// Attribute Construction Methods
//===----------------------------------------------------------------------===//
-Attribute Attribute::get(LLVMContext &Context, AttrKind Kind,
- Constant *Val) {
- if (Kind == None) return Attribute();
+Attribute Attribute::get(LLVMContext &Context, AttrKind Kind) {
+ AttrBuilder B;
+ return Attribute::get(Context, B.addAttribute(Kind));
+}
+
+Attribute Attribute::get(LLVMContext &Context, AttrBuilder &B) {
+ // If there are no attributes, return an empty Attribute class.
+ if (!B.hasAttributes())
+ return Attribute();
+
+ assert(std::distance(B.begin(), B.end()) == 1 &&
+ "The Attribute object should represent one attribute only!");
// Otherwise, build a key to look up the existing attributes.
LLVMContextImpl *pImpl = Context.pImpl;
FoldingSetNodeID ID;
- ID.AddInteger(Kind);
- ID.AddPointer(Val);
+ ConstantInt *CI = ConstantInt::get(Type::getInt64Ty(Context), B.Raw());
+ ID.AddPointer(CI);
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) ?
- new AttributeImpl(Context, Kind) :
- new AttributeImpl(Context, Kind, Val);
+ PA = new AttributeImpl(Context, CI);
pImpl->AttrsSet.InsertNode(PA, InsertPoint);
}
}
Attribute Attribute::getWithAlignment(LLVMContext &Context, uint64_t Align) {
- return get(Context, Attribute::Alignment,
- ConstantInt::get(Type::getInt64Ty(Context), Align));
+ AttrBuilder B;
+ return get(Context, B.addAlignmentAttr(Align));
}
Attribute Attribute::getWithStackAlignment(LLVMContext &Context,
uint64_t Align) {
- return get(Context, Attribute::StackAlignment,
- ConstantInt::get(Type::getInt64Ty(Context), Align));
+ AttrBuilder B;
+ return get(Context, B.addStackAlignmentAttr(Align));
}
//===----------------------------------------------------------------------===//
return pImpl && pImpl->hasAttribute(Val);
}
-bool Attribute::hasAttributes() const {
- return pImpl && pImpl->hasAttributes();
-}
-
Constant *Attribute::getAttributeKind() const {
return pImpl ? pImpl->getAttributeKind() : 0;
}
}
std::string Attribute::getAsString() const {
- if (hasAttribute(Attribute::ZExt))
- return "zeroext";
- if (hasAttribute(Attribute::SExt))
- return "signext";
- if (hasAttribute(Attribute::NoReturn))
- return "noreturn";
- if (hasAttribute(Attribute::NoUnwind))
- return "nounwind";
- if (hasAttribute(Attribute::UWTable))
- return "uwtable";
- if (hasAttribute(Attribute::ReturnsTwice))
- return "returns_twice";
+ if (!pImpl) return "";
+
+ if (hasAttribute(Attribute::AddressSafety))
+ return "address_safety";
+ if (hasAttribute(Attribute::AlwaysInline))
+ return "alwaysinline";
+ if (hasAttribute(Attribute::ByVal))
+ return "byval";
+ if (hasAttribute(Attribute::InlineHint))
+ return "inlinehint";
if (hasAttribute(Attribute::InReg))
return "inreg";
+ if (hasAttribute(Attribute::MinSize))
+ return "minsize";
+ if (hasAttribute(Attribute::Naked))
+ return "naked";
+ if (hasAttribute(Attribute::Nest))
+ return "nest";
if (hasAttribute(Attribute::NoAlias))
return "noalias";
if (hasAttribute(Attribute::NoCapture))
return "nocapture";
- if (hasAttribute(Attribute::StructRet))
- return "sret";
- if (hasAttribute(Attribute::ByVal))
- return "byval";
- if (hasAttribute(Attribute::Nest))
- return "nest";
+ if (hasAttribute(Attribute::NoDuplicate))
+ return "noduplicate";
+ if (hasAttribute(Attribute::NoImplicitFloat))
+ return "noimplicitfloat";
+ if (hasAttribute(Attribute::NoInline))
+ return "noinline";
+ if (hasAttribute(Attribute::NonLazyBind))
+ return "nonlazybind";
+ if (hasAttribute(Attribute::NoRedZone))
+ return "noredzone";
+ if (hasAttribute(Attribute::NoReturn))
+ return "noreturn";
+ if (hasAttribute(Attribute::NoUnwind))
+ return "nounwind";
+ if (hasAttribute(Attribute::OptimizeForSize))
+ return "optsize";
if (hasAttribute(Attribute::ReadNone))
return "readnone";
if (hasAttribute(Attribute::ReadOnly))
return "readonly";
- if (hasAttribute(Attribute::OptimizeForSize))
- return "optsize";
- if (hasAttribute(Attribute::NoInline))
- return "noinline";
- if (hasAttribute(Attribute::InlineHint))
- return "inlinehint";
- if (hasAttribute(Attribute::AlwaysInline))
- return "alwaysinline";
+ if (hasAttribute(Attribute::ReturnsTwice))
+ return "returns_twice";
+ if (hasAttribute(Attribute::SExt))
+ return "signext";
if (hasAttribute(Attribute::StackProtect))
return "ssp";
if (hasAttribute(Attribute::StackProtectReq))
return "sspreq";
if (hasAttribute(Attribute::StackProtectStrong))
return "sspstrong";
- if (hasAttribute(Attribute::NoRedZone))
- return "noredzone";
- if (hasAttribute(Attribute::NoImplicitFloat))
- return "noimplicitfloat";
- if (hasAttribute(Attribute::Naked))
- return "naked";
- if (hasAttribute(Attribute::NonLazyBind))
- return "nonlazybind";
- if (hasAttribute(Attribute::AddressSafety))
- return "address_safety";
- if (hasAttribute(Attribute::MinSize))
- return "minsize";
+ if (hasAttribute(Attribute::StructRet))
+ return "sret";
+ if (hasAttribute(Attribute::UWTable))
+ return "uwtable";
+ if (hasAttribute(Attribute::ZExt))
+ return "zeroext";
+
+ // FIXME: These should be output like this:
+ //
+ // align=4
+ // alignstack=8
+ //
if (hasAttribute(Attribute::StackAlignment)) {
std::string Result;
Result += "alignstack(";
std::string Result;
Result += "align ";
Result += utostr(getAlignment());
- Result += "";
return Result;
}
- if (hasAttribute(Attribute::NoDuplicate))
- return "noduplicate";
+
+ // Convert target-dependent attributes to strings of the form:
+ //
+ // "kind"
+ // "kind" = "value"
+ // "kind" = ("value1" "value2" "value3" )
+ //
+ if (ConstantDataArray *CDA =
+ dyn_cast<ConstantDataArray>(pImpl->getAttributeKind())) {
+ 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 += ')';
+ }
llvm_unreachable("Unknown attribute");
}
bool Attribute::operator==(AttrKind K) const {
- return pImpl && *pImpl == K;
+ return (pImpl && *pImpl == K) || (!pImpl && K == None);
}
bool Attribute::operator!=(AttrKind K) const {
return !(*this == K);
return (Raw() & getAttrMask(A)) != 0;
}
-bool AttributeImpl::hasAttributes() const {
- return Raw() != 0;
-}
-
uint64_t AttributeImpl::getAlignment() const {
uint64_t Mask = Raw() & getAttrMask(Attribute::Alignment);
return 1ULL << ((Mask >> 16) - 1);
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.hasAttributes() &&
+ assert(Attrs[i].second != Attribute::None &&
"Pointless attribute!");
}
#endif
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