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Diffstat (limited to 'examples/wpa/clang-wpa.cpp')
| -rw-r--r-- | examples/wpa/clang-wpa.cpp | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/examples/wpa/clang-wpa.cpp b/examples/wpa/clang-wpa.cpp deleted file mode 100644 index 89eddb356242d..0000000000000 --- a/examples/wpa/clang-wpa.cpp +++ /dev/null @@ -1,181 +0,0 @@ -//===--- clang-wpa.cpp - clang whole program analyzer ---------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This tool reads a sequence of precompiled AST files, and do various -// cross translation unit analyses. -// -//===----------------------------------------------------------------------===// - -#include "clang/Basic/FileManager.h" -#include "clang/Basic/SourceManager.h" -#include "clang/StaticAnalyzer/Frontend/CheckerRegistration.h" -#include "clang/StaticAnalyzer/Core/PathSensitive/AnalysisManager.h" -#include "clang/StaticAnalyzer/Core/PathSensitive/ExprEngine.h" -#include "clang/StaticAnalyzer/Core/PathSensitive/TransferFuncs.h" -#include "clang/StaticAnalyzer/Core/CheckerManager.h" -#include "clang/StaticAnalyzer/Checkers/LocalCheckers.h" -#include "clang/Frontend/ASTUnit.h" -#include "clang/Frontend/CompilerInstance.h" -#include "clang/Index/CallGraph.h" -#include "clang/Index/Indexer.h" -#include "clang/Index/TranslationUnit.h" -#include "clang/Index/DeclReferenceMap.h" -#include "clang/Index/SelectorMap.h" -#include "clang/Lex/Preprocessor.h" -#include "clang/Basic/TargetInfo.h" -#include "llvm/ADT/IntrusiveRefCntPtr.h" -#include "llvm/Support/CommandLine.h" -#include "llvm/Support/raw_ostream.h" -using namespace clang; -using namespace idx; - -static llvm::cl::list<std::string> -InputFilenames(llvm::cl::Positional, llvm::cl::desc("<input AST files>")); - -static llvm::cl::opt<bool> -ViewCallGraph("view-call-graph", llvm::cl::desc("Display the call graph.")); - -static llvm::cl::opt<std::string> -AnalyzeFunction("analyze-function", - llvm::cl::desc("Specify the entry function.")); - -namespace { -// A thin wrapper over ASTUnit implementing the TranslationUnit interface. -class ASTUnitTU : public TranslationUnit { - ASTUnit *AST; - DeclReferenceMap DeclRefMap; - SelectorMap SelMap; - -public: - ASTUnitTU(ASTUnit *ast) - : AST(ast), DeclRefMap(AST->getASTContext()), SelMap(AST->getASTContext()) { - } - - virtual ASTContext &getASTContext() { - return AST->getASTContext(); - } - - virtual Preprocessor &getPreprocessor() { - return AST->getPreprocessor(); - } - - virtual Diagnostic &getDiagnostic() { - return AST->getDiagnostics(); - } - - virtual DeclReferenceMap &getDeclReferenceMap() { - return DeclRefMap; - } - - virtual SelectorMap &getSelectorMap() { - return SelMap; - } -}; -} - -int main(int argc, char **argv) { - llvm::cl::ParseCommandLineOptions(argc, argv, "clang-wpa"); - std::vector<ASTUnit*> ASTUnits; - - Program Prog; - Indexer Idxer(Prog); - - if (InputFilenames.empty()) - return 0; - - DiagnosticOptions DiagOpts; - llvm::IntrusiveRefCntPtr<Diagnostic> Diags - = CompilerInstance::createDiagnostics(DiagOpts, argc, argv); - for (unsigned i = 0, e = InputFilenames.size(); i != e; ++i) { - const std::string &InFile = InputFilenames[i]; - llvm::OwningPtr<ASTUnit> AST(ASTUnit::LoadFromASTFile(InFile, Diags, - FileSystemOptions(), - false, 0, 0, true)); - if (!AST) - return 1; - - ASTUnits.push_back(AST.take()); - } - - if (ViewCallGraph) { - llvm::OwningPtr<CallGraph> CG; - CG.reset(new CallGraph(Prog)); - - for (unsigned i = 0, e = ASTUnits.size(); i != e; ++i) - CG->addTU(ASTUnits[i]->getASTContext()); - - CG->ViewCallGraph(); - return 0; - } - - if (AnalyzeFunction.empty()) - return 0; - - // Feed all ASTUnits to the Indexer. - for (unsigned i = 0, e = ASTUnits.size(); i != e; ++i) { - ASTUnitTU *TU = new ASTUnitTU(ASTUnits[i]); - Idxer.IndexAST(TU); - } - - Entity Ent = Entity::get(AnalyzeFunction, Prog); - FunctionDecl *FD; - TranslationUnit *TU; - llvm::tie(FD, TU) = Idxer.getDefinitionFor(Ent); - - if (!FD) - return 0; - - // Create an analysis engine. - Preprocessor &PP = TU->getPreprocessor(); - - AnalyzerOptions Opts; - - // Hard code options and checkers for now. - - Opts.MaxNodes = 300000; - Opts.MaxLoop = 3; - Opts.InlineCall = true; - Opts.CFGAddImplicitDtors = true; - Opts.EagerlyTrimEGraph = true; - - Opts.CheckersControlList.push_back(std::make_pair("core", true)); - if (PP.getTargetInfo().getTriple().getOS() != llvm::Triple::Win32) - Opts.CheckersControlList.push_back(std::make_pair("unix", true)); - if (PP.getTargetInfo().getTriple().getVendor() == llvm::Triple::Apple) - Opts.CheckersControlList.push_back(std::make_pair("macosx", true)); - - // Checks to perform for Objective-C/Objective-C++. - if (PP.getLangOptions().ObjC1) - Opts.CheckersControlList.push_back(std::make_pair("cocoa", true)); - - llvm::OwningPtr<ento::CheckerManager> checkerMgr; - checkerMgr.reset(ento::registerCheckers(Opts, PP.getLangOptions(), - PP.getDiagnostics())); - - using namespace clang::ento; - AnalysisManager AMgr(TU->getASTContext(), PP.getDiagnostics(), - PP.getLangOptions(), /* PathDiagnostic */ 0, - CreateRegionStoreManager, - CreateRangeConstraintManager, checkerMgr.get(), &Idxer, - Opts.MaxNodes, Opts.MaxLoop, - Opts.VisualizeEGDot, Opts.VisualizeEGUbi, - Opts.PurgeDead, Opts.EagerlyAssume, - Opts.TrimGraph, Opts.InlineCall, - Opts.UnoptimizedCFG, Opts.CFGAddImplicitDtors, - Opts.CFGAddInitializers, - Opts.EagerlyTrimEGraph); - - TransferFuncs* TF = MakeCFRefCountTF(AMgr.getASTContext(), /*GC*/false, - AMgr.getLangOptions()); - ExprEngine Eng(AMgr, TF); - - Eng.ExecuteWorkList(AMgr.getStackFrame(FD, TU), AMgr.getMaxNodes()); - - return 0; -} |