Index: include/clang/StaticAnalyzer/Core/BugReporter/BugReporterVisitors.h
===================================================================
--- include/clang/StaticAnalyzer/Core/BugReporter/BugReporterVisitors.h
+++ include/clang/StaticAnalyzer/Core/BugReporter/BugReporterVisitors.h
@@ -213,6 +213,18 @@
                          const bool tookTrue, BugReporterContext &BRC,
                          BugReport &R, const ExplodedNode *N);
 
+  /// Tries to print the value of the given expression.
+  ///
+  /// \param CondVarExpr The expression to print its value.
+  /// \param TookTrue Whether we took the \c true branch of the condition.
+  /// \param Out The stream to print.
+  /// \param N The node where we encountered the condition.
+  ///
+  /// \return Whether the print was successful. (The printing is successful if
+  //          we model the value and we could obtain it.)
+  bool printValue(const Expr *CondVarExpr, const bool TookTrue,
+                  raw_ostream &Out, const ExplodedNode *N);
+
   bool patternMatch(const Expr *Ex,
                     const Expr *ParentEx,
                     raw_ostream &Out,
Index: lib/StaticAnalyzer/Core/BugReporterVisitors.cpp
===================================================================
--- lib/StaticAnalyzer/Core/BugReporterVisitors.cpp
+++ lib/StaticAnalyzer/Core/BugReporterVisitors.cpp
@@ -2150,18 +2150,7 @@
   SmallString<256> buf;
   llvm::raw_svector_ostream Out(buf);
   Out << "Assuming " << LhsString << " is ";
-
-  QualType Ty = CondVarExpr->getType();
-
-  if (Ty->isPointerType())
-    Out << (tookTrue ? "not null" : "null");
-  else if (Ty->isObjCObjectPointerType())
-    Out << (tookTrue ? "not nil" : "nil");
-  else if (Ty->isBooleanType())
-    Out << (tookTrue ? "true" : "false");
-  else if (Ty->isIntegralOrEnumerationType())
-    Out << (tookTrue ? "non-zero" : "zero");
-  else
+  if (!printValue(CondVarExpr, tookTrue, Out, N))
     return nullptr;
 
   const LocationContext *LCtx = N->getLocationContext();
@@ -2193,23 +2182,7 @@
   llvm::raw_svector_ostream Out(Buf);
 
   Out << (IsAssuming ? "Assuming '" : "'") << VD->getDeclName() << "' is ";
-
-  QualType Ty = VD->getType();
-
-  if (Ty->isPointerType())
-    Out << (tookTrue ? "non-null" : "null");
-  else if (Ty->isObjCObjectPointerType())
-    Out << (tookTrue ? "non-nil" : "nil");
-  else if (Ty->isScalarType()) {
-    Optional<const llvm::APSInt *> IntValue;
-    if (!IsAssuming)
-      IntValue = getConcreteIntegerValue(DRE, N);
-
-    if (IsAssuming || !IntValue.hasValue())
-      Out << (tookTrue ? "not equal to 0" : "0");
-    else
-      Out << *IntValue.getValue();
-  } else
+  if (!printValue(DRE, tookTrue, Out, N))
     return nullptr;
 
   const LocationContext *LCtx = N->getLocationContext();
@@ -2229,6 +2202,36 @@
   return std::move(event);
 }
 
+bool ConditionBRVisitor::printValue(const Expr *CondVarExpr,
+                                    const bool TookTrue, raw_ostream &Out,
+                                    const ExplodedNode *N) {
+  QualType Ty = CondVarExpr->getType();
+
+  if (Ty->isPointerType()) {
+    Out << (TookTrue ? "non-null" : "null");
+    return true;
+  }
+
+  if (Ty->isObjCObjectPointerType()) {
+    Out << (TookTrue ? "non-nil" : "nil");
+    return true;
+  }
+
+  if (!Ty->isIntegralOrEnumerationType())
+    return false;
+
+  Optional<const llvm::APSInt *> IntValue;
+  if (!IsAssuming)
+    IntValue = getConcreteIntegerValue(CondVarExpr, N);
+
+  if (IsAssuming || !IntValue.hasValue())
+    Out << (TookTrue ? "not equal to 0" : "0");
+  else
+    Out << *IntValue.getValue();
+
+  return true;
+}
+
 const char *const ConditionBRVisitor::TrueMessage = "The condition is true";
 const char *const ConditionBRVisitor::FalseMessage = "The condition is false";
 const char *const ConditionBRVisitor::AssumingTrueMessage =