//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#include "llvm/Pass.h"
#include "llvm/Value.h"
#include "llvm/Analysis/CallGraph.h"
-#include <iostream>
-#include <fstream>
+#include "llvm/Analysis/Dominators.h"
+#include "llvm/Support/raw_ostream.h"
using namespace llvm;
template<typename GraphType>
-static void WriteGraphToFile(std::ostream &O, const std::string &GraphName,
+static void WriteGraphToFile(raw_ostream &O, const std::string &GraphName,
const GraphType >) {
std::string Filename = GraphName + ".dot";
O << "Writing '" << Filename << "'...";
- std::ofstream F(Filename.c_str());
+ std::string ErrInfo;
+ raw_fd_ostream F(Filename.c_str(), ErrInfo);
- if (F.good())
+ if (ErrInfo.empty())
WriteGraph(F, GT);
else
O << " error opening file for writing!";
namespace llvm {
template<>
struct DOTGraphTraits<CallGraph*> : public DefaultDOTGraphTraits {
+
+ DOTGraphTraits (bool isSimple=false) : DefaultDOTGraphTraits(isSimple) {}
+
static std::string getGraphName(CallGraph *F) {
return "Call Graph";
}
if (Node->getFunction())
return ((Value*)Node->getFunction())->getName();
else
- return "Indirect call node";
+ return "external node";
}
};
}
namespace {
struct CallGraphPrinter : public ModulePass {
- static const int ID; // Pass ID, replacement for typeid
- CallGraphPrinter() : ModulePass((intptr_t)&ID) {}
+ static char ID; // Pass ID, replacement for typeid
+ CallGraphPrinter() : ModulePass(ID) {}
virtual bool runOnModule(Module &M) {
- WriteGraphToFile(std::cerr, "callgraph", &getAnalysis<CallGraph>());
+ WriteGraphToFile(llvm::errs(), "callgraph", &getAnalysis<CallGraph>());
return false;
}
- void print(std::ostream &OS) const {}
- void print(std::ostream &OS, const llvm::Module*) const {}
+ void print(raw_ostream &OS, const llvm::Module*) const {}
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequired<CallGraph>();
}
};
- const int CallGraphPrinter::ID = 0;
- RegisterPass<CallGraphPrinter> P2("print-callgraph",
+ char CallGraphPrinter::ID = 0;
+ RegisterPass<CallGraphPrinter> P2("dot-callgraph",
"Print Call Graph to 'dot' file");
}
+
+//===----------------------------------------------------------------------===//
+// DomInfoPrinter Pass
+//===----------------------------------------------------------------------===//
+
+namespace {
+ class DomInfoPrinter : public FunctionPass {
+ public:
+ static char ID; // Pass identification, replacement for typeid
+ 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();
+ return false;
+ }
+ };
+
+ char DomInfoPrinter::ID = 0;
+ static RegisterPass<DomInfoPrinter>
+ DIP("print-dom-info", "Dominator Info Printer", true, true);
+}