//
//===----------------------------------------------------------------------===//
-#include "llvm/Support/GraphWriter.h"
-#include "llvm/Pass.h"
-#include "llvm/Value.h"
-#include "llvm/Analysis/CallGraph.h"
#include "llvm/Analysis/Dominators.h"
-#include <iostream>
-#include <fstream>
-using namespace llvm;
-
-template<typename GraphType>
-static void WriteGraphToFile(std::ostream &O, const std::string &GraphName,
- const GraphType >) {
- std::string Filename = GraphName + ".dot";
- O << "Writing '" << Filename << "'...";
- std::string ErrInfo;
- raw_fd_ostream F(Filename.c_str(), ErrInfo);
-
- if (ErrInfo.empty())
- WriteGraph(F, GT);
- else
- O << " error opening file for writing!";
- O << "\n";
-}
-
-
-//===----------------------------------------------------------------------===//
-// Call Graph Printer
-//===----------------------------------------------------------------------===//
-
-namespace llvm {
- template<>
- struct DOTGraphTraits<CallGraph*> : public DefaultDOTGraphTraits {
-
- DOTGraphTraits (bool isSimple=false) : DefaultDOTGraphTraits(isSimple) {}
-
- static std::string getGraphName(CallGraph *F) {
- return "Call Graph";
- }
-
- static std::string getNodeLabel(CallGraphNode *Node, CallGraph *Graph) {
- if (Node->getFunction())
- return ((Value*)Node->getFunction())->getName();
- else
- return "Indirect call node";
- }
- };
-}
-
-
-namespace {
- struct CallGraphPrinter : public ModulePass {
- static char ID; // Pass ID, replacement for typeid
- CallGraphPrinter() : ModulePass(&ID) {}
-
- virtual bool runOnModule(Module &M) {
- WriteGraphToFile(std::cerr, "callgraph", &getAnalysis<CallGraph>());
- return false;
- }
-
- void print(raw_ostream &OS, const llvm::Module*) const {}
-
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
- AU.addRequired<CallGraph>();
- AU.setPreservesAll();
- }
- };
+#include "llvm/Pass.h"
- char CallGraphPrinter::ID = 0;
- RegisterPass<CallGraphPrinter> P2("dot-callgraph",
- "Print Call Graph to 'dot' file");
-}
+using namespace llvm;
//===----------------------------------------------------------------------===//
// DomInfoPrinter Pass
class DomInfoPrinter : public FunctionPass {
public:
static char ID; // Pass identification, replacement for typeid
- DomInfoPrinter() : FunctionPass(&ID) {}
+ DomInfoPrinter() : FunctionPass(ID) {}
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
AU.addRequired<DominatorTree>();
- AU.addRequired<DominanceFrontier>();
}
virtual bool runOnFunction(Function &F) {
- DominatorTree &DT = getAnalysis<DominatorTree>();
- DT.dump();
- DominanceFrontier &DF = getAnalysis<DominanceFrontier>();
- DF.dump();
+ getAnalysis<DominatorTree>().dump();
return false;
}
};
-
- char DomInfoPrinter::ID = 0;
- static RegisterPass<DomInfoPrinter>
- DIP("print-dom-info", "Dominator Info Printer", true, true);
}
+
+char DomInfoPrinter::ID = 0;
+static RegisterPass<DomInfoPrinter>
+DIP("print-dom-info", "Dominator Info Printer", true, true);