Merge PartialInliner changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73412 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/IPO/PartialInlining.cpp b/lib/Transforms/IPO/PartialInlining.cpp
index b3a2554..0b975ae 100644
--- a/lib/Transforms/IPO/PartialInlining.cpp
+++ b/lib/Transforms/IPO/PartialInlining.cpp
@@ -20,10 +20,13 @@
 #include "llvm/Analysis/Dominators.h"
 #include "llvm/Transforms/Utils/Cloning.h"
 #include "llvm/Transforms/Utils/FunctionUtils.h"
+#include "llvm/ADT/Statistic.h"
 #include "llvm/Support/Compiler.h"
 #include "llvm/Support/CFG.h"
 using namespace llvm;
 
+STATISTIC(NumPartialInlined, "Number of functions partially inlined");
+
 namespace {
   struct VISIBILITY_HIDDEN PartialInliner : public ModulePass {
     virtual void getAnalysisUsage(AnalysisUsage &AU) const { }
@@ -132,6 +135,8 @@
   duplicateFunction->replaceAllUsesWith(F);
   duplicateFunction->eraseFromParent();
   
+  ++NumPartialInlined;
+  
   return extractedFunction;
 }