#include "llvm/DerivedTypes.h"
#include "llvm/ParameterAttributes.h"
#include "llvm/BasicBlock.h"
+#include "llvm/ADT/SmallVector.h"
namespace llvm {
StoreInst(const StoreInst &SI) : Instruction(SI.getType(), Store,
&Op<0>(), 2) {
- Op<0>().init(SI.Op<0>(), this);
- Op<1>().init(SI.Op<1>(), this);
+ Op<0>() = SI.Op<0>();
+ Op<1>() = SI.Op<1>();
setVolatile(SI.isVolatile());
setAlignment(SI.getAlignment());
"Invalid operand types for ICmp instruction");
}
- /// @brief Return the predicate for this instruction.
- Predicate getPredicate() const { return Predicate(SubclassData); }
-
- /// @brief Set the predicate for this instruction to the specified value.
- void setPredicate(Predicate P) { SubclassData = P; }
-
- /// For example, EQ -> NE, UGT -> ULE, SLT -> SGE, etc.
- /// @returns the inverse predicate for the instruction's current predicate.
- /// @brief Return the inverse of the instruction's predicate.
- Predicate getInversePredicate() const {
- return getInversePredicate(getPredicate());
- }
-
- /// For example, EQ -> NE, UGT -> ULE, SLT -> SGE, etc.
- /// @returns the inverse predicate for predicate provided in \p pred.
- /// @brief Return the inverse of a given predicate
- static Predicate getInversePredicate(Predicate pred);
-
- /// For example, EQ->EQ, SLE->SGE, ULT->UGT, etc.
- /// @returns the predicate that would be the result of exchanging the two
- /// operands of the ICmpInst instruction without changing the result
- /// produced.
- /// @brief Return the predicate as if the operands were swapped
- Predicate getSwappedPredicate() const {
- return getSwappedPredicate(getPredicate());
- }
-
- /// This is a static version that you can use without an instruction
- /// available.
- /// @brief Return the predicate as if the operands were swapped.
- static Predicate getSwappedPredicate(Predicate pred);
-
/// For example, EQ->EQ, SLE->SLE, UGT->SGT, etc.
/// @returns the predicate that would be the result if the operand were
/// regarded as signed.
/// @brief Determine if the predicate is signed.
static bool isSignedPredicate(Predicate pred);
+ /// @returns true if the specified compare predicate is
+ /// true when both operands are equal...
+ /// @brief Determine if the icmp is true when both operands are equal
+ static bool isTrueWhenEqual(ICmpInst::Predicate pred) {
+ return pred == ICmpInst::ICMP_EQ || pred == ICmpInst::ICMP_UGE ||
+ pred == ICmpInst::ICMP_SGE || pred == ICmpInst::ICMP_ULE ||
+ pred == ICmpInst::ICMP_SLE;
+ }
+
+ /// @returns true if the specified compare instruction is
+ /// true when both operands are equal...
+ /// @brief Determine if the ICmpInst returns true when both operands are equal
+ bool isTrueWhenEqual() {
+ return isTrueWhenEqual(getPredicate());
+ }
+
/// Initialize a set of values that all satisfy the predicate with C.
/// @brief Make a ConstantRange for a relation with a constant value.
static ConstantRange makeConstantRange(Predicate pred, const APInt &C);
"Invalid operand types for FCmp instruction");
}
- /// @brief Return the predicate for this instruction.
- Predicate getPredicate() const { return Predicate(SubclassData); }
-
- /// @brief Set the predicate for this instruction to the specified value.
- void setPredicate(Predicate P) { SubclassData = P; }
-
- /// For example, OEQ -> UNE, UGT -> OLE, OLT -> UGE, etc.
- /// @returns the inverse predicate for the instructions current predicate.
- /// @brief Return the inverse of the predicate
- Predicate getInversePredicate() const {
- return getInversePredicate(getPredicate());
- }
-
- /// For example, OEQ -> UNE, UGT -> OLE, OLT -> UGE, etc.
- /// @returns the inverse predicate for \p pred.
- /// @brief Return the inverse of a given predicate
- static Predicate getInversePredicate(Predicate pred);
-
- /// For example, OEQ->OEQ, ULE->UGE, OLT->OGT, etc.
- /// @returns the predicate that would be the result of exchanging the two
- /// operands of the ICmpInst instruction without changing the result
- /// produced.
- /// @brief Return the predicate as if the operands were swapped
- Predicate getSwappedPredicate() const {
- return getSwappedPredicate(getPredicate());
- }
-
- /// This is a static version that you can use without an instruction
- /// available.
- /// @brief Return the predicate as if the operands were swapped.
- static Predicate getSwappedPredicate(Predicate Opcode);
-
/// This also tests for commutativity. If isEquality() returns true then
/// the predicate is also commutative. Only the equality predicates are
/// commutative.
class ExtractElementInst : public Instruction {
ExtractElementInst(const ExtractElementInst &EE) :
Instruction(EE.getType(), ExtractElement, &Op<0>(), 2) {
- Op<0>().init(EE.Op<0>(), this);
- Op<1>().init(EE.Op<1>(), this);
+ Op<0>() = EE.Op<0>();
+ Op<1>() = EE.Op<1>();
}
public:
/// 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; }
- inline op_iterator idx_end() { return op_end(); }
- inline const_op_iterator idx_end() const { return op_end(); }
+ inline const unsigned *idx_begin() const { return Indices.begin(); }
+ inline const unsigned *idx_end() const { return Indices.end(); }
Value *getAggregateOperand() {
return getOperand(0);
}
unsigned getNumIndices() const { // Note: always non-negative
- return getNumOperands() - 1;
+ return Indices.size();
}
bool hasIndices() const {
- return getNumOperands() > 1;
+ return true;
}
// Methods for support type inquiry through isa, cast, and dyn_cast:
};
template <>
-struct OperandTraits<ExtractValueInst> : VariadicOperandTraits<1> {
+struct OperandTraits<ExtractValueInst> : FixedNumOperandTraits<1> {
};
+template<typename InputIterator>
+ExtractValueInst::ExtractValueInst(Value *Agg,
+ InputIterator IdxBegin,
+ InputIterator IdxEnd,
+ const std::string &Name,
+ Instruction *InsertBefore)
+ : Instruction(checkType(getIndexedType(Agg->getType(), IdxBegin, IdxEnd)),
+ ExtractValue,
+ OperandTraits<ExtractValueInst>::op_begin(this),
+ 1, InsertBefore) {
+ init(Agg, IdxBegin, IdxEnd, Name,
+ typename std::iterator_traits<InputIterator>::iterator_category());
+}
+template<typename InputIterator>
+ExtractValueInst::ExtractValueInst(Value *Agg,
+ InputIterator IdxBegin,
+ InputIterator IdxEnd,
+ const std::string &Name,
+ BasicBlock *InsertAtEnd)
+ : Instruction(checkType(getIndexedType(Agg->getType(), IdxBegin, IdxEnd)),
+ ExtractValue,
+ OperandTraits<ExtractValueInst>::op_begin(this),
+ 1, InsertAtEnd) {
+ init(Agg, IdxBegin, IdxEnd, Name,
+ typename std::iterator_traits<InputIterator>::iterator_category());
+}
+
DEFINE_TRANSPARENT_OPERAND_ACCESSORS(ExtractValueInst, Value)
+
//===----------------------------------------------------------------------===//
// InsertValueInst Class
//===----------------------------------------------------------------------===//
/// 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 const unsigned *idx_begin() const { return Indices.begin(); }
+ inline const unsigned *idx_end() const { return Indices.end(); }
Value *getAggregateOperand() {
return getOperand(0);
}
unsigned getNumIndices() const { // Note: always non-negative
- return getNumOperands() - 2;
+ return Indices.size();
}
bool hasIndices() const {
- return getNumOperands() > 2;
+ return true;
}
// Methods for support type inquiry through isa, cast, and dyn_cast:
};
template <>
-struct OperandTraits<InsertValueInst> : VariadicOperandTraits<2> {
+struct OperandTraits<InsertValueInst> : FixedNumOperandTraits<2> {
};
+template<typename InputIterator>
+InsertValueInst::InsertValueInst(Value *Agg,
+ Value *Val,
+ InputIterator IdxBegin,
+ InputIterator IdxEnd,
+ const std::string &Name,
+ Instruction *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());
+}
+template<typename InputIterator>
+InsertValueInst::InsertValueInst(Value *Agg,
+ Value *Val,
+ InputIterator IdxBegin,
+ InputIterator IdxEnd,
+ const std::string &Name,
+ BasicBlock *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());
+}
+
DEFINE_TRANSPARENT_OPERAND_ACCESSORS(InsertValueInst, Value)
//===----------------------------------------------------------------------===//
resizeOperands(0); // Get more space!
// Initialize some new operands.
NumOperands = OpNo+2;
- OperandList[OpNo].init(V, this);
- OperandList[OpNo+1].init(BB, this);
+ OperandList[OpNo] = V;
+ OperandList[OpNo+1] = BB;
}
/// removeIncomingValue - Remove an incoming value. This is useful if a