#include "llvm/Type.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/FoldingSet.h"
-#include "llvm/System/Mutex.h"
-#include "llvm/Support/Streams.h"
+#include "llvm/Support/Atomic.h"
+#include "llvm/Support/Mutex.h"
+#include "llvm/Support/Debug.h"
#include "llvm/Support/ManagedStatic.h"
+#include "llvm/Support/raw_ostream.h"
using namespace llvm;
//===----------------------------------------------------------------------===//
// Attribute Function Definitions
//===----------------------------------------------------------------------===//
-std::string Attribute::getAsString(Attributes Attrs) {
+std::string Attributes::getAsString() const {
std::string Result;
- if (Attrs & Attribute::ZExt)
+ if (hasZExtAttr())
Result += "zeroext ";
- if (Attrs & Attribute::SExt)
+ if (hasSExtAttr())
Result += "signext ";
- if (Attrs & Attribute::NoReturn)
+ if (hasNoReturnAttr())
Result += "noreturn ";
- if (Attrs & Attribute::NoUnwind)
+ if (hasNoUnwindAttr())
Result += "nounwind ";
- if (Attrs & Attribute::InReg)
+ if (hasUWTableAttr())
+ Result += "uwtable ";
+ if (hasReturnsTwiceAttr())
+ Result += "returns_twice ";
+ if (hasInRegAttr())
Result += "inreg ";
- if (Attrs & Attribute::NoAlias)
+ if (hasNoAliasAttr())
Result += "noalias ";
- if (Attrs & Attribute::NoCapture)
+ if (hasNoCaptureAttr())
Result += "nocapture ";
- if (Attrs & Attribute::StructRet)
+ if (hasStructRetAttr())
Result += "sret ";
- if (Attrs & Attribute::ByVal)
+ if (hasByValAttr())
Result += "byval ";
- if (Attrs & Attribute::Nest)
+ if (hasNestAttr())
Result += "nest ";
- if (Attrs & Attribute::ReadNone)
+ if (hasReadNoneAttr())
Result += "readnone ";
- if (Attrs & Attribute::ReadOnly)
+ if (hasReadOnlyAttr())
Result += "readonly ";
- if (Attrs & Attribute::OptimizeForSize)
+ if (hasOptimizeForSizeAttr())
Result += "optsize ";
- if (Attrs & Attribute::NoInline)
+ if (hasNoInlineAttr())
Result += "noinline ";
- if (Attrs & Attribute::AlwaysInline)
+ if (hasInlineHintAttr())
+ Result += "inlinehint ";
+ if (hasAlwaysInlineAttr())
Result += "alwaysinline ";
- if (Attrs & Attribute::StackProtect)
+ if (hasStackProtectAttr())
Result += "ssp ";
- if (Attrs & Attribute::StackProtectReq)
+ if (hasStackProtectReqAttr())
Result += "sspreq ";
- if (Attrs & Attribute::NoRedZone)
+ if (hasNoRedZoneAttr())
Result += "noredzone ";
- if (Attrs & Attribute::NoImplicitFloat)
+ if (hasNoImplicitFloatAttr())
Result += "noimplicitfloat ";
- if (Attrs & Attribute::Naked)
+ if (hasNakedAttr())
Result += "naked ";
- if (Attrs & Attribute::Alignment) {
+ if (hasNonLazyBindAttr())
+ Result += "nonlazybind ";
+ if (hasAddressSafetyAttr())
+ Result += "address_safety ";
+ if (hasStackAlignmentAttr()) {
+ Result += "alignstack(";
+ Result += utostr(getStackAlignment());
+ Result += ") ";
+ }
+ if (hasAlignmentAttr()) {
Result += "align ";
- Result += utostr(Attribute::getAlignmentFromAttrs(Attrs));
+ Result += utostr(getAlignment());
Result += " ";
}
// Trim the trailing space.
return Result;
}
-Attributes Attribute::typeIncompatible(const Type *Ty) {
+Attributes Attribute::typeIncompatible(Type *Ty) {
Attributes Incompatible = None;
- if (!Ty->isInteger())
+ if (!Ty->isIntegerTy())
// Attributes that only apply to integers.
Incompatible |= SExt | ZExt;
- if (!isa<PointerType>(Ty))
+ if (!Ty->isPointerTy())
// Attributes that only apply to pointers.
Incompatible |= ByVal | Nest | NoAlias | StructRet | NoCapture;
//===----------------------------------------------------------------------===//
namespace llvm {
+ class AttributeListImpl;
+}
+
+static ManagedStatic<FoldingSet<AttributeListImpl> > AttributesLists;
+
+namespace llvm {
+static ManagedStatic<sys::SmartMutex<true> > ALMutex;
+
class AttributeListImpl : public FoldingSetNode {
- unsigned RefCount;
+ sys::cas_flag RefCount;
// AttributesList is uniqued, these should not be publicly available.
- void operator=(const AttributeListImpl &); // Do not implement
- AttributeListImpl(const AttributeListImpl &); // Do not implement
+ void operator=(const AttributeListImpl &) LLVM_DELETED_FUNCTION;
+ AttributeListImpl(const AttributeListImpl &) LLVM_DELETED_FUNCTION;
~AttributeListImpl(); // Private implementation
public:
SmallVector<AttributeWithIndex, 4> Attrs;
- AttributeListImpl(const AttributeWithIndex *Attr, unsigned NumAttrs)
- : Attrs(Attr, Attr+NumAttrs) {
+ AttributeListImpl(ArrayRef<AttributeWithIndex> attrs)
+ : Attrs(attrs.begin(), attrs.end()) {
RefCount = 0;
}
- void AddRef() { ++RefCount; }
- void DropRef() { if (--RefCount == 0) delete this; }
+ void AddRef() {
+ sys::SmartScopedLock<true> Lock(*ALMutex);
+ ++RefCount;
+ }
+ void DropRef() {
+ sys::SmartScopedLock<true> Lock(*ALMutex);
+ if (!AttributesLists.isConstructed())
+ return;
+ sys::cas_flag new_val = --RefCount;
+ if (new_val == 0)
+ delete this;
+ }
void Profile(FoldingSetNodeID &ID) const {
- Profile(ID, Attrs.data(), Attrs.size());
+ Profile(ID, Attrs);
}
- static void Profile(FoldingSetNodeID &ID, const AttributeWithIndex *Attr,
- unsigned NumAttrs) {
- for (unsigned i = 0; i != NumAttrs; ++i)
- ID.AddInteger(uint64_t(Attr[i].Attrs) << 32 | unsigned(Attr[i].Index));
+ static void Profile(FoldingSetNodeID &ID, ArrayRef<AttributeWithIndex> Attrs){
+ for (unsigned i = 0, e = Attrs.size(); i != e; ++i) {
+ ID.AddInteger(Attrs[i].Attrs.Raw());
+ ID.AddInteger(Attrs[i].Index);
+ }
}
};
}
-static ManagedStatic<sys::SmartMutex<true> > ALMutex;
-static ManagedStatic<FoldingSet<AttributeListImpl> > AttributesLists;
-
AttributeListImpl::~AttributeListImpl() {
- sys::SmartScopedLock<true> Lock(*ALMutex);
+ // NOTE: Lock must be acquired by caller.
AttributesLists->RemoveNode(this);
}
-AttrListPtr AttrListPtr::get(const AttributeWithIndex *Attrs, unsigned NumAttrs) {
+AttrListPtr AttrListPtr::get(ArrayRef<AttributeWithIndex> Attrs) {
// If there are no attributes then return a null AttributesList pointer.
- if (NumAttrs == 0)
+ if (Attrs.empty())
return AttrListPtr();
#ifndef NDEBUG
- for (unsigned i = 0; i != NumAttrs; ++i) {
- assert(Attrs[i].Attrs != Attribute::None &&
+ for (unsigned i = 0, e = Attrs.size(); i != e; ++i) {
+ assert(Attrs[i].Attrs.hasAttributes() &&
"Pointless attribute!");
assert((!i || Attrs[i-1].Index < Attrs[i].Index) &&
"Misordered AttributesList!");
// Otherwise, build a key to look up the existing attributes.
FoldingSetNodeID ID;
- AttributeListImpl::Profile(ID, Attrs, NumAttrs);
+ AttributeListImpl::Profile(ID, Attrs);
void *InsertPos;
sys::SmartScopedLock<true> Lock(*ALMutex);
// If we didn't find any existing attributes of the same shape then
// create a new one and insert it.
if (!PAL) {
- PAL = new AttributeListImpl(Attrs, NumAttrs);
+ PAL = new AttributeListImpl(Attrs);
AttributesLists->InsertNode(PAL, InsertPos);
}
//===----------------------------------------------------------------------===//
AttrListPtr::AttrListPtr(AttributeListImpl *LI) : AttrList(LI) {
- sys::SmartScopedLock<true> Lock(*ALMutex);
if (LI) LI->AddRef();
}
AttrListPtr::AttrListPtr(const AttrListPtr &P) : AttrList(P.AttrList) {
- sys::SmartScopedLock<true> Lock(*ALMutex);
if (AttrList) AttrList->AddRef();
}
}
AttrListPtr::~AttrListPtr() {
- sys::SmartScopedLock<true> Lock(*ALMutex);
if (AttrList) AttrList->DropRef();
}
/// returned. Attributes for the result are denoted with Idx = 0.
/// Function notes are denoted with idx = ~0.
Attributes AttrListPtr::getAttributes(unsigned Idx) const {
- if (AttrList == 0) return Attribute::None;
+ if (AttrList == 0) return Attributes();
const SmallVector<AttributeWithIndex, 4> &Attrs = AttrList->Attrs;
for (unsigned i = 0, e = Attrs.size(); i != e && Attrs[i].Index <= Idx; ++i)
if (Attrs[i].Index == Idx)
return Attrs[i].Attrs;
- return Attribute::None;
+
+ return Attributes();
}
/// hasAttrSomewhere - Return true if the specified attribute is set for at
const SmallVector<AttributeWithIndex, 4> &Attrs = AttrList->Attrs;
for (unsigned i = 0, e = Attrs.size(); i != e; ++i)
- if (Attrs[i].Attrs & Attr)
+ if (Attrs[i].Attrs.hasAttributes(Attr))
return true;
return false;
}
#ifndef NDEBUG
// FIXME it is not obvious how this should work for alignment.
// For now, say we can't change a known alignment.
- Attributes OldAlign = OldAttrs & Attribute::Alignment;
- Attributes NewAlign = Attrs & Attribute::Alignment;
+ unsigned OldAlign = OldAttrs.getAlignment();
+ unsigned NewAlign = Attrs.getAlignment();
assert((!OldAlign || !NewAlign || OldAlign == NewAlign) &&
"Attempt to change alignment!");
#endif
OldAttrList.begin()+i, OldAttrList.end());
}
- return get(NewAttrList.data(), NewAttrList.size());
+ return get(NewAttrList);
}
AttrListPtr AttrListPtr::removeAttr(unsigned Idx, Attributes Attrs) const {
#ifndef NDEBUG
// FIXME it is not obvious how this should work for alignment.
// For now, say we can't pass in alignment, which no current use does.
- assert(!(Attrs & Attribute::Alignment) && "Attempt to exclude alignment!");
+ assert(!Attrs.hasAlignmentAttr() && "Attempt to exclude alignment!");
#endif
if (AttrList == 0) return AttrListPtr();
NewAttrList.insert(NewAttrList.end(),
OldAttrList.begin()+i, OldAttrList.end());
- return get(NewAttrList.data(), NewAttrList.size());
+ return get(NewAttrList);
}
void AttrListPtr::dump() const {
- cerr << "PAL[ ";
+ dbgs() << "PAL[ ";
for (unsigned i = 0; i < getNumSlots(); ++i) {
const AttributeWithIndex &PAWI = getSlot(i);
- cerr << "{" << PAWI.Index << "," << PAWI.Attrs << "} ";
+ dbgs() << "{" << PAWI.Index << "," << PAWI.Attrs << "} ";
}
- cerr << "]\n";
+ dbgs() << "]\n";
}
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