[analyzer] Add -analyzer-stats, which hooks up LLVM stats tracking.

As in http://llvm.org/docs/ProgrammersManual.html#Statistic

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151570 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 3 insertions, 0 deletions

diff --git a/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp b/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp
index 93c879ee96..074ad23ce4 100644
--- a/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp
+++ b/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp
@@ -35,6 +35,7 @@
 #include "llvm/Support/Path.h"
 #include "llvm/Support/Program.h"
 #include "llvm/ADT/OwningPtr.h"
+#include "llvm/ADT/Statistic.h"
 
 using namespace clang;
 using namespace ento;
@@ -157,6 +158,8 @@ public:
                                   Opts.UnoptimizedCFG, Opts.CFGAddImplicitDtors,
                                   Opts.CFGAddInitializers,
                                   Opts.EagerlyTrimEGraph));
+    if (Opts.PrintStats)
+      llvm::EnableStatistics();
   }
 
   virtual void HandleTranslationUnit(ASTContext &C);