Index: cfe/trunk/docs/LibASTMatchersReference.html
===================================================================
--- cfe/trunk/docs/LibASTMatchersReference.html
+++ cfe/trunk/docs/LibASTMatchersReference.html
@@ -3497,6 +3497,21 @@
 </pre></td></tr>
 
 
+<tr><td>Matcher&lt;<a href="https://clang.llvm.org/doxygen/classclang_1_1OMPExecutableDirective.html">OMPExecutableDirective</a>&gt;</td><td class="name" onclick="toggle('isStandaloneDirective0')"><a name="isStandaloneDirective0Anchor">isStandaloneDirective</a></td><td></td></tr>
+<tr><td colspan="4" class="doc" id="isStandaloneDirective0"><pre>Matches standalone OpenMP directives,
+i.e., directives that can't have a structured block.
+
+Given
+
+  #pragma omp parallel
+  {}
+  #pragma omp taskyield
+
+``ompExecutableDirective(isStandaloneDirective()))`` matches
+``omp taskyield``.
+</pre></td></tr>
+
+
 <tr><td>Matcher&lt;<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCMessageExpr.html">ObjCMessageExpr</a>&gt;</td><td class="name" onclick="toggle('argumentCountIs2')"><a name="argumentCountIs2Anchor">argumentCountIs</a></td><td>unsigned N</td></tr>
 <tr><td colspan="4" class="doc" id="argumentCountIs2"><pre>Checks that a call expression or a constructor call expression has
 a specific number of arguments (including absent default arguments).
@@ -3867,6 +3882,19 @@
 </pre></td></tr>
 
 
+<tr><td>Matcher&lt;<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt;</td><td class="name" onclick="toggle('isOMPStructuredBlock0')"><a name="isOMPStructuredBlock0Anchor">isOMPStructuredBlock</a></td><td></td></tr>
+<tr><td colspan="4" class="doc" id="isOMPStructuredBlock0"><pre>Matches the Stmt AST node that is marked as being the structured-block
+of an OpenMP executable directive.
+
+Given
+
+   #pragma omp parallel
+   {}
+
+``stmt(isOMPStructuredBlock()))`` matches ``{}``.
+</pre></td></tr>
+
+
 <tr><td>Matcher&lt;<a href="https://clang.llvm.org/doxygen/classclang_1_1StringLiteral.html">StringLiteral</a>&gt;</td><td class="name" onclick="toggle('hasSize1')"><a name="hasSize1Anchor">hasSize</a></td><td>unsigned N</td></tr>
 <tr><td colspan="4" class="doc" id="hasSize1"><pre>Matches nodes that have the specified size.
 
@@ -6234,6 +6262,23 @@
 </pre></td></tr>
 
 
+<tr><td>Matcher&lt;<a href="https://clang.llvm.org/doxygen/classclang_1_1OMPExecutableDirective.html">OMPExecutableDirective</a>&gt;</td><td class="name" onclick="toggle('hasStructuredBlock0')"><a name="hasStructuredBlock0Anchor">hasStructuredBlock</a></td><td>Matcher&lt;<a href="https://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>&gt; InnerMatcher</td></tr>
+<tr><td colspan="4" class="doc" id="hasStructuredBlock0"><pre>Matches the structured-block of the OpenMP executable directive
+
+Prerequisite: the executable directive must not be standalone directive.
+If it is, it will never match.
+
+Given
+
+   #pragma omp parallel
+   ;
+   #pragma omp parallel
+   {}
+
+``ompExecutableDirective(hasStructuredBlock(nullStmt()))`` will match ``;``
+</pre></td></tr>
+
+
 <tr><td>Matcher&lt;<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCMessageExpr.html">ObjCMessageExpr</a>&gt;</td><td class="name" onclick="toggle('hasAnyArgument3')"><a name="hasAnyArgument3Anchor">hasAnyArgument</a></td><td>Matcher&lt;<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>&gt; InnerMatcher</td></tr>
 <tr><td colspan="4" class="doc" id="hasAnyArgument3"><pre>Matches any argument of a call expression or a constructor call
 expression, or an ObjC-message-send expression.
Index: cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h
===================================================================
--- cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h
+++ cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h
@@ -6390,6 +6390,58 @@
 extern const internal::VariadicDynCastAllOfMatcher<Stmt, OMPExecutableDirective>
     ompExecutableDirective;
 
+/// Matches standalone OpenMP directives,
+/// i.e., directives that can't have a structured block.
+///
+/// Given
+///
+/// \code
+///   #pragma omp parallel
+///   {}
+///   #pragma omp taskyield
+/// \endcode
+///
+/// ``ompExecutableDirective(isStandaloneDirective()))`` matches
+/// ``omp taskyield``.
+AST_MATCHER(OMPExecutableDirective, isStandaloneDirective) {
+  return Node.isStandaloneDirective();
+}
+
+/// Matches the Stmt AST node that is marked as being the structured-block
+/// of an OpenMP executable directive.
+///
+/// Given
+///
+/// \code
+///    #pragma omp parallel
+///    {}
+/// \endcode
+///
+/// ``stmt(isOMPStructuredBlock()))`` matches ``{}``.
+AST_MATCHER(Stmt, isOMPStructuredBlock) { return Node.isOMPStructuredBlock(); }
+
+/// Matches the structured-block of the OpenMP executable directive
+///
+/// Prerequisite: the executable directive must not be standalone directive.
+/// If it is, it will never match.
+///
+/// Given
+///
+/// \code
+///    #pragma omp parallel
+///    ;
+///    #pragma omp parallel
+///    {}
+/// \endcode
+///
+/// ``ompExecutableDirective(hasStructuredBlock(nullStmt()))`` will match ``;``
+AST_MATCHER_P(OMPExecutableDirective, hasStructuredBlock,
+              internal::Matcher<Stmt>, InnerMatcher) {
+  if (Node.isStandaloneDirective())
+    return false; // Standalone directives have no structured blocks.
+  return InnerMatcher.matches(*Node.getStructuredBlock(), Finder, Builder);
+}
+
 /// Matches any clause in an OpenMP directive.
 ///
 /// Given
Index: cfe/trunk/lib/ASTMatchers/Dynamic/Registry.cpp
===================================================================
--- cfe/trunk/lib/ASTMatchers/Dynamic/Registry.cpp
+++ cfe/trunk/lib/ASTMatchers/Dynamic/Registry.cpp
@@ -304,6 +304,7 @@
   REGISTER_MATCHER(hasSourceExpression);
   REGISTER_MATCHER(hasSpecializedTemplate);
   REGISTER_MATCHER(hasStaticStorageDuration);
+  REGISTER_MATCHER(hasStructuredBlock);
   REGISTER_MATCHER(hasSyntacticForm);
   REGISTER_MATCHER(hasTargetDecl);
   REGISTER_MATCHER(hasTemplateArgument);
@@ -379,6 +380,7 @@
   REGISTER_MATCHER(isNoReturn);
   REGISTER_MATCHER(isNoThrow);
   REGISTER_MATCHER(isNoneKind);
+  REGISTER_MATCHER(isOMPStructuredBlock);
   REGISTER_MATCHER(isOverride);
   REGISTER_MATCHER(isPrivate);
   REGISTER_MATCHER(isProtected);
@@ -387,6 +389,7 @@
   REGISTER_MATCHER(isScoped);
   REGISTER_MATCHER(isSharedKind);
   REGISTER_MATCHER(isSignedInteger);
+  REGISTER_MATCHER(isStandaloneDirective);
   REGISTER_MATCHER(isStaticLocal);
   REGISTER_MATCHER(isStaticStorageClass);
   REGISTER_MATCHER(isStruct);
Index: cfe/trunk/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp
===================================================================
--- cfe/trunk/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp
+++ cfe/trunk/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp
@@ -2274,6 +2274,71 @@
     notMatches("int main2() {}", functionDecl(isMain())));
 }
 
+TEST(OMPExecutableDirective, isStandaloneDirective) {
+  auto Matcher = ompExecutableDirective(isStandaloneDirective());
+
+  const std::string Source0 = R"(
+void x() {
+#pragma omp parallel
+;
+})";
+  EXPECT_TRUE(notMatchesWithOpenMP(Source0, Matcher));
+
+  const std::string Source1 = R"(
+void x() {
+#pragma omp taskyield
+})";
+  EXPECT_TRUE(matchesWithOpenMP(Source1, Matcher));
+}
+
+TEST(Stmt, isOMPStructuredBlock) {
+  const std::string Source0 = R"(
+void x() {
+#pragma omp parallel
+;
+})";
+  EXPECT_TRUE(
+      matchesWithOpenMP(Source0, stmt(nullStmt(), isOMPStructuredBlock())));
+
+  const std::string Source1 = R"(
+void x() {
+#pragma omp parallel
+{;}
+})";
+  EXPECT_TRUE(
+      notMatchesWithOpenMP(Source1, stmt(nullStmt(), isOMPStructuredBlock())));
+  EXPECT_TRUE(
+      matchesWithOpenMP(Source1, stmt(compoundStmt(), isOMPStructuredBlock())));
+}
+
+TEST(OMPExecutableDirective, hasStructuredBlock) {
+  const std::string Source0 = R"(
+void x() {
+#pragma omp parallel
+;
+})";
+  EXPECT_TRUE(matchesWithOpenMP(
+      Source0, ompExecutableDirective(hasStructuredBlock(nullStmt()))));
+
+  const std::string Source1 = R"(
+void x() {
+#pragma omp parallel
+{;}
+})";
+  EXPECT_TRUE(notMatchesWithOpenMP(
+      Source1, ompExecutableDirective(hasStructuredBlock(nullStmt()))));
+  EXPECT_TRUE(matchesWithOpenMP(
+      Source1, ompExecutableDirective(hasStructuredBlock(compoundStmt()))));
+
+  const std::string Source2 = R"(
+void x() {
+#pragma omp taskyield
+{;}
+})";
+  EXPECT_TRUE(notMatchesWithOpenMP(
+      Source2, ompExecutableDirective(hasStructuredBlock(anything()))));
+}
+
 TEST(OMPExecutableDirective, hasClause) {
   auto Matcher = ompExecutableDirective(hasAnyClause(anything()));