diff --git a/llvm/include/llvm/Analysis/CallGraph.h b/llvm/include/llvm/Analysis/CallGraph.h index 6c9e56e22085..8efc85f9fb02 100644 --- a/llvm/include/llvm/Analysis/CallGraph.h +++ b/llvm/include/llvm/Analysis/CallGraph.h @@ -426,12 +426,14 @@ template <> struct GraphTraits { template <> struct GraphTraits { using NodeRef = const CallGraphNode *; using CGNPairTy = CallGraphNode::CallRecord; + using EdgeRef = const CallGraphNode::CallRecord &; static NodeRef getEntryNode(const CallGraphNode *CGN) { return CGN; } static const CallGraphNode *CGNGetValue(CGNPairTy P) { return P.second; } using ChildIteratorType = mapped_iterator; + using ChildEdgeIteratorType = CallGraphNode::const_iterator; static ChildIteratorType child_begin(NodeRef N) { return ChildIteratorType(N->begin(), &CGNGetValue); @@ -440,6 +442,13 @@ template <> struct GraphTraits { static ChildIteratorType child_end(NodeRef N) { return ChildIteratorType(N->end(), &CGNGetValue); } + + static ChildEdgeIteratorType child_edge_begin(NodeRef N) { + return N->begin(); + } + static ChildEdgeIteratorType child_edge_end(NodeRef N) { return N->end(); } + + static NodeRef edge_dest(EdgeRef E) { return E.second; } }; template <> @@ -495,56 +504,6 @@ struct GraphTraits : public GraphTraits< } }; -// FIXME: The traits here are not limited to callgraphs and can be moved -// elsewhere including GraphTraits. They are left here because only algorithms -// that operate on Callgraphs currently use them. If other algorithms operating -// on a general graph need edge traversals, these can be moved. -template -struct CallGraphTraits : public GraphTraits { - // Elements to provide: - - // typedef EdgeRef - Type of Edge token in the graph, which should - // be cheap to copy. - // typedef CallEdgeIteratorType - Type used to iterate over children edges in - // graph, dereference to a EdgeRef. - - // static CallEdgeIteratorType call_edge_begin(NodeRef) - // static CallEdgeIteratorType call_edge_end (NodeRef) - // Return iterators that point to the beginning and ending of the call - // edges list for the given callgraph node. - // - // static NodeRef edge_dest(EdgeRef) - // Return the destination node of an edge. - - // If anyone tries to use this class without having an appropriate - // specialization, make an error. If you get this error, it's because you - // need to include the appropriate specialization of GraphTraits<> for your - // graph, or you need to define it for a new graph type. Either that or - // your argument to XXX_begin(...) is unknown or needs to have the proper .h - // file #include'd. - using CallEdgeIteratorType = - typename CallGraphType::UnknownCallGraphTypeError; -}; - -template -iterator_range::CallEdgeIteratorType> -call_edges(const typename CallGraphTraits::NodeRef &G) { - return make_range(CallGraphTraits::call_edge_begin(G), - CallGraphTraits::call_edge_end(G)); -} - -template <> -struct CallGraphTraits - : public GraphTraits { - using EdgeRef = const CallGraphNode::CallRecord &; - using CallEdgeIteratorType = CallGraphNode::const_iterator; - - static CallEdgeIteratorType call_edge_begin(NodeRef N) { return N->begin(); } - static CallEdgeIteratorType call_edge_end(NodeRef N) { return N->end(); } - - static NodeRef edge_dest(EdgeRef E) { return E.second; } -}; - } // end namespace llvm #endif // LLVM_ANALYSIS_CALLGRAPH_H diff --git a/llvm/include/llvm/Analysis/SyntheticCountsUtils.h b/llvm/include/llvm/Analysis/SyntheticCountsUtils.h index 7b633c0b53f6..87f4a0100b38 100644 --- a/llvm/include/llvm/Analysis/SyntheticCountsUtils.h +++ b/llvm/include/llvm/Analysis/SyntheticCountsUtils.h @@ -31,7 +31,7 @@ class Function; template class SyntheticCountsUtils { public: using Scaled64 = ScaledNumber; - using CGT = CallGraphTraits; + using CGT = GraphTraits; using NodeRef = typename CGT::NodeRef; using EdgeRef = typename CGT::EdgeRef; using SccTy = std::vector; diff --git a/llvm/lib/Analysis/SyntheticCountsUtils.cpp b/llvm/lib/Analysis/SyntheticCountsUtils.cpp index 22b402b21e64..b085fa274d7f 100644 --- a/llvm/lib/Analysis/SyntheticCountsUtils.cpp +++ b/llvm/lib/Analysis/SyntheticCountsUtils.cpp @@ -38,7 +38,7 @@ void SyntheticCountsUtils::propagateFromSCC( // Partition the edges coming out of the SCC into those whose destination is // in the SCC and the rest. for (const auto &Node : SCCNodes) { - for (auto &E : call_edges(Node)) { + for (auto &E : children_edges(Node)) { if (SCCNodes.count(CGT::edge_dest(E))) SCCEdges.emplace_back(Node, E); else @@ -89,7 +89,7 @@ void SyntheticCountsUtils::propagateFromSCC( /// This performs a reverse post-order traversal of the callgraph SCC. For each /// SCC, it first propagates the entry counts to the nodes within the SCC /// through call edges and updates them in one shot. Then the entry counts are -/// propagated to nodes outside the SCC. This requires \p CallGraphTraits +/// propagated to nodes outside the SCC. This requires \p GraphTraits /// to have a specialization for \p CallGraphType. template