diff options
Diffstat (limited to 'clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp')
-rw-r--r-- | clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp | 40 |
1 files changed, 36 insertions, 4 deletions
diff --git a/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp b/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp index cf01e2f..f6a3e79 100644 --- a/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp +++ b/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp @@ -39,6 +39,7 @@ #include "llvm/Support/TimeProfiler.h" #include "llvm/Support/Timer.h" #include "llvm/Support/raw_ostream.h" +#include <cmath> #include <memory> #include <utility> @@ -61,7 +62,9 @@ ALWAYS_ENABLED_STATISTIC( "The # of visited basic blocks in the analyzed functions."); ALWAYS_ENABLED_STATISTIC(PercentReachableBlocks, "The % of reachable basic blocks."); -STAT_MAX(MaxCFGSize, "The maximum number of basic blocks in a function."); +ALWAYS_ENABLED_STATISTIC(MaxCFGSize, + "The maximum number of basic blocks in a function."); +static UnsignedEPStat CFGSize("CFGSize"); //===----------------------------------------------------------------------===// // AnalysisConsumer declaration. //===----------------------------------------------------------------------===// @@ -125,6 +128,7 @@ public: std::unique_ptr<llvm::Timer> SyntaxCheckTimer; std::unique_ptr<llvm::Timer> ExprEngineTimer; std::unique_ptr<llvm::Timer> BugReporterTimer; + bool ShouldClearTimersToPreventDisplayingThem; /// The information about analyzed functions shared throughout the /// translation unit. @@ -138,11 +142,12 @@ public: Injector(std::move(injector)), CTU(CI), MacroExpansions(CI.getLangOpts()) { - EntryPointStat::lockRegistry(getMainFileName(CI.getInvocation())); + EntryPointStat::lockRegistry(getMainFileName(CI.getInvocation()), + CI.getASTContext()); DigestAnalyzerOptions(); if (Opts.AnalyzerDisplayProgress || Opts.PrintStats || - Opts.ShouldSerializeStats) { + Opts.ShouldSerializeStats || !Opts.DumpEntryPointStatsToCSV.empty()) { AnalyzerTimers = std::make_unique<llvm::TimerGroup>( "analyzer", "Analyzer timers"); SyntaxCheckTimer = std::make_unique<llvm::Timer>( @@ -154,6 +159,12 @@ public: *AnalyzerTimers); } + // Avoid displaying the timers created above in case we only want to record + // per-entry-point stats. + ShouldClearTimersToPreventDisplayingThem = !Opts.AnalyzerDisplayProgress && + !Opts.PrintStats && + !Opts.ShouldSerializeStats; + if (Opts.PrintStats || Opts.ShouldSerializeStats) { llvm::EnableStatistics(/* DoPrintOnExit= */ false); } @@ -276,6 +287,9 @@ public: checkerMgr->runCheckersOnASTDecl(D, *Mgr, *RecVisitorBR); if (SyntaxCheckTimer) SyntaxCheckTimer->stopTimer(); + if (AnalyzerTimers && ShouldClearTimersToPreventDisplayingThem) { + AnalyzerTimers->clear(); + } } return true; } @@ -569,6 +583,9 @@ void AnalysisConsumer::runAnalysisOnTranslationUnit(ASTContext &C) { checkerMgr->runCheckersOnASTDecl(TU, *Mgr, BR); if (SyntaxCheckTimer) SyntaxCheckTimer->stopTimer(); + if (AnalyzerTimers && ShouldClearTimersToPreventDisplayingThem) { + AnalyzerTimers->clear(); + } // Run the AST-only checks using the order in which functions are defined. // If inlining is not turned on, use the simplest function order for path @@ -745,6 +762,9 @@ void AnalysisConsumer::HandleCode(Decl *D, AnalysisMode Mode, llvm::TimeRecord CheckerEndTime = SyntaxCheckTimer->getTotalTime(); CheckerEndTime -= CheckerStartTime; DisplayTime(CheckerEndTime); + if (AnalyzerTimers && ShouldClearTimersToPreventDisplayingThem) { + AnalyzerTimers->clear(); + } } } @@ -765,15 +785,19 @@ void AnalysisConsumer::HandleCode(Decl *D, AnalysisMode Mode, void AnalysisConsumer::RunPathSensitiveChecks(Decl *D, ExprEngine::InliningModes IMode, SetOfConstDecls *VisitedCallees) { + auto *CFG = Mgr->getCFG(D); + // Construct the analysis engine. First check if the CFG is valid. // FIXME: Inter-procedural analysis will need to handle invalid CFGs. - if (!Mgr->getCFG(D)) + if (!CFG) return; // See if the LiveVariables analysis scales. if (!Mgr->getAnalysisDeclContext(D)->getAnalysis<RelaxedLiveVariables>()) return; + CFGSize.set(CFG->size()); + ExprEngine Eng(CTU, *Mgr, VisitedCallees, &FunctionSummaries, IMode); // Execute the worklist algorithm. @@ -788,7 +812,12 @@ void AnalysisConsumer::RunPathSensitiveChecks(Decl *D, ExprEngineTimer->stopTimer(); llvm::TimeRecord ExprEngineEndTime = ExprEngineTimer->getTotalTime(); ExprEngineEndTime -= ExprEngineStartTime; + PathRunningTime.set(static_cast<unsigned>( + std::lround(ExprEngineEndTime.getWallTime() * 1000))); DisplayTime(ExprEngineEndTime); + if (AnalyzerTimers && ShouldClearTimersToPreventDisplayingThem) { + AnalyzerTimers->clear(); + } } if (!Mgr->options.DumpExplodedGraphTo.empty()) @@ -799,6 +828,9 @@ void AnalysisConsumer::RunPathSensitiveChecks(Decl *D, Eng.ViewGraph(Mgr->options.TrimGraph); flushReports(BugReporterTimer.get(), Eng.getBugReporter()); + if (AnalyzerTimers && ShouldClearTimersToPreventDisplayingThem) { + AnalyzerTimers->clear(); + } } //===----------------------------------------------------------------------===// |