Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/Analysis/DOTGraphTraitsPass.h b/linux-x64/clang/include/llvm/Analysis/DOTGraphTraitsPass.h
new file mode 100644
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+++ b/linux-x64/clang/include/llvm/Analysis/DOTGraphTraitsPass.h
@@ -0,0 +1,189 @@
+//===-- 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_DOTGRAPHTRAITSPASS_H
+#define LLVM_ANALYSIS_DOTGRAPHTRAITSPASS_H
+
+#include "llvm/Analysis/CFGPrinter.h"
+#include "llvm/Pass.h"
+#include "llvm/Support/FileSystem.h"
+
+namespace llvm {
+
+/// \brief Default traits class for extracting a graph from an analysis pass.
+///
+/// This assumes that 'GraphT' is 'AnalysisT *' and so just passes it through.
+template <typename AnalysisT, typename GraphT = AnalysisT *>
+struct DefaultAnalysisGraphTraits {
+ static GraphT getGraph(AnalysisT *A) { return A; }
+};
+
+template <
+ typename AnalysisT, bool IsSimple, typename GraphT = AnalysisT *,
+ typename AnalysisGraphTraitsT = DefaultAnalysisGraphTraits<AnalysisT, GraphT> >
+class DOTGraphTraitsViewer : public FunctionPass {
+public:
+ DOTGraphTraitsViewer(StringRef GraphName, char &ID)
+ : FunctionPass(ID), Name(GraphName) {}
+
+ /// @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";
+
+ ViewGraph(Graph, Name, IsSimple, Title);
+
+ return false;
+ }
+
+ void getAnalysisUsage(AnalysisUsage &AU) const override {
+ AU.setPreservesAll();
+ AU.addRequired<AnalysisT>();
+ }
+
+private:
+ std::string Name;
+};
+
+template <
+ typename AnalysisT, bool IsSimple, typename GraphT = AnalysisT *,
+ typename AnalysisGraphTraitsT = DefaultAnalysisGraphTraits<AnalysisT, GraphT> >
+class DOTGraphTraitsPrinter : public FunctionPass {
+public:
+ DOTGraphTraitsPrinter(StringRef GraphName, char &ID)
+ : FunctionPass(ID), Name(GraphName) {}
+
+ /// @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::error_code EC;
+
+ errs() << "Writing '" << Filename << "'...";
+
+ 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 (!EC)
+ WriteGraph(File, Graph, IsSimple, Title);
+ else
+ errs() << " error opening file for writing!";
+ errs() << "\n";
+
+ return false;
+ }
+
+ void getAnalysisUsage(AnalysisUsage &AU) const override {
+ AU.setPreservesAll();
+ AU.addRequired<AnalysisT>();
+ }
+
+private:
+ std::string Name;
+};
+
+template <
+ typename AnalysisT, bool IsSimple, typename GraphT = AnalysisT *,
+ typename AnalysisGraphTraitsT = DefaultAnalysisGraphTraits<AnalysisT, GraphT> >
+class DOTGraphTraitsModuleViewer : public ModulePass {
+public:
+ DOTGraphTraitsModuleViewer(StringRef GraphName, char &ID)
+ : ModulePass(ID), Name(GraphName) {}
+
+ bool runOnModule(Module &M) override {
+ GraphT Graph = AnalysisGraphTraitsT::getGraph(&getAnalysis<AnalysisT>());
+ std::string Title = DOTGraphTraits<GraphT>::getGraphName(Graph);
+
+ ViewGraph(Graph, Name, IsSimple, Title);
+
+ return false;
+ }
+
+ void getAnalysisUsage(AnalysisUsage &AU) const override {
+ AU.setPreservesAll();
+ AU.addRequired<AnalysisT>();
+ }
+
+private:
+ std::string Name;
+};
+
+template <
+ typename AnalysisT, bool IsSimple, typename GraphT = AnalysisT *,
+ typename AnalysisGraphTraitsT = DefaultAnalysisGraphTraits<AnalysisT, GraphT> >
+class DOTGraphTraitsModulePrinter : public ModulePass {
+public:
+ DOTGraphTraitsModulePrinter(StringRef GraphName, char &ID)
+ : ModulePass(ID), Name(GraphName) {}
+
+ bool runOnModule(Module &M) override {
+ GraphT Graph = AnalysisGraphTraitsT::getGraph(&getAnalysis<AnalysisT>());
+ std::string Filename = Name + ".dot";
+ std::error_code EC;
+
+ errs() << "Writing '" << Filename << "'...";
+
+ raw_fd_ostream File(Filename, EC, sys::fs::F_Text);
+ std::string Title = DOTGraphTraits<GraphT>::getGraphName(Graph);
+
+ if (!EC)
+ WriteGraph(File, Graph, IsSimple, Title);
+ else
+ errs() << " error opening file for writing!";
+ errs() << "\n";
+
+ return false;
+ }
+
+ void getAnalysisUsage(AnalysisUsage &AU) const override {
+ AU.setPreservesAll();
+ AU.addRequired<AnalysisT>();
+ }
+
+private:
+ std::string Name;
+};
+
+} // end namespace llvm
+
+#endif