#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());
///
class GetElementPtrInst : public Instruction {
GetElementPtrInst(const GetElementPtrInst &GEPI);
- void init(Value *Ptr, Value* const *Idx, unsigned NumIdx);
- void init(Value *Ptr, Value *Idx);
+ void init(Value *Ptr, Value* const *Idx, unsigned NumIdx,
+ const std::string &Name);
+ void init(Value *Ptr, Value *Idx, const std::string &Name);
template<typename InputIterator>
void init(Value *Ptr, InputIterator IdxBegin, InputIterator IdxEnd,
if (NumIdx > 0) {
// This requires that the iterator points to contiguous memory.
- init(Ptr, &*IdxBegin, NumIdx); // FIXME: for the general case
+ init(Ptr, &*IdxBegin, NumIdx, Name); // FIXME: for the general case
// we have to build an array here
}
else {
- init(Ptr, 0, NumIdx);
+ init(Ptr, 0, NumIdx, Name);
}
-
- setName(Name);
}
/// getIndexedType - Returns the type of the element that would be loaded with
/// a load instruction with the specified parameters.
///
- /// A null type is returned if the indices are invalid for the specified
+ /// Null is returned if the indices are invalid for the specified
/// pointer type.
///
static const Type *getIndexedType(const Type *Ptr,
- Value* const *Idx, unsigned NumIdx,
- bool AllowStructLeaf = false);
+ Value* const *Idx, unsigned NumIdx);
template<typename InputIterator>
static const Type *getIndexedType(const Type *Ptr,
InputIterator IdxBegin,
InputIterator IdxEnd,
- bool AllowStructLeaf,
// This argument ensures that we
// have an iterator we can do
// arithmetic on in constant time
std::random_access_iterator_tag) {
unsigned NumIdx = static_cast<unsigned>(std::distance(IdxBegin, IdxEnd));
- if (NumIdx > 0) {
+ if (NumIdx > 0)
// This requires that the iterator points to contiguous memory.
- return(getIndexedType(Ptr, (Value *const *)&*IdxBegin, NumIdx,
- AllowStructLeaf));
- }
- else {
- return(getIndexedType(Ptr, (Value *const*)0, NumIdx, AllowStructLeaf));
- }
+ return getIndexedType(Ptr, (Value *const *)&*IdxBegin, NumIdx);
+ else
+ return getIndexedType(Ptr, (Value *const*)0, NumIdx);
}
/// Constructors - Create a getelementptr instruction with a base pointer an
/// getIndexedType - Returns the type of the element that would be loaded with
/// a load instruction with the specified parameters.
///
- /// A null type is returned if the indices are invalid for the specified
+ /// Null is returned if the indices are invalid for the specified
/// pointer type.
///
template<typename InputIterator>
static const Type *getIndexedType(const Type *Ptr,
InputIterator IdxBegin,
- InputIterator IdxEnd,
- bool AllowStructLeaf = false) {
- return(getIndexedType(Ptr, IdxBegin, IdxEnd, AllowStructLeaf,
+ InputIterator IdxEnd) {
+ return getIndexedType(Ptr, IdxBegin, IdxEnd,
typename std::iterator_traits<InputIterator>::
- iterator_category()));
+ iterator_category());
}
static const Type *getIndexedType(const Type *Ptr, Value *Idx);
Instruction *InsertBefore)
: Instruction(PointerType::get(checkType(
getIndexedType(Ptr->getType(),
- IdxBegin, IdxEnd, true)),
+ IdxBegin, IdxEnd)),
cast<PointerType>(Ptr->getType())
->getAddressSpace()),
GetElementPtr,
BasicBlock *InsertAtEnd)
: Instruction(PointerType::get(checkType(
getIndexedType(Ptr->getType(),
- IdxBegin, IdxEnd, true)),
+ IdxBegin, IdxEnd)),
cast<PointerType>(Ptr->getType())
->getAddressSpace()),
GetElementPtr,
"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.
/// setParamAttrs - Sets the parameter attributes for this call.
void setParamAttrs(const PAListPtr &Attrs) { ParamAttrs = Attrs; }
+
+ /// addParamAttr - adds the attribute to the list of attributes.
+ void addParamAttr(unsigned i, ParameterAttributes attr);
/// @brief Determine whether the call or the callee has the given attribute.
bool paramHasAttr(unsigned i, unsigned attr) const;
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:
DEFINE_TRANSPARENT_OPERAND_ACCESSORS(ShuffleVectorInst, Value)
+//===----------------------------------------------------------------------===//
+// ExtractValueInst Class
+//===----------------------------------------------------------------------===//
+
+/// ExtractValueInst - This instruction extracts a struct member or array
+/// element value from an aggregate value.
+///
+class ExtractValueInst : public UnaryInstruction {
+ SmallVector<unsigned, 4> Indices;
+
+ ExtractValueInst(const ExtractValueInst &EVI);
+ void init(const unsigned *Idx, unsigned NumIdx,
+ const std::string &Name);
+ void init(unsigned Idx, const std::string &Name);
+
+ template<typename InputIterator>
+ void init(InputIterator IdxBegin, InputIterator IdxEnd,
+ const std::string &Name,
+ // This argument ensures that we have an iterator we can
+ // do arithmetic on in constant time
+ std::random_access_iterator_tag) {
+ unsigned NumIdx = static_cast<unsigned>(std::distance(IdxBegin, IdxEnd));
+
+ // 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(&*IdxBegin, NumIdx, Name); // FIXME: for the general case
+ // we have to build an array here
+ }
+
+ /// getIndexedType - Returns the type of the element that would be extracted
+ /// with an extractvalue instruction with the specified parameters.
+ ///
+ /// Null is returned if the indices are invalid for the specified
+ /// pointer type.
+ ///
+ static const Type *getIndexedType(const Type *Agg,
+ const unsigned *Idx, unsigned NumIdx);
+
+ template<typename InputIterator>
+ static const Type *getIndexedType(const Type *Ptr,
+ InputIterator IdxBegin,
+ InputIterator IdxEnd,
+ // This argument ensures that we
+ // have an iterator we can do
+ // arithmetic on in constant time
+ 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.
+ return getIndexedType(Ptr, (const unsigned *)&*IdxBegin, NumIdx);
+ else
+ return getIndexedType(Ptr, (const unsigned *)0, NumIdx);
+ }
+
+ /// Constructors - Create a extractvalue instruction with a base aggregate
+ /// value and a list of indices. The first ctor can optionally insert before
+ /// an existing instruction, the second appends the new instruction to the
+ /// specified BasicBlock.
+ template<typename InputIterator>
+ inline ExtractValueInst(Value *Agg, InputIterator IdxBegin,
+ InputIterator IdxEnd,
+ const std::string &Name,
+ Instruction *InsertBefore);
+ template<typename InputIterator>
+ inline ExtractValueInst(Value *Agg,
+ InputIterator IdxBegin, InputIterator IdxEnd,
+ 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, unsigned Idx, const std::string &Name = "",
+ Instruction *InsertBefore = 0);
+ ExtractValueInst(Value *Agg, unsigned Idx,
+ const std::string &Name, BasicBlock *InsertAtEnd);
+
+ // allocate space for exactly one operand
+ void *operator new(size_t s) {
+ return User::operator new(s, 1);
+ }
+
+public:
+ template<typename InputIterator>
+ static ExtractValueInst *Create(Value *Agg, InputIterator IdxBegin,
+ InputIterator IdxEnd,
+ const std::string &Name = "",
+ Instruction *InsertBefore = 0) {
+ 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) {
+ 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, unsigned Idx,
+ const std::string &Name = "",
+ Instruction *InsertBefore = 0) {
+ return new ExtractValueInst(Agg, Idx, Name, InsertBefore);
+ }
+ static ExtractValueInst *Create(Value *Agg, unsigned Idx,
+ const std::string &Name,
+ BasicBlock *InsertAtEnd) {
+ return new ExtractValueInst(Agg, Idx, Name, InsertAtEnd);
+ }
+
+ virtual ExtractValueInst *clone() const;
+
+ // getType - Overload to return most specific pointer type...
+ const PointerType *getType() const {
+ return reinterpret_cast<const PointerType*>(Instruction::getType());
+ }
+
+ /// getIndexedType - Returns the type of the element that would be extracted
+ /// with an extractvalue instruction with the specified parameters.
+ ///
+ /// Null is returned if the indices are invalid for the specified
+ /// pointer type.
+ ///
+ template<typename InputIterator>
+ static const Type *getIndexedType(const Type *Ptr,
+ InputIterator IdxBegin,
+ InputIterator IdxEnd) {
+ return getIndexedType(Ptr, IdxBegin, IdxEnd,
+ typename std::iterator_traits<InputIterator>::
+ iterator_category());
+ }
+ static const Type *getIndexedType(const Type *Ptr, unsigned Idx);
+
+ inline const unsigned *idx_begin() const { return Indices.begin(); }
+ inline const unsigned *idx_end() const { return Indices.end(); }
+
+ Value *getAggregateOperand() {
+ return getOperand(0);
+ }
+ const Value *getAggregateOperand() const {
+ return getOperand(0);
+ }
+ static unsigned getAggregateOperandIndex() {
+ return 0U; // get index for modifying correct operand
+ }
+
+ unsigned getNumIndices() const { // Note: always non-negative
+ return (unsigned)Indices.size();
+ }
+
+ bool hasIndices() const {
+ return true;
+ }
+
+ // Methods for support type inquiry through isa, cast, and dyn_cast:
+ static inline bool classof(const ExtractValueInst *) { return true; }
+ static inline bool classof(const Instruction *I) {
+ return I->getOpcode() == Instruction::ExtractValue;
+ }
+ static inline bool classof(const Value *V) {
+ return isa<Instruction>(V) && classof(cast<Instruction>(V));
+ }
+};
+
+template<typename InputIterator>
+ExtractValueInst::ExtractValueInst(Value *Agg,
+ InputIterator IdxBegin,
+ InputIterator IdxEnd,
+ const std::string &Name,
+ Instruction *InsertBefore)
+ : UnaryInstruction(checkType(getIndexedType(Agg->getType(),
+ IdxBegin, IdxEnd)),
+ ExtractValue, Agg, InsertBefore) {
+ init(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)
+ : UnaryInstruction(checkType(getIndexedType(Agg->getType(),
+ IdxBegin, IdxEnd)),
+ ExtractValue, Agg, InsertAtEnd) {
+ init(IdxBegin, IdxEnd, Name,
+ typename std::iterator_traits<InputIterator>::iterator_category());
+}
+
+
+//===----------------------------------------------------------------------===//
+// InsertValueInst Class
+//===----------------------------------------------------------------------===//
+
+/// InsertValueInst - This instruction inserts a struct field of array element
+/// 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, const unsigned *Idx, unsigned NumIdx,
+ const std::string &Name);
+ void init(Value *Agg, Value *Val, unsigned Idx, const std::string &Name);
+
+ template<typename InputIterator>
+ void init(Value *Agg, Value *Val,
+ InputIterator IdxBegin, InputIterator IdxEnd,
+ const std::string &Name,
+ // This argument ensures that we have an iterator we can
+ // do arithmetic on in constant time
+ std::random_access_iterator_tag) {
+ unsigned NumIdx = static_cast<unsigned>(std::distance(IdxBegin, IdxEnd));
+
+ // 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, Name); // FIXME: for the general case
+ // we have to build an array here
+ }
+
+ /// Constructors - Create a insertvalue instruction with a base aggregate
+ /// value, a value to insert, and a list of indices. The first ctor can
+ /// optionally insert before an existing instruction, the second appends
+ /// the new instruction to the specified BasicBlock.
+ template<typename InputIterator>
+ inline InsertValueInst(Value *Agg, Value *Val, InputIterator IdxBegin,
+ InputIterator IdxEnd,
+ const std::string &Name,
+ Instruction *InsertBefore);
+ template<typename InputIterator>
+ inline InsertValueInst(Value *Agg, Value *Val,
+ InputIterator IdxBegin, InputIterator IdxEnd,
+ 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,
+ unsigned Idx, const std::string &Name = "",
+ Instruction *InsertBefore = 0);
+ 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) {
+ 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) {
+ 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, unsigned Idx,
+ const std::string &Name = "",
+ Instruction *InsertBefore = 0) {
+ return new InsertValueInst(Agg, Val, Idx, Name, InsertBefore);
+ }
+ static InsertValueInst *Create(Value *Agg, Value *Val, unsigned Idx,
+ const std::string &Name,
+ BasicBlock *InsertAtEnd) {
+ return new InsertValueInst(Agg, Val, Idx, Name, InsertAtEnd);
+ }
+
+ virtual InsertValueInst *clone() const;
+
+ /// Transparently provide more efficient getOperand methods.
+ DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
+
+ // getType - Overload to return most specific pointer type...
+ const PointerType *getType() const {
+ return reinterpret_cast<const PointerType*>(Instruction::getType());
+ }
+
+ inline const unsigned *idx_begin() const { return Indices.begin(); }
+ inline const unsigned *idx_end() const { return Indices.end(); }
+
+ Value *getAggregateOperand() {
+ return getOperand(0);
+ }
+ const Value *getAggregateOperand() const {
+ return getOperand(0);
+ }
+ static unsigned getAggregateOperandIndex() {
+ return 0U; // get index for modifying correct operand
+ }
+
+ Value *getInsertedValueOperand() {
+ return getOperand(1);
+ }
+ const Value *getInsertedValueOperand() const {
+ return getOperand(1);
+ }
+ static unsigned getInsertedValueOperandIndex() {
+ return 1U; // get index for modifying correct operand
+ }
+
+ unsigned getNumIndices() const { // Note: always non-negative
+ return (unsigned)Indices.size();
+ }
+
+ bool hasIndices() const {
+ return true;
+ }
+
+ // Methods for support type inquiry through isa, cast, and dyn_cast:
+ static inline bool classof(const InsertValueInst *) { return true; }
+ static inline bool classof(const Instruction *I) {
+ return I->getOpcode() == Instruction::InsertValue;
+ }
+ static inline bool classof(const Value *V) {
+ return isa<Instruction>(V) && classof(cast<Instruction>(V));
+ }
+};
+
+template <>
+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)
+
//===----------------------------------------------------------------------===//
// PHINode Class
//===----------------------------------------------------------------------===//
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
/// @brief Determine whether the call or the callee has the given attribute.
bool paramHasAttr(unsigned i, ParameterAttributes attr) const;
+
+ /// addParamAttr - adds the attribute to the list of attributes.
+ void addParamAttr(unsigned i, ParameterAttributes attr);
/// @brief Extract the alignment for a call or parameter (0=unknown).
unsigned getParamAlignment(unsigned i) const {
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