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Use the AttributeSet's iterators.

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Use the AttributeSet's iterators in AttrBuilder::hasAttributes() when
determining of the intersection of the AttrBuilder and AttributeSet is non-null.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174250 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2013-02-02 00:42:06 +00:00
parent fb10b256aa
commit bdcbccc710
2 changed files with 22 additions and 5 deletions
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1
lib/IR/AttributeImpl.h
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@ -153,7 +153,6 @@ public:
/// \p Slot is an index into the AttrNodes list, not the index of the return /
/// parameter/ function which the attributes apply to.
AttributeSet getSlotAttributes(unsigned Slot) const {
// FIXME: This needs to use AttrNodes instead.
return AttributeSet::get(Context, AttrNodes[Slot]);
}

26
lib/IR/Attributes.cpp
View File

@ -42,9 +42,7 @@ Attribute Attribute::get(LLVMContext &Context, Constant *Kind, Constant *Val) {
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, Kind, Val);
pImpl->AttrsSet.InsertNode(PA, InsertPoint);
}
@ -884,7 +882,27 @@ bool AttrBuilder::hasAttributes() const {
}
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;
// FIXME: Support StringRefs.
Attribute::AttrKind Kind = Attribute::AttrKind(
cast<ConstantInt>(Attr.getAttributeKind())->getZExtValue());
if (Attrs.count(Kind))
return true;
}
return false;
}
bool AttrBuilder::hasAlignmentAttr() const {