//
//===----------------------------------------------------------------------===//
-#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>
+#include "llvm/IR/Value.h"
+#include "llvm/Pass.h"
+#include "llvm/Support/GraphWriter.h"
+#include "llvm/Support/ToolOutputFile.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());
-
- if (F.good())
- WriteGraph(F, GT);
- else
- O << " error opening file for writing!";
- O << "\n";
+ std::string ErrInfo;
+ tool_output_file F(Filename.c_str(), ErrInfo);
+
+ if (ErrInfo.empty()) {
+ WriteGraph(F.os(), GT);
+ F.os().close();
+ if (!F.os().has_error()) {
+ O << "\n";
+ F.keep();
+ return;
+ }
+ }
+ O << " error opening file for writing!\n";
+ F.os().clear_error();
}
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,
- bool ShortNames) {
+ static std::string getNodeLabel(CallGraphNode *Node, CallGraph *Graph) {
if (Node->getFunction())
return ((Value*)Node->getFunction())->getName();
- else
- return "Indirect call node";
+ return "external node";
}
};
}
namespace {
struct CallGraphPrinter : public ModulePass {
static char ID; // Pass ID, replacement for typeid
- CallGraphPrinter() : ModulePass(&ID) {}
+ 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>();
AU.setPreservesAll();
}
};
-
- char CallGraphPrinter::ID = 0;
- RegisterPass<CallGraphPrinter> P2("dot-callgraph",
- "Print Call Graph to 'dot' file");
}
+char CallGraphPrinter::ID = 0;
+static RegisterPass<CallGraphPrinter> P2("dot-callgraph",
+ "Print Call Graph to 'dot' file");
+
//===----------------------------------------------------------------------===//
// 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);