#ifndef LLVM_SUPPORT_IRBUILDER_H
#define LLVM_SUPPORT_IRBUILDER_H
-#include "llvm/BasicBlock.h"
#include "llvm/Constants.h"
#include "llvm/Instructions.h"
+#include "llvm/GlobalAlias.h"
#include "llvm/GlobalVariable.h"
#include "llvm/Function.h"
+#include "llvm/LLVMContext.h"
#include "llvm/Support/ConstantFolder.h"
namespace llvm {
template <bool preserveNames=true, typename T = ConstantFolder> class IRBuilder{
BasicBlock *BB;
BasicBlock::iterator InsertPt;
+ LLVMContext &Context;
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); }
+ IRBuilder(LLVMContext &C, const T& F) :
+ Context(C), Folder(F) { ClearInsertionPoint(); }
+
+ explicit IRBuilder(LLVMContext &C) : Context(C), Folder(C) {
+ ClearInsertionPoint();
+ }
+
+ explicit IRBuilder(BasicBlock *TheBB, const T& F)
+ : Context(TheBB->getContext()), Folder(F) {
+ SetInsertPoint(TheBB);
+ }
+
+ explicit IRBuilder(BasicBlock *TheBB)
+ : Context(TheBB->getContext()), Folder(Context) {
+ SetInsertPoint(TheBB);
+ }
+
+ IRBuilder(BasicBlock *TheBB, BasicBlock::iterator IP, const T& F)
+ : Context(TheBB->getContext()), Folder(F) {
+ SetInsertPoint(TheBB, IP);
+ }
+
+ IRBuilder(BasicBlock *TheBB, BasicBlock::iterator IP)
+ : Context(TheBB->getContext()), Folder(Context) {
+ SetInsertPoint(TheBB, IP);
+ }
/// getFolder - Get the constant folder being used.
const T& getFolder() { return Folder; }
+ /// isNamePreserving - Return true if this builder is configured to actually
+ /// add the requested names to IR created through it.
+ bool isNamePreserving() const { return preserveNames; }
+
//===--------------------------------------------------------------------===//
// Builder configuration methods
//===--------------------------------------------------------------------===//
BasicBlock *GetInsertBlock() const { return BB; }
+ BasicBlock::iterator GetInsertPoint() const { return InsertPt; }
+
/// SetInsertPoint - This specifies that created instructions should be
/// appended to the end of the specified block.
void SetInsertPoint(BasicBlock *TheBB) {
I->setName(Name);
}
+ //===--------------------------------------------------------------------===//
+ // Type creation methods
+ //===--------------------------------------------------------------------===//
+
+ const Type *getInt1Ty() {
+ return Type::getInt1Ty(Context);
+ }
+
+ const Type *getInt8Ty() {
+ return Type::getInt8Ty(Context);
+ }
+
+ const Type *getInt16Ty() {
+ return Type::getInt16Ty(Context);
+ }
+
+ const Type *getInt32Ty() {
+ return Type::getInt32Ty(Context);
+ }
+
+ const Type *getInt64Ty() {
+ return Type::getInt64Ty(Context);
+ }
+
+ const Type *getFloatTy() {
+ return Type::getFloatTy(Context);
+ }
+
+ const Type *getDoubleTy() {
+ return Type::getDoubleTy(Context);
+ }
+
+ const Type *getVoidTy() {
+ return Type::getVoidTy(Context);
+ }
+
//===--------------------------------------------------------------------===//
// Instruction creation methods: Terminators
//===--------------------------------------------------------------------===//
/// CreateRetVoid - Create a 'ret void' instruction.
ReturnInst *CreateRetVoid() {
- return Insert(ReturnInst::Create());
+ return Insert(ReturnInst::Create(getGlobalContext()));
}
/// @verbatim
/// CreateRet - Create a 'ret <val>' instruction.
/// @endverbatim
ReturnInst *CreateRet(Value *V) {
- return Insert(ReturnInst::Create(V));
+ return Insert(ReturnInst::Create(getGlobalContext(), V));
}
/// CreateAggregateRet - Create a sequence of N insertvalue instructions,
Value *V = UndefValue::get(RetType);
for (unsigned i = 0; i != N; ++i)
V = CreateInsertValue(V, retVals[i], i, "mrv");
- return Insert(ReturnInst::Create(V));
+ return Insert(ReturnInst::Create(getGlobalContext(), V));
}
/// CreateBr - Create an unconditional 'br label X' instruction.
}
UnwindInst *CreateUnwind() {
- return Insert(new UnwindInst());
+ return Insert(new UnwindInst(Context));
}
UnreachableInst *CreateUnreachable() {
- return Insert(new UnreachableInst());
+ return Insert(new UnreachableInst(Context));
}
//===--------------------------------------------------------------------===//
return Folder.CreateAdd(LC, RC);
return Insert(BinaryOperator::CreateAdd(LHS, RHS), Name);
}
+ Value *CreateNSWAdd(Value *LHS, Value *RHS, const char *Name = "") {
+ if (Constant *LC = dyn_cast<Constant>(LHS))
+ if (Constant *RC = dyn_cast<Constant>(RHS))
+ return Folder.CreateNSWAdd(LC, RC);
+ return Insert(BinaryOperator::CreateNSWAdd(LHS, RHS), Name);
+ }
+ Value *CreateFAdd(Value *LHS, Value *RHS, const char *Name = "") {
+ if (Constant *LC = dyn_cast<Constant>(LHS))
+ if (Constant *RC = dyn_cast<Constant>(RHS))
+ return Folder.CreateFAdd(LC, RC);
+ return Insert(BinaryOperator::CreateFAdd(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 *CreateFSub(Value *LHS, Value *RHS, const char *Name = "") {
+ if (Constant *LC = dyn_cast<Constant>(LHS))
+ if (Constant *RC = dyn_cast<Constant>(RHS))
+ return Folder.CreateFSub(LC, RC);
+ return Insert(BinaryOperator::CreateFSub(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 *CreateFMul(Value *LHS, Value *RHS, const char *Name = "") {
+ if (Constant *LC = dyn_cast<Constant>(LHS))
+ if (Constant *RC = dyn_cast<Constant>(RHS))
+ return Folder.CreateFMul(LC, RC);
+ return Insert(BinaryOperator::CreateFMul(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.CreateSDiv(LC, RC);
return Insert(BinaryOperator::CreateSDiv(LHS, RHS), Name);
}
+ Value *CreateExactSDiv(Value *LHS, Value *RHS, const char *Name = "") {
+ if (Constant *LC = dyn_cast<Constant>(LHS))
+ if (Constant *RC = dyn_cast<Constant>(RHS))
+ return Folder.CreateExactSDiv(LC, RC);
+ return Insert(BinaryOperator::CreateExactSDiv(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.CreateNeg(VC);
return Insert(BinaryOperator::CreateNeg(V), Name);
}
+ Value *CreateFNeg(Value *V, const char *Name = "") {
+ if (Constant *VC = dyn_cast<Constant>(V))
+ return Folder.CreateFNeg(VC);
+ return Insert(BinaryOperator::CreateFNeg(V), Name);
+ }
Value *CreateNot(Value *V, const char *Name = "") {
if (Constant *VC = dyn_cast<Constant>(V))
return Folder.CreateNot(VC);
return Insert(new StoreInst(Val, Ptr, isVolatile));
}
template<typename InputIterator>
- Value *CreateGEP(Value *Ptr, InputIterator IdxBegin,
- InputIterator IdxEnd, const char *Name = "") {
-
+ 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))
+ for (i = IdxBegin; i < IdxEnd; ++i)
+ if (!isa<Constant>(*i))
break;
- }
if (i == IdxEnd)
return Folder.CreateGetElementPtr(PC, &IdxBegin[0], IdxEnd - IdxBegin);
}
return Insert(GetElementPtrInst::Create(Ptr, IdxBegin, IdxEnd), Name);
}
+ template<typename InputIterator>
+ Value *CreateInBoundsGEP(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 (!isa<Constant>(*i))
+ break;
+ if (i == IdxEnd)
+ return Folder.CreateInBoundsGetElementPtr(PC,
+ &IdxBegin[0],
+ IdxEnd - IdxBegin);
+ }
+ return Insert(GetElementPtrInst::CreateInBounds(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)
+ Value *CreateInBoundsGEP(Value *Ptr, Value *Idx, const char *Name = "") {
+ if (Constant *PC = dyn_cast<Constant>(Ptr))
+ if (Constant *IC = dyn_cast<Constant>(Idx))
+ return Folder.CreateInBoundsGetElementPtr(PC, &IC, 1);
+ return Insert(GetElementPtrInst::CreateInBounds(Ptr, Idx), Name);
+ }
+ Value *CreateConstGEP1_32(Value *Ptr, unsigned Idx0, const char *Name = "") {
+ Value *Idx = ConstantInt::get(Type::getInt32Ty(Context), Idx0);
+
+ if (Constant *PC = dyn_cast<Constant>(Ptr))
+ return Folder.CreateGetElementPtr(PC, &Idx, 1);
+
+ return Insert(GetElementPtrInst::Create(Ptr, &Idx, &Idx+1), Name);
+ }
+ Value *CreateConstInBoundsGEP1_32(Value *Ptr, unsigned Idx0,
+ const char *Name = "") {
+ Value *Idx = ConstantInt::get(Type::getInt32Ty(Context), Idx0);
+
+ if (Constant *PC = dyn_cast<Constant>(Ptr))
+ return Folder.CreateInBoundsGetElementPtr(PC, &Idx, 1);
+
+ return Insert(GetElementPtrInst::CreateInBounds(Ptr, &Idx, &Idx+1), Name);
+ }
+ Value *CreateConstGEP2_32(Value *Ptr, unsigned Idx0, unsigned Idx1,
+ const char *Name = "") {
+ Value *Idxs[] = {
+ ConstantInt::get(Type::getInt32Ty(Context), Idx0),
+ ConstantInt::get(Type::getInt32Ty(Context), Idx1)
};
if (Constant *PC = dyn_cast<Constant>(Ptr))
return Folder.CreateGetElementPtr(PC, Idxs, 2);
- return Insert(GetElementPtrInst::Create(Ptr, Idxs, Idxs+2), Name);
+ return Insert(GetElementPtrInst::Create(Ptr, Idxs, Idxs+2), Name);
+ }
+ Value *CreateConstInBoundsGEP2_32(Value *Ptr, unsigned Idx0, unsigned Idx1,
+ const char *Name = "") {
+ Value *Idxs[] = {
+ ConstantInt::get(Type::getInt32Ty(Context), Idx0),
+ ConstantInt::get(Type::getInt32Ty(Context), Idx1)
+ };
+
+ if (Constant *PC = dyn_cast<Constant>(Ptr))
+ return Folder.CreateInBoundsGetElementPtr(PC, Idxs, 2);
+
+ return Insert(GetElementPtrInst::CreateInBounds(Ptr, Idxs, Idxs+2), Name);
+ }
+ Value *CreateConstGEP1_64(Value *Ptr, uint64_t Idx0, const char *Name = "") {
+ Value *Idx = ConstantInt::get(Type::getInt64Ty(Context), Idx0);
+
+ if (Constant *PC = dyn_cast<Constant>(Ptr))
+ return Folder.CreateGetElementPtr(PC, &Idx, 1);
+
+ return Insert(GetElementPtrInst::Create(Ptr, &Idx, &Idx+1), Name);
+ }
+ Value *CreateConstInBoundsGEP1_64(Value *Ptr, uint64_t Idx0,
+ const char *Name = "") {
+ Value *Idx = ConstantInt::get(Type::getInt64Ty(Context), Idx0);
+
+ if (Constant *PC = dyn_cast<Constant>(Ptr))
+ return Folder.CreateInBoundsGetElementPtr(PC, &Idx, 1);
+
+ return Insert(GetElementPtrInst::CreateInBounds(Ptr, &Idx, &Idx+1), Name);
+ }
+ Value *CreateConstGEP2_64(Value *Ptr, uint64_t Idx0, uint64_t Idx1,
+ const char *Name = "") {
+ Value *Idxs[] = {
+ ConstantInt::get(Type::getInt64Ty(Context), Idx0),
+ ConstantInt::get(Type::getInt64Ty(Context), Idx1)
+ };
+
+ if (Constant *PC = dyn_cast<Constant>(Ptr))
+ return Folder.CreateGetElementPtr(PC, Idxs, 2);
+
+ return Insert(GetElementPtrInst::Create(Ptr, Idxs, Idxs+2), Name);
+ }
+ Value *CreateConstInBoundsGEP2_64(Value *Ptr, uint64_t Idx0, uint64_t Idx1,
+ const char *Name = "") {
+ Value *Idxs[] = {
+ ConstantInt::get(Type::getInt64Ty(Context), Idx0),
+ ConstantInt::get(Type::getInt64Ty(Context), Idx1)
+ };
+
+ if (Constant *PC = dyn_cast<Constant>(Ptr))
+ return Folder.CreateInBoundsGetElementPtr(PC, Idxs, 2);
+
+ return Insert(GetElementPtrInst::CreateInBounds(Ptr, Idxs, Idxs+2), Name);
+ }
+ Value *CreateStructGEP(Value *Ptr, unsigned Idx, const char *Name = "") {
+ return CreateConstInBoundsGEP2_32(Ptr, 0, Idx, 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);
+ Constant *StrConstant = ConstantArray::get(Context, Str, true);
+ Module &M = *BB->getParent()->getParent();
+ GlobalVariable *gv = new GlobalVariable(M,
+ StrConstant->getType(),
+ true,
+ GlobalValue::InternalLinkage,
+ StrConstant,
+ "",
+ 0,
+ 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 *zero = ConstantInt::get(Type::getInt32Ty(Context), 0);
Value *Args[] = { zero, zero };
- return CreateGEP(gv, Args, Args+2, Name);
+ return CreateInBoundsGEP(gv, Args, Args+2, Name);
}
//===--------------------------------------------------------------------===//
// Instruction creation methods: Cast/Conversion Operators
}
Value *CreateCast(Instruction::CastOps Op, Value *V, const Type *DestTy,
- const char *Name = "") {
+ const char *Name = "") {
if (V->getType() == DestTy)
return V;
if (Constant *VC = dyn_cast<Constant>(V))
return Insert(CastInst::Create(Op, V, DestTy), Name);
}
Value *CreateIntCast(Value *V, const Type *DestTy, bool isSigned,
- const char *Name = "") {
+ const char *Name = "") {
if (V->getType() == DestTy)
return V;
if (Constant *VC = dyn_cast<Constant>(V))
const char *Name = "") {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
- return Folder.CreateCompare(P, LC, RC);
- return Insert(new ICmpInst(P, LHS, RHS), Name);
+ return Folder.CreateICmp(P, LC, RC);
+ return Insert(new ICmpInst(Context, 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.CreateCompare(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.CreateCompare(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.CreateCompare(P, LC, RC);
- return Insert(new VFCmpInst(P, LHS, RHS), Name);
+ return Folder.CreateFCmp(P, LC, RC);
+ return Insert(new FCmpInst(Context, P, LHS, RHS), Name);
}
//===--------------------------------------------------------------------===//
}
Value *CreateExtractElement(Value *Vec, Value *Idx,
- const char *Name = "") {
+ 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);
+ return Insert(ExtractElementInst::Create(Vec, Idx), Name);
}
Value *CreateInsertElement(Value *Vec, Value *NewElt, Value *Idx,
}
Value *CreateShuffleVector(Value *V1, Value *V2, Value *Mask,
- const char *Name = "") {
+ const char *Name = "") {
if (Constant *V1C = dyn_cast<Constant>(V1))
if (Constant *V2C = dyn_cast<Constant>(V2))
if (Constant *MC = dyn_cast<Constant>(Mask))
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, 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, Constant::getNullValue(Arg->getType()),
+ Name);
+ }
+
+ /// CreatePtrDiff - Return the i64 difference between two pointer values,
+ /// dividing out the size of the pointed-to objects. This is intended to
+ /// implement C-style pointer subtraction. As such, the pointers must be
+ /// appropriately aligned for their element types and pointing into the
+ /// same object.
+ Value *CreatePtrDiff(Value *LHS, Value *RHS, const char *Name = "") {
+ assert(LHS->getType() == RHS->getType() &&
+ "Pointer subtraction operand types must match!");
+ const PointerType *ArgType = cast<PointerType>(LHS->getType());
+ Value *LHS_int = CreatePtrToInt(LHS, Type::getInt64Ty(Context));
+ Value *RHS_int = CreatePtrToInt(RHS, Type::getInt64Ty(Context));
+ Value *Difference = CreateSub(LHS_int, RHS_int);
+ return CreateExactSDiv(Difference,
+ ConstantExpr::getSizeOf(ArgType->getElementType()),
+ Name);
+ }
};
}
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