1 //===-- DOTGraphTraitsPass.h - Print/View dotty graphs-----------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // Templates to create dotty viewer and printer passes for GraphTraits graphs.
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_ANALYSIS_DOT_GRAPHTRAITS_PASS_H
15 #define LLVM_ANALYSIS_DOT_GRAPHTRAITS_PASS_H
17 #include "llvm/Pass.h"
18 #include "llvm/Analysis/CFGPrinter.h"
21 template <class Analysis, bool Simple>
22 struct DOTGraphTraitsViewer : public FunctionPass {
25 DOTGraphTraitsViewer(std::string GraphName, const void *ID) : FunctionPass(ID) {
29 virtual bool runOnFunction(Function &F) {
31 std::string Title, GraphName;
32 Graph = &getAnalysis<Analysis>();
33 GraphName = DOTGraphTraits<Analysis*>::getGraphName(Graph);
34 Title = GraphName + " for '" + F.getNameStr() + "' function";
35 ViewGraph(Graph, Name, Simple, Title);
40 virtual void getAnalysisUsage(AnalysisUsage &AU) const {
42 AU.addRequired<Analysis>();
46 template <class Analysis, bool Simple>
47 struct DOTGraphTraitsPrinter : public FunctionPass {
51 DOTGraphTraitsPrinter(std::string GraphName, const void *ID)
56 virtual bool runOnFunction(Function &F) {
58 std::string Filename = Name + "." + F.getNameStr() + ".dot";
59 errs() << "Writing '" << Filename << "'...";
61 std::string ErrorInfo;
62 raw_fd_ostream File(Filename.c_str(), ErrorInfo);
63 Graph = &getAnalysis<Analysis>();
65 std::string Title, GraphName;
66 GraphName = DOTGraphTraits<Analysis*>::getGraphName(Graph);
67 Title = GraphName + " for '" + F.getNameStr() + "' function";
69 if (ErrorInfo.empty())
70 WriteGraph(File, Graph, Simple, Name, Title);
72 errs() << " error opening file for writing!";
77 virtual void getAnalysisUsage(AnalysisUsage &AU) const {
79 AU.addRequired<Analysis>();