LLVM  6.0.0svn
IRBuilder.h
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1 //===---- llvm/IRBuilder.h - Builder for LLVM Instructions ------*- 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 // This file defines the IRBuilder class, which is used as a convenient way
11 // to create LLVM instructions with a consistent and simplified interface.
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #ifndef LLVM_IR_IRBUILDER_H
16 #define LLVM_IR_IRBUILDER_H
17 
18 #include "llvm-c/Types.h"
19 #include "llvm/ADT/ArrayRef.h"
20 #include "llvm/ADT/None.h"
21 #include "llvm/ADT/StringRef.h"
22 #include "llvm/ADT/Twine.h"
23 #include "llvm/IR/BasicBlock.h"
24 #include "llvm/IR/Constant.h"
25 #include "llvm/IR/ConstantFolder.h"
26 #include "llvm/IR/Constants.h"
27 #include "llvm/IR/DataLayout.h"
28 #include "llvm/IR/DebugLoc.h"
29 #include "llvm/IR/DerivedTypes.h"
30 #include "llvm/IR/Function.h"
31 #include "llvm/IR/GlobalVariable.h"
32 #include "llvm/IR/InstrTypes.h"
33 #include "llvm/IR/Instruction.h"
34 #include "llvm/IR/Instructions.h"
35 #include "llvm/IR/Intrinsics.h"
36 #include "llvm/IR/LLVMContext.h"
37 #include "llvm/IR/Module.h"
38 #include "llvm/IR/Operator.h"
39 #include "llvm/IR/Type.h"
40 #include "llvm/IR/Value.h"
41 #include "llvm/IR/ValueHandle.h"
44 #include "llvm/Support/Casting.h"
45 #include <algorithm>
46 #include <cassert>
47 #include <cstddef>
48 #include <cstdint>
49 #include <functional>
50 
51 namespace llvm {
52 
53 class APInt;
54 class MDNode;
55 class Module;
56 class Use;
57 
58 /// \brief This provides the default implementation of the IRBuilder
59 /// 'InsertHelper' method that is called whenever an instruction is created by
60 /// IRBuilder and needs to be inserted.
61 ///
62 /// By default, this inserts the instruction at the insertion point.
64 protected:
66  BasicBlock *BB, BasicBlock::iterator InsertPt) const {
67  if (BB) BB->getInstList().insert(InsertPt, I);
68  I->setName(Name);
69  }
70 };
71 
72 /// Provides an 'InsertHelper' that calls a user-provided callback after
73 /// performing the default insertion.
75  std::function<void(Instruction *)> Callback;
76 
77 public:
79  : Callback(std::move(Callback)) {}
80 
81 protected:
83  BasicBlock *BB, BasicBlock::iterator InsertPt) const {
84  IRBuilderDefaultInserter::InsertHelper(I, Name, BB, InsertPt);
85  Callback(I);
86  }
87 };
88 
89 /// \brief Common base class shared among various IRBuilders.
91  DebugLoc CurDbgLocation;
92 
93 protected:
97 
100 
102 
103 public:
104  IRBuilderBase(LLVMContext &context, MDNode *FPMathTag = nullptr,
105  ArrayRef<OperandBundleDef> OpBundles = None)
106  : Context(context), DefaultFPMathTag(FPMathTag),
107  DefaultOperandBundles(OpBundles) {
108  ClearInsertionPoint();
109  }
110 
111  //===--------------------------------------------------------------------===//
112  // Builder configuration methods
113  //===--------------------------------------------------------------------===//
114 
115  /// \brief Clear the insertion point: created instructions will not be
116  /// inserted into a block.
118  BB = nullptr;
119  InsertPt = BasicBlock::iterator();
120  }
121 
122  BasicBlock *GetInsertBlock() const { return BB; }
123  BasicBlock::iterator GetInsertPoint() const { return InsertPt; }
124  LLVMContext &getContext() const { return Context; }
125 
126  /// \brief This specifies that created instructions should be appended to the
127  /// end of the specified block.
128  void SetInsertPoint(BasicBlock *TheBB) {
129  BB = TheBB;
130  InsertPt = BB->end();
131  }
132 
133  /// \brief This specifies that created instructions should be inserted before
134  /// the specified instruction.
136  BB = I->getParent();
137  InsertPt = I->getIterator();
138  assert(InsertPt != BB->end() && "Can't read debug loc from end()");
139  SetCurrentDebugLocation(I->getDebugLoc());
140  }
141 
142  /// \brief This specifies that created instructions should be inserted at the
143  /// specified point.
145  BB = TheBB;
146  InsertPt = IP;
147  if (IP != TheBB->end())
148  SetCurrentDebugLocation(IP->getDebugLoc());
149  }
150 
151  /// \brief Set location information used by debugging information.
152  void SetCurrentDebugLocation(DebugLoc L) { CurDbgLocation = std::move(L); }
153 
154  /// \brief Get location information used by debugging information.
155  const DebugLoc &getCurrentDebugLocation() const { return CurDbgLocation; }
156 
157  /// \brief If this builder has a current debug location, set it on the
158  /// specified instruction.
160  if (CurDbgLocation)
161  I->setDebugLoc(CurDbgLocation);
162  }
163 
164  /// \brief Get the return type of the current function that we're emitting
165  /// into.
166  Type *getCurrentFunctionReturnType() const;
167 
168  /// InsertPoint - A saved insertion point.
169  class InsertPoint {
170  BasicBlock *Block = nullptr;
171  BasicBlock::iterator Point;
172 
173  public:
174  /// \brief Creates a new insertion point which doesn't point to anything.
175  InsertPoint() = default;
176 
177  /// \brief Creates a new insertion point at the given location.
179  : Block(InsertBlock), Point(InsertPoint) {}
180 
181  /// \brief Returns true if this insert point is set.
182  bool isSet() const { return (Block != nullptr); }
183 
184  BasicBlock *getBlock() const { return Block; }
185  BasicBlock::iterator getPoint() const { return Point; }
186  };
187 
188  /// \brief Returns the current insert point.
189  InsertPoint saveIP() const {
190  return InsertPoint(GetInsertBlock(), GetInsertPoint());
191  }
192 
193  /// \brief Returns the current insert point, clearing it in the process.
195  InsertPoint IP(GetInsertBlock(), GetInsertPoint());
196  ClearInsertionPoint();
197  return IP;
198  }
199 
200  /// \brief Sets the current insert point to a previously-saved location.
202  if (IP.isSet())
203  SetInsertPoint(IP.getBlock(), IP.getPoint());
204  else
205  ClearInsertionPoint();
206  }
207 
208  /// \brief Get the floating point math metadata being used.
209  MDNode *getDefaultFPMathTag() const { return DefaultFPMathTag; }
210 
211  /// \brief Get the flags to be applied to created floating point ops
212  FastMathFlags getFastMathFlags() const { return FMF; }
213 
214  /// \brief Clear the fast-math flags.
215  void clearFastMathFlags() { FMF.clear(); }
216 
217  /// \brief Set the floating point math metadata to be used.
218  void setDefaultFPMathTag(MDNode *FPMathTag) { DefaultFPMathTag = FPMathTag; }
219 
220  /// \brief Set the fast-math flags to be used with generated fp-math operators
221  void setFastMathFlags(FastMathFlags NewFMF) { FMF = NewFMF; }
222 
223  //===--------------------------------------------------------------------===//
224  // RAII helpers.
225  //===--------------------------------------------------------------------===//
226 
227  // \brief RAII object that stores the current insertion point and restores it
228  // when the object is destroyed. This includes the debug location.
230  IRBuilderBase &Builder;
232  BasicBlock::iterator Point;
233  DebugLoc DbgLoc;
234 
235  public:
237  : Builder(B), Block(B.GetInsertBlock()), Point(B.GetInsertPoint()),
238  DbgLoc(B.getCurrentDebugLocation()) {}
239 
240  InsertPointGuard(const InsertPointGuard &) = delete;
241  InsertPointGuard &operator=(const InsertPointGuard &) = delete;
242 
244  Builder.restoreIP(InsertPoint(Block, Point));
245  Builder.SetCurrentDebugLocation(DbgLoc);
246  }
247  };
248 
249  // \brief RAII object that stores the current fast math settings and restores
250  // them when the object is destroyed.
252  IRBuilderBase &Builder;
253  FastMathFlags FMF;
254  MDNode *FPMathTag;
255 
256  public:
258  : Builder(B), FMF(B.FMF), FPMathTag(B.DefaultFPMathTag) {}
259 
260  FastMathFlagGuard(const FastMathFlagGuard &) = delete;
261  FastMathFlagGuard &operator=(const FastMathFlagGuard &) = delete;
262 
264  Builder.FMF = FMF;
265  Builder.DefaultFPMathTag = FPMathTag;
266  }
267  };
268 
269  //===--------------------------------------------------------------------===//
270  // Miscellaneous creation methods.
271  //===--------------------------------------------------------------------===//
272 
273  /// \brief Make a new global variable with initializer type i8*
274  ///
275  /// Make a new global variable with an initializer that has array of i8 type
276  /// filled in with the null terminated string value specified. The new global
277  /// variable will be marked mergable with any others of the same contents. If
278  /// Name is specified, it is the name of the global variable created.
279  GlobalVariable *CreateGlobalString(StringRef Str, const Twine &Name = "",
280  unsigned AddressSpace = 0);
281 
282  /// \brief Get a constant value representing either true or false.
283  ConstantInt *getInt1(bool V) {
284  return ConstantInt::get(getInt1Ty(), V);
285  }
286 
287  /// \brief Get the constant value for i1 true.
289  return ConstantInt::getTrue(Context);
290  }
291 
292  /// \brief Get the constant value for i1 false.
294  return ConstantInt::getFalse(Context);
295  }
296 
297  /// \brief Get a constant 8-bit value.
298  ConstantInt *getInt8(uint8_t C) {
299  return ConstantInt::get(getInt8Ty(), C);
300  }
301 
302  /// \brief Get a constant 16-bit value.
303  ConstantInt *getInt16(uint16_t C) {
304  return ConstantInt::get(getInt16Ty(), C);
305  }
306 
307  /// \brief Get a constant 32-bit value.
309  return ConstantInt::get(getInt32Ty(), C);
310  }
311 
312  /// \brief Get a constant 64-bit value.
313  ConstantInt *getInt64(uint64_t C) {
314  return ConstantInt::get(getInt64Ty(), C);
315  }
316 
317  /// \brief Get a constant N-bit value, zero extended or truncated from
318  /// a 64-bit value.
319  ConstantInt *getIntN(unsigned N, uint64_t C) {
320  return ConstantInt::get(getIntNTy(N), C);
321  }
322 
323  /// \brief Get a constant integer value.
324  ConstantInt *getInt(const APInt &AI) {
325  return ConstantInt::get(Context, AI);
326  }
327 
328  //===--------------------------------------------------------------------===//
329  // Type creation methods
330  //===--------------------------------------------------------------------===//
331 
332  /// \brief Fetch the type representing a single bit
334  return Type::getInt1Ty(Context);
335  }
336 
337  /// \brief Fetch the type representing an 8-bit integer.
339  return Type::getInt8Ty(Context);
340  }
341 
342  /// \brief Fetch the type representing a 16-bit integer.
344  return Type::getInt16Ty(Context);
345  }
346 
347  /// \brief Fetch the type representing a 32-bit integer.
349  return Type::getInt32Ty(Context);
350  }
351 
352  /// \brief Fetch the type representing a 64-bit integer.
354  return Type::getInt64Ty(Context);
355  }
356 
357  /// \brief Fetch the type representing a 128-bit integer.
358  IntegerType *getInt128Ty() { return Type::getInt128Ty(Context); }
359 
360  /// \brief Fetch the type representing an N-bit integer.
361  IntegerType *getIntNTy(unsigned N) {
362  return Type::getIntNTy(Context, N);
363  }
364 
365  /// \brief Fetch the type representing a 16-bit floating point value.
367  return Type::getHalfTy(Context);
368  }
369 
370  /// \brief Fetch the type representing a 32-bit floating point value.
372  return Type::getFloatTy(Context);
373  }
374 
375  /// \brief Fetch the type representing a 64-bit floating point value.
377  return Type::getDoubleTy(Context);
378  }
379 
380  /// \brief Fetch the type representing void.
382  return Type::getVoidTy(Context);
383  }
384 
385  /// \brief Fetch the type representing a pointer to an 8-bit integer value.
386  PointerType *getInt8PtrTy(unsigned AddrSpace = 0) {
387  return Type::getInt8PtrTy(Context, AddrSpace);
388  }
389 
390  /// \brief Fetch the type representing a pointer to an integer value.
391  IntegerType *getIntPtrTy(const DataLayout &DL, unsigned AddrSpace = 0) {
392  return DL.getIntPtrType(Context, AddrSpace);
393  }
394 
395  //===--------------------------------------------------------------------===//
396  // Intrinsic creation methods
397  //===--------------------------------------------------------------------===//
398 
399  /// \brief Create and insert a memset to the specified pointer and the
400  /// specified value.
401  ///
402  /// If the pointer isn't an i8*, it will be converted. If a TBAA tag is
403  /// specified, it will be added to the instruction. Likewise with alias.scope
404  /// and noalias tags.
405  CallInst *CreateMemSet(Value *Ptr, Value *Val, uint64_t Size, unsigned Align,
406  bool isVolatile = false, MDNode *TBAATag = nullptr,
407  MDNode *ScopeTag = nullptr,
408  MDNode *NoAliasTag = nullptr) {
409  return CreateMemSet(Ptr, Val, getInt64(Size), Align, isVolatile,
410  TBAATag, ScopeTag, NoAliasTag);
411  }
412 
413  CallInst *CreateMemSet(Value *Ptr, Value *Val, Value *Size, unsigned Align,
414  bool isVolatile = false, MDNode *TBAATag = nullptr,
415  MDNode *ScopeTag = nullptr,
416  MDNode *NoAliasTag = nullptr);
417 
418  /// \brief Create and insert a memcpy between the specified pointers.
419  ///
420  /// If the pointers aren't i8*, they will be converted. If a TBAA tag is
421  /// specified, it will be added to the instruction. Likewise with alias.scope
422  /// and noalias tags.
423  CallInst *CreateMemCpy(Value *Dst, Value *Src, uint64_t Size, unsigned Align,
424  bool isVolatile = false, MDNode *TBAATag = nullptr,
425  MDNode *TBAAStructTag = nullptr,
426  MDNode *ScopeTag = nullptr,
427  MDNode *NoAliasTag = nullptr) {
428  return CreateMemCpy(Dst, Src, getInt64(Size), Align, isVolatile, TBAATag,
429  TBAAStructTag, ScopeTag, NoAliasTag);
430  }
431 
432  CallInst *CreateMemCpy(Value *Dst, Value *Src, Value *Size, unsigned Align,
433  bool isVolatile = false, MDNode *TBAATag = nullptr,
434  MDNode *TBAAStructTag = nullptr,
435  MDNode *ScopeTag = nullptr,
436  MDNode *NoAliasTag = nullptr);
437 
438  /// \brief Create and insert an element unordered-atomic memcpy between the
439  /// specified pointers.
440  ///
441  /// If the pointers aren't i8*, they will be converted. If a TBAA tag is
442  /// specified, it will be added to the instruction. Likewise with alias.scope
443  /// and noalias tags.
445  Value *Dst, Value *Src, uint64_t Size, uint32_t ElementSize,
446  MDNode *TBAATag = nullptr, MDNode *TBAAStructTag = nullptr,
447  MDNode *ScopeTag = nullptr, MDNode *NoAliasTag = nullptr) {
448  return CreateElementUnorderedAtomicMemCpy(
449  Dst, Src, getInt64(Size), ElementSize, TBAATag, TBAAStructTag, ScopeTag,
450  NoAliasTag);
451  }
452 
453  CallInst *CreateElementUnorderedAtomicMemCpy(
454  Value *Dst, Value *Src, Value *Size, uint32_t ElementSize,
455  MDNode *TBAATag = nullptr, MDNode *TBAAStructTag = nullptr,
456  MDNode *ScopeTag = nullptr, MDNode *NoAliasTag = nullptr);
457 
458  /// \brief Create and insert a memmove between the specified
459  /// pointers.
460  ///
461  /// If the pointers aren't i8*, they will be converted. If a TBAA tag is
462  /// specified, it will be added to the instruction. Likewise with alias.scope
463  /// and noalias tags.
464  CallInst *CreateMemMove(Value *Dst, Value *Src, uint64_t Size, unsigned Align,
465  bool isVolatile = false, MDNode *TBAATag = nullptr,
466  MDNode *ScopeTag = nullptr,
467  MDNode *NoAliasTag = nullptr) {
468  return CreateMemMove(Dst, Src, getInt64(Size), Align, isVolatile,
469  TBAATag, ScopeTag, NoAliasTag);
470  }
471 
472  CallInst *CreateMemMove(Value *Dst, Value *Src, Value *Size, unsigned Align,
473  bool isVolatile = false, MDNode *TBAATag = nullptr,
474  MDNode *ScopeTag = nullptr,
475  MDNode *NoAliasTag = nullptr);
476 
477  /// \brief Create a vector fadd reduction intrinsic of the source vector.
478  /// The first parameter is a scalar accumulator value for ordered reductions.
479  CallInst *CreateFAddReduce(Value *Acc, Value *Src);
480 
481  /// \brief Create a vector fmul reduction intrinsic of the source vector.
482  /// The first parameter is a scalar accumulator value for ordered reductions.
483  CallInst *CreateFMulReduce(Value *Acc, Value *Src);
484 
485  /// \brief Create a vector int add reduction intrinsic of the source vector.
486  CallInst *CreateAddReduce(Value *Src);
487 
488  /// \brief Create a vector int mul reduction intrinsic of the source vector.
489  CallInst *CreateMulReduce(Value *Src);
490 
491  /// \brief Create a vector int AND reduction intrinsic of the source vector.
492  CallInst *CreateAndReduce(Value *Src);
493 
494  /// \brief Create a vector int OR reduction intrinsic of the source vector.
495  CallInst *CreateOrReduce(Value *Src);
496 
497  /// \brief Create a vector int XOR reduction intrinsic of the source vector.
498  CallInst *CreateXorReduce(Value *Src);
499 
500  /// \brief Create a vector integer max reduction intrinsic of the source
501  /// vector.
502  CallInst *CreateIntMaxReduce(Value *Src, bool IsSigned = false);
503 
504  /// \brief Create a vector integer min reduction intrinsic of the source
505  /// vector.
506  CallInst *CreateIntMinReduce(Value *Src, bool IsSigned = false);
507 
508  /// \brief Create a vector float max reduction intrinsic of the source
509  /// vector.
510  CallInst *CreateFPMaxReduce(Value *Src, bool NoNaN = false);
511 
512  /// \brief Create a vector float min reduction intrinsic of the source
513  /// vector.
514  CallInst *CreateFPMinReduce(Value *Src, bool NoNaN = false);
515 
516  /// \brief Create a lifetime.start intrinsic.
517  ///
518  /// If the pointer isn't i8* it will be converted.
519  CallInst *CreateLifetimeStart(Value *Ptr, ConstantInt *Size = nullptr);
520 
521  /// \brief Create a lifetime.end intrinsic.
522  ///
523  /// If the pointer isn't i8* it will be converted.
524  CallInst *CreateLifetimeEnd(Value *Ptr, ConstantInt *Size = nullptr);
525 
526  /// Create a call to invariant.start intrinsic.
527  ///
528  /// If the pointer isn't i8* it will be converted.
529  CallInst *CreateInvariantStart(Value *Ptr, ConstantInt *Size = nullptr);
530 
531  /// \brief Create a call to Masked Load intrinsic
532  CallInst *CreateMaskedLoad(Value *Ptr, unsigned Align, Value *Mask,
533  Value *PassThru = nullptr, const Twine &Name = "");
534 
535  /// \brief Create a call to Masked Store intrinsic
536  CallInst *CreateMaskedStore(Value *Val, Value *Ptr, unsigned Align,
537  Value *Mask);
538 
539  /// \brief Create a call to Masked Gather intrinsic
540  CallInst *CreateMaskedGather(Value *Ptrs, unsigned Align,
541  Value *Mask = nullptr,
542  Value *PassThru = nullptr,
543  const Twine& Name = "");
544 
545  /// \brief Create a call to Masked Scatter intrinsic
546  CallInst *CreateMaskedScatter(Value *Val, Value *Ptrs, unsigned Align,
547  Value *Mask = nullptr);
548 
549  /// \brief Create an assume intrinsic call that allows the optimizer to
550  /// assume that the provided condition will be true.
551  CallInst *CreateAssumption(Value *Cond);
552 
553  /// \brief Create a call to the experimental.gc.statepoint intrinsic to
554  /// start a new statepoint sequence.
555  CallInst *CreateGCStatepointCall(uint64_t ID, uint32_t NumPatchBytes,
556  Value *ActualCallee,
557  ArrayRef<Value *> CallArgs,
558  ArrayRef<Value *> DeoptArgs,
559  ArrayRef<Value *> GCArgs,
560  const Twine &Name = "");
561 
562  /// \brief Create a call to the experimental.gc.statepoint intrinsic to
563  /// start a new statepoint sequence.
564  CallInst *CreateGCStatepointCall(uint64_t ID, uint32_t NumPatchBytes,
565  Value *ActualCallee, uint32_t Flags,
566  ArrayRef<Use> CallArgs,
567  ArrayRef<Use> TransitionArgs,
568  ArrayRef<Use> DeoptArgs,
569  ArrayRef<Value *> GCArgs,
570  const Twine &Name = "");
571 
572  // \brief Conveninence function for the common case when CallArgs are filled
573  // in using makeArrayRef(CS.arg_begin(), CS.arg_end()); Use needs to be
574  // .get()'ed to get the Value pointer.
575  CallInst *CreateGCStatepointCall(uint64_t ID, uint32_t NumPatchBytes,
576  Value *ActualCallee, ArrayRef<Use> CallArgs,
577  ArrayRef<Value *> DeoptArgs,
578  ArrayRef<Value *> GCArgs,
579  const Twine &Name = "");
580 
581  /// brief Create an invoke to the experimental.gc.statepoint intrinsic to
582  /// start a new statepoint sequence.
583  InvokeInst *
584  CreateGCStatepointInvoke(uint64_t ID, uint32_t NumPatchBytes,
585  Value *ActualInvokee, BasicBlock *NormalDest,
586  BasicBlock *UnwindDest, ArrayRef<Value *> InvokeArgs,
587  ArrayRef<Value *> DeoptArgs,
588  ArrayRef<Value *> GCArgs, const Twine &Name = "");
589 
590  /// brief Create an invoke to the experimental.gc.statepoint intrinsic to
591  /// start a new statepoint sequence.
592  InvokeInst *CreateGCStatepointInvoke(
593  uint64_t ID, uint32_t NumPatchBytes, Value *ActualInvokee,
594  BasicBlock *NormalDest, BasicBlock *UnwindDest, uint32_t Flags,
595  ArrayRef<Use> InvokeArgs, ArrayRef<Use> TransitionArgs,
596  ArrayRef<Use> DeoptArgs, ArrayRef<Value *> GCArgs,
597  const Twine &Name = "");
598 
599  // Conveninence function for the common case when CallArgs are filled in using
600  // makeArrayRef(CS.arg_begin(), CS.arg_end()); Use needs to be .get()'ed to
601  // get the Value *.
602  InvokeInst *
603  CreateGCStatepointInvoke(uint64_t ID, uint32_t NumPatchBytes,
604  Value *ActualInvokee, BasicBlock *NormalDest,
605  BasicBlock *UnwindDest, ArrayRef<Use> InvokeArgs,
606  ArrayRef<Value *> DeoptArgs,
607  ArrayRef<Value *> GCArgs, const Twine &Name = "");
608 
609  /// \brief Create a call to the experimental.gc.result intrinsic to extract
610  /// the result from a call wrapped in a statepoint.
611  CallInst *CreateGCResult(Instruction *Statepoint,
612  Type *ResultType,
613  const Twine &Name = "");
614 
615  /// \brief Create a call to the experimental.gc.relocate intrinsics to
616  /// project the relocated value of one pointer from the statepoint.
617  CallInst *CreateGCRelocate(Instruction *Statepoint,
618  int BaseOffset,
619  int DerivedOffset,
620  Type *ResultType,
621  const Twine &Name = "");
622 
623  /// Create a call to intrinsic \p ID with 2 operands which is mangled on the
624  /// first type.
625  CallInst *CreateBinaryIntrinsic(Intrinsic::ID ID,
626  Value *LHS, Value *RHS,
627  const Twine &Name = "");
628 
629  /// Create call to the minnum intrinsic.
630  CallInst *CreateMinNum(Value *LHS, Value *RHS, const Twine &Name = "") {
631  return CreateBinaryIntrinsic(Intrinsic::minnum, LHS, RHS, Name);
632  }
633 
634  /// Create call to the maxnum intrinsic.
635  CallInst *CreateMaxNum(Value *LHS, Value *RHS, const Twine &Name = "") {
636  return CreateBinaryIntrinsic(Intrinsic::minnum, LHS, RHS, Name);
637  }
638 
639 private:
640  /// \brief Create a call to a masked intrinsic with given Id.
641  CallInst *CreateMaskedIntrinsic(Intrinsic::ID Id, ArrayRef<Value *> Ops,
642  ArrayRef<Type *> OverloadedTypes,
643  const Twine &Name = "");
644 
645  Value *getCastedInt8PtrValue(Value *Ptr);
646 };
647 
648 /// \brief This provides a uniform API for creating instructions and inserting
649 /// them into a basic block: either at the end of a BasicBlock, or at a specific
650 /// iterator location in a block.
651 ///
652 /// Note that the builder does not expose the full generality of LLVM
653 /// instructions. For access to extra instruction properties, use the mutators
654 /// (e.g. setVolatile) on the instructions after they have been
655 /// created. Convenience state exists to specify fast-math flags and fp-math
656 /// tags.
657 ///
658 /// The first template argument specifies a class to use for creating constants.
659 /// This defaults to creating minimally folded constants. The second template
660 /// argument allows clients to specify custom insertion hooks that are called on
661 /// every newly created insertion.
662 template <typename T = ConstantFolder,
664 class IRBuilder : public IRBuilderBase, public Inserter {
665  T Folder;
666 
667 public:
668  IRBuilder(LLVMContext &C, const T &F, Inserter I = Inserter(),
669  MDNode *FPMathTag = nullptr,
670  ArrayRef<OperandBundleDef> OpBundles = None)
671  : IRBuilderBase(C, FPMathTag, OpBundles), Inserter(std::move(I)),
672  Folder(F) {}
673 
674  explicit IRBuilder(LLVMContext &C, MDNode *FPMathTag = nullptr,
675  ArrayRef<OperandBundleDef> OpBundles = None)
676  : IRBuilderBase(C, FPMathTag, OpBundles), Folder() {}
677 
678  explicit IRBuilder(BasicBlock *TheBB, const T &F, MDNode *FPMathTag = nullptr,
679  ArrayRef<OperandBundleDef> OpBundles = None)
680  : IRBuilderBase(TheBB->getContext(), FPMathTag, OpBundles), Folder(F) {
681  SetInsertPoint(TheBB);
682  }
683 
684  explicit IRBuilder(BasicBlock *TheBB, MDNode *FPMathTag = nullptr,
685  ArrayRef<OperandBundleDef> OpBundles = None)
686  : IRBuilderBase(TheBB->getContext(), FPMathTag, OpBundles), Folder() {
687  SetInsertPoint(TheBB);
688  }
689 
690  explicit IRBuilder(Instruction *IP, MDNode *FPMathTag = nullptr,
691  ArrayRef<OperandBundleDef> OpBundles = None)
692  : IRBuilderBase(IP->getContext(), FPMathTag, OpBundles), Folder() {
693  SetInsertPoint(IP);
694  }
695 
697  MDNode *FPMathTag = nullptr,
698  ArrayRef<OperandBundleDef> OpBundles = None)
699  : IRBuilderBase(TheBB->getContext(), FPMathTag, OpBundles), Folder(F) {
700  SetInsertPoint(TheBB, IP);
701  }
702 
704  MDNode *FPMathTag = nullptr,
705  ArrayRef<OperandBundleDef> OpBundles = None)
706  : IRBuilderBase(TheBB->getContext(), FPMathTag, OpBundles), Folder() {
707  SetInsertPoint(TheBB, IP);
708  }
709 
710  /// \brief Get the constant folder being used.
711  const T &getFolder() { return Folder; }
712 
713  /// \brief Insert and return the specified instruction.
714  template<typename InstTy>
715  InstTy *Insert(InstTy *I, const Twine &Name = "") const {
716  this->InsertHelper(I, Name, BB, InsertPt);
717  this->SetInstDebugLocation(I);
718  return I;
719  }
720 
721  /// \brief No-op overload to handle constants.
722  Constant *Insert(Constant *C, const Twine& = "") const {
723  return C;
724  }
725 
726  //===--------------------------------------------------------------------===//
727  // Instruction creation methods: Terminators
728  //===--------------------------------------------------------------------===//
729 
730 private:
731  /// \brief Helper to add branch weight and unpredictable metadata onto an
732  /// instruction.
733  /// \returns The annotated instruction.
734  template <typename InstTy>
735  InstTy *addBranchMetadata(InstTy *I, MDNode *Weights, MDNode *Unpredictable) {
736  if (Weights)
737  I->setMetadata(LLVMContext::MD_prof, Weights);
738  if (Unpredictable)
739  I->setMetadata(LLVMContext::MD_unpredictable, Unpredictable);
740  return I;
741  }
742 
743 public:
744  /// \brief Create a 'ret void' instruction.
746  return Insert(ReturnInst::Create(Context));
747  }
748 
749  /// \brief Create a 'ret <val>' instruction.
751  return Insert(ReturnInst::Create(Context, V));
752  }
753 
754  /// \brief Create a sequence of N insertvalue instructions,
755  /// with one Value from the retVals array each, that build a aggregate
756  /// return value one value at a time, and a ret instruction to return
757  /// the resulting aggregate value.
758  ///
759  /// This is a convenience function for code that uses aggregate return values
760  /// as a vehicle for having multiple return values.
761  ReturnInst *CreateAggregateRet(Value *const *retVals, unsigned N) {
762  Value *V = UndefValue::get(getCurrentFunctionReturnType());
763  for (unsigned i = 0; i != N; ++i)
764  V = CreateInsertValue(V, retVals[i], i, "mrv");
765  return Insert(ReturnInst::Create(Context, V));
766  }
767 
768  /// \brief Create an unconditional 'br label X' instruction.
770  return Insert(BranchInst::Create(Dest));
771  }
772 
773  /// \brief Create a conditional 'br Cond, TrueDest, FalseDest'
774  /// instruction.
776  MDNode *BranchWeights = nullptr,
777  MDNode *Unpredictable = nullptr) {
778  return Insert(addBranchMetadata(BranchInst::Create(True, False, Cond),
779  BranchWeights, Unpredictable));
780  }
781 
782  /// \brief Create a conditional 'br Cond, TrueDest, FalseDest'
783  /// instruction. Copy branch meta data if available.
785  Instruction *MDSrc) {
786  BranchInst *Br = BranchInst::Create(True, False, Cond);
787  if (MDSrc) {
790  Br->copyMetadata(*MDSrc, makeArrayRef(&WL[0], 4));
791  }
792  return Insert(Br);
793  }
794 
795  /// \brief Create a switch instruction with the specified value, default dest,
796  /// and with a hint for the number of cases that will be added (for efficient
797  /// allocation).
798  SwitchInst *CreateSwitch(Value *V, BasicBlock *Dest, unsigned NumCases = 10,
799  MDNode *BranchWeights = nullptr,
800  MDNode *Unpredictable = nullptr) {
801  return Insert(addBranchMetadata(SwitchInst::Create(V, Dest, NumCases),
802  BranchWeights, Unpredictable));
803  }
804 
805  /// \brief Create an indirect branch instruction with the specified address
806  /// operand, with an optional hint for the number of destinations that will be
807  /// added (for efficient allocation).
808  IndirectBrInst *CreateIndirectBr(Value *Addr, unsigned NumDests = 10) {
809  return Insert(IndirectBrInst::Create(Addr, NumDests));
810  }
811 
812  /// \brief Create an invoke instruction.
813  InvokeInst *CreateInvoke(Value *Callee, BasicBlock *NormalDest,
814  BasicBlock *UnwindDest,
816  const Twine &Name = "") {
817  return Insert(InvokeInst::Create(Callee, NormalDest, UnwindDest, Args),
818  Name);
819  }
820  InvokeInst *CreateInvoke(Value *Callee, BasicBlock *NormalDest,
821  BasicBlock *UnwindDest, ArrayRef<Value *> Args,
822  ArrayRef<OperandBundleDef> OpBundles,
823  const Twine &Name = "") {
824  return Insert(InvokeInst::Create(Callee, NormalDest, UnwindDest, Args,
825  OpBundles), Name);
826  }
827 
829  return Insert(ResumeInst::Create(Exn));
830  }
831 
833  BasicBlock *UnwindBB = nullptr) {
834  return Insert(CleanupReturnInst::Create(CleanupPad, UnwindBB));
835  }
836 
838  unsigned NumHandlers,
839  const Twine &Name = "") {
840  return Insert(CatchSwitchInst::Create(ParentPad, UnwindBB, NumHandlers),
841  Name);
842  }
843 
845  const Twine &Name = "") {
846  return Insert(CatchPadInst::Create(ParentPad, Args), Name);
847  }
848 
851  const Twine &Name = "") {
852  return Insert(CleanupPadInst::Create(ParentPad, Args), Name);
853  }
854 
856  return Insert(CatchReturnInst::Create(CatchPad, BB));
857  }
858 
860  return Insert(new UnreachableInst(Context));
861  }
862 
863  //===--------------------------------------------------------------------===//
864  // Instruction creation methods: Binary Operators
865  //===--------------------------------------------------------------------===//
866 private:
867  BinaryOperator *CreateInsertNUWNSWBinOp(BinaryOperator::BinaryOps Opc,
868  Value *LHS, Value *RHS,
869  const Twine &Name,
870  bool HasNUW, bool HasNSW) {
871  BinaryOperator *BO = Insert(BinaryOperator::Create(Opc, LHS, RHS), Name);
872  if (HasNUW) BO->setHasNoUnsignedWrap();
873  if (HasNSW) BO->setHasNoSignedWrap();
874  return BO;
875  }
876 
877  Instruction *AddFPMathAttributes(Instruction *I,
878  MDNode *FPMathTag,
879  FastMathFlags FMF) const {
880  if (!FPMathTag)
881  FPMathTag = DefaultFPMathTag;
882  if (FPMathTag)
883  I->setMetadata(LLVMContext::MD_fpmath, FPMathTag);
884  I->setFastMathFlags(FMF);
885  return I;
886  }
887 
888 public:
889  Value *CreateAdd(Value *LHS, Value *RHS, const Twine &Name = "",
890  bool HasNUW = false, bool HasNSW = false) {
891  if (Constant *LC = dyn_cast<Constant>(LHS))
892  if (Constant *RC = dyn_cast<Constant>(RHS))
893  return Insert(Folder.CreateAdd(LC, RC, HasNUW, HasNSW), Name);
894  return CreateInsertNUWNSWBinOp(Instruction::Add, LHS, RHS, Name,
895  HasNUW, HasNSW);
896  }
897  Value *CreateNSWAdd(Value *LHS, Value *RHS, const Twine &Name = "") {
898  return CreateAdd(LHS, RHS, Name, false, true);
899  }
900  Value *CreateNUWAdd(Value *LHS, Value *RHS, const Twine &Name = "") {
901  return CreateAdd(LHS, RHS, Name, true, false);
902  }
903  Value *CreateFAdd(Value *LHS, Value *RHS, const Twine &Name = "",
904  MDNode *FPMathTag = nullptr) {
905  if (Constant *LC = dyn_cast<Constant>(LHS))
906  if (Constant *RC = dyn_cast<Constant>(RHS))
907  return Insert(Folder.CreateFAdd(LC, RC), Name);
908  return Insert(AddFPMathAttributes(BinaryOperator::CreateFAdd(LHS, RHS),
909  FPMathTag, FMF), Name);
910  }
911  Value *CreateSub(Value *LHS, Value *RHS, const Twine &Name = "",
912  bool HasNUW = false, bool HasNSW = false) {
913  if (Constant *LC = dyn_cast<Constant>(LHS))
914  if (Constant *RC = dyn_cast<Constant>(RHS))
915  return Insert(Folder.CreateSub(LC, RC, HasNUW, HasNSW), Name);
916  return CreateInsertNUWNSWBinOp(Instruction::Sub, LHS, RHS, Name,
917  HasNUW, HasNSW);
918  }
919  Value *CreateNSWSub(Value *LHS, Value *RHS, const Twine &Name = "") {
920  return CreateSub(LHS, RHS, Name, false, true);
921  }
922  Value *CreateNUWSub(Value *LHS, Value *RHS, const Twine &Name = "") {
923  return CreateSub(LHS, RHS, Name, true, false);
924  }
925  Value *CreateFSub(Value *LHS, Value *RHS, const Twine &Name = "",
926  MDNode *FPMathTag = nullptr) {
927  if (Constant *LC = dyn_cast<Constant>(LHS))
928  if (Constant *RC = dyn_cast<Constant>(RHS))
929  return Insert(Folder.CreateFSub(LC, RC), Name);
930  return Insert(AddFPMathAttributes(BinaryOperator::CreateFSub(LHS, RHS),
931  FPMathTag, FMF), Name);
932  }
933  Value *CreateMul(Value *LHS, Value *RHS, const Twine &Name = "",
934  bool HasNUW = false, bool HasNSW = false) {
935  if (Constant *LC = dyn_cast<Constant>(LHS))
936  if (Constant *RC = dyn_cast<Constant>(RHS))
937  return Insert(Folder.CreateMul(LC, RC, HasNUW, HasNSW), Name);
938  return CreateInsertNUWNSWBinOp(Instruction::Mul, LHS, RHS, Name,
939  HasNUW, HasNSW);
940  }
941  Value *CreateNSWMul(Value *LHS, Value *RHS, const Twine &Name = "") {
942  return CreateMul(LHS, RHS, Name, false, true);
943  }
944  Value *CreateNUWMul(Value *LHS, Value *RHS, const Twine &Name = "") {
945  return CreateMul(LHS, RHS, Name, true, false);
946  }
947  Value *CreateFMul(Value *LHS, Value *RHS, const Twine &Name = "",
948  MDNode *FPMathTag = nullptr) {
949  if (Constant *LC = dyn_cast<Constant>(LHS))
950  if (Constant *RC = dyn_cast<Constant>(RHS))
951  return Insert(Folder.CreateFMul(LC, RC), Name);
952  return Insert(AddFPMathAttributes(BinaryOperator::CreateFMul(LHS, RHS),
953  FPMathTag, FMF), Name);
954  }
955  Value *CreateUDiv(Value *LHS, Value *RHS, const Twine &Name = "",
956  bool isExact = false) {
957  if (Constant *LC = dyn_cast<Constant>(LHS))
958  if (Constant *RC = dyn_cast<Constant>(RHS))
959  return Insert(Folder.CreateUDiv(LC, RC, isExact), Name);
960  if (!isExact)
961  return Insert(BinaryOperator::CreateUDiv(LHS, RHS), Name);
962  return Insert(BinaryOperator::CreateExactUDiv(LHS, RHS), Name);
963  }
964  Value *CreateExactUDiv(Value *LHS, Value *RHS, const Twine &Name = "") {
965  return CreateUDiv(LHS, RHS, Name, true);
966  }
967  Value *CreateSDiv(Value *LHS, Value *RHS, const Twine &Name = "",
968  bool isExact = false) {
969  if (Constant *LC = dyn_cast<Constant>(LHS))
970  if (Constant *RC = dyn_cast<Constant>(RHS))
971  return Insert(Folder.CreateSDiv(LC, RC, isExact), Name);
972  if (!isExact)
973  return Insert(BinaryOperator::CreateSDiv(LHS, RHS), Name);
974  return Insert(BinaryOperator::CreateExactSDiv(LHS, RHS), Name);
975  }
976  Value *CreateExactSDiv(Value *LHS, Value *RHS, const Twine &Name = "") {
977  return CreateSDiv(LHS, RHS, Name, true);
978  }
979  Value *CreateFDiv(Value *LHS, Value *RHS, const Twine &Name = "",
980  MDNode *FPMathTag = nullptr) {
981  if (Constant *LC = dyn_cast<Constant>(LHS))
982  if (Constant *RC = dyn_cast<Constant>(RHS))
983  return Insert(Folder.CreateFDiv(LC, RC), Name);
984  return Insert(AddFPMathAttributes(BinaryOperator::CreateFDiv(LHS, RHS),
985  FPMathTag, FMF), Name);
986  }
987  Value *CreateURem(Value *LHS, Value *RHS, const Twine &Name = "") {
988  if (Constant *LC = dyn_cast<Constant>(LHS))
989  if (Constant *RC = dyn_cast<Constant>(RHS))
990  return Insert(Folder.CreateURem(LC, RC), Name);
991  return Insert(BinaryOperator::CreateURem(LHS, RHS), Name);
992  }
993  Value *CreateSRem(Value *LHS, Value *RHS, const Twine &Name = "") {
994  if (Constant *LC = dyn_cast<Constant>(LHS))
995  if (Constant *RC = dyn_cast<Constant>(RHS))
996  return Insert(Folder.CreateSRem(LC, RC), Name);
997  return Insert(BinaryOperator::CreateSRem(LHS, RHS), Name);
998  }
999  Value *CreateFRem(Value *LHS, Value *RHS, const Twine &Name = "",
1000  MDNode *FPMathTag = nullptr) {
1001  if (Constant *LC = dyn_cast<Constant>(LHS))
1002  if (Constant *RC = dyn_cast<Constant>(RHS))
1003  return Insert(Folder.CreateFRem(LC, RC), Name);
1004  return Insert(AddFPMathAttributes(BinaryOperator::CreateFRem(LHS, RHS),
1005  FPMathTag, FMF), Name);
1006  }
1007 
1008  Value *CreateShl(Value *LHS, Value *RHS, const Twine &Name = "",
1009  bool HasNUW = false, bool HasNSW = false) {
1010  if (Constant *LC = dyn_cast<Constant>(LHS))
1011  if (Constant *RC = dyn_cast<Constant>(RHS))
1012  return Insert(Folder.CreateShl(LC, RC, HasNUW, HasNSW), Name);
1013  return CreateInsertNUWNSWBinOp(Instruction::Shl, LHS, RHS, Name,
1014  HasNUW, HasNSW);
1015  }
1016  Value *CreateShl(Value *LHS, const APInt &RHS, const Twine &Name = "",
1017  bool HasNUW = false, bool HasNSW = false) {
1018  return CreateShl(LHS, ConstantInt::get(LHS->getType(), RHS), Name,
1019  HasNUW, HasNSW);
1020  }
1021  Value *CreateShl(Value *LHS, uint64_t RHS, const Twine &Name = "",
1022  bool HasNUW = false, bool HasNSW = false) {
1023  return CreateShl(LHS, ConstantInt::get(LHS->getType(), RHS), Name,
1024  HasNUW, HasNSW);
1025  }
1026 
1027  Value *CreateLShr(Value *LHS, Value *RHS, const Twine &Name = "",
1028  bool isExact = false) {
1029  if (Constant *LC = dyn_cast<Constant>(LHS))
1030  if (Constant *RC = dyn_cast<Constant>(RHS))
1031  return Insert(Folder.CreateLShr(LC, RC, isExact), Name);
1032  if (!isExact)
1033  return Insert(BinaryOperator::CreateLShr(LHS, RHS), Name);
1034  return Insert(BinaryOperator::CreateExactLShr(LHS, RHS), Name);
1035  }
1036  Value *CreateLShr(Value *LHS, const APInt &RHS, const Twine &Name = "",
1037  bool isExact = false) {
1038  return CreateLShr(LHS, ConstantInt::get(LHS->getType(), RHS), Name,isExact);
1039  }
1040  Value *CreateLShr(Value *LHS, uint64_t RHS, const Twine &Name = "",
1041  bool isExact = false) {
1042  return CreateLShr(LHS, ConstantInt::get(LHS->getType(), RHS), Name,isExact);
1043  }
1044 
1045  Value *CreateAShr(Value *LHS, Value *RHS, const Twine &Name = "",
1046  bool isExact = false) {
1047  if (Constant *LC = dyn_cast<Constant>(LHS))
1048  if (Constant *RC = dyn_cast<Constant>(RHS))
1049  return Insert(Folder.CreateAShr(LC, RC, isExact), Name);
1050  if (!isExact)
1051  return Insert(BinaryOperator::CreateAShr(LHS, RHS), Name);
1052  return Insert(BinaryOperator::CreateExactAShr(LHS, RHS), Name);
1053  }
1054  Value *CreateAShr(Value *LHS, const APInt &RHS, const Twine &Name = "",
1055  bool isExact = false) {
1056  return CreateAShr(LHS, ConstantInt::get(LHS->getType(), RHS), Name,isExact);
1057  }
1058  Value *CreateAShr(Value *LHS, uint64_t RHS, const Twine &Name = "",
1059  bool isExact = false) {
1060  return CreateAShr(LHS, ConstantInt::get(LHS->getType(), RHS), Name,isExact);
1061  }
1062 
1063  Value *CreateAnd(Value *LHS, Value *RHS, const Twine &Name = "") {
1064  if (Constant *RC = dyn_cast<Constant>(RHS)) {
1065  if (isa<ConstantInt>(RC) && cast<ConstantInt>(RC)->isMinusOne())
1066  return LHS; // LHS & -1 -> LHS
1067  if (Constant *LC = dyn_cast<Constant>(LHS))
1068  return Insert(Folder.CreateAnd(LC, RC), Name);
1069  }
1070  return Insert(BinaryOperator::CreateAnd(LHS, RHS), Name);
1071  }
1072  Value *CreateAnd(Value *LHS, const APInt &RHS, const Twine &Name = "") {
1073  return CreateAnd(LHS, ConstantInt::get(LHS->getType(), RHS), Name);
1074  }
1075  Value *CreateAnd(Value *LHS, uint64_t RHS, const Twine &Name = "") {
1076  return CreateAnd(LHS, ConstantInt::get(LHS->getType(), RHS), Name);
1077  }
1078 
1079  Value *CreateOr(Value *LHS, Value *RHS, const Twine &Name = "") {
1080  if (Constant *RC = dyn_cast<Constant>(RHS)) {
1081  if (RC->isNullValue())
1082  return LHS; // LHS | 0 -> LHS
1083  if (Constant *LC = dyn_cast<Constant>(LHS))
1084  return Insert(Folder.CreateOr(LC, RC), Name);
1085  }
1086  return Insert(BinaryOperator::CreateOr(LHS, RHS), Name);
1087  }
1088  Value *CreateOr(Value *LHS, const APInt &RHS, const Twine &Name = "") {
1089  return CreateOr(LHS, ConstantInt::get(LHS->getType(), RHS), Name);
1090  }
1091  Value *CreateOr(Value *LHS, uint64_t RHS, const Twine &Name = "") {
1092  return CreateOr(LHS, ConstantInt::get(LHS->getType(), RHS), Name);
1093  }
1094 
1095  Value *CreateXor(Value *LHS, Value *RHS, const Twine &Name = "") {
1096  if (Constant *LC = dyn_cast<Constant>(LHS))
1097  if (Constant *RC = dyn_cast<Constant>(RHS))
1098  return Insert(Folder.CreateXor(LC, RC), Name);
1099  return Insert(BinaryOperator::CreateXor(LHS, RHS), Name);
1100  }
1101  Value *CreateXor(Value *LHS, const APInt &RHS, const Twine &Name = "") {
1102  return CreateXor(LHS, ConstantInt::get(LHS->getType(), RHS), Name);
1103  }
1104  Value *CreateXor(Value *LHS, uint64_t RHS, const Twine &Name = "") {
1105  return CreateXor(LHS, ConstantInt::get(LHS->getType(), RHS), Name);
1106  }
1107 
1109  Value *LHS, Value *RHS, const Twine &Name = "",
1110  MDNode *FPMathTag = nullptr) {
1111  if (Constant *LC = dyn_cast<Constant>(LHS))
1112  if (Constant *RC = dyn_cast<Constant>(RHS))
1113  return Insert(Folder.CreateBinOp(Opc, LC, RC), Name);
1114  Instruction *BinOp = BinaryOperator::Create(Opc, LHS, RHS);
1115  if (isa<FPMathOperator>(BinOp))
1116  BinOp = AddFPMathAttributes(BinOp, FPMathTag, FMF);
1117  return Insert(BinOp, Name);
1118  }
1119 
1120  Value *CreateNeg(Value *V, const Twine &Name = "",
1121  bool HasNUW = false, bool HasNSW = false) {
1122  if (Constant *VC = dyn_cast<Constant>(V))
1123  return Insert(Folder.CreateNeg(VC, HasNUW, HasNSW), Name);
1124  BinaryOperator *BO = Insert(BinaryOperator::CreateNeg(V), Name);
1125  if (HasNUW) BO->setHasNoUnsignedWrap();
1126  if (HasNSW) BO->setHasNoSignedWrap();
1127  return BO;
1128  }
1129  Value *CreateNSWNeg(Value *V, const Twine &Name = "") {
1130  return CreateNeg(V, Name, false, true);
1131  }
1132  Value *CreateNUWNeg(Value *V, const Twine &Name = "") {
1133  return CreateNeg(V, Name, true, false);
1134  }
1135  Value *CreateFNeg(Value *V, const Twine &Name = "",
1136  MDNode *FPMathTag = nullptr) {
1137  if (Constant *VC = dyn_cast<Constant>(V))
1138  return Insert(Folder.CreateFNeg(VC), Name);
1139  return Insert(AddFPMathAttributes(BinaryOperator::CreateFNeg(V),
1140  FPMathTag, FMF), Name);
1141  }
1142  Value *CreateNot(Value *V, const Twine &Name = "") {
1143  if (Constant *VC = dyn_cast<Constant>(V))
1144  return Insert(Folder.CreateNot(VC), Name);
1145  return Insert(BinaryOperator::CreateNot(V), Name);
1146  }
1147 
1148  //===--------------------------------------------------------------------===//
1149  // Instruction creation methods: Memory Instructions
1150  //===--------------------------------------------------------------------===//
1151 
1152  AllocaInst *CreateAlloca(Type *Ty, unsigned AddrSpace,
1153  Value *ArraySize = nullptr, const Twine &Name = "") {
1154  return Insert(new AllocaInst(Ty, AddrSpace, ArraySize), Name);
1155  }
1156 
1157  AllocaInst *CreateAlloca(Type *Ty, Value *ArraySize = nullptr,
1158  const Twine &Name = "") {
1159  const DataLayout &DL = BB->getParent()->getParent()->getDataLayout();
1160  return Insert(new AllocaInst(Ty, DL.getAllocaAddrSpace(), ArraySize), Name);
1161  }
1162  // \brief Provided to resolve 'CreateLoad(Ptr, "...")' correctly, instead of
1163  // converting the string to 'bool' for the isVolatile parameter.
1164  LoadInst *CreateLoad(Value *Ptr, const char *Name) {
1165  return Insert(new LoadInst(Ptr), Name);
1166  }
1167  LoadInst *CreateLoad(Value *Ptr, const Twine &Name = "") {
1168  return Insert(new LoadInst(Ptr), Name);
1169  }
1170  LoadInst *CreateLoad(Type *Ty, Value *Ptr, const Twine &Name = "") {
1171  return Insert(new LoadInst(Ty, Ptr), Name);
1172  }
1173  LoadInst *CreateLoad(Value *Ptr, bool isVolatile, const Twine &Name = "") {
1174  return Insert(new LoadInst(Ptr, nullptr, isVolatile), Name);
1175  }
1176  StoreInst *CreateStore(Value *Val, Value *Ptr, bool isVolatile = false) {
1177  return Insert(new StoreInst(Val, Ptr, isVolatile));
1178  }
1179  // \brief Provided to resolve 'CreateAlignedLoad(Ptr, Align, "...")'
1180  // correctly, instead of converting the string to 'bool' for the isVolatile
1181  // parameter.
1182  LoadInst *CreateAlignedLoad(Value *Ptr, unsigned Align, const char *Name) {
1183  LoadInst *LI = CreateLoad(Ptr, Name);
1184  LI->setAlignment(Align);
1185  return LI;
1186  }
1188  const Twine &Name = "") {
1189  LoadInst *LI = CreateLoad(Ptr, Name);
1190  LI->setAlignment(Align);
1191  return LI;
1192  }
1194  const Twine &Name = "") {
1195  LoadInst *LI = CreateLoad(Ptr, isVolatile, Name);
1196  LI->setAlignment(Align);
1197  return LI;
1198  }
1200  bool isVolatile = false) {
1201  StoreInst *SI = CreateStore(Val, Ptr, isVolatile);
1202  SI->setAlignment(Align);
1203  return SI;
1204  }
1207  const Twine &Name = "") {
1208  return Insert(new FenceInst(Context, Ordering, SSID), Name);
1209  }
1212  AtomicOrdering SuccessOrdering,
1213  AtomicOrdering FailureOrdering,
1215  return Insert(new AtomicCmpXchgInst(Ptr, Cmp, New, SuccessOrdering,
1216  FailureOrdering, SSID));
1217  }
1219  AtomicOrdering Ordering,
1221  return Insert(new AtomicRMWInst(Op, Ptr, Val, Ordering, SSID));
1222  }
1224  const Twine &Name = "") {
1225  return CreateGEP(nullptr, Ptr, IdxList, Name);
1226  }
1228  const Twine &Name = "") {
1229  if (Constant *PC = dyn_cast<Constant>(Ptr)) {
1230  // Every index must be constant.
1231  size_t i, e;
1232  for (i = 0, e = IdxList.size(); i != e; ++i)
1233  if (!isa<Constant>(IdxList[i]))
1234  break;
1235  if (i == e)
1236  return Insert(Folder.CreateGetElementPtr(Ty, PC, IdxList), Name);
1237  }
1238  return Insert(GetElementPtrInst::Create(Ty, Ptr, IdxList), Name);
1239  }
1241  const Twine &Name = "") {
1242  return CreateInBoundsGEP(nullptr, Ptr, IdxList, Name);
1243  }
1245  const Twine &Name = "") {
1246  if (Constant *PC = dyn_cast<Constant>(Ptr)) {
1247  // Every index must be constant.
1248  size_t i, e;
1249  for (i = 0, e = IdxList.size(); i != e; ++i)
1250  if (!isa<Constant>(IdxList[i]))
1251  break;
1252  if (i == e)
1253  return Insert(Folder.CreateInBoundsGetElementPtr(Ty, PC, IdxList),
1254  Name);
1255  }
1256  return Insert(GetElementPtrInst::CreateInBounds(Ty, Ptr, IdxList), Name);
1257  }
1258  Value *CreateGEP(Value *Ptr, Value *Idx, const Twine &Name = "") {
1259  return CreateGEP(nullptr, Ptr, Idx, Name);
1260  }
1261  Value *CreateGEP(Type *Ty, Value *Ptr, Value *Idx, const Twine &Name = "") {
1262  if (Constant *PC = dyn_cast<Constant>(Ptr))
1263  if (Constant *IC = dyn_cast<Constant>(Idx))
1264  return Insert(Folder.CreateGetElementPtr(Ty, PC, IC), Name);
1265  return Insert(GetElementPtrInst::Create(Ty, Ptr, Idx), Name);
1266  }
1268  const Twine &Name = "") {
1269  if (Constant *PC = dyn_cast<Constant>(Ptr))
1270  if (Constant *IC = dyn_cast<Constant>(Idx))
1271  return Insert(Folder.CreateInBoundsGetElementPtr(Ty, PC, IC), Name);
1272  return Insert(GetElementPtrInst::CreateInBounds(Ty, Ptr, Idx), Name);
1273  }
1274  Value *CreateConstGEP1_32(Value *Ptr, unsigned Idx0, const Twine &Name = "") {
1275  return CreateConstGEP1_32(nullptr, Ptr, Idx0, Name);
1276  }
1277  Value *CreateConstGEP1_32(Type *Ty, Value *Ptr, unsigned Idx0,
1278  const Twine &Name = "") {
1280 
1281  if (Constant *PC = dyn_cast<Constant>(Ptr))
1282  return Insert(Folder.CreateGetElementPtr(Ty, PC, Idx), Name);
1283 
1284  return Insert(GetElementPtrInst::Create(Ty, Ptr, Idx), Name);
1285  }
1287  const Twine &Name = "") {
1289 
1290  if (Constant *PC = dyn_cast<Constant>(Ptr))
1291  return Insert(Folder.CreateInBoundsGetElementPtr(Ty, PC, Idx), Name);
1292 
1293  return Insert(GetElementPtrInst::CreateInBounds(Ty, Ptr, Idx), Name);
1294  }
1295  Value *CreateConstGEP2_32(Type *Ty, Value *Ptr, unsigned Idx0, unsigned Idx1,
1296  const Twine &Name = "") {
1297  Value *Idxs[] = {
1300  };
1301 
1302  if (Constant *PC = dyn_cast<Constant>(Ptr))
1303  return Insert(Folder.CreateGetElementPtr(Ty, PC, Idxs), Name);
1304 
1305  return Insert(GetElementPtrInst::Create(Ty, Ptr, Idxs), Name);
1306  }
1308  unsigned Idx1, const Twine &Name = "") {
1309  Value *Idxs[] = {
1312  };
1313 
1314  if (Constant *PC = dyn_cast<Constant>(Ptr))
1315  return Insert(Folder.CreateInBoundsGetElementPtr(Ty, PC, Idxs), Name);
1316 
1317  return Insert(GetElementPtrInst::CreateInBounds(Ty, Ptr, Idxs), Name);
1318  }
1319  Value *CreateConstGEP1_64(Value *Ptr, uint64_t Idx0, const Twine &Name = "") {
1321 
1322  if (Constant *PC = dyn_cast<Constant>(Ptr))
1323  return Insert(Folder.CreateGetElementPtr(nullptr, PC, Idx), Name);
1324 
1325  return Insert(GetElementPtrInst::Create(nullptr, Ptr, Idx), Name);
1326  }
1328  const Twine &Name = "") {
1330 
1331  if (Constant *PC = dyn_cast<Constant>(Ptr))
1332  return Insert(Folder.CreateInBoundsGetElementPtr(nullptr, PC, Idx), Name);
1333 
1334  return Insert(GetElementPtrInst::CreateInBounds(nullptr, Ptr, Idx), Name);
1335  }
1336  Value *CreateConstGEP2_64(Value *Ptr, uint64_t Idx0, uint64_t Idx1,
1337  const Twine &Name = "") {
1338  Value *Idxs[] = {
1341  };
1342 
1343  if (Constant *PC = dyn_cast<Constant>(Ptr))
1344  return Insert(Folder.CreateGetElementPtr(nullptr, PC, Idxs), Name);
1345 
1346  return Insert(GetElementPtrInst::Create(nullptr, Ptr, Idxs), Name);
1347  }
1348  Value *CreateConstInBoundsGEP2_64(Value *Ptr, uint64_t Idx0, uint64_t Idx1,
1349  const Twine &Name = "") {
1350  Value *Idxs[] = {
1353  };
1354 
1355  if (Constant *PC = dyn_cast<Constant>(Ptr))
1356  return Insert(Folder.CreateInBoundsGetElementPtr(nullptr, PC, Idxs),
1357  Name);
1358 
1359  return Insert(GetElementPtrInst::CreateInBounds(nullptr, Ptr, Idxs), Name);
1360  }
1361  Value *CreateStructGEP(Type *Ty, Value *Ptr, unsigned Idx,
1362  const Twine &Name = "") {
1363  return CreateConstInBoundsGEP2_32(Ty, Ptr, 0, Idx, Name);
1364  }
1365 
1366  /// \brief Same as CreateGlobalString, but return a pointer with "i8*" type
1367  /// instead of a pointer to array of i8.
1368  Value *CreateGlobalStringPtr(StringRef Str, const Twine &Name = "",
1369  unsigned AddressSpace = 0) {
1370  GlobalVariable *gv = CreateGlobalString(Str, Name, AddressSpace);
1372  Value *Args[] = { zero, zero };
1373  return CreateInBoundsGEP(gv->getValueType(), gv, Args, Name);
1374  }
1375 
1376  //===--------------------------------------------------------------------===//
1377  // Instruction creation methods: Cast/Conversion Operators
1378  //===--------------------------------------------------------------------===//
1379 
1380  Value *CreateTrunc(Value *V, Type *DestTy, const Twine &Name = "") {
1381  return CreateCast(Instruction::Trunc, V, DestTy, Name);
1382  }
1383  Value *CreateZExt(Value *V, Type *DestTy, const Twine &Name = "") {
1384  return CreateCast(Instruction::ZExt, V, DestTy, Name);
1385  }
1386  Value *CreateSExt(Value *V, Type *DestTy, const Twine &Name = "") {
1387  return CreateCast(Instruction::SExt, V, DestTy, Name);
1388  }
1389  /// \brief Create a ZExt or Trunc from the integer value V to DestTy. Return
1390  /// the value untouched if the type of V is already DestTy.
1392  const Twine &Name = "") {
1393  assert(V->getType()->isIntOrIntVectorTy() &&
1394  DestTy->isIntOrIntVectorTy() &&
1395  "Can only zero extend/truncate integers!");
1396  Type *VTy = V->getType();
1397  if (VTy->getScalarSizeInBits() < DestTy->getScalarSizeInBits())
1398  return CreateZExt(V, DestTy, Name);
1399  if (VTy->getScalarSizeInBits() > DestTy->getScalarSizeInBits())
1400  return CreateTrunc(V, DestTy, Name);
1401  return V;
1402  }
1403  /// \brief Create a SExt or Trunc from the integer value V to DestTy. Return
1404  /// the value untouched if the type of V is already DestTy.
1406  const Twine &Name = "") {
1407  assert(V->getType()->isIntOrIntVectorTy() &&
1408  DestTy->isIntOrIntVectorTy() &&
1409  "Can only sign extend/truncate integers!");
1410  Type *VTy = V->getType();
1411  if (VTy->getScalarSizeInBits() < DestTy->getScalarSizeInBits())
1412  return CreateSExt(V, DestTy, Name);
1413  if (VTy->getScalarSizeInBits() > DestTy->getScalarSizeInBits())
1414  return CreateTrunc(V, DestTy, Name);
1415  return V;
1416  }
1417  Value *CreateFPToUI(Value *V, Type *DestTy, const Twine &Name = ""){
1418  return CreateCast(Instruction::FPToUI, V, DestTy, Name);
1419  }
1420  Value *CreateFPToSI(Value *V, Type *DestTy, const Twine &Name = ""){
1421  return CreateCast(Instruction::FPToSI, V, DestTy, Name);
1422  }
1423  Value *CreateUIToFP(Value *V, Type *DestTy, const Twine &Name = ""){
1424  return CreateCast(Instruction::UIToFP, V, DestTy, Name);
1425  }
1426  Value *CreateSIToFP(Value *V, Type *DestTy, const Twine &Name = ""){
1427  return CreateCast(Instruction::SIToFP, V, DestTy, Name);
1428  }
1430  const Twine &Name = "") {
1431  return CreateCast(Instruction::FPTrunc, V, DestTy, Name);
1432  }
1433  Value *CreateFPExt(Value *V, Type *DestTy, const Twine &Name = "") {
1434  return CreateCast(Instruction::FPExt, V, DestTy, Name);
1435  }
1437  const Twine &Name = "") {
1438  return CreateCast(Instruction::PtrToInt, V, DestTy, Name);
1439  }
1441  const Twine &Name = "") {
1442  return CreateCast(Instruction::IntToPtr, V, DestTy, Name);
1443  }
1445  const Twine &Name = "") {
1446  return CreateCast(Instruction::BitCast, V, DestTy, Name);
1447  }
1449  const Twine &Name = "") {
1450  return CreateCast(Instruction::AddrSpaceCast, V, DestTy, Name);
1451  }
1453  const Twine &Name = "") {
1454  if (V->getType() == DestTy)
1455  return V;
1456  if (Constant *VC = dyn_cast<Constant>(V))
1457  return Insert(Folder.CreateZExtOrBitCast(VC, DestTy), Name);
1458  return Insert(CastInst::CreateZExtOrBitCast(V, DestTy), Name);
1459  }
1461  const Twine &Name = "") {
1462  if (V->getType() == DestTy)
1463  return V;
1464  if (Constant *VC = dyn_cast<Constant>(V))
1465  return Insert(Folder.CreateSExtOrBitCast(VC, DestTy), Name);
1466  return Insert(CastInst::CreateSExtOrBitCast(V, DestTy), Name);
1467  }
1469  const Twine &Name = "") {
1470  if (V->getType() == DestTy)
1471  return V;
1472  if (Constant *VC = dyn_cast<Constant>(V))
1473  return Insert(Folder.CreateTruncOrBitCast(VC, DestTy), Name);
1474  return Insert(CastInst::CreateTruncOrBitCast(V, DestTy), Name);
1475  }
1477  const Twine &Name = "") {
1478  if (V->getType() == DestTy)
1479  return V;
1480  if (Constant *VC = dyn_cast<Constant>(V))
1481  return Insert(Folder.CreateCast(Op, VC, DestTy), Name);
1482  return Insert(CastInst::Create(Op, V, DestTy), Name);
1483  }
1485  const Twine &Name = "") {
1486  if (V->getType() == DestTy)
1487  return V;
1488  if (Constant *VC = dyn_cast<Constant>(V))
1489  return Insert(Folder.CreatePointerCast(VC, DestTy), Name);
1490  return Insert(CastInst::CreatePointerCast(V, DestTy), Name);
1491  }
1492 
1494  const Twine &Name = "") {
1495  if (V->getType() == DestTy)
1496  return V;
1497 
1498  if (Constant *VC = dyn_cast<Constant>(V)) {
1499  return Insert(Folder.CreatePointerBitCastOrAddrSpaceCast(VC, DestTy),
1500  Name);
1501  }
1502 
1503  return Insert(CastInst::CreatePointerBitCastOrAddrSpaceCast(V, DestTy),
1504  Name);
1505  }
1506 
1507  Value *CreateIntCast(Value *V, Type *DestTy, bool isSigned,
1508  const Twine &Name = "") {
1509  if (V->getType() == DestTy)
1510  return V;
1511  if (Constant *VC = dyn_cast<Constant>(V))
1512  return Insert(Folder.CreateIntCast(VC, DestTy, isSigned), Name);
1513  return Insert(CastInst::CreateIntegerCast(V, DestTy, isSigned), Name);
1514  }
1515 
1517  const Twine &Name = "") {
1518  if (V->getType() == DestTy)
1519  return V;
1520  if (V->getType()->isPtrOrPtrVectorTy() && DestTy->isIntOrIntVectorTy())
1521  return CreatePtrToInt(V, DestTy, Name);
1522  if (V->getType()->isIntOrIntVectorTy() && DestTy->isPtrOrPtrVectorTy())
1523  return CreateIntToPtr(V, DestTy, Name);
1524 
1525  return CreateBitCast(V, DestTy, Name);
1526  }
1527 
1528 public:
1529  Value *CreateFPCast(Value *V, Type *DestTy, const Twine &Name = "") {
1530  if (V->getType() == DestTy)
1531  return V;
1532  if (Constant *VC = dyn_cast<Constant>(V))
1533  return Insert(Folder.CreateFPCast(VC, DestTy), Name);
1534  return Insert(CastInst::CreateFPCast(V, DestTy), Name);
1535  }
1536 
1537  // \brief Provided to resolve 'CreateIntCast(Ptr, Ptr, "...")', giving a
1538  // compile time error, instead of converting the string to bool for the
1539  // isSigned parameter.
1540  Value *CreateIntCast(Value *, Type *, const char *) = delete;
1541 
1542  //===--------------------------------------------------------------------===//
1543  // Instruction creation methods: Compare Instructions
1544  //===--------------------------------------------------------------------===//
1545 
1546  Value *CreateICmpEQ(Value *LHS, Value *RHS, const Twine &Name = "") {
1547  return CreateICmp(ICmpInst::ICMP_EQ, LHS, RHS, Name);
1548  }
1549  Value *CreateICmpNE(Value *LHS, Value *RHS, const Twine &Name = "") {
1550  return CreateICmp(ICmpInst::ICMP_NE, LHS, RHS, Name);
1551  }
1552  Value *CreateICmpUGT(Value *LHS, Value *RHS, const Twine &Name = "") {
1553  return CreateICmp(ICmpInst::ICMP_UGT, LHS, RHS, Name);
1554  }
1555  Value *CreateICmpUGE(Value *LHS, Value *RHS, const Twine &Name = "") {
1556  return CreateICmp(ICmpInst::ICMP_UGE, LHS, RHS, Name);
1557  }
1558  Value *CreateICmpULT(Value *LHS, Value *RHS, const Twine &Name = "") {
1559  return CreateICmp(ICmpInst::ICMP_ULT, LHS, RHS, Name);
1560  }
1561  Value *CreateICmpULE(Value *LHS, Value *RHS, const Twine &Name = "") {
1562  return CreateICmp(ICmpInst::ICMP_ULE, LHS, RHS, Name);
1563  }
1564  Value *CreateICmpSGT(Value *LHS, Value *RHS, const Twine &Name = "") {
1565  return CreateICmp(ICmpInst::ICMP_SGT, LHS, RHS, Name);
1566  }
1567  Value *CreateICmpSGE(Value *LHS, Value *RHS, const Twine &Name = "") {
1568  return CreateICmp(ICmpInst::ICMP_SGE, LHS, RHS, Name);
1569  }
1570  Value *CreateICmpSLT(Value *LHS, Value *RHS, const Twine &Name = "") {
1571  return CreateICmp(ICmpInst::ICMP_SLT, LHS, RHS, Name);
1572  }
1573  Value *CreateICmpSLE(Value *LHS, Value *RHS, const Twine &Name = "") {
1574  return CreateICmp(ICmpInst::ICMP_SLE, LHS, RHS, Name);
1575  }
1576 
1577  Value *CreateFCmpOEQ(Value *LHS, Value *RHS, const Twine &Name = "",
1578  MDNode *FPMathTag = nullptr) {
1579  return CreateFCmp(FCmpInst::FCMP_OEQ, LHS, RHS, Name, FPMathTag);
1580  }
1581  Value *CreateFCmpOGT(Value *LHS, Value *RHS, const Twine &Name = "",
1582  MDNode *FPMathTag = nullptr) {
1583  return CreateFCmp(FCmpInst::FCMP_OGT, LHS, RHS, Name, FPMathTag);
1584  }
1585  Value *CreateFCmpOGE(Value *LHS, Value *RHS, const Twine &Name = "",
1586  MDNode *FPMathTag = nullptr) {
1587  return CreateFCmp(FCmpInst::FCMP_OGE, LHS, RHS, Name, FPMathTag);
1588  }
1589  Value *CreateFCmpOLT(Value *LHS, Value *RHS, const Twine &Name = "",
1590  MDNode *FPMathTag = nullptr) {
1591  return CreateFCmp(FCmpInst::FCMP_OLT, LHS, RHS, Name, FPMathTag);
1592  }
1593  Value *CreateFCmpOLE(Value *LHS, Value *RHS, const Twine &Name = "",
1594  MDNode *FPMathTag = nullptr) {
1595  return CreateFCmp(FCmpInst::FCMP_OLE, LHS, RHS, Name, FPMathTag);
1596  }
1597  Value *CreateFCmpONE(Value *LHS, Value *RHS, const Twine &Name = "",
1598  MDNode *FPMathTag = nullptr) {
1599  return CreateFCmp(FCmpInst::FCMP_ONE, LHS, RHS, Name, FPMathTag);
1600  }
1601  Value *CreateFCmpORD(Value *LHS, Value *RHS, const Twine &Name = "",
1602  MDNode *FPMathTag = nullptr) {
1603  return CreateFCmp(FCmpInst::FCMP_ORD, LHS, RHS, Name, FPMathTag);
1604  }
1605  Value *CreateFCmpUNO(Value *LHS, Value *RHS, const Twine &Name = "",
1606  MDNode *FPMathTag = nullptr) {
1607  return CreateFCmp(FCmpInst::FCMP_UNO, LHS, RHS, Name, FPMathTag);
1608  }
1609  Value *CreateFCmpUEQ(Value *LHS, Value *RHS, const Twine &Name = "",
1610  MDNode *FPMathTag = nullptr) {
1611  return CreateFCmp(FCmpInst::FCMP_UEQ, LHS, RHS, Name, FPMathTag);
1612  }
1613  Value *CreateFCmpUGT(Value *LHS, Value *RHS, const Twine &Name = "",
1614  MDNode *FPMathTag = nullptr) {
1615  return CreateFCmp(FCmpInst::FCMP_UGT, LHS, RHS, Name, FPMathTag);
1616  }
1617  Value *CreateFCmpUGE(Value *LHS, Value *RHS, const Twine &Name = "",
1618  MDNode *FPMathTag = nullptr) {
1619  return CreateFCmp(FCmpInst::FCMP_UGE, LHS, RHS, Name, FPMathTag);
1620  }
1621  Value *CreateFCmpULT(Value *LHS, Value *RHS, const Twine &Name = "",
1622  MDNode *FPMathTag = nullptr) {
1623  return CreateFCmp(FCmpInst::FCMP_ULT, LHS, RHS, Name, FPMathTag);
1624  }
1625  Value *CreateFCmpULE(Value *LHS, Value *RHS, const Twine &Name = "",
1626  MDNode *FPMathTag = nullptr) {
1627  return CreateFCmp(FCmpInst::FCMP_ULE, LHS, RHS, Name, FPMathTag);
1628  }
1629  Value *CreateFCmpUNE(Value *LHS, Value *RHS, const Twine &Name = "",
1630  MDNode *FPMathTag = nullptr) {
1631  return CreateFCmp(FCmpInst::FCMP_UNE, LHS, RHS, Name, FPMathTag);
1632  }
1633 
1635  const Twine &Name = "") {
1636  if (Constant *LC = dyn_cast<Constant>(LHS))
1637  if (Constant *RC = dyn_cast<Constant>(RHS))
1638  return Insert(Folder.CreateICmp(P, LC, RC), Name);
1639  return Insert(new ICmpInst(P, LHS, RHS), Name);
1640  }
1642  const Twine &Name = "", MDNode *FPMathTag = nullptr) {
1643  if (Constant *LC = dyn_cast<Constant>(LHS))
1644  if (Constant *RC = dyn_cast<Constant>(RHS))
1645  return Insert(Folder.CreateFCmp(P, LC, RC), Name);
1646  return Insert(AddFPMathAttributes(new FCmpInst(P, LHS, RHS),
1647  FPMathTag, FMF), Name);
1648  }
1649 
1650  //===--------------------------------------------------------------------===//
1651  // Instruction creation methods: Other Instructions
1652  //===--------------------------------------------------------------------===//
1653 
1654  PHINode *CreatePHI(Type *Ty, unsigned NumReservedValues,
1655  const Twine &Name = "") {
1656  return Insert(PHINode::Create(Ty, NumReservedValues), Name);
1657  }
1658 
1660  const Twine &Name = "", MDNode *FPMathTag = nullptr) {
1661  PointerType *PTy = cast<PointerType>(Callee->getType());
1662  FunctionType *FTy = cast<FunctionType>(PTy->getElementType());
1663  return CreateCall(FTy, Callee, Args, Name, FPMathTag);
1664  }
1665 
1667  ArrayRef<Value *> Args, const Twine &Name = "",
1668  MDNode *FPMathTag = nullptr) {
1669  CallInst *CI = CallInst::Create(FTy, Callee, Args, DefaultOperandBundles);
1670  if (isa<FPMathOperator>(CI))
1671  CI = cast<CallInst>(AddFPMathAttributes(CI, FPMathTag, FMF));
1672  return Insert(CI, Name);
1673  }
1674 
1676  ArrayRef<OperandBundleDef> OpBundles,
1677  const Twine &Name = "", MDNode *FPMathTag = nullptr) {
1678  CallInst *CI = CallInst::Create(Callee, Args, OpBundles);
1679  if (isa<FPMathOperator>(CI))
1680  CI = cast<CallInst>(AddFPMathAttributes(CI, FPMathTag, FMF));
1681  return Insert(CI, Name);
1682  }
1683 
1685  const Twine &Name = "", MDNode *FPMathTag = nullptr) {
1686  return CreateCall(Callee->getFunctionType(), Callee, Args, Name, FPMathTag);
1687  }
1688 
1689  Value *CreateSelect(Value *C, Value *True, Value *False,
1690  const Twine &Name = "", Instruction *MDFrom = nullptr) {
1691  if (Constant *CC = dyn_cast<Constant>(C))
1692  if (Constant *TC = dyn_cast<Constant>(True))
1693  if (Constant *FC = dyn_cast<Constant>(False))
1694  return Insert(Folder.CreateSelect(CC, TC, FC), Name);
1695 
1696  SelectInst *Sel = SelectInst::Create(C, True, False);
1697  if (MDFrom) {
1698  MDNode *Prof = MDFrom->getMetadata(LLVMContext::MD_prof);
1699  MDNode *Unpred = MDFrom->getMetadata(LLVMContext::MD_unpredictable);
1700  Sel = addBranchMetadata(Sel, Prof, Unpred);
1701  }
1702  return Insert(Sel, Name);
1703  }
1704 
1705  VAArgInst *CreateVAArg(Value *List, Type *Ty, const Twine &Name = "") {
1706  return Insert(new VAArgInst(List, Ty), Name);
1707  }
1708 
1710  const Twine &Name = "") {
1711  if (Constant *VC = dyn_cast<Constant>(Vec))
1712  if (Constant *IC = dyn_cast<Constant>(Idx))
1713  return Insert(Folder.CreateExtractElement(VC, IC), Name);
1714  return Insert(ExtractElementInst::Create(Vec, Idx), Name);
1715  }
1716 
1717  Value *CreateExtractElement(Value *Vec, uint64_t Idx,
1718  const Twine &Name = "") {
1719  return CreateExtractElement(Vec, getInt64(Idx), Name);
1720  }
1721 
1723  const Twine &Name = "") {
1724  if (Constant *VC = dyn_cast<Constant>(Vec))
1725  if (Constant *NC = dyn_cast<Constant>(NewElt))
1726  if (Constant *IC = dyn_cast<Constant>(Idx))
1727  return Insert(Folder.CreateInsertElement(VC, NC, IC), Name);
1728  return Insert(InsertElementInst::Create(Vec, NewElt, Idx), Name);
1729  }
1730 
1731  Value *CreateInsertElement(Value *Vec, Value *NewElt, uint64_t Idx,
1732  const Twine &Name = "") {
1733  return CreateInsertElement(Vec, NewElt, getInt64(Idx), Name);
1734  }
1735 
1737  const Twine &Name = "") {
1738  if (Constant *V1C = dyn_cast<Constant>(V1))
1739  if (Constant *V2C = dyn_cast<Constant>(V2))
1740  if (Constant *MC = dyn_cast<Constant>(Mask))
1741  return Insert(Folder.CreateShuffleVector(V1C, V2C, MC), Name);
1742  return Insert(new ShuffleVectorInst(V1, V2, Mask), Name);
1743  }
1744 
1746  const Twine &Name = "") {
1748  return CreateShuffleVector(V1, V2, Mask, Name);
1749  }
1750 
1752  ArrayRef<unsigned> Idxs,
1753  const Twine &Name = "") {
1754  if (Constant *AggC = dyn_cast<Constant>(Agg))
1755  return Insert(Folder.CreateExtractValue(AggC, Idxs), Name);
1756  return Insert(ExtractValueInst::Create(Agg, Idxs), Name);
1757  }
1758 
1760  ArrayRef<unsigned> Idxs,
1761  const Twine &Name = "") {
1762  if (Constant *AggC = dyn_cast<Constant>(Agg))
1763  if (Constant *ValC = dyn_cast<Constant>(Val))
1764  return Insert(Folder.CreateInsertValue(AggC, ValC, Idxs), Name);
1765  return Insert(InsertValueInst::Create(Agg, Val, Idxs), Name);
1766  }
1767 
1768  LandingPadInst *CreateLandingPad(Type *Ty, unsigned NumClauses,
1769  const Twine &Name = "") {
1770  return Insert(LandingPadInst::Create(Ty, NumClauses), Name);
1771  }
1772 
1773  //===--------------------------------------------------------------------===//
1774  // Utility creation methods
1775  //===--------------------------------------------------------------------===//
1776 
1777  /// \brief Return an i1 value testing if \p Arg is null.
1778  Value *CreateIsNull(Value *Arg, const Twine &Name = "") {
1779  return CreateICmpEQ(Arg, Constant::getNullValue(Arg->getType()),
1780  Name);
1781  }
1782 
1783  /// \brief Return an i1 value testing if \p Arg is not null.
1784  Value *CreateIsNotNull(Value *Arg, const Twine &Name = "") {
1785  return CreateICmpNE(Arg, Constant::getNullValue(Arg->getType()),
1786  Name);
1787  }
1788 
1789  /// \brief Return the i64 difference between two pointer values, dividing out
1790  /// the size of the pointed-to objects.
1791  ///
1792  /// This is intended to implement C-style pointer subtraction. As such, the
1793  /// pointers must be appropriately aligned for their element types and
1794  /// pointing into the same object.
1795  Value *CreatePtrDiff(Value *LHS, Value *RHS, const Twine &Name = "") {
1796  assert(LHS->getType() == RHS->getType() &&
1797  "Pointer subtraction operand types must match!");
1798  PointerType *ArgType = cast<PointerType>(LHS->getType());
1799  Value *LHS_int = CreatePtrToInt(LHS, Type::getInt64Ty(Context));
1800  Value *RHS_int = CreatePtrToInt(RHS, Type::getInt64Ty(Context));
1801  Value *Difference = CreateSub(LHS_int, RHS_int);
1802  return CreateExactSDiv(Difference,
1803  ConstantExpr::getSizeOf(ArgType->getElementType()),
1804  Name);
1805  }
1806 
1807  /// \brief Create an invariant.group.barrier intrinsic call, that stops
1808  /// optimizer to propagate equality using invariant.group metadata.
1809  /// If Ptr type is different from i8*, it's casted to i8* before call
1810  /// and casted back to Ptr type after call.
1812  Module *M = BB->getParent()->getParent();
1813  Function *FnInvariantGroupBarrier = Intrinsic::getDeclaration(M,
1814  Intrinsic::invariant_group_barrier);
1815 
1816  Type *ArgumentAndReturnType = FnInvariantGroupBarrier->getReturnType();
1817  assert(ArgumentAndReturnType ==
1818  FnInvariantGroupBarrier->getFunctionType()->getParamType(0) &&
1819  "InvariantGroupBarrier should take and return the same type");
1820  Type *PtrType = Ptr->getType();
1821 
1822  bool PtrTypeConversionNeeded = PtrType != ArgumentAndReturnType;
1823  if (PtrTypeConversionNeeded)
1824  Ptr = CreateBitCast(Ptr, ArgumentAndReturnType);
1825 
1826  CallInst *Fn = CreateCall(FnInvariantGroupBarrier, {Ptr});
1827 
1828  if (PtrTypeConversionNeeded)
1829  return CreateBitCast(Fn, PtrType);
1830  return Fn;
1831  }
1832 
1833  /// \brief Return a vector value that contains \arg V broadcasted to \p
1834  /// NumElts elements.
1835  Value *CreateVectorSplat(unsigned NumElts, Value *V, const Twine &Name = "") {
1836  assert(NumElts > 0 && "Cannot splat to an empty vector!");
1837 
1838  // First insert it into an undef vector so we can shuffle it.
1839  Type *I32Ty = getInt32Ty();
1840  Value *Undef = UndefValue::get(VectorType::get(V->getType(), NumElts));
1841  V = CreateInsertElement(Undef, V, ConstantInt::get(I32Ty, 0),
1842  Name + ".splatinsert");
1843 
1844  // Shuffle the value across the desired number of elements.
1845  Value *Zeros = ConstantAggregateZero::get(VectorType::get(I32Ty, NumElts));
1846  return CreateShuffleVector(V, Undef, Zeros, Name + ".splat");
1847  }
1848 
1849  /// \brief Return a value that has been extracted from a larger integer type.
1851  IntegerType *ExtractedTy, uint64_t Offset,
1852  const Twine &Name) {
1853  IntegerType *IntTy = cast<IntegerType>(From->getType());
1854  assert(DL.getTypeStoreSize(ExtractedTy) + Offset <=
1855  DL.getTypeStoreSize(IntTy) &&
1856  "Element extends past full value");
1857  uint64_t ShAmt = 8 * Offset;
1858  Value *V = From;
1859  if (DL.isBigEndian())
1860  ShAmt = 8 * (DL.getTypeStoreSize(IntTy) -
1861  DL.getTypeStoreSize(ExtractedTy) - Offset);
1862  if (ShAmt) {
1863  V = CreateLShr(V, ShAmt, Name + ".shift");
1864  }
1865  assert(ExtractedTy->getBitWidth() <= IntTy->getBitWidth() &&
1866  "Cannot extract to a larger integer!");
1867  if (ExtractedTy != IntTy) {
1868  V = CreateTrunc(V, ExtractedTy, Name + ".trunc");
1869  }
1870  return V;
1871  }
1872 
1873 private:
1874  /// \brief Helper function that creates an assume intrinsic call that
1875  /// represents an alignment assumption on the provided Ptr, Mask, Type
1876  /// and Offset.
1877  CallInst *CreateAlignmentAssumptionHelper(const DataLayout &DL,
1878  Value *PtrValue, Value *Mask,
1879  Type *IntPtrTy,
1880  Value *OffsetValue) {
1881  Value *PtrIntValue = CreatePtrToInt(PtrValue, IntPtrTy, "ptrint");
1882 
1883  if (OffsetValue) {
1884  bool IsOffsetZero = false;
1885  if (ConstantInt *CI = dyn_cast<ConstantInt>(OffsetValue))
1886  IsOffsetZero = CI->isZero();
1887 
1888  if (!IsOffsetZero) {
1889  if (OffsetValue->getType() != IntPtrTy)
1890  OffsetValue = CreateIntCast(OffsetValue, IntPtrTy, /*isSigned*/ true,
1891  "offsetcast");
1892  PtrIntValue = CreateSub(PtrIntValue, OffsetValue, "offsetptr");
1893  }
1894  }
1895 
1896  Value *Zero = ConstantInt::get(IntPtrTy, 0);
1897  Value *MaskedPtr = CreateAnd(PtrIntValue, Mask, "maskedptr");
1898  Value *InvCond = CreateICmpEQ(MaskedPtr, Zero, "maskcond");
1899  return CreateAssumption(InvCond);
1900  }
1901 
1902 public:
1903  /// \brief Create an assume intrinsic call that represents an alignment
1904  /// assumption on the provided pointer.
1905  ///
1906  /// An optional offset can be provided, and if it is provided, the offset
1907  /// must be subtracted from the provided pointer to get the pointer with the
1908  /// specified alignment.
1910  unsigned Alignment,
1911  Value *OffsetValue = nullptr) {
1912  assert(isa<PointerType>(PtrValue->getType()) &&
1913  "trying to create an alignment assumption on a non-pointer?");
1914  PointerType *PtrTy = cast<PointerType>(PtrValue->getType());
1915  Type *IntPtrTy = getIntPtrTy(DL, PtrTy->getAddressSpace());
1916 
1917  Value *Mask = ConstantInt::get(IntPtrTy, Alignment > 0 ? Alignment - 1 : 0);
1918  return CreateAlignmentAssumptionHelper(DL, PtrValue, Mask, IntPtrTy,
1919  OffsetValue);
1920  }
1921  //
1922  /// \brief Create an assume intrinsic call that represents an alignment
1923  /// assumption on the provided pointer.
1924  ///
1925  /// An optional offset can be provided, and if it is provided, the offset
1926  /// must be subtracted from the provided pointer to get the pointer with the
1927  /// specified alignment.
1928  ///
1929  /// This overload handles the condition where the Alignment is dependent
1930  /// on an existing value rather than a static value.
1932  Value *Alignment,
1933  Value *OffsetValue = nullptr) {
1934  assert(isa<PointerType>(PtrValue->getType()) &&
1935  "trying to create an alignment assumption on a non-pointer?");
1936  PointerType *PtrTy = cast<PointerType>(PtrValue->getType());
1937  Type *IntPtrTy = getIntPtrTy(DL, PtrTy->getAddressSpace());
1938 
1939  if (Alignment->getType() != IntPtrTy)
1940  Alignment = CreateIntCast(Alignment, IntPtrTy, /*isSigned*/ true,
1941  "alignmentcast");
1942  Value *IsPositive =
1943  CreateICmp(CmpInst::ICMP_SGT, Alignment,
1944  ConstantInt::get(Alignment->getType(), 0), "ispositive");
1945  Value *PositiveMask =
1946  CreateSub(Alignment, ConstantInt::get(IntPtrTy, 1), "positivemask");
1947  Value *Mask = CreateSelect(IsPositive, PositiveMask,
1948  ConstantInt::get(IntPtrTy, 0), "mask");
1949 
1950  return CreateAlignmentAssumptionHelper(DL, PtrValue, Mask, IntPtrTy,
1951  OffsetValue);
1952  }
1953 };
1954 
1955 // Create wrappers for C Binding types (see CBindingWrapping.h).
1957 
1958 } // end namespace llvm
1959 
1960 #endif // LLVM_IR_IRBUILDER_H
IntegerType * getInt16Ty()
Fetch the type representing a 16-bit integer.
Definition: IRBuilder.h:343
Value * CreateInsertElement(Value *Vec, Value *NewElt, uint64_t Idx, const Twine &Name="")
Definition: IRBuilder.h:1731
Value * CreateNSWNeg(Value *V, const Twine &Name="")
Definition: IRBuilder.h:1129
Value * CreateConstInBoundsGEP1_32(Type *Ty, Value *Ptr, unsigned Idx0, const Twine &Name="")
Definition: IRBuilder.h:1286
Value * CreateInBoundsGEP(Value *Ptr, ArrayRef< Value *> IdxList, const Twine &Name="")
Definition: IRBuilder.h:1240
Common base class shared among various IRBuilders.
Definition: IRBuilder.h:90
uint64_t CallInst * C
Return a value (possibly void), from a function.
Value * CreateAShr(Value *LHS, const APInt &RHS, const Twine &Name="", bool isExact=false)
Definition: IRBuilder.h:1054
Value * CreateInBoundsGEP(Type *Ty, Value *Ptr, Value *Idx, const Twine &Name="")
Definition: IRBuilder.h:1267
A parsed version of the target data layout string in and methods for querying it. ...
Definition: DataLayout.h:109
static ConstantInt * getFalse(LLVMContext &Context)
Definition: Constants.cpp:523
BranchInst * CreateCondBr(Value *Cond, BasicBlock *True, BasicBlock *False, MDNode *BranchWeights=nullptr, MDNode *Unpredictable=nullptr)
Create a conditional &#39;br Cond, TrueDest, FalseDest&#39; instruction.
Definition: IRBuilder.h:775
Value * CreateICmp(CmpInst::Predicate P, Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:1634
Value * CreateConstGEP1_32(Value *Ptr, unsigned Idx0, const Twine &Name="")
Definition: IRBuilder.h:1274
void setFastMathFlags(FastMathFlags FMF)
Convenience function for setting multiple fast-math flags on this instruction, which must be an opera...
static Type * getDoubleTy(LLVMContext &C)
Definition: Type.cpp:165
static IntegerType * getInt1Ty(LLVMContext &C)
Definition: Type.cpp:173
IRBuilder(BasicBlock *TheBB, BasicBlock::iterator IP, const T &F, MDNode *FPMathTag=nullptr, ArrayRef< OperandBundleDef > OpBundles=None)
Definition: IRBuilder.h:696
Value * CreateBinOp(Instruction::BinaryOps Opc, Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1108
Value * CreateConstGEP1_32(Type *Ty, Value *Ptr, unsigned Idx0, const Twine &Name="")
Definition: IRBuilder.h:1277
FastMathFlags getFastMathFlags() const
Get the flags to be applied to created floating point ops.
Definition: IRBuilder.h:212
LLVMContext & Context
LLVMContext & getContext() const
Definition: IRBuilder.h:124
AllocaInst * CreateAlloca(Type *Ty, unsigned AddrSpace, Value *ArraySize=nullptr, const Twine &Name="")
Definition: IRBuilder.h:1152
static BinaryOperator * CreateNot(Value *Op, const Twine &Name="", Instruction *InsertBefore=nullptr)
Value * CreateICmpNE(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:1549
Value * CreateIsNotNull(Value *Arg, const Twine &Name="")
Return an i1 value testing if Arg is not null.
Definition: IRBuilder.h:1784
Atomic ordering constants.
Value * CreateAddrSpaceCast(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1448
Value * CreateZExtOrTrunc(Value *V, Type *DestTy, const Twine &Name="")
Create a ZExt or Trunc from the integer value V to DestTy.
Definition: IRBuilder.h:1391
Compute iterated dominance frontiers using a linear time algorithm.
Definition: AllocatorList.h:24
Value * CreateFPTrunc(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1429
Type * getParamType(unsigned i) const
Parameter type accessors.
Definition: DerivedTypes.h:135
Value * CreateICmpULT(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:1558
CallInst * CreateCall(FunctionType *FTy, Value *Callee, ArrayRef< Value *> Args, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1666
Value * CreateXor(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:1095
A Module instance is used to store all the information related to an LLVM module. ...
Definition: Module.h:63
static ResumeInst * Create(Value *Exn, Instruction *InsertBefore=nullptr)
CallInst * CreateCall(Value *Callee, ArrayRef< Value *> Args, ArrayRef< OperandBundleDef > OpBundles, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1675
An instruction for ordering other memory operations.
Definition: Instructions.h:440
an instruction that atomically checks whether a specified value is in a memory location, and, if it is, stores a new value there.
Definition: Instructions.h:514
FastMathFlags FMF
Definition: IRBuilder.h:99
Value * CreateFCmpOLE(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1593
bool isSet() const
Returns true if this insert point is set.
Definition: IRBuilder.h:182
LoadInst * CreateLoad(Value *Ptr, bool isVolatile, const Twine &Name="")
Definition: IRBuilder.h:1173
Value * CreateShl(Value *LHS, uint64_t RHS, const Twine &Name="", bool HasNUW=false, bool HasNSW=false)
Definition: IRBuilder.h:1021
static ConstantAggregateZero * get(Type *Ty)
Definition: Constants.cpp:1237
Value * CreateNUWAdd(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:900
Value * CreateExtractInteger(const DataLayout &DL, Value *From, IntegerType *ExtractedTy, uint64_t Offset, const Twine &Name)
Return a value that has been extracted from a larger integer type.
Definition: IRBuilder.h:1850
static GetElementPtrInst * Create(Type *PointeeType, Value *Ptr, ArrayRef< Value *> IdxList, const Twine &NameStr="", Instruction *InsertBefore=nullptr)
Definition: Instructions.h:863
Value * CreateICmpSLT(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:1570
This class represents a function call, abstracting a target machine&#39;s calling convention.
void SetInsertPoint(BasicBlock *TheBB, BasicBlock::iterator IP)
This specifies that created instructions should be inserted at the specified point.
Definition: IRBuilder.h:144
Value * CreateConstGEP2_32(Type *Ty, Value *Ptr, unsigned Idx0, unsigned Idx1, const Twine &Name="")
Definition: IRBuilder.h:1295
unsigned less or equal
Definition: InstrTypes.h:886
unsigned less than
Definition: InstrTypes.h:885
IRBuilder(BasicBlock *TheBB, MDNode *FPMathTag=nullptr, ArrayRef< OperandBundleDef > OpBundles=None)
Definition: IRBuilder.h:684
0 1 0 0 True if ordered and less than
Definition: InstrTypes.h:866
This instruction constructs a fixed permutation of two input vectors.
static SelectInst * Create(Value *C, Value *S1, Value *S2, const Twine &NameStr="", Instruction *InsertBefore=nullptr, Instruction *MDFrom=nullptr)
1 1 1 0 True if unordered or not equal
Definition: InstrTypes.h:876
struct LLVMOpaqueBuilder * LLVMBuilderRef
Represents an LLVM basic block builder.
Definition: Types.h:97
Value * CreateSExt(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1386
A debug info location.
Definition: DebugLoc.h:34
Metadata node.
Definition: Metadata.h:862
static CallInst * Create(Value *Func, ArrayRef< Value *> Args, ArrayRef< OperandBundleDef > Bundles=None, const Twine &NameStr="", Instruction *InsertBefore=nullptr)
Value * CreateFCmpUGE(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1617
CallInst * CreateMemSet(Value *Ptr, Value *Val, uint64_t Size, unsigned Align, bool isVolatile=false, MDNode *TBAATag=nullptr, MDNode *ScopeTag=nullptr, MDNode *NoAliasTag=nullptr)
Create and insert a memset to the specified pointer and the specified value.
Definition: IRBuilder.h:405
An instruction for reading from memory.
Definition: Instructions.h:164
Value * CreateFCmpUNO(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1605
static IntegerType * getInt64Ty(LLVMContext &C)
Definition: Type.cpp:177
an instruction that atomically reads a memory location, combines it with another value, and then stores the result back.
Definition: Instructions.h:677
Value * CreateICmpULE(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:1561
Value * CreateShuffleVector(Value *V1, Value *V2, ArrayRef< uint32_t > IntMask, const Twine &Name="")
Definition: IRBuilder.h:1745
static IntegerType * getInt16Ty(LLVMContext &C)
Definition: Type.cpp:175
CallInst * CreateAlignmentAssumption(const DataLayout &DL, Value *PtrValue, Value *Alignment, Value *OffsetValue=nullptr)
Create an assume intrinsic call that represents an alignment assumption on the provided pointer...
Definition: IRBuilder.h:1931
static LandingPadInst * Create(Type *RetTy, unsigned NumReservedClauses, const Twine &NameStr="", Instruction *InsertBefore=nullptr)
Constructors - NumReservedClauses is a hint for the number of incoming clauses that this landingpad w...
static SDNode * getInt64(SelectionDAG *CurDAG, const SDLoc &dl, int64_t Imm)
Value * CreateNSWAdd(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:897
static Constant * getNullValue(Type *Ty)
Constructor to create a &#39;0&#39; constant of arbitrary type.
Definition: Constants.cpp:207
StoreInst * CreateAlignedStore(Value *Val, Value *Ptr, unsigned Align, bool isVolatile=false)
Definition: IRBuilder.h:1199
Value * CreateNot(Value *V, const Twine &Name="")
Definition: IRBuilder.h:1142
LLVMContext & Context
Definition: IRBuilder.h:96
Value * CreateFCmpUGT(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1613
static ReturnInst * Create(LLVMContext &C, Value *retVal=nullptr, Instruction *InsertBefore=nullptr)
IntegerType * getInt32Ty()
Fetch the type representing a 32-bit integer.
Definition: IRBuilder.h:348
1 0 0 1 True if unordered or equal
Definition: InstrTypes.h:871
Value * CreateFSub(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:925
Value * CreateOr(Value *LHS, uint64_t RHS, const Twine &Name="")
Definition: IRBuilder.h:1091
AllocaInst * CreateAlloca(Type *Ty, Value *ArraySize=nullptr, const Twine &Name="")
Definition: IRBuilder.h:1157
unsigned getAllocaAddrSpace() const
Definition: DataLayout.h:253
static InsertElementInst * Create(Value *Vec, Value *NewElt, Value *Idx, const Twine &NameStr="", Instruction *InsertBefore=nullptr)
1 0 0 0 True if unordered: isnan(X) | isnan(Y)
Definition: InstrTypes.h:870
Definition: BitVector.h:920
Value * CreateFPExt(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1433
#define DEFINE_SIMPLE_CONVERSION_FUNCTIONS(ty, ref)
This class represents the LLVM &#39;select&#39; instruction.
Value * CreatePtrDiff(Value *LHS, Value *RHS, const Twine &Name="")
Return the i64 difference between two pointer values, dividing out the size of the pointed-to objects...
Definition: IRBuilder.h:1795
Twine - A lightweight data structure for efficiently representing the concatenation of temporary valu...
Definition: Twine.h:81
Value * CreateAShr(Value *LHS, uint64_t RHS, const Twine &Name="", bool isExact=false)
Definition: IRBuilder.h:1058
IntegerType * getInt64Ty()
Fetch the type representing a 64-bit integer.
Definition: IRBuilder.h:353
static Type * getFloatTy(LLVMContext &C)
Definition: Type.cpp:164
LoadInst * CreateLoad(Value *Ptr, const Twine &Name="")
Definition: IRBuilder.h:1167
ArrayRef< T > makeArrayRef(const T &OneElt)
Construct an ArrayRef from a single element.
Definition: ArrayRef.h:451
CleanupPadInst * CreateCleanupPad(Value *ParentPad, ArrayRef< Value *> Args=None, const Twine &Name="")
Definition: IRBuilder.h:849
Value * CreateSExtOrBitCast(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1460
ReturnInst * CreateRet(Value *V)
Create a &#39;ret <val>&#39; instruction.
Definition: IRBuilder.h:750
This provides a uniform API for creating instructions and inserting them into a basic block: either a...
Definition: IRBuilder.h:664
IntegerType * getIntPtrTy(const DataLayout &DL, unsigned AddrSpace=0)
Fetch the type representing a pointer to an integer value.
Definition: IRBuilder.h:391
0 1 0 1 True if ordered and less than or equal
Definition: InstrTypes.h:867
CallInst * CreateAlignmentAssumption(const DataLayout &DL, Value *PtrValue, unsigned Alignment, Value *OffsetValue=nullptr)
Create an assume intrinsic call that represents an alignment assumption on the provided pointer...
Definition: IRBuilder.h:1909
const DebugLoc & getCurrentDebugLocation() const
Get location information used by debugging information.
Definition: IRBuilder.h:155
Value * CreateAdd(Value *LHS, Value *RHS, const Twine &Name="", bool HasNUW=false, bool HasNSW=false)
Definition: IRBuilder.h:889
void setName(const Twine &Name)
Change the name of the value.
Definition: Value.cpp:284
Value * CreateICmpSGT(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:1564
ConstantInt * getInt16(uint16_t C)
Get a constant 16-bit value.
Definition: IRBuilder.h:303
Type * getVoidTy()
Fetch the type representing void.
Definition: IRBuilder.h:381
BasicBlock * BB
Definition: IRBuilder.h:94
AtomicOrdering
Atomic ordering for LLVM&#39;s memory model.
CatchReturnInst * CreateCatchRet(CatchPadInst *CatchPad, BasicBlock *BB)
Definition: IRBuilder.h:855
StoreInst * CreateStore(Value *Val, Value *Ptr, bool isVolatile=false)
Definition: IRBuilder.h:1176
Value * CreateIntToPtr(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1440
static Constant * getSizeOf(Type *Ty)
getSizeOf constant expr - computes the (alloc) size of a type (in address-units, not bits) in a targe...
Definition: Constants.cpp:1791
Class to represent function types.
Definition: DerivedTypes.h:103
Value * CreateBitCast(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1444
#define F(x, y, z)
Definition: MD5.cpp:55
Type * getType() const
All values are typed, get the type of this value.
Definition: Value.h:245
Value * CreateSExtOrTrunc(Value *V, Type *DestTy, const Twine &Name="")
Create a SExt or Trunc from the integer value V to DestTy.
Definition: IRBuilder.h:1405
Value * CreateICmpUGT(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:1552
BinOp
This enumeration lists the possible modifications atomicrmw can make.
Definition: Instructions.h:689
BasicBlock * GetInsertBlock() const
Definition: IRBuilder.h:122
Value * CreateGlobalStringPtr(StringRef Str, const Twine &Name="", unsigned AddressSpace=0)
Same as CreateGlobalString, but return a pointer with "i8*" type instead of a pointer to array of i8...
Definition: IRBuilder.h:1368
void ClearInsertionPoint()
Clear the insertion point: created instructions will not be inserted into a block.
Definition: IRBuilder.h:117
void SetInstDebugLocation(Instruction *I) const
If this builder has a current debug location, set it on the specified instruction.
Definition: IRBuilder.h:159
This instruction compares its operands according to the predicate given to the constructor.
CallInst * CreateMemMove(Value *Dst, Value *Src, uint64_t Size, unsigned Align, bool isVolatile=false, MDNode *TBAATag=nullptr, MDNode *ScopeTag=nullptr, MDNode *NoAliasTag=nullptr)
Create and insert a memmove between the specified pointers.
Definition: IRBuilder.h:464
Value * CreateVectorSplat(unsigned NumElts, Value *V, const Twine &Name="")
Return a vector value that contains.
Definition: IRBuilder.h:1835
ArrayRef - Represent a constant reference to an array (0 or more elements consecutively in memory)...
Definition: APInt.h:33
ConstantFolder - Create constants with minimum, target independent, folding.
AtomicCmpXchgInst * CreateAtomicCmpXchg(Value *Ptr, Value *Cmp, Value *New, AtomicOrdering SuccessOrdering, AtomicOrdering FailureOrdering, SyncScope::ID SSID=SyncScope::System)
Definition: IRBuilder.h:1211
Value * CreateSub(Value *LHS, Value *RHS, const Twine &Name="", bool HasNUW=false, bool HasNSW=false)
Definition: IRBuilder.h:911
Value * CreateSIToFP(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1426
An instruction for storing to memory.
Definition: Instructions.h:306
void SetCurrentDebugLocation(DebugLoc L)
Set location information used by debugging information.
Definition: IRBuilder.h:152
bool isIntOrIntVectorTy() const
Return true if this is an integer type or a vector of integer types.
Definition: Type.h:203
Value * CreateZExt(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1383
IRBuilder(LLVMContext &C, MDNode *FPMathTag=nullptr, ArrayRef< OperandBundleDef > OpBundles=None)
Definition: IRBuilder.h:674
unsigned getBitWidth() const
Get the number of bits in this IntegerType.
Definition: DerivedTypes.h:66
Value * CreateFCmpOEQ(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1577
Value * CreateZExtOrBitCast(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1452
Function * getDeclaration(Module *M, ID id, ArrayRef< Type *> Tys=None)
Create or insert an LLVM Function declaration for an intrinsic, and return it.
Definition: Function.cpp:975
static BinaryOperator * CreateAdd(Value *S1, Value *S2, const Twine &Name, Instruction *InsertBefore, Value *FlagsOp)
Value * CreateXor(Value *LHS, const APInt &RHS, const Twine &Name="")
Definition: IRBuilder.h:1101
const char * Name
void SetInsertPoint(BasicBlock *TheBB)
This specifies that created instructions should be appended to the end of the specified block...
Definition: IRBuilder.h:128
ConstantInt * getIntN(unsigned N, uint64_t C)
Get a constant N-bit value, zero extended or truncated from a 64-bit value.
Definition: IRBuilder.h:319
Class to represent pointers.
Definition: DerivedTypes.h:467
Type * getHalfTy()
Fetch the type representing a 16-bit floating point value.
Definition: IRBuilder.h:366
CallInst * CreateMinNum(Value *LHS, Value *RHS, const Twine &Name="")
Create call to the minnum intrinsic.
Definition: IRBuilder.h:630
Value * CreateFCmpUEQ(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1609
Value * CreateOr(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:1079
IndirectBrInst * CreateIndirectBr(Value *Addr, unsigned NumDests=10)
Create an indirect branch instruction with the specified address operand, with an optional hint for t...
Definition: IRBuilder.h:808
Value * CreateFCmp(CmpInst::Predicate P, Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1641
InsertPoint saveAndClearIP()
Returns the current insert point, clearing it in the process.
Definition: IRBuilder.h:194
LoadInst * CreateLoad(Value *Ptr, const char *Name)
Definition: IRBuilder.h:1164
IntegerType * getIntPtrType(LLVMContext &C, unsigned AddressSpace=0) const
Returns an integer type with size at least as big as that of a pointer in the given address space...
Definition: DataLayout.cpp:702
Type * getDoubleTy()
Fetch the type representing a 64-bit floating point value.
Definition: IRBuilder.h:376
#define P(N)
Type * getReturnType() const
Returns the type of the ret val.
Definition: Function.h:142
void restoreIP(InsertPoint IP)
Sets the current insert point to a previously-saved location.
Definition: IRBuilder.h:201
static IntegerType * getInt128Ty(LLVMContext &C)
Definition: Type.cpp:178
The landingpad instruction holds all of the information necessary to generate correct exception handl...
IntegerType * getInt128Ty()
Fetch the type representing a 128-bit integer.
Definition: IRBuilder.h:358
void setDebugLoc(DebugLoc Loc)
Set the debug location information for this instruction.
Definition: Instruction.h:277
Value * CreateAShr(Value *LHS, Value *RHS, const Twine &Name="", bool isExact=false)
Definition: IRBuilder.h:1045
InsertPoint(BasicBlock *InsertBlock, BasicBlock::iterator InsertPoint)
Creates a new insertion point at the given location.
Definition: IRBuilder.h:178
IRBuilder(Instruction *IP, MDNode *FPMathTag=nullptr, ArrayRef< OperandBundleDef > OpBundles=None)
Definition: IRBuilder.h:690
LLVM Basic Block Representation.
Definition: BasicBlock.h:59
The instances of the Type class are immutable: once they are created, they are never changed...
Definition: Type.h:46
This is an important class for using LLVM in a threaded context.
Definition: LLVMContext.h:68
ConstantInt * getTrue()
Get the constant value for i1 true.
Definition: IRBuilder.h:288
UnreachableInst * CreateUnreachable()
Definition: IRBuilder.h:859
Conditional or Unconditional Branch instruction.
static ExtractValueInst * Create(Value *Agg, ArrayRef< unsigned > Idxs, const Twine &NameStr="", Instruction *InsertBefore=nullptr)
MDNode * getDefaultFPMathTag() const
Get the floating point math metadata being used.
Definition: IRBuilder.h:209
size_t size() const
size - Get the array size.
Definition: ArrayRef.h:149
This function has undefined behavior.
ConstantInt * getInt1(bool V)
Get a constant value representing either true or false.
Definition: IRBuilder.h:283
Value * CreateExactSDiv(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:976
This is an important base class in LLVM.
Definition: Constant.h:42
InsertPoint saveIP() const
Returns the current insert point.
Definition: IRBuilder.h:189
Resume the propagation of an exception.
Value * CreateShl(Value *LHS, const APInt &RHS, const Twine &Name="", bool HasNUW=false, bool HasNSW=false)
Definition: IRBuilder.h:1016
constexpr char Args[]
Key for Kernel::Metadata::mArgs.
This file contains the declarations for the subclasses of Constant, which represent the different fla...
Value * CreateExactUDiv(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:964
Value * CreateSelect(Value *C, Value *True, Value *False, const Twine &Name="", Instruction *MDFrom=nullptr)
Definition: IRBuilder.h:1689
Indirect Branch Instruction.
Value * CreateNSWMul(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:941
Value * CreateFCmpOGT(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1581
Value * CreateConstGEP2_64(Value *Ptr, uint64_t Idx0, uint64_t Idx1, const Twine &Name="")
Definition: IRBuilder.h:1336
Value * CreateFPToUI(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1417
CallInst * CreateMaxNum(Value *LHS, Value *RHS, const Twine &Name="")
Create call to the maxnum intrinsic.
Definition: IRBuilder.h:635
LoadInst * CreateLoad(Type *Ty, Value *Ptr, const Twine &Name="")
Definition: IRBuilder.h:1170
static Type * getVoidTy(LLVMContext &C)
Definition: Type.cpp:161
CatchSwitchInst * CreateCatchSwitch(Value *ParentPad, BasicBlock *UnwindBB, unsigned NumHandlers, const Twine &Name="")
Definition: IRBuilder.h:837
VAArgInst * CreateVAArg(Value *List, Type *Ty, const Twine &Name="")
Definition: IRBuilder.h:1705
Value * CreateNeg(Value *V, const Twine &Name="", bool HasNUW=false, bool HasNSW=false)
Definition: IRBuilder.h:1120
This instruction compares its operands according to the predicate given to the constructor.
Predicate
This enumeration lists the possible predicates for CmpInst subclasses.
Definition: InstrTypes.h:860
IRBuilder(BasicBlock *TheBB, const T &F, MDNode *FPMathTag=nullptr, ArrayRef< OperandBundleDef > OpBundles=None)
Definition: IRBuilder.h:678
Value * CreateFRem(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:999
Value * CreateICmpSGE(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:1567
A specialization of it&#39;s base class for read-write access to a gc.statepoint.
Definition: Statepoint.h:319
0 1 1 1 True if ordered (no nans)
Definition: InstrTypes.h:869
static CastInst * CreatePointerBitCastOrAddrSpaceCast(Value *S, Type *Ty, const Twine &Name, BasicBlock *InsertAtEnd)
Create a BitCast or an AddrSpaceCast cast instruction.
unsigned getAddressSpace() const
Return the address space of the Pointer type.
Definition: DerivedTypes.h:495
void clearFastMathFlags()
Clear the fast-math flags.
Definition: IRBuilder.h:215
CallInst * CreateCall(Function *Callee, ArrayRef< Value *> Args, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1684
Value * CreateICmpEQ(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:1546
self_iterator getIterator()
Definition: ilist_node.h:82
Class to represent integer types.
Definition: DerivedTypes.h:40
ConstantInt * getInt64(uint64_t C)
Get a constant 64-bit value.
Definition: IRBuilder.h:313
static CastInst * CreatePointerCast(Value *S, Type *Ty, const Twine &Name, BasicBlock *InsertAtEnd)
Create a BitCast AddrSpaceCast, or a PtrToInt cast instruction.
IntegerType * getIntNTy(unsigned N)
Fetch the type representing an N-bit integer.
Definition: IRBuilder.h:361
Value * CreateExtractElement(Value *Vec, Value *Idx, const Twine &Name="")
Definition: IRBuilder.h:1709
LoadInst * CreateAlignedLoad(Value *Ptr, unsigned Align, bool isVolatile, const Twine &Name="")
Definition: IRBuilder.h:1193
IRBuilderCallbackInserter(std::function< void(Instruction *)> Callback)
Definition: IRBuilder.h:78
void setAlignment(unsigned Align)
Constant * Insert(Constant *C, const Twine &="") const
No-op overload to handle constants.
Definition: IRBuilder.h:722
AtomicRMWInst * CreateAtomicRMW(AtomicRMWInst::BinOp Op, Value *Ptr, Value *Val, AtomicOrdering Ordering, SyncScope::ID SSID=SyncScope::System)
Definition: IRBuilder.h:1218
NUW NUW NUW NUW Exact static Exact BinaryOperator * CreateNeg(Value *Op, const Twine &Name="", Instruction *InsertBefore=nullptr)
Helper functions to construct and inspect unary operations (NEG and NOT) via binary operators SUB and...
static UndefValue * get(Type *T)
Static factory methods - Return an &#39;undef&#39; object of the specified type.
Definition: Constants.cpp:1320
Value * CreateLShr(Value *LHS, const APInt &RHS, const Twine &Name="", bool isExact=false)
Definition: IRBuilder.h:1036
This class represents the va_arg llvm instruction, which returns an argument of the specified type gi...
void SetInsertPoint(Instruction *I)
This specifies that created instructions should be inserted before the specified instruction.
Definition: IRBuilder.h:135
const T & getFolder()
Get the constant folder being used.
Definition: IRBuilder.h:711
Value * CreateExtractValue(Value *Agg, ArrayRef< unsigned > Idxs, const Twine &Name="")
Definition: IRBuilder.h:1751
static CastInst * CreateZExtOrBitCast(Value *S, Type *Ty, const Twine &Name="", Instruction *InsertBefore=nullptr)
Create a ZExt or BitCast cast instruction.
Value * CreateInvariantGroupBarrier(Value *Ptr)
Create an invariant.group.barrier intrinsic call, that stops optimizer to propagate equality using in...
Definition: IRBuilder.h:1811
static PointerType * getInt8PtrTy(LLVMContext &C, unsigned AS=0)
Definition: Type.cpp:220
PointerType * getInt8PtrTy(unsigned AddrSpace=0)
Fetch the type representing a pointer to an 8-bit integer value.
Definition: IRBuilder.h:386
1 1 0 1 True if unordered, less than, or equal
Definition: InstrTypes.h:875
void setMetadata(unsigned KindID, MDNode *Node)
Set the metadata of the specified kind to the specified node.
Definition: Metadata.cpp:1214
Value * CreateMul(Value *LHS, Value *RHS, const Twine &Name="", bool HasNUW=false, bool HasNSW=false)
Definition: IRBuilder.h:933
Value * CreateTrunc(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1380
static IndirectBrInst * Create(Value *Address, unsigned NumDests, Instruction *InsertBefore=nullptr)
static InvokeInst * Create(Value *Func, BasicBlock *IfNormal, BasicBlock *IfException, ArrayRef< Value *> Args, const Twine &NameStr, Instruction *InsertBefore=nullptr)
Value * CreateLShr(Value *LHS, uint64_t RHS, const Twine &Name="", bool isExact=false)
Definition: IRBuilder.h:1040
Value * CreateSRem(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:993
signed greater than
Definition: InstrTypes.h:887
Value * CreateFCmpUNE(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1629
Value * CreateUIToFP(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1423
Value * CreateFCmpOGE(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1585
Value * CreateConstGEP1_64(Value *Ptr, uint64_t Idx0, const Twine &Name="")
Definition: IRBuilder.h:1319
This provides the default implementation of the IRBuilder &#39;InsertHelper&#39; method that is called whenev...
Definition: IRBuilder.h:63
PHINode * CreatePHI(Type *Ty, unsigned NumReservedValues, const Twine &Name="")
Definition: IRBuilder.h:1654
Value * CreateGEP(Value *Ptr, ArrayRef< Value *> IdxList, const Twine &Name="")
Definition: IRBuilder.h:1223
Value * CreateFCmpOLT(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1589
0 0 1 0 True if ordered and greater than
Definition: InstrTypes.h:864
static BinaryOperator * CreateFNeg(Value *Op, const Twine &Name="", Instruction *InsertBefore=nullptr)
static Type * getHalfTy(LLVMContext &C)
Definition: Type.cpp:163
bool isPtrOrPtrVectorTy() const
Return true if this is a pointer type or a vector of pointer types.
Definition: Type.h:224
const InstListType & getInstList() const
Return the underlying instruction list container.
Definition: BasicBlock.h:317
void setHasNoSignedWrap(bool b=true)
Set or clear the nsw flag on this instruction, which must be an operator which supports this flag...
static CastInst * CreateIntegerCast(Value *S, Type *Ty, bool isSigned, const Twine &Name="", Instruction *InsertBefore=nullptr)
Create a ZExt, BitCast, or Trunc for int -> int casts.
Synchronized with respect to all concurrently executing threads.
Definition: LLVMContext.h:58
Value * CreateFAdd(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:903
This is the shared class of boolean and integer constants.
Definition: Constants.h:84
ResumeInst * CreateResume(Value *Exn)
Definition: IRBuilder.h:828
InsertPoint - A saved insertion point.
Definition: IRBuilder.h:169
#define B
Definition: LargeTest.cpp:24
static CleanupPadInst * Create(Value *ParentPad, ArrayRef< Value *> Args=None, const Twine &NameStr="", Instruction *InsertBefore=nullptr)
static CatchSwitchInst * Create(Value *ParentPad, BasicBlock *UnwindDest, unsigned NumHandlers, const Twine &NameStr="", Instruction *InsertBefore=nullptr)
iterator end()
Definition: BasicBlock.h:254
static SwitchInst * Create(Value *Value, BasicBlock *Default, unsigned NumCases, Instruction *InsertBefore=nullptr)
Value * CreateIsNull(Value *Arg, const Twine &Name="")
Return an i1 value testing if Arg is null.
Definition: IRBuilder.h:1778
unsigned getScalarSizeInBits() const LLVM_READONLY
If this is a vector type, return the getPrimitiveSizeInBits value for the element type...
Definition: Type.cpp:130
InvokeInst * CreateInvoke(Value *Callee, BasicBlock *NormalDest, BasicBlock *UnwindDest, ArrayRef< Value *> Args, ArrayRef< OperandBundleDef > OpBundles, const Twine &Name="")
Definition: IRBuilder.h:820
Value * CreateIntCast(Value *V, Type *DestTy, bool isSigned, const Twine &Name="")
Definition: IRBuilder.h:1507
Value * CreateNUWNeg(Value *V, const Twine &Name="")
Definition: IRBuilder.h:1132
Value * CreateICmpUGE(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:1555
1 1 0 0 True if unordered or less than
Definition: InstrTypes.h:874
Module.h This file contains the declarations for the Module class.
Value * CreateInsertElement(Value *Vec, Value *NewElt, Value *Idx, const Twine &Name="")
Definition: IRBuilder.h:1722
AddressSpace
Definition: NVPTXBaseInfo.h:22
signed less than
Definition: InstrTypes.h:889
IRBuilderBase(LLVMContext &context, MDNode *FPMathTag=nullptr, ArrayRef< OperandBundleDef > OpBundles=None)
Definition: IRBuilder.h:104
Value * CreateFCmpORD(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1601
const size_t N
ConstantInt * getInt32(uint32_t C)
Get a constant 32-bit value.
Definition: IRBuilder.h:308
static CastInst * CreateFPCast(Value *S, Type *Ty, const Twine &Name="", Instruction *InsertBefore=nullptr)
Create an FPExt, BitCast, or FPTrunc for fp -> fp casts.
Value * CreateExtractElement(Value *Vec, uint64_t Idx, const Twine &Name="")
Definition: IRBuilder.h:1717
static IntegerType * getIntNTy(LLVMContext &C, unsigned N)
Definition: Type.cpp:180
Value * CreateFCmpONE(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1597
Value * CreateShuffleVector(Value *V1, Value *V2, Value *Mask, const Twine &Name="")
Definition: IRBuilder.h:1736
static Constant * get(Type *Ty, uint64_t V, bool isSigned=false)
If Ty is a vector type, return a Constant with a splat of the given value.
Definition: Constants.cpp:560
static BranchInst * Create(BasicBlock *IfTrue, Instruction *InsertBefore=nullptr)
static PHINode * Create(Type *Ty, unsigned NumReservedValues, const Twine &NameStr="", Instruction *InsertBefore=nullptr)
Constructors - NumReservedValues is a hint for the number of incoming edges that this phi node will h...
#define NC
Definition: regutils.h:42
Value * CreateConstInBoundsGEP1_64(Value *Ptr, uint64_t Idx0, const Twine &Name="")
Definition: IRBuilder.h:1327
Value * CreateURem(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:987
static ConstantInt * getTrue(LLVMContext &Context)
Definition: Constants.cpp:516
Value handle that asserts if the Value is deleted.
Definition: ValueHandle.h:238
ArrayRef< OperandBundleDef > DefaultOperandBundles
Definition: IRBuilder.h:101
FunctionType * getFunctionType() const
Returns the FunctionType for me.
Definition: Function.h:137
Value * CreateFPCast(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1529
Value * CreateAnd(Value *LHS, uint64_t RHS, const Twine &Name="")
Definition: IRBuilder.h:1075
signed less or equal
Definition: InstrTypes.h:890
Class for arbitrary precision integers.
Definition: APInt.h:69
BasicBlock::iterator getPoint() const
Definition: IRBuilder.h:185
Value * CreateGEP(Value *Ptr, Value *Idx, const Twine &Name="")
Definition: IRBuilder.h:1258
Value * CreateSDiv(Value *LHS, Value *RHS, const Twine &Name="", bool isExact=false)
Definition: IRBuilder.h:967
Value * CreateUDiv(Value *LHS, Value *RHS, const Twine &Name="", bool isExact=false)
Definition: IRBuilder.h:955
Value * CreateNUWMul(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:944
static BinaryOperator * Create(BinaryOps Op, Value *S1, Value *S2, const Twine &Name=Twine(), Instruction *InsertBefore=nullptr)
Construct a binary instruction, given the opcode and the two operands.
Value * CreatePointerBitCastOrAddrSpaceCast(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1493
InstListType::iterator iterator
Instruction iterators...
Definition: BasicBlock.h:91
IntegerType * getInt8Ty()
Fetch the type representing an 8-bit integer.
Definition: IRBuilder.h:338
Value * CreateShl(Value *LHS, Value *RHS, const Twine &Name="", bool HasNUW=false, bool HasNSW=false)
Definition: IRBuilder.h:1008
Value * CreatePointerCast(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1484
Value * CreateConstInBoundsGEP2_64(Value *Ptr, uint64_t Idx0, uint64_t Idx1, const Twine &Name="")
Definition: IRBuilder.h:1348
void clear()
Set all the flags to false.
Definition: Operator.h:186
static CatchPadInst * Create(Value *CatchSwitch, ArrayRef< Value *> Args, const Twine &NameStr="", Instruction *InsertBefore=nullptr)
constexpr char Size[]
Key for Kernel::Arg::Metadata::mSize.
ConstantInt * getFalse()
Get the constant value for i1 false.
Definition: IRBuilder.h:293
MDNode * DefaultFPMathTag
Definition: IRBuilder.h:98
LoadInst * CreateAlignedLoad(Value *Ptr, unsigned Align, const Twine &Name="")
Definition: IRBuilder.h:1187
IntegerType * getInt1Ty()
Fetch the type representing a single bit.
Definition: IRBuilder.h:333
Value * CreateBitOrPointerCast(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1516
SwitchInst * CreateSwitch(Value *V, BasicBlock *Dest, unsigned NumCases=10, MDNode *BranchWeights=nullptr, MDNode *Unpredictable=nullptr)
Create a switch instruction with the specified value, default dest, and with a hint for the number of...
Definition: IRBuilder.h:798
Value * CreateTruncOrBitCast(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1468
static std::vector< std::string > Flags
Definition: FlagsTest.cpp:8
Value * CreateNUWSub(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:922
ReturnInst * CreateRetVoid()
Create a &#39;ret void&#39; instruction.
Definition: IRBuilder.h:745
static CastInst * Create(Instruction::CastOps, Value *S, Type *Ty, const Twine &Name="", Instruction *InsertBefore=nullptr)
Provides a way to construct any of the CastInst subclasses using an opcode instead of the subclass&#39;s ...
Value * CreateFCmpULT(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1621
Value * CreateGEP(Type *Ty, Value *Ptr, Value *Idx, const Twine &Name="")
Definition: IRBuilder.h:1261
Value * CreateGEP(Type *Ty, Value *Ptr, ArrayRef< Value *> IdxList, const Twine &Name="")
Definition: IRBuilder.h:1227
Provides an &#39;InsertHelper&#39; that calls a user-provided callback after performing the default insertion...
Definition: IRBuilder.h:74
iterator insert(iterator where, pointer New)
Definition: ilist.h:241
const DebugLoc & getDebugLoc() const
Return the debug location for this node as a DebugLoc.
Definition: Instruction.h:280
FenceInst * CreateFence(AtomicOrdering Ordering, SyncScope::ID SSID=SyncScope::System, const Twine &Name="")
Definition: IRBuilder.h:1205
CallInst * CreateMemCpy(Value *Dst, Value *Src, uint64_t Size, unsigned Align, bool isVolatile=false, MDNode *TBAATag=nullptr, MDNode *TBAAStructTag=nullptr, MDNode *ScopeTag=nullptr, MDNode *NoAliasTag=nullptr)
Create and insert a memcpy between the specified pointers.
Definition: IRBuilder.h:423
static IntegerType * getInt32Ty(LLVMContext &C)
Definition: Type.cpp:176
Value * CreateXor(Value *LHS, uint64_t RHS, const Twine &Name="")
Definition: IRBuilder.h:1104
static CastInst * CreateTruncOrBitCast(Value *S, Type *Ty, const Twine &Name="", Instruction *InsertBefore=nullptr)
Create a Trunc or BitCast cast instruction.
CatchPadInst * CreateCatchPad(Value *ParentPad, ArrayRef< Value *> Args, const Twine &Name="")
Definition: IRBuilder.h:844
unsigned greater or equal
Definition: InstrTypes.h:884
static InsertValueInst * Create(Value *Agg, Value *Val, ArrayRef< unsigned > Idxs, const Twine &NameStr="", Instruction *InsertBefore=nullptr)
CleanupReturnInst * CreateCleanupRet(CleanupPadInst *CleanupPad, BasicBlock *UnwindBB=nullptr)
Definition: IRBuilder.h:832
const NodeList & List
Definition: RDFGraph.cpp:205
#define I(x, y, z)
Definition: MD5.cpp:58
Value * CreateInBoundsGEP(Type *Ty, Value *Ptr, ArrayRef< Value *> IdxList, const Twine &Name="")
Definition: IRBuilder.h:1244
constexpr char Align[]
Key for Kernel::Arg::Metadata::mAlign.
0 1 1 0 True if ordered and operands are unequal
Definition: InstrTypes.h:868
Value * CreateConstInBoundsGEP2_32(Type *Ty, Value *Ptr, unsigned Idx0, unsigned Idx1, const Twine &Name="")
Definition: IRBuilder.h:1307
Value * CreateFPToSI(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1420
Type * getValueType() const
Definition: GlobalValue.h:262
void setDefaultFPMathTag(MDNode *FPMathTag)
Set the floating point math metadata to be used.
Definition: IRBuilder.h:218
static BinaryOperator * CreateNeg(Value *S1, const Twine &Name, Instruction *InsertBefore, Value *FlagsOp)
static volatile int Zero
Type * getFloatTy()
Fetch the type representing a 32-bit floating point value.
Definition: IRBuilder.h:371
1 0 1 0 True if unordered or greater than
Definition: InstrTypes.h:872
void InsertHelper(Instruction *I, const Twine &Name, BasicBlock *BB, BasicBlock::iterator InsertPt) const
Definition: IRBuilder.h:82
LandingPadInst * CreateLandingPad(Type *Ty, unsigned NumClauses, const Twine &Name="")
Definition: IRBuilder.h:1768
Value * CreateAnd(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:1063
Value * CreatePtrToInt(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1436
InstTy * Insert(InstTy *I, const Twine &Name="") const
Insert and return the specified instruction.
Definition: IRBuilder.h:715
void setHasNoUnsignedWrap(bool b=true)
Set or clear the nsw flag on this instruction, which must be an operator which supports this flag...
Definition: Instruction.cpp:98
Multiway switch.
Value * CreateCast(Instruction::CastOps Op, Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1476
static CastInst * CreateSExtOrBitCast(Value *S, Type *Ty, const Twine &Name="", Instruction *InsertBefore=nullptr)
Create a SExt or BitCast cast instruction.
static GetElementPtrInst * CreateInBounds(Value *Ptr, ArrayRef< Value *> IdxList, const Twine &NameStr="", Instruction *InsertBefore=nullptr)
Create an "inbounds" getelementptr.
Definition: Instructions.h:897
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
Value * CreateAnd(Value *LHS, const APInt &RHS, const Twine &Name="")
Definition: IRBuilder.h:1072
ReturnInst * CreateAggregateRet(Value *const *retVals, unsigned N)
Create a sequence of N insertvalue instructions, with one Value from the retVals array each...
Definition: IRBuilder.h:761
LoadInst * CreateAlignedLoad(Value *Ptr, unsigned Align, const char *Name)
Definition: IRBuilder.h:1182
static CatchReturnInst * Create(Value *CatchPad, BasicBlock *BB, Instruction *InsertBefore=nullptr)
0 0 0 1 True if ordered and equal
Definition: InstrTypes.h:863
LLVM Value Representation.
Definition: Value.h:73
void setAlignment(unsigned Align)
1 0 1 1 True if unordered, greater than, or equal
Definition: InstrTypes.h:873
uint64_t getTypeStoreSize(Type *Ty) const
Returns the maximum number of bytes that may be overwritten by storing the specified type...
Definition: DataLayout.h:388
BranchInst * CreateCondBr(Value *Cond, BasicBlock *True, BasicBlock *False, Instruction *MDSrc)
Create a conditional &#39;br Cond, TrueDest, FalseDest&#39; instruction.
Definition: IRBuilder.h:784
BranchInst * CreateBr(BasicBlock *Dest)
Create an unconditional &#39;br label X&#39; instruction.
Definition: IRBuilder.h:769
static VectorType * get(Type *ElementType, unsigned NumElements)
This static method is the primary way to construct an VectorType.
Definition: Type.cpp:593
void copyMetadata(const Instruction &SrcInst, ArrayRef< unsigned > WL=ArrayRef< unsigned >())
Copy metadata from SrcInst to this instruction.
static CleanupReturnInst * Create(Value *CleanupPad, BasicBlock *UnwindBB=nullptr, Instruction *InsertBefore=nullptr)
std::underlying_type< E >::type Mask()
Get a bitmask with 1s in all places up to the high-order bit of E&#39;s largest value.
Definition: BitmaskEnum.h:81
void InsertHelper(Instruction *I, const Twine &Name, BasicBlock *BB, BasicBlock::iterator InsertPt) const
Definition: IRBuilder.h:65
void setFastMathFlags(FastMathFlags NewFMF)
Set the fast-math flags to be used with generated fp-math operators.
Definition: IRBuilder.h:221
BasicBlock::iterator GetInsertPoint() const
Definition: IRBuilder.h:123
Value * CreateLShr(Value *LHS, Value *RHS, const Twine &Name="", bool isExact=false)
Definition: IRBuilder.h:1027
Value * CreateStructGEP(Type *Ty, Value *Ptr, unsigned Idx, const Twine &Name="")
Definition: IRBuilder.h:1361
Invoke instruction.
Value * CreateFDiv(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:979
ConstantInt * getInt8(uint8_t C)
Get a constant 8-bit value.
Definition: IRBuilder.h:298
print Print MemDeps of function
Convenience struct for specifying and reasoning about fast-math flags.
Definition: Operator.h:160
unsigned greater than
Definition: InstrTypes.h:883
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:49
Value * CreateNSWSub(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:919
static bool isVolatile(Instruction *Inst)
int * Ptr
IRBuilder(BasicBlock *TheBB, BasicBlock::iterator IP, MDNode *FPMathTag=nullptr, ArrayRef< OperandBundleDef > OpBundles=None)
Definition: IRBuilder.h:703
Value * CreateInsertValue(Value *Agg, Value *Val, ArrayRef< unsigned > Idxs, const Twine &Name="")
Definition: IRBuilder.h:1759
bool isBigEndian() const
Definition: DataLayout.h:217
static Constant * get(LLVMContext &Context, ArrayRef< uint8_t > Elts)
get() constructors - Return a constant with vector type with an element count and element type matchi...
Definition: Constants.cpp:2467
CallInst * CreateElementUnorderedAtomicMemCpy(Value *Dst, Value *Src, uint64_t Size, uint32_t ElementSize, MDNode *TBAATag=nullptr, MDNode *TBAAStructTag=nullptr, MDNode *ScopeTag=nullptr, MDNode *NoAliasTag=nullptr)
Create and insert an element unordered-atomic memcpy between the specified pointers.
Definition: IRBuilder.h:444
static ExtractElementInst * Create(Value *Vec, Value *Idx, const Twine &NameStr="", Instruction *InsertBefore=nullptr)
IRBuilder(LLVMContext &C, const T &F, Inserter I=Inserter(), MDNode *FPMathTag=nullptr, ArrayRef< OperandBundleDef > OpBundles=None)
Definition: IRBuilder.h:668
ConstantInt * getInt(const APInt &AI)
Get a constant integer value.
Definition: IRBuilder.h:324
static BinaryOperator * CreateMul(Value *S1, Value *S2, const Twine &Name, Instruction *InsertBefore, Value *FlagsOp)
Value * CreateFMul(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:947
BasicBlock * getBlock() const
Definition: IRBuilder.h:184
InvokeInst * CreateInvoke(Value *Callee, BasicBlock *NormalDest, BasicBlock *UnwindDest, ArrayRef< Value *> Args=None, const Twine &Name="")
Create an invoke instruction.
Definition: IRBuilder.h:813
0 0 1 1 True if ordered and greater than or equal
Definition: InstrTypes.h:865
Value * CreateICmpSLE(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:1573
static IntegerType * getInt8Ty(LLVMContext &C)
Definition: Type.cpp:174
BasicBlock::iterator InsertPt
Definition: IRBuilder.h:95
Value * CreateFNeg(Value *V, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1135
Type * getElementType() const
Definition: DerivedTypes.h:486
LLVM_READONLY APFloat minnum(const APFloat &A, const APFloat &B)
Implements IEEE minNum semantics.
Definition: APFloat.h:1212
Value * CreateOr(Value *LHS, const APInt &RHS, const Twine &Name="")
Definition: IRBuilder.h:1088
signed greater or equal
Definition: InstrTypes.h:888
const BasicBlock * getParent() const
Definition: Instruction.h:66
an instruction to allocate memory on the stack
Definition: Instructions.h:60
Value * CreateFCmpULE(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1625
CallInst * CreateCall(Value *Callee, ArrayRef< Value *> Args=None, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1659