//===- GraphPrinters.cpp - DOT printers for various graph types -----------===//
-//
+//
// 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.
+//
//===----------------------------------------------------------------------===//
//
// This file defines several printers for various different types of graphs used
//
//===----------------------------------------------------------------------===//
-#include "Support/GraphWriter.h"
+#include "llvm/Support/GraphWriter.h"
#include "llvm/Pass.h"
#include "llvm/Value.h"
#include "llvm/Analysis/CallGraph.h"
-#include <fstream>
-
-namespace llvm {
+#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());
-
- if (F.good())
+ std::string ErrInfo;
+ raw_fd_ostream F(Filename.c_str(), ErrInfo);
+
+ if (ErrInfo.empty())
WriteGraph(F, GT);
else
O << " error opening file for writing!";
// Call Graph Printer
//===----------------------------------------------------------------------===//
-template<>
-struct DOTGraphTraits<CallGraph*> : public DefaultDOTGraphTraits {
- static std::string getGraphName(CallGraph *F) {
- return "Call Graph";
- }
+namespace llvm {
+ template<>
+ struct DOTGraphTraits<CallGraph*> : public DefaultDOTGraphTraits {
- static std::string getNodeLabel(CallGraphNode *Node, CallGraph *Graph) {
- if (Node->getFunction())
- return ((Value*)Node->getFunction())->getName();
- else
- return "Indirect call node";
- }
-};
+ 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 "external node";
+ }
+ };
+}
namespace {
- struct CallGraphPrinter : public Pass {
- virtual bool run(Module &M) {
- WriteGraphToFile(std::cerr, "callgraph", &getAnalysis<CallGraph>());
+ struct CallGraphPrinter : public ModulePass {
+ static char ID; // Pass ID, replacement for typeid
+ CallGraphPrinter() : ModulePass(ID) {}
+
+ virtual bool runOnModule(Module &M) {
+ WriteGraphToFile(llvm::errs(), "callgraph", &getAnalysis<CallGraph>());
return false;
}
- void print(std::ostream &OS) const {}
-
+ void print(raw_ostream &OS, const llvm::Module*) const {}
+
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequired<CallGraph>();
AU.setPreservesAll();
}
};
- RegisterAnalysis<CallGraphPrinter> P2("print-callgraph",
- "Print Call Graph to 'dot' file");
-};
+ 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>();
-} // End llvm namespace
+ }
+
+ 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);
+}