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//===-- AttributesImpl.h - Attributes Internals -----------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines various helper methods and classes used by LLVMContextImpl
// for creating and managing attributes.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_ATTRIBUTESIMPL_H
#define LLVM_ATTRIBUTESIMPL_H
#include "llvm/ADT/FoldingSet.h"
#include "llvm/Attributes.h"
namespace llvm {
class AttributesImpl : public FoldingSetNode {
uint64_t Bits; // FIXME: We will be expanding this.
public:
AttributesImpl(uint64_t bits) : Bits(bits) {}
bool hasAttribute(uint64_t A) const;
bool hasAttributes() const;
bool hasAttributes(const Attributes &A) const;
uint64_t getAlignment() const;
uint64_t getStackAlignment() const;
uint64_t Raw() const { return Bits; } // FIXME: Remove.
static uint64_t getAttrMask(uint64_t Val);
void Profile(FoldingSetNodeID &ID) const {
Profile(ID, Bits);
}
static void Profile(FoldingSetNodeID &ID, uint64_t Bits) {
ID.AddInteger(Bits);
}
};
class AttributeListImpl : public FoldingSetNode {
// AttributesList is uniqued, these should not be publicly available.
void operator=(const AttributeListImpl &) LLVM_DELETED_FUNCTION;
AttributeListImpl(const AttributeListImpl &) LLVM_DELETED_FUNCTION;
public:
SmallVector<AttributeWithIndex, 4> Attrs;
AttributeListImpl(ArrayRef<AttributeWithIndex> attrs)
: Attrs(attrs.begin(), attrs.end()) {}
void Profile(FoldingSetNodeID &ID) const {
Profile(ID, Attrs);
}
static void Profile(FoldingSetNodeID &ID, ArrayRef<AttributeWithIndex> Attrs){
for (unsigned i = 0, e = Attrs.size(); i != e; ++i) {
ID.AddInteger(Attrs[i].Attrs.Raw());
ID.AddInteger(Attrs[i].Index);
}
}
};
} // end llvm namespace
#endif
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