| //===---- llvm/Support/IRBuilder.h - Builder for LLVM Instrs ----*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines the IRBuilder class, which is used as a convenient way |
| // to create LLVM instructions with a consistent and simplified interface. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_SUPPORT_IRBUILDER_H |
| #define LLVM_SUPPORT_IRBUILDER_H |
| |
| #include "llvm/Constants.h" |
| #include "llvm/Instructions.h" |
| #include "llvm/GlobalVariable.h" |
| #include "llvm/Function.h" |
| #include "llvm/Support/ConstantFolder.h" |
| |
| namespace llvm { |
| |
| /// IRBuilder - This provides a uniform API for creating instructions and |
| /// inserting them into a basic block: either at the end of a BasicBlock, or |
| /// at a specific iterator location in a block. |
| /// |
| /// Note that the builder does not expose the full generality of LLVM |
| /// instructions. For example, it cannot be used to create instructions with |
| /// arbitrary names (specifically, names with nul characters in them) - It only |
| /// supports nul-terminated C strings. For fully generic names, use |
| /// I->setName(). For access to extra instruction properties, use the mutators |
| /// (e.g. setVolatile) on the instructions after they have been created. |
| /// The first template argument handles whether or not to preserve names in the |
| /// final instruction output. This defaults to on. The second template argument |
| /// specifies a class to use for creating constants. This defaults to creating |
| /// minimally folded constants. |
| template <bool preserveNames=true, typename T = ConstantFolder> class IRBuilder{ |
| BasicBlock *BB; |
| BasicBlock::iterator InsertPt; |
| T Folder; |
| public: |
| IRBuilder(const T& F = T()) : Folder(F) { ClearInsertionPoint(); } |
| explicit IRBuilder(BasicBlock *TheBB, const T& F = T()) |
| : Folder(F) { SetInsertPoint(TheBB); } |
| IRBuilder(BasicBlock *TheBB, BasicBlock::iterator IP, const T& F = T()) |
| : Folder(F) { SetInsertPoint(TheBB, IP); } |
| |
| /// getFolder - Get the constant folder being used. |
| const T& getFolder() { return Folder; } |
| |
| //===--------------------------------------------------------------------===// |
| // Builder configuration methods |
| //===--------------------------------------------------------------------===// |
| |
| /// ClearInsertionPoint - Clear the insertion point: created instructions will |
| /// not be inserted into a block. |
| void ClearInsertionPoint() { |
| BB = 0; |
| } |
| |
| BasicBlock *GetInsertBlock() const { return BB; } |
| |
| /// SetInsertPoint - This specifies that created instructions should be |
| /// appended to the end of the specified block. |
| void SetInsertPoint(BasicBlock *TheBB) { |
| BB = TheBB; |
| InsertPt = BB->end(); |
| } |
| |
| /// SetInsertPoint - This specifies that created instructions should be |
| /// inserted at the specified point. |
| void SetInsertPoint(BasicBlock *TheBB, BasicBlock::iterator IP) { |
| BB = TheBB; |
| InsertPt = IP; |
| } |
| |
| /// Insert - Insert and return the specified instruction. |
| template<typename InstTy> |
| InstTy *Insert(InstTy *I, const char *Name = "") const { |
| InsertHelper(I, Name); |
| return I; |
| } |
| |
| /// InsertHelper - Insert the specified instruction at the specified insertion |
| /// point. This is split out of Insert so that it isn't duplicated for every |
| /// template instantiation. |
| void InsertHelper(Instruction *I, const char *Name) const { |
| if (BB) BB->getInstList().insert(InsertPt, I); |
| if (preserveNames && Name[0]) |
| I->setName(Name); |
| } |
| |
| //===--------------------------------------------------------------------===// |
| // Instruction creation methods: Terminators |
| //===--------------------------------------------------------------------===// |
| |
| /// CreateRetVoid - Create a 'ret void' instruction. |
| ReturnInst *CreateRetVoid() { |
| return Insert(ReturnInst::Create()); |
| } |
| |
| /// @verbatim |
| /// CreateRet - Create a 'ret <val>' instruction. |
| /// @endverbatim |
| ReturnInst *CreateRet(Value *V) { |
| return Insert(ReturnInst::Create(V)); |
| } |
| |
| /// CreateAggregateRet - Create a sequence of N insertvalue instructions, |
| /// with one Value from the retVals array each, that build a aggregate |
| /// return value one value at a time, and a ret instruction to return |
| /// the resulting aggregate value. This is a convenience function for |
| /// code that uses aggregate return values as a vehicle for having |
| /// multiple return values. |
| /// |
| ReturnInst *CreateAggregateRet(Value * const* retVals, unsigned N) { |
| const Type *RetType = BB->getParent()->getReturnType(); |
| Value *V = UndefValue::get(RetType); |
| for (unsigned i = 0; i != N; ++i) |
| V = CreateInsertValue(V, retVals[i], i, "mrv"); |
| return Insert(ReturnInst::Create(V)); |
| } |
| |
| /// CreateBr - Create an unconditional 'br label X' instruction. |
| BranchInst *CreateBr(BasicBlock *Dest) { |
| return Insert(BranchInst::Create(Dest)); |
| } |
| |
| /// CreateCondBr - Create a conditional 'br Cond, TrueDest, FalseDest' |
| /// instruction. |
| BranchInst *CreateCondBr(Value *Cond, BasicBlock *True, BasicBlock *False) { |
| return Insert(BranchInst::Create(True, False, Cond)); |
| } |
| |
| /// CreateSwitch - Create a switch instruction with the specified value, |
| /// default dest, and with a hint for the number of cases that will be added |
| /// (for efficient allocation). |
| SwitchInst *CreateSwitch(Value *V, BasicBlock *Dest, unsigned NumCases = 10) { |
| return Insert(SwitchInst::Create(V, Dest, NumCases)); |
| } |
| |
| /// CreateInvoke - Create an invoke instruction. |
| template<typename InputIterator> |
| InvokeInst *CreateInvoke(Value *Callee, BasicBlock *NormalDest, |
| BasicBlock *UnwindDest, InputIterator ArgBegin, |
| InputIterator ArgEnd, const char *Name = "") { |
| return Insert(InvokeInst::Create(Callee, NormalDest, UnwindDest, |
| ArgBegin, ArgEnd), Name); |
| } |
| |
| UnwindInst *CreateUnwind() { |
| return Insert(new UnwindInst()); |
| } |
| |
| UnreachableInst *CreateUnreachable() { |
| return Insert(new UnreachableInst()); |
| } |
| |
| //===--------------------------------------------------------------------===// |
| // Instruction creation methods: Binary Operators |
| //===--------------------------------------------------------------------===// |
| |
| Value *CreateAdd(Value *LHS, Value *RHS, const char *Name = "") { |
| if (Constant *LC = dyn_cast<Constant>(LHS)) |
| if (Constant *RC = dyn_cast<Constant>(RHS)) |
| return Folder.CreateAdd(LC, RC); |
| return Insert(BinaryOperator::CreateAdd(LHS, RHS), Name); |
| } |
| Value *CreateSub(Value *LHS, Value *RHS, const char *Name = "") { |
| if (Constant *LC = dyn_cast<Constant>(LHS)) |
| if (Constant *RC = dyn_cast<Constant>(RHS)) |
| return Folder.CreateSub(LC, RC); |
| return Insert(BinaryOperator::CreateSub(LHS, RHS), Name); |
| } |
| Value *CreateMul(Value *LHS, Value *RHS, const char *Name = "") { |
| if (Constant *LC = dyn_cast<Constant>(LHS)) |
| if (Constant *RC = dyn_cast<Constant>(RHS)) |
| return Folder.CreateMul(LC, RC); |
| return Insert(BinaryOperator::CreateMul(LHS, RHS), Name); |
| } |
| Value *CreateUDiv(Value *LHS, Value *RHS, const char *Name = "") { |
| if (Constant *LC = dyn_cast<Constant>(LHS)) |
| if (Constant *RC = dyn_cast<Constant>(RHS)) |
| return Folder.CreateUDiv(LC, RC); |
| return Insert(BinaryOperator::CreateUDiv(LHS, RHS), Name); |
| } |
| Value *CreateSDiv(Value *LHS, Value *RHS, const char *Name = "") { |
| if (Constant *LC = dyn_cast<Constant>(LHS)) |
| if (Constant *RC = dyn_cast<Constant>(RHS)) |
| return Folder.CreateSDiv(LC, RC); |
| return Insert(BinaryOperator::CreateSDiv(LHS, RHS), Name); |
| } |
| Value *CreateFDiv(Value *LHS, Value *RHS, const char *Name = "") { |
| if (Constant *LC = dyn_cast<Constant>(LHS)) |
| if (Constant *RC = dyn_cast<Constant>(RHS)) |
| return Folder.CreateFDiv(LC, RC); |
| return Insert(BinaryOperator::CreateFDiv(LHS, RHS), Name); |
| } |
| Value *CreateURem(Value *LHS, Value *RHS, const char *Name = "") { |
| if (Constant *LC = dyn_cast<Constant>(LHS)) |
| if (Constant *RC = dyn_cast<Constant>(RHS)) |
| return Folder.CreateURem(LC, RC); |
| return Insert(BinaryOperator::CreateURem(LHS, RHS), Name); |
| } |
| Value *CreateSRem(Value *LHS, Value *RHS, const char *Name = "") { |
| if (Constant *LC = dyn_cast<Constant>(LHS)) |
| if (Constant *RC = dyn_cast<Constant>(RHS)) |
| return Folder.CreateSRem(LC, RC); |
| return Insert(BinaryOperator::CreateSRem(LHS, RHS), Name); |
| } |
| Value *CreateFRem(Value *LHS, Value *RHS, const char *Name = "") { |
| if (Constant *LC = dyn_cast<Constant>(LHS)) |
| if (Constant *RC = dyn_cast<Constant>(RHS)) |
| return Folder.CreateFRem(LC, RC); |
| return Insert(BinaryOperator::CreateFRem(LHS, RHS), Name); |
| } |
| Value *CreateShl(Value *LHS, Value *RHS, const char *Name = "") { |
| if (Constant *LC = dyn_cast<Constant>(LHS)) |
| if (Constant *RC = dyn_cast<Constant>(RHS)) |
| return Folder.CreateShl(LC, RC); |
| return Insert(BinaryOperator::CreateShl(LHS, RHS), Name); |
| } |
| Value *CreateLShr(Value *LHS, Value *RHS, const char *Name = "") { |
| if (Constant *LC = dyn_cast<Constant>(LHS)) |
| if (Constant *RC = dyn_cast<Constant>(RHS)) |
| return Folder.CreateLShr(LC, RC); |
| return Insert(BinaryOperator::CreateLShr(LHS, RHS), Name); |
| } |
| Value *CreateAShr(Value *LHS, Value *RHS, const char *Name = "") { |
| if (Constant *LC = dyn_cast<Constant>(LHS)) |
| if (Constant *RC = dyn_cast<Constant>(RHS)) |
| return Folder.CreateAShr(LC, RC); |
| return Insert(BinaryOperator::CreateAShr(LHS, RHS), Name); |
| } |
| Value *CreateAnd(Value *LHS, Value *RHS, const char *Name = "") { |
| if (Constant *LC = dyn_cast<Constant>(LHS)) |
| if (Constant *RC = dyn_cast<Constant>(RHS)) |
| return Folder.CreateAnd(LC, RC); |
| return Insert(BinaryOperator::CreateAnd(LHS, RHS), Name); |
| } |
| Value *CreateOr(Value *LHS, Value *RHS, const char *Name = "") { |
| if (Constant *LC = dyn_cast<Constant>(LHS)) |
| if (Constant *RC = dyn_cast<Constant>(RHS)) |
| return Folder.CreateOr(LC, RC); |
| return Insert(BinaryOperator::CreateOr(LHS, RHS), Name); |
| } |
| Value *CreateXor(Value *LHS, Value *RHS, const char *Name = "") { |
| if (Constant *LC = dyn_cast<Constant>(LHS)) |
| if (Constant *RC = dyn_cast<Constant>(RHS)) |
| return Folder.CreateXor(LC, RC); |
| return Insert(BinaryOperator::CreateXor(LHS, RHS), Name); |
| } |
| |
| Value *CreateBinOp(Instruction::BinaryOps Opc, |
| Value *LHS, Value *RHS, const char *Name = "") { |
| if (Constant *LC = dyn_cast<Constant>(LHS)) |
| if (Constant *RC = dyn_cast<Constant>(RHS)) |
| return Folder.CreateBinOp(Opc, LC, RC); |
| return Insert(BinaryOperator::Create(Opc, LHS, RHS), Name); |
| } |
| |
| Value *CreateNeg(Value *V, const char *Name = "") { |
| if (Constant *VC = dyn_cast<Constant>(V)) |
| return Folder.CreateNeg(VC); |
| return Insert(BinaryOperator::CreateNeg(V), Name); |
| } |
| Value *CreateNot(Value *V, const char *Name = "") { |
| if (Constant *VC = dyn_cast<Constant>(V)) |
| return Folder.CreateNot(VC); |
| return Insert(BinaryOperator::CreateNot(V), Name); |
| } |
| |
| //===--------------------------------------------------------------------===// |
| // Instruction creation methods: Memory Instructions |
| //===--------------------------------------------------------------------===// |
| |
| MallocInst *CreateMalloc(const Type *Ty, Value *ArraySize = 0, |
| const char *Name = "") { |
| return Insert(new MallocInst(Ty, ArraySize), Name); |
| } |
| AllocaInst *CreateAlloca(const Type *Ty, Value *ArraySize = 0, |
| const char *Name = "") { |
| return Insert(new AllocaInst(Ty, ArraySize), Name); |
| } |
| FreeInst *CreateFree(Value *Ptr) { |
| return Insert(new FreeInst(Ptr)); |
| } |
| LoadInst *CreateLoad(Value *Ptr, const char *Name = "") { |
| return Insert(new LoadInst(Ptr), Name); |
| } |
| LoadInst *CreateLoad(Value *Ptr, bool isVolatile, const char *Name = "") { |
| return Insert(new LoadInst(Ptr, 0, isVolatile), Name); |
| } |
| StoreInst *CreateStore(Value *Val, Value *Ptr, bool isVolatile = false) { |
| return Insert(new StoreInst(Val, Ptr, isVolatile)); |
| } |
| template<typename InputIterator> |
| Value *CreateGEP(Value *Ptr, InputIterator IdxBegin, InputIterator IdxEnd, |
| const char *Name = "") { |
| if (Constant *PC = dyn_cast<Constant>(Ptr)) { |
| // Every index must be constant. |
| InputIterator i; |
| for (i = IdxBegin; i < IdxEnd; ++i) { |
| if (!dyn_cast<Constant>(*i)) |
| break; |
| } |
| if (i == IdxEnd) |
| return Folder.CreateGetElementPtr(PC, &IdxBegin[0], IdxEnd - IdxBegin); |
| } |
| return Insert(GetElementPtrInst::Create(Ptr, IdxBegin, IdxEnd), Name); |
| } |
| Value *CreateGEP(Value *Ptr, Value *Idx, const char *Name = "") { |
| if (Constant *PC = dyn_cast<Constant>(Ptr)) |
| if (Constant *IC = dyn_cast<Constant>(Idx)) |
| return Folder.CreateGetElementPtr(PC, &IC, 1); |
| return Insert(GetElementPtrInst::Create(Ptr, Idx), Name); |
| } |
| Value *CreateStructGEP(Value *Ptr, unsigned Idx, const char *Name = "") { |
| llvm::Value *Idxs[] = { |
| ConstantInt::get(llvm::Type::Int32Ty, 0), |
| ConstantInt::get(llvm::Type::Int32Ty, Idx) |
| }; |
| |
| if (Constant *PC = dyn_cast<Constant>(Ptr)) |
| return Folder.CreateGetElementPtr(PC, Idxs, 2); |
| |
| return Insert(GetElementPtrInst::Create(Ptr, Idxs, Idxs+2), Name); |
| } |
| Value *CreateGlobalString(const char *Str = "", const char *Name = "") { |
| Constant *StrConstant = ConstantArray::get(Str, true); |
| GlobalVariable *gv = new llvm::GlobalVariable(StrConstant->getType(), |
| true, |
| GlobalValue::InternalLinkage, |
| StrConstant, |
| "", |
| BB->getParent()->getParent(), |
| false); |
| gv->setName(Name); |
| return gv; |
| } |
| Value *CreateGlobalStringPtr(const char *Str = "", const char *Name = "") { |
| Value *gv = CreateGlobalString(Str, Name); |
| Value *zero = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0); |
| Value *Args[] = { zero, zero }; |
| return CreateGEP(gv, Args, Args+2, Name); |
| } |
| //===--------------------------------------------------------------------===// |
| // Instruction creation methods: Cast/Conversion Operators |
| //===--------------------------------------------------------------------===// |
| |
| Value *CreateTrunc(Value *V, const Type *DestTy, const char *Name = "") { |
| return CreateCast(Instruction::Trunc, V, DestTy, Name); |
| } |
| Value *CreateZExt(Value *V, const Type *DestTy, const char *Name = "") { |
| return CreateCast(Instruction::ZExt, V, DestTy, Name); |
| } |
| Value *CreateSExt(Value *V, const Type *DestTy, const char *Name = "") { |
| return CreateCast(Instruction::SExt, V, DestTy, Name); |
| } |
| Value *CreateFPToUI(Value *V, const Type *DestTy, const char *Name = ""){ |
| return CreateCast(Instruction::FPToUI, V, DestTy, Name); |
| } |
| Value *CreateFPToSI(Value *V, const Type *DestTy, const char *Name = ""){ |
| return CreateCast(Instruction::FPToSI, V, DestTy, Name); |
| } |
| Value *CreateUIToFP(Value *V, const Type *DestTy, const char *Name = ""){ |
| return CreateCast(Instruction::UIToFP, V, DestTy, Name); |
| } |
| Value *CreateSIToFP(Value *V, const Type *DestTy, const char *Name = ""){ |
| return CreateCast(Instruction::SIToFP, V, DestTy, Name); |
| } |
| Value *CreateFPTrunc(Value *V, const Type *DestTy, |
| const char *Name = "") { |
| return CreateCast(Instruction::FPTrunc, V, DestTy, Name); |
| } |
| Value *CreateFPExt(Value *V, const Type *DestTy, const char *Name = "") { |
| return CreateCast(Instruction::FPExt, V, DestTy, Name); |
| } |
| Value *CreatePtrToInt(Value *V, const Type *DestTy, |
| const char *Name = "") { |
| return CreateCast(Instruction::PtrToInt, V, DestTy, Name); |
| } |
| Value *CreateIntToPtr(Value *V, const Type *DestTy, |
| const char *Name = "") { |
| return CreateCast(Instruction::IntToPtr, V, DestTy, Name); |
| } |
| Value *CreateBitCast(Value *V, const Type *DestTy, |
| const char *Name = "") { |
| return CreateCast(Instruction::BitCast, V, DestTy, Name); |
| } |
| |
| Value *CreateCast(Instruction::CastOps Op, Value *V, const Type *DestTy, |
| const char *Name = "") { |
| if (V->getType() == DestTy) |
| return V; |
| if (Constant *VC = dyn_cast<Constant>(V)) |
| return Folder.CreateCast(Op, VC, DestTy); |
| return Insert(CastInst::Create(Op, V, DestTy), Name); |
| } |
| Value *CreateIntCast(Value *V, const Type *DestTy, bool isSigned, |
| const char *Name = "") { |
| if (V->getType() == DestTy) |
| return V; |
| if (Constant *VC = dyn_cast<Constant>(V)) |
| return Folder.CreateIntCast(VC, DestTy, isSigned); |
| return Insert(CastInst::CreateIntegerCast(V, DestTy, isSigned), Name); |
| } |
| |
| //===--------------------------------------------------------------------===// |
| // Instruction creation methods: Compare Instructions |
| //===--------------------------------------------------------------------===// |
| |
| Value *CreateICmpEQ(Value *LHS, Value *RHS, const char *Name = "") { |
| return CreateICmp(ICmpInst::ICMP_EQ, LHS, RHS, Name); |
| } |
| Value *CreateICmpNE(Value *LHS, Value *RHS, const char *Name = "") { |
| return CreateICmp(ICmpInst::ICMP_NE, LHS, RHS, Name); |
| } |
| Value *CreateICmpUGT(Value *LHS, Value *RHS, const char *Name = "") { |
| return CreateICmp(ICmpInst::ICMP_UGT, LHS, RHS, Name); |
| } |
| Value *CreateICmpUGE(Value *LHS, Value *RHS, const char *Name = "") { |
| return CreateICmp(ICmpInst::ICMP_UGE, LHS, RHS, Name); |
| } |
| Value *CreateICmpULT(Value *LHS, Value *RHS, const char *Name = "") { |
| return CreateICmp(ICmpInst::ICMP_ULT, LHS, RHS, Name); |
| } |
| Value *CreateICmpULE(Value *LHS, Value *RHS, const char *Name = "") { |
| return CreateICmp(ICmpInst::ICMP_ULE, LHS, RHS, Name); |
| } |
| Value *CreateICmpSGT(Value *LHS, Value *RHS, const char *Name = "") { |
| return CreateICmp(ICmpInst::ICMP_SGT, LHS, RHS, Name); |
| } |
| Value *CreateICmpSGE(Value *LHS, Value *RHS, const char *Name = "") { |
| return CreateICmp(ICmpInst::ICMP_SGE, LHS, RHS, Name); |
| } |
| Value *CreateICmpSLT(Value *LHS, Value *RHS, const char *Name = "") { |
| return CreateICmp(ICmpInst::ICMP_SLT, LHS, RHS, Name); |
| } |
| Value *CreateICmpSLE(Value *LHS, Value *RHS, const char *Name = "") { |
| return CreateICmp(ICmpInst::ICMP_SLE, LHS, RHS, Name); |
| } |
| |
| Value *CreateFCmpOEQ(Value *LHS, Value *RHS, const char *Name = "") { |
| return CreateFCmp(FCmpInst::FCMP_OEQ, LHS, RHS, Name); |
| } |
| Value *CreateFCmpOGT(Value *LHS, Value *RHS, const char *Name = "") { |
| return CreateFCmp(FCmpInst::FCMP_OGT, LHS, RHS, Name); |
| } |
| Value *CreateFCmpOGE(Value *LHS, Value *RHS, const char *Name = "") { |
| return CreateFCmp(FCmpInst::FCMP_OGE, LHS, RHS, Name); |
| } |
| Value *CreateFCmpOLT(Value *LHS, Value *RHS, const char *Name = "") { |
| return CreateFCmp(FCmpInst::FCMP_OLT, LHS, RHS, Name); |
| } |
| Value *CreateFCmpOLE(Value *LHS, Value *RHS, const char *Name = "") { |
| return CreateFCmp(FCmpInst::FCMP_OLE, LHS, RHS, Name); |
| } |
| Value *CreateFCmpONE(Value *LHS, Value *RHS, const char *Name = "") { |
| return CreateFCmp(FCmpInst::FCMP_ONE, LHS, RHS, Name); |
| } |
| Value *CreateFCmpORD(Value *LHS, Value *RHS, const char *Name = "") { |
| return CreateFCmp(FCmpInst::FCMP_ORD, LHS, RHS, Name); |
| } |
| Value *CreateFCmpUNO(Value *LHS, Value *RHS, const char *Name = "") { |
| return CreateFCmp(FCmpInst::FCMP_UNO, LHS, RHS, Name); |
| } |
| Value *CreateFCmpUEQ(Value *LHS, Value *RHS, const char *Name = "") { |
| return CreateFCmp(FCmpInst::FCMP_UEQ, LHS, RHS, Name); |
| } |
| Value *CreateFCmpUGT(Value *LHS, Value *RHS, const char *Name = "") { |
| return CreateFCmp(FCmpInst::FCMP_UGT, LHS, RHS, Name); |
| } |
| Value *CreateFCmpUGE(Value *LHS, Value *RHS, const char *Name = "") { |
| return CreateFCmp(FCmpInst::FCMP_UGE, LHS, RHS, Name); |
| } |
| Value *CreateFCmpULT(Value *LHS, Value *RHS, const char *Name = "") { |
| return CreateFCmp(FCmpInst::FCMP_ULT, LHS, RHS, Name); |
| } |
| Value *CreateFCmpULE(Value *LHS, Value *RHS, const char *Name = "") { |
| return CreateFCmp(FCmpInst::FCMP_ULE, LHS, RHS, Name); |
| } |
| Value *CreateFCmpUNE(Value *LHS, Value *RHS, const char *Name = "") { |
| return CreateFCmp(FCmpInst::FCMP_UNE, LHS, RHS, Name); |
| } |
| |
| Value *CreateICmp(CmpInst::Predicate P, Value *LHS, Value *RHS, |
| const char *Name = "") { |
| if (Constant *LC = dyn_cast<Constant>(LHS)) |
| if (Constant *RC = dyn_cast<Constant>(RHS)) |
| return Folder.CreateICmp(P, LC, RC); |
| return Insert(new ICmpInst(P, LHS, RHS), Name); |
| } |
| Value *CreateFCmp(CmpInst::Predicate P, Value *LHS, Value *RHS, |
| const char *Name = "") { |
| if (Constant *LC = dyn_cast<Constant>(LHS)) |
| if (Constant *RC = dyn_cast<Constant>(RHS)) |
| return Folder.CreateFCmp(P, LC, RC); |
| return Insert(new FCmpInst(P, LHS, RHS), Name); |
| } |
| |
| Value *CreateVICmp(CmpInst::Predicate P, Value *LHS, Value *RHS, |
| const char *Name = "") { |
| if (Constant *LC = dyn_cast<Constant>(LHS)) |
| if (Constant *RC = dyn_cast<Constant>(RHS)) |
| return Folder.CreateVICmp(P, LC, RC); |
| return Insert(new VICmpInst(P, LHS, RHS), Name); |
| } |
| Value *CreateVFCmp(CmpInst::Predicate P, Value *LHS, Value *RHS, |
| const char *Name = "") { |
| if (Constant *LC = dyn_cast<Constant>(LHS)) |
| if (Constant *RC = dyn_cast<Constant>(RHS)) |
| return Folder.CreateVFCmp(P, LC, RC); |
| return Insert(new VFCmpInst(P, LHS, RHS), Name); |
| } |
| |
| //===--------------------------------------------------------------------===// |
| // Instruction creation methods: Other Instructions |
| //===--------------------------------------------------------------------===// |
| |
| PHINode *CreatePHI(const Type *Ty, const char *Name = "") { |
| return Insert(PHINode::Create(Ty), Name); |
| } |
| |
| CallInst *CreateCall(Value *Callee, const char *Name = "") { |
| return Insert(CallInst::Create(Callee), Name); |
| } |
| CallInst *CreateCall(Value *Callee, Value *Arg, const char *Name = "") { |
| return Insert(CallInst::Create(Callee, Arg), Name); |
| } |
| CallInst *CreateCall2(Value *Callee, Value *Arg1, Value *Arg2, |
| const char *Name = "") { |
| Value *Args[] = { Arg1, Arg2 }; |
| return Insert(CallInst::Create(Callee, Args, Args+2), Name); |
| } |
| CallInst *CreateCall3(Value *Callee, Value *Arg1, Value *Arg2, Value *Arg3, |
| const char *Name = "") { |
| Value *Args[] = { Arg1, Arg2, Arg3 }; |
| return Insert(CallInst::Create(Callee, Args, Args+3), Name); |
| } |
| CallInst *CreateCall4(Value *Callee, Value *Arg1, Value *Arg2, Value *Arg3, |
| Value *Arg4, const char *Name = "") { |
| Value *Args[] = { Arg1, Arg2, Arg3, Arg4 }; |
| return Insert(CallInst::Create(Callee, Args, Args+4), Name); |
| } |
| |
| template<typename InputIterator> |
| CallInst *CreateCall(Value *Callee, InputIterator ArgBegin, |
| InputIterator ArgEnd, const char *Name = "") { |
| return Insert(CallInst::Create(Callee, ArgBegin, ArgEnd), Name); |
| } |
| |
| Value *CreateSelect(Value *C, Value *True, Value *False, |
| const char *Name = "") { |
| if (Constant *CC = dyn_cast<Constant>(C)) |
| if (Constant *TC = dyn_cast<Constant>(True)) |
| if (Constant *FC = dyn_cast<Constant>(False)) |
| return Folder.CreateSelect(CC, TC, FC); |
| return Insert(SelectInst::Create(C, True, False), Name); |
| } |
| |
| VAArgInst *CreateVAArg(Value *List, const Type *Ty, const char *Name = "") { |
| return Insert(new VAArgInst(List, Ty), Name); |
| } |
| |
| Value *CreateExtractElement(Value *Vec, Value *Idx, |
| const char *Name = "") { |
| if (Constant *VC = dyn_cast<Constant>(Vec)) |
| if (Constant *IC = dyn_cast<Constant>(Idx)) |
| return Folder.CreateExtractElement(VC, IC); |
| return Insert(new ExtractElementInst(Vec, Idx), Name); |
| } |
| |
| Value *CreateInsertElement(Value *Vec, Value *NewElt, Value *Idx, |
| const char *Name = "") { |
| if (Constant *VC = dyn_cast<Constant>(Vec)) |
| if (Constant *NC = dyn_cast<Constant>(NewElt)) |
| if (Constant *IC = dyn_cast<Constant>(Idx)) |
| return Folder.CreateInsertElement(VC, NC, IC); |
| return Insert(InsertElementInst::Create(Vec, NewElt, Idx), Name); |
| } |
| |
| Value *CreateShuffleVector(Value *V1, Value *V2, Value *Mask, |
| const char *Name = "") { |
| if (Constant *V1C = dyn_cast<Constant>(V1)) |
| if (Constant *V2C = dyn_cast<Constant>(V2)) |
| if (Constant *MC = dyn_cast<Constant>(Mask)) |
| return Folder.CreateShuffleVector(V1C, V2C, MC); |
| return Insert(new ShuffleVectorInst(V1, V2, Mask), Name); |
| } |
| |
| Value *CreateExtractValue(Value *Agg, unsigned Idx, |
| const char *Name = "") { |
| if (Constant *AggC = dyn_cast<Constant>(Agg)) |
| return Folder.CreateExtractValue(AggC, &Idx, 1); |
| return Insert(ExtractValueInst::Create(Agg, Idx), Name); |
| } |
| |
| template<typename InputIterator> |
| Value *CreateExtractValue(Value *Agg, |
| InputIterator IdxBegin, |
| InputIterator IdxEnd, |
| const char *Name = "") { |
| if (Constant *AggC = dyn_cast<Constant>(Agg)) |
| return Folder.CreateExtractValue(AggC, IdxBegin, IdxEnd - IdxBegin); |
| return Insert(ExtractValueInst::Create(Agg, IdxBegin, IdxEnd), Name); |
| } |
| |
| Value *CreateInsertValue(Value *Agg, Value *Val, unsigned Idx, |
| const char *Name = "") { |
| if (Constant *AggC = dyn_cast<Constant>(Agg)) |
| if (Constant *ValC = dyn_cast<Constant>(Val)) |
| return Folder.CreateInsertValue(AggC, ValC, &Idx, 1); |
| return Insert(InsertValueInst::Create(Agg, Val, Idx), Name); |
| } |
| |
| template<typename InputIterator> |
| Value *CreateInsertValue(Value *Agg, Value *Val, |
| InputIterator IdxBegin, |
| InputIterator IdxEnd, |
| const char *Name = "") { |
| if (Constant *AggC = dyn_cast<Constant>(Agg)) |
| if (Constant *ValC = dyn_cast<Constant>(Val)) |
| return Folder.CreateInsertValue(AggC, ValC, |
| IdxBegin, IdxEnd - IdxBegin); |
| return Insert(InsertValueInst::Create(Agg, Val, IdxBegin, IdxEnd), Name); |
| } |
| |
| //===--------------------------------------------------------------------===// |
| // Utility creation methods |
| //===--------------------------------------------------------------------===// |
| |
| /// CreateIsNull - Return an i1 value testing if \arg Arg is null. |
| Value *CreateIsNull(Value *Arg, const char *Name = "") { |
| return CreateICmpEQ(Arg, llvm::Constant::getNullValue(Arg->getType()), |
| Name); |
| } |
| |
| /// CreateIsNotNull - Return an i1 value testing if \arg Arg is not null. |
| Value *CreateIsNotNull(Value *Arg, const char *Name = "") { |
| return CreateICmpNE(Arg, llvm::Constant::getNullValue(Arg->getType()), |
| Name); |
| } |
| |
| }; |
| |
| } |
| |
| #endif |
