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-rw-r--r--contrib/llvm/lib/IR/AttributeImpl.h178
1 files changed, 85 insertions, 93 deletions
diff --git a/contrib/llvm/lib/IR/AttributeImpl.h b/contrib/llvm/lib/IR/AttributeImpl.h
index d0d2710..9c7b61f 100644
--- a/contrib/llvm/lib/IR/AttributeImpl.h
+++ b/contrib/llvm/lib/IR/AttributeImpl.h
@@ -1,4 +1,4 @@
-//===-- AttributeImpl.h - Attribute Internals -------------------*- C++ -*-===//
+//===- AttributeImpl.h - Attribute Internals --------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
@@ -16,15 +16,12 @@
#ifndef LLVM_LIB_IR_ATTRIBUTEIMPL_H
#define LLVM_LIB_IR_ATTRIBUTEIMPL_H
-#include "AttributeSetNode.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/FoldingSet.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/IR/Attributes.h"
#include "llvm/Support/TrailingObjects.h"
-#include <algorithm>
#include <cassert>
-#include <climits>
#include <cstddef>
#include <cstdint>
#include <string>
@@ -81,11 +78,13 @@ public:
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);
@@ -101,6 +100,7 @@ public:
class EnumAttributeImpl : public AttributeImpl {
virtual void anchor();
+
Attribute::AttrKind Kind;
protected:
@@ -115,9 +115,10 @@ public:
};
class IntAttributeImpl : public EnumAttributeImpl {
- void anchor() override;
uint64_t Val;
+ void anchor() override;
+
public:
IntAttributeImpl(Attribute::AttrKind Kind, uint64_t Val)
: EnumAttributeImpl(IntAttrEntry, Kind), Val(Val) {
@@ -133,6 +134,7 @@ public:
class StringAttributeImpl : public AttributeImpl {
virtual void anchor();
+
std::string Kind;
std::string Val;
@@ -144,122 +146,112 @@ public:
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> {
- friend class AttributeSet;
+ private TrailingObjects<AttributeListImpl, 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; }
-
- /// \brief Return a pointer to the IndexAttrPair for the specified slot.
- const IndexAttrPair *getNode(unsigned Slot) const {
- return getTrailingObjects<IndexAttrPair>() + Slot;
- }
+ size_t numTrailingObjects(OverloadToken<AttributeSet>) { return NumAttrSets; }
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();
- }
- }
- }
- }
+ AttributeListImpl(LLVMContext &C, ArrayRef<AttributeSet> Sets);
// AttributesSetImpt is uniqued, these should not be available.
- AttributeSetImpl(const AttributeSetImpl &) = delete;
- AttributeSetImpl &operator=(const AttributeSetImpl &) = delete;
+ AttributeListImpl(const AttributeListImpl &) = delete;
+ AttributeListImpl &operator=(const AttributeListImpl &) = delete;
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
- /// 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
+ /// \brief Return true if the AttributeSet or 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;
- iterator begin(unsigned Slot) const { return getSlotNode(Slot)->begin(); }
- iterator end(unsigned Slot) const { return getSlotNode(Slot)->end(); }
+ using iterator = const AttributeSet *;
- void Profile(FoldingSetNodeID &ID) const {
- Profile(ID, makeArrayRef(getNode(0), getNumSlots()));
- }
- static void Profile(FoldingSetNodeID &ID,
- ArrayRef<std::pair<unsigned, AttributeSetNode*>> Nodes) {
- for (const auto &Node : Nodes) {
- ID.AddInteger(Node.first);
- ID.AddPointer(Node.second);
- }
- }
+ iterator begin() const { return getTrailingObjects<AttributeSet>(); }
+ iterator end() const { return begin() + NumAttrSets; }
+
+ void Profile(FoldingSetNodeID &ID) const;
+ static void Profile(FoldingSetNodeID &ID, ArrayRef<AttributeSet> Nodes);
void dump() const;
};
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