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Implement methods needed to print out call graph
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4522 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -42,6 +42,7 @@
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#define LLVM_ANALYSIS_CALLGRAPH_H
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#include "Support/GraphTraits.h"
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#include "Support/STLExtras.h"
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#include "llvm/Pass.h"
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class Function;
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class Module;
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@ -242,18 +243,36 @@ template <> struct GraphTraits<const CallGraphNode*> {
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static inline ChildIteratorType child_end (NodeType *N) { return N->end(); }
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};
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template<> struct GraphTraits<CallGraph*> :
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public GraphTraits<CallGraphNode*> {
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template<> struct GraphTraits<CallGraph*> : public GraphTraits<CallGraphNode*> {
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static NodeType *getEntryNode(CallGraph *CGN) {
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return CGN->getExternalNode(); // Start at the external node!
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}
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typedef std::pair<const Function*, CallGraphNode*> PairTy;
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typedef std::pointer_to_unary_function<PairTy, CallGraphNode&> DerefFun;
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// nodes_iterator/begin/end - Allow iteration over all nodes in the graph
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typedef mapped_iterator<CallGraph::iterator, DerefFun> nodes_iterator;
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static nodes_iterator nodes_begin(CallGraph *CG) {
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return map_iterator(CG->begin(), DerefFun(CGdereference));
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}
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static nodes_iterator nodes_end (CallGraph *CG) {
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return map_iterator(CG->end(), DerefFun(CGdereference));
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}
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static CallGraphNode &CGdereference (std::pair<const Function*,
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CallGraphNode*> P) {
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return *P.second;
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}
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};
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template<> struct GraphTraits<const CallGraph*> :
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public GraphTraits<const CallGraphNode*> {
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static NodeType *getEntryNode(const CallGraph *CGN) {
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return CGN->getExternalNode();
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}
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// nodes_iterator/begin/end - Allow iteration over all nodes in the graph
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typedef CallGraph::const_iterator nodes_iterator;
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static nodes_iterator nodes_begin(const CallGraph *CG) { return CG->begin(); }
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static nodes_iterator nodes_end (const CallGraph *CG) { return CG->end(); }
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};
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#endif
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