diff --git a/mlir/include/mlir/IR/PatternMatch.h b/mlir/include/mlir/IR/PatternMatch.h
--- a/mlir/include/mlir/IR/PatternMatch.h
+++ b/mlir/include/mlir/IR/PatternMatch.h
@@ -355,10 +355,12 @@
 struct OpRewritePattern
     : public detail::OpOrInterfaceRewritePatternBase<SourceOp> {
   /// Patterns must specify the root operation name they match against, and can
-  /// also specify the benefit of the pattern matching.
-  OpRewritePattern(MLIRContext *context, PatternBenefit benefit = 1)
+  /// also specify the benefit of the pattern matching and a list of generated
+  /// ops.
+  OpRewritePattern(MLIRContext *context, PatternBenefit benefit = 1,
+                   ArrayRef<StringRef> generatedNames = {})
       : detail::OpOrInterfaceRewritePatternBase<SourceOp>(
-            SourceOp::getOperationName(), benefit, context) {}
+            SourceOp::getOperationName(), benefit, context, generatedNames) {}
 };
 
 /// OpInterfaceRewritePattern is a wrapper around RewritePattern that allows for
diff --git a/mlir/unittests/IR/CMakeLists.txt b/mlir/unittests/IR/CMakeLists.txt
--- a/mlir/unittests/IR/CMakeLists.txt
+++ b/mlir/unittests/IR/CMakeLists.txt
@@ -3,6 +3,7 @@
   DialectTest.cpp
   InterfaceAttachmentTest.cpp
   OperationSupportTest.cpp
+  PatternMatchTest.cpp
   ShapedTypeTest.cpp
   SubElementInterfaceTest.cpp
 
diff --git a/mlir/unittests/IR/PatternMatchTest.cpp b/mlir/unittests/IR/PatternMatchTest.cpp
new file mode 100644
--- /dev/null
+++ b/mlir/unittests/IR/PatternMatchTest.cpp
@@ -0,0 +1,30 @@
+//===- PatternMatchTest.cpp - PatternMatch unit tests ---------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "mlir/IR/PatternMatch.h"
+#include "gtest/gtest.h"
+
+#include "../../test/lib/Dialect/Test/TestDialect.h"
+
+using namespace mlir;
+
+namespace {
+struct AnOpRewritePattern : OpRewritePattern<test::OpA> {
+  AnOpRewritePattern(MLIRContext *context)
+      : OpRewritePattern(context, /*benefit=*/1,
+                         /*generatedNames=*/{test::OpB::getOperationName()}) {}
+};
+TEST(OpRewritePatternTest, GetGeneratedNames) {
+  MLIRContext context;
+  AnOpRewritePattern pattern(&context);
+  ArrayRef<OperationName> ops = pattern.getGeneratedOps();
+
+  ASSERT_EQ(ops.size(), 1u);
+  ASSERT_EQ(ops.front().getStringRef(), test::OpB::getOperationName());
+}
+} // end anonymous namespace