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Rough out a new c'tor for the AttrBuilder class.

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This c'tor takes the AttributeSet class as the parameter. It will eventually
grab the attributes from the specified index and create a new attribute builder
with those attributes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171712 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling
2013-01-07 08:24:35 +00:00
parent a812641879
commit a90a99a82b
3 changed files with 141 additions and 109 deletions
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20
lib/IR/Attributes.cpp
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@ -241,6 +241,26 @@ std::string Attribute::getAsString() const {
// AttrBuilder Method Implementations
//===----------------------------------------------------------------------===//
AttrBuilder::AttrBuilder(AttributeSet AS, unsigned Idx)
: Alignment(0), StackAlignment(0) {
AttributeSetImpl *pImpl = AS.AttrList;
if (!pImpl) return;
ArrayRef<AttributeWithIndex> AttrList = pImpl->getAttributes();
const AttributeWithIndex *AWI = 0;
for (unsigned I = 0, E = AttrList.size(); I != E; ++I)
if (AttrList[I].Index == Idx) {
AWI = &AttrList[I];
break;
}
assert(AWI && "Cannot find index in attribute set!");
/// FIXME: This will be modified in the future. Basically, the
/// AttributeWithIndex class will contain the
}
void AttrBuilder::clear() {
Attrs.clear();
Alignment = StackAlignment = 0;