#include "llvm/DerivedTypes.h"
#include "llvm/ParameterAttributes.h"
#include "llvm/BasicBlock.h"
+#include "llvm/ADT/SmallVector.h"
namespace llvm {
/// element value from an aggregate value.
///
class ExtractValueInst : public Instruction {
+ SmallVector<unsigned, 4> Indices;
+
ExtractValueInst(const ExtractValueInst &EVI);
- void init(Value *Agg, Value* const *Idx, unsigned NumIdx);
- void init(Value *Agg, Value *Idx);
+ void init(Value *Agg, const unsigned *Idx, unsigned NumIdx);
+ void init(Value *Agg, unsigned Idx);
template<typename InputIterator>
void init(Value *Agg, InputIterator IdxBegin, InputIterator IdxEnd,
std::random_access_iterator_tag) {
unsigned NumIdx = static_cast<unsigned>(std::distance(IdxBegin, IdxEnd));
- if (NumIdx > 0) {
- // This requires that the iterator points to contiguous memory.
- init(Agg, &*IdxBegin, NumIdx); // FIXME: for the general case
- // we have to build an array here
- }
- else {
- init(Agg, 0, NumIdx);
- }
+ // There's no fundamental reason why we require at least one index
+ // (other than weirdness with &*IdxBegin being invalid; see
+ // getelementptr's init routine for example). But there's no
+ // present need to support it.
+ assert(NumIdx > 0 && "ExtractValueInst must have at least one index");
+
+ // This requires that the iterator points to contiguous memory.
+ init(Agg, &*IdxBegin, NumIdx); // FIXME: for the general case
+ // we have to build an array here
setName(Name);
}
/// pointer type.
///
static const Type *getIndexedType(const Type *Agg,
- Value* const *Idx, unsigned NumIdx);
+ const unsigned *Idx, unsigned NumIdx);
template<typename InputIterator>
static const Type *getIndexedType(const Type *Ptr,
if (NumIdx > 0)
// This requires that the iterator points to contiguous memory.
- return getIndexedType(Ptr, (Value *const *)&*IdxBegin, NumIdx);
+ return getIndexedType(Ptr, (const unsigned *)&*IdxBegin, NumIdx);
else
- return getIndexedType(Ptr, (Value *const*)0, NumIdx);
+ return getIndexedType(Ptr, (const unsigned *)0, NumIdx);
}
/// Constructors - Create a extractvalue instruction with a base aggregate
template<typename InputIterator>
inline ExtractValueInst(Value *Agg, InputIterator IdxBegin,
InputIterator IdxEnd,
- unsigned Values,
const std::string &Name,
Instruction *InsertBefore);
template<typename InputIterator>
inline ExtractValueInst(Value *Agg,
InputIterator IdxBegin, InputIterator IdxEnd,
- unsigned Values,
const std::string &Name, BasicBlock *InsertAtEnd);
/// Constructors - These two constructors are convenience methods because one
/// and two index extractvalue instructions are so common.
- ExtractValueInst(Value *Agg, Value *Idx, const std::string &Name = "",
+ ExtractValueInst(Value *Agg, unsigned Idx, const std::string &Name = "",
Instruction *InsertBefore = 0);
- ExtractValueInst(Value *Agg, Value *Idx,
+ ExtractValueInst(Value *Agg, unsigned Idx,
const std::string &Name, BasicBlock *InsertAtEnd);
public:
+ // allocate space for exactly two operands
+ void *operator new(size_t s) {
+ return User::operator new(s, 1);
+ }
+
template<typename InputIterator>
static ExtractValueInst *Create(Value *Agg, InputIterator IdxBegin,
InputIterator IdxEnd,
const std::string &Name = "",
Instruction *InsertBefore = 0) {
- typename std::iterator_traits<InputIterator>::difference_type Values =
- 1 + std::distance(IdxBegin, IdxEnd);
- return new(Values)
- ExtractValueInst(Agg, IdxBegin, IdxEnd, Values, Name, InsertBefore);
+ return new
+ ExtractValueInst(Agg, IdxBegin, IdxEnd, Name, InsertBefore);
}
template<typename InputIterator>
static ExtractValueInst *Create(Value *Agg,
InputIterator IdxBegin, InputIterator IdxEnd,
const std::string &Name,
BasicBlock *InsertAtEnd) {
- typename std::iterator_traits<InputIterator>::difference_type Values =
- 1 + std::distance(IdxBegin, IdxEnd);
- return new(Values)
- ExtractValueInst(Agg, IdxBegin, IdxEnd, Values, Name, InsertAtEnd);
+ return new ExtractValueInst(Agg, IdxBegin, IdxEnd, Name, InsertAtEnd);
}
/// Constructors - These two creators are convenience methods because one
/// index extractvalue instructions are much more common than those with
/// more than one.
- static ExtractValueInst *Create(Value *Agg, Value *Idx,
+ static ExtractValueInst *Create(Value *Agg, unsigned Idx,
const std::string &Name = "",
Instruction *InsertBefore = 0) {
- return new(2) ExtractValueInst(Agg, Idx, Name, InsertBefore);
+ return new ExtractValueInst(Agg, Idx, Name, InsertBefore);
}
- static ExtractValueInst *Create(Value *Agg, Value *Idx,
+ static ExtractValueInst *Create(Value *Agg, unsigned Idx,
const std::string &Name,
BasicBlock *InsertAtEnd) {
- return new(2) ExtractValueInst(Agg, Idx, Name, InsertAtEnd);
+ return new ExtractValueInst(Agg, Idx, Name, InsertAtEnd);
}
virtual ExtractValueInst *clone() const;
typename std::iterator_traits<InputIterator>::
iterator_category());
}
- static const Type *getIndexedType(const Type *Ptr, Value *Idx);
+ static const Type *getIndexedType(const Type *Ptr, unsigned Idx);
inline op_iterator idx_begin() { return op_begin()+1; }
inline const_op_iterator idx_begin() const { return op_begin()+1; }
};
template <>
-struct OperandTraits<ExtractValueInst> : VariadicOperandTraits<1> {
+struct OperandTraits<ExtractValueInst> : FixedNumOperandTraits<1> {
};
template<typename InputIterator>
ExtractValueInst::ExtractValueInst(Value *Agg,
InputIterator IdxBegin,
InputIterator IdxEnd,
- unsigned Values,
const std::string &Name,
Instruction *InsertBefore)
: Instruction(checkType(getIndexedType(Agg->getType(), IdxBegin, IdxEnd)),
ExtractValue,
- OperandTraits<ExtractValueInst>::op_end(this) - Values,
- Values, InsertBefore) {
+ OperandTraits<ExtractValueInst>::op_begin(this),
+ 1, InsertBefore) {
init(Agg, IdxBegin, IdxEnd, Name,
typename std::iterator_traits<InputIterator>::iterator_category());
}
ExtractValueInst::ExtractValueInst(Value *Agg,
InputIterator IdxBegin,
InputIterator IdxEnd,
- unsigned Values,
const std::string &Name,
BasicBlock *InsertAtEnd)
- : Instruction(PointerType::get(checkType(
- getIndexedType(Agg->getType(),
- IdxBegin, IdxEnd)),
- cast<PointerType>(Agg->getType())
- ->getAddressSpace()),
+ : Instruction(checkType(getIndexedType(Agg->getType(), IdxBegin, IdxEnd)),
ExtractValue,
- OperandTraits<ExtractValueInst>::op_end(this) - Values,
- Values, InsertAtEnd) {
+ OperandTraits<ExtractValueInst>::op_begin(this),
+ 1, InsertAtEnd) {
init(Agg, IdxBegin, IdxEnd, Name,
typename std::iterator_traits<InputIterator>::iterator_category());
}
/// value into an aggregate value.
///
class InsertValueInst : public Instruction {
+ SmallVector<unsigned, 4> Indices;
+
+ void *operator new(size_t, unsigned); // Do not implement
InsertValueInst(const InsertValueInst &IVI);
- void init(Value *Agg, Value *Val, Value* const *Idx, unsigned NumIdx);
- void init(Value *Agg, Value *Val, Value *Idx);
+ void init(Value *Agg, Value *Val, const unsigned *Idx, unsigned NumIdx);
+ void init(Value *Agg, Value *Val, unsigned Idx);
template<typename InputIterator>
void init(Value *Agg, Value *Val,
std::random_access_iterator_tag) {
unsigned NumIdx = static_cast<unsigned>(std::distance(IdxBegin, IdxEnd));
- if (NumIdx > 0) {
- // This requires that the iterator points to contiguous memory.
- init(Agg, Val, &*IdxBegin, NumIdx); // FIXME: for the general case
- // we have to build an array here
- }
- else {
- init(Agg, Val, 0, NumIdx);
- }
+ // There's no fundamental reason why we require at least one index
+ // (other than weirdness with &*IdxBegin being invalid; see
+ // getelementptr's init routine for example). But there's no
+ // present need to support it.
+ assert(NumIdx > 0 && "InsertValueInst must have at least one index");
+
+ // This requires that the iterator points to contiguous memory.
+ init(Agg, Val, &*IdxBegin, NumIdx); // FIXME: for the general case
+ // we have to build an array here
setName(Name);
}
template<typename InputIterator>
inline InsertValueInst(Value *Agg, Value *Val, InputIterator IdxBegin,
InputIterator IdxEnd,
- unsigned Values,
const std::string &Name,
Instruction *InsertBefore);
template<typename InputIterator>
inline InsertValueInst(Value *Agg, Value *Val,
InputIterator IdxBegin, InputIterator IdxEnd,
- unsigned Values,
const std::string &Name, BasicBlock *InsertAtEnd);
/// Constructors - These two constructors are convenience methods because one
/// and two index insertvalue instructions are so common.
InsertValueInst(Value *Agg, Value *Val,
- Value *Idx, const std::string &Name = "",
+ unsigned Idx, const std::string &Name = "",
Instruction *InsertBefore = 0);
- InsertValueInst(Value *Agg, Value *Val, Value *Idx,
+ InsertValueInst(Value *Agg, Value *Val, unsigned Idx,
const std::string &Name, BasicBlock *InsertAtEnd);
public:
+ // allocate space for exactly two operands
+ void *operator new(size_t s) {
+ return User::operator new(s, 2);
+ }
+
template<typename InputIterator>
static InsertValueInst *Create(Value *Agg, Value *Val, InputIterator IdxBegin,
InputIterator IdxEnd,
const std::string &Name = "",
Instruction *InsertBefore = 0) {
- typename std::iterator_traits<InputIterator>::difference_type Values =
- 1 + std::distance(IdxBegin, IdxEnd);
- return new(Values)
- InsertValueInst(Agg, Val, IdxBegin, IdxEnd, Values, Name, InsertBefore);
+ return new InsertValueInst(Agg, Val, IdxBegin, IdxEnd,
+ Name, InsertBefore);
}
template<typename InputIterator>
static InsertValueInst *Create(Value *Agg, Value *Val,
InputIterator IdxBegin, InputIterator IdxEnd,
const std::string &Name,
BasicBlock *InsertAtEnd) {
- typename std::iterator_traits<InputIterator>::difference_type Values =
- 1 + std::distance(IdxBegin, IdxEnd);
- return new(Values)
- InsertValueInst(Agg, Val, IdxBegin, IdxEnd, Values, Name, InsertAtEnd);
+ return new InsertValueInst(Agg, Val, IdxBegin, IdxEnd,
+ Name, InsertAtEnd);
}
/// Constructors - These two creators are convenience methods because one
/// index insertvalue instructions are much more common than those with
/// more than one.
- static InsertValueInst *Create(Value *Agg, Value *Val, Value *Idx,
+ static InsertValueInst *Create(Value *Agg, Value *Val, unsigned Idx,
const std::string &Name = "",
Instruction *InsertBefore = 0) {
- return new(3) InsertValueInst(Agg, Val, Idx, Name, InsertBefore);
+ return new InsertValueInst(Agg, Val, Idx, Name, InsertBefore);
}
- static InsertValueInst *Create(Value *Agg, Value *Val, Value *Idx,
+ static InsertValueInst *Create(Value *Agg, Value *Val, unsigned Idx,
const std::string &Name,
BasicBlock *InsertAtEnd) {
- return new(3) InsertValueInst(Agg, Val, Idx, Name, InsertAtEnd);
+ return new InsertValueInst(Agg, Val, Idx, Name, InsertAtEnd);
}
virtual InsertValueInst *clone() const;
return reinterpret_cast<const PointerType*>(Instruction::getType());
}
- inline op_iterator idx_begin() { return op_begin()+1; }
- inline const_op_iterator idx_begin() const { return op_begin()+1; }
- inline op_iterator idx_end() { return op_end(); }
- inline const_op_iterator idx_end() const { return op_end(); }
+ inline unsigned *idx_begin() { return Indices.begin(); }
+ inline const unsigned *idx_begin() const { return Indices.begin(); }
+ inline unsigned *idx_end() { return Indices.end(); }
+ inline const unsigned *idx_end() const { return Indices.end(); }
Value *getAggregateOperand() {
return getOperand(0);
};
template <>
-struct OperandTraits<InsertValueInst> : VariadicOperandTraits<2> {
+struct OperandTraits<InsertValueInst> : FixedNumOperandTraits<2> {
};
template<typename InputIterator>
Value *Val,
InputIterator IdxBegin,
InputIterator IdxEnd,
- unsigned Values,
const std::string &Name,
Instruction *InsertBefore)
- : Instruction(checkType(ExtractValueInst::getIndexedType(
- Agg->getType(),
- IdxBegin, IdxEnd)),
- InsertValue,
- OperandTraits<InsertValueInst>::op_end(this) - Values,
- Values, InsertBefore) {
+ : Instruction(Agg->getType(), InsertValue,
+ OperandTraits<InsertValueInst>::op_begin(this),
+ 2, InsertBefore) {
init(Agg, Val, IdxBegin, IdxEnd, Name,
typename std::iterator_traits<InputIterator>::iterator_category());
}
Value *Val,
InputIterator IdxBegin,
InputIterator IdxEnd,
- unsigned Values,
const std::string &Name,
BasicBlock *InsertAtEnd)
- : Instruction(PointerType::get(checkType(
- ExtractValueInst::getIndexedType(
- Val->getType(),
- IdxBegin, IdxEnd)),
- cast<PointerType>(Val->getType())
- ->getAddressSpace()),
- InsertValue,
- OperandTraits<InsertValueInst>::op_end(this) - Values,
- Values, InsertAtEnd) {
+ : Instruction(Agg->getType(), InsertValue,
+ OperandTraits<InsertValueInst>::op_begin(this),
+ 2, InsertAtEnd) {
init(Agg, Val, IdxBegin, IdxEnd, Name,
typename std::iterator_traits<InputIterator>::iterator_category());
}
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