Enable display of compiler diagnostics in clang-tidy by default.

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

diff --git a/tools/opt/GraphPrinters.cpp b/tools/opt/GraphPrinters.cpp
index 1176a8df109db62ac28dfae0f484e41d9b40ada7..640edfee41dec002ec300b688154ad70cc7e3073 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
@@ -14,64 +14,33 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/Support/GraphWriter.h"
+#include "llvm/IR/Dominators.h"
 #include "llvm/Pass.h"
-#include "llvm/Value.h"
-#include "llvm/Analysis/CallGraph.h"
-#include <fstream>
-using namespace llvm;
-
-template<typename GraphType>
-static void WriteGraphToFile(std::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())
-    WriteGraph(F, GT);
-  else
-    O << "  error opening file for writing!";
-  O << "\n";
-}
 
+using namespace llvm;
 
 //===----------------------------------------------------------------------===//
-//                              Call Graph Printer
+//                            DomInfoPrinter Pass
 //===----------------------------------------------------------------------===//
 
-namespace llvm {
-  template<>
-  struct DOTGraphTraits<CallGraph*> : public DefaultDOTGraphTraits {
-    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";
-    }
-  };
-}
-
-
 namespace {
-  struct CallGraphPrinter : public Pass {
-    virtual bool run(Module &M) {
-      WriteGraphToFile(std::cerr, "callgraph", &getAnalysis<CallGraph>());
-      return false;
-    }
+  class DomInfoPrinter : public FunctionPass {
+  public:
+    static char ID; // Pass identification, replacement for typeid
+    DomInfoPrinter() : FunctionPass(ID) {}
 
-    void print(std::ostream &OS) const {}
-    
-    virtual void getAnalysisUsage(AnalysisUsage &AU) const {
-      AU.addRequired<CallGraph>();
+    void getAnalysisUsage(AnalysisUsage &AU) const override {
       AU.setPreservesAll();
+      AU.addRequired<DominatorTreeWrapperPass>();
+    }
+
+    bool runOnFunction(Function &F) override {
+      getAnalysis<DominatorTreeWrapperPass>().dump();
+      return false;
     }
   };
+}
 
-  RegisterAnalysis<CallGraphPrinter> P2("print-callgraph",
-                                        "Print Call Graph to 'dot' file");
-};
+char DomInfoPrinter::ID = 0;
+static RegisterPass<DomInfoPrinter>
+DIP("print-dom-info", "Dominator Info Printer", true, true);