///
//===----------------------------------------------------------------------===//
-#ifndef LLVM_ATTRIBUTESIMPL_H
-#define LLVM_ATTRIBUTESIMPL_H
+#ifndef LLVM_LIB_IR_ATTRIBUTEIMPL_H
+#define LLVM_LIB_IR_ATTRIBUTEIMPL_H
#include "llvm/ADT/FoldingSet.h"
#include "llvm/IR/Attributes.h"
+#include "llvm/Support/TrailingObjects.h"
#include <string>
namespace llvm {
unsigned char KindID; ///< Holds the AttrEntryKind of the attribute
// AttributesImpl is uniqued, these should not be publicly available.
- void operator=(const AttributeImpl &) LLVM_DELETED_FUNCTION;
- AttributeImpl(const AttributeImpl &) LLVM_DELETED_FUNCTION;
+ void operator=(const AttributeImpl &) = delete;
+ AttributeImpl(const AttributeImpl &) = delete;
protected:
enum AttrEntryKind {
EnumAttrEntry,
- AlignAttrEntry,
+ IntAttrEntry,
StringAttrEntry
};
virtual ~AttributeImpl();
bool isEnumAttribute() const { return KindID == EnumAttrEntry; }
- bool isAlignAttribute() const { return KindID == AlignAttrEntry; }
+ bool isIntAttribute() const { return KindID == IntAttrEntry; }
bool isStringAttribute() const { return KindID == StringAttrEntry; }
bool hasAttribute(Attribute::AttrKind A) const;
void Profile(FoldingSetNodeID &ID) const {
if (isEnumAttribute())
Profile(ID, getKindAsEnum(), 0);
- else if (isAlignAttribute())
+ else if (isIntAttribute())
Profile(ID, getKindAsEnum(), getValueAsInt());
else
Profile(ID, getKindAsString(), getValueAsString());
/// attribute enties, which are for target-dependent attributes.
class EnumAttributeImpl : public AttributeImpl {
+ virtual void anchor();
Attribute::AttrKind Kind;
protected:
Attribute::AttrKind getEnumKind() const { return Kind; }
};
-class AlignAttributeImpl : public EnumAttributeImpl {
- unsigned Align;
+class IntAttributeImpl : public EnumAttributeImpl {
+ void anchor() override;
+ uint64_t Val;
public:
- AlignAttributeImpl(Attribute::AttrKind Kind, unsigned Align)
- : EnumAttributeImpl(AlignAttrEntry, Kind), Align(Align) {
- assert(
- (Kind == Attribute::Alignment || Kind == Attribute::StackAlignment) &&
- "Wrong kind for alignment attribute!");
+ IntAttributeImpl(Attribute::AttrKind Kind, uint64_t Val)
+ : EnumAttributeImpl(IntAttrEntry, Kind), Val(Val) {
+ assert((Kind == Attribute::Alignment || Kind == Attribute::StackAlignment ||
+ Kind == Attribute::Dereferenceable ||
+ Kind == Attribute::DereferenceableOrNull) &&
+ "Wrong kind for int attribute!");
}
- unsigned getAlignment() const { return Align; }
+ uint64_t getValue() const { return Val; }
};
class StringAttributeImpl : public AttributeImpl {
+ virtual void anchor();
std::string Kind;
std::string Val;
/// \class
/// \brief This class represents a group of attributes that apply to one
/// element: function, return type, or parameter.
-class AttributeSetNode : public FoldingSetNode {
+class AttributeSetNode final
+ : public FoldingSetNode,
+ private TrailingObjects<AttributeSetNode, Attribute> {
+ friend TrailingObjects;
+
unsigned NumAttrs; ///< Number of attributes in this node.
AttributeSetNode(ArrayRef<Attribute> Attrs) : NumAttrs(Attrs.size()) {
// There's memory after the node where we can store the entries in.
- std::copy(Attrs.begin(), Attrs.end(),
- reinterpret_cast<Attribute *>(this + 1));
+ std::copy(Attrs.begin(), Attrs.end(), getTrailingObjects<Attribute>());
}
// AttributesSetNode is uniqued, these should not be publicly available.
- void operator=(const AttributeSetNode &) LLVM_DELETED_FUNCTION;
- AttributeSetNode(const AttributeSetNode &) LLVM_DELETED_FUNCTION;
+ void operator=(const AttributeSetNode &) = delete;
+ AttributeSetNode(const AttributeSetNode &) = delete;
public:
static AttributeSetNode *get(LLVMContext &C, ArrayRef<Attribute> Attrs);
unsigned getAlignment() const;
unsigned getStackAlignment() const;
+ uint64_t getDereferenceableBytes() const;
+ uint64_t getDereferenceableOrNullBytes() const;
std::string getAsString(bool InAttrGrp) const;
typedef const Attribute *iterator;
- iterator begin() const { return reinterpret_cast<iterator>(this + 1); }
+ iterator begin() const { return getTrailingObjects<Attribute>(); }
iterator end() const { return begin() + NumAttrs; }
void Profile(FoldingSetNodeID &ID) const {
}
};
+typedef std::pair<unsigned, AttributeSetNode *> IndexAttrPair;
+
//===----------------------------------------------------------------------===//
/// \class
/// \brief This class represents a set of attributes that apply to the function,
/// return type, and parameters.
-class AttributeSetImpl : public FoldingSetNode {
+class AttributeSetImpl final
+ : public FoldingSetNode,
+ private TrailingObjects<AttributeSetImpl, IndexAttrPair> {
friend class AttributeSet;
+ friend TrailingObjects;
+private:
LLVMContext &Context;
-
- typedef std::pair<unsigned, AttributeSetNode*> IndexAttrPair;
unsigned NumAttrs; ///< Number of entries in this set.
+ // Helper fn for TrailingObjects class.
+ size_t numTrailingObjects(OverloadToken<IndexAttrPair>) { return NumAttrs; }
+
/// \brief Return a pointer to the IndexAttrPair for the specified slot.
const IndexAttrPair *getNode(unsigned Slot) const {
- return reinterpret_cast<const IndexAttrPair *>(this + 1) + Slot;
+ return getTrailingObjects<IndexAttrPair>() + Slot;
}
// AttributesSet is uniqued, these should not be publicly available.
- void operator=(const AttributeSetImpl &) LLVM_DELETED_FUNCTION;
- AttributeSetImpl(const AttributeSetImpl &) LLVM_DELETED_FUNCTION;
+ void operator=(const AttributeSetImpl &) = delete;
+ AttributeSetImpl(const AttributeSetImpl &) = delete;
public:
AttributeSetImpl(LLVMContext &C,
ArrayRef<std::pair<unsigned, AttributeSetNode *> > Attrs)
: Context(C), NumAttrs(Attrs.size()) {
+
#ifndef NDEBUG
if (Attrs.size() >= 2) {
for (const std::pair<unsigned, AttributeSetNode *> *i = Attrs.begin() + 1,
}
#endif
// There's memory after the node where we can store the entries in.
- std::copy(Attrs.begin(), Attrs.end(),
- reinterpret_cast<IndexAttrPair *>(this + 1));
+ std::copy(Attrs.begin(), Attrs.end(), getTrailingObjects<IndexAttrPair>());
}
/// \brief Get the context that created this AttributeSetImpl.
// FIXME: This atrocity is temporary.
uint64_t Raw(unsigned Index) const;
+
+ void dump() const;
};
} // end llvm namespace