LLVM 20.0.0git
Type.h
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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"
23#include <cassert>
24#include <cstdint>
25#include <iterator>
26
27namespace llvm {
28
29class IntegerType;
30struct fltSemantics;
31class LLVMContext;
32class PointerType;
33class raw_ostream;
34class StringRef;
35template <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///
45class Type {
46public:
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_AMXTyID, ///< AMX vectors (8192 bits, X86 specific)
67 TokenTyID, ///< Tokens
68
69 // Derived types... see DerivedTypes.h file.
70 IntegerTyID, ///< Arbitrary bit width integers
71 FunctionTyID, ///< Functions
72 PointerTyID, ///< Pointers
73 StructTyID, ///< Structures
74 ArrayTyID, ///< Arrays
75 FixedVectorTyID, ///< Fixed width SIMD vector type
76 ScalableVectorTyID, ///< Scalable SIMD vector type
77 TypedPointerTyID, ///< Typed pointer used by some GPU targets
78 TargetExtTyID, ///< Target extension type
79 };
80
81private:
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
90protected:
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
115public:
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 a well-behaved IEEE-like type, which has a IEEE
168 /// compatible layout as defined by APFloat::isIEEE(), and does not have
169 /// non-IEEE values, such as x86_fp80's unnormal values.
170 bool isIEEELikeFPTy() const {
171 switch (getTypeID()) {
172 case DoubleTyID:
173 case FloatTyID:
174 case HalfTyID:
175 case BFloatTyID:
176 case FP128TyID:
177 return true;
178 default:
179 return false;
180 }
181 }
182
183 /// Return true if this is one of the floating-point types
184 bool isFloatingPointTy() const {
185 return isIEEELikeFPTy() || getTypeID() == X86_FP80TyID ||
187 }
188
189 /// Returns true if this is a floating-point type that is an unevaluated sum
190 /// of multiple floating-point units.
191 /// An example of such a type is ppc_fp128, also known as double-double, which
192 /// consists of two IEEE 754 doubles.
193 bool isMultiUnitFPType() const {
194 return getTypeID() == PPC_FP128TyID;
195 }
196
198
199 /// Return true if this is X86 AMX.
200 bool isX86_AMXTy() const { return getTypeID() == X86_AMXTyID; }
201
202 /// Return true if this is a target extension type.
203 bool isTargetExtTy() const { return getTypeID() == TargetExtTyID; }
204
205 /// Return true if this is a target extension type with a scalable layout.
207
208 /// Return true if this is a type whose size is a known multiple of vscale.
209 bool isScalableTy() const;
210
211 /// Return true if this is a FP type or a vector of FP.
213
214 /// Return true if this is 'label'.
215 bool isLabelTy() const { return getTypeID() == LabelTyID; }
216
217 /// Return true if this is 'metadata'.
218 bool isMetadataTy() const { return getTypeID() == MetadataTyID; }
219
220 /// Return true if this is 'token'.
221 bool isTokenTy() const { return getTypeID() == TokenTyID; }
222
223 /// True if this is an instance of IntegerType.
224 bool isIntegerTy() const { return getTypeID() == IntegerTyID; }
225
226 /// Return true if this is an IntegerType of the given width.
227 bool isIntegerTy(unsigned Bitwidth) const;
228
229 /// Return true if this is an integer type or a vector of integer types.
230 bool isIntOrIntVectorTy() const { return getScalarType()->isIntegerTy(); }
231
232 /// Return true if this is an integer type or a vector of integer types of
233 /// the given width.
234 bool isIntOrIntVectorTy(unsigned BitWidth) const {
236 }
237
238 /// Return true if this is an integer type or a pointer type.
239 bool isIntOrPtrTy() const { return isIntegerTy() || isPointerTy(); }
240
241 /// True if this is an instance of FunctionType.
242 bool isFunctionTy() const { return getTypeID() == FunctionTyID; }
243
244 /// True if this is an instance of StructType.
245 bool isStructTy() const { return getTypeID() == StructTyID; }
246
247 /// True if this is an instance of ArrayType.
248 bool isArrayTy() const { return getTypeID() == ArrayTyID; }
249
250 /// True if this is an instance of PointerType.
251 bool isPointerTy() const { return getTypeID() == PointerTyID; }
252
253 /// True if this is an instance of an opaque PointerType.
254 LLVM_DEPRECATED("Use isPointerTy() instead", "isPointerTy")
255 bool isOpaquePointerTy() const { return isPointerTy(); };
256
257 /// Return true if this is a pointer type or a vector of pointer types.
258 bool isPtrOrPtrVectorTy() const { return getScalarType()->isPointerTy(); }
259
260 /// True if this is an instance of VectorType.
261 inline bool isVectorTy() const {
263 }
264
265 /// Return true if this type could be converted with a lossless BitCast to
266 /// type 'Ty'. For example, i8* to i32*. BitCasts are valid for types of the
267 /// same size only where no re-interpretation of the bits is done.
268 /// Determine if this type could be losslessly bitcast to Ty
270
271 /// Return true if this type is empty, that is, it has no elements or all of
272 /// its elements are empty.
273 bool isEmptyTy() const;
274
275 /// Return true if the type is "first class", meaning it is a valid type for a
276 /// Value.
277 bool isFirstClassType() const {
278 return getTypeID() != FunctionTyID && getTypeID() != VoidTyID;
279 }
280
281 /// Return true if the type is a valid type for a register in codegen. This
282 /// includes all first-class types except struct and array types.
283 bool isSingleValueType() const {
284 return isFloatingPointTy() || isIntegerTy() || isPointerTy() ||
286 }
287
288 /// Return true if the type is an aggregate type. This means it is valid as
289 /// the first operand of an insertvalue or extractvalue instruction. This
290 /// includes struct and array types, but does not include vector types.
291 bool isAggregateType() const {
292 return getTypeID() == StructTyID || getTypeID() == ArrayTyID;
293 }
294
295 /// Return true if it makes sense to take the size of this type. To get the
296 /// actual size for a particular target, it is reasonable to use the
297 /// DataLayout subsystem to do this.
298 bool isSized(SmallPtrSetImpl<Type*> *Visited = nullptr) const {
299 // If it's a primitive, it is always sized.
302 return true;
303 // If it is not something that can have a size (e.g. a function or label),
304 // it doesn't have a size.
305 if (getTypeID() != StructTyID && getTypeID() != ArrayTyID &&
307 return false;
308 // Otherwise we have to try harder to decide.
309 return isSizedDerivedType(Visited);
310 }
311
312 /// Return the basic size of this type if it is a primitive type. These are
313 /// fixed by LLVM and are not target-dependent.
314 /// This will return zero if the type does not have a size or is not a
315 /// primitive type.
316 ///
317 /// If this is a scalable vector type, the scalable property will be set and
318 /// the runtime size will be a positive integer multiple of the base size.
319 ///
320 /// Note that this may not reflect the size of memory allocated for an
321 /// instance of the type or the number of bytes that are written when an
322 /// instance of the type is stored to memory. The DataLayout class provides
323 /// additional query functions to provide this information.
324 ///
326
327 /// If this is a vector type, return the getPrimitiveSizeInBits value for the
328 /// element type. Otherwise return the getPrimitiveSizeInBits value for this
329 /// type.
331
332 /// Return the width of the mantissa of this type. This is only valid on
333 /// floating-point types. If the FP type does not have a stable mantissa (e.g.
334 /// ppc long double), this method returns -1.
336
337 /// Return whether the type is IEEE compatible, as defined by the eponymous
338 /// method in APFloat.
339 bool isIEEE() const;
340
341 /// If this is a vector type, return the element type, otherwise return
342 /// 'this'.
344 if (isVectorTy())
345 return getContainedType(0);
346 return const_cast<Type *>(this);
347 }
348
349 //===--------------------------------------------------------------------===//
350 // Type Iteration support.
351 //
352 using subtype_iterator = Type * const *;
353
358 }
359
360 using subtype_reverse_iterator = std::reverse_iterator<subtype_iterator>;
361
364 }
367 }
368
369 /// This method is used to implement the type iterator (defined at the end of
370 /// the file). For derived types, this returns the types 'contained' in the
371 /// derived type.
372 Type *getContainedType(unsigned i) const {
373 assert(i < NumContainedTys && "Index out of range!");
374 return ContainedTys[i];
375 }
376
377 /// Return the number of types in the derived type.
378 unsigned getNumContainedTypes() const { return NumContainedTys; }
379
380 //===--------------------------------------------------------------------===//
381 // Helper methods corresponding to subclass methods. This forces a cast to
382 // the specified subclass and calls its accessor. "getArrayNumElements" (for
383 // example) is shorthand for cast<ArrayType>(Ty)->getNumElements(). This is
384 // only intended to cover the core methods that are frequently used, helper
385 // methods should not be added here.
386
387 inline unsigned getIntegerBitWidth() const;
388
389 inline Type *getFunctionParamType(unsigned i) const;
390 inline unsigned getFunctionNumParams() const;
391 inline bool isFunctionVarArg() const;
392
393 inline StringRef getStructName() const;
394 inline unsigned getStructNumElements() const;
395 inline Type *getStructElementType(unsigned N) const;
396
398
401 return ContainedTys[0];
402 }
403
405
406 /// Only use this method in code that is not reachable with opaque pointers,
407 /// or part of deprecated methods that will be removed as part of the opaque
408 /// pointers transition.
409 [[deprecated("Pointers no longer have element types")]]
411 llvm_unreachable("Pointers no longer have element types");
412 }
413
414 /// Given vector type, change the element type,
415 /// whilst keeping the old number of elements.
416 /// For non-vectors simply returns \p EltTy.
417 inline Type *getWithNewType(Type *EltTy) const;
418
419 /// Given an integer or vector type, change the lane bitwidth to NewBitwidth,
420 /// whilst keeping the old number of lanes.
421 inline Type *getWithNewBitWidth(unsigned NewBitWidth) const;
422
423 /// Given scalar/vector integer type, returns a type with elements twice as
424 /// wide as in the original type. For vectors, preserves element count.
425 inline Type *getExtendedType() const;
426
427 /// Get the address space of this pointer or pointer vector type.
428 inline unsigned getPointerAddressSpace() const;
429
430 //===--------------------------------------------------------------------===//
431 // Static members exported by the Type class itself. Useful for getting
432 // instances of Type.
433 //
434
435 /// Return a type based on an identifier.
437
438 //===--------------------------------------------------------------------===//
439 // These are the builtin types that are always available.
440 //
453 static IntegerType *getIntNTy(LLVMContext &C, unsigned N);
460 template <typename ScalarTy> static Type *getScalarTy(LLVMContext &C) {
461 int noOfBits = sizeof(ScalarTy) * CHAR_BIT;
462 if (std::is_integral<ScalarTy>::value) {
463 return (Type*) Type::getIntNTy(C, noOfBits);
464 } else if (std::is_floating_point<ScalarTy>::value) {
465 switch (noOfBits) {
466 case 32:
467 return Type::getFloatTy(C);
468 case 64:
469 return Type::getDoubleTy(C);
470 }
471 }
472 llvm_unreachable("Unsupported type in Type::getScalarTy");
473 }
475
476 //===--------------------------------------------------------------------===//
477 // Convenience methods for getting pointer types.
478 //
481
482 /// Return a pointer to the current type. This is equivalent to
483 /// PointerType::get(Foo, AddrSpace).
484 /// TODO: Remove this after opaque pointer transition is complete.
485 PointerType *getPointerTo(unsigned AddrSpace = 0) const;
486
487private:
488 /// Derived types like structures and arrays are sized iff all of the members
489 /// of the type are sized as well. Since asking for their size is relatively
490 /// uncommon, move this operation out-of-line.
491 bool isSizedDerivedType(SmallPtrSetImpl<Type*> *Visited = nullptr) const;
492};
493
494// Printing of types.
496 T.print(OS);
497 return OS;
498}
499
500// allow isa<PointerType>(x) to work without DerivedTypes.h included.
501template <> struct isa_impl<PointerType, Type> {
502 static inline bool doit(const Type &Ty) {
503 return Ty.getTypeID() == Type::PointerTyID;
504 }
505};
506
507// Create wrappers for C Binding types (see CBindingWrapping.h).
509
510/* Specialized opaque type conversions.
511 */
513 return reinterpret_cast<Type**>(Tys);
514}
515
516inline LLVMTypeRef *wrap(Type **Tys) {
517 return reinterpret_cast<LLVMTypeRef*>(const_cast<Type**>(Tys));
518}
519
520} // end namespace llvm
521
522#endif // LLVM_IR_TYPE_H
aarch64 promote const
always inline
#define DEFINE_ISA_CONVERSION_FUNCTIONS(ty, ref)
#define LLVM_DEPRECATED(MSG, FIX)
Definition: Compiler.h:157
#define LLVM_READONLY
Definition: Compiler.h:227
Type::TypeID TypeID
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
raw_pwrite_stream & OS
ArrayRef - Represent a constant reference to an array (0 or more elements consecutively in memory),...
Definition: ArrayRef.h:41
Class to represent integer types.
Definition: DerivedTypes.h:40
This is an important class for using LLVM in a threaded context.
Definition: LLVMContext.h:67
Class to represent pointers.
Definition: DerivedTypes.h:646
A templated base class for SmallPtrSet which provides the typesafe interface that is common across al...
Definition: SmallPtrSet.h:347
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:50
The instances of the Type class are immutable: once they are created, they are never changed.
Definition: Type.h:45
~Type()=default
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:234
static Type * getHalfTy(LLVMContext &C)
unsigned getIntegerBitWidth() const
Type * getStructElementType(unsigned N) const
static Type * getDoubleTy(LLVMContext &C)
const fltSemantics & getFltSemantics() const
bool isVectorTy() const
True if this is an instance of VectorType.
Definition: Type.h:261
static Type * getFloatingPointTy(LLVMContext &C, const fltSemantics &S)
bool isX86_FP80Ty() const
Return true if this is x86 long double.
Definition: Type.h:159
PointerType * getPointerTo(unsigned AddrSpace=0) const
Return a pointer to the current type.
bool isArrayTy() const
True if this is an instance of ArrayType.
Definition: Type.h:248
static Type * getX86_FP80Ty(LLVMContext &C)
bool isLabelTy() const
Return true if this is 'label'.
Definition: Type.h:215
static Type * getBFloatTy(LLVMContext &C)
bool isIntOrIntVectorTy() const
Return true if this is an integer type or a vector of integer types.
Definition: Type.h:230
bool isPointerTy() const
True if this is an instance of PointerType.
Definition: Type.h:251
static IntegerType * getInt1Ty(LLVMContext &C)
Type * getArrayElementType() const
Definition: Type.h:399
bool isFloatTy() const
Return true if this is 'float', a 32-bit IEEE fp type.
Definition: Type.h:153
bool isEmptyTy() const
Return true if this type is empty, that is, it has no elements or all of its elements are empty.
Type * getNonOpaquePointerElementType() const
Only use this method in code that is not reachable with opaque pointers, or part of deprecated method...
Definition: Type.h:410
void dump() const
bool isIntegerTy(unsigned Bitwidth) const
Return true if this is an IntegerType of the given width.
static Type * getX86_AMXTy(LLVMContext &C)
bool isBFloatTy() const
Return true if this is 'bfloat', a 16-bit bfloat type.
Definition: Type.h:145
static Type * getMetadataTy(LLVMContext &C)
StringRef getStructName() const
Type *const * subtype_iterator
Definition: Type.h:352
unsigned getStructNumElements() const
unsigned getPointerAddressSpace() const
Get the address space of this pointer or pointer vector type.
uint64_t getArrayNumElements() const
TypeID
Definitions of all of the base types for the Type system.
Definition: Type.h:54
@ X86_AMXTyID
AMX vectors (8192 bits, X86 specific)
Definition: Type.h:66
@ FunctionTyID
Functions.
Definition: Type.h:71
@ ArrayTyID
Arrays.
Definition: Type.h:74
@ TypedPointerTyID
Typed pointer used by some GPU targets.
Definition: Type.h:77
@ HalfTyID
16-bit floating point type
Definition: Type.h:56
@ TargetExtTyID
Target extension type.
Definition: Type.h:78
@ VoidTyID
type with no size
Definition: Type.h:63
@ ScalableVectorTyID
Scalable SIMD vector type.
Definition: Type.h:76
@ LabelTyID
Labels.
Definition: Type.h:64
@ FloatTyID
32-bit floating point type
Definition: Type.h:58
@ StructTyID
Structures.
Definition: Type.h:73
@ IntegerTyID
Arbitrary bit width integers.
Definition: Type.h:70
@ FixedVectorTyID
Fixed width SIMD vector type.
Definition: Type.h:75
@ BFloatTyID
16-bit floating point type (7-bit significand)
Definition: Type.h:57
@ DoubleTyID
64-bit floating point type
Definition: Type.h:59
@ X86_FP80TyID
80-bit floating point type (X87)
Definition: Type.h:60
@ PPC_FP128TyID
128-bit floating point type (two 64-bits, PowerPC)
Definition: Type.h:62
@ MetadataTyID
Metadata.
Definition: Type.h:65
@ TokenTyID
Tokens.
Definition: Type.h:67
@ PointerTyID
Pointers.
Definition: Type.h:72
@ FP128TyID
128-bit floating point type (112-bit significand)
Definition: Type.h:61
ArrayRef< Type * > subtypes() const
Definition: Type.h:356
bool isSingleValueType() const
Return true if the type is a valid type for a register in codegen.
Definition: Type.h:283
void print(raw_ostream &O, bool IsForDebug=false, bool NoDetails=false) const
Print the current type.
unsigned getNumContainedTypes() const
Return the number of types in the derived type.
Definition: Type.h:378
bool isPPC_FP128Ty() const
Return true if this is powerpc long double.
Definition: Type.h:165
unsigned NumContainedTys
Keeps track of how many Type*'s there are in the ContainedTys list.
Definition: Type.h:106
static IntegerType * getIntNTy(LLVMContext &C, unsigned N)
bool isFP128Ty() const
Return true if this is 'fp128'.
Definition: Type.h:162
bool is16bitFPTy() const
Return true if this is a 16-bit float type.
Definition: Type.h:148
StringRef getTargetExtName() const
unsigned getScalarSizeInBits() const LLVM_READONLY
If this is a vector type, return the getPrimitiveSizeInBits value for the element type.
static Type * getVoidTy(LLVMContext &C)
static Type * getLabelTy(LLVMContext &C)
bool isScalableTargetExtTy() const
Return true if this is a target extension type with a scalable layout.
bool isMultiUnitFPType() const
Returns true if this is a floating-point type that is an unevaluated sum of multiple floating-point u...
Definition: Type.h:193
Type(LLVMContext &C, TypeID tid)
Definition: Type.h:93
bool isStructTy() const
True if this is an instance of StructType.
Definition: Type.h:245
bool isFirstClassType() const
Return true if the type is "first class", meaning it is a valid type for a Value.
Definition: Type.h:277
static Type * getFP128Ty(LLVMContext &C)
Type * getWithNewBitWidth(unsigned NewBitWidth) const
Given an integer or vector type, change the lane bitwidth to NewBitwidth, whilst keeping the old numb...
bool isTargetExtTy() const
Return true if this is a target extension type.
Definition: Type.h:203
bool isSized(SmallPtrSetImpl< Type * > *Visited=nullptr) const
Return true if it makes sense to take the size of this type.
Definition: Type.h:298
static IntegerType * getInt16Ty(LLVMContext &C)
bool isAggregateType() const
Return true if the type is an aggregate type.
Definition: Type.h:291
bool isHalfTy() const
Return true if this is 'half', a 16-bit IEEE fp type.
Definition: Type.h:142
Type * getWithNewType(Type *EltTy) const
Given vector type, change the element type, whilst keeping the old number of elements.
LLVMContext & getContext() const
Return the LLVMContext in which this type was uniqued.
Definition: Type.h:128
static Type * getPrimitiveType(LLVMContext &C, TypeID IDNumber)
Return a type based on an identifier.
int getFPMantissaWidth() const
Return the width of the mantissa of this type.
Type *const * ContainedTys
A pointer to the array of Types contained by this Type.
Definition: Type.h:113
unsigned getSubclassData() const
Definition: Type.h:97
static IntegerType * getInt8Ty(LLVMContext &C)
bool isIEEE() const
Return whether the type is IEEE compatible, as defined by the eponymous method in APFloat.
std::reverse_iterator< subtype_iterator > subtype_reverse_iterator
Definition: Type.h:360
static IntegerType * getInt128Ty(LLVMContext &C)
bool isFunctionVarArg() const
bool isDoubleTy() const
Return true if this is 'double', a 64-bit IEEE fp type.
Definition: Type.h:156
void setSubclassData(unsigned val)
Definition: Type.h:99
static Type * getTokenTy(LLVMContext &C)
bool isFloatingPointTy() const
Return true if this is one of the floating-point types.
Definition: Type.h:184
bool isPtrOrPtrVectorTy() const
Return true if this is a pointer type or a vector of pointer types.
Definition: Type.h:258
subtype_iterator subtype_begin() const
Definition: Type.h:354
bool isX86_AMXTy() const
Return true if this is X86 AMX.
Definition: Type.h:200
static Type * getScalarTy(LLVMContext &C)
Definition: Type.h:460
bool isFunctionTy() const
True if this is an instance of FunctionType.
Definition: Type.h:242
bool isScalableTy() const
Return true if this is a type whose size is a known multiple of vscale.
bool canLosslesslyBitCastTo(Type *Ty) const
Return true if this type could be converted with a lossless BitCast to type 'Ty'.
bool isIntOrPtrTy() const
Return true if this is an integer type or a pointer type.
Definition: Type.h:239
static IntegerType * getInt32Ty(LLVMContext &C)
static IntegerType * getInt64Ty(LLVMContext &C)
Type * getExtendedType() const
Given scalar/vector integer type, returns a type with elements twice as wide as in the original type.
static Type * getFloatTy(LLVMContext &C)
bool isIntegerTy() const
True if this is an instance of IntegerType.
Definition: Type.h:224
TypeID getTypeID() const
Return the type id for the type.
Definition: Type.h:136
static Type * getWasm_FuncrefTy(LLVMContext &C)
bool isTokenTy() const
Return true if this is 'token'.
Definition: Type.h:221
Type * getFunctionParamType(unsigned i) const
subtype_reverse_iterator subtype_rend() const
Definition: Type.h:365
bool isFPOrFPVectorTy() const
Return true if this is a FP type or a vector of FP.
Definition: Type.h:212
TypeSize getPrimitiveSizeInBits() const LLVM_READONLY
Return the basic size of this type if it is a primitive type.
subtype_reverse_iterator subtype_rbegin() const
Definition: Type.h:362
Type * getContainedType(unsigned i) const
This method is used to implement the type iterator (defined at the end of the file).
Definition: Type.h:372
subtype_iterator subtype_end() const
Definition: Type.h:355
bool isIEEELikeFPTy() const
Return true if this is a well-behaved IEEE-like type, which has a IEEE compatible layout as defined b...
Definition: Type.h:170
static Type * getPPC_FP128Ty(LLVMContext &C)
bool isOpaquePointerTy() const
True if this is an instance of an opaque PointerType.
Definition: Type.h:255
unsigned getFunctionNumParams() const
static Type * getWasm_ExternrefTy(LLVMContext &C)
bool isVoidTy() const
Return true if this is 'void'.
Definition: Type.h:139
Type * getScalarType() const
If this is a vector type, return the element type, otherwise return 'this'.
Definition: Type.h:343
bool isMetadataTy() const
Return true if this is 'metadata'.
Definition: Type.h:218
This class implements an extremely fast bulk output stream that can only output to a stream.
Definition: raw_ostream.h:52
struct LLVMOpaqueType * LLVMTypeRef
Each value in the LLVM IR has a type, an LLVMTypeRef.
Definition: Types.h:68
#define llvm_unreachable(msg)
Marks that the current location is not supposed to be reachable.
@ C
The default llvm calling convention, compatible with C.
Definition: CallingConv.h:34
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
Attribute unwrap(LLVMAttributeRef Attr)
Definition: Attributes.h:320
raw_ostream & operator<<(raw_ostream &OS, const APFixedPoint &FX)
Definition: APFixedPoint.h:293
constexpr unsigned BitWidth
Definition: BitmaskEnum.h:191
LLVMAttributeRef wrap(Attribute Attr)
Definition: Attributes.h:315
#define N
static bool doit(const Type &Ty)
Definition: Type.h:502