Index: docs/LibASTMatchersReference.html
===================================================================
--- docs/LibASTMatchersReference.html
+++ docs/LibASTMatchersReference.html
@@ -346,6 +346,15 @@
 </pre></td></tr>
 
 
+<tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('objcImplementationDecl0')"><a name="objcImplementationDecl0Anchor">objcImplementationDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ObjCImplementationDecl.html">ObjCImplementationDecl</a>&gt;...</td></tr>
+<tr><td colspan="4" class="doc" id="objcImplementationDecl0"><pre>Matches Objective-C implementation declarations.
+
+Example matches Foo
+  @implementation Foo
+  @end
+</pre></td></tr>
+
+
 <tr><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>&gt;</td><td class="name" onclick="toggle('objcInterfaceDecl0')"><a name="objcInterfaceDecl0Anchor">objcInterfaceDecl</a></td><td>Matcher&lt;<a href="http://clang.llvm.org/doxygen/classclang_1_1ObjCInterfaceDecl.html">ObjCInterfaceDecl</a>&gt;...</td></tr>
 <tr><td colspan="4" class="doc" id="objcInterfaceDecl0"><pre>Matches Objective-C interface declarations.
 
Index: include/clang/ASTMatchers/ASTMatchers.h
===================================================================
--- include/clang/ASTMatchers/ASTMatchers.h
+++ include/clang/ASTMatchers/ASTMatchers.h
@@ -1145,6 +1145,17 @@
   Decl,
   ObjCInterfaceDecl> objcInterfaceDecl;
 
+/// \brief Matches Objective-C implementation declarations.
+///
+/// Example matches Foo
+/// \code
+///   @implementation Foo
+///   @end
+/// \endcode
+const internal::VariadicDynCastAllOfMatcher<
+  Decl,
+  ObjCImplementationDecl> objcImplementationDecl;
+
 /// \brief Matches Objective-C protocol declarations.
 ///
 /// Example matches FooDelegate
Index: lib/ASTMatchers/Dynamic/Registry.cpp
===================================================================
--- lib/ASTMatchers/Dynamic/Registry.cpp
+++ lib/ASTMatchers/Dynamic/Registry.cpp
@@ -374,6 +374,7 @@
   REGISTER_MATCHER(numSelectorArgs);
   REGISTER_MATCHER(ofClass);
   REGISTER_MATCHER(objcCategoryDecl);
+  REGISTER_MATCHER(objcImplementationDecl);
   REGISTER_MATCHER(objcInterfaceDecl);
   REGISTER_MATCHER(objcIvarDecl);
   REGISTER_MATCHER(objcMessageExpr);
Index: unittests/ASTMatchers/ASTMatchersNodeTest.cpp
===================================================================
--- unittests/ASTMatchers/ASTMatchersNodeTest.cpp
+++ unittests/ASTMatchers/ASTMatchersNodeTest.cpp
@@ -1610,6 +1610,9 @@
   EXPECT_TRUE(matchesObjC(
     ObjCString,
     objcProtocolDecl(hasName("Proto"))));
+  EXPECT_TRUE(matchesObjC(
+    ObjCString,
+    objcImplementationDecl(hasName("Thing"))));
   EXPECT_TRUE(matchesObjC(
     ObjCString,
     objcCategoryDecl(hasName("ABC"))));