#define LLVM_IR_ATTRIBUTES_H
#include "llvm/ADT/ArrayRef.h"
-#include "llvm/ADT/DenseSet.h"
#include "llvm/ADT/FoldingSet.h"
+#include "llvm/Support/PointerLikeTypeTraits.h"
+#include <bitset>
#include <cassert>
#include <map>
#include <string>
class AttributeSetImpl;
class AttributeSetNode;
class Constant;
+template<typename T> struct DenseMapInfo;
class LLVMContext;
class Type;
enum AttrKind {
// IR-Level Attributes
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))
Naked, ///< Naked function
Nest, ///< Nested function static chain
NoAlias, ///< Considered to not alias after call
+ NoBuiltin, ///< Callee isn't recognized as a builtin
NoCapture, ///< Function creates no aliases of pointer
NoDuplicate, ///< Call cannot be duplicated
NoImplicitFloat, ///< Disable implicit floating point insts
StackProtectReq, ///< Stack protection required.
StackProtectStrong, ///< Strong Stack protection.
StructRet, ///< Hidden pointer to structure to return
- ThreadSafety, ///< Thread safety checking is on.
- UninitializedChecks, ///< Checking for uses of uninitialized memory is on.
+ SanitizeAddress, ///< AddressSanitizer is on.
+ SanitizeThread, ///< ThreadSanitizer is on.
+ SanitizeMemory, ///< MemorySanitizer is on.
UWTable, ///< Function must be in a unwind table
ZExt, ///< Zero extended before/after call
- EndAttrKinds, ///< Sentinal value useful for loops
-
- AttrKindEmptyKey, ///< Empty key value for DenseMapInfo
- AttrKindTombstoneKey ///< Tombstone key value for DenseMapInfo
+ EndAttrKinds ///< Sentinal value useful for loops
};
private:
AttributeImpl *pImpl;
}
};
-//===----------------------------------------------------------------------===//
-/// \class
-/// \brief Provide DenseMapInfo for Attribute::AttrKinds. This is used by
-/// AttrBuilder.
-template<> struct DenseMapInfo<Attribute::AttrKind> {
- static inline Attribute::AttrKind getEmptyKey() {
- return Attribute::AttrKindEmptyKey;
- }
- static inline Attribute::AttrKind getTombstoneKey() {
- return Attribute::AttrKindTombstoneKey;
- }
- static unsigned getHashValue(const Attribute::AttrKind &Val) {
- return Val * 37U;
- }
- static bool isEqual(const Attribute::AttrKind &LHS,
- const Attribute::AttrKind &RHS) {
- return LHS == RHS;
- }
-};
-
//===----------------------------------------------------------------------===//
/// \class
/// \brief This class holds the attributes for a function, its return value, and
explicit AttributeSet(AttributeSetImpl *LI) : pImpl(LI) {}
public:
AttributeSet() : pImpl(0) {}
- AttributeSet(const AttributeSet &P) : pImpl(P.pImpl) {}
- const AttributeSet &operator=(const AttributeSet &RHS) {
- pImpl = RHS.pImpl;
- return *this;
- }
//===--------------------------------------------------------------------===//
// AttributeSet Construction and Mutation
AttributeSet addAttribute(LLVMContext &C, unsigned Idx,
Attribute::AttrKind Attr) const;
+ /// \brief Add an attribute to the attribute set at the given index. Since
+ /// attribute sets are immutable, this returns a new set.
+ AttributeSet addAttribute(LLVMContext &C, unsigned Idx,
+ StringRef Kind) const;
+
/// \brief Add attributes to the attribute set at the given index. Since
/// attribute sets are immutable, this returns a new set.
AttributeSet addAttributes(LLVMContext &C, unsigned Idx,
/// \brief Return true if the attribute exists at the given index.
bool hasAttribute(unsigned Index, Attribute::AttrKind Kind) const;
+ /// \brief Return true if the attribute exists at the given index.
+ bool hasAttribute(unsigned Index, StringRef Kind) const;
+
/// \brief Return true if attribute exists at the given index.
bool hasAttributes(unsigned Index) const;
/// parameter or for the return value.
bool hasAttrSomewhere(Attribute::AttrKind Attr) const;
+ /// \brief Return the attribute object that exists at the given index.
+ Attribute getAttribute(unsigned Index, Attribute::AttrKind Kind) const;
+
+ /// \brief Return the attribute object that exists at the given index.
+ Attribute getAttribute(unsigned Index, StringRef Kind) const;
+
/// \brief Return the alignment for the specified function parameter.
unsigned getParamAlignment(unsigned Idx) const;
unsigned getStackAlignment(unsigned Index) const;
/// \brief Return the attributes at the index as a string.
- std::string getAsString(unsigned Index, bool InAttrGrp = false) const;
+ std::string getAsString(unsigned Index, bool TargetIndependent = false,
+ bool InAttrGrp = false) const;
typedef ArrayRef<Attribute>::iterator iterator;
/// value, however, is not. So this can be used as a quick way to test for
/// equality, presence of attributes, etc.
class AttrBuilder {
- DenseSet<Attribute::AttrKind> Attrs;
+ std::bitset<Attribute::EndAttrKinds> Attrs;
std::map<std::string, std::string> TargetDepAttrs;
uint64_t Alignment;
uint64_t StackAlignment;
public:
- AttrBuilder() : Alignment(0), StackAlignment(0) {}
- explicit AttrBuilder(uint64_t Val) : Alignment(0), StackAlignment(0) {
+ AttrBuilder() : Attrs(0), Alignment(0), StackAlignment(0) {}
+ explicit AttrBuilder(uint64_t Val)
+ : Attrs(0), Alignment(0), StackAlignment(0) {
addRawValue(Val);
}
- AttrBuilder(const Attribute &A) : Alignment(0), StackAlignment(0) {
+ AttrBuilder(const Attribute &A) : Attrs(0), Alignment(0), StackAlignment(0) {
addAttribute(A);
}
AttrBuilder(AttributeSet AS, unsigned Idx);
AttrBuilder &merge(const AttrBuilder &B);
/// \brief Return true if the builder has the specified attribute.
- bool contains(Attribute::AttrKind A) const;
+ bool contains(Attribute::AttrKind A) const {
+ assert((unsigned)A < Attribute::EndAttrKinds && "Attribute out of range!");
+ return Attrs[A];
+ }
/// \brief Return true if the builder has the specified target-dependent
/// attribute.
/// the form used internally in Attribute.
AttrBuilder &addStackAlignmentAttr(unsigned Align);
- // Iterators for target-independent attributes.
- typedef DenseSet<Attribute::AttrKind>::iterator iterator;
- typedef DenseSet<Attribute::AttrKind>::const_iterator const_iterator;
-
- iterator begin() { return Attrs.begin(); }
- iterator end() { return Attrs.end(); }
-
- const_iterator begin() const { return Attrs.begin(); }
- const_iterator end() const { return Attrs.end(); }
-
- bool empty() const { return Attrs.empty(); }
+ /// \brief Return true if the builder contains no target-independent
+ /// attributes.
+ bool empty() const { return Attrs.none(); }
// Iterators for target-dependent attributes.
typedef std::pair<std::string, std::string> td_type;
bool td_empty() const { return TargetDepAttrs.empty(); }
/// \brief Remove attributes that are used on functions only.
- void removeFunctionOnlyAttrs() {
- 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::StackProtectStrong)
- .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::ThreadSafety)
- .removeAttribute(Attribute::UninitializedChecks)
- .removeAttribute(Attribute::MinSize)
- .removeAttribute(Attribute::NoDuplicate);
- }
+ void removeFunctionOnlyAttrs();
bool operator==(const AttrBuilder &B);
bool operator!=(const AttrBuilder &B) {
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