[analyzer] Introduce statistics for the total number of visited basic blocks

Differential Revision: https://reviews.llvm.org/D43133

llvm-svn: 324785
diff --git a/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp b/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp
index fccea9e..48b0e2d 100644
--- a/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp
+++ b/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp
@@ -57,6 +57,8 @@
                       "with inlining turned on).");
 STATISTIC(NumBlocksInAnalyzedFunctions,
                       "The # of basic blocks in the analyzed functions.");
+STATISTIC(NumVisitedBlocksInAnalyzedFunctions,
+          "The # of visited basic blocks in the analyzed functions.");
 STATISTIC(PercentReachableBlocks, "The % of reachable basic blocks.");
 STATISTIC(MaxCFGSize, "The maximum number of basic blocks in a function.");
 
@@ -565,6 +567,8 @@
 
   // Count how many basic blocks we have not covered.
   NumBlocksInAnalyzedFunctions = FunctionSummaries.getTotalNumBasicBlocks();
+  NumVisitedBlocksInAnalyzedFunctions =
+      FunctionSummaries.getTotalNumVisitedBasicBlocks();
   if (NumBlocksInAnalyzedFunctions > 0)
     PercentReachableBlocks =
       (FunctionSummaries.getTotalNumVisitedBasicBlocks() * 100) /