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https://github.com/c64scene-ar/llvm-6502.git
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1db9b6957c
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172020 91177308-0d34-0410-b5e6-96231b3b80d8
104 lines
3.3 KiB
C++
104 lines
3.3 KiB
C++
//===-- AttributeImpl.h - Attribute Internals -------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// \brief This file defines various helper methods and classes used by
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/// LLVMContextImpl for creating and managing attributes.
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_ATTRIBUTESIMPL_H
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#define LLVM_ATTRIBUTESIMPL_H
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#include "llvm/ADT/FoldingSet.h"
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#include "llvm/IR/Attributes.h"
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namespace llvm {
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class Constant;
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class LLVMContext;
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//===----------------------------------------------------------------------===//
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/// \class
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/// \brief This class represents a single, uniqued attribute. That attribute
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/// could be a single enum, a tuple, or a string.
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class AttributeImpl : public FoldingSetNode {
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LLVMContext &Context;
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Constant *Data;
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SmallVector<Constant*, 0> Vals;
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public:
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explicit AttributeImpl(LLVMContext &C, uint64_t data);
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explicit AttributeImpl(LLVMContext &C, Attribute::AttrKind data);
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AttributeImpl(LLVMContext &C, Attribute::AttrKind data,
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ArrayRef<Constant*> values);
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AttributeImpl(LLVMContext &C, StringRef data);
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ArrayRef<Constant*> getValues() const { return Vals; }
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bool hasAttribute(Attribute::AttrKind A) const;
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bool hasAttributes() const;
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uint64_t getAlignment() const;
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void setAlignment(unsigned Align);
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uint64_t getStackAlignment() const;
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void setStackAlignment(unsigned Align);
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bool operator==(Attribute::AttrKind Kind) const;
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bool operator!=(Attribute::AttrKind Kind) const;
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bool operator==(StringRef Kind) const;
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bool operator!=(StringRef Kind) const;
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uint64_t Raw() const; // FIXME: Remove.
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static uint64_t getAttrMask(Attribute::AttrKind Val);
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void Profile(FoldingSetNodeID &ID) const {
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Profile(ID, Data, Vals);
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}
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static void Profile(FoldingSetNodeID &ID, Constant *Data,
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ArrayRef<Constant*> Vals);
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};
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//===----------------------------------------------------------------------===//
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/// \class
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/// \brief This class represents a set of attributes.
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class AttributeSetImpl : public FoldingSetNode {
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LLVMContext &Context;
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SmallVector<AttributeWithIndex, 4> AttrList;
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// AttributesSet is uniqued, these should not be publicly available.
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void operator=(const AttributeSetImpl &) LLVM_DELETED_FUNCTION;
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AttributeSetImpl(const AttributeSetImpl &) LLVM_DELETED_FUNCTION;
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public:
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AttributeSetImpl(LLVMContext &C, ArrayRef<AttributeWithIndex> attrs)
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: Context(C), AttrList(attrs.begin(), attrs.end()) {}
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LLVMContext &getContext() { return Context; }
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ArrayRef<AttributeWithIndex> getAttributes() const { return AttrList; }
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unsigned getNumAttributes() const { return AttrList.size(); }
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void Profile(FoldingSetNodeID &ID) const {
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Profile(ID, AttrList);
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}
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static void Profile(FoldingSetNodeID &ID,
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ArrayRef<AttributeWithIndex> AttrList){
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for (unsigned i = 0, e = AttrList.size(); i != e; ++i) {
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ID.AddInteger(AttrList[i].Index);
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ID.AddInteger(AttrList[i].Attrs.Raw());
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}
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}
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};
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} // end llvm namespace
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#endif
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