[analyzer] Add a statistic for maximum CFG size and a script to summarize analyzer stats from scan-build output.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159776 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp b/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp
index 520a975..72e5639 100644
--- a/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp
+++ b/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp
@@ -58,6 +58,7 @@
STATISTIC(NumBlocksInAnalyzedFunctions,
"The # of basic blocks in the analyzed functions.");
STATISTIC(PercentReachableBlocks, "The % of reachable basic blocks.");
+STATISTIC(MaxCFGSize, "The maximum number of basic blocks in a function.");
//===----------------------------------------------------------------------===//
// Special PathDiagnosticConsumers.
@@ -488,6 +489,12 @@
return;
DisplayFunction(D, Mode);
+ CFG *DeclCFG = Mgr->getCFG(D);
+ if (DeclCFG) {
+ unsigned CFGSize = DeclCFG->size();
+ MaxCFGSize = MaxCFGSize < CFGSize ? CFGSize : MaxCFGSize;
+ }
+
// Clear the AnalysisManager of old AnalysisDeclContexts.
Mgr->ClearContexts();