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//===-- DOTGraphTraitsPass.h - Print/View dotty graphs-----------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Templates to create dotty viewer and printer passes for GraphTraits graphs.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_ANALYSIS_DOT_GRAPHTRAITS_PASS_H
#define LLVM_ANALYSIS_DOT_GRAPHTRAITS_PASS_H
#include "llvm/Pass.h"
#include "llvm/Analysis/CFGPrinter.h"
namespace llvm {
template <class Analysis, bool Simple>
struct DOTGraphTraitsViewer : public FunctionPass {
std::string Name;
DOTGraphTraitsViewer(std::string GraphName, char &ID) : FunctionPass(ID) {
Name = GraphName;
}
virtual bool runOnFunction(Function &F) {
Analysis *Graph;
std::string Title, GraphName;
Graph = &getAnalysis<Analysis>();
GraphName = DOTGraphTraits<Analysis*>::getGraphName(Graph);
Title = GraphName + " for '" + F.getNameStr() + "' function";
ViewGraph(Graph, Name, Simple, Title);
return false;
}
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
AU.addRequired<Analysis>();
}
};
template <class Analysis, bool Simple>
struct DOTGraphTraitsPrinter : public FunctionPass {
std::string Name;
DOTGraphTraitsPrinter(std::string GraphName, char &ID)
: FunctionPass(ID) {
Name = GraphName;
}
virtual bool runOnFunction(Function &F) {
Analysis *Graph;
std::string Filename = Name + "." + F.getNameStr() + ".dot";
errs() << "Writing '" << Filename << "'...";
std::string ErrorInfo;
raw_fd_ostream File(Filename.c_str(), ErrorInfo);
Graph = &getAnalysis<Analysis>();
std::string Title, GraphName;
GraphName = DOTGraphTraits<Analysis*>::getGraphName(Graph);
Title = GraphName + " for '" + F.getNameStr() + "' function";
if (ErrorInfo.empty())
WriteGraph(File, Graph, Simple, Title);
else
errs() << " error opening file for writing!";
errs() << "\n";
return false;
}
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
AU.addRequired<Analysis>();
}
};
}
#endif
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