simplify by using CallSite constructors; virtually eliminates CallSite::get from...

[oota-llvm.git] / tools / opt / GraphPrinters.cpp

diff --git a/tools/opt/GraphPrinters.cpp b/tools/opt/GraphPrinters.cpp
index 9fd09c94fd14ab7003341b4606333b3c2d2b76ed..e7c6d1e6af8579fadf56656d1a860ccddd838d16 100644 (file)
--- a/tools/opt/GraphPrinters.cpp
+++ b/tools/opt/GraphPrinters.cpp
@@ -1,10 +1,10 @@
 //===- 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
@@ -18,17 +18,19 @@
 #include "llvm/Pass.h"
 #include "llvm/Value.h"
 #include "llvm/Analysis/CallGraph.h"
-#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 &GT) {
   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!";
@@ -43,15 +45,18 @@ static void WriteGraphToFile(std::ostream &O, const std::string &GraphName,
 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";
     }
   };
 }
@@ -59,19 +64,54 @@ namespace llvm {
 
 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>());
+      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>();
+
+    }
+
+    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);
+}