CbC/CbC_llvm: lib/IR/AttributeImpl.h comparison

comparison lib/IR/AttributeImpl.h @ 121:803732b1fca8

LLVM 5.0

author	kono
date	Fri, 27 Oct 2017 17:07:41 +0900
parents	1172e4bd9c6f
children	c2174574ed3a

comparison

equal deleted inserted replaced

-:1172e4bd9c6f
+:803732b1fca8
-//===-- AttributeImpl.h - Attribute Internals -------------------*- C++ -*-===//
+//===- AttributeImpl.h - Attribute Internals --------------------*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //===----------------------------------------------------------------------===//
 #ifndef LLVM_LIB_IR_ATTRIBUTEIMPL_H
 #define LLVM_LIB_IR_ATTRIBUTEIMPL_H
+#include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/FoldingSet.h"
-#include "llvm/ADT/Optional.h"
+#include "llvm/ADT/StringRef.h"
 #include "llvm/IR/Attributes.h"
-#include "AttributeSetNode.h"
+#include "llvm/Support/TrailingObjects.h"
-#include "llvm/Support/DataTypes.h"
+#include <cassert>
-#include <climits>
+#include <cstddef>
+#include <cstdint>
 #include <string>
+#include <utility>
 namespace llvm {
-class Constant;
 class LLVMContext;
 //===----------------------------------------------------------------------===//
 /// \class
 /// \brief This class represents a single, uniqued attribute. That attribute
 /// could be a single enum, a tuple, or a string.
 class AttributeImpl : public FoldingSetNode {
 unsigned char KindID; ///< Holds the AttrEntryKind of the attribute
-// AttributesImpl is uniqued, these should not be publicly available.
-void operator=(const AttributeImpl &) = delete;
-AttributeImpl(const AttributeImpl &) = delete;
 protected:
 enum AttrEntryKind {
 EnumAttrEntry,
 IntAttrEntry,
 };
 AttributeImpl(AttrEntryKind KindID) : KindID(KindID) {}
 public:
+// AttributesImpl is uniqued, these should not be available.
+AttributeImpl(const AttributeImpl &) = delete;
+AttributeImpl &operator=(const AttributeImpl &) = delete;
 virtual ~AttributeImpl();
 bool isEnumAttribute() const { return KindID == EnumAttrEntry; }
 bool isIntAttribute() const { return KindID == IntAttrEntry; }
 bool isStringAttribute() const { return KindID == StringAttrEntry; }
 else if (isIntAttribute())
 Profile(ID, getKindAsEnum(), getValueAsInt());
 else
 Profile(ID, getKindAsString(), getValueAsString());
 }
 static void Profile(FoldingSetNodeID &ID, Attribute::AttrKind Kind,
 uint64_t Val) {
 ID.AddInteger(Kind);
 if (Val) ID.AddInteger(Val);
 }
 static void Profile(FoldingSetNodeID &ID, StringRef Kind, StringRef Values) {
 ID.AddString(Kind);
 if (!Values.empty()) ID.AddString(Values);
 }
 };
 /// represented by Attribute::AttrKind; alignment attribute entries; and string
 /// attribute enties, which are for target-dependent attributes.
 class EnumAttributeImpl : public AttributeImpl {
 virtual void anchor();
 Attribute::AttrKind Kind;
 protected:
 EnumAttributeImpl(AttrEntryKind ID, Attribute::AttrKind Kind)
 : AttributeImpl(ID), Kind(Kind) {}
 Attribute::AttrKind getEnumKind() const { return Kind; }
 };
 class IntAttributeImpl : public EnumAttributeImpl {
+uint64_t Val;
 void anchor() override;
-uint64_t Val;
 public:
 IntAttributeImpl(Attribute::AttrKind Kind, uint64_t Val)
 : EnumAttributeImpl(IntAttrEntry, Kind), Val(Val) {
 assert((Kind == Attribute::Alignment || Kind == Attribute::StackAlignment ||
 uint64_t getValue() const { return Val; }
 };
 class StringAttributeImpl : public AttributeImpl {
 virtual void anchor();
 std::string Kind;
 std::string Val;
 public:
 StringAttributeImpl(StringRef Kind, StringRef Val = StringRef())
 StringRef getStringKind() const { return Kind; }
 StringRef getStringValue() const { return Val; }
 };
-typedef std::pair<unsigned, AttributeSetNode *> IndexAttrPair;
+//===----------------------------------------------------------------------===//
+/// \class
+/// \brief This class represents a group of attributes that apply to one
+/// element: function, return type, or parameter.
+class AttributeSetNode final
+: public FoldingSetNode,
+private TrailingObjects<AttributeSetNode, Attribute> {
+friend TrailingObjects;
+/// Bitset with a bit for each available attribute Attribute::AttrKind.
+uint64_t AvailableAttrs;
+unsigned NumAttrs; ///< Number of attributes in this node.
+AttributeSetNode(ArrayRef<Attribute> Attrs);
+public:
+// AttributesSetNode is uniqued, these should not be available.
+AttributeSetNode(const AttributeSetNode &) = delete;
+AttributeSetNode &operator=(const AttributeSetNode &) = delete;
+void operator delete(void *p) { ::operator delete(p); }
+static AttributeSetNode *get(LLVMContext &C, const AttrBuilder &B);
+static AttributeSetNode *get(LLVMContext &C, ArrayRef<Attribute> Attrs);
+/// \brief Return the number of attributes this AttributeList contains.
+unsigned getNumAttributes() const { return NumAttrs; }
+bool hasAttribute(Attribute::AttrKind Kind) const {
+return AvailableAttrs & ((uint64_t)1) << Kind;
+}
+bool hasAttribute(StringRef Kind) const;
+bool hasAttributes() const { return NumAttrs != 0; }
+Attribute getAttribute(Attribute::AttrKind Kind) const;
+Attribute getAttribute(StringRef Kind) const;
+unsigned getAlignment() const;
+unsigned getStackAlignment() const;
+uint64_t getDereferenceableBytes() const;
+uint64_t getDereferenceableOrNullBytes() const;
+std::pair<unsigned, Optional<unsigned>> getAllocSizeArgs() const;
+std::string getAsString(bool InAttrGrp) const;
+using iterator = const Attribute *;
+iterator begin() const { return getTrailingObjects<Attribute>(); }
+iterator end() const { return begin() + NumAttrs; }
+void Profile(FoldingSetNodeID &ID) const {
+Profile(ID, makeArrayRef(begin(), end()));
+}
+static void Profile(FoldingSetNodeID &ID, ArrayRef<Attribute> AttrList) {
+for (const auto &Attr : AttrList)
+Attr.Profile(ID);
+}
+};
+using IndexAttrPair = std::pair<unsigned, AttributeSet>;
 //===----------------------------------------------------------------------===//
 /// \class
 /// \brief This class represents a set of attributes that apply to the function,
 /// return type, and parameters.
-class AttributeSetImpl final
+class AttributeListImpl final
 : public FoldingSetNode,
-private TrailingObjects<AttributeSetImpl, IndexAttrPair> {
+private TrailingObjects<AttributeListImpl, AttributeSet> {
-friend class AttributeSet;
+friend class AttributeList;
 friend TrailingObjects;
 private:
-LLVMContext &Context;
-unsigned NumSlots; ///< Number of entries in this set.
 /// Bitset with a bit for each available attribute Attribute::AttrKind.
 uint64_t AvailableFunctionAttrs;
+LLVMContext &Context;
+unsigned NumAttrSets; ///< Number of entries in this set.
 // Helper fn for TrailingObjects class.
-size_t numTrailingObjects(OverloadToken<IndexAttrPair>) { return NumSlots; }
+size_t numTrailingObjects(OverloadToken<AttributeSet>) { return NumAttrSets; }
-/// \brief Return a pointer to the IndexAttrPair for the specified slot.
+public:
-const IndexAttrPair *getNode(unsigned Slot) const {
+AttributeListImpl(LLVMContext &C, ArrayRef<AttributeSet> Sets);
-return getTrailingObjects<IndexAttrPair>() + Slot;
-}
+// AttributesSetImpt is uniqued, these should not be available.
+AttributeListImpl(const AttributeListImpl &) = delete;
-// AttributesSet is uniqued, these should not be publicly available.
+AttributeListImpl &operator=(const AttributeListImpl &) = delete;
-void operator=(const AttributeSetImpl &) = delete;
-AttributeSetImpl(const AttributeSetImpl &) = delete;
-public:
-AttributeSetImpl(LLVMContext &C,
-ArrayRef<std::pair<unsigned, AttributeSetNode *> > Slots)
-: Context(C), NumSlots(Slots.size()), AvailableFunctionAttrs(0) {
-static_assert(Attribute::EndAttrKinds <=
-sizeof(AvailableFunctionAttrs) * CHAR_BIT,
-"Too many attributes");
-#ifndef NDEBUG
-if (Slots.size() >= 2) {
-for (const std::pair<unsigned, AttributeSetNode *> *i = Slots.begin() + 1,
-*e = Slots.end();
-i != e; ++i) {
-assert((i-1)->first <= i->first && "Attribute set not ordered!");
-}
-}
-#endif
-// There's memory after the node where we can store the entries in.
-std::copy(Slots.begin(), Slots.end(), getTrailingObjects<IndexAttrPair>());
-// Initialize AvailableFunctionAttrs summary bitset.
-if (NumSlots > 0) {
-static_assert(AttributeSet::FunctionIndex == ~0u,
-"FunctionIndex should be biggest possible index");
-const std::pair<unsigned, AttributeSetNode *> &Last = Slots.back();
-if (Last.first == AttributeSet::FunctionIndex) {
-const AttributeSetNode *Node = Last.second;
-for (Attribute I : *Node) {
-if (!I.isStringAttribute())
-AvailableFunctionAttrs |= ((uint64_t)1) << I.getKindAsEnum();
-}
-}
-}
-}
 void operator delete(void *p) { ::operator delete(p); }
-/// \brief Get the context that created this AttributeSetImpl.
+/// \brief Get the context that created this AttributeListImpl.
 LLVMContext &getContext() { return Context; }
-/// \brief Return the number of slots used in this attribute list. This is
+/// \brief Return true if the AttributeSet or the FunctionIndex has an
-/// the number of arguments that have an attribute set on them (including the
-/// function itself).
-unsigned getNumSlots() const { return NumSlots; }
-/// \brief Get the index of the given "slot" in the AttrNodes list. This index
-/// is the index of the return, parameter, or function object that the
-/// attributes are applied to, not the index into the AttrNodes list where the
-/// attributes reside.
-unsigned getSlotIndex(unsigned Slot) const {
-return getNode(Slot)->first;
-}
-/// \brief Retrieve the attributes for the given "slot" in the AttrNode list.
-/// \p Slot is an index into the AttrNodes list, not the index of the return /
-/// parameter/ function which the attributes apply to.
-AttributeSet getSlotAttributes(unsigned Slot) const {
-return AttributeSet::get(Context, *getNode(Slot));
-}
-/// \brief Retrieve the attribute set node for the given "slot" in the
-/// AttrNode list.
-AttributeSetNode *getSlotNode(unsigned Slot) const {
-return getNode(Slot)->second;
-}
-/// \brief Return true if the AttributeSetNode for the FunctionIndex has an
 /// enum attribute of the given kind.
 bool hasFnAttribute(Attribute::AttrKind Kind) const {
 return AvailableFunctionAttrs & ((uint64_t)1) << Kind;
 }
-typedef AttributeSetNode::iterator iterator;
+using iterator = const AttributeSet *;
-iterator begin(unsigned Slot) const { return getSlotNode(Slot)->begin(); }
-iterator end(unsigned Slot) const { return getSlotNode(Slot)->end(); }
+iterator begin() const { return getTrailingObjects<AttributeSet>(); }
+iterator end() const { return begin() + NumAttrSets; }
-void Profile(FoldingSetNodeID &ID) const {
-Profile(ID, makeArrayRef(getNode(0), getNumSlots()));
+void Profile(FoldingSetNodeID &ID) const;
-}
+static void Profile(FoldingSetNodeID &ID, ArrayRef<AttributeSet> Nodes);
-static void Profile(FoldingSetNodeID &ID,
-ArrayRef<std::pair<unsigned, AttributeSetNode*> > Nodes) {
-for (unsigned i = 0, e = Nodes.size(); i != e; ++i) {
-ID.AddInteger(Nodes[i].first);
-ID.AddPointer(Nodes[i].second);
-}
-}
 void dump() const;
 };
-} // end llvm namespace
+} // end namespace llvm
-#endif
+#endif // LLVM_LIB_IR_ATTRIBUTEIMPL_H

Mercurial > hg > CbC > CbC_llvm

comparison lib/IR/AttributeImpl.h @ 121:803732b1fca8