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Remove redundant code.

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It was creating a new AttrBuilder when we could just fill in the AttrBuilder
we're building.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173975 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2013-01-30 21:22:59 +00:00
parent 9a6dd02261
commit 383da6ba55
1 changed files with 2 additions and 20 deletions
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22
lib/IR/Attributes.cpp
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@ -767,33 +767,15 @@ AttrBuilder::AttrBuilder(AttributeSet AS, unsigned Idx)
AttributeSetImpl *pImpl = AS.pImpl;
if (!pImpl) return;
AttrBuilder B;
for (unsigned I = 0, E = pImpl->getNumAttributes(); I != E; ++I) {
if (pImpl->getSlotIndex(I) != Idx) continue;
for (AttributeSetNode::const_iterator II = pImpl->begin(I),
for (AttributeSetImpl::const_iterator II = pImpl->begin(I),
IE = pImpl->end(I); II != IE; ++II)
B.addAttributes(*II);
addAttributes(*II);
break;
}
if (!B.hasAttributes()) return;
uint64_t Mask = B.Raw();
for (Attribute::AttrKind I = Attribute::None; I != Attribute::EndAttrKinds;
I = Attribute::AttrKind(I + 1)) {
if (uint64_t A = (Mask & AttributeImpl::getAttrMask(I))) {
Attrs.insert(I);
if (I == Attribute::Alignment)
Alignment = 1ULL << ((A >> 16) - 1);
else if (I == Attribute::StackAlignment)
StackAlignment = 1ULL << ((A >> 26)-1);
}
}
}
void AttrBuilder::clear() {