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Add iterators to the AttributeSet class so that we can access the Attributes in a nice way.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174120 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2013-01-31 23:53:05 +00:00
parent ac08785eda
commit 16c4b3cf29
2 changed files with 17 additions and 0 deletions
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5
include/llvm/IR/Attributes.h
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@ -270,6 +270,11 @@ public:
/// \brief Return the attributes at the index as a string.
std::string getAsString(unsigned Index) const;
typedef ArrayRef<Attribute>::iterator iterator;
iterator begin(unsigned Idx);
iterator end(unsigned Idx);
/// operator==/!= - Provide equality predicates.
bool operator==(const AttributeSet &RHS) const {
return pImpl == RHS.pImpl;

12
lib/IR/Attributes.cpp
View File

@ -740,6 +740,18 @@ AttributeSetNode *AttributeSet::getAttributes(unsigned Idx) const {
return 0;
}
AttributeSet::iterator AttributeSet::begin(unsigned Idx) {
if (!pImpl)
return ArrayRef<Attribute>().begin();
return pImpl->begin(Idx);
}
AttributeSet::iterator AttributeSet::end(unsigned Idx) {
if (!pImpl)
return ArrayRef<Attribute>().end();
return pImpl->begin(Idx);
}
//===----------------------------------------------------------------------===//
// AttributeSet Introspection Methods
//===----------------------------------------------------------------------===//