Index: llvm/include/llvm/Transforms/Utils/CodeExtractor.h
===================================================================
--- llvm/include/llvm/Transforms/Utils/CodeExtractor.h
+++ llvm/include/llvm/Transforms/Utils/CodeExtractor.h
@@ -139,6 +139,9 @@
     /// returns false.
     Function *extractCodeRegion(const CodeExtractorAnalysisCache &CEAC);
 
+    Function *extractCodeRegion(const CodeExtractorAnalysisCache &CEAC,
+                                ValueSet &inputs, ValueSet &outputs);
+
     /// Verify that assumption cache isn't stale after a region is extracted.
     /// Returns true when verifier finds errors. AssumptionCache is passed as
     /// parameter to make this function stateless.
Index: llvm/lib/Transforms/Utils/CodeExtractor.cpp
===================================================================
--- llvm/lib/Transforms/Utils/CodeExtractor.cpp
+++ llvm/lib/Transforms/Utils/CodeExtractor.cpp
@@ -1568,6 +1568,13 @@
 
 Function *
 CodeExtractor::extractCodeRegion(const CodeExtractorAnalysisCache &CEAC) {
+  ValueSet inputs, outputs;
+  return extractCodeRegion(CEAC, inputs, outputs);
+}
+
+Function *
+CodeExtractor::extractCodeRegion(const CodeExtractorAnalysisCache &CEAC,
+                                 ValueSet &inputs, ValueSet &outputs) {
   if (!isEligible())
     return nullptr;
 
@@ -1656,7 +1663,7 @@
   }
   newFuncRoot->getInstList().push_back(BranchI);
 
-  ValueSet inputs, outputs, SinkingCands, HoistingCands;
+  ValueSet SinkingCands, HoistingCands;
   BasicBlock *CommonExit = nullptr;
   findAllocas(CEAC, SinkingCands, HoistingCands, CommonExit);
   assert(HoistingCands.empty() || CommonExit);