//
// 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/Support/GraphWriter.h"
-#include "llvm/Pass.h"
-#include "llvm/Value.h"
#include "llvm/Analysis/CallGraph.h"
-#include <iostream>
-#include <fstream>
+#include "llvm/Analysis/Dominators.h"
+#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());
+ std::string ErrInfo;
+ tool_output_file F(Filename.c_str(), ErrInfo);
- if (F.good())
- WriteGraph(F, GT);
- else
- O << " error opening file for writing!";
- O << "\n";
+ 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) {
if (Node->getFunction())
return ((Value*)Node->getFunction())->getName();
- else
- return "Indirect call node";
+ return "external node";
}
};
}
namespace {
struct CallGraphPrinter : public ModulePass {
- static const char 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>();
AU.setPreservesAll();
}
};
+}
+
+char CallGraphPrinter::ID = 0;
+static RegisterPass<CallGraphPrinter> P2("dot-callgraph",
+ "Print Call Graph to 'dot' file");
+
+//===----------------------------------------------------------------------===//
+// DomInfoPrinter Pass
+//===----------------------------------------------------------------------===//
- const char CallGraphPrinter::ID = 0;
- RegisterPass<CallGraphPrinter> P2("print-callgraph",
- "Print Call Graph to 'dot' file");
+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>();
+
+ }
+
+ virtual bool runOnFunction(Function &F) {
+ getAnalysis<DominatorTree>().dump();
+ return false;
+ }
+ };
}
+
+char DomInfoPrinter::ID = 0;
+static RegisterPass<DomInfoPrinter>
+DIP("print-dom-info", "Dominator Info Printer", true, true);