hasSCEV() was declared in ScalarEvolution.h, but never defined. This must have
gone lost during the pImpl conversion.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70536 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp
index fbfb030..3e2b735 100644
--- a/lib/Analysis/ScalarEvolution.cpp
+++ b/lib/Analysis/ScalarEvolution.cpp
@@ -1538,6 +1538,12 @@
   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) {