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/BasicBlock.h"
19 #include "llvm/Instructions.h"
20 #include "llvm/Constants.h"
21 #include "llvm/GlobalVariable.h"
22 #include "llvm/Function.h"
26 /// IRBuilder - This provides a uniform API for creating instructions and
27 /// inserting them into a basic block: either at the end of a BasicBlock, or
28 /// at a specific iterator location in a block.
30 /// Note that the builder does not expose the full generality of LLVM
31 /// instructions. For example, it cannot be used to create instructions with
32 /// arbitrary names (specifically, names with nul characters in them) - It only
33 /// supports nul-terminated C strings. For fully generic names, use
34 /// I->setName(). For access to extra instruction properties, use the mutators
35 /// (e.g. setVolatile) on the instructions after they have been created.
38 BasicBlock::iterator InsertPt;
40 IRBuilder() { ClearInsertionPoint(); }
41 explicit IRBuilder(BasicBlock *TheBB) { SetInsertPoint(TheBB); }
42 IRBuilder(BasicBlock *TheBB, BasicBlock::iterator IP) {
43 SetInsertPoint(TheBB, IP);
46 //===--------------------------------------------------------------------===//
47 // Builder configuration methods
48 //===--------------------------------------------------------------------===//
50 /// ClearInsertionPoint - Clear the insertion point: created instructions will
51 /// not be inserted into a block.
52 void ClearInsertionPoint() {
56 BasicBlock *GetInsertBlock() const { return BB; }
58 /// SetInsertPoint - This specifies that created instructions should be
59 /// appended to the end of the specified block.
60 void SetInsertPoint(BasicBlock *TheBB) {
65 /// SetInsertPoint - This specifies that created instructions should be
66 /// inserted at the specified point.
67 void SetInsertPoint(BasicBlock *TheBB, BasicBlock::iterator IP) {
72 /// Insert - Insert and return the specified instruction.
73 template<typename InstTy>
74 InstTy *Insert(InstTy *I, const char *Name = "") const {
75 InsertHelper(I, Name);
79 /// InsertHelper - Insert the specified instruction at the specified insertion
80 /// point. This is split out of Insert so that it isn't duplicated for every
81 /// template instantiation.
82 void InsertHelper(Instruction *I, const char *Name) const {
83 if (BB) BB->getInstList().insert(InsertPt, I);
88 //===--------------------------------------------------------------------===//
89 // Instruction creation methods: Terminators
90 //===--------------------------------------------------------------------===//
92 /// CreateRetVoid - Create a 'ret void' instruction.
93 ReturnInst *CreateRetVoid() {
94 return Insert(ReturnInst::Create());
98 /// CreateRet - Create a 'ret <val>' instruction.
100 ReturnInst *CreateRet(Value *V) {
101 return Insert(ReturnInst::Create(V));
104 /// CreateAggregateRet - Create a sequence of N insertvalue instructions,
105 /// with one Value from the retVals array each, that build a aggregate
106 /// return value one value at a time, and a ret instruction to return
107 /// the resulting aggregate value. This is a convenience function for
108 /// code that uses aggregate return values as a vehicle for having
109 /// multiple return values.
111 ReturnInst *CreateAggregateRet(Value * const* retVals, unsigned N) {
112 const Type *RetType = BB->getParent()->getReturnType();
113 Value *V = UndefValue::get(RetType);
114 for (unsigned i = 0; i != N; ++i)
115 V = CreateInsertValue(V, retVals[i], i, "mrv");
116 return Insert(ReturnInst::Create(V));
119 /// CreateBr - Create an unconditional 'br label X' instruction.
120 BranchInst *CreateBr(BasicBlock *Dest) {
121 return Insert(BranchInst::Create(Dest));
124 /// CreateCondBr - Create a conditional 'br Cond, TrueDest, FalseDest'
126 BranchInst *CreateCondBr(Value *Cond, BasicBlock *True, BasicBlock *False) {
127 return Insert(BranchInst::Create(True, False, Cond));
130 /// CreateSwitch - Create a switch instruction with the specified value,
131 /// default dest, and with a hint for the number of cases that will be added
132 /// (for efficient allocation).
133 SwitchInst *CreateSwitch(Value *V, BasicBlock *Dest, unsigned NumCases = 10) {
134 return Insert(SwitchInst::Create(V, Dest, NumCases));
137 /// CreateInvoke - Create an invoke instruction.
138 template<typename InputIterator>
139 InvokeInst *CreateInvoke(Value *Callee, BasicBlock *NormalDest,
140 BasicBlock *UnwindDest, InputIterator ArgBegin,
141 InputIterator ArgEnd, const char *Name = "") {
142 return Insert(InvokeInst::Create(Callee, NormalDest, UnwindDest,
143 ArgBegin, ArgEnd), Name);
146 UnwindInst *CreateUnwind() {
147 return Insert(new UnwindInst());
150 UnreachableInst *CreateUnreachable() {
151 return Insert(new UnreachableInst());
154 //===--------------------------------------------------------------------===//
155 // Instruction creation methods: Binary Operators
156 //===--------------------------------------------------------------------===//
158 Value *CreateAdd(Value *LHS, Value *RHS, const char *Name = "") {
159 if (Constant *LC = dyn_cast<Constant>(LHS))
160 if (Constant *RC = dyn_cast<Constant>(RHS))
161 return ConstantExpr::getAdd(LC, RC);
162 return Insert(BinaryOperator::CreateAdd(LHS, RHS), Name);
164 Value *CreateSub(Value *LHS, Value *RHS, const char *Name = "") {
165 if (Constant *LC = dyn_cast<Constant>(LHS))
166 if (Constant *RC = dyn_cast<Constant>(RHS))
167 return ConstantExpr::getSub(LC, RC);
168 return Insert(BinaryOperator::CreateSub(LHS, RHS), Name);
170 Value *CreateMul(Value *LHS, Value *RHS, const char *Name = "") {
171 if (Constant *LC = dyn_cast<Constant>(LHS))
172 if (Constant *RC = dyn_cast<Constant>(RHS))
173 return ConstantExpr::getMul(LC, RC);
174 return Insert(BinaryOperator::CreateMul(LHS, RHS), Name);
176 Value *CreateUDiv(Value *LHS, Value *RHS, const char *Name = "") {
177 if (Constant *LC = dyn_cast<Constant>(LHS))
178 if (Constant *RC = dyn_cast<Constant>(RHS))
179 return ConstantExpr::getUDiv(LC, RC);
180 return Insert(BinaryOperator::CreateUDiv(LHS, RHS), Name);
182 Value *CreateSDiv(Value *LHS, Value *RHS, const char *Name = "") {
183 if (Constant *LC = dyn_cast<Constant>(LHS))
184 if (Constant *RC = dyn_cast<Constant>(RHS))
185 return ConstantExpr::getSDiv(LC, RC);
186 return Insert(BinaryOperator::CreateSDiv(LHS, RHS), Name);
188 Value *CreateFDiv(Value *LHS, Value *RHS, const char *Name = "") {
189 if (Constant *LC = dyn_cast<Constant>(LHS))
190 if (Constant *RC = dyn_cast<Constant>(RHS))
191 return ConstantExpr::getFDiv(LC, RC);
192 return Insert(BinaryOperator::CreateFDiv(LHS, RHS), Name);
194 Value *CreateURem(Value *LHS, Value *RHS, const char *Name = "") {
195 if (Constant *LC = dyn_cast<Constant>(LHS))
196 if (Constant *RC = dyn_cast<Constant>(RHS))
197 return ConstantExpr::getURem(LC, RC);
198 return Insert(BinaryOperator::CreateURem(LHS, RHS), Name);
200 Value *CreateSRem(Value *LHS, Value *RHS, const char *Name = "") {
201 if (Constant *LC = dyn_cast<Constant>(LHS))
202 if (Constant *RC = dyn_cast<Constant>(RHS))
203 return ConstantExpr::getSRem(LC, RC);
204 return Insert(BinaryOperator::CreateSRem(LHS, RHS), Name);
206 Value *CreateFRem(Value *LHS, Value *RHS, const char *Name = "") {
207 if (Constant *LC = dyn_cast<Constant>(LHS))
208 if (Constant *RC = dyn_cast<Constant>(RHS))
209 return ConstantExpr::getFRem(LC, RC);
210 return Insert(BinaryOperator::CreateFRem(LHS, RHS), Name);
212 Value *CreateShl(Value *LHS, Value *RHS, const char *Name = "") {
213 if (Constant *LC = dyn_cast<Constant>(LHS))
214 if (Constant *RC = dyn_cast<Constant>(RHS))
215 return ConstantExpr::getShl(LC, RC);
216 return Insert(BinaryOperator::CreateShl(LHS, RHS), Name);
218 Value *CreateLShr(Value *LHS, Value *RHS, const char *Name = "") {
219 if (Constant *LC = dyn_cast<Constant>(LHS))
220 if (Constant *RC = dyn_cast<Constant>(RHS))
221 return ConstantExpr::getLShr(LC, RC);
222 return Insert(BinaryOperator::CreateLShr(LHS, RHS), Name);
224 Value *CreateAShr(Value *LHS, Value *RHS, const char *Name = "") {
225 if (Constant *LC = dyn_cast<Constant>(LHS))
226 if (Constant *RC = dyn_cast<Constant>(RHS))
227 return ConstantExpr::getAShr(LC, RC);
228 return Insert(BinaryOperator::CreateAShr(LHS, RHS), Name);
230 Value *CreateAnd(Value *LHS, Value *RHS, const char *Name = "") {
231 if (Constant *LC = dyn_cast<Constant>(LHS))
232 if (Constant *RC = dyn_cast<Constant>(RHS))
233 return ConstantExpr::getAnd(LC, RC);
234 return Insert(BinaryOperator::CreateAnd(LHS, RHS), Name);
236 Value *CreateOr(Value *LHS, Value *RHS, const char *Name = "") {
237 if (Constant *LC = dyn_cast<Constant>(LHS))
238 if (Constant *RC = dyn_cast<Constant>(RHS))
239 return ConstantExpr::getOr(LC, RC);
240 return Insert(BinaryOperator::CreateOr(LHS, RHS), Name);
242 Value *CreateXor(Value *LHS, Value *RHS, const char *Name = "") {
243 if (Constant *LC = dyn_cast<Constant>(LHS))
244 if (Constant *RC = dyn_cast<Constant>(RHS))
245 return ConstantExpr::getXor(LC, RC);
246 return Insert(BinaryOperator::CreateXor(LHS, RHS), Name);
249 Value *CreateBinOp(Instruction::BinaryOps Opc,
250 Value *LHS, Value *RHS, const char *Name = "") {
251 if (Constant *LC = dyn_cast<Constant>(LHS))
252 if (Constant *RC = dyn_cast<Constant>(RHS))
253 return ConstantExpr::get(Opc, LC, RC);
254 return Insert(BinaryOperator::Create(Opc, LHS, RHS), Name);
257 Value *CreateNeg(Value *V, const char *Name = "") {
258 if (Constant *VC = dyn_cast<Constant>(V))
259 return ConstantExpr::getNeg(VC);
260 return Insert(BinaryOperator::CreateNeg(V), Name);
262 Value *CreateNot(Value *V, const char *Name = "") {
263 if (Constant *VC = dyn_cast<Constant>(V))
264 return ConstantExpr::getNot(VC);
265 return Insert(BinaryOperator::CreateNot(V), Name);
268 //===--------------------------------------------------------------------===//
269 // Instruction creation methods: Memory Instructions
270 //===--------------------------------------------------------------------===//
272 MallocInst *CreateMalloc(const Type *Ty, Value *ArraySize = 0,
273 const char *Name = "") {
274 return Insert(new MallocInst(Ty, ArraySize), Name);
276 AllocaInst *CreateAlloca(const Type *Ty, Value *ArraySize = 0,
277 const char *Name = "") {
278 return Insert(new AllocaInst(Ty, ArraySize), Name);
280 FreeInst *CreateFree(Value *Ptr) {
281 return Insert(new FreeInst(Ptr));
283 LoadInst *CreateLoad(Value *Ptr, const char *Name = 0) {
284 return Insert(new LoadInst(Ptr, Name));
286 LoadInst *CreateLoad(Value *Ptr, bool isVolatile, const char *Name = 0) {
287 return Insert(new LoadInst(Ptr, Name, isVolatile));
289 StoreInst *CreateStore(Value *Val, Value *Ptr, bool isVolatile = false) {
290 return Insert(new StoreInst(Val, Ptr, isVolatile));
292 template<typename InputIterator>
293 Value *CreateGEP(Value *Ptr, InputIterator IdxBegin,
294 InputIterator IdxEnd, const char *Name = "") {
296 if (Constant *PC = dyn_cast<Constant>(Ptr)) {
297 // Every index must be constant.
299 for (i = IdxBegin; i < IdxEnd; ++i) {
300 if (!dyn_cast<Constant>(*i))
304 return ConstantExpr::getGetElementPtr(PC, &IdxBegin[0],
307 return(Insert(GetElementPtrInst::Create(Ptr, IdxBegin, IdxEnd), Name));
309 Value *CreateGEP(Value *Ptr, Value *Idx, const char *Name = "") {
310 if (Constant *PC = dyn_cast<Constant>(Ptr))
311 if (Constant *IC = dyn_cast<Constant>(Idx))
312 return ConstantExpr::getGetElementPtr(PC, &IC, 1);
313 return Insert(GetElementPtrInst::Create(Ptr, Idx), Name);
315 Value *CreateStructGEP(Value *Ptr, unsigned Idx, const char *Name = "") {
316 llvm::Value *Idxs[] = {
317 ConstantInt::get(llvm::Type::Int32Ty, 0),
318 ConstantInt::get(llvm::Type::Int32Ty, Idx)
321 if (Constant *PC = dyn_cast<Constant>(Ptr))
322 return ConstantExpr::getGetElementPtr(PC, Idxs, 2);
324 return Insert(GetElementPtrInst::Create(Ptr, Idxs, Idxs+2), Name);
326 Value *CreateGlobalString(const char *Str = "", const char *Name = "") {
327 Constant *StrConstant = ConstantArray::get(Str, true);
328 GlobalVariable *gv = new llvm::GlobalVariable(StrConstant->getType(),
330 GlobalValue::InternalLinkage,
333 BB->getParent()->getParent(),
338 Value *CreateGlobalStringPtr(const char *Str = "", const char *Name = "") {
339 Value *gv = CreateGlobalString(Str, Name);
340 Value *zero = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0);
341 Value *Args[] = { zero, zero };
342 return CreateGEP(gv, Args, Args+2, Name);
344 //===--------------------------------------------------------------------===//
345 // Instruction creation methods: Cast/Conversion Operators
346 //===--------------------------------------------------------------------===//
348 Value *CreateTrunc(Value *V, const Type *DestTy, const char *Name = "") {
349 return CreateCast(Instruction::Trunc, V, DestTy, Name);
351 Value *CreateZExt(Value *V, const Type *DestTy, const char *Name = "") {
352 return CreateCast(Instruction::ZExt, V, DestTy, Name);
354 Value *CreateSExt(Value *V, const Type *DestTy, const char *Name = "") {
355 return CreateCast(Instruction::SExt, V, DestTy, Name);
357 Value *CreateFPToUI(Value *V, const Type *DestTy, const char *Name = ""){
358 return CreateCast(Instruction::FPToUI, V, DestTy, Name);
360 Value *CreateFPToSI(Value *V, const Type *DestTy, const char *Name = ""){
361 return CreateCast(Instruction::FPToSI, V, DestTy, Name);
363 Value *CreateUIToFP(Value *V, const Type *DestTy, const char *Name = ""){
364 return CreateCast(Instruction::UIToFP, V, DestTy, Name);
366 Value *CreateSIToFP(Value *V, const Type *DestTy, const char *Name = ""){
367 return CreateCast(Instruction::SIToFP, V, DestTy, Name);
369 Value *CreateFPTrunc(Value *V, const Type *DestTy,
370 const char *Name = "") {
371 return CreateCast(Instruction::FPTrunc, V, DestTy, Name);
373 Value *CreateFPExt(Value *V, const Type *DestTy, const char *Name = "") {
374 return CreateCast(Instruction::FPExt, V, DestTy, Name);
376 Value *CreatePtrToInt(Value *V, const Type *DestTy,
377 const char *Name = "") {
378 return CreateCast(Instruction::PtrToInt, V, DestTy, Name);
380 Value *CreateIntToPtr(Value *V, const Type *DestTy,
381 const char *Name = "") {
382 return CreateCast(Instruction::IntToPtr, V, DestTy, Name);
384 Value *CreateBitCast(Value *V, const Type *DestTy,
385 const char *Name = "") {
386 return CreateCast(Instruction::BitCast, V, DestTy, Name);
389 Value *CreateCast(Instruction::CastOps Op, Value *V, const Type *DestTy,
390 const char *Name = "") {
391 if (V->getType() == DestTy)
393 if (Constant *VC = dyn_cast<Constant>(V))
394 return ConstantExpr::getCast(Op, VC, DestTy);
395 return Insert(CastInst::Create(Op, V, DestTy), Name);
397 Value *CreateIntCast(Value *V, const Type *DestTy, bool isSigned,
398 const char *Name = "") {
399 if (V->getType() == DestTy)
401 if (Constant *VC = dyn_cast<Constant>(V))
402 return ConstantExpr::getIntegerCast(VC, DestTy, isSigned);
403 return Insert(CastInst::CreateIntegerCast(V, DestTy, isSigned), Name);
406 //===--------------------------------------------------------------------===//
407 // Instruction creation methods: Compare Instructions
408 //===--------------------------------------------------------------------===//
410 Value *CreateICmpEQ(Value *LHS, Value *RHS, const char *Name = "") {
411 return CreateICmp(ICmpInst::ICMP_EQ, LHS, RHS, Name);
413 Value *CreateICmpNE(Value *LHS, Value *RHS, const char *Name = "") {
414 return CreateICmp(ICmpInst::ICMP_NE, LHS, RHS, Name);
416 Value *CreateICmpUGT(Value *LHS, Value *RHS, const char *Name = "") {
417 return CreateICmp(ICmpInst::ICMP_UGT, LHS, RHS, Name);
419 Value *CreateICmpUGE(Value *LHS, Value *RHS, const char *Name = "") {
420 return CreateICmp(ICmpInst::ICMP_UGE, LHS, RHS, Name);
422 Value *CreateICmpULT(Value *LHS, Value *RHS, const char *Name = "") {
423 return CreateICmp(ICmpInst::ICMP_ULT, LHS, RHS, Name);
425 Value *CreateICmpULE(Value *LHS, Value *RHS, const char *Name = "") {
426 return CreateICmp(ICmpInst::ICMP_ULE, LHS, RHS, Name);
428 Value *CreateICmpSGT(Value *LHS, Value *RHS, const char *Name = "") {
429 return CreateICmp(ICmpInst::ICMP_SGT, LHS, RHS, Name);
431 Value *CreateICmpSGE(Value *LHS, Value *RHS, const char *Name = "") {
432 return CreateICmp(ICmpInst::ICMP_SGE, LHS, RHS, Name);
434 Value *CreateICmpSLT(Value *LHS, Value *RHS, const char *Name = "") {
435 return CreateICmp(ICmpInst::ICMP_SLT, LHS, RHS, Name);
437 Value *CreateICmpSLE(Value *LHS, Value *RHS, const char *Name = "") {
438 return CreateICmp(ICmpInst::ICMP_SLE, LHS, RHS, Name);
441 Value *CreateFCmpOEQ(Value *LHS, Value *RHS, const char *Name = "") {
442 return CreateFCmp(FCmpInst::FCMP_OEQ, LHS, RHS, Name);
444 Value *CreateFCmpOGT(Value *LHS, Value *RHS, const char *Name = "") {
445 return CreateFCmp(FCmpInst::FCMP_OGT, LHS, RHS, Name);
447 Value *CreateFCmpOGE(Value *LHS, Value *RHS, const char *Name = "") {
448 return CreateFCmp(FCmpInst::FCMP_OGE, LHS, RHS, Name);
450 Value *CreateFCmpOLT(Value *LHS, Value *RHS, const char *Name = "") {
451 return CreateFCmp(FCmpInst::FCMP_OLT, LHS, RHS, Name);
453 Value *CreateFCmpOLE(Value *LHS, Value *RHS, const char *Name = "") {
454 return CreateFCmp(FCmpInst::FCMP_OLE, LHS, RHS, Name);
456 Value *CreateFCmpONE(Value *LHS, Value *RHS, const char *Name = "") {
457 return CreateFCmp(FCmpInst::FCMP_ONE, LHS, RHS, Name);
459 Value *CreateFCmpORD(Value *LHS, Value *RHS, const char *Name = "") {
460 return CreateFCmp(FCmpInst::FCMP_ORD, LHS, RHS, Name);
462 Value *CreateFCmpUNO(Value *LHS, Value *RHS, const char *Name = "") {
463 return CreateFCmp(FCmpInst::FCMP_UNO, LHS, RHS, Name);
465 Value *CreateFCmpUEQ(Value *LHS, Value *RHS, const char *Name = "") {
466 return CreateFCmp(FCmpInst::FCMP_UEQ, LHS, RHS, Name);
468 Value *CreateFCmpUGT(Value *LHS, Value *RHS, const char *Name = "") {
469 return CreateFCmp(FCmpInst::FCMP_UGT, LHS, RHS, Name);
471 Value *CreateFCmpUGE(Value *LHS, Value *RHS, const char *Name = "") {
472 return CreateFCmp(FCmpInst::FCMP_UGE, LHS, RHS, Name);
474 Value *CreateFCmpULT(Value *LHS, Value *RHS, const char *Name = "") {
475 return CreateFCmp(FCmpInst::FCMP_ULT, LHS, RHS, Name);
477 Value *CreateFCmpULE(Value *LHS, Value *RHS, const char *Name = "") {
478 return CreateFCmp(FCmpInst::FCMP_ULE, LHS, RHS, Name);
480 Value *CreateFCmpUNE(Value *LHS, Value *RHS, const char *Name = "") {
481 return CreateFCmp(FCmpInst::FCMP_UNE, LHS, RHS, Name);
484 Value *CreateICmp(CmpInst::Predicate P, Value *LHS, Value *RHS,
485 const char *Name = "") {
486 if (Constant *LC = dyn_cast<Constant>(LHS))
487 if (Constant *RC = dyn_cast<Constant>(RHS))
488 return ConstantExpr::getCompare(P, LC, RC);
489 return Insert(new ICmpInst(P, LHS, RHS), Name);
491 Value *CreateFCmp(CmpInst::Predicate P, Value *LHS, Value *RHS,
492 const char *Name = "") {
493 if (Constant *LC = dyn_cast<Constant>(LHS))
494 if (Constant *RC = dyn_cast<Constant>(RHS))
495 return ConstantExpr::getCompare(P, LC, RC);
496 return Insert(new FCmpInst(P, LHS, RHS), Name);
499 Value *CreateVICmp(CmpInst::Predicate P, Value *LHS, Value *RHS,
500 const char *Name = "") {
501 if (Constant *LC = dyn_cast<Constant>(LHS))
502 if (Constant *RC = dyn_cast<Constant>(RHS))
503 return ConstantExpr::getCompare(P, LC, RC);
504 return Insert(new VICmpInst(P, LHS, RHS), Name);
506 Value *CreateVFCmp(CmpInst::Predicate P, Value *LHS, Value *RHS,
507 const char *Name = "") {
508 if (Constant *LC = dyn_cast<Constant>(LHS))
509 if (Constant *RC = dyn_cast<Constant>(RHS))
510 return ConstantExpr::getCompare(P, LC, RC);
511 return Insert(new VFCmpInst(P, LHS, RHS), Name);
514 //===--------------------------------------------------------------------===//
515 // Instruction creation methods: Other Instructions
516 //===--------------------------------------------------------------------===//
518 PHINode *CreatePHI(const Type *Ty, const char *Name = "") {
519 return Insert(PHINode::Create(Ty), Name);
522 CallInst *CreateCall(Value *Callee, const char *Name = "") {
523 return Insert(CallInst::Create(Callee), Name);
525 CallInst *CreateCall(Value *Callee, Value *Arg, const char *Name = "") {
526 return Insert(CallInst::Create(Callee, Arg), Name);
528 CallInst *CreateCall2(Value *Callee, Value *Arg1, Value *Arg2,
529 const char *Name = "") {
530 Value *Args[] = { Arg1, Arg2 };
531 return Insert(CallInst::Create(Callee, Args, Args+2), Name);
533 CallInst *CreateCall3(Value *Callee, Value *Arg1, Value *Arg2, Value *Arg3,
534 const char *Name = "") {
535 Value *Args[] = { Arg1, Arg2, Arg3 };
536 return Insert(CallInst::Create(Callee, Args, Args+3), Name);
538 CallInst *CreateCall4(Value *Callee, Value *Arg1, Value *Arg2, Value *Arg3,
539 Value *Arg4, const char *Name = "") {
540 Value *Args[] = { Arg1, Arg2, Arg3, Arg4 };
541 return Insert(CallInst::Create(Callee, Args, Args+4), Name);
544 template<typename InputIterator>
545 CallInst *CreateCall(Value *Callee, InputIterator ArgBegin,
546 InputIterator ArgEnd, const char *Name = "") {
547 return Insert(CallInst::Create(Callee, ArgBegin, ArgEnd), Name);
550 Value *CreateSelect(Value *C, Value *True, Value *False,
551 const char *Name = "") {
552 if (Constant *CC = dyn_cast<Constant>(C))
553 if (Constant *TC = dyn_cast<Constant>(True))
554 if (Constant *FC = dyn_cast<Constant>(False))
555 return ConstantExpr::getSelect(CC, TC, FC);
556 return Insert(SelectInst::Create(C, True, False), Name);
559 VAArgInst *CreateVAArg(Value *List, const Type *Ty, const char *Name = "") {
560 return Insert(new VAArgInst(List, Ty), Name);
563 Value *CreateExtractElement(Value *Vec, Value *Idx,
564 const char *Name = "") {
565 if (Constant *VC = dyn_cast<Constant>(Vec))
566 if (Constant *IC = dyn_cast<Constant>(Idx))
567 return ConstantExpr::getExtractElement(VC, IC);
568 return Insert(new ExtractElementInst(Vec, Idx), Name);
571 Value *CreateInsertElement(Value *Vec, Value *NewElt, Value *Idx,
572 const char *Name = "") {
573 if (Constant *VC = dyn_cast<Constant>(Vec))
574 if (Constant *NC = dyn_cast<Constant>(NewElt))
575 if (Constant *IC = dyn_cast<Constant>(Idx))
576 return ConstantExpr::getInsertElement(VC, NC, IC);
577 return Insert(InsertElementInst::Create(Vec, NewElt, Idx), Name);
580 Value *CreateShuffleVector(Value *V1, Value *V2, Value *Mask,
581 const char *Name = "") {
582 if (Constant *V1C = dyn_cast<Constant>(V1))
583 if (Constant *V2C = dyn_cast<Constant>(V2))
584 if (Constant *MC = dyn_cast<Constant>(Mask))
585 return ConstantExpr::getShuffleVector(V1C, V2C, MC);
586 return Insert(new ShuffleVectorInst(V1, V2, Mask), Name);
589 Value *CreateExtractValue(Value *Agg, unsigned Idx,
590 const char *Name = "") {
591 if (Constant *AggC = dyn_cast<Constant>(Agg))
592 return ConstantExpr::getExtractValue(AggC, &Idx, 1);
593 return Insert(ExtractValueInst::Create(Agg, Idx), Name);
596 template<typename InputIterator>
597 Value *CreateExtractValue(Value *Agg,
598 InputIterator IdxBegin,
599 InputIterator IdxEnd,
600 const char *Name = "") {
601 if (Constant *AggC = dyn_cast<Constant>(Agg))
602 return ConstantExpr::getExtractValue(AggC, IdxBegin, IdxEnd - IdxBegin);
603 return Insert(ExtractValueInst::Create(Agg, IdxBegin, IdxEnd), Name);
606 Value *CreateInsertValue(Value *Agg, Value *Val, unsigned Idx,
607 const char *Name = "") {
608 if (Constant *AggC = dyn_cast<Constant>(Agg))
609 if (Constant *ValC = dyn_cast<Constant>(Val))
610 return ConstantExpr::getInsertValue(AggC, ValC, &Idx, 1);
611 return Insert(InsertValueInst::Create(Agg, Val, Idx), Name);
614 template<typename InputIterator>
615 Value *CreateInsertValue(Value *Agg, Value *Val,
616 InputIterator IdxBegin,
617 InputIterator IdxEnd,
618 const char *Name = "") {
619 if (Constant *AggC = dyn_cast<Constant>(Agg))
620 if (Constant *ValC = dyn_cast<Constant>(Val))
621 return ConstantExpr::getInsertValue(AggC, ValC,
622 IdxBegin, IdxEnd - IdxBegin);
623 return Insert(InsertValueInst::Create(Agg, Val, IdxBegin, IdxEnd), Name);