// Attribute Construction Methods
//===----------------------------------------------------------------------===//
-Attribute Attribute::get(LLVMContext &Context, Constant *Kind, Constant *Val) {
+Attribute Attribute::get(LLVMContext &Context, Attribute::AttrKind Kind,
+ uint64_t Val) {
LLVMContextImpl *pImpl = Context.pImpl;
FoldingSetNodeID ID;
- ID.AddPointer(Kind);
- if (Val) ID.AddPointer(Val);
+ ID.AddInteger(Kind);
+ if (Val) ID.AddInteger(Val);
void *InsertPoint;
AttributeImpl *PA = pImpl->AttrsSet.FindNodeOrInsertPos(ID, InsertPoint);
if (!PA) {
// If we didn't find any existing attributes of the same shape then create a
// new one and insert it.
- PA = (!Val) ?
+ PA = !Val ?
new AttributeImpl(Context, Kind) :
new AttributeImpl(Context, Kind, Val);
pImpl->AttrsSet.InsertNode(PA, InsertPoint);
}
- // Return the AttributesList that we found or created.
+ // Return the Attribute that we found or created.
return Attribute(PA);
}
-Attribute Attribute::get(LLVMContext &Context, AttrKind Kind, Constant *Val) {
- ConstantInt *KindVal = ConstantInt::get(Type::getInt64Ty(Context), Kind);
- return get(Context, KindVal, Val);
+Attribute Attribute::get(LLVMContext &Context, StringRef Kind, StringRef Val) {
+ LLVMContextImpl *pImpl = Context.pImpl;
+ FoldingSetNodeID ID;
+ ID.AddString(Kind);
+ if (!Val.empty()) ID.AddString(Val);
+
+ void *InsertPoint;
+ AttributeImpl *PA = pImpl->AttrsSet.FindNodeOrInsertPos(ID, InsertPoint);
+
+ if (!PA) {
+ // If we didn't find any existing attributes of the same shape then create a
+ // new one and insert it.
+ PA = new AttributeImpl(Context, Kind, Val);
+ pImpl->AttrsSet.InsertNode(PA, InsertPoint);
+ }
+
+ // Return the Attribute that we found or created.
+ return Attribute(PA);
}
Attribute Attribute::getWithAlignment(LLVMContext &Context, uint64_t Align) {
assert(isPowerOf2_32(Align) && "Alignment must be a power of two.");
assert(Align <= 0x40000000 && "Alignment too large.");
- return get(Context, Alignment,
- ConstantInt::get(Type::getInt64Ty(Context), Align));
+ return get(Context, Alignment, Align);
}
Attribute Attribute::getWithStackAlignment(LLVMContext &Context,
uint64_t Align) {
assert(isPowerOf2_32(Align) && "Alignment must be a power of two.");
assert(Align <= 0x100 && "Alignment too large.");
- return get(Context, StackAlignment,
- ConstantInt::get(Type::getInt64Ty(Context), Align));
+ return get(Context, StackAlignment, Align);
}
//===----------------------------------------------------------------------===//
// Attribute Accessor Methods
//===----------------------------------------------------------------------===//
-bool Attribute::hasAttribute(AttrKind Val) const {
- return pImpl && pImpl->hasAttribute(Val);
+bool Attribute::isEnumAttribute() const {
+ return pImpl && pImpl->isEnumAttribute();
+}
+
+bool Attribute::isAlignAttribute() const {
+ return pImpl && pImpl->isAlignAttribute();
+}
+
+bool Attribute::isStringAttribute() const {
+ return pImpl && pImpl->isStringAttribute();
}
-Constant *Attribute::getAttributeKind() const {
- return pImpl ? pImpl->getAttributeKind() : 0;
+Attribute::AttrKind Attribute::getKindAsEnum() const {
+ assert((isEnumAttribute() || isAlignAttribute()) &&
+ "Invalid attribute type to get the kind as an enum!");
+ return pImpl ? pImpl->getKindAsEnum() : None;
}
-ArrayRef<Constant*> Attribute::getAttributeValues() const {
- return pImpl ? pImpl->getAttributeValues() : ArrayRef<Constant*>();
+uint64_t Attribute::getValueAsInt() const {
+ assert(isAlignAttribute() &&
+ "Expected the attribute to be an alignment attribute!");
+ return pImpl ? pImpl->getValueAsInt() : 0;
+}
+
+StringRef Attribute::getKindAsString() const {
+ assert(isStringAttribute() &&
+ "Invalid attribute type to get the kind as a string!");
+ return pImpl ? pImpl->getKindAsString() : StringRef();
+}
+
+StringRef Attribute::getValueAsString() const {
+ assert(isStringAttribute() &&
+ "Invalid attribute type to get the value as a string!");
+ return pImpl ? pImpl->getValueAsString() : StringRef();
+}
+
+bool Attribute::hasAttribute(AttrKind Kind) const {
+ return (pImpl && pImpl->hasAttribute(Kind)) || (!pImpl && Kind == None);
+}
+
+bool Attribute::hasAttribute(StringRef Kind) const {
+ if (!isStringAttribute()) return false;
+ return pImpl && pImpl->hasAttribute(Kind);
}
/// This returns the alignment field of an attribute as a byte alignment value.
unsigned Attribute::getAlignment() const {
assert(hasAttribute(Attribute::Alignment) &&
"Trying to get alignment from non-alignment attribute!");
- return pImpl->getAlignment();
+ return pImpl->getValueAsInt();
}
/// This returns the stack alignment field of an attribute as a byte alignment
unsigned Attribute::getStackAlignment() const {
assert(hasAttribute(Attribute::StackAlignment) &&
"Trying to get alignment from non-alignment attribute!");
- return pImpl->getStackAlignment();
+ return pImpl->getValueAsInt();
}
-std::string Attribute::getAsString() const {
+std::string Attribute::getAsString(bool InAttrGrp) const {
if (!pImpl) return "";
if (hasAttribute(Attribute::AddressSafety))
return "nest";
if (hasAttribute(Attribute::NoAlias))
return "noalias";
+ if (hasAttribute(Attribute::NoBuiltin))
+ return "nobuiltin";
if (hasAttribute(Attribute::NoCapture))
return "nocapture";
if (hasAttribute(Attribute::NoDuplicate))
return "sspstrong";
if (hasAttribute(Attribute::StructRet))
return "sret";
+ if (hasAttribute(Attribute::ThreadSafety))
+ return "thread_safety";
+ if (hasAttribute(Attribute::UninitializedChecks))
+ return "uninitialized_checks";
if (hasAttribute(Attribute::UWTable))
return "uwtable";
if (hasAttribute(Attribute::ZExt))
// align=4
// alignstack=8
//
- if (hasAttribute(Attribute::StackAlignment)) {
+ if (hasAttribute(Attribute::Alignment)) {
std::string Result;
- Result += "alignstack(";
- Result += utostr(getStackAlignment());
- Result += ")";
+ Result += "align";
+ Result += (InAttrGrp) ? "=" : " ";
+ Result += utostr(getValueAsInt());
return Result;
}
- if (hasAttribute(Attribute::Alignment)) {
+
+ if (hasAttribute(Attribute::StackAlignment)) {
std::string Result;
- Result += "align ";
- Result += utostr(getAlignment());
+ Result += "alignstack";
+ if (InAttrGrp) {
+ Result += "=";
+ Result += utostr(getValueAsInt());
+ } else {
+ Result += "(";
+ Result += utostr(getValueAsInt());
+ Result += ")";
+ }
return Result;
}
//
// "kind"
// "kind" = "value"
- // "kind" = ("value1" "value2" "value3" )
//
- if (ConstantDataArray *CDA =
- dyn_cast<ConstantDataArray>(pImpl->getAttributeKind())) {
+ if (isStringAttribute()) {
std::string Result;
- Result += '\"' + CDA->getAsString().str() + '"';
-
- ArrayRef<Constant*> Vals = pImpl->getAttributeValues();
- if (Vals.empty()) return Result;
- Result += " = ";
- if (Vals.size() > 1) Result += '(';
- for (ArrayRef<Constant*>::iterator I = Vals.begin(), E = Vals.end();
- I != E; ) {
- ConstantDataArray *CDA = cast<ConstantDataArray>(*I++);
- Result += '\"' + CDA->getAsString().str() + '"';
- if (I != E) Result += ' ';
- }
- if (Vals.size() > 1) Result += ')';
+ Result += '\"' + getKindAsString().str() + '"';
+
+ StringRef Val = pImpl->getValueAsString();
+ if (Val.empty()) return Result;
+
+ Result += "=\"" + Val.str() + '"';
return Result;
}
llvm_unreachable("Unknown attribute");
}
-bool Attribute::operator==(AttrKind K) const {
- return (pImpl && *pImpl == K) || (!pImpl && K == None);
-}
-bool Attribute::operator!=(AttrKind K) const {
- return !(*this == K);
-}
-
bool Attribute::operator<(Attribute A) const {
if (!pImpl && !A.pImpl) return false;
if (!pImpl) return true;
// AttributeImpl Definition
//===----------------------------------------------------------------------===//
-bool AttributeImpl::hasAttribute(Attribute::AttrKind A) const {
- if (ConstantInt *CI = dyn_cast<ConstantInt>(Kind))
- return CI->getZExtValue() == A;
- return false;
-}
+AttributeImpl::AttributeImpl(LLVMContext &C, Attribute::AttrKind Kind)
+ : Context(C), Entry(new EnumAttributeEntry(Kind)) {}
-uint64_t AttributeImpl::getAlignment() const {
- assert(hasAttribute(Attribute::Alignment) &&
- "Trying to retrieve the alignment from a non-alignment attr!");
- return cast<ConstantInt>(Vals[0])->getZExtValue();
+AttributeImpl::AttributeImpl(LLVMContext &C, Attribute::AttrKind Kind,
+ unsigned Align)
+ : Context(C) {
+ assert((Kind == Attribute::Alignment || Kind == Attribute::StackAlignment) &&
+ "Wrong kind for alignment attribute!");
+ Entry = new AlignAttributeEntry(Kind, Align);
}
-uint64_t AttributeImpl::getStackAlignment() const {
- assert(hasAttribute(Attribute::StackAlignment) &&
- "Trying to retrieve the stack alignment from a non-alignment attr!");
- return cast<ConstantInt>(Vals[0])->getZExtValue();
+AttributeImpl::AttributeImpl(LLVMContext &C, StringRef Kind, StringRef Val)
+ : Context(C), Entry(new StringAttributeEntry(Kind, Val)) {}
+
+AttributeImpl::~AttributeImpl() {
+ delete Entry;
}
-bool AttributeImpl::operator==(Attribute::AttrKind kind) const {
- if (ConstantInt *CI = dyn_cast<ConstantInt>(Kind))
- return CI->getZExtValue() == kind;
- return false;
+bool AttributeImpl::isEnumAttribute() const {
+ return isa<EnumAttributeEntry>(Entry);
}
-bool AttributeImpl::operator!=(Attribute::AttrKind kind) const {
- return !(*this == kind);
+
+bool AttributeImpl::isAlignAttribute() const {
+ return isa<AlignAttributeEntry>(Entry);
}
-bool AttributeImpl::operator==(StringRef kind) const {
- if (ConstantDataArray *CDA = dyn_cast<ConstantDataArray>(Kind))
- if (CDA->isString())
- return CDA->getAsString() == kind;
- return false;
+bool AttributeImpl::isStringAttribute() const {
+ return isa<StringAttributeEntry>(Entry);
}
-bool AttributeImpl::operator!=(StringRef kind) const {
- return !(*this == kind);
+bool AttributeImpl::hasAttribute(Attribute::AttrKind A) const {
+ if (isStringAttribute()) return false;
+ return getKindAsEnum() == A;
}
-bool AttributeImpl::operator<(const AttributeImpl &AI) const {
- // This sorts the attributes with Attribute::AttrKinds coming first (sorted
- // relative to their enum value) and then strings.
+bool AttributeImpl::hasAttribute(StringRef Kind) const {
+ if (!isStringAttribute()) return false;
+ return getKindAsString() == Kind;
+}
- if (!Kind && !AI.Kind) return false;
- if (!Kind && AI.Kind) return true;
- if (Kind && !AI.Kind) return false;
+Attribute::AttrKind AttributeImpl::getKindAsEnum() const {
+ if (EnumAttributeEntry *E = dyn_cast<EnumAttributeEntry>(Entry))
+ return E->getEnumKind();
+ return cast<AlignAttributeEntry>(Entry)->getEnumKind();
+}
- ConstantInt *ThisCI = dyn_cast<ConstantInt>(Kind);
- ConstantInt *ThatCI = dyn_cast<ConstantInt>(AI.Kind);
+uint64_t AttributeImpl::getValueAsInt() const {
+ return cast<AlignAttributeEntry>(Entry)->getAlignment();
+}
- ConstantDataArray *ThisCDA = dyn_cast<ConstantDataArray>(Kind);
- ConstantDataArray *ThatCDA = dyn_cast<ConstantDataArray>(AI.Kind);
+StringRef AttributeImpl::getKindAsString() const {
+ return cast<StringAttributeEntry>(Entry)->getStringKind();
+}
- if (ThisCI && ThatCI)
- return ThisCI->getZExtValue() < ThatCI->getZExtValue();
+StringRef AttributeImpl::getValueAsString() const {
+ return cast<StringAttributeEntry>(Entry)->getStringValue();
+}
- if (ThisCI && ThatCDA)
- return true;
+bool AttributeImpl::operator<(const AttributeImpl &AI) const {
+ // This sorts the attributes with Attribute::AttrKinds coming first (sorted
+ // relative to their enum value) and then strings.
+ if (isEnumAttribute()) {
+ if (AI.isEnumAttribute()) return getKindAsEnum() < AI.getKindAsEnum();
+ if (AI.isAlignAttribute()) return true;
+ if (AI.isStringAttribute()) return true;
+ }
- if (ThisCDA && ThatCI)
- return false;
+ if (isAlignAttribute()) {
+ if (AI.isEnumAttribute()) return false;
+ if (AI.isAlignAttribute()) return getValueAsInt() < AI.getValueAsInt();
+ if (AI.isStringAttribute()) return true;
+ }
- return ThisCDA->getAsString() < ThatCDA->getAsString();
+ if (AI.isEnumAttribute()) return false;
+ if (AI.isAlignAttribute()) return false;
+ if (getKindAsString() == AI.getKindAsString())
+ return getValueAsString() < AI.getValueAsString();
+ return getKindAsString() < AI.getKindAsString();
}
uint64_t AttributeImpl::getAttrMask(Attribute::AttrKind Val) {
// FIXME: Remove this.
switch (Val) {
+ default:
+ llvm_unreachable("Unsupported attribute type");
case Attribute::EndAttrKinds:
- case Attribute::AttrKindEmptyKey:
- case Attribute::AttrKindTombstoneKey:
llvm_unreachable("Synthetic enumerators which should never get here");
case Attribute::None: return 0;
case Attribute::MinSize: return 1ULL << 33;
case Attribute::NoDuplicate: return 1ULL << 34;
case Attribute::StackProtectStrong: return 1ULL << 35;
+ case Attribute::ThreadSafety: return 1ULL << 36;
+ case Attribute::UninitializedChecks: return 1ULL << 37;
}
- llvm_unreachable("Unsupported attribute type");
}
//===----------------------------------------------------------------------===//
FoldingSetNodeID ID;
SmallVector<Attribute, 8> SortedAttrs(Attrs.begin(), Attrs.end());
- std::sort(SortedAttrs.begin(), SortedAttrs.end());
+ array_pod_sort(SortedAttrs.begin(), SortedAttrs.end());
for (SmallVectorImpl<Attribute>::iterator I = SortedAttrs.begin(),
E = SortedAttrs.end(); I != E; ++I)
return false;
}
+bool AttributeSetNode::hasAttribute(StringRef Kind) const {
+ for (SmallVectorImpl<Attribute>::const_iterator I = AttrList.begin(),
+ E = AttrList.end(); I != E; ++I)
+ if (I->hasAttribute(Kind))
+ return true;
+ return false;
+}
+
+Attribute AttributeSetNode::getAttribute(Attribute::AttrKind Kind) const {
+ for (SmallVectorImpl<Attribute>::const_iterator I = AttrList.begin(),
+ E = AttrList.end(); I != E; ++I)
+ if (I->hasAttribute(Kind))
+ return *I;
+ return Attribute();
+}
+
+Attribute AttributeSetNode::getAttribute(StringRef Kind) const {
+ for (SmallVectorImpl<Attribute>::const_iterator I = AttrList.begin(),
+ E = AttrList.end(); I != E; ++I)
+ if (I->hasAttribute(Kind))
+ return *I;
+ return Attribute();
+}
+
unsigned AttributeSetNode::getAlignment() const {
for (SmallVectorImpl<Attribute>::const_iterator I = AttrList.begin(),
E = AttrList.end(); I != E; ++I)
return 0;
}
-std::string AttributeSetNode::getAsString() const {
+std::string AttributeSetNode::getAsString(bool InAttrGrp) const {
std::string Str = "";
for (SmallVectorImpl<Attribute>::const_iterator I = AttrList.begin(),
E = AttrList.end(); I != E; ) {
- Str += I->getAsString();
+ Str += I->getAsString(InAttrGrp);
if (++I != E) Str += " ";
}
return Str;
for (unsigned I = 0, E = getNumAttributes(); I != E; ++I) {
if (getSlotIndex(I) != Index) continue;
const AttributeSetNode *ASN = AttrNodes[I].second;
- AttrBuilder B;
+ uint64_t Mask = 0;
for (AttributeSetNode::const_iterator II = ASN->begin(),
- IE = ASN->end(); II != IE; ++II)
- B.addAttribute(*II);
- return B.Raw();
+ IE = ASN->end(); II != IE; ++II) {
+ Attribute Attr = *II;
+
+ // This cannot handle string attributes.
+ if (Attr.isStringAttribute()) continue;
+
+ Attribute::AttrKind Kind = Attr.getKindAsEnum();
+
+ if (Kind == Attribute::Alignment)
+ Mask |= (Log2_32(ASN->getAlignment()) + 1) << 16;
+ else if (Kind == Attribute::StackAlignment)
+ Mask |= (Log2_32(ASN->getStackAlignment()) + 1) << 26;
+ else
+ Mask |= AttributeImpl::getAttrMask(Kind);
+ }
+
+ return Mask;
}
return 0;
for (unsigned i = 0, e = Attrs.size(); i != e; ++i) {
assert((!i || Attrs[i-1].first <= Attrs[i].first) &&
"Misordered Attributes list!");
- assert(Attrs[i].second != Attribute::None &&
+ assert(!Attrs[i].second.hasAttribute(Attribute::None) &&
"Pointless attribute!");
}
#endif
if (!B.hasAttributes())
return AttributeSet();
+ // Add target-independent attributes.
SmallVector<std::pair<unsigned, Attribute>, 8> Attrs;
- for (AttrBuilder::iterator I = B.begin(), E = B.end(); I != E; ++I) {
- Attribute::AttrKind Kind = *I;
+ for (Attribute::AttrKind Kind = Attribute::None;
+ Kind != Attribute::EndAttrKinds; Kind = Attribute::AttrKind(Kind + 1)) {
+ if (!B.contains(Kind))
+ continue;
+
if (Kind == Attribute::Alignment)
Attrs.push_back(std::make_pair(Idx, Attribute::
getWithAlignment(C, B.getAlignment())));
Attrs.push_back(std::make_pair(Idx, Attribute::get(C, Kind)));
}
+ // Add target-dependent (string) attributes.
+ for (AttrBuilder::td_iterator I = B.td_begin(), E = B.td_end();
+ I != E; ++I)
+ Attrs.push_back(std::make_pair(Idx, Attribute::get(C, I->first,I->second)));
+
return get(C, Attrs);
}
// AttributeSet Accessor Methods
//===----------------------------------------------------------------------===//
+LLVMContext &AttributeSet::getContext() const {
+ return pImpl->getContext();
+}
+
AttributeSet AttributeSet::getParamAttributes(unsigned Idx) const {
return pImpl && hasAttributes(Idx) ?
AttributeSet::get(pImpl->getContext(),
return ASN ? ASN->hasAttribute(Kind) : false;
}
+bool AttributeSet::hasAttribute(unsigned Index, StringRef Kind) const {
+ AttributeSetNode *ASN = getAttributes(Index);
+ return ASN ? ASN->hasAttribute(Kind) : false;
+}
+
bool AttributeSet::hasAttributes(unsigned Index) const {
AttributeSetNode *ASN = getAttributes(Index);
return ASN ? ASN->hasAttributes() : false;
return false;
}
+Attribute AttributeSet::getAttribute(unsigned Index,
+ Attribute::AttrKind Kind) const {
+ AttributeSetNode *ASN = getAttributes(Index);
+ return ASN ? ASN->getAttribute(Kind) : Attribute();
+}
+
+Attribute AttributeSet::getAttribute(unsigned Index,
+ StringRef Kind) const {
+ AttributeSetNode *ASN = getAttributes(Index);
+ return ASN ? ASN->getAttribute(Kind) : Attribute();
+}
+
unsigned AttributeSet::getParamAlignment(unsigned Index) const {
AttributeSetNode *ASN = getAttributes(Index);
return ASN ? ASN->getAlignment() : 0;
return ASN ? ASN->getStackAlignment() : 0;
}
-std::string AttributeSet::getAsString(unsigned Index) const {
+std::string AttributeSet::getAsString(unsigned Index,
+ bool InAttrGrp) const {
AttributeSetNode *ASN = getAttributes(Index);
- return ASN ? ASN->getAsString() : std::string("");
+ return ASN ? ASN->getAsString(InAttrGrp) : std::string("");
}
/// \brief The attributes for the specified index are returned.
//===----------------------------------------------------------------------===//
AttrBuilder::AttrBuilder(AttributeSet AS, unsigned Idx)
- : Alignment(0), StackAlignment(0) {
+ : Attrs(0), Alignment(0), StackAlignment(0) {
AttributeSetImpl *pImpl = AS.pImpl;
if (!pImpl) return;
}
void AttrBuilder::clear() {
- Attrs.clear();
+ Attrs.reset();
Alignment = StackAlignment = 0;
}
AttrBuilder &AttrBuilder::addAttribute(Attribute::AttrKind Val) {
+ assert((unsigned)Val < Attribute::EndAttrKinds && "Attribute out of range!");
assert(Val != Attribute::Alignment && Val != Attribute::StackAlignment &&
"Adding alignment attribute without adding alignment value!");
- Attrs.insert(Val);
+ Attrs[Val] = true;
return *this;
}
AttrBuilder &AttrBuilder::addAttribute(Attribute Attr) {
- ConstantInt *Kind = cast<ConstantInt>(Attr.getAttributeKind());
- Attribute::AttrKind KindVal = Attribute::AttrKind(Kind->getZExtValue());
- Attrs.insert(KindVal);
+ if (Attr.isStringAttribute()) {
+ addAttribute(Attr.getKindAsString(), Attr.getValueAsString());
+ return *this;
+ }
- if (KindVal == Attribute::Alignment)
+ Attribute::AttrKind Kind = Attr.getKindAsEnum();
+ Attrs[Kind] = true;
+
+ if (Kind == Attribute::Alignment)
Alignment = Attr.getAlignment();
- else if (KindVal == Attribute::StackAlignment)
+ else if (Kind == Attribute::StackAlignment)
StackAlignment = Attr.getStackAlignment();
return *this;
}
+AttrBuilder &AttrBuilder::addAttribute(StringRef A, StringRef V) {
+ TargetDepAttrs[A] = V;
+ return *this;
+}
+
AttrBuilder &AttrBuilder::removeAttribute(Attribute::AttrKind Val) {
- Attrs.erase(Val);
+ assert((unsigned)Val < Attribute::EndAttrKinds && "Attribute out of range!");
+ Attrs[Val] = false;
if (Val == Attribute::Alignment)
Alignment = 0;
assert(Idx != ~0U && "Couldn't find index in AttributeSet!");
for (AttributeSet::iterator I = A.begin(Idx), E = A.end(Idx); I != E; ++I) {
- ConstantInt *CI = cast<ConstantInt>(I->getAttributeKind());
- Attribute::AttrKind Kind = Attribute::AttrKind(CI->getZExtValue());
- Attrs.erase(Kind);
-
- if (Kind == Attribute::Alignment)
- Alignment = 0;
- else if (Kind == Attribute::StackAlignment)
- StackAlignment = 0;
+ Attribute Attr = *I;
+ if (Attr.isEnumAttribute() || Attr.isAlignAttribute()) {
+ Attribute::AttrKind Kind = I->getKindAsEnum();
+ Attrs[Kind] = false;
+
+ if (Kind == Attribute::Alignment)
+ Alignment = 0;
+ else if (Kind == Attribute::StackAlignment)
+ StackAlignment = 0;
+ } else {
+ assert(Attr.isStringAttribute() && "Invalid attribute type!");
+ std::map<std::string, std::string>::iterator
+ Iter = TargetDepAttrs.find(Attr.getKindAsString());
+ if (Iter != TargetDepAttrs.end())
+ TargetDepAttrs.erase(Iter);
+ }
}
return *this;
}
+AttrBuilder &AttrBuilder::removeAttribute(StringRef A) {
+ std::map<std::string, std::string>::iterator I = TargetDepAttrs.find(A);
+ if (I != TargetDepAttrs.end())
+ TargetDepAttrs.erase(I);
+ return *this;
+}
+
AttrBuilder &AttrBuilder::addAlignmentAttr(unsigned Align) {
if (Align == 0) return *this;
assert(isPowerOf2_32(Align) && "Alignment must be a power of two.");
assert(Align <= 0x40000000 && "Alignment too large.");
- Attrs.insert(Attribute::Alignment);
+ Attrs[Attribute::Alignment] = true;
Alignment = Align;
return *this;
}
assert(isPowerOf2_32(Align) && "Alignment must be a power of two.");
assert(Align <= 0x100 && "Alignment too large.");
- Attrs.insert(Attribute::StackAlignment);
+ Attrs[Attribute::StackAlignment] = true;
StackAlignment = Align;
return *this;
}
-bool AttrBuilder::contains(Attribute::AttrKind A) const {
- return Attrs.count(A);
+AttrBuilder &AttrBuilder::merge(const AttrBuilder &B) {
+ // FIXME: What if both have alignments, but they don't match?!
+ if (!Alignment)
+ Alignment = B.Alignment;
+
+ if (!StackAlignment)
+ StackAlignment = B.StackAlignment;
+
+ Attrs |= B.Attrs;
+
+ for (td_const_iterator I = B.TargetDepAttrs.begin(),
+ E = B.TargetDepAttrs.end(); I != E; ++I)
+ TargetDepAttrs[I->first] = I->second;
+
+ return *this;
+}
+
+bool AttrBuilder::contains(StringRef A) const {
+ return TargetDepAttrs.find(A) != TargetDepAttrs.end();
}
bool AttrBuilder::hasAttributes() const {
- return !Attrs.empty();
+ return !Attrs.none() || !TargetDepAttrs.empty();
}
bool AttrBuilder::hasAttributes(AttributeSet A, uint64_t Index) const {
- return Raw() & A.Raw(Index);
+ unsigned Idx = ~0U;
+ for (unsigned I = 0, E = A.getNumSlots(); I != E; ++I)
+ if (A.getSlotIndex(I) == Index) {
+ Idx = I;
+ break;
+ }
+
+ assert(Idx != ~0U && "Couldn't find the index!");
+
+ for (AttributeSet::iterator I = A.begin(Idx), E = A.end(Idx);
+ I != E; ++I) {
+ Attribute Attr = *I;
+ if (Attr.isEnumAttribute() || Attr.isAlignAttribute()) {
+ if (Attrs[I->getKindAsEnum()])
+ return true;
+ } else {
+ assert(Attr.isStringAttribute() && "Invalid attribute kind!");
+ return TargetDepAttrs.find(Attr.getKindAsString())!=TargetDepAttrs.end();
+ }
+ }
+
+ return false;
}
bool AttrBuilder::hasAlignmentAttr() const {
}
bool AttrBuilder::operator==(const AttrBuilder &B) {
- SmallVector<Attribute::AttrKind, 8> This(Attrs.begin(), Attrs.end());
- SmallVector<Attribute::AttrKind, 8> That(B.Attrs.begin(), B.Attrs.end());
- return This == That;
+ if (Attrs != B.Attrs)
+ return false;
+
+ for (td_const_iterator I = TargetDepAttrs.begin(),
+ E = TargetDepAttrs.end(); I != E; ++I)
+ if (B.TargetDepAttrs.find(I->first) == B.TargetDepAttrs.end())
+ return false;
+
+ return Alignment == B.Alignment && StackAlignment == B.StackAlignment;
+}
+
+void AttrBuilder::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)
+ .removeAttribute(Attribute::NoBuiltin);
}
AttrBuilder &AttrBuilder::addRawValue(uint64_t Val) {
+ // FIXME: Remove this in 4.0.
if (!Val) return *this;
for (Attribute::AttrKind I = Attribute::None; I != Attribute::EndAttrKinds;
I = Attribute::AttrKind(I + 1)) {
if (uint64_t A = (Val & AttributeImpl::getAttrMask(I))) {
- Attrs.insert(I);
+ Attrs[I] = true;
if (I == Attribute::Alignment)
Alignment = 1ULL << ((A >> 16) - 1);
return *this;
}
-uint64_t AttrBuilder::Raw() const {
- uint64_t Mask = 0;
-
- for (DenseSet<Attribute::AttrKind>::const_iterator I = Attrs.begin(),
- E = Attrs.end(); I != E; ++I) {
- Attribute::AttrKind Kind = *I;
-
- if (Kind == Attribute::Alignment)
- Mask |= (Log2_32(Alignment) + 1) << 16;
- else if (Kind == Attribute::StackAlignment)
- Mask |= (Log2_32(StackAlignment) + 1) << 26;
- else
- Mask |= AttributeImpl::getAttrMask(Kind);
- }
-
- return Mask;
-}
-
//===----------------------------------------------------------------------===//
// AttributeFuncs Function Defintions
//===----------------------------------------------------------------------===//
return AttributeSet::get(Ty->getContext(), Index, Incompatible);
}
-
-/// \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.
-/// N.B. This should be used only by the bitcode reader!
-uint64_t AttributeFuncs::encodeLLVMAttributesForBitcode(AttributeSet Attrs,
- unsigned Index) {
- // FIXME: It doesn't make sense to store the alignment information as an
- // expanded out value, we should store it as a log2 value. However, we can't
- // just change that here without breaking bitcode compatibility. If this ever
- // becomes a problem in practice, we should introduce new tag numbers in the
- // bitcode file and have those tags use a more efficiently encoded alignment
- // field.
-
- // Store the alignment in the bitcode as a 16-bit raw value instead of a 5-bit
- // log2 encoded value. Shift the bits above the alignment up by 11 bits.
- uint64_t EncodedAttrs = Attrs.Raw(Index) & 0xffff;
- if (Attrs.hasAttribute(Index, Attribute::Alignment))
- EncodedAttrs |= Attrs.getParamAlignment(Index) << 16;
- EncodedAttrs |= (Attrs.Raw(Index) & (0xffffULL << 21)) << 11;
- return EncodedAttrs;
-}
-
-/// \brief This fills an AttrBuilder object with the LLVM attributes that have
-/// been decoded from the given integer. This function must stay in sync with
-/// 'encodeLLVMAttributesForBitcode'.
-/// N.B. This should be used only by the bitcode reader!
-void AttributeFuncs::decodeLLVMAttributesForBitcode(LLVMContext &C,
- AttrBuilder &B,
- uint64_t EncodedAttrs) {
- // The alignment is stored as a 16-bit raw value from bits 31--16. We shift
- // the bits above 31 down by 11 bits.
- unsigned Alignment = (EncodedAttrs & (0xffffULL << 16)) >> 16;
- assert((!Alignment || isPowerOf2_32(Alignment)) &&
- "Alignment must be a power of two.");
-
- if (Alignment)
- B.addAlignmentAttr(Alignment);
- B.addRawValue(((EncodedAttrs & (0xffffULL << 32)) >> 11) |
- (EncodedAttrs & 0xffff));
-}
projects / oota-llvm.git / blobdiff