diff --git a/clang/include/clang/Analysis/FlowSensitive/DataflowEnvironment.h b/clang/include/clang/Analysis/FlowSensitive/DataflowEnvironment.h
--- a/clang/include/clang/Analysis/FlowSensitive/DataflowEnvironment.h
+++ b/clang/include/clang/Analysis/FlowSensitive/DataflowEnvironment.h
@@ -308,6 +308,16 @@
   /// Returns the token that identifies the flow condition of the environment.
   AtomicBoolValue &getFlowConditionToken() const { return *FlowConditionToken; }
 
+  /// Builds and returns the logical formula defining the flow condition
+  /// identified by `Token`. If a value in the formula is present as a key in
+  /// `Substitutions`, it will be substituted with the value it maps to.
+  BoolValue &buildAndSubstituteFlowCondition(
+      AtomicBoolValue &Token,
+      llvm::DenseMap<AtomicBoolValue *, BoolValue *> Substitutions) {
+    return DACtx->buildAndSubstituteFlowCondition(Token,
+                                                  std::move(Substitutions));
+  }
+
   /// Adds `Val` to the set of clauses that constitute the flow condition.
   void addToFlowCondition(BoolValue &Val);