#include "llvm/Analysis/CallGraph.h"
#include "llvm/Analysis/CallPrinter.h"
#include "llvm/Analysis/DOTGraphTraitsPass.h"
using namespace llvm;
namespace llvm {
template<>
struct DOTGraphTraits<CallGraph*> : public DefaultDOTGraphTraits {
DOTGraphTraits (bool isSimple=false) : DefaultDOTGraphTraits(isSimple) {}
static std::string getGraphName(CallGraph *Graph) {
return "Call graph";
}
std::string getNodeLabel(CallGraphNode *Node, CallGraph *Graph) {
if (Function *Func = Node->getFunction())
return Func->getName();
return "external node";
}
};
}
namespace {
struct CallGraphViewer
: public DOTGraphTraitsModuleViewer<CallGraph, true> {
static char ID;
CallGraphViewer()
: DOTGraphTraitsModuleViewer<CallGraph, true>("callgraph", ID) {
initializeCallGraphViewerPass(*PassRegistry::getPassRegistry());
}
};
struct CallGraphPrinter
: public DOTGraphTraitsModulePrinter<CallGraph, true> {
static char ID;
CallGraphPrinter()
: DOTGraphTraitsModulePrinter<CallGraph, true>("callgraph", ID) {
initializeCallGraphPrinterPass(*PassRegistry::getPassRegistry());
}
};
}
char CallGraphViewer::ID = 0;
INITIALIZE_PASS(CallGraphViewer, "view-callgraph",
"View call graph",
false, false)
char CallGraphPrinter::ID = 0;
INITIALIZE_PASS(CallGraphPrinter, "dot-callgraph",
"Print call graph to 'dot' file",
false, false)
ModulePass *llvm::createCallGraphViewerPass() {
return new CallGraphViewer();
}
ModulePass *llvm::createCallGraphPrinterPass() {
return new CallGraphPrinter();
}