#include "llvm/Analysis/CFGPrinter.h"
#include "llvm/Pass.h"
+#include "llvm/Support/FileSystem.h"
namespace llvm {
DOTGraphTraitsViewer(StringRef GraphName, char &ID)
: FunctionPass(ID), Name(GraphName) {}
- virtual bool runOnFunction(Function &F) {
- GraphT Graph = AnalysisGraphTraitsT::getGraph(&getAnalysis<AnalysisT>());
+ /// @brief Return true if this function should be processed.
+ ///
+ /// An implementation of this class my override this function to indicate that
+ /// only certain functions should be viewed.
+ ///
+ /// @param Analysis The current analysis result for this function.
+ virtual bool processFunction(Function &F, AnalysisT &Analysis) {
+ return true;
+ }
+
+ bool runOnFunction(Function &F) override {
+ auto &Analysis = getAnalysis<AnalysisT>();
+
+ if (!processFunction(F, Analysis))
+ return false;
+
+ GraphT Graph = AnalysisGraphTraitsT::getGraph(&Analysis);
std::string GraphName = DOTGraphTraits<GraphT>::getGraphName(Graph);
std::string Title = GraphName + " for '" + F.getName().str() + "' function";
return false;
}
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+ void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesAll();
AU.addRequired<AnalysisT>();
}
DOTGraphTraitsPrinter(StringRef GraphName, char &ID)
: FunctionPass(ID), Name(GraphName) {}
- virtual bool runOnFunction(Function &F) {
- GraphT Graph = AnalysisGraphTraitsT::getGraph(&getAnalysis<AnalysisT>());
+ /// @brief Return true if this function should be processed.
+ ///
+ /// An implementation of this class my override this function to indicate that
+ /// only certain functions should be printed.
+ ///
+ /// @param Analysis The current analysis result for this function.
+ virtual bool processFunction(Function &F, AnalysisT &Analysis) {
+ return true;
+ }
+
+ bool runOnFunction(Function &F) override {
+ auto &Analysis = getAnalysis<AnalysisT>();
+
+ if (!processFunction(F, Analysis))
+ return false;
+
+ GraphT Graph = AnalysisGraphTraitsT::getGraph(&Analysis);
std::string Filename = Name + "." + F.getName().str() + ".dot";
- std::string ErrorInfo;
+ std::error_code EC;
errs() << "Writing '" << Filename << "'...";
- raw_fd_ostream File(Filename.c_str(), ErrorInfo, sys::fs::F_None);
+ raw_fd_ostream File(Filename, EC, sys::fs::F_Text);
std::string GraphName = DOTGraphTraits<GraphT>::getGraphName(Graph);
std::string Title = GraphName + " for '" + F.getName().str() + "' function";
- if (ErrorInfo.empty())
+ if (!EC)
WriteGraph(File, Graph, IsSimple, Title);
else
errs() << " error opening file for writing!";
return false;
}
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+ void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesAll();
AU.addRequired<AnalysisT>();
}
DOTGraphTraitsModuleViewer(StringRef GraphName, char &ID)
: ModulePass(ID), Name(GraphName) {}
- virtual bool runOnModule(Module &M) {
+ bool runOnModule(Module &M) override {
GraphT Graph = AnalysisGraphTraitsT::getGraph(&getAnalysis<AnalysisT>());
std::string Title = DOTGraphTraits<GraphT>::getGraphName(Graph);
return false;
}
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+ void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesAll();
AU.addRequired<AnalysisT>();
}
DOTGraphTraitsModulePrinter(StringRef GraphName, char &ID)
: ModulePass(ID), Name(GraphName) {}
- virtual bool runOnModule(Module &M) {
+ bool runOnModule(Module &M) override {
GraphT Graph = AnalysisGraphTraitsT::getGraph(&getAnalysis<AnalysisT>());
std::string Filename = Name + ".dot";
- std::string ErrorInfo;
+ std::error_code EC;
errs() << "Writing '" << Filename << "'...";
- raw_fd_ostream File(Filename.c_str(), ErrorInfo, sys::fs::F_None);
+ raw_fd_ostream File(Filename, EC, sys::fs::F_Text);
std::string Title = DOTGraphTraits<GraphT>::getGraphName(Graph);
- if (ErrorInfo.empty())
+ if (!EC)
WriteGraph(File, Graph, IsSimple, Title);
else
errs() << " error opening file for writing!";
return false;
}
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+ void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesAll();
AU.addRequired<AnalysisT>();
}