1 //===-- AttributeImpl.h - Attribute Internals -------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines various helper methods and classes used by LLVMContextImpl
11 // for creating and managing attributes.
13 //===----------------------------------------------------------------------===//
15 #ifndef LLVM_ATTRIBUTESIMPL_H
16 #define LLVM_ATTRIBUTESIMPL_H
18 #include "llvm/ADT/FoldingSet.h"
19 #include "llvm/Attributes.h"
25 class AttributeImpl : public FoldingSetNode {
26 uint64_t Bits; // FIXME: We will be expanding this.
28 AttributeImpl(uint64_t bits) : Bits(bits) {}
30 bool hasAttribute(uint64_t A) const;
32 bool hasAttributes() const;
33 bool hasAttributes(const Attribute &A) const;
35 uint64_t getAlignment() const;
36 uint64_t getStackAlignment() const;
38 uint64_t Raw() const { return Bits; } // FIXME: Remove.
40 static uint64_t getAttrMask(uint64_t Val);
42 void Profile(FoldingSetNodeID &ID) const {
45 static void Profile(FoldingSetNodeID &ID, uint64_t Bits) {
50 class AttributeSetImpl : public FoldingSetNode {
51 // AttributesList is uniqued, these should not be publicly available.
52 void operator=(const AttributeSetImpl &) LLVM_DELETED_FUNCTION;
53 AttributeSetImpl(const AttributeSetImpl &) LLVM_DELETED_FUNCTION;
56 SmallVector<AttributeWithIndex, 4> Attrs;
58 AttributeSetImpl(LLVMContext &C, ArrayRef<AttributeWithIndex> attrs)
59 : Context(C), Attrs(attrs.begin(), attrs.end()) {}
61 void Profile(FoldingSetNodeID &ID) const {
64 static void Profile(FoldingSetNodeID &ID, ArrayRef<AttributeWithIndex> Attrs){
65 for (unsigned i = 0, e = Attrs.size(); i != e; ++i) {
66 ID.AddInteger(Attrs[i].Attrs.Raw());
67 ID.AddInteger(Attrs[i].Index);
72 } // end llvm namespace