1 //===-- llvm/Attributes.h - Container for Attributes ------------*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 ///
10 /// \file
11 /// \brief This file contains the simple types necessary to represent the
12 /// attributes associated with functions and their calls.
13 ///
14 //===----------------------------------------------------------------------===//
15
16 #ifndef LLVM_IR_ATTRIBUTES_H
17 #define LLVM_IR_ATTRIBUTES_H
18
19 #include "llvm/ADT/ArrayRef.h"
20 #include "llvm/ADT/FoldingSet.h"
21 #include "llvm/ADT/Optional.h"
22 #include "llvm/Support/Compiler.h"
23 #include "llvm/Support/PointerLikeTypeTraits.h"
24 #include "llvm-c/Types.h"
25 #include <bitset>
26 #include <cassert>
27 #include <map>
28 #include <string>
29
30 namespace llvm {
31
32 class AttrBuilder;
33 class AttributeImpl;
34 class AttributeSetImpl;
35 class AttributeSetNode;
36 class Constant;
37 template<typename T> struct DenseMapInfo;
38 class Function;
39 class LLVMContext;
40 class Type;
41
42 //===----------------------------------------------------------------------===//
43 /// \class
44 /// \brief Functions, function parameters, and return types can have attributes
45 /// to indicate how they should be treated by optimizations and code
46 /// generation. This class represents one of those attributes. It's light-weight
47 /// and should be passed around by-value.
48 class Attribute {
49 public:
50 /// This enumeration lists the attributes that can be associated with
51 /// parameters, function results, or the function itself.
52 ///
53 /// Note: The `uwtable' attribute is about the ABI or the user mandating an
54 /// entry in the unwind table. The `nounwind' attribute is about an exception
55 /// passing by the function.
56 ///
57 /// In a theoretical system that uses tables for profiling and SjLj for
58 /// exceptions, they would be fully independent. In a normal system that uses
59 /// tables for both, the semantics are:
60 ///
61 /// nil = Needs an entry because an exception might pass by.
62 /// nounwind = No need for an entry
63 /// uwtable = Needs an entry because the ABI says so and because
64 /// an exception might pass by.
65 /// uwtable + nounwind = Needs an entry because the ABI says so.
66
67 enum AttrKind {
68 // IR-Level Attributes
69 None, ///< No attributes have been set
70 #define GET_ATTR_ENUM
71 #include "llvm/IR/Attributes.gen"
72 EndAttrKinds ///< Sentinal value useful for loops
73 };
74
75 private:
76 AttributeImpl *pImpl;
Attribute(AttributeImpl * A)77 Attribute(AttributeImpl *A) : pImpl(A) {}
78
79 public:
Attribute()80 Attribute() : pImpl(nullptr) {}
81
82 //===--------------------------------------------------------------------===//
83 // Attribute Construction
84 //===--------------------------------------------------------------------===//
85
86 /// \brief Return a uniquified Attribute object.
87 static Attribute get(LLVMContext &Context, AttrKind Kind, uint64_t Val = 0);
88 static Attribute get(LLVMContext &Context, StringRef Kind,
89 StringRef Val = StringRef());
90
91 /// \brief Return a uniquified Attribute object that has the specific
92 /// alignment set.
93 static Attribute getWithAlignment(LLVMContext &Context, uint64_t Align);
94 static Attribute getWithStackAlignment(LLVMContext &Context, uint64_t Align);
95 static Attribute getWithDereferenceableBytes(LLVMContext &Context,
96 uint64_t Bytes);
97 static Attribute getWithDereferenceableOrNullBytes(LLVMContext &Context,
98 uint64_t Bytes);
99 static Attribute getWithAllocSizeArgs(LLVMContext &Context,
100 unsigned ElemSizeArg,
101 const Optional<unsigned> &NumElemsArg);
102
103 //===--------------------------------------------------------------------===//
104 // Attribute Accessors
105 //===--------------------------------------------------------------------===//
106
107 /// \brief Return true if the attribute is an Attribute::AttrKind type.
108 bool isEnumAttribute() const;
109
110 /// \brief Return true if the attribute is an integer attribute.
111 bool isIntAttribute() const;
112
113 /// \brief Return true if the attribute is a string (target-dependent)
114 /// attribute.
115 bool isStringAttribute() const;
116
117 /// \brief Return true if the attribute is present.
118 bool hasAttribute(AttrKind Val) const;
119
120 /// \brief Return true if the target-dependent attribute is present.
121 bool hasAttribute(StringRef Val) const;
122
123 /// \brief Return the attribute's kind as an enum (Attribute::AttrKind). This
124 /// requires the attribute to be an enum or integer attribute.
125 Attribute::AttrKind getKindAsEnum() const;
126
127 /// \brief Return the attribute's value as an integer. This requires that the
128 /// attribute be an integer attribute.
129 uint64_t getValueAsInt() const;
130
131 /// \brief Return the attribute's kind as a string. This requires the
132 /// attribute to be a string attribute.
133 StringRef getKindAsString() const;
134
135 /// \brief Return the attribute's value as a string. This requires the
136 /// attribute to be a string attribute.
137 StringRef getValueAsString() const;
138
139 /// \brief Returns the alignment field of an attribute as a byte alignment
140 /// value.
141 unsigned getAlignment() const;
142
143 /// \brief Returns the stack alignment field of an attribute as a byte
144 /// alignment value.
145 unsigned getStackAlignment() const;
146
147 /// \brief Returns the number of dereferenceable bytes from the
148 /// dereferenceable attribute.
149 uint64_t getDereferenceableBytes() const;
150
151 /// \brief Returns the number of dereferenceable_or_null bytes from the
152 /// dereferenceable_or_null attribute.
153 uint64_t getDereferenceableOrNullBytes() const;
154
155 /// Returns the argument numbers for the allocsize attribute (or pair(0, 0)
156 /// if not known).
157 std::pair<unsigned, Optional<unsigned>> getAllocSizeArgs() const;
158
159 /// \brief The Attribute is converted to a string of equivalent mnemonic. This
160 /// is, presumably, for writing out the mnemonics for the assembly writer.
161 std::string getAsString(bool InAttrGrp = false) const;
162
163 /// \brief Equality and non-equality operators.
164 bool operator==(Attribute A) const { return pImpl == A.pImpl; }
165 bool operator!=(Attribute A) const { return pImpl != A.pImpl; }
166
167 /// \brief Less-than operator. Useful for sorting the attributes list.
168 bool operator<(Attribute A) const;
169
Profile(FoldingSetNodeID & ID)170 void Profile(FoldingSetNodeID &ID) const {
171 ID.AddPointer(pImpl);
172 }
173
174 /// \brief Return a raw pointer that uniquely identifies this attribute.
getRawPointer()175 void *getRawPointer() const {
176 return pImpl;
177 }
178
179 /// \brief Get an attribute from a raw pointer created by getRawPointer.
fromRawPointer(void * RawPtr)180 static Attribute fromRawPointer(void *RawPtr) {
181 return Attribute(reinterpret_cast<AttributeImpl*>(RawPtr));
182 }
183 };
184
185 // Specialized opaque value conversions.
wrap(Attribute Attr)186 inline LLVMAttributeRef wrap(Attribute Attr) {
187 return reinterpret_cast<LLVMAttributeRef>(Attr.getRawPointer());
188 }
189
190 // Specialized opaque value conversions.
unwrap(LLVMAttributeRef Attr)191 inline Attribute unwrap(LLVMAttributeRef Attr) {
192 return Attribute::fromRawPointer(Attr);
193 }
194
195 //===----------------------------------------------------------------------===//
196 /// \class
197 /// \brief This class holds the attributes for a function, its return value, and
198 /// its parameters. You access the attributes for each of them via an index into
199 /// the AttributeSet object. The function attributes are at index
200 /// `AttributeSet::FunctionIndex', the return value is at index
201 /// `AttributeSet::ReturnIndex', and the attributes for the parameters start at
202 /// index `1'.
203 class AttributeSet {
204 public:
205 enum AttrIndex : unsigned {
206 ReturnIndex = 0U,
207 FunctionIndex = ~0U
208 };
209
210 private:
211 friend class AttrBuilder;
212 friend class AttributeSetImpl;
213 friend class AttributeSetNode;
214 template <typename Ty> friend struct DenseMapInfo;
215
216 /// \brief The attributes that we are managing. This can be null to represent
217 /// the empty attributes list.
218 AttributeSetImpl *pImpl;
219
220 /// \brief The attributes for the specified index are returned.
221 AttributeSetNode *getAttributes(unsigned Index) const;
222
223 /// \brief Create an AttributeSet with the specified parameters in it.
224 static AttributeSet get(LLVMContext &C,
225 ArrayRef<std::pair<unsigned, Attribute> > Attrs);
226 static AttributeSet get(LLVMContext &C,
227 ArrayRef<std::pair<unsigned,
228 AttributeSetNode*> > Attrs);
229
230 static AttributeSet getImpl(LLVMContext &C,
231 ArrayRef<std::pair<unsigned,
232 AttributeSetNode*> > Attrs);
233
AttributeSet(AttributeSetImpl * LI)234 explicit AttributeSet(AttributeSetImpl *LI) : pImpl(LI) {}
235
236 public:
AttributeSet()237 AttributeSet() : pImpl(nullptr) {}
238
239 //===--------------------------------------------------------------------===//
240 // AttributeSet Construction and Mutation
241 //===--------------------------------------------------------------------===//
242
243 /// \brief Return an AttributeSet with the specified parameters in it.
244 static AttributeSet get(LLVMContext &C, ArrayRef<AttributeSet> Attrs);
245 static AttributeSet get(LLVMContext &C, unsigned Index,
246 ArrayRef<Attribute::AttrKind> Kinds);
247 static AttributeSet get(LLVMContext &C, unsigned Index,
248 ArrayRef<StringRef> Kind);
249 static AttributeSet get(LLVMContext &C, unsigned Index, const AttrBuilder &B);
250
251 /// \brief Add an attribute to the attribute set at the given index. Because
252 /// attribute sets are immutable, this returns a new set.
253 AttributeSet addAttribute(LLVMContext &C, unsigned Index,
254 Attribute::AttrKind Kind) const;
255
256 /// \brief Add an attribute to the attribute set at the given index. Because
257 /// attribute sets are immutable, this returns a new set.
258 AttributeSet addAttribute(LLVMContext &C, unsigned Index, StringRef Kind,
259 StringRef Value = StringRef()) const;
260
261 /// Add an attribute to the attribute set at the given indices. Because
262 /// attribute sets are immutable, this returns a new set.
263 AttributeSet addAttribute(LLVMContext &C, ArrayRef<unsigned> Indices,
264 Attribute A) const;
265
266 /// \brief Add attributes to the attribute set at the given index. Because
267 /// attribute sets are immutable, this returns a new set.
268 AttributeSet addAttributes(LLVMContext &C, unsigned Index,
269 AttributeSet Attrs) const;
270
271 /// \brief Remove the specified attribute at the specified index from this
272 /// attribute list. Because attribute lists are immutable, this returns the
273 /// new list.
274 AttributeSet removeAttribute(LLVMContext &C, unsigned Index,
275 Attribute::AttrKind Kind) const;
276
277 /// \brief Remove the specified attribute at the specified index from this
278 /// attribute list. Because attribute lists are immutable, this returns the
279 /// new list.
280 AttributeSet removeAttribute(LLVMContext &C, unsigned Index,
281 StringRef Kind) const;
282
283 /// \brief Remove the specified attributes at the specified index from this
284 /// attribute list. Because attribute lists are immutable, this returns the
285 /// new list.
286 AttributeSet removeAttributes(LLVMContext &C, unsigned Index,
287 AttributeSet Attrs) const;
288
289 /// \brief Remove the specified attributes at the specified index from this
290 /// attribute list. Because attribute lists are immutable, this returns the
291 /// new list.
292 AttributeSet removeAttributes(LLVMContext &C, unsigned Index,
293 const AttrBuilder &Attrs) const;
294
295 /// \brief Add the dereferenceable attribute to the attribute set at the given
296 /// index. Because attribute sets are immutable, this returns a new set.
297 AttributeSet addDereferenceableAttr(LLVMContext &C, unsigned Index,
298 uint64_t Bytes) const;
299
300 /// \brief Add the dereferenceable_or_null attribute to the attribute set at
301 /// the given index. Because attribute sets are immutable, this returns a new
302 /// set.
303 AttributeSet addDereferenceableOrNullAttr(LLVMContext &C, unsigned Index,
304 uint64_t Bytes) const;
305
306 /// Add the allocsize attribute to the attribute set at the given index.
307 /// Because attribute sets are immutable, this returns a new set.
308 AttributeSet addAllocSizeAttr(LLVMContext &C, unsigned Index,
309 unsigned ElemSizeArg,
310 const Optional<unsigned> &NumElemsArg);
311
312 //===--------------------------------------------------------------------===//
313 // AttributeSet Accessors
314 //===--------------------------------------------------------------------===//
315
316 /// \brief Retrieve the LLVM context.
317 LLVMContext &getContext() const;
318
319 /// \brief The attributes for the specified index are returned.
320 AttributeSet getParamAttributes(unsigned Index) const;
321
322 /// \brief The attributes for the ret value are returned.
323 AttributeSet getRetAttributes() const;
324
325 /// \brief The function attributes are returned.
326 AttributeSet getFnAttributes() const;
327
328 /// \brief Return true if the attribute exists at the given index.
329 bool hasAttribute(unsigned Index, Attribute::AttrKind Kind) const;
330
331 /// \brief Return true if the attribute exists at the given index.
332 bool hasAttribute(unsigned Index, StringRef Kind) const;
333
334 /// \brief Return true if attribute exists at the given index.
335 bool hasAttributes(unsigned Index) const;
336
337 /// \brief Equivalent to hasAttribute(AttributeSet::FunctionIndex, Kind) but
338 /// may be faster.
339 bool hasFnAttribute(Attribute::AttrKind Kind) const;
340
341 /// \brief Equivalent to hasAttribute(AttributeSet::FunctionIndex, Kind) but
342 /// may be faster.
343 bool hasFnAttribute(StringRef Kind) const;
344
345 /// \brief Return true if the specified attribute is set for at least one
346 /// parameter or for the return value. If Index is not nullptr, the index
347 /// of a parameter with the specified attribute is provided.
348 bool hasAttrSomewhere(Attribute::AttrKind Kind,
349 unsigned *Index = nullptr) const;
350
351 /// \brief Return the attribute object that exists at the given index.
352 Attribute getAttribute(unsigned Index, Attribute::AttrKind Kind) const;
353
354 /// \brief Return the attribute object that exists at the given index.
355 Attribute getAttribute(unsigned Index, StringRef Kind) const;
356
357 /// \brief Return the alignment for the specified function parameter.
358 unsigned getParamAlignment(unsigned Index) const;
359
360 /// \brief Get the stack alignment.
361 unsigned getStackAlignment(unsigned Index) const;
362
363 /// \brief Get the number of dereferenceable bytes (or zero if unknown).
364 uint64_t getDereferenceableBytes(unsigned Index) const;
365
366 /// \brief Get the number of dereferenceable_or_null bytes (or zero if
367 /// unknown).
368 uint64_t getDereferenceableOrNullBytes(unsigned Index) const;
369
370 /// Get the allocsize argument numbers (or pair(0, 0) if unknown).
371 std::pair<unsigned, Optional<unsigned>>
372 getAllocSizeArgs(unsigned Index) const;
373
374 /// \brief Return the attributes at the index as a string.
375 std::string getAsString(unsigned Index, bool InAttrGrp = false) const;
376
377 typedef ArrayRef<Attribute>::iterator iterator;
378
379 iterator begin(unsigned Slot) const;
380 iterator end(unsigned Slot) const;
381
382 /// operator==/!= - Provide equality predicates.
383 bool operator==(const AttributeSet &RHS) const {
384 return pImpl == RHS.pImpl;
385 }
386 bool operator!=(const AttributeSet &RHS) const {
387 return pImpl != RHS.pImpl;
388 }
389
390 //===--------------------------------------------------------------------===//
391 // AttributeSet Introspection
392 //===--------------------------------------------------------------------===//
393
394 /// \brief Return a raw pointer that uniquely identifies this attribute list.
getRawPointer()395 void *getRawPointer() const {
396 return pImpl;
397 }
398
399 /// \brief Return true if there are no attributes.
isEmpty()400 bool isEmpty() const {
401 return getNumSlots() == 0;
402 }
403
404 /// \brief Return the number of slots used in this attribute list. This is
405 /// the number of arguments that have an attribute set on them (including the
406 /// function itself).
407 unsigned getNumSlots() const;
408
409 /// \brief Return the index for the given slot.
410 unsigned getSlotIndex(unsigned Slot) const;
411
412 /// \brief Return the attributes at the given slot.
413 AttributeSet getSlotAttributes(unsigned Slot) const;
414
415 void dump() const;
416 };
417
418 //===----------------------------------------------------------------------===//
419 /// \class
420 /// \brief Provide DenseMapInfo for AttributeSet.
421 template<> struct DenseMapInfo<AttributeSet> {
422 static inline AttributeSet getEmptyKey() {
423 uintptr_t Val = static_cast<uintptr_t>(-1);
424 Val <<= PointerLikeTypeTraits<void*>::NumLowBitsAvailable;
425 return AttributeSet(reinterpret_cast<AttributeSetImpl*>(Val));
426 }
427 static inline AttributeSet getTombstoneKey() {
428 uintptr_t Val = static_cast<uintptr_t>(-2);
429 Val <<= PointerLikeTypeTraits<void*>::NumLowBitsAvailable;
430 return AttributeSet(reinterpret_cast<AttributeSetImpl*>(Val));
431 }
432 static unsigned getHashValue(AttributeSet AS) {
433 return (unsigned((uintptr_t)AS.pImpl) >> 4) ^
434 (unsigned((uintptr_t)AS.pImpl) >> 9);
435 }
436 static bool isEqual(AttributeSet LHS, AttributeSet RHS) { return LHS == RHS; }
437 };
438
439 //===----------------------------------------------------------------------===//
440 /// \class
441 /// \brief This class is used in conjunction with the Attribute::get method to
442 /// create an Attribute object. The object itself is uniquified. The Builder's
443 /// value, however, is not. So this can be used as a quick way to test for
444 /// equality, presence of attributes, etc.
445 class AttrBuilder {
446 std::bitset<Attribute::EndAttrKinds> Attrs;
447 std::map<std::string, std::string> TargetDepAttrs;
448 uint64_t Alignment;
449 uint64_t StackAlignment;
450 uint64_t DerefBytes;
451 uint64_t DerefOrNullBytes;
452 uint64_t AllocSizeArgs;
453
454 public:
455 AttrBuilder()
456 : Attrs(0), Alignment(0), StackAlignment(0), DerefBytes(0),
457 DerefOrNullBytes(0), AllocSizeArgs(0) {}
458 AttrBuilder(const Attribute &A)
459 : Attrs(0), Alignment(0), StackAlignment(0), DerefBytes(0),
460 DerefOrNullBytes(0), AllocSizeArgs(0) {
461 addAttribute(A);
462 }
463 AttrBuilder(AttributeSet AS, unsigned Idx);
464
465 void clear();
466
467 /// \brief Add an attribute to the builder.
468 AttrBuilder &addAttribute(Attribute::AttrKind Val);
469
470 /// \brief Add the Attribute object to the builder.
471 AttrBuilder &addAttribute(Attribute A);
472
473 /// \brief Add the target-dependent attribute to the builder.
474 AttrBuilder &addAttribute(StringRef A, StringRef V = StringRef());
475
476 /// \brief Remove an attribute from the builder.
477 AttrBuilder &removeAttribute(Attribute::AttrKind Val);
478
479 /// \brief Remove the attributes from the builder.
480 AttrBuilder &removeAttributes(AttributeSet A, uint64_t Index);
481
482 /// \brief Remove the target-dependent attribute to the builder.
483 AttrBuilder &removeAttribute(StringRef A);
484
485 /// \brief Add the attributes from the builder.
486 AttrBuilder &merge(const AttrBuilder &B);
487
488 /// \brief Remove the attributes from the builder.
489 AttrBuilder &remove(const AttrBuilder &B);
490
491 /// \brief Return true if the builder has any attribute that's in the
492 /// specified builder.
493 bool overlaps(const AttrBuilder &B) const;
494
495 /// \brief Return true if the builder has the specified attribute.
496 bool contains(Attribute::AttrKind A) const {
497 assert((unsigned)A < Attribute::EndAttrKinds && "Attribute out of range!");
498 return Attrs[A];
499 }
500
501 /// \brief Return true if the builder has the specified target-dependent
502 /// attribute.
503 bool contains(StringRef A) const;
504
505 /// \brief Return true if the builder has IR-level attributes.
506 bool hasAttributes() const;
507
508 /// \brief Return true if the builder has any attribute that's in the
509 /// specified attribute.
510 bool hasAttributes(AttributeSet A, uint64_t Index) const;
511
512 /// \brief Return true if the builder has an alignment attribute.
513 bool hasAlignmentAttr() const;
514
515 /// \brief Retrieve the alignment attribute, if it exists.
516 uint64_t getAlignment() const { return Alignment; }
517
518 /// \brief Retrieve the stack alignment attribute, if it exists.
519 uint64_t getStackAlignment() const { return StackAlignment; }
520
521 /// \brief Retrieve the number of dereferenceable bytes, if the
522 /// dereferenceable attribute exists (zero is returned otherwise).
523 uint64_t getDereferenceableBytes() const { return DerefBytes; }
524
525 /// \brief Retrieve the number of dereferenceable_or_null bytes, if the
526 /// dereferenceable_or_null attribute exists (zero is returned otherwise).
527 uint64_t getDereferenceableOrNullBytes() const { return DerefOrNullBytes; }
528
529 /// Retrieve the allocsize args, if the allocsize attribute exists. If it
530 /// doesn't exist, pair(0, 0) is returned.
531 std::pair<unsigned, Optional<unsigned>> getAllocSizeArgs() const;
532
533 /// \brief This turns an int alignment (which must be a power of 2) into the
534 /// form used internally in Attribute.
535 AttrBuilder &addAlignmentAttr(unsigned Align);
536
537 /// \brief This turns an int stack alignment (which must be a power of 2) into
538 /// the form used internally in Attribute.
539 AttrBuilder &addStackAlignmentAttr(unsigned Align);
540
541 /// \brief This turns the number of dereferenceable bytes into the form used
542 /// internally in Attribute.
543 AttrBuilder &addDereferenceableAttr(uint64_t Bytes);
544
545 /// \brief This turns the number of dereferenceable_or_null bytes into the
546 /// form used internally in Attribute.
547 AttrBuilder &addDereferenceableOrNullAttr(uint64_t Bytes);
548
549 /// This turns one (or two) ints into the form used internally in Attribute.
550 AttrBuilder &addAllocSizeAttr(unsigned ElemSizeArg,
551 const Optional<unsigned> &NumElemsArg);
552
553 /// Add an allocsize attribute, using the representation returned by
554 /// Attribute.getIntValue().
555 AttrBuilder &addAllocSizeAttrFromRawRepr(uint64_t RawAllocSizeRepr);
556
557 /// \brief Return true if the builder contains no target-independent
558 /// attributes.
559 bool empty() const { return Attrs.none(); }
560
561 // Iterators for target-dependent attributes.
562 typedef std::pair<std::string, std::string> td_type;
563 typedef std::map<std::string, std::string>::iterator td_iterator;
564 typedef std::map<std::string, std::string>::const_iterator td_const_iterator;
565 typedef llvm::iterator_range<td_iterator> td_range;
566 typedef llvm::iterator_range<td_const_iterator> td_const_range;
567
568 td_iterator td_begin() { return TargetDepAttrs.begin(); }
569 td_iterator td_end() { return TargetDepAttrs.end(); }
570
571 td_const_iterator td_begin() const { return TargetDepAttrs.begin(); }
572 td_const_iterator td_end() const { return TargetDepAttrs.end(); }
573
574 td_range td_attrs() { return td_range(td_begin(), td_end()); }
575 td_const_range td_attrs() const {
576 return td_const_range(td_begin(), td_end());
577 }
578
579 bool td_empty() const { return TargetDepAttrs.empty(); }
580
581 bool operator==(const AttrBuilder &B);
582 bool operator!=(const AttrBuilder &B) {
583 return !(*this == B);
584 }
585 };
586
587 namespace AttributeFuncs {
588
589 /// \brief Which attributes cannot be applied to a type.
590 AttrBuilder typeIncompatible(Type *Ty);
591
592 /// \returns Return true if the two functions have compatible target-independent
593 /// attributes for inlining purposes.
594 bool areInlineCompatible(const Function &Caller, const Function &Callee);
595
596 /// \brief Merge caller's and callee's attributes.
597 void mergeAttributesForInlining(Function &Caller, const Function &Callee);
598
599 } // end AttributeFuncs namespace
600
601 } // end llvm namespace
602
603 #endif
604