LLVM  14.0.0git
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/APFloat.h"
18 #include "llvm/ADT/ArrayRef.h"
19 #include "llvm/ADT/SmallPtrSet.h"
21 #include "llvm/Support/Casting.h"
22 #include "llvm/Support/Compiler.h"
24 #include "llvm/Support/TypeSize.h"
25 #include <cassert>
26 #include <cstdint>
27 #include <iterator>
28 
29 namespace llvm {
30 
31 class IntegerType;
32 class LLVMContext;
33 class PointerType;
34 class raw_ostream;
35 class StringRef;
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  };
79 
80 private:
81  /// This refers to the LLVMContext in which this type was uniqued.
82  LLVMContext &Context;
83 
84  TypeID ID : 8; // The current base type of this type.
85  unsigned SubclassData : 24; // Space for subclasses to store data.
86  // Note that this should be synchronized with
87  // MAX_INT_BITS value in IntegerType class.
88 
89 protected:
90  friend class LLVMContextImpl;
91 
92  explicit Type(LLVMContext &C, TypeID tid)
93  : Context(C), ID(tid), SubclassData(0) {}
94  ~Type() = default;
95 
96  unsigned getSubclassData() const { return SubclassData; }
97 
98  void setSubclassData(unsigned val) {
99  SubclassData = val;
100  // Ensure we don't have any accidental truncation.
101  assert(getSubclassData() == val && "Subclass data too large for field");
102  }
103 
104  /// Keeps track of how many Type*'s there are in the ContainedTys list.
105  unsigned NumContainedTys = 0;
106 
107  /// A pointer to the array of Types contained by this Type. For example, this
108  /// includes the arguments of a function type, the elements of a structure,
109  /// the pointee of a pointer, the element type of an array, etc. This pointer
110  /// may be 0 for types that don't contain other types (Integer, Double,
111  /// Float).
112  Type * const *ContainedTys = nullptr;
113 
114 public:
115  /// Print the current type.
116  /// Omit the type details if \p NoDetails == true.
117  /// E.g., let %st = type { i32, i16 }
118  /// When \p NoDetails is true, we only print %st.
119  /// Put differently, \p NoDetails prints the type as if
120  /// inlined with the operands when printing an instruction.
121  void print(raw_ostream &O, bool IsForDebug = false,
122  bool NoDetails = false) const;
123 
124  void dump() const;
125 
126  /// Return the LLVMContext in which this type was uniqued.
127  LLVMContext &getContext() const { return Context; }
128 
129  //===--------------------------------------------------------------------===//
130  // Accessors for working with types.
131  //
132 
133  /// Return the type id for the type. This will return one of the TypeID enum
134  /// elements defined above.
135  TypeID getTypeID() const { return ID; }
136 
137  /// Return true if this is 'void'.
138  bool isVoidTy() const { return getTypeID() == VoidTyID; }
139 
140  /// Return true if this is 'half', a 16-bit IEEE fp type.
141  bool isHalfTy() const { return getTypeID() == HalfTyID; }
142 
143  /// Return true if this is 'bfloat', a 16-bit bfloat type.
144  bool isBFloatTy() const { return getTypeID() == BFloatTyID; }
145 
146  /// Return true if this is 'float', a 32-bit IEEE fp type.
147  bool isFloatTy() const { return getTypeID() == FloatTyID; }
148 
149  /// Return true if this is 'double', a 64-bit IEEE fp type.
150  bool isDoubleTy() const { return getTypeID() == DoubleTyID; }
151 
152  /// Return true if this is x86 long double.
153  bool isX86_FP80Ty() const { return getTypeID() == X86_FP80TyID; }
154 
155  /// Return true if this is 'fp128'.
156  bool isFP128Ty() const { return getTypeID() == FP128TyID; }
157 
158  /// Return true if this is powerpc long double.
159  bool isPPC_FP128Ty() const { return getTypeID() == PPC_FP128TyID; }
160 
161  /// Return true if this is one of the six floating-point types
162  bool isFloatingPointTy() const {
163  return getTypeID() == HalfTyID || getTypeID() == BFloatTyID ||
164  getTypeID() == FloatTyID || getTypeID() == DoubleTyID ||
165  getTypeID() == X86_FP80TyID || getTypeID() == FP128TyID ||
167  }
168 
169  const fltSemantics &getFltSemantics() const {
170  switch (getTypeID()) {
171  case HalfTyID: return APFloat::IEEEhalf();
172  case BFloatTyID: return APFloat::BFloat();
173  case FloatTyID: return APFloat::IEEEsingle();
174  case DoubleTyID: return APFloat::IEEEdouble();
176  case FP128TyID: return APFloat::IEEEquad();
178  default: llvm_unreachable("Invalid floating type");
179  }
180  }
181 
182  /// Return true if this is X86 MMX.
183  bool isX86_MMXTy() const { return getTypeID() == X86_MMXTyID; }
184 
185  /// Return true if this is X86 AMX.
186  bool isX86_AMXTy() const { return getTypeID() == X86_AMXTyID; }
187 
188  /// Return true if this is a FP type or a vector of FP.
189  bool isFPOrFPVectorTy() const { return getScalarType()->isFloatingPointTy(); }
190 
191  /// Return true if this is 'label'.
192  bool isLabelTy() const { return getTypeID() == LabelTyID; }
193 
194  /// Return true if this is 'metadata'.
195  bool isMetadataTy() const { return getTypeID() == MetadataTyID; }
196 
197  /// Return true if this is 'token'.
198  bool isTokenTy() const { return getTypeID() == TokenTyID; }
199 
200  /// True if this is an instance of IntegerType.
201  bool isIntegerTy() const { return getTypeID() == IntegerTyID; }
202 
203  /// Return true if this is an IntegerType of the given width.
204  bool isIntegerTy(unsigned Bitwidth) const;
205 
206  /// Return true if this is an integer type or a vector of integer types.
207  bool isIntOrIntVectorTy() const { return getScalarType()->isIntegerTy(); }
208 
209  /// Return true if this is an integer type or a vector of integer types of
210  /// the given width.
211  bool isIntOrIntVectorTy(unsigned BitWidth) const {
213  }
214 
215  /// Return true if this is an integer type or a pointer type.
216  bool isIntOrPtrTy() const { return isIntegerTy() || isPointerTy(); }
217 
218  /// True if this is an instance of FunctionType.
219  bool isFunctionTy() const { return getTypeID() == FunctionTyID; }
220 
221  /// True if this is an instance of StructType.
222  bool isStructTy() const { return getTypeID() == StructTyID; }
223 
224  /// True if this is an instance of ArrayType.
225  bool isArrayTy() const { return getTypeID() == ArrayTyID; }
226 
227  /// True if this is an instance of PointerType.
228  bool isPointerTy() const { return getTypeID() == PointerTyID; }
229 
230  /// True if this is an instance of an opaque PointerType.
231  bool isOpaquePointerTy() const;
232 
233  /// Return true if this is a pointer type or a vector of pointer types.
234  bool isPtrOrPtrVectorTy() const { return getScalarType()->isPointerTy(); }
235 
236  /// True if this is an instance of VectorType.
237  inline bool isVectorTy() const {
239  }
240 
241  /// Return true if this type could be converted with a lossless BitCast to
242  /// type 'Ty'. For example, i8* to i32*. BitCasts are valid for types of the
243  /// same size only where no re-interpretation of the bits is done.
244  /// Determine if this type could be losslessly bitcast to Ty
245  bool canLosslesslyBitCastTo(Type *Ty) const;
246 
247  /// Return true if this type is empty, that is, it has no elements or all of
248  /// its elements are empty.
249  bool isEmptyTy() const;
250 
251  /// Return true if the type is "first class", meaning it is a valid type for a
252  /// Value.
253  bool isFirstClassType() const {
254  return getTypeID() != FunctionTyID && getTypeID() != VoidTyID;
255  }
256 
257  /// Return true if the type is a valid type for a register in codegen. This
258  /// includes all first-class types except struct and array types.
259  bool isSingleValueType() const {
260  return isFloatingPointTy() || isX86_MMXTy() || isIntegerTy() ||
261  isPointerTy() || isVectorTy() || isX86_AMXTy();
262  }
263 
264  /// Return true if the type is an aggregate type. This means it is valid as
265  /// the first operand of an insertvalue or extractvalue instruction. This
266  /// includes struct and array types, but does not include vector types.
267  bool isAggregateType() const {
268  return getTypeID() == StructTyID || getTypeID() == ArrayTyID;
269  }
270 
271  /// Return true if it makes sense to take the size of this type. To get the
272  /// actual size for a particular target, it is reasonable to use the
273  /// DataLayout subsystem to do this.
274  bool isSized(SmallPtrSetImpl<Type*> *Visited = nullptr) const {
275  // If it's a primitive, it is always sized.
276  if (getTypeID() == IntegerTyID || isFloatingPointTy() ||
278  getTypeID() == X86_AMXTyID)
279  return true;
280  // If it is not something that can have a size (e.g. a function or label),
281  // it doesn't have a size.
282  if (getTypeID() != StructTyID && getTypeID() != ArrayTyID && !isVectorTy())
283  return false;
284  // Otherwise we have to try harder to decide.
285  return isSizedDerivedType(Visited);
286  }
287 
288  /// Return the basic size of this type if it is a primitive type. These are
289  /// fixed by LLVM and are not target-dependent.
290  /// This will return zero if the type does not have a size or is not a
291  /// primitive type.
292  ///
293  /// If this is a scalable vector type, the scalable property will be set and
294  /// the runtime size will be a positive integer multiple of the base size.
295  ///
296  /// Note that this may not reflect the size of memory allocated for an
297  /// instance of the type or the number of bytes that are written when an
298  /// instance of the type is stored to memory. The DataLayout class provides
299  /// additional query functions to provide this information.
300  ///
302 
303  /// If this is a vector type, return the getPrimitiveSizeInBits value for the
304  /// element type. Otherwise return the getPrimitiveSizeInBits value for this
305  /// type.
307 
308  /// Return the width of the mantissa of this type. This is only valid on
309  /// floating-point types. If the FP type does not have a stable mantissa (e.g.
310  /// ppc long double), this method returns -1.
312 
313  /// Return whether the type is IEEE compatible, as defined by the eponymous
314  /// method in APFloat.
315  bool isIEEE() const { return APFloat::getZero(getFltSemantics()).isIEEE(); }
316 
317  /// If this is a vector type, return the element type, otherwise return
318  /// 'this'.
319  inline Type *getScalarType() const {
320  if (isVectorTy())
321  return getContainedType(0);
322  return const_cast<Type *>(this);
323  }
324 
325  //===--------------------------------------------------------------------===//
326  // Type Iteration support.
327  //
328  using subtype_iterator = Type * const *;
329 
334  }
335 
336  using subtype_reverse_iterator = std::reverse_iterator<subtype_iterator>;
337 
340  }
343  }
344 
345  /// This method is used to implement the type iterator (defined at the end of
346  /// the file). For derived types, this returns the types 'contained' in the
347  /// derived type.
348  Type *getContainedType(unsigned i) const {
349  assert(i < NumContainedTys && "Index out of range!");
350  return ContainedTys[i];
351  }
352 
353  /// Return the number of types in the derived type.
354  unsigned getNumContainedTypes() const { return NumContainedTys; }
355 
356  //===--------------------------------------------------------------------===//
357  // Helper methods corresponding to subclass methods. This forces a cast to
358  // the specified subclass and calls its accessor. "getArrayNumElements" (for
359  // example) is shorthand for cast<ArrayType>(Ty)->getNumElements(). This is
360  // only intended to cover the core methods that are frequently used, helper
361  // methods should not be added here.
362 
363  inline unsigned getIntegerBitWidth() const;
364 
365  inline Type *getFunctionParamType(unsigned i) const;
366  inline unsigned getFunctionNumParams() const;
367  inline bool isFunctionVarArg() const;
368 
369  inline StringRef getStructName() const;
370  inline unsigned getStructNumElements() const;
371  inline Type *getStructElementType(unsigned N) const;
372 
373  inline uint64_t getArrayNumElements() const;
374 
376  assert(getTypeID() == ArrayTyID);
377  return ContainedTys[0];
378  }
379 
382  return ContainedTys[0];
383  }
384 
385  /// Given vector type, change the element type,
386  /// whilst keeping the old number of elements.
387  /// For non-vectors simply returns \p EltTy.
388  inline Type *getWithNewType(Type *EltTy) const;
389 
390  /// Given an integer or vector type, change the lane bitwidth to NewBitwidth,
391  /// whilst keeping the old number of lanes.
392  inline Type *getWithNewBitWidth(unsigned NewBitWidth) const;
393 
394  /// Given scalar/vector integer type, returns a type with elements twice as
395  /// wide as in the original type. For vectors, preserves element count.
396  inline Type *getExtendedType() const;
397 
398  /// Get the address space of this pointer or pointer vector type.
399  inline unsigned getPointerAddressSpace() const;
400 
401  //===--------------------------------------------------------------------===//
402  // Static members exported by the Type class itself. Useful for getting
403  // instances of Type.
404  //
405 
406  /// Return a type based on an identifier.
407  static Type *getPrimitiveType(LLVMContext &C, TypeID IDNumber);
408 
409  //===--------------------------------------------------------------------===//
410  // These are the builtin types that are always available.
411  //
412  static Type *getVoidTy(LLVMContext &C);
413  static Type *getLabelTy(LLVMContext &C);
414  static Type *getHalfTy(LLVMContext &C);
415  static Type *getBFloatTy(LLVMContext &C);
416  static Type *getFloatTy(LLVMContext &C);
417  static Type *getDoubleTy(LLVMContext &C);
418  static Type *getMetadataTy(LLVMContext &C);
419  static Type *getX86_FP80Ty(LLVMContext &C);
420  static Type *getFP128Ty(LLVMContext &C);
421  static Type *getPPC_FP128Ty(LLVMContext &C);
422  static Type *getX86_MMXTy(LLVMContext &C);
423  static Type *getX86_AMXTy(LLVMContext &C);
424  static Type *getTokenTy(LLVMContext &C);
425  static IntegerType *getIntNTy(LLVMContext &C, unsigned N);
432  template <typename ScalarTy> static Type *getScalarTy(LLVMContext &C) {
433  int noOfBits = sizeof(ScalarTy) * CHAR_BIT;
434  if (std::is_integral<ScalarTy>::value) {
435  return (Type*) Type::getIntNTy(C, noOfBits);
436  } else if (std::is_floating_point<ScalarTy>::value) {
437  switch (noOfBits) {
438  case 32:
439  return Type::getFloatTy(C);
440  case 64:
441  return Type::getDoubleTy(C);
442  }
443  }
444  llvm_unreachable("Unsupported type in Type::getScalarTy");
445  }
447  Type *Ty;
448  if (&S == &APFloat::IEEEhalf())
449  Ty = Type::getHalfTy(C);
450  else if (&S == &APFloat::BFloat())
451  Ty = Type::getBFloatTy(C);
452  else if (&S == &APFloat::IEEEsingle())
453  Ty = Type::getFloatTy(C);
454  else if (&S == &APFloat::IEEEdouble())
455  Ty = Type::getDoubleTy(C);
456  else if (&S == &APFloat::x87DoubleExtended())
457  Ty = Type::getX86_FP80Ty(C);
458  else if (&S == &APFloat::IEEEquad())
459  Ty = Type::getFP128Ty(C);
460  else {
461  assert(&S == &APFloat::PPCDoubleDouble() && "Unknown FP format");
462  Ty = Type::getPPC_FP128Ty(C);
463  }
464  return Ty;
465  }
466 
467  //===--------------------------------------------------------------------===//
468  // Convenience methods for getting pointer types with one of the above builtin
469  // types as pointee.
470  //
471  static PointerType *getHalfPtrTy(LLVMContext &C, unsigned AS = 0);
472  static PointerType *getBFloatPtrTy(LLVMContext &C, unsigned AS = 0);
473  static PointerType *getFloatPtrTy(LLVMContext &C, unsigned AS = 0);
474  static PointerType *getDoublePtrTy(LLVMContext &C, unsigned AS = 0);
475  static PointerType *getX86_FP80PtrTy(LLVMContext &C, unsigned AS = 0);
476  static PointerType *getFP128PtrTy(LLVMContext &C, unsigned AS = 0);
477  static PointerType *getPPC_FP128PtrTy(LLVMContext &C, unsigned AS = 0);
478  static PointerType *getX86_MMXPtrTy(LLVMContext &C, unsigned AS = 0);
479  static PointerType *getX86_AMXPtrTy(LLVMContext &C, unsigned AS = 0);
480  static PointerType *getIntNPtrTy(LLVMContext &C, unsigned N, unsigned AS = 0);
481  static PointerType *getInt1PtrTy(LLVMContext &C, unsigned AS = 0);
482  static PointerType *getInt8PtrTy(LLVMContext &C, unsigned AS = 0);
483  static PointerType *getInt16PtrTy(LLVMContext &C, unsigned AS = 0);
484  static PointerType *getInt32PtrTy(LLVMContext &C, unsigned AS = 0);
485  static PointerType *getInt64PtrTy(LLVMContext &C, unsigned AS = 0);
486 
487  /// Return a pointer to the current type. This is equivalent to
488  /// PointerType::get(Foo, AddrSpace).
489  /// TODO: Remove this after opaque pointer transition is complete.
490  PointerType *getPointerTo(unsigned AddrSpace = 0) const;
491 
492 private:
493  /// Derived types like structures and arrays are sized iff all of the members
494  /// of the type are sized as well. Since asking for their size is relatively
495  /// uncommon, move this operation out-of-line.
496  bool isSizedDerivedType(SmallPtrSetImpl<Type*> *Visited = nullptr) const;
497 };
498 
499 // Printing of types.
500 inline raw_ostream &operator<<(raw_ostream &OS, const Type &T) {
501  T.print(OS);
502  return OS;
503 }
504 
505 // allow isa<PointerType>(x) to work without DerivedTypes.h included.
506 template <> struct isa_impl<PointerType, Type> {
507  static inline bool doit(const Type &Ty) {
508  return Ty.getTypeID() == Type::PointerTyID;
509  }
510 };
511 
512 // Create wrappers for C Binding types (see CBindingWrapping.h).
514 
515 /* Specialized opaque type conversions.
516  */
518  return reinterpret_cast<Type**>(Tys);
519 }
520 
521 inline LLVMTypeRef *wrap(Type **Tys) {
522  return reinterpret_cast<LLVMTypeRef*>(const_cast<Type**>(Tys));
523 }
524 
525 } // end namespace llvm
526 
527 #endif // LLVM_IR_TYPE_H
i
i
Definition: README.txt:29
llvm::Type::isFunctionVarArg
bool isFunctionVarArg() const
Definition: DerivedTypes.h:148
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:477
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:274
llvm::Type::subtype_end
subtype_iterator subtype_end() const
Definition: Type.h:331
LLVM_READONLY
#define LLVM_READONLY
Definition: Compiler.h:212
llvm::Type::DoubleTyID
@ DoubleTyID
64-bit floating point type
Definition: Type.h:59
llvm
---------------------— PointerInfo ------------------------------------—
Definition: AllocatorList.h:23
llvm::Type::getInt16PtrTy
static PointerType * getInt16PtrTy(LLVMContext &C, unsigned AS=0)
Definition: Type.cpp:259
llvm::Type::getInt1Ty
static IntegerType * getInt1Ty(LLVMContext &C)
Definition: Type.cpp:200
llvm::Type::getFunctionNumParams
unsigned getFunctionNumParams() const
Definition: DerivedTypes.h:156
llvm::Type::getInt8PtrTy
static PointerType * getInt8PtrTy(LLVMContext &C, unsigned AS=0)
Definition: Type.cpp:255
llvm::Type::isX86_MMXTy
bool isX86_MMXTy() const
Return true if this is X86 MMX.
Definition: Type.h:183
llvm::Type::getScalarTy
static Type * getScalarTy(LLVMContext &C)
Definition: Type.h:432
llvm::Type::getFP128Ty
static Type * getFP128Ty(LLVMContext &C)
Definition: Type.cpp:195
llvm::Type::isPointerTy
bool isPointerTy() const
True if this is an instance of PointerType.
Definition: Type.h:228
llvm::APFloatBase::IEEEsingle
static const fltSemantics & IEEEsingle() LLVM_READNONE
Definition: APFloat.cpp:170
llvm::Type::VoidTyID
@ VoidTyID
type with no size
Definition: Type.h:63
llvm::APFloat::isIEEE
bool isIEEE() const
Definition: APFloat.h:1233
llvm::Type::getScalarType
Type * getScalarType() const
If this is a vector type, return the element type, otherwise return 'this'.
Definition: Type.h:319
TypeSize.h
ErrorHandling.h
llvm::Type::getPointerAddressSpace
unsigned getPointerAddressSpace() const
Get the address space of this pointer or pointer vector type.
Definition: DerivedTypes.h:733
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:96
llvm::Type::getTypeID
TypeID getTypeID() const
Return the type id for the type.
Definition: Type.h:135
llvm::APFloatBase::x87DoubleExtended
static const fltSemantics & x87DoubleExtended() LLVM_READNONE
Definition: APFloat.cpp:179
llvm::Type::isFPOrFPVectorTy
bool isFPOrFPVectorTy() const
Return true if this is a FP type or a vector of FP.
Definition: Type.h:189
llvm::Type
The instances of the Type class are immutable: once they are created, they are never changed.
Definition: Type.h:45
llvm::APFloatBase::BFloat
static const fltSemantics & BFloat() LLVM_READNONE
Definition: APFloat.cpp:167
llvm::Type::getTokenTy
static Type * getTokenTy(LLVMContext &C)
Definition: Type.cpp:193
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:153
CBindingWrapping.h
llvm::Type::getPrimitiveType
static Type * getPrimitiveType(LLVMContext &C, TypeID IDNumber)
Return a type based on an identifier.
Definition: Type.cpp:39
llvm::Type::subtype_begin
subtype_iterator subtype_begin() const
Definition: Type.h:330
llvm::Type::subtype_iterator
Type *const * subtype_iterator
Definition: Type.h:328
llvm::Type::isFloatingPointTy
bool isFloatingPointTy() const
Return true if this is one of the six floating-point types.
Definition: Type.h:162
llvm::Type::getInt32PtrTy
static PointerType * getInt32PtrTy(LLVMContext &C, unsigned AS=0)
Definition: Type.cpp:263
llvm::Type::isMetadataTy
bool isMetadataTy() const
Return true if this is 'metadata'.
Definition: Type.h:195
llvm::Type::getInt8Ty
static IntegerType * getInt8Ty(LLVMContext &C)
Definition: Type.cpp:201
llvm::Type::getInt32Ty
static IntegerType * getInt32Ty(LLVMContext &C)
Definition: Type.cpp:203
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:720
llvm::Type::getBFloatPtrTy
static PointerType * getBFloatPtrTy(LLVMContext &C, unsigned AS=0)
Definition: Type.cpp:215
llvm::APFloatBase::IEEEquad
static const fltSemantics & IEEEquad() LLVM_READNONE
Definition: APFloat.cpp:176
Context
LLVMContext & Context
Definition: NVVMIntrRange.cpp:66
llvm::APFloat::getZero
static APFloat getZero(const fltSemantics &Sem, bool Negative=false)
Factory for Positive and Negative Zero.
Definition: APFloat.h:885
llvm::Type::getMetadataTy
static Type * getMetadataTy(LLVMContext &C)
Definition: Type.cpp:192
llvm::Type::isArrayTy
bool isArrayTy() const
True if this is an instance of ArrayType.
Definition: Type.h:225
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:259
llvm::Type::getFP128PtrTy
static PointerType * getFP128PtrTy(LLVMContext &C, unsigned AS=0)
Definition: Type.cpp:231
llvm::Type::MetadataTyID
@ MetadataTyID
Metadata.
Definition: Type.h:65
llvm::Type::getX86_AMXTy
static Type * getX86_AMXTy(LLVMContext &C)
Definition: Type.cpp:198
llvm::Type::FunctionTyID
@ FunctionTyID
Functions.
Definition: Type.h:72
llvm::Type::getPPC_FP128Ty
static Type * getPPC_FP128Ty(LLVMContext &C)
Definition: Type.cpp:196
llvm::APFloatBase::IEEEhalf
static const fltSemantics & IEEEhalf() LLVM_READNONE
Definition: APFloat.cpp:164
llvm::Type::getDoubleTy
static Type * getDoubleTy(LLVMContext &C)
Definition: Type.cpp:191
C
(vector float) vec_cmpeq(*A, *B) C
Definition: README_ALTIVEC.txt:86
llvm::LLVMContextImpl
Definition: LLVMContextImpl.h:1324
llvm::Type::print
void print(raw_ostream &O, bool IsForDebug=false, bool NoDetails=false) const
Print the current type.
Definition: AsmWriter.cpp:4567
llvm::Type::getPPC_FP128PtrTy
static PointerType * getPPC_FP128PtrTy(LLVMContext &C, unsigned AS=0)
Definition: Type.cpp:235
llvm::Type::getStructName
StringRef getStructName() const
Definition: DerivedTypes.h:343
llvm::Type::isVectorTy
bool isVectorTy() const
True if this is an instance of VectorType.
Definition: Type.h:237
llvm::Type::getFltSemantics
const fltSemantics & getFltSemantics() const
Definition: Type.h:169
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:198
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:153
llvm::unwrap
Attribute unwrap(LLVMAttributeRef Attr)
Definition: Attributes.h:256
llvm::raw_ostream
This class implements an extremely fast bulk output stream that can only output to a stream.
Definition: raw_ostream.h:53
LLVMTypeRef
struct LLVMOpaqueType * LLVMTypeRef
Each value in the LLVM IR has a type, an LLVMTypeRef.
Definition: Types.h:68
APFloat.h
This file declares a class to represent arbitrary precision floating point values and provide a varie...
llvm::operator<<
raw_ostream & operator<<(raw_ostream &OS, const APFixedPoint &FX)
Definition: APFixedPoint.h:230
SmallPtrSet.h
llvm::Type::PointerTyID
@ PointerTyID
Pointers.
Definition: Type.h:73
llvm::Type::subtype_rbegin
subtype_reverse_iterator subtype_rbegin() const
Definition: Type.h:338
llvm::Type::getInt1PtrTy
static PointerType * getInt1PtrTy(LLVMContext &C, unsigned AS=0)
Definition: Type.cpp:251
llvm::Type::isFunctionTy
bool isFunctionTy() const
True if this is an instance of FunctionType.
Definition: Type.h:219
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:96
llvm::Type::getStructNumElements
unsigned getStructNumElements() const
Definition: DerivedTypes.h:347
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:710
llvm::Type::isIntegerTy
bool isIntegerTy() const
True if this is an instance of IntegerType.
Definition: Type.h:201
llvm::Type::getIntNPtrTy
static PointerType * getIntNPtrTy(LLVMContext &C, unsigned N, unsigned AS=0)
Definition: Type.cpp:247
llvm::Type::subtypes
ArrayRef< Type * > subtypes() const
Definition: Type.h:332
llvm::Type::getArrayElementType
Type * getArrayElementType() const
Definition: Type.h:375
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:158
llvm::RISCVFenceField::O
@ O
Definition: RISCVBaseInfo.h:179
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:726
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:211
llvm::Type::isIntOrPtrTy
bool isIntOrPtrTy() const
Return true if this is an integer type or a pointer type.
Definition: Type.h:216
llvm::LLVMContext
This is an important class for using LLVM in a threaded context.
Definition: LLVMContext.h:68
llvm::Type::getInt64PtrTy
static PointerType * getInt64PtrTy(LLVMContext &C, unsigned AS=0)
Definition: Type.cpp:267
llvm::Type::subtype_rend
subtype_reverse_iterator subtype_rend() const
Definition: Type.h:341
llvm::PointerType
Class to represent pointers.
Definition: DerivedTypes.h:631
ArrayRef.h
llvm::Type::isHalfTy
bool isHalfTy() const
Return true if this is 'half', a 16-bit IEEE fp type.
Definition: Type.h:141
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:239
llvm::APFloatBase::PPCDoubleDouble
static const fltSemantics & PPCDoubleDouble() LLVM_READNONE
Definition: APFloat.cpp:185
assert
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
llvm::Type::getArrayNumElements
uint64_t getArrayNumElements() const
Definition: DerivedTypes.h:383
llvm::Type::isVoidTy
bool isVoidTy() const
Return true if this is 'void'.
Definition: Type.h:138
llvm::Type::getX86_FP80Ty
static Type * getX86_FP80Ty(LLVMContext &C)
Definition: Type.cpp:194
llvm::Type::getDoublePtrTy
static PointerType * getDoublePtrTy(LLVMContext &C, unsigned AS=0)
Definition: Type.cpp:223
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:251
llvm::Type::setSubclassData
void setSubclassData(unsigned val)
Definition: Type.h:98
llvm::Type::Type
Type(LLVMContext &C, TypeID tid)
Definition: Type.h:92
llvm::ArrayRef
ArrayRef - Represent a constant reference to an array (0 or more elements consecutively in memory),...
Definition: APInt.h:32
llvm::APFloatBase::IEEEdouble
static const fltSemantics & IEEEdouble() LLVM_READNONE
Definition: APFloat.cpp:173
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:58
llvm::Type::getStructElementType
Type * getStructElementType(unsigned N) const
Definition: DerivedTypes.h:351
llvm_unreachable
#define llvm_unreachable(msg)
Marks that the current location is not supposed to be reachable.
Definition: ErrorHandling.h:136
llvm::Type::getNumContainedTypes
unsigned getNumContainedTypes() const
Return the number of types in the derived type.
Definition: Type.h:354
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:192
llvm::Type::isPtrOrPtrVectorTy
bool isPtrOrPtrVectorTy() const
Return true if this is a pointer type or a vector of pointer types.
Definition: Type.h:234
llvm::Type::getContext
LLVMContext & getContext() const
Return the LLVMContext in which this type was uniqued.
Definition: Type.h:127
llvm::Type::getInt128Ty
static IntegerType * getInt128Ty(LLVMContext &C)
Definition: Type.cpp:205
llvm::Type::getFloatPtrTy
static PointerType * getFloatPtrTy(LLVMContext &C, unsigned AS=0)
Definition: Type.cpp:219
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:105
llvm::Type::getInt64Ty
static IntegerType * getInt64Ty(LLVMContext &C)
Definition: Type.cpp:204
llvm::Type::getIntNTy
static IntegerType * getIntNTy(LLVMContext &C, unsigned N)
Definition: Type.cpp:207
llvm::Type::isFloatTy
bool isFloatTy() const
Return true if this is 'float', a 32-bit IEEE fp type.
Definition: Type.h:147
llvm::Type::getHalfTy
static Type * getHalfTy(LLVMContext &C)
Definition: Type.cpp:188
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:111
llvm::Type::isIntOrIntVectorTy
bool isIntOrIntVectorTy() const
Return true if this is an integer type or a vector of integer types.
Definition: Type.h:207
llvm::TypeSize
Definition: TypeSize.h:417
Casting.h
llvm::fltSemantics
Definition: APFloat.cpp:54
llvm::BitWidth
constexpr unsigned BitWidth
Definition: BitmaskEnum.h:147
llvm::Type::getPointerTo
PointerType * getPointerTo(unsigned AddrSpace=0) const
Return a pointer to the current type.
Definition: Type.cpp:738
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:150
llvm::Type::isPPC_FP128Ty
bool isPPC_FP128Ty() const
Return true if this is powerpc long double.
Definition: Type.h:159
llvm::Type::getBFloatTy
static Type * getBFloatTy(LLVMContext &C)
Definition: Type.cpp:189
llvm::Type::dump
void dump() const
Definition: AsmWriter.cpp:4758
llvm::Type::ContainedTys
Type *const * ContainedTys
A pointer to the array of Types contained by this Type.
Definition: Type.h:112
llvm::Type::getX86_FP80PtrTy
static PointerType * getX86_FP80PtrTy(LLVMContext &C, unsigned AS=0)
Definition: Type.cpp:227
llvm::makeArrayRef
ArrayRef< T > makeArrayRef(const T &OneElt)
Construct an ArrayRef from a single element.
Definition: ArrayRef.h:476
llvm::Type::LabelTyID
@ LabelTyID
Labels.
Definition: Type.h:64
llvm::Type::getVoidTy
static Type * getVoidTy(LLVMContext &C)
Definition: Type.cpp:186
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:63
llvm::Type::getFloatingPointTy
static Type * getFloatingPointTy(LLVMContext &C, const fltSemantics &S)
Definition: Type.h:446
llvm::Type::isStructTy
bool isStructTy() const
True if this is an instance of StructType.
Definition: Type.h:222
llvm::isa_impl< PointerType, Type >::doit
static bool doit(const Type &Ty)
Definition: Type.h:507
llvm::Type::isBFloatTy
bool isBFloatTy() const
Return true if this is 'bfloat', a 16-bit bfloat type.
Definition: Type.h:144
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:211
llvm::Type::~Type
~Type()=default
llvm::Type::getPointerElementType
Type * getPointerElementType() const
Definition: Type.h:380
N
#define N
llvm::Type::isIEEE
bool isIEEE() const
Return whether the type is IEEE compatible, as defined by the eponymous method in APFloat.
Definition: Type.h:315
llvm::Type::subtype_reverse_iterator
std::reverse_iterator< subtype_iterator > subtype_reverse_iterator
Definition: Type.h:336
llvm::Type::getInt16Ty
static IntegerType * getInt16Ty(LLVMContext &C)
Definition: Type.cpp:202
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:343
llvm::Type::getLabelTy
static Type * getLabelTy(LLVMContext &C)
Definition: Type.cpp:187
llvm::Type::isAggregateType
bool isAggregateType() const
Return true if the type is an aggregate type.
Definition: Type.h:267
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:197
llvm::Type::getFunctionParamType
Type * getFunctionParamType(unsigned i) const
Definition: DerivedTypes.h:152
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:69
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:348
llvm::Type::isFP128Ty
bool isFP128Ty() const
Return true if this is 'fp128'.
Definition: Type.h:156
llvm::Type::getX86_AMXPtrTy
static PointerType * getX86_AMXPtrTy(LLVMContext &C, unsigned AS=0)
Definition: Type.cpp:243
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:56
llvm::Type::getFloatTy
static Type * getFloatTy(LLVMContext &C)
Definition: Type.cpp:190
llvm::Type::isX86_AMXTy
bool isX86_AMXTy() const
Return true if this is X86 AMX.
Definition: Type.h:186
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:253
llvm::Type::getPrimitiveSizeInBits
TypeSize getPrimitiveSizeInBits() const LLVM_READONLY
Return the basic size of this type if it is a primitive type.
Definition: Type.cpp:128
llvm::Intrinsic::ID
unsigned ID
Definition: TargetTransformInfo.h:38