1 //===---- llvm/Support/IRBuilder.h - Builder for LLVM Instrs ----*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
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.
13 //===----------------------------------------------------------------------===//
15 #ifndef LLVM_SUPPORT_IRBUILDER_H
16 #define LLVM_SUPPORT_IRBUILDER_H
18 #include "llvm/Instructions.h"
19 #include "llvm/BasicBlock.h"
20 #include "llvm/ADT/Twine.h"
21 #include "llvm/Support/ConstantFolder.h"
26 /// IRBuilderDefaultInserter - This provides the default implementation of the
27 /// IRBuilder 'InsertHelper' method that is called whenever an instruction is
28 /// created by IRBuilder and needs to be inserted. By default, this inserts the
29 /// instruction at the insertion point.
30 template <bool preserveNames = true>
31 class IRBuilderDefaultInserter {
33 void InsertHelper(Instruction *I, const Twine &Name,
34 BasicBlock *BB, BasicBlock::iterator InsertPt) const {
35 if (BB) BB->getInstList().insert(InsertPt, I);
41 /// IRBuilderBase - Common base class shared among various IRBuilders.
43 DebugLoc CurDbgLocation;
46 BasicBlock::iterator InsertPt;
50 IRBuilderBase(LLVMContext &context)
52 ClearInsertionPoint();
55 //===--------------------------------------------------------------------===//
56 // Builder configuration methods
57 //===--------------------------------------------------------------------===//
59 /// ClearInsertionPoint - Clear the insertion point: created instructions will
60 /// not be inserted into a block.
61 void ClearInsertionPoint() {
65 BasicBlock *GetInsertBlock() const { return BB; }
66 BasicBlock::iterator GetInsertPoint() const { return InsertPt; }
67 LLVMContext &getContext() const { return Context; }
69 /// SetInsertPoint - This specifies that created instructions should be
70 /// appended to the end of the specified block.
71 void SetInsertPoint(BasicBlock *TheBB) {
76 /// SetInsertPoint - This specifies that created instructions should be
77 /// inserted at the specified point.
78 void SetInsertPoint(BasicBlock *TheBB, BasicBlock::iterator IP) {
83 /// SetCurrentDebugLocation - Set location information used by debugging
85 void SetCurrentDebugLocation(const DebugLoc &L) {
89 /// getCurrentDebugLocation - Get location information used by debugging
91 const DebugLoc &getCurrentDebugLocation() const { return CurDbgLocation; }
93 /// SetInstDebugLocation - If this builder has a current debug location, set
94 /// it on the specified instruction.
95 void SetInstDebugLocation(Instruction *I) const {
96 if (!CurDbgLocation.isUnknown())
97 I->setDebugLoc(CurDbgLocation);
100 /// InsertPoint - A saved insertion point.
103 BasicBlock::iterator Point;
106 /// Creates a new insertion point which doesn't point to anything.
107 InsertPoint() : Block(0) {}
109 /// Creates a new insertion point at the given location.
110 InsertPoint(BasicBlock *InsertBlock, BasicBlock::iterator InsertPoint)
111 : Block(InsertBlock), Point(InsertPoint) {}
113 /// isSet - Returns true if this insert point is set.
114 bool isSet() const { return (Block != 0); }
116 llvm::BasicBlock *getBlock() const { return Block; }
117 llvm::BasicBlock::iterator getPoint() const { return Point; }
120 /// saveIP - Returns the current insert point.
121 InsertPoint saveIP() const {
122 return InsertPoint(GetInsertBlock(), GetInsertPoint());
125 /// saveAndClearIP - Returns the current insert point, clearing it
127 InsertPoint saveAndClearIP() {
128 InsertPoint IP(GetInsertBlock(), GetInsertPoint());
129 ClearInsertionPoint();
133 /// restoreIP - Sets the current insert point to a previously-saved
135 void restoreIP(InsertPoint IP) {
137 SetInsertPoint(IP.getBlock(), IP.getPoint());
139 ClearInsertionPoint();
142 //===--------------------------------------------------------------------===//
143 // Miscellaneous creation methods.
144 //===--------------------------------------------------------------------===//
146 /// CreateGlobalString - Make a new global variable with an initializer that
147 /// has array of i8 type filled in with the nul terminated string value
148 /// specified. If Name is specified, it is the name of the global variable
150 Value *CreateGlobalString(const char *Str = "", const Twine &Name = "");
152 /// getInt1 - Get a constant value representing either true or false.
153 ConstantInt *getInt1(bool V) {
154 return ConstantInt::get(getInt1Ty(), V);
157 /// getTrue - Get the constant value for i1 true.
158 ConstantInt *getTrue() {
159 return ConstantInt::getTrue(Context);
162 /// getFalse - Get the constant value for i1 false.
163 ConstantInt *getFalse() {
164 return ConstantInt::getFalse(Context);
167 /// getInt8 - Get a constant 8-bit value.
168 ConstantInt *getInt8(uint8_t C) {
169 return ConstantInt::get(getInt8Ty(), C);
172 /// getInt16 - Get a constant 16-bit value.
173 ConstantInt *getInt16(uint16_t C) {
174 return ConstantInt::get(getInt16Ty(), C);
177 /// getInt32 - Get a constant 32-bit value.
178 ConstantInt *getInt32(uint32_t C) {
179 return ConstantInt::get(getInt32Ty(), C);
182 /// getInt64 - Get a constant 64-bit value.
183 ConstantInt *getInt64(uint64_t C) {
184 return ConstantInt::get(getInt64Ty(), C);
187 //===--------------------------------------------------------------------===//
188 // Type creation methods
189 //===--------------------------------------------------------------------===//
191 /// getInt1Ty - Fetch the type representing a single bit
192 const IntegerType *getInt1Ty() {
193 return Type::getInt1Ty(Context);
196 /// getInt8Ty - Fetch the type representing an 8-bit integer.
197 const IntegerType *getInt8Ty() {
198 return Type::getInt8Ty(Context);
201 /// getInt16Ty - Fetch the type representing a 16-bit integer.
202 const IntegerType *getInt16Ty() {
203 return Type::getInt16Ty(Context);
206 /// getInt32Ty - Fetch the type resepresenting a 32-bit integer.
207 const IntegerType *getInt32Ty() {
208 return Type::getInt32Ty(Context);
211 /// getInt64Ty - Fetch the type representing a 64-bit integer.
212 const IntegerType *getInt64Ty() {
213 return Type::getInt64Ty(Context);
216 /// getFloatTy - Fetch the type representing a 32-bit floating point value.
217 const Type *getFloatTy() {
218 return Type::getFloatTy(Context);
221 /// getDoubleTy - Fetch the type representing a 64-bit floating point value.
222 const Type *getDoubleTy() {
223 return Type::getDoubleTy(Context);
226 /// getVoidTy - Fetch the type representing void.
227 const Type *getVoidTy() {
228 return Type::getVoidTy(Context);
231 const PointerType *getInt8PtrTy() {
232 return Type::getInt8PtrTy(Context);
235 /// getCurrentFunctionReturnType - Get the return type of the current function
236 /// that we're emitting into.
237 const Type *getCurrentFunctionReturnType() const;
240 /// IRBuilder - This provides a uniform API for creating instructions and
241 /// inserting them into a basic block: either at the end of a BasicBlock, or
242 /// at a specific iterator location in a block.
244 /// Note that the builder does not expose the full generality of LLVM
245 /// instructions. For access to extra instruction properties, use the mutators
246 /// (e.g. setVolatile) on the instructions after they have been created.
247 /// The first template argument handles whether or not to preserve names in the
248 /// final instruction output. This defaults to on. The second template argument
249 /// specifies a class to use for creating constants. This defaults to creating
250 /// minimally folded constants. The fourth template argument allows clients to
251 /// specify custom insertion hooks that are called on every newly created
253 template<bool preserveNames = true, typename T = ConstantFolder,
254 typename Inserter = IRBuilderDefaultInserter<preserveNames> >
255 class IRBuilder : public IRBuilderBase, public Inserter {
258 IRBuilder(LLVMContext &C, const T &F, const Inserter &I = Inserter())
259 : IRBuilderBase(C), Inserter(I), Folder(F) {
262 explicit IRBuilder(LLVMContext &C) : IRBuilderBase(C), Folder(C) {
265 explicit IRBuilder(BasicBlock *TheBB, const T &F)
266 : IRBuilderBase(TheBB->getContext()), Folder(F) {
267 SetInsertPoint(TheBB);
270 explicit IRBuilder(BasicBlock *TheBB)
271 : IRBuilderBase(TheBB->getContext()), Folder(Context) {
272 SetInsertPoint(TheBB);
275 IRBuilder(BasicBlock *TheBB, BasicBlock::iterator IP, const T& F)
276 : IRBuilderBase(TheBB->getContext()), Folder(F) {
277 SetInsertPoint(TheBB, IP);
280 IRBuilder(BasicBlock *TheBB, BasicBlock::iterator IP)
281 : IRBuilderBase(TheBB->getContext()), Folder(Context) {
282 SetInsertPoint(TheBB, IP);
285 /// getFolder - Get the constant folder being used.
286 const T &getFolder() { return Folder; }
288 /// isNamePreserving - Return true if this builder is configured to actually
289 /// add the requested names to IR created through it.
290 bool isNamePreserving() const { return preserveNames; }
292 /// Insert - Insert and return the specified instruction.
293 template<typename InstTy>
294 InstTy *Insert(InstTy *I, const Twine &Name = "") const {
295 this->InsertHelper(I, Name, BB, InsertPt);
296 if (!getCurrentDebugLocation().isUnknown())
297 this->SetInstDebugLocation(I);
301 //===--------------------------------------------------------------------===//
302 // Instruction creation methods: Terminators
303 //===--------------------------------------------------------------------===//
305 /// CreateRetVoid - Create a 'ret void' instruction.
306 ReturnInst *CreateRetVoid() {
307 return Insert(ReturnInst::Create(Context));
311 /// CreateRet - Create a 'ret <val>' instruction.
313 ReturnInst *CreateRet(Value *V) {
314 return Insert(ReturnInst::Create(Context, V));
317 /// CreateAggregateRet - Create a sequence of N insertvalue instructions,
318 /// with one Value from the retVals array each, that build a aggregate
319 /// return value one value at a time, and a ret instruction to return
320 /// the resulting aggregate value. This is a convenience function for
321 /// code that uses aggregate return values as a vehicle for having
322 /// multiple return values.
324 ReturnInst *CreateAggregateRet(Value *const *retVals, unsigned N) {
325 Value *V = UndefValue::get(getCurrentFunctionReturnType());
326 for (unsigned i = 0; i != N; ++i)
327 V = CreateInsertValue(V, retVals[i], i, "mrv");
328 return Insert(ReturnInst::Create(Context, V));
331 /// CreateBr - Create an unconditional 'br label X' instruction.
332 BranchInst *CreateBr(BasicBlock *Dest) {
333 return Insert(BranchInst::Create(Dest));
336 /// CreateCondBr - Create a conditional 'br Cond, TrueDest, FalseDest'
338 BranchInst *CreateCondBr(Value *Cond, BasicBlock *True, BasicBlock *False) {
339 return Insert(BranchInst::Create(True, False, Cond));
342 /// CreateSwitch - Create a switch instruction with the specified value,
343 /// default dest, and with a hint for the number of cases that will be added
344 /// (for efficient allocation).
345 SwitchInst *CreateSwitch(Value *V, BasicBlock *Dest, unsigned NumCases = 10) {
346 return Insert(SwitchInst::Create(V, Dest, NumCases));
349 /// CreateIndirectBr - Create an indirect branch instruction with the
350 /// specified address operand, with an optional hint for the number of
351 /// destinations that will be added (for efficient allocation).
352 IndirectBrInst *CreateIndirectBr(Value *Addr, unsigned NumDests = 10) {
353 return Insert(IndirectBrInst::Create(Addr, NumDests));
356 InvokeInst *CreateInvoke(Value *Callee, BasicBlock *NormalDest,
357 BasicBlock *UnwindDest, const Twine &Name = "") {
358 Value *Args[] = { 0 };
359 return Insert(InvokeInst::Create(Callee, NormalDest, UnwindDest, Args,
362 InvokeInst *CreateInvoke(Value *Callee, BasicBlock *NormalDest,
363 BasicBlock *UnwindDest, Value *Arg1,
364 const Twine &Name = "") {
365 Value *Args[] = { Arg1 };
366 return Insert(InvokeInst::Create(Callee, NormalDest, UnwindDest, Args,
369 InvokeInst *CreateInvoke3(Value *Callee, BasicBlock *NormalDest,
370 BasicBlock *UnwindDest, Value *Arg1,
371 Value *Arg2, Value *Arg3,
372 const Twine &Name = "") {
373 Value *Args[] = { Arg1, Arg2, Arg3 };
374 return Insert(InvokeInst::Create(Callee, NormalDest, UnwindDest, Args,
377 /// CreateInvoke - Create an invoke instruction.
378 template<typename RandomAccessIterator>
379 InvokeInst *CreateInvoke(Value *Callee, BasicBlock *NormalDest,
380 BasicBlock *UnwindDest,
381 RandomAccessIterator ArgBegin,
382 RandomAccessIterator ArgEnd,
383 const Twine &Name = "") {
384 return Insert(InvokeInst::Create(Callee, NormalDest, UnwindDest,
385 ArgBegin, ArgEnd), Name);
388 UnwindInst *CreateUnwind() {
389 return Insert(new UnwindInst(Context));
392 UnreachableInst *CreateUnreachable() {
393 return Insert(new UnreachableInst(Context));
396 //===--------------------------------------------------------------------===//
397 // Instruction creation methods: Binary Operators
398 //===--------------------------------------------------------------------===//
400 Value *CreateAdd(Value *LHS, Value *RHS, const Twine &Name = "") {
401 if (Constant *LC = dyn_cast<Constant>(LHS))
402 if (Constant *RC = dyn_cast<Constant>(RHS))
403 return Folder.CreateAdd(LC, RC);
404 return Insert(BinaryOperator::CreateAdd(LHS, RHS), Name);
406 Value *CreateNSWAdd(Value *LHS, Value *RHS, const Twine &Name = "") {
407 if (Constant *LC = dyn_cast<Constant>(LHS))
408 if (Constant *RC = dyn_cast<Constant>(RHS))
409 return Folder.CreateNSWAdd(LC, RC);
410 return Insert(BinaryOperator::CreateNSWAdd(LHS, RHS), Name);
412 Value *CreateNUWAdd(Value *LHS, Value *RHS, const Twine &Name = "") {
413 if (Constant *LC = dyn_cast<Constant>(LHS))
414 if (Constant *RC = dyn_cast<Constant>(RHS))
415 return Folder.CreateNUWAdd(LC, RC);
416 return Insert(BinaryOperator::CreateNUWAdd(LHS, RHS), Name);
418 Value *CreateFAdd(Value *LHS, Value *RHS, const Twine &Name = "") {
419 if (Constant *LC = dyn_cast<Constant>(LHS))
420 if (Constant *RC = dyn_cast<Constant>(RHS))
421 return Folder.CreateFAdd(LC, RC);
422 return Insert(BinaryOperator::CreateFAdd(LHS, RHS), Name);
424 Value *CreateSub(Value *LHS, Value *RHS, const Twine &Name = "") {
425 if (Constant *LC = dyn_cast<Constant>(LHS))
426 if (Constant *RC = dyn_cast<Constant>(RHS))
427 return Folder.CreateSub(LC, RC);
428 return Insert(BinaryOperator::CreateSub(LHS, RHS), Name);
430 Value *CreateNSWSub(Value *LHS, Value *RHS, const Twine &Name = "") {
431 if (Constant *LC = dyn_cast<Constant>(LHS))
432 if (Constant *RC = dyn_cast<Constant>(RHS))
433 return Folder.CreateNSWSub(LC, RC);
434 return Insert(BinaryOperator::CreateNSWSub(LHS, RHS), Name);
436 Value *CreateNUWSub(Value *LHS, Value *RHS, const Twine &Name = "") {
437 if (Constant *LC = dyn_cast<Constant>(LHS))
438 if (Constant *RC = dyn_cast<Constant>(RHS))
439 return Folder.CreateNUWSub(LC, RC);
440 return Insert(BinaryOperator::CreateNUWSub(LHS, RHS), Name);
442 Value *CreateFSub(Value *LHS, Value *RHS, const Twine &Name = "") {
443 if (Constant *LC = dyn_cast<Constant>(LHS))
444 if (Constant *RC = dyn_cast<Constant>(RHS))
445 return Folder.CreateFSub(LC, RC);
446 return Insert(BinaryOperator::CreateFSub(LHS, RHS), Name);
448 Value *CreateMul(Value *LHS, Value *RHS, const Twine &Name = "") {
449 if (Constant *LC = dyn_cast<Constant>(LHS))
450 if (Constant *RC = dyn_cast<Constant>(RHS))
451 return Folder.CreateMul(LC, RC);
452 return Insert(BinaryOperator::CreateMul(LHS, RHS), Name);
454 Value *CreateNSWMul(Value *LHS, Value *RHS, const Twine &Name = "") {
455 if (Constant *LC = dyn_cast<Constant>(LHS))
456 if (Constant *RC = dyn_cast<Constant>(RHS))
457 return Folder.CreateNSWMul(LC, RC);
458 return Insert(BinaryOperator::CreateNSWMul(LHS, RHS), Name);
460 Value *CreateNUWMul(Value *LHS, Value *RHS, const Twine &Name = "") {
461 if (Constant *LC = dyn_cast<Constant>(LHS))
462 if (Constant *RC = dyn_cast<Constant>(RHS))
463 return Folder.CreateNUWMul(LC, RC);
464 return Insert(BinaryOperator::CreateNUWMul(LHS, RHS), Name);
466 Value *CreateFMul(Value *LHS, Value *RHS, const Twine &Name = "") {
467 if (Constant *LC = dyn_cast<Constant>(LHS))
468 if (Constant *RC = dyn_cast<Constant>(RHS))
469 return Folder.CreateFMul(LC, RC);
470 return Insert(BinaryOperator::CreateFMul(LHS, RHS), Name);
472 Value *CreateUDiv(Value *LHS, Value *RHS, const Twine &Name = "") {
473 if (Constant *LC = dyn_cast<Constant>(LHS))
474 if (Constant *RC = dyn_cast<Constant>(RHS))
475 return Folder.CreateUDiv(LC, RC);
476 return Insert(BinaryOperator::CreateUDiv(LHS, RHS), Name);
478 Value *CreateSDiv(Value *LHS, Value *RHS, const Twine &Name = "") {
479 if (Constant *LC = dyn_cast<Constant>(LHS))
480 if (Constant *RC = dyn_cast<Constant>(RHS))
481 return Folder.CreateSDiv(LC, RC);
482 return Insert(BinaryOperator::CreateSDiv(LHS, RHS), Name);
484 Value *CreateExactSDiv(Value *LHS, Value *RHS, const Twine &Name = "") {
485 if (Constant *LC = dyn_cast<Constant>(LHS))
486 if (Constant *RC = dyn_cast<Constant>(RHS))
487 return Folder.CreateExactSDiv(LC, RC);
488 return Insert(BinaryOperator::CreateExactSDiv(LHS, RHS), Name);
490 Value *CreateFDiv(Value *LHS, Value *RHS, const Twine &Name = "") {
491 if (Constant *LC = dyn_cast<Constant>(LHS))
492 if (Constant *RC = dyn_cast<Constant>(RHS))
493 return Folder.CreateFDiv(LC, RC);
494 return Insert(BinaryOperator::CreateFDiv(LHS, RHS), Name);
496 Value *CreateURem(Value *LHS, Value *RHS, const Twine &Name = "") {
497 if (Constant *LC = dyn_cast<Constant>(LHS))
498 if (Constant *RC = dyn_cast<Constant>(RHS))
499 return Folder.CreateURem(LC, RC);
500 return Insert(BinaryOperator::CreateURem(LHS, RHS), Name);
502 Value *CreateSRem(Value *LHS, Value *RHS, const Twine &Name = "") {
503 if (Constant *LC = dyn_cast<Constant>(LHS))
504 if (Constant *RC = dyn_cast<Constant>(RHS))
505 return Folder.CreateSRem(LC, RC);
506 return Insert(BinaryOperator::CreateSRem(LHS, RHS), Name);
508 Value *CreateFRem(Value *LHS, Value *RHS, const Twine &Name = "") {
509 if (Constant *LC = dyn_cast<Constant>(LHS))
510 if (Constant *RC = dyn_cast<Constant>(RHS))
511 return Folder.CreateFRem(LC, RC);
512 return Insert(BinaryOperator::CreateFRem(LHS, RHS), Name);
515 Value *CreateShl(Value *LHS, Value *RHS, const Twine &Name = "") {
516 if (Constant *LC = dyn_cast<Constant>(LHS))
517 if (Constant *RC = dyn_cast<Constant>(RHS))
518 return Folder.CreateShl(LC, RC);
519 return Insert(BinaryOperator::CreateShl(LHS, RHS), Name);
521 Value *CreateShl(Value *LHS, const APInt &RHS, const Twine &Name = "") {
522 Constant *RHSC = ConstantInt::get(LHS->getType(), RHS);
523 if (Constant *LC = dyn_cast<Constant>(LHS))
524 return Folder.CreateShl(LC, RHSC);
525 return Insert(BinaryOperator::CreateShl(LHS, RHSC), Name);
527 Value *CreateShl(Value *LHS, uint64_t RHS, const Twine &Name = "") {
528 Constant *RHSC = ConstantInt::get(LHS->getType(), RHS);
529 if (Constant *LC = dyn_cast<Constant>(LHS))
530 return Folder.CreateShl(LC, RHSC);
531 return Insert(BinaryOperator::CreateShl(LHS, RHSC), Name);
534 Value *CreateLShr(Value *LHS, Value *RHS, const Twine &Name = "") {
535 if (Constant *LC = dyn_cast<Constant>(LHS))
536 if (Constant *RC = dyn_cast<Constant>(RHS))
537 return Folder.CreateLShr(LC, RC);
538 return Insert(BinaryOperator::CreateLShr(LHS, RHS), Name);
540 Value *CreateLShr(Value *LHS, const APInt &RHS, const Twine &Name = "") {
541 Constant *RHSC = ConstantInt::get(LHS->getType(), RHS);
542 if (Constant *LC = dyn_cast<Constant>(LHS))
543 return Folder.CreateLShr(LC, RHSC);
544 return Insert(BinaryOperator::CreateLShr(LHS, RHSC), Name);
546 Value *CreateLShr(Value *LHS, uint64_t RHS, const Twine &Name = "") {
547 Constant *RHSC = ConstantInt::get(LHS->getType(), RHS);
548 if (Constant *LC = dyn_cast<Constant>(LHS))
549 return Folder.CreateLShr(LC, RHSC);
550 return Insert(BinaryOperator::CreateLShr(LHS, RHSC), Name);
553 Value *CreateAShr(Value *LHS, Value *RHS, const Twine &Name = "") {
554 if (Constant *LC = dyn_cast<Constant>(LHS))
555 if (Constant *RC = dyn_cast<Constant>(RHS))
556 return Folder.CreateAShr(LC, RC);
557 return Insert(BinaryOperator::CreateAShr(LHS, RHS), Name);
559 Value *CreateAShr(Value *LHS, const APInt &RHS, const Twine &Name = "") {
560 Constant *RHSC = ConstantInt::get(LHS->getType(), RHS);
561 if (Constant *LC = dyn_cast<Constant>(LHS))
562 return Folder.CreateAShr(LC, RHSC);
563 return Insert(BinaryOperator::CreateAShr(LHS, RHSC), Name);
565 Value *CreateAShr(Value *LHS, uint64_t RHS, const Twine &Name = "") {
566 Constant *RHSC = ConstantInt::get(LHS->getType(), RHS);
567 if (Constant *LC = dyn_cast<Constant>(LHS))
568 return Folder.CreateAShr(LC, RHSC);
569 return Insert(BinaryOperator::CreateAShr(LHS, RHSC), Name);
572 Value *CreateAnd(Value *LHS, Value *RHS, const Twine &Name = "") {
573 if (Constant *RC = dyn_cast<Constant>(RHS)) {
574 if (isa<ConstantInt>(RC) && cast<ConstantInt>(RC)->isAllOnesValue())
575 return LHS; // LHS & -1 -> LHS
576 if (Constant *LC = dyn_cast<Constant>(LHS))
577 return Folder.CreateAnd(LC, RC);
579 return Insert(BinaryOperator::CreateAnd(LHS, RHS), Name);
581 Value *CreateAnd(Value *LHS, const APInt &RHS, const Twine &Name = "") {
582 Constant *RHSC = ConstantInt::get(LHS->getType(), RHS);
583 if (Constant *LC = dyn_cast<Constant>(LHS))
584 return Folder.CreateAnd(LC, RHSC);
585 return Insert(BinaryOperator::CreateAnd(LHS, RHSC), Name);
587 Value *CreateAnd(Value *LHS, uint64_t RHS, const Twine &Name = "") {
588 Constant *RHSC = ConstantInt::get(LHS->getType(), RHS);
589 if (Constant *LC = dyn_cast<Constant>(LHS))
590 return Folder.CreateAnd(LC, RHSC);
591 return Insert(BinaryOperator::CreateAnd(LHS, RHSC), Name);
594 Value *CreateOr(Value *LHS, Value *RHS, const Twine &Name = "") {
595 if (Constant *RC = dyn_cast<Constant>(RHS)) {
596 if (RC->isNullValue())
597 return LHS; // LHS | 0 -> LHS
598 if (Constant *LC = dyn_cast<Constant>(LHS))
599 return Folder.CreateOr(LC, RC);
601 return Insert(BinaryOperator::CreateOr(LHS, RHS), Name);
603 Value *CreateOr(Value *LHS, const APInt &RHS, const Twine &Name = "") {
604 Constant *RHSC = ConstantInt::get(LHS->getType(), RHS);
605 if (Constant *LC = dyn_cast<Constant>(LHS))
606 return Folder.CreateOr(LC, RHSC);
607 return Insert(BinaryOperator::CreateOr(LHS, RHSC), Name);
609 Value *CreateOr(Value *LHS, uint64_t RHS, const Twine &Name = "") {
610 Constant *RHSC = ConstantInt::get(LHS->getType(), RHS);
611 if (Constant *LC = dyn_cast<Constant>(LHS))
612 return Folder.CreateOr(LC, RHSC);
613 return Insert(BinaryOperator::CreateOr(LHS, RHSC), Name);
616 Value *CreateXor(Value *LHS, Value *RHS, const Twine &Name = "") {
617 if (Constant *LC = dyn_cast<Constant>(LHS))
618 if (Constant *RC = dyn_cast<Constant>(RHS))
619 return Folder.CreateXor(LC, RC);
620 return Insert(BinaryOperator::CreateXor(LHS, RHS), Name);
622 Value *CreateXor(Value *LHS, const APInt &RHS, const Twine &Name = "") {
623 Constant *RHSC = ConstantInt::get(LHS->getType(), RHS);
624 if (Constant *LC = dyn_cast<Constant>(LHS))
625 return Folder.CreateXor(LC, RHSC);
626 return Insert(BinaryOperator::CreateXor(LHS, RHSC), Name);
628 Value *CreateXor(Value *LHS, uint64_t RHS, const Twine &Name = "") {
629 Constant *RHSC = ConstantInt::get(LHS->getType(), RHS);
630 if (Constant *LC = dyn_cast<Constant>(LHS))
631 return Folder.CreateXor(LC, RHSC);
632 return Insert(BinaryOperator::CreateXor(LHS, RHSC), Name);
635 Value *CreateBinOp(Instruction::BinaryOps Opc,
636 Value *LHS, Value *RHS, const Twine &Name = "") {
637 if (Constant *LC = dyn_cast<Constant>(LHS))
638 if (Constant *RC = dyn_cast<Constant>(RHS))
639 return Folder.CreateBinOp(Opc, LC, RC);
640 return Insert(BinaryOperator::Create(Opc, LHS, RHS), Name);
643 Value *CreateNeg(Value *V, const Twine &Name = "") {
644 if (Constant *VC = dyn_cast<Constant>(V))
645 return Folder.CreateNeg(VC);
646 return Insert(BinaryOperator::CreateNeg(V), Name);
648 Value *CreateNSWNeg(Value *V, const Twine &Name = "") {
649 if (Constant *VC = dyn_cast<Constant>(V))
650 return Folder.CreateNSWNeg(VC);
651 return Insert(BinaryOperator::CreateNSWNeg(V), Name);
653 Value *CreateNUWNeg(Value *V, const Twine &Name = "") {
654 if (Constant *VC = dyn_cast<Constant>(V))
655 return Folder.CreateNUWNeg(VC);
656 return Insert(BinaryOperator::CreateNUWNeg(V), Name);
658 Value *CreateFNeg(Value *V, const Twine &Name = "") {
659 if (Constant *VC = dyn_cast<Constant>(V))
660 return Folder.CreateFNeg(VC);
661 return Insert(BinaryOperator::CreateFNeg(V), Name);
663 Value *CreateNot(Value *V, const Twine &Name = "") {
664 if (Constant *VC = dyn_cast<Constant>(V))
665 return Folder.CreateNot(VC);
666 return Insert(BinaryOperator::CreateNot(V), Name);
669 //===--------------------------------------------------------------------===//
670 // Instruction creation methods: Memory Instructions
671 //===--------------------------------------------------------------------===//
673 AllocaInst *CreateAlloca(const Type *Ty, Value *ArraySize = 0,
674 const Twine &Name = "") {
675 return Insert(new AllocaInst(Ty, ArraySize), Name);
677 // Provided to resolve 'CreateLoad(Ptr, "...")' correctly, instead of
678 // converting the string to 'bool' for the isVolatile parameter.
679 LoadInst *CreateLoad(Value *Ptr, const char *Name) {
680 return Insert(new LoadInst(Ptr), Name);
682 LoadInst *CreateLoad(Value *Ptr, const Twine &Name = "") {
683 return Insert(new LoadInst(Ptr), Name);
685 LoadInst *CreateLoad(Value *Ptr, bool isVolatile, const Twine &Name = "") {
686 return Insert(new LoadInst(Ptr, 0, isVolatile), Name);
688 StoreInst *CreateStore(Value *Val, Value *Ptr, bool isVolatile = false) {
689 return Insert(new StoreInst(Val, Ptr, isVolatile));
691 template<typename RandomAccessIterator>
692 Value *CreateGEP(Value *Ptr,
693 RandomAccessIterator IdxBegin,
694 RandomAccessIterator IdxEnd,
695 const Twine &Name = "") {
696 if (Constant *PC = dyn_cast<Constant>(Ptr)) {
697 // Every index must be constant.
698 RandomAccessIterator i;
699 for (i = IdxBegin; i < IdxEnd; ++i)
700 if (!isa<Constant>(*i))
703 return Folder.CreateGetElementPtr(PC, &IdxBegin[0], IdxEnd - IdxBegin);
705 return Insert(GetElementPtrInst::Create(Ptr, IdxBegin, IdxEnd), Name);
707 template<typename RandomAccessIterator>
708 Value *CreateInBoundsGEP(Value *Ptr, RandomAccessIterator IdxBegin,
709 RandomAccessIterator IdxEnd,
710 const Twine &Name = "") {
711 if (Constant *PC = dyn_cast<Constant>(Ptr)) {
712 // Every index must be constant.
713 RandomAccessIterator i;
714 for (i = IdxBegin; i < IdxEnd; ++i)
715 if (!isa<Constant>(*i))
718 return Folder.CreateInBoundsGetElementPtr(PC,
722 return Insert(GetElementPtrInst::CreateInBounds(Ptr, IdxBegin, IdxEnd),
725 Value *CreateGEP(Value *Ptr, Value *Idx, const Twine &Name = "") {
726 if (Constant *PC = dyn_cast<Constant>(Ptr))
727 if (Constant *IC = dyn_cast<Constant>(Idx))
728 return Folder.CreateGetElementPtr(PC, &IC, 1);
729 return Insert(GetElementPtrInst::Create(Ptr, Idx), Name);
731 Value *CreateInBoundsGEP(Value *Ptr, Value *Idx, const Twine &Name = "") {
732 if (Constant *PC = dyn_cast<Constant>(Ptr))
733 if (Constant *IC = dyn_cast<Constant>(Idx))
734 return Folder.CreateInBoundsGetElementPtr(PC, &IC, 1);
735 return Insert(GetElementPtrInst::CreateInBounds(Ptr, Idx), Name);
737 Value *CreateConstGEP1_32(Value *Ptr, unsigned Idx0, const Twine &Name = "") {
738 Value *Idx = ConstantInt::get(Type::getInt32Ty(Context), Idx0);
740 if (Constant *PC = dyn_cast<Constant>(Ptr))
741 return Folder.CreateGetElementPtr(PC, &Idx, 1);
743 return Insert(GetElementPtrInst::Create(Ptr, &Idx, &Idx+1), Name);
745 Value *CreateConstInBoundsGEP1_32(Value *Ptr, unsigned Idx0,
746 const Twine &Name = "") {
747 Value *Idx = ConstantInt::get(Type::getInt32Ty(Context), Idx0);
749 if (Constant *PC = dyn_cast<Constant>(Ptr))
750 return Folder.CreateInBoundsGetElementPtr(PC, &Idx, 1);
752 return Insert(GetElementPtrInst::CreateInBounds(Ptr, &Idx, &Idx+1), Name);
754 Value *CreateConstGEP2_32(Value *Ptr, unsigned Idx0, unsigned Idx1,
755 const Twine &Name = "") {
757 ConstantInt::get(Type::getInt32Ty(Context), Idx0),
758 ConstantInt::get(Type::getInt32Ty(Context), Idx1)
761 if (Constant *PC = dyn_cast<Constant>(Ptr))
762 return Folder.CreateGetElementPtr(PC, Idxs, 2);
764 return Insert(GetElementPtrInst::Create(Ptr, Idxs, Idxs+2), Name);
766 Value *CreateConstInBoundsGEP2_32(Value *Ptr, unsigned Idx0, unsigned Idx1,
767 const Twine &Name = "") {
769 ConstantInt::get(Type::getInt32Ty(Context), Idx0),
770 ConstantInt::get(Type::getInt32Ty(Context), Idx1)
773 if (Constant *PC = dyn_cast<Constant>(Ptr))
774 return Folder.CreateInBoundsGetElementPtr(PC, Idxs, 2);
776 return Insert(GetElementPtrInst::CreateInBounds(Ptr, Idxs, Idxs+2), Name);
778 Value *CreateConstGEP1_64(Value *Ptr, uint64_t Idx0, const Twine &Name = "") {
779 Value *Idx = ConstantInt::get(Type::getInt64Ty(Context), Idx0);
781 if (Constant *PC = dyn_cast<Constant>(Ptr))
782 return Folder.CreateGetElementPtr(PC, &Idx, 1);
784 return Insert(GetElementPtrInst::Create(Ptr, &Idx, &Idx+1), Name);
786 Value *CreateConstInBoundsGEP1_64(Value *Ptr, uint64_t Idx0,
787 const Twine &Name = "") {
788 Value *Idx = ConstantInt::get(Type::getInt64Ty(Context), Idx0);
790 if (Constant *PC = dyn_cast<Constant>(Ptr))
791 return Folder.CreateInBoundsGetElementPtr(PC, &Idx, 1);
793 return Insert(GetElementPtrInst::CreateInBounds(Ptr, &Idx, &Idx+1), Name);
795 Value *CreateConstGEP2_64(Value *Ptr, uint64_t Idx0, uint64_t Idx1,
796 const Twine &Name = "") {
798 ConstantInt::get(Type::getInt64Ty(Context), Idx0),
799 ConstantInt::get(Type::getInt64Ty(Context), Idx1)
802 if (Constant *PC = dyn_cast<Constant>(Ptr))
803 return Folder.CreateGetElementPtr(PC, Idxs, 2);
805 return Insert(GetElementPtrInst::Create(Ptr, Idxs, Idxs+2), Name);
807 Value *CreateConstInBoundsGEP2_64(Value *Ptr, uint64_t Idx0, uint64_t Idx1,
808 const Twine &Name = "") {
810 ConstantInt::get(Type::getInt64Ty(Context), Idx0),
811 ConstantInt::get(Type::getInt64Ty(Context), Idx1)
814 if (Constant *PC = dyn_cast<Constant>(Ptr))
815 return Folder.CreateInBoundsGetElementPtr(PC, Idxs, 2);
817 return Insert(GetElementPtrInst::CreateInBounds(Ptr, Idxs, Idxs+2), Name);
819 Value *CreateStructGEP(Value *Ptr, unsigned Idx, const Twine &Name = "") {
820 return CreateConstInBoundsGEP2_32(Ptr, 0, Idx, Name);
823 /// CreateGlobalStringPtr - Same as CreateGlobalString, but return a pointer
824 /// with "i8*" type instead of a pointer to array of i8.
825 Value *CreateGlobalStringPtr(const char *Str = "", const Twine &Name = "") {
826 Value *gv = CreateGlobalString(Str, Name);
827 Value *zero = ConstantInt::get(Type::getInt32Ty(Context), 0);
828 Value *Args[] = { zero, zero };
829 return CreateInBoundsGEP(gv, Args, Args+2, Name);
832 //===--------------------------------------------------------------------===//
833 // Instruction creation methods: Cast/Conversion Operators
834 //===--------------------------------------------------------------------===//
836 Value *CreateTrunc(Value *V, const Type *DestTy, const Twine &Name = "") {
837 return CreateCast(Instruction::Trunc, V, DestTy, Name);
839 Value *CreateZExt(Value *V, const Type *DestTy, const Twine &Name = "") {
840 return CreateCast(Instruction::ZExt, V, DestTy, Name);
842 Value *CreateSExt(Value *V, const Type *DestTy, const Twine &Name = "") {
843 return CreateCast(Instruction::SExt, V, DestTy, Name);
845 Value *CreateFPToUI(Value *V, const Type *DestTy, const Twine &Name = ""){
846 return CreateCast(Instruction::FPToUI, V, DestTy, Name);
848 Value *CreateFPToSI(Value *V, const Type *DestTy, const Twine &Name = ""){
849 return CreateCast(Instruction::FPToSI, V, DestTy, Name);
851 Value *CreateUIToFP(Value *V, const Type *DestTy, const Twine &Name = ""){
852 return CreateCast(Instruction::UIToFP, V, DestTy, Name);
854 Value *CreateSIToFP(Value *V, const Type *DestTy, const Twine &Name = ""){
855 return CreateCast(Instruction::SIToFP, V, DestTy, Name);
857 Value *CreateFPTrunc(Value *V, const Type *DestTy,
858 const Twine &Name = "") {
859 return CreateCast(Instruction::FPTrunc, V, DestTy, Name);
861 Value *CreateFPExt(Value *V, const Type *DestTy, const Twine &Name = "") {
862 return CreateCast(Instruction::FPExt, V, DestTy, Name);
864 Value *CreatePtrToInt(Value *V, const Type *DestTy,
865 const Twine &Name = "") {
866 return CreateCast(Instruction::PtrToInt, V, DestTy, Name);
868 Value *CreateIntToPtr(Value *V, const Type *DestTy,
869 const Twine &Name = "") {
870 return CreateCast(Instruction::IntToPtr, V, DestTy, Name);
872 Value *CreateBitCast(Value *V, const Type *DestTy,
873 const Twine &Name = "") {
874 return CreateCast(Instruction::BitCast, V, DestTy, Name);
876 Value *CreateZExtOrBitCast(Value *V, const Type *DestTy,
877 const Twine &Name = "") {
878 if (V->getType() == DestTy)
880 if (Constant *VC = dyn_cast<Constant>(V))
881 return Folder.CreateZExtOrBitCast(VC, DestTy);
882 return Insert(CastInst::CreateZExtOrBitCast(V, DestTy), Name);
884 Value *CreateSExtOrBitCast(Value *V, const Type *DestTy,
885 const Twine &Name = "") {
886 if (V->getType() == DestTy)
888 if (Constant *VC = dyn_cast<Constant>(V))
889 return Folder.CreateSExtOrBitCast(VC, DestTy);
890 return Insert(CastInst::CreateSExtOrBitCast(V, DestTy), Name);
892 Value *CreateTruncOrBitCast(Value *V, const Type *DestTy,
893 const Twine &Name = "") {
894 if (V->getType() == DestTy)
896 if (Constant *VC = dyn_cast<Constant>(V))
897 return Folder.CreateTruncOrBitCast(VC, DestTy);
898 return Insert(CastInst::CreateTruncOrBitCast(V, DestTy), Name);
900 Value *CreateCast(Instruction::CastOps Op, Value *V, const Type *DestTy,
901 const Twine &Name = "") {
902 if (V->getType() == DestTy)
904 if (Constant *VC = dyn_cast<Constant>(V))
905 return Folder.CreateCast(Op, VC, DestTy);
906 return Insert(CastInst::Create(Op, V, DestTy), Name);
908 Value *CreatePointerCast(Value *V, const Type *DestTy,
909 const Twine &Name = "") {
910 if (V->getType() == DestTy)
912 if (Constant *VC = dyn_cast<Constant>(V))
913 return Folder.CreatePointerCast(VC, DestTy);
914 return Insert(CastInst::CreatePointerCast(V, DestTy), Name);
916 Value *CreateIntCast(Value *V, const Type *DestTy, bool isSigned,
917 const Twine &Name = "") {
918 if (V->getType() == DestTy)
920 if (Constant *VC = dyn_cast<Constant>(V))
921 return Folder.CreateIntCast(VC, DestTy, isSigned);
922 return Insert(CastInst::CreateIntegerCast(V, DestTy, isSigned), Name);
925 // Provided to resolve 'CreateIntCast(Ptr, Ptr, "...")', giving a compile time
926 // error, instead of converting the string to bool for the isSigned parameter.
927 Value *CreateIntCast(Value *, const Type *, const char *); // DO NOT IMPLEMENT
929 Value *CreateFPCast(Value *V, const Type *DestTy, const Twine &Name = "") {
930 if (V->getType() == DestTy)
932 if (Constant *VC = dyn_cast<Constant>(V))
933 return Folder.CreateFPCast(VC, DestTy);
934 return Insert(CastInst::CreateFPCast(V, DestTy), Name);
937 //===--------------------------------------------------------------------===//
938 // Instruction creation methods: Compare Instructions
939 //===--------------------------------------------------------------------===//
941 Value *CreateICmpEQ(Value *LHS, Value *RHS, const Twine &Name = "") {
942 return CreateICmp(ICmpInst::ICMP_EQ, LHS, RHS, Name);
944 Value *CreateICmpNE(Value *LHS, Value *RHS, const Twine &Name = "") {
945 return CreateICmp(ICmpInst::ICMP_NE, LHS, RHS, Name);
947 Value *CreateICmpUGT(Value *LHS, Value *RHS, const Twine &Name = "") {
948 return CreateICmp(ICmpInst::ICMP_UGT, LHS, RHS, Name);
950 Value *CreateICmpUGE(Value *LHS, Value *RHS, const Twine &Name = "") {
951 return CreateICmp(ICmpInst::ICMP_UGE, LHS, RHS, Name);
953 Value *CreateICmpULT(Value *LHS, Value *RHS, const Twine &Name = "") {
954 return CreateICmp(ICmpInst::ICMP_ULT, LHS, RHS, Name);
956 Value *CreateICmpULE(Value *LHS, Value *RHS, const Twine &Name = "") {
957 return CreateICmp(ICmpInst::ICMP_ULE, LHS, RHS, Name);
959 Value *CreateICmpSGT(Value *LHS, Value *RHS, const Twine &Name = "") {
960 return CreateICmp(ICmpInst::ICMP_SGT, LHS, RHS, Name);
962 Value *CreateICmpSGE(Value *LHS, Value *RHS, const Twine &Name = "") {
963 return CreateICmp(ICmpInst::ICMP_SGE, LHS, RHS, Name);
965 Value *CreateICmpSLT(Value *LHS, Value *RHS, const Twine &Name = "") {
966 return CreateICmp(ICmpInst::ICMP_SLT, LHS, RHS, Name);
968 Value *CreateICmpSLE(Value *LHS, Value *RHS, const Twine &Name = "") {
969 return CreateICmp(ICmpInst::ICMP_SLE, LHS, RHS, Name);
972 Value *CreateFCmpOEQ(Value *LHS, Value *RHS, const Twine &Name = "") {
973 return CreateFCmp(FCmpInst::FCMP_OEQ, LHS, RHS, Name);
975 Value *CreateFCmpOGT(Value *LHS, Value *RHS, const Twine &Name = "") {
976 return CreateFCmp(FCmpInst::FCMP_OGT, LHS, RHS, Name);
978 Value *CreateFCmpOGE(Value *LHS, Value *RHS, const Twine &Name = "") {
979 return CreateFCmp(FCmpInst::FCMP_OGE, LHS, RHS, Name);
981 Value *CreateFCmpOLT(Value *LHS, Value *RHS, const Twine &Name = "") {
982 return CreateFCmp(FCmpInst::FCMP_OLT, LHS, RHS, Name);
984 Value *CreateFCmpOLE(Value *LHS, Value *RHS, const Twine &Name = "") {
985 return CreateFCmp(FCmpInst::FCMP_OLE, LHS, RHS, Name);
987 Value *CreateFCmpONE(Value *LHS, Value *RHS, const Twine &Name = "") {
988 return CreateFCmp(FCmpInst::FCMP_ONE, LHS, RHS, Name);
990 Value *CreateFCmpORD(Value *LHS, Value *RHS, const Twine &Name = "") {
991 return CreateFCmp(FCmpInst::FCMP_ORD, LHS, RHS, Name);
993 Value *CreateFCmpUNO(Value *LHS, Value *RHS, const Twine &Name = "") {
994 return CreateFCmp(FCmpInst::FCMP_UNO, LHS, RHS, Name);
996 Value *CreateFCmpUEQ(Value *LHS, Value *RHS, const Twine &Name = "") {
997 return CreateFCmp(FCmpInst::FCMP_UEQ, LHS, RHS, Name);
999 Value *CreateFCmpUGT(Value *LHS, Value *RHS, const Twine &Name = "") {
1000 return CreateFCmp(FCmpInst::FCMP_UGT, LHS, RHS, Name);
1002 Value *CreateFCmpUGE(Value *LHS, Value *RHS, const Twine &Name = "") {
1003 return CreateFCmp(FCmpInst::FCMP_UGE, LHS, RHS, Name);
1005 Value *CreateFCmpULT(Value *LHS, Value *RHS, const Twine &Name = "") {
1006 return CreateFCmp(FCmpInst::FCMP_ULT, LHS, RHS, Name);
1008 Value *CreateFCmpULE(Value *LHS, Value *RHS, const Twine &Name = "") {
1009 return CreateFCmp(FCmpInst::FCMP_ULE, LHS, RHS, Name);
1011 Value *CreateFCmpUNE(Value *LHS, Value *RHS, const Twine &Name = "") {
1012 return CreateFCmp(FCmpInst::FCMP_UNE, LHS, RHS, Name);
1015 Value *CreateICmp(CmpInst::Predicate P, Value *LHS, Value *RHS,
1016 const Twine &Name = "") {
1017 if (Constant *LC = dyn_cast<Constant>(LHS))
1018 if (Constant *RC = dyn_cast<Constant>(RHS))
1019 return Folder.CreateICmp(P, LC, RC);
1020 return Insert(new ICmpInst(P, LHS, RHS), Name);
1022 Value *CreateFCmp(CmpInst::Predicate P, Value *LHS, Value *RHS,
1023 const Twine &Name = "") {
1024 if (Constant *LC = dyn_cast<Constant>(LHS))
1025 if (Constant *RC = dyn_cast<Constant>(RHS))
1026 return Folder.CreateFCmp(P, LC, RC);
1027 return Insert(new FCmpInst(P, LHS, RHS), Name);
1030 //===--------------------------------------------------------------------===//
1031 // Instruction creation methods: Other Instructions
1032 //===--------------------------------------------------------------------===//
1034 PHINode *CreatePHI(const Type *Ty, const Twine &Name = "") {
1035 return Insert(PHINode::Create(Ty), Name);
1038 CallInst *CreateCall(Value *Callee, const Twine &Name = "") {
1039 return Insert(CallInst::Create(Callee), Name);
1041 CallInst *CreateCall(Value *Callee, Value *Arg, const Twine &Name = "") {
1042 return Insert(CallInst::Create(Callee, Arg), Name);
1044 CallInst *CreateCall2(Value *Callee, Value *Arg1, Value *Arg2,
1045 const Twine &Name = "") {
1046 Value *Args[] = { Arg1, Arg2 };
1047 return Insert(CallInst::Create(Callee, Args, Args+2), Name);
1049 CallInst *CreateCall3(Value *Callee, Value *Arg1, Value *Arg2, Value *Arg3,
1050 const Twine &Name = "") {
1051 Value *Args[] = { Arg1, Arg2, Arg3 };
1052 return Insert(CallInst::Create(Callee, Args, Args+3), Name);
1054 CallInst *CreateCall4(Value *Callee, Value *Arg1, Value *Arg2, Value *Arg3,
1055 Value *Arg4, const Twine &Name = "") {
1056 Value *Args[] = { Arg1, Arg2, Arg3, Arg4 };
1057 return Insert(CallInst::Create(Callee, Args, Args+4), Name);
1059 CallInst *CreateCall5(Value *Callee, Value *Arg1, Value *Arg2, Value *Arg3,
1060 Value *Arg4, Value *Arg5, const Twine &Name = "") {
1061 Value *Args[] = { Arg1, Arg2, Arg3, Arg4, Arg5 };
1062 return Insert(CallInst::Create(Callee, Args, Args+5), Name);
1065 template<typename RandomAccessIterator>
1066 CallInst *CreateCall(Value *Callee, RandomAccessIterator ArgBegin,
1067 RandomAccessIterator ArgEnd, const Twine &Name = "") {
1068 return Insert(CallInst::Create(Callee, ArgBegin, ArgEnd), Name);
1071 Value *CreateSelect(Value *C, Value *True, Value *False,
1072 const Twine &Name = "") {
1073 if (Constant *CC = dyn_cast<Constant>(C))
1074 if (Constant *TC = dyn_cast<Constant>(True))
1075 if (Constant *FC = dyn_cast<Constant>(False))
1076 return Folder.CreateSelect(CC, TC, FC);
1077 return Insert(SelectInst::Create(C, True, False), Name);
1080 VAArgInst *CreateVAArg(Value *List, const Type *Ty, const Twine &Name = "") {
1081 return Insert(new VAArgInst(List, Ty), Name);
1084 Value *CreateExtractElement(Value *Vec, Value *Idx,
1085 const Twine &Name = "") {
1086 if (Constant *VC = dyn_cast<Constant>(Vec))
1087 if (Constant *IC = dyn_cast<Constant>(Idx))
1088 return Folder.CreateExtractElement(VC, IC);
1089 return Insert(ExtractElementInst::Create(Vec, Idx), Name);
1092 Value *CreateInsertElement(Value *Vec, Value *NewElt, Value *Idx,
1093 const Twine &Name = "") {
1094 if (Constant *VC = dyn_cast<Constant>(Vec))
1095 if (Constant *NC = dyn_cast<Constant>(NewElt))
1096 if (Constant *IC = dyn_cast<Constant>(Idx))
1097 return Folder.CreateInsertElement(VC, NC, IC);
1098 return Insert(InsertElementInst::Create(Vec, NewElt, Idx), Name);
1101 Value *CreateShuffleVector(Value *V1, Value *V2, Value *Mask,
1102 const Twine &Name = "") {
1103 if (Constant *V1C = dyn_cast<Constant>(V1))
1104 if (Constant *V2C = dyn_cast<Constant>(V2))
1105 if (Constant *MC = dyn_cast<Constant>(Mask))
1106 return Folder.CreateShuffleVector(V1C, V2C, MC);
1107 return Insert(new ShuffleVectorInst(V1, V2, Mask), Name);
1110 Value *CreateExtractValue(Value *Agg, unsigned Idx,
1111 const Twine &Name = "") {
1112 if (Constant *AggC = dyn_cast<Constant>(Agg))
1113 return Folder.CreateExtractValue(AggC, &Idx, 1);
1114 return Insert(ExtractValueInst::Create(Agg, Idx), Name);
1117 template<typename RandomAccessIterator>
1118 Value *CreateExtractValue(Value *Agg,
1119 RandomAccessIterator IdxBegin,
1120 RandomAccessIterator IdxEnd,
1121 const Twine &Name = "") {
1122 if (Constant *AggC = dyn_cast<Constant>(Agg))
1123 return Folder.CreateExtractValue(AggC, IdxBegin, IdxEnd - IdxBegin);
1124 return Insert(ExtractValueInst::Create(Agg, IdxBegin, IdxEnd), Name);
1127 Value *CreateInsertValue(Value *Agg, Value *Val, unsigned Idx,
1128 const Twine &Name = "") {
1129 if (Constant *AggC = dyn_cast<Constant>(Agg))
1130 if (Constant *ValC = dyn_cast<Constant>(Val))
1131 return Folder.CreateInsertValue(AggC, ValC, &Idx, 1);
1132 return Insert(InsertValueInst::Create(Agg, Val, Idx), Name);
1135 template<typename RandomAccessIterator>
1136 Value *CreateInsertValue(Value *Agg, Value *Val,
1137 RandomAccessIterator IdxBegin,
1138 RandomAccessIterator IdxEnd,
1139 const Twine &Name = "") {
1140 if (Constant *AggC = dyn_cast<Constant>(Agg))
1141 if (Constant *ValC = dyn_cast<Constant>(Val))
1142 return Folder.CreateInsertValue(AggC, ValC, IdxBegin, IdxEnd-IdxBegin);
1143 return Insert(InsertValueInst::Create(Agg, Val, IdxBegin, IdxEnd), Name);
1146 //===--------------------------------------------------------------------===//
1147 // Utility creation methods
1148 //===--------------------------------------------------------------------===//
1150 /// CreateIsNull - Return an i1 value testing if \arg Arg is null.
1151 Value *CreateIsNull(Value *Arg, const Twine &Name = "") {
1152 return CreateICmpEQ(Arg, Constant::getNullValue(Arg->getType()),
1156 /// CreateIsNotNull - Return an i1 value testing if \arg Arg is not null.
1157 Value *CreateIsNotNull(Value *Arg, const Twine &Name = "") {
1158 return CreateICmpNE(Arg, Constant::getNullValue(Arg->getType()),
1162 /// CreatePtrDiff - Return the i64 difference between two pointer values,
1163 /// dividing out the size of the pointed-to objects. This is intended to
1164 /// implement C-style pointer subtraction. As such, the pointers must be
1165 /// appropriately aligned for their element types and pointing into the
1167 Value *CreatePtrDiff(Value *LHS, Value *RHS, const Twine &Name = "") {
1168 assert(LHS->getType() == RHS->getType() &&
1169 "Pointer subtraction operand types must match!");
1170 const PointerType *ArgType = cast<PointerType>(LHS->getType());
1171 Value *LHS_int = CreatePtrToInt(LHS, Type::getInt64Ty(Context));
1172 Value *RHS_int = CreatePtrToInt(RHS, Type::getInt64Ty(Context));
1173 Value *Difference = CreateSub(LHS_int, RHS_int);
1174 return CreateExactSDiv(Difference,
1175 ConstantExpr::getSizeOf(ArgType->getElementType()),