diff --git a/mlir/include/mlir/IR/BlockAndValueMapping.h b/mlir/include/mlir/IR/BlockAndValueMapping.h
--- a/mlir/include/mlir/IR/BlockAndValueMapping.h
+++ b/mlir/include/mlir/IR/BlockAndValueMapping.h
@@ -15,6 +15,7 @@
 #define MLIR_IR_BLOCKANDVALUEMAPPING_H
 
 #include "mlir/IR/Block.h"
+#include "mlir/IR/OperationSupport.h"
 
 namespace mlir {
 // This is a utility class for mapping one set of values to another. New
@@ -31,6 +32,10 @@
   void map(Value from, Value to) {
     valueMap[from.getAsOpaquePointer()] = to.getAsOpaquePointer();
   }
+  void map(ValueRange from, ValueRange to) {
+    for (auto pair : llvm::zip(from, to))
+      map(std::get<0>(pair), std::get<1>(pair));
+  }
 
   /// Erases a mapping for 'from'.
   void erase(Block *from) { valueMap.erase(from); }