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SCC: Remove non-const operator*()

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<rdar://problem/14292693>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207254 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith 2014-04-25 18:26:45 +00:00
parent f6e00376e7
commit d86dbccfef
1 changed files with 5 additions and 7 deletions
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12
include/llvm/ADT/SCCIterator.h
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@ -35,15 +35,17 @@ namespace llvm {
/// This is implemented using Tarjan's DFS algorithm using an internal stack to
/// build up a vector of nodes in a particular SCC. Note that it is a forward
/// iterator and thus you cannot backtrack or re-visit nodes.
template <class GraphT, class GT = GraphTraits<GraphT> >
template <class GraphT, class GT = GraphTraits<GraphT>>
class scc_iterator
: public std::iterator<std::forward_iterator_tag,
std::vector<typename GT::NodeType>, ptrdiff_t> {
const std::vector<typename GT::NodeType>,
ptrdiff_t> {
typedef typename GT::NodeType NodeType;
typedef typename GT::ChildIteratorType ChildItTy;
typedef std::vector<NodeType *> SccTy;
typedef std::iterator<std::forward_iterator_tag,
std::vector<typename GT::NodeType>, ptrdiff_t> super;
const std::vector<typename GT::NodeType>,
ptrdiff_t> super;
typedef typename super::reference reference;
typedef typename super::pointer pointer;
@ -129,10 +131,6 @@ public:
assert(!CurrentSCC.empty() && "Dereferencing END SCC iterator!");
return CurrentSCC;
}
SccTy &operator*() {
assert(!CurrentSCC.empty() && "Dereferencing END SCC iterator!");
return CurrentSCC;
}
/// \brief Test if the current SCC has a loop.
///