID
Definition: TargetTransformInfo.h:38