// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
-//
-// This file contains the simple types necessary to represent the
-// attributes associated with functions and their calls.
-//
+///
+/// \file
+/// \brief This file contains the simple types necessary to represent the
+/// attributes associated with functions and their calls.
+///
//===----------------------------------------------------------------------===//
#ifndef LLVM_ATTRIBUTES_H
#define LLVM_ATTRIBUTES_H
-#include "llvm/Support/MathExtras.h"
#include "llvm/ADT/ArrayRef.h"
+#include "llvm/Support/MathExtras.h"
#include <cassert>
#include <string>
namespace llvm {
class AttrBuilder;
-class AttributesImpl;
+class AttributeImpl;
class LLVMContext;
class Type;
-/// Attributes - A bitset of attributes.
-class Attributes {
+//===----------------------------------------------------------------------===//
+/// \class
+/// \brief Functions, function parameters, and return types can have attributes
+/// to indicate how they should be treated by optimizations and code
+/// generation. This class represents one of those attributes. It's light-weight
+/// and should be passed around by-value.
+class Attribute {
public:
- /// Function parameters and results can have attributes to indicate how they
- /// should be treated by optimizations and code generation. This enumeration
- /// lists the attributes that can be associated with parameters, function
- /// results or the function itself.
- ///
- /// Note that uwtable is about the ABI or the user mandating an entry in the
+ /// This enumeration lists the attributes that can be associated with
+ /// parameters, function results or the function itself.
+ ///
+ /// Note: uwtable is about the ABI or the user mandating an entry in the
/// unwind table. The nounwind attribute is about an exception passing by the
/// function.
- ///
+ ///
/// In a theoretical system that uses tables for profiling and sjlj for
/// exceptions, they would be fully independent. In a normal system that uses
/// tables for both, the semantics are:
- ///
+ ///
/// nil = Needs an entry because an exception might pass by.
/// nounwind = No need for an entry
/// uwtable = Needs an entry because the ABI says so and because
/// an exception might pass by.
/// uwtable + nounwind = Needs an entry because the ABI says so.
- enum AttrVal {
+ enum AttrKind {
// IR-Level Attributes
- None = 0, ///< No attributes have been set
- AddressSafety = 1, ///< Address safety checking is on.
- Alignment = 2, ///< Alignment of parameter (5 bits)
+ None, ///< No attributes have been set
+ AddressSafety, ///< Address safety checking is on.
+ Alignment, ///< Alignment of parameter (5 bits)
///< stored as log2 of alignment with +1 bias
- ///< 0 means unaligned different from align 1
- AlwaysInline = 3, ///< inline=always
- ByVal = 4, ///< Pass structure by value
- InlineHint = 5, ///< Source said inlining was desirable
- InReg = 6, ///< Force argument to be passed in register
- Naked = 7, ///< Naked function
- Nest = 8, ///< Nested function static chain
- NoAlias = 9, ///< Considered to not alias after call
- NoCapture = 10, ///< Function creates no aliases of pointer
- NoImplicitFloat = 11, ///< Disable implicit floating point insts
- NoInline = 12, ///< inline=never
- NonLazyBind = 13, ///< Function is called early and/or
+ ///< 0 means unaligned (different from align(1))
+ AlwaysInline, ///< inline=always
+ ByVal, ///< Pass structure by value
+ InlineHint, ///< Source said inlining was desirable
+ InReg, ///< Force argument to be passed in register
+ MinSize, ///< Function must be optimized for size first
+ Naked, ///< Naked function
+ Nest, ///< Nested function static chain
+ NoAlias, ///< Considered to not alias after call
+ NoCapture, ///< Function creates no aliases of pointer
+ NoDuplicate, ///< Call cannot be duplicated
+ NoImplicitFloat, ///< Disable implicit floating point insts
+ NoInline, ///< inline=never
+ NonLazyBind, ///< Function is called early and/or
///< often, so lazy binding isn't worthwhile
- NoRedZone = 14, ///< Disable redzone
- NoReturn = 15, ///< Mark the function as not returning
- NoUnwind = 16, ///< Function doesn't unwind stack
- OptimizeForSize = 17, ///< opt_size
- ReadNone = 18, ///< Function does not access memory
- ReadOnly = 19, ///< Function only reads from memory
- ReturnsTwice = 20, ///< Function can return twice
- SExt = 21, ///< Sign extended before/after call
- StackAlignment = 22, ///< Alignment of stack for function (3 bits)
+ NoRedZone, ///< Disable redzone
+ NoReturn, ///< Mark the function as not returning
+ NoUnwind, ///< Function doesn't unwind stack
+ OptimizeForSize, ///< opt_size
+ ReadNone, ///< Function does not access memory
+ ReadOnly, ///< Function only reads from memory
+ ReturnsTwice, ///< Function can return twice
+ SExt, ///< Sign extended before/after call
+ StackAlignment, ///< Alignment of stack for function (3 bits)
///< stored as log2 of alignment with +1 bias 0
///< means unaligned (different from
- ///< alignstack={1))
- StackProtect = 23, ///< Stack protection.
- StackProtectReq = 24, ///< Stack protection required.
- StructRet = 25, ///< Hidden pointer to structure to return
- UWTable = 26, ///< Function must be in a unwind table
- ZExt = 27 ///< Zero extended before/after call
+ ///< alignstack=(1))
+ StackProtect, ///< Stack protection.
+ StackProtectReq, ///< Stack protection required.
+ StructRet, ///< Hidden pointer to structure to return
+ UWTable, ///< Function must be in a unwind table
+ ZExt ///< Zero extended before/after call
};
private:
- AttributesImpl *Attrs;
- Attributes(AttributesImpl *A) : Attrs(A) {}
+ AttributeImpl *pImpl;
+ Attribute(AttributeImpl *A) : pImpl(A) {}
public:
- Attributes() : Attrs(0) {}
- Attributes(const Attributes &A) : Attrs(A.Attrs) {}
- Attributes &operator=(const Attributes &A) {
- Attrs = A.Attrs;
- return *this;
- }
+ Attribute() : pImpl(0) {}
- /// get - Return a uniquified Attributes object. This takes the uniquified
- /// value from the Builder and wraps it in the Attributes class.
- static Attributes get(LLVMContext &Context, ArrayRef<AttrVal> Vals);
- static Attributes get(LLVMContext &Context, AttrBuilder &B);
+ /// \brief Return a uniquified Attribute object. This takes the uniquified
+ /// value from the Builder and wraps it in the Attribute class.
+ static Attribute get(LLVMContext &Context, ArrayRef<AttrKind> Vals);
+ static Attribute get(LLVMContext &Context, AttrBuilder &B);
- /// @brief Return true if the attribute is present.
- bool hasAttribute(AttrVal Val) const;
+ /// \brief Return true if the attribute is present.
+ bool hasAttribute(AttrKind Val) const;
- /// @brief Return true if attributes exist
+ /// \brief Return true if attributes exist
bool hasAttributes() const;
- /// @brief Return true if the attributes are a non-null intersection.
- bool hasAttributes(const Attributes &A) const;
+ /// \brief Return true if the attributes are a non-null intersection.
+ bool hasAttributes(const Attribute &A) const;
- /// @brief Returns the alignment field of an attribute as a byte alignment
+ /// \brief Returns the alignment field of an attribute as a byte alignment
/// value.
unsigned getAlignment() const;
- /// @brief Returns the stack alignment field of an attribute as a byte
+ /// \brief Returns the stack alignment field of an attribute as a byte
/// alignment value.
unsigned getStackAlignment() const;
- /// @brief Parameter attributes that do not apply to vararg call arguments.
- bool hasIncompatibleWithVarArgsAttrs() const {
- return hasAttribute(Attributes::StructRet);
- }
-
- /// @brief Attributes that only apply to function parameters.
- bool hasParameterOnlyAttrs() const {
- return hasAttribute(Attributes::ByVal) ||
- hasAttribute(Attributes::Nest) ||
- hasAttribute(Attributes::StructRet) ||
- hasAttribute(Attributes::NoCapture);
- }
+ bool operator==(AttrKind K) const;
+ bool operator!=(AttrKind K) const;
- /// @brief Attributes that may be applied to the function itself. These cannot
- /// be used on return values or function parameters.
- bool hasFunctionOnlyAttrs() const {
- return hasAttribute(Attributes::NoReturn) ||
- hasAttribute(Attributes::NoUnwind) ||
- hasAttribute(Attributes::ReadNone) ||
- hasAttribute(Attributes::ReadOnly) ||
- hasAttribute(Attributes::NoInline) ||
- hasAttribute(Attributes::AlwaysInline) ||
- hasAttribute(Attributes::OptimizeForSize) ||
- hasAttribute(Attributes::StackProtect) ||
- hasAttribute(Attributes::StackProtectReq) ||
- hasAttribute(Attributes::NoRedZone) ||
- hasAttribute(Attributes::NoImplicitFloat) ||
- hasAttribute(Attributes::Naked) ||
- hasAttribute(Attributes::InlineHint) ||
- hasAttribute(Attributes::StackAlignment) ||
- hasAttribute(Attributes::UWTable) ||
- hasAttribute(Attributes::NonLazyBind) ||
- hasAttribute(Attributes::ReturnsTwice) ||
- hasAttribute(Attributes::AddressSafety);
+ // FIXME: Remove these 'operator' methods.
+ bool operator==(const Attribute &A) const {
+ return pImpl == A.pImpl;
}
-
- bool operator==(const Attributes &A) const {
- return Attrs == A.Attrs;
- }
- bool operator!=(const Attributes &A) const {
- return Attrs != A.Attrs;
+ bool operator!=(const Attribute &A) const {
+ return pImpl != A.pImpl;
}
- uint64_t Raw() const;
+ uint64_t getBitMask() const;
- /// @brief Which attributes cannot be applied to a type.
- static Attributes typeIncompatible(Type *Ty);
+ /// \brief Which attributes cannot be applied to a type.
+ static Attribute typeIncompatible(Type *Ty);
- /// encodeLLVMAttributesForBitcode - This returns an integer containing an
- /// encoding of all the LLVM attributes found in the given attribute bitset.
- /// Any change to this encoding is a breaking change to bitcode compatibility.
- static uint64_t encodeLLVMAttributesForBitcode(Attributes Attrs);
+ /// \brief This returns an integer containing an encoding of all the LLVM
+ /// attributes found in the given attribute bitset. Any change to this
+ /// encoding is a breaking change to bitcode compatibility.
+ static uint64_t encodeLLVMAttributesForBitcode(Attribute Attrs);
- /// decodeLLVMAttributesForBitcode - This returns an attribute bitset
- /// containing the LLVM attributes that have been decoded from the given
- /// integer. This function must stay in sync with
- /// 'encodeLLVMAttributesForBitcode'.
- static Attributes decodeLLVMAttributesForBitcode(LLVMContext &C,
- uint64_t EncodedAttrs);
+ /// \brief This returns an attribute bitset containing the LLVM attributes
+ /// that have been decoded from the given integer. This function must stay in
+ /// sync with 'encodeLLVMAttributesForBitcode'.
+ static Attribute decodeLLVMAttributesForBitcode(LLVMContext &C,
+ uint64_t EncodedAttrs);
- /// getAsString - The set of Attributes set in Attributes is converted to a
- /// string of equivalent mnemonics. This is, presumably, for writing out the
- /// mnemonics for the assembly writer.
- /// @brief Convert attribute bits to text
+ /// \brief The Attribute is converted to a string of equivalent mnemonic. This
+ /// is, presumably, for writing out the mnemonics for the assembly writer.
std::string getAsString() const;
};
//===----------------------------------------------------------------------===//
-/// AttrBuilder - This class is used in conjunction with the Attributes::get
-/// method to create an Attributes object. The object itself is uniquified. The
-/// Builder's value, however, is not. So this can be used as a quick way to test
-/// for equality, presence of attributes, etc.
+/// \class
+/// \brief This class is used in conjunction with the Attribute::get method to
+/// create an Attribute object. The object itself is uniquified. The Builder's
+/// value, however, is not. So this can be used as a quick way to test for
+/// equality, presence of attributes, etc.
class AttrBuilder {
- friend class Attributes;
uint64_t Bits;
public:
AttrBuilder() : Bits(0) {}
explicit AttrBuilder(uint64_t B) : Bits(B) {}
- AttrBuilder(const Attributes &A) : Bits(A.Raw()) {}
- AttrBuilder(const AttrBuilder &B) : Bits(B.Bits) {}
+ AttrBuilder(const Attribute &A) : Bits(A.getBitMask()) {}
void clear() { Bits = 0; }
/// addAttribute - Add an attribute to the builder.
- AttrBuilder &addAttribute(Attributes::AttrVal Val);
+ AttrBuilder &addAttribute(Attribute::AttrKind Val);
/// removeAttribute - Remove an attribute from the builder.
- AttrBuilder &removeAttribute(Attributes::AttrVal Val);
+ AttrBuilder &removeAttribute(Attribute::AttrKind Val);
/// addAttribute - Add the attributes from A to the builder.
- AttrBuilder &addAttributes(const Attributes &A);
+ AttrBuilder &addAttributes(const Attribute &A);
/// removeAttribute - Remove the attributes from A from the builder.
- AttrBuilder &removeAttributes(const Attributes &A);
+ AttrBuilder &removeAttributes(const Attribute &A);
- /// hasAttribute - Return true if the builder has the specified attribute.
- bool hasAttribute(Attributes::AttrVal A) const;
+ /// \brief Return true if the builder has the specified attribute.
+ bool contains(Attribute::AttrKind A) const;
/// hasAttributes - Return true if the builder has IR-level attributes.
bool hasAttributes() const;
/// hasAttributes - Return true if the builder has any attribute that's in the
/// specified attribute.
- bool hasAttributes(const Attributes &A) const;
+ bool hasAttributes(const Attribute &A) const;
/// hasAlignmentAttr - Return true if the builder has an alignment attribute.
bool hasAlignmentAttr() const;
uint64_t getStackAlignment() const;
/// addAlignmentAttr - This turns an int alignment (which must be a power of
- /// 2) into the form used internally in Attributes.
+ /// 2) into the form used internally in Attribute.
AttrBuilder &addAlignmentAttr(unsigned Align);
/// addStackAlignmentAttr - This turns an int stack alignment (which must be a
- /// power of 2) into the form used internally in Attributes.
+ /// power of 2) into the form used internally in Attribute.
AttrBuilder &addStackAlignmentAttr(unsigned Align);
/// addRawValue - Add the raw value to the internal representation.
/// @brief Remove attributes that are used on functions only.
void removeFunctionOnlyAttrs() {
- removeAttribute(Attributes::NoReturn)
- .removeAttribute(Attributes::NoUnwind)
- .removeAttribute(Attributes::ReadNone)
- .removeAttribute(Attributes::ReadOnly)
- .removeAttribute(Attributes::NoInline)
- .removeAttribute(Attributes::AlwaysInline)
- .removeAttribute(Attributes::OptimizeForSize)
- .removeAttribute(Attributes::StackProtect)
- .removeAttribute(Attributes::StackProtectReq)
- .removeAttribute(Attributes::NoRedZone)
- .removeAttribute(Attributes::NoImplicitFloat)
- .removeAttribute(Attributes::Naked)
- .removeAttribute(Attributes::InlineHint)
- .removeAttribute(Attributes::StackAlignment)
- .removeAttribute(Attributes::UWTable)
- .removeAttribute(Attributes::NonLazyBind)
- .removeAttribute(Attributes::ReturnsTwice)
- .removeAttribute(Attributes::AddressSafety);
+ removeAttribute(Attribute::NoReturn)
+ .removeAttribute(Attribute::NoUnwind)
+ .removeAttribute(Attribute::ReadNone)
+ .removeAttribute(Attribute::ReadOnly)
+ .removeAttribute(Attribute::NoInline)
+ .removeAttribute(Attribute::AlwaysInline)
+ .removeAttribute(Attribute::OptimizeForSize)
+ .removeAttribute(Attribute::StackProtect)
+ .removeAttribute(Attribute::StackProtectReq)
+ .removeAttribute(Attribute::NoRedZone)
+ .removeAttribute(Attribute::NoImplicitFloat)
+ .removeAttribute(Attribute::Naked)
+ .removeAttribute(Attribute::InlineHint)
+ .removeAttribute(Attribute::StackAlignment)
+ .removeAttribute(Attribute::UWTable)
+ .removeAttribute(Attribute::NonLazyBind)
+ .removeAttribute(Attribute::ReturnsTwice)
+ .removeAttribute(Attribute::AddressSafety)
+ .removeAttribute(Attribute::MinSize)
+ .removeAttribute(Attribute::NoDuplicate);
}
+ uint64_t getBitMask() const { return Bits; }
+
bool operator==(const AttrBuilder &B) {
return Bits == B.Bits;
}
};
//===----------------------------------------------------------------------===//
-// AttributeWithIndex
-//===----------------------------------------------------------------------===//
-
-/// AttributeWithIndex - This is just a pair of values to associate a set of
-/// attributes with an index.
+/// \class
+/// \brief This is just a pair of values to associate a set of attributes with
+/// an index.
struct AttributeWithIndex {
- Attributes Attrs; ///< The attributes that are set, or'd together.
- unsigned Index; ///< Index of the parameter for which the attributes apply.
- ///< Index 0 is used for return value attributes.
- ///< Index ~0U is used for function attributes.
+ Attribute Attrs; ///< The attributes that are set, or'd together.
+ unsigned Index; ///< Index of the parameter for which the attributes apply.
+ ///< Index 0 is used for return value attributes.
+ ///< Index ~0U is used for function attributes.
static AttributeWithIndex get(LLVMContext &C, unsigned Idx,
- ArrayRef<Attributes::AttrVal> Attrs) {
- AttrBuilder B;
-
- for (ArrayRef<Attributes::AttrVal>::iterator I = Attrs.begin(),
- E = Attrs.end(); I != E; ++I)
- B.addAttribute(*I);
-
- AttributeWithIndex P;
- P.Index = Idx;
- P.Attrs = Attributes::get(C, B);
- return P;
+ ArrayRef<Attribute::AttrKind> Attrs) {
+ return get(Idx, Attribute::get(C, Attrs));
}
- static AttributeWithIndex get(unsigned Idx, Attributes Attrs) {
+ static AttributeWithIndex get(unsigned Idx, Attribute Attrs) {
AttributeWithIndex P;
P.Index = Idx;
P.Attrs = Attrs;
};
//===----------------------------------------------------------------------===//
-// AttrListPtr Smart Pointer
+// AttributeSet Smart Pointer
//===----------------------------------------------------------------------===//
-class AttributeListImpl;
+class AttributeSetImpl;
-/// AttrListPtr - This class manages the ref count for the opaque
-/// AttributeListImpl object and provides accessors for it.
-class AttrListPtr {
+//===----------------------------------------------------------------------===//
+/// \class
+/// \brief This class manages the ref count for the opaque AttributeSetImpl
+/// object and provides accessors for it.
+class AttributeSet {
public:
enum AttrIndex {
ReturnIndex = 0U,
FunctionIndex = ~0U
};
private:
- /// AttrList - The attributes that we are managing. This can be null
- /// to represent the empty attributes list.
- AttributeListImpl *AttrList;
+ /// \brief The attributes that we are managing. This can be null to represent
+ /// the empty attributes list.
+ AttributeSetImpl *AttrList;
+
+ /// \brief The attributes for the specified index are returned. Attributes
+ /// for the result are denoted with Idx = 0.
+ Attribute getAttributes(unsigned Idx) const;
+
+ explicit AttributeSet(AttributeSetImpl *LI) : AttrList(LI) {}
public:
- AttrListPtr() : AttrList(0) {}
- AttrListPtr(const AttrListPtr &P);
- const AttrListPtr &operator=(const AttrListPtr &RHS);
- ~AttrListPtr();
+ AttributeSet() : AttrList(0) {}
+ AttributeSet(const AttributeSet &P) : AttrList(P.AttrList) {}
+ const AttributeSet &operator=(const AttributeSet &RHS);
//===--------------------------------------------------------------------===//
// Attribute List Construction and Mutation
//===--------------------------------------------------------------------===//
- /// get - Return a Attributes list with the specified parameters in it.
- static Attr
ListPtr get(ArrayRef<AttributeWithIndex> Attrs);
+ /// \brief Return an AttributeSet with the specified parameters in it.
+ static Attr
ibuteSet get(LLVMContext &C, ArrayRef<AttributeWithIndex> Attrs);
- /// addAttr - Add the specified attribute at the specified index to this
- /// attribute list. Since attribute lists are immutable, this
- /// returns the new list.
- AttrListPtr addAttr(LLVMContext &C, unsigned Idx, Attributes Attrs) const;
+ /// \brief Add the specified attribute at the specified index to this
+ /// attribute list. Since attribute lists are immutable, this returns the new
+ /// list.
+ AttributeSet addAttr(LLVMContext &C, unsigned Idx, Attribute Attrs) const;
- /// removeAttr - Remove the specified attribute at the specified index from
- /// this attribute list. Since attribute lists are immutable, this
- /// returns the new list.
- AttrListPtr removeAttr(LLVMContext &C, unsigned Idx, Attributes Attrs) const;
+ /// \brief Remove the specified attribute at the specified index from this
+ /// attribute list. Since attribute lists are immutable, this returns the new
+ /// list.
+ AttributeSet removeAttr(LLVMContext &C, unsigned Idx, Attribute Attrs) const;
//===--------------------------------------------------------------------===//
// Attribute List Accessors
//===--------------------------------------------------------------------===//
- /// getParamAttributes - The attributes for the specified index are
- /// returned.
- Attributes getParamAttributes(unsigned Idx) const {
+
+ /// \brief The attributes for the specified index are returned.
+ Attribute getParamAttributes(unsigned Idx) const {
return getAttributes(Idx);
}
- /// getRetAttributes - The attributes for the ret value are
- /// returned.
- Attributes getRetAttributes() const {
+ /// \brief The attributes for the ret value are returned.
+ Attribute getRetAttributes() const {
return getAttributes(ReturnIndex);
}
- /// getFnAttributes - The function attributes are returned.
- Attributes getFnAttributes() const {
+ /// \brief The function attributes are returned.
+ Attribute getFnAttributes() const {
return getAttributes(FunctionIndex);
}
- /// paramHasAttr - Return true if the specified parameter index has the
- /// specified attribute set.
- bool paramHasAttr(unsigned Idx, Attributes Attr) const {
- return getAttributes(Idx).hasAttributes(Attr);
- }
-
- /// getParamAlignment - Return the alignment for the specified function
- /// parameter.
+ /// \brief Return the alignment for the specified function parameter.
unsigned getParamAlignment(unsigned Idx) const {
return getAttributes(Idx).getAlignment();
}
- /// hasAttrSomewhere - Return true if the specified attribute is set for at
- /// least one parameter or for the return value.
- bool hasAttrSomewhere(Attributes::AttrVal Attr) const;
+ /// \brief Return true if the attribute exists at the given index.
+ bool hasAttribute(unsigned Index, Attribute::AttrKind Kind) const;
- unsigned getNumAttrs() const;
- Attributes &getAttributesAtIndex(unsigned i) const;
+ /// \brief Return true if attribute exists at the given index.
+ bool hasAttributes(unsigned Index) const;
- /// operator==/!= - Provide equality predicates.
- bool operator==(const AttrListPtr &RHS) const
- { return AttrList == RHS.AttrList; }
- bool operator!=(const AttrListPtr &RHS) const
- { return AttrList != RHS.AttrList; }
+ /// \brief Get the stack alignment.
+ unsigned getStackAlignment(unsigned Index) const;
- void dump() const;
+ /// \brief Return the attributes at the index as a string.
+ std::string getAsString(unsigned Index) const;
+
+ uint64_t getBitMask(unsigned Index) const;
+
+ /// \brief Return true if the specified attribute is set for at least one
+ /// parameter or for the return value.
+ bool hasAttrSomewhere(Attribute::AttrKind Attr) const;
+
+ /// operator==/!= - Provide equality predicates.
+ bool operator==(const AttributeSet &RHS) const {
+ return AttrList == RHS.AttrList;
+ }
+ bool operator!=(const AttributeSet &RHS) const {
+ return AttrList != RHS.AttrList;
+ }
//===--------------------------------------------------------------------===//
// Attribute List Introspection
//===--------------------------------------------------------------------===//
- /// getRawPointer - Return a raw pointer that uniquely identifies this
- /// attribute list.
+ /// \brief Return a raw pointer that uniquely identifies this attribute list.
void *getRawPointer() const {
return AttrList;
}
- // Attributes are stored as a dense set of slots, where there is one
- // slot for each argument that has an attribute. This allows walking over the
- // dense set instead of walking the sparse list of attributes.
+ // Attributes are stored as a dense set of slots, where there is one slot for
+ // each argument that has an attribute. This allows walking over the dense
+ // set instead of walking the sparse list of attributes.
- /// isEmpty - Return true if there are no attributes.
- ///
+ /// \brief Return true if there are no attributes.
bool isEmpty() const {
return AttrList == 0;
}
- /// getNumSlots - 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).
+ /// \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;
- /// getSlot - Return the AttributeWithIndex at the specified slot. This
- /// holds a index number plus a set of attributes.
+ /// \brief Return the AttributeWithIndex at the specified slot. This holds a
+ /// index number plus a set of attributes.
const AttributeWithIndex &getSlot(unsigned Slot) const;
-private:
- explicit AttrListPtr(AttributeListImpl *L);
-
- /// getAttributes - The attributes for the specified index are
- /// returned. Attributes for the result are denoted with Idx = 0.
- Attributes getAttributes(unsigned Idx) const;
+ void dump() const;
};
-} // End llvm namespace
+} // end llvm namespace
#endif
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