BasicBlock::iterator InsertPt;
LLVMContext &Context;
public:
-
+
IRBuilderBase(LLVMContext &context)
: Context(context) {
ClearInsertionPoint();
}
-
+
//===--------------------------------------------------------------------===//
// 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; }
BasicBlock::iterator GetInsertPoint() const { return InsertPt; }
LLVMContext &getContext() const { return Context; }
-
+
/// 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;
}
-
+
/// SetCurrentDebugLocation - Set location information used by debugging
/// information.
void SetCurrentDebugLocation(const DebugLoc &L) {
CurDbgLocation = L;
}
-
+
/// getCurrentDebugLocation - Get location information used by debugging
/// information.
const DebugLoc &getCurrentDebugLocation() const { return CurDbgLocation; }
-
+
/// SetInstDebugLocation - If this builder has a current debug location, set
/// it on the specified instruction.
void SetInstDebugLocation(Instruction *I) const {
//===--------------------------------------------------------------------===//
// Miscellaneous creation methods.
//===--------------------------------------------------------------------===//
-
+
/// CreateGlobalString - Make a new global variable with an initializer that
/// has array of i8 type filled in with the nul terminated string value
/// specified. If Name is specified, it is the name of the global variable
ConstantInt *getInt32(uint32_t C) {
return ConstantInt::get(getInt32Ty(), C);
}
-
+
/// getInt64 - Get a constant 64-bit value.
ConstantInt *getInt64(uint64_t C) {
return ConstantInt::get(getInt64Ty(), C);
}
-
+
//===--------------------------------------------------------------------===//
// Type creation methods
//===--------------------------------------------------------------------===//
-
+
/// getInt1Ty - Fetch the type representing a single bit
const IntegerType *getInt1Ty() {
return Type::getInt1Ty(Context);
}
-
+
/// getInt8Ty - Fetch the type representing an 8-bit integer.
const IntegerType *getInt8Ty() {
return Type::getInt8Ty(Context);
}
-
+
/// getInt16Ty - Fetch the type representing a 16-bit integer.
const IntegerType *getInt16Ty() {
return Type::getInt16Ty(Context);
}
-
+
/// getInt32Ty - Fetch the type resepresenting a 32-bit integer.
const IntegerType *getInt32Ty() {
return Type::getInt32Ty(Context);
}
-
+
/// getInt64Ty - Fetch the type representing a 64-bit integer.
const IntegerType *getInt64Ty() {
return Type::getInt64Ty(Context);
}
-
+
/// getFloatTy - Fetch the type representing a 32-bit floating point value.
const Type *getFloatTy() {
return Type::getFloatTy(Context);
}
-
+
/// getDoubleTy - Fetch the type representing a 64-bit floating point value.
const Type *getDoubleTy() {
return Type::getDoubleTy(Context);
}
-
+
/// getVoidTy - Fetch the type representing void.
const Type *getVoidTy() {
return Type::getVoidTy(Context);
}
-
+
const PointerType *getInt8PtrTy() {
return Type::getInt8PtrTy(Context);
}
-
+
/// getCurrentFunctionReturnType - Get the return type of the current function
/// that we're emitting into.
const Type *getCurrentFunctionReturnType() const;
};
-
+
/// 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.
IRBuilder(LLVMContext &C, const T &F, const Inserter &I = Inserter())
: IRBuilderBase(C), Inserter(I), Folder(F) {
}
-
+
explicit IRBuilder(LLVMContext &C) : IRBuilderBase(C), Folder(C) {
}
-
+
explicit IRBuilder(BasicBlock *TheBB, const T &F)
: IRBuilderBase(TheBB->getContext()), Folder(F) {
SetInsertPoint(TheBB);
}
-
+
explicit IRBuilder(BasicBlock *TheBB)
: IRBuilderBase(TheBB->getContext()), Folder(Context) {
SetInsertPoint(TheBB);
}
-
+
IRBuilder(BasicBlock *TheBB, BasicBlock::iterator IP, const T& F)
: IRBuilderBase(TheBB->getContext()), Folder(F) {
SetInsertPoint(TheBB, IP);
}
-
+
IRBuilder(BasicBlock *TheBB, BasicBlock::iterator IP)
: IRBuilderBase(TheBB->getContext()), Folder(Context) {
SetInsertPoint(TheBB, IP);
/// isNamePreserving - Return true if this builder is configured to actually
/// add the requested names to IR created through it.
bool isNamePreserving() const { return preserveNames; }
-
+
/// Insert - Insert and return the specified instruction.
template<typename InstTy>
InstTy *Insert(InstTy *I, const Twine &Name = "") const {
ReturnInst *CreateRet(Value *V) {
return Insert(ReturnInst::Create(Context, 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
Args+3), Name);
}
/// CreateInvoke - Create an invoke instruction.
- template<typename InputIterator>
+ template<typename RandomAccessIterator>
InvokeInst *CreateInvoke(Value *Callee, BasicBlock *NormalDest,
- BasicBlock *UnwindDest, InputIterator ArgBegin,
- InputIterator ArgEnd, const Twine &Name = "") {
+ BasicBlock *UnwindDest,
+ RandomAccessIterator ArgBegin,
+ RandomAccessIterator ArgEnd,
+ const Twine &Name = "") {
return Insert(InvokeInst::Create(Callee, NormalDest, UnwindDest,
ArgBegin, ArgEnd), 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,
+ template<typename RandomAccessIterator>
+ Value *CreateGEP(Value *Ptr,
+ RandomAccessIterator IdxBegin,
+ RandomAccessIterator IdxEnd,
const Twine &Name = "") {
if (Constant *PC = dyn_cast<Constant>(Ptr)) {
// Every index must be constant.
- InputIterator i;
+ RandomAccessIterator i;
for (i = IdxBegin; i < IdxEnd; ++i)
if (!isa<Constant>(*i))
break;
}
return Insert(GetElementPtrInst::Create(Ptr, IdxBegin, IdxEnd), Name);
}
- template<typename InputIterator>
- Value *CreateInBoundsGEP(Value *Ptr, InputIterator IdxBegin,
- InputIterator IdxEnd, const Twine &Name = "") {
+ template<typename RandomAccessIterator>
+ Value *CreateInBoundsGEP(Value *Ptr, RandomAccessIterator IdxBegin,
+ RandomAccessIterator IdxEnd,
+ const Twine &Name = "") {
if (Constant *PC = dyn_cast<Constant>(Ptr)) {
// Every index must be constant.
- InputIterator i;
+ RandomAccessIterator i;
for (i = IdxBegin; i < IdxEnd; ++i)
if (!isa<Constant>(*i))
break;
if (Constant *PC = dyn_cast<Constant>(Ptr))
return Folder.CreateGetElementPtr(PC, &Idx, 1);
- return Insert(GetElementPtrInst::Create(Ptr, &Idx, &Idx+1), Name);
+ return Insert(GetElementPtrInst::Create(Ptr, &Idx, &Idx+1), Name);
}
Value *CreateConstInBoundsGEP1_32(Value *Ptr, unsigned Idx0,
const Twine &Name = "") {
return Insert(GetElementPtrInst::CreateInBounds(Ptr, &Idx, &Idx+1), Name);
}
- Value *CreateConstGEP2_32(Value *Ptr, unsigned Idx0, unsigned Idx1,
+ Value *CreateConstGEP2_32(Value *Ptr, unsigned Idx0, unsigned Idx1,
const Twine &Name = "") {
Value *Idxs[] = {
ConstantInt::get(Type::getInt32Ty(Context), Idx0),
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 Twine &Name = "") {
if (Constant *PC = dyn_cast<Constant>(Ptr))
return Folder.CreateGetElementPtr(PC, &Idx, 1);
- return Insert(GetElementPtrInst::Create(Ptr, &Idx, &Idx+1), Name);
+ return Insert(GetElementPtrInst::Create(Ptr, &Idx, &Idx+1), Name);
}
Value *CreateConstInBoundsGEP1_64(Value *Ptr, uint64_t Idx0,
const Twine &Name = "") {
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_64(Value *Ptr, uint64_t Idx0, uint64_t Idx1,
const Twine &Name = "") {
Value *CreateStructGEP(Value *Ptr, unsigned Idx, const Twine &Name = "") {
return CreateConstInBoundsGEP2_32(Ptr, 0, Idx, Name);
}
-
+
/// CreateGlobalStringPtr - Same as CreateGlobalString, but return a pointer
/// with "i8*" type instead of a pointer to array of i8.
Value *CreateGlobalStringPtr(const char *Str = "", const Twine &Name = "") {
Value *Args[] = { zero, zero };
return CreateInBoundsGEP(gv, Args, Args+2, Name);
}
-
+
//===--------------------------------------------------------------------===//
// Instruction creation methods: Cast/Conversion Operators
//===--------------------------------------------------------------------===//
return Insert(CallInst::Create(Callee, Args, Args+5), Name);
}
- template<typename InputIterator>
- CallInst *CreateCall(Value *Callee, InputIterator ArgBegin,
- InputIterator ArgEnd, const Twine &Name = "") {
+ template<typename RandomAccessIterator>
+ CallInst *CreateCall(Value *Callee, RandomAccessIterator ArgBegin,
+ RandomAccessIterator ArgEnd, const Twine &Name = "") {
return Insert(CallInst::Create(Callee, ArgBegin, ArgEnd), Name);
}
return Insert(ExtractValueInst::Create(Agg, Idx), Name);
}
- template<typename InputIterator>
+ template<typename RandomAccessIterator>
Value *CreateExtractValue(Value *Agg,
- InputIterator IdxBegin,
- InputIterator IdxEnd,
+ RandomAccessIterator IdxBegin,
+ RandomAccessIterator IdxEnd,
const Twine &Name = "") {
if (Constant *AggC = dyn_cast<Constant>(Agg))
return Folder.CreateExtractValue(AggC, IdxBegin, IdxEnd - IdxBegin);
return Insert(InsertValueInst::Create(Agg, Val, Idx), Name);
}
- template<typename InputIterator>
+ template<typename RandomAccessIterator>
Value *CreateInsertValue(Value *Agg, Value *Val,
- InputIterator IdxBegin,
- InputIterator IdxEnd,
+ RandomAccessIterator IdxBegin,
+ RandomAccessIterator IdxEnd,
const Twine &Name = "") {
if (Constant *AggC = dyn_cast<Constant>(Agg))
if (Constant *ValC = dyn_cast<Constant>(Val))
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