diff --git a/clang/docs/LibASTMatchersReference.html b/clang/docs/LibASTMatchersReference.html
--- a/clang/docs/LibASTMatchersReference.html
+++ b/clang/docs/LibASTMatchersReference.html
@@ -6422,6 +6422,14 @@
 </pre></td></tr>
 
 
+<tr><td>Matcher&lt;<a href="https://clang.llvm.org/doxygen/classclang_1_1CUDAKernelCallExpr.html">CUDAKernelCallExpr</a>&gt;</td><td class="name" onclick="toggle('hasKernelConfig0')"><a name="hasKernelConfig0Anchor">hasKernelConfig</a></td><td>Matcher&lt;<a href="https://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>&gt; InnerMatcher</td></tr>
+<tr><td colspan="4" class="doc" id="hasKernelConfig0"><pre>Matches the kernel launch config (in &lt;&lt;&lt;&gt;&gt;&gt;) on CUDA kernel calls.
+
+Example: cudaKernelCallExpr(hasKernelConfig()) will match &lt;&lt;&lt;i,j&gt;&gt;&gt; in
+  kernel&lt;&lt;&lt;i,j&gt;&gt;&gt;();
+</pre></td></tr>
+
+
 <tr><td>Matcher&lt;<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXBaseSpecifier.html">CXXBaseSpecifier</a>&gt;</td><td class="name" onclick="toggle('hasTypeLoc1')"><a name="hasTypeLoc1Anchor">hasTypeLoc</a></td><td>Matcher&lt;<a href="https://clang.llvm.org/doxygen/classclang_1_1TypeLoc.html">TypeLoc</a>&gt; Inner</td></tr>
 <tr><td colspan="4" class="doc" id="hasTypeLoc1"><pre>Matches if the type location of a node matches the inner matcher.
 
diff --git a/clang/include/clang/ASTMatchers/ASTMatchers.h b/clang/include/clang/ASTMatchers/ASTMatchers.h
--- a/clang/include/clang/ASTMatchers/ASTMatchers.h
+++ b/clang/include/clang/ASTMatchers/ASTMatchers.h
@@ -7826,6 +7826,20 @@
 extern const internal::VariadicDynCastAllOfMatcher<Stmt, CUDAKernelCallExpr>
     cudaKernelCallExpr;
 
+/// Matches the kernel launch config (in <<<>>>) on CUDA kernel calls.
+///
+/// Example: cudaKernelCallExpr(hasKernelConfig()) will match <<<i,j>>> in
+/// \code
+///   kernel<<<i,j>>>();
+/// \endcode
+AST_MATCHER_P(CUDAKernelCallExpr, hasKernelConfig, internal::Matcher<CallExpr>,
+              InnerMatcher) {
+  if (const CallExpr *Config = Node.getConfig()) {
+    return InnerMatcher.matches(*Config, Finder, Builder);
+  }
+  return false;
+}
+
 /// Matches expressions that resolve to a null pointer constant, such as
 /// GNU's __null, C++11's nullptr, or C's NULL macro.
 ///
diff --git a/clang/lib/ASTMatchers/Dynamic/Registry.cpp b/clang/lib/ASTMatchers/Dynamic/Registry.cpp
--- a/clang/lib/ASTMatchers/Dynamic/Registry.cpp
+++ b/clang/lib/ASTMatchers/Dynamic/Registry.cpp
@@ -320,6 +320,7 @@
   REGISTER_MATCHER(hasInit);
   REGISTER_MATCHER(hasInitializer);
   REGISTER_MATCHER(hasInitStatement);
+  REGISTER_MATCHER(hasKernelConfig);
   REGISTER_MATCHER(hasKeywordSelector);
   REGISTER_MATCHER(hasLHS);
   REGISTER_MATCHER(hasLocalQualifiers);