1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Analysis/CGSCCPassManager.cpp b/llvm/lib/Analysis/CGSCCPassManager.cpp
index 948bc24..ab3a721 100644
--- a/llvm/lib/Analysis/CGSCCPassManager.cpp
+++ b/llvm/lib/Analysis/CGSCCPassManager.cpp
@@ -13,6 +13,7 @@
 #include "llvm/ADT/SetVector.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/Statistic.h"
 #include "llvm/ADT/iterator_range.h"
 #include "llvm/Analysis/LazyCallGraph.h"
 #include "llvm/IR/Constant.h"
@@ -33,6 +34,8 @@
 
 using namespace llvm;
 
+STATISTIC(LargestCGSCC, "Number of functions in the largest SCC");
+
 // Explicit template instantiations and specialization definitions for core
 // template typedefs.
 namespace llvm {
@@ -82,6 +85,8 @@ PassManager<LazyCallGraph::SCC, CGSCCAnalysisManager, LazyCallGraph &,
     if (!PI.runBeforePass(*Pass, *C))
       continue;
 
+    LargestCGSCC.updateMax(C->size());
+
     PreservedAnalyses PassPA = Pass->run(*C, AM, G, UR);
 
     // Update the SCC if necessary.