diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp
index fbfb0308e34131e2aaec9698280d03b5851e6fb4..3e2b7354a807fbd4b800cc227a291957381b1232 100644
--- a/llvm/lib/Analysis/ScalarEvolution.cpp
+++ b/llvm/lib/Analysis/ScalarEvolution.cpp
@@ -1538,6 +1538,12 @@ SCEVHandle ScalarEvolution::getCouldNotCompute() {
   return UnknownValue;
 }
 
+// hasSCEV - Return true if the SCEV for this value has already been
+/// computed.
+bool ScalarEvolution::hasSCEV(Value *V) const {
+  return Scalars.count(V);
+}
+
 /// getSCEV - Return an existing SCEV if it exists, otherwise analyze the
 /// expression and create a new one.
 SCEVHandle ScalarEvolution::getSCEV(Value *V) {