Index: clang/include/clang/ASTMatchers/ASTMatchers.h
===================================================================
--- clang/include/clang/ASTMatchers/ASTMatchers.h
+++ clang/include/clang/ASTMatchers/ASTMatchers.h
@@ -2172,6 +2172,17 @@
 extern const internal::VariadicDynCastAllOfMatcher<Stmt, ContinueStmt>
     continueStmt;
 
+/// Matches co_return statements.
+///
+/// Given
+/// \code
+///   while (true) { co_return; }
+/// \endcode
+/// coreturnStmt()
+///   matches 'co_return'
+extern const internal::VariadicDynCastAllOfMatcher<Stmt, CoreturnStmt>
+    coreturnStmt;
+
 /// Matches return statements.
 ///
 /// Given
@@ -2389,6 +2400,27 @@
 extern const internal::VariadicDynCastAllOfMatcher<Stmt, CompoundLiteralExpr>
     compoundLiteralExpr;
 
+/// Matches co_await expression
+///
+/// Example match: co_await 1
+/// \code
+///   co_await 1;
+/// \endcode
+extern const internal::VariadicDynCastAllOfMatcher<Stmt, CoawaitExpr>
+    coawaitExpr;
+/// Matches dependent co_await expression while the type of the promise
+/// is dependent
+extern const internal::VariadicDynCastAllOfMatcher<Stmt, DependentCoawaitExpr>
+    dependendCoawaitExpr;
+/// Matches co_yield expression
+///
+/// Example match: co_yield 1
+/// \code
+///   co_yield 1;
+/// \endcode
+extern const internal::VariadicDynCastAllOfMatcher<Stmt, CoyieldExpr>
+    coyieldExpr;
+
 /// Matches nullptr literal.
 extern const internal::VariadicDynCastAllOfMatcher<Stmt, CXXNullPtrLiteralExpr>
     cxxNullPtrLiteralExpr;
Index: clang/lib/ASTMatchers/ASTMatchersInternal.cpp
===================================================================
--- clang/lib/ASTMatchers/ASTMatchersInternal.cpp
+++ clang/lib/ASTMatchers/ASTMatchersInternal.cpp
@@ -883,6 +883,7 @@
 const internal::VariadicDynCastAllOfMatcher<Stmt, DoStmt> doStmt;
 const internal::VariadicDynCastAllOfMatcher<Stmt, BreakStmt> breakStmt;
 const internal::VariadicDynCastAllOfMatcher<Stmt, ContinueStmt> continueStmt;
+const internal::VariadicDynCastAllOfMatcher<Stmt, CoreturnStmt> coreturnStmt;
 const internal::VariadicDynCastAllOfMatcher<Stmt, ReturnStmt> returnStmt;
 const internal::VariadicDynCastAllOfMatcher<Stmt, GotoStmt> gotoStmt;
 const internal::VariadicDynCastAllOfMatcher<Stmt, LabelStmt> labelStmt;
@@ -915,6 +916,12 @@
 const internal::VariadicDynCastAllOfMatcher<Stmt, CXXNullPtrLiteralExpr>
     cxxNullPtrLiteralExpr;
 const internal::VariadicDynCastAllOfMatcher<Stmt, ChooseExpr> chooseExpr;
+const internal::VariadicDynCastAllOfMatcher<Stmt, CoawaitExpr>
+    coawaitExpr;
+const internal::VariadicDynCastAllOfMatcher<Stmt, DependentCoawaitExpr>
+    dependendCoawaitExpr;
+const internal::VariadicDynCastAllOfMatcher<Stmt, CoyieldExpr>
+    coyieldExpr;
 const internal::VariadicDynCastAllOfMatcher<Stmt, GNUNullExpr> gnuNullExpr;
 const internal::VariadicDynCastAllOfMatcher<Stmt, GenericSelectionExpr>
     genericSelectionExpr;
Index: clang/lib/ASTMatchers/Dynamic/Registry.cpp
===================================================================
--- clang/lib/ASTMatchers/Dynamic/Registry.cpp
+++ clang/lib/ASTMatchers/Dynamic/Registry.cpp
@@ -171,6 +171,7 @@
   REGISTER_MATCHER(constantExpr);
   REGISTER_MATCHER(containsDeclaration);
   REGISTER_MATCHER(continueStmt);
+  REGISTER_MATCHER(coreturnStmt);
   REGISTER_MATCHER(cudaKernelCallExpr);
   REGISTER_MATCHER(cxxBindTemporaryExpr);
   REGISTER_MATCHER(cxxBoolLiteral);
@@ -191,6 +192,9 @@
   REGISTER_MATCHER(cxxMemberCallExpr);
   REGISTER_MATCHER(cxxMethodDecl);
   REGISTER_MATCHER(cxxNewExpr);
+  REGISTER_MATCHER(coawaitExpr);
+  REGISTER_MATCHER(dependendCoawaitExpr);
+  REGISTER_MATCHER(coyieldExpr);
   REGISTER_MATCHER(cxxNoexceptExpr);
   REGISTER_MATCHER(cxxNullPtrLiteralExpr);
   REGISTER_MATCHER(cxxOperatorCallExpr);
Index: clang/unittests/ASTMatchers/ASTMatchersTraversalTest.cpp
===================================================================
--- clang/unittests/ASTMatchers/ASTMatchersTraversalTest.cpp
+++ clang/unittests/ASTMatchers/ASTMatchersTraversalTest.cpp
@@ -510,6 +510,68 @@
                                   varDecl(hasName("lPtrDecay"))))))));
 }
 
+TEST(Matcher, MatchesCoroutine) {
+  StringRef Code = R"cpp(
+namespace std {
+namespace experimental {
+
+template <class... Args>
+struct void_t_imp {
+  using type = void;
+};
+template <class... Args>
+using void_t = typename void_t_imp<Args...>::type;
+
+template <class T, class = void>
+struct traits_sfinae_base {};
+
+template <class T>
+struct traits_sfinae_base<T, void_t<typename T::promise_type>> {
+  using promise_type = typename T::promise_type;
+};
+
+template <class Ret, class... Args>
+struct coroutine_traits : public traits_sfinae_base<Ret> {};
+}}  // namespace std::experimental
+struct awaitable {
+  bool await_ready() noexcept;
+  template <typename F>
+  void await_suspend(F) noexcept;
+  void await_resume() noexcept;
+} a;
+struct promise {
+  void get_return_object();
+  awaitable initial_suspend();
+  awaitable final_suspend() noexcept;
+  awaitable yield_value(int); // expected-note 2{{candidate}}
+  void return_value(int); // expected-note 2{{here}}
+  void unhandled_exception();
+};
+template <typename... T>
+struct std::experimental::coroutine_traits<void, T...> { using promise_type = promise; };
+namespace std {
+namespace experimental {
+template <class PromiseType = void>
+struct coroutine_handle {
+  static coroutine_handle from_address(void *) noexcept;
+};
+}} // namespace std::experimental
+void check_match_co_await() {
+  co_await a;
+}
+void check_match_co_yield() {
+  co_yield 1.0;
+}
+void check_match_co_return() {
+  co_return 1;
+}
+)cpp";
+
+  EXPECT_TRUE(matches(Code, coawaitExpr(), Lang_CXX20));
+  EXPECT_TRUE(matches(Code, coyieldExpr(), Lang_CXX20));
+  EXPECT_TRUE(matches(Code, coreturnStmt(), Lang_CXX20));
+}
+
 TEST(Matcher, isClassMessage) {
   EXPECT_TRUE(matchesObjC(
       "@interface NSString +(NSString *) stringWithFormat; @end "