#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/FoldingSet.h"
#include "llvm/Support/PointerLikeTypeTraits.h"
+#include <bitset>
#include <cassert>
#include <map>
#include <string>
/// value, however, is not. So this can be used as a quick way to test for
/// equality, presence of attributes, etc.
class AttrBuilder {
- uint64_t Attrs;
+ std::bitset<Attribute::EndAttrKinds> Attrs;
std::map<std::string, std::string> TargetDepAttrs;
uint64_t Alignment;
uint64_t StackAlignment;
/// \brief Return true if the builder has the specified attribute.
bool contains(Attribute::AttrKind A) const {
- assert((unsigned)A < 64 && A < Attribute::EndAttrKinds &&
- "Attribute out of range!");
- return Attrs & (1ULL << A);
+ assert((unsigned)A < Attribute::EndAttrKinds && "Attribute out of range!");
+ return Attrs[A];
}
/// \brief Return true if the builder has the specified target-dependent
/// \brief Return true if the builder contains no target-independent
/// attributes.
- bool empty() const { return Attrs == 0; }
+ bool empty() const { return Attrs.none(); }
// Iterators for target-dependent attributes.
typedef std::pair<std::string, std::string> td_type;
}
void AttrBuilder::clear() {
- Attrs = 0;
+ Attrs.reset();
Alignment = StackAlignment = 0;
}
AttrBuilder &AttrBuilder::addAttribute(Attribute::AttrKind Val) {
- assert((unsigned)Val < 64 && Val < Attribute::EndAttrKinds &&
- "Attribute out of range!");
+ assert((unsigned)Val < Attribute::EndAttrKinds && "Attribute out of range!");
assert(Val != Attribute::Alignment && Val != Attribute::StackAlignment &&
"Adding alignment attribute without adding alignment value!");
- Attrs |= 1ULL << Val;
+ Attrs[Val] = true;
return *this;
}
}
Attribute::AttrKind Kind = Attr.getKindAsEnum();
- Attrs |= 1ULL << Kind;
+ Attrs[Kind] = true;
if (Kind == Attribute::Alignment)
Alignment = Attr.getAlignment();
}
AttrBuilder &AttrBuilder::removeAttribute(Attribute::AttrKind Val) {
- assert((unsigned)Val < 64 && Val < Attribute::EndAttrKinds &&
- "Attribute out of range!");
- Attrs &= ~(1ULL << Val);
+ assert((unsigned)Val < Attribute::EndAttrKinds && "Attribute out of range!");
+ Attrs[Val] = false;
if (Val == Attribute::Alignment)
Alignment = 0;
Attribute Attr = *I;
if (Attr.isEnumAttribute() || Attr.isAlignAttribute()) {
Attribute::AttrKind Kind = I->getKindAsEnum();
- Attrs &= ~(1ULL << Kind);
+ Attrs[Kind] = false;
if (Kind == Attribute::Alignment)
Alignment = 0;
assert(isPowerOf2_32(Align) && "Alignment must be a power of two.");
assert(Align <= 0x40000000 && "Alignment too large.");
- Attrs |= 1ULL << 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 |= 1ULL << Attribute::StackAlignment;
+ Attrs[Attribute::StackAlignment] = true;
StackAlignment = Align;
return *this;
}
}
bool AttrBuilder::hasAttributes() const {
- return Attrs != 0 || !TargetDepAttrs.empty();
+ return !Attrs.none() || !TargetDepAttrs.empty();
}
bool AttrBuilder::hasAttributes(AttributeSet A, uint64_t Index) const {
I != E; ++I) {
Attribute Attr = *I;
if (Attr.isEnumAttribute() || Attr.isAlignAttribute()) {
- if (Attrs & (1ULL << I->getKindAsEnum()))
+ if (Attrs[I->getKindAsEnum()])
return true;
} else {
assert(Attr.isStringAttribute() && "Invalid attribute kind!");
for (Attribute::AttrKind I = Attribute::None; I != Attribute::EndAttrKinds;
I = Attribute::AttrKind(I + 1)) {
if (uint64_t A = (Val & AttributeImpl::getAttrMask(I))) {
- Attrs |= 1ULL << I;
+ Attrs[I] = true;
if (I == Attribute::Alignment)
Alignment = 1ULL << ((A >> 16) - 1);