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SCC: Use the reference typedef

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Actually use the `reference` typedef, and remove the private
redefinition of `pointer` since it has no users.

Using `reference` exposes a problem with r207257, which specified the
wrong `value_type` to `iterator_facade_base` (fixed that too).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207270 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith 2014-04-25 20:52:08 +00:00
parent 988b78a846
commit d9dc95709e
1 changed files with 5 additions and 5 deletions
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10
include/llvm/ADT/SCCIterator.h
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@ -37,14 +37,14 @@ namespace llvm {
/// 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>>
class scc_iterator : public iterator_facade_base<
scc_iterator<GraphT, GT>, std::forward_iterator_tag,
const std::vector<typename GT::NodeType>, ptrdiff_t> {
class scc_iterator
: public iterator_facade_base<
scc_iterator<GraphT, GT>, std::forward_iterator_tag,
const std::vector<typename GT::NodeType *>, ptrdiff_t> {
typedef typename GT::NodeType NodeType;
typedef typename GT::ChildIteratorType ChildItTy;
typedef std::vector<NodeType *> SccTy;
typedef typename scc_iterator::reference reference;
typedef typename scc_iterator::pointer pointer;
/// Element of VisitStack during DFS.
struct StackElement {
@ -118,7 +118,7 @@ public:
return *this;
}
const SccTy &operator*() const {
reference operator*() const {
assert(!CurrentSCC.empty() && "Dereferencing END SCC iterator!");
return CurrentSCC;
}