r211685 - [OPENMP] Initial support for 'sections' directive.

Alexey Bataev a.bataev at hotmail.com
Wed Jun 25 04:44:50 PDT 2014


Author: abataev
Date: Wed Jun 25 06:44:49 2014
New Revision: 211685

URL: http://llvm.org/viewvc/llvm-project?rev=211685&view=rev
Log:
[OPENMP] Initial support for 'sections' directive.

Added:
    cfe/trunk/test/OpenMP/sections_ast_print.cpp   (with props)
    cfe/trunk/test/OpenMP/sections_firstprivate_messages.cpp   (with props)
    cfe/trunk/test/OpenMP/sections_lastprivate_messages.cpp   (with props)
    cfe/trunk/test/OpenMP/sections_misc_messages.c   (with props)
    cfe/trunk/test/OpenMP/sections_private_messages.cpp   (with props)
    cfe/trunk/test/OpenMP/sections_reduction_messages.cpp   (with props)
Modified:
    cfe/trunk/include/clang-c/Index.h
    cfe/trunk/include/clang/AST/DataRecursiveASTVisitor.h
    cfe/trunk/include/clang/AST/RecursiveASTVisitor.h
    cfe/trunk/include/clang/AST/StmtOpenMP.h
    cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td
    cfe/trunk/include/clang/Basic/OpenMPKinds.def
    cfe/trunk/include/clang/Basic/StmtNodes.td
    cfe/trunk/include/clang/Sema/Sema.h
    cfe/trunk/include/clang/Serialization/ASTBitCodes.h
    cfe/trunk/lib/AST/Stmt.cpp
    cfe/trunk/lib/AST/StmtPrinter.cpp
    cfe/trunk/lib/AST/StmtProfile.cpp
    cfe/trunk/lib/Basic/OpenMPKinds.cpp
    cfe/trunk/lib/CodeGen/CGStmt.cpp
    cfe/trunk/lib/CodeGen/CGStmtOpenMP.cpp
    cfe/trunk/lib/CodeGen/CodeGenFunction.h
    cfe/trunk/lib/Parse/ParseOpenMP.cpp
    cfe/trunk/lib/Sema/SemaOpenMP.cpp
    cfe/trunk/lib/Sema/TreeTransform.h
    cfe/trunk/lib/Serialization/ASTReaderStmt.cpp
    cfe/trunk/lib/Serialization/ASTWriterStmt.cpp
    cfe/trunk/lib/StaticAnalyzer/Core/ExprEngine.cpp
    cfe/trunk/test/OpenMP/nesting_of_regions.cpp
    cfe/trunk/tools/libclang/CIndex.cpp
    cfe/trunk/tools/libclang/CXCursor.cpp

Modified: cfe/trunk/include/clang-c/Index.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang-c/Index.h?rev=211685&r1=211684&r2=211685&view=diff
==============================================================================
--- cfe/trunk/include/clang-c/Index.h (original)
+++ cfe/trunk/include/clang-c/Index.h Wed Jun 25 06:44:49 2014
@@ -2143,7 +2143,11 @@ enum CXCursorKind {
    */
   CXCursor_OMPForDirective               = 234,
 
-  CXCursor_LastStmt                      = CXCursor_OMPForDirective,
+  /** \brief OpenMP sections directive.
+   */
+  CXCursor_OMPSectionsDirective          = 235,
+
+  CXCursor_LastStmt                      = CXCursor_OMPSectionsDirective,
 
   /**
    * \brief Cursor that represents the translation unit itself.

Modified: cfe/trunk/include/clang/AST/DataRecursiveASTVisitor.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/AST/DataRecursiveASTVisitor.h?rev=211685&r1=211684&r2=211685&view=diff
==============================================================================
--- cfe/trunk/include/clang/AST/DataRecursiveASTVisitor.h (original)
+++ cfe/trunk/include/clang/AST/DataRecursiveASTVisitor.h Wed Jun 25 06:44:49 2014
@@ -2290,6 +2290,11 @@ DEF_TRAVERSE_STMT(OMPForDirective, {
     return false;
 })
 
+DEF_TRAVERSE_STMT(OMPSectionsDirective, {
+  if (!TraverseOMPExecutableDirective(S))
+    return false;
+})
+
 // OpenMP clauses.
 template <typename Derived>
 bool RecursiveASTVisitor<Derived>::TraverseOMPClause(OMPClause *C) {

Modified: cfe/trunk/include/clang/AST/RecursiveASTVisitor.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/AST/RecursiveASTVisitor.h?rev=211685&r1=211684&r2=211685&view=diff
==============================================================================
--- cfe/trunk/include/clang/AST/RecursiveASTVisitor.h (original)
+++ cfe/trunk/include/clang/AST/RecursiveASTVisitor.h Wed Jun 25 06:44:49 2014
@@ -2312,6 +2312,11 @@ DEF_TRAVERSE_STMT(OMPForDirective, {
     return false;
 })
 
+DEF_TRAVERSE_STMT(OMPSectionsDirective, {
+  if (!TraverseOMPExecutableDirective(S))
+    return false;
+})
+
 // OpenMP clauses.
 template <typename Derived>
 bool RecursiveASTVisitor<Derived>::TraverseOMPClause(OMPClause *C) {

Modified: cfe/trunk/include/clang/AST/StmtOpenMP.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/AST/StmtOpenMP.h?rev=211685&r1=211684&r2=211685&view=diff
==============================================================================
--- cfe/trunk/include/clang/AST/StmtOpenMP.h (original)
+++ cfe/trunk/include/clang/AST/StmtOpenMP.h Wed Jun 25 06:44:49 2014
@@ -365,6 +365,64 @@ public:
   }
 };
 
+/// \brief This represents '#pragma omp sections' directive.
+///
+/// \code
+/// #pragma omp sections private(a,b) reduction(+:c,d)
+/// \endcode
+/// In this example directive '#pragma omp sections' has clauses 'private' with
+/// the variables 'a' and 'b' and 'reduction' with operator '+' and variables
+/// 'c' and 'd'.
+///
+class OMPSectionsDirective : public OMPExecutableDirective {
+  friend class ASTStmtReader;
+  /// \brief Build directive with the given start and end location.
+  ///
+  /// \param StartLoc Starting location of the directive kind.
+  /// \param EndLoc Ending location of the directive.
+  /// \param NumClauses Number of clauses.
+  ///
+  OMPSectionsDirective(SourceLocation StartLoc, SourceLocation EndLoc,
+                       unsigned NumClauses)
+      : OMPExecutableDirective(this, OMPSectionsDirectiveClass, OMPD_sections,
+                               StartLoc, EndLoc, NumClauses, 1) {}
+
+  /// \brief Build an empty directive.
+  ///
+  /// \param NumClauses Number of clauses.
+  ///
+  explicit OMPSectionsDirective(unsigned NumClauses)
+      : OMPExecutableDirective(this, OMPSectionsDirectiveClass, OMPD_sections,
+                               SourceLocation(), SourceLocation(), NumClauses,
+                               1) {}
+
+public:
+  /// \brief Creates directive with a list of \a Clauses.
+  ///
+  /// \param C AST context.
+  /// \param StartLoc Starting location of the directive kind.
+  /// \param EndLoc Ending Location of the directive.
+  /// \param Clauses List of clauses.
+  /// \param AssociatedStmt Statement, associated with the directive.
+  ///
+  static OMPSectionsDirective *
+  Create(const ASTContext &C, SourceLocation StartLoc, SourceLocation EndLoc,
+         ArrayRef<OMPClause *> Clauses, Stmt *AssociatedStmt);
+
+  /// \brief Creates an empty directive with the place for \a NumClauses
+  /// clauses.
+  ///
+  /// \param C AST context.
+  /// \param NumClauses Number of clauses.
+  ///
+  static OMPSectionsDirective *CreateEmpty(const ASTContext &C,
+                                           unsigned NumClauses, EmptyShell);
+
+  static bool classof(const Stmt *T) {
+    return T->getStmtClass() == OMPSectionsDirectiveClass;
+  }
+};
+
 } // end namespace clang
 
 #endif

Modified: cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td?rev=211685&r1=211684&r2=211685&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td (original)
+++ cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td Wed Jun 25 06:44:49 2014
@@ -7104,6 +7104,8 @@ def err_omp_prohibited_region : Error<
   "%select{|; perhaps you forget to enclose 'omp %3' directive into a parallel region?}2">;
 def err_omp_prohibited_region_simd : Error<
   "OpenMP constructs may not be nested inside a simd region">;
+def err_omp_sections_not_compound_stmt : Error<
+  "the statement for '#pragma omp sections' must be a compound statement">;
 } // end of OpenMP category
 
 let CategoryName = "Related Result Type Issue" in {

Modified: cfe/trunk/include/clang/Basic/OpenMPKinds.def
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/OpenMPKinds.def?rev=211685&r1=211684&r2=211685&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/OpenMPKinds.def (original)
+++ cfe/trunk/include/clang/Basic/OpenMPKinds.def Wed Jun 25 06:44:49 2014
@@ -27,6 +27,9 @@
 #ifndef OPENMP_FOR_CLAUSE
 #  define OPENMP_FOR_CLAUSE(Name)
 #endif
+#ifndef OPENMP_SECTIONS_CLAUSE
+#  define OPENMP_SECTIONS_CLAUSE(Name)
+#endif
 #ifndef OPENMP_DEFAULT_KIND
 #  define OPENMP_DEFAULT_KIND(Name)
 #endif
@@ -43,6 +46,7 @@ OPENMP_DIRECTIVE(parallel)
 OPENMP_DIRECTIVE(task)
 OPENMP_DIRECTIVE(simd)
 OPENMP_DIRECTIVE(for)
+OPENMP_DIRECTIVE(sections)
 
 // OpenMP clauses.
 OPENMP_CLAUSE(if, OMPIfClause)
@@ -92,6 +96,13 @@ OPENMP_FOR_CLAUSE(schedule)
 OPENMP_FOR_CLAUSE(ordered)
 OPENMP_FOR_CLAUSE(nowait)
 
+// Clauses allowed for OpenMP directive 'omp sections'.
+OPENMP_SECTIONS_CLAUSE(private)
+OPENMP_SECTIONS_CLAUSE(lastprivate)
+OPENMP_SECTIONS_CLAUSE(firstprivate)
+OPENMP_SECTIONS_CLAUSE(reduction)
+OPENMP_SECTIONS_CLAUSE(nowait)
+
 // Static attributes for 'default' clause.
 OPENMP_DEFAULT_KIND(none)
 OPENMP_DEFAULT_KIND(shared)
@@ -113,6 +124,7 @@ OPENMP_SCHEDULE_KIND(runtime)
 #undef OPENMP_DEFAULT_KIND
 #undef OPENMP_DIRECTIVE
 #undef OPENMP_CLAUSE
+#undef OPENMP_SECTIONS_CLAUSE
 #undef OPENMP_PARALLEL_CLAUSE
 #undef OPENMP_SIMD_CLAUSE
 #undef OPENMP_FOR_CLAUSE

Modified: cfe/trunk/include/clang/Basic/StmtNodes.td
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/StmtNodes.td?rev=211685&r1=211684&r2=211685&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/StmtNodes.td (original)
+++ cfe/trunk/include/clang/Basic/StmtNodes.td Wed Jun 25 06:44:49 2014
@@ -180,3 +180,4 @@ def OMPExecutableDirective : Stmt<1>;
 def OMPParallelDirective : DStmt<OMPExecutableDirective>;
 def OMPSimdDirective : DStmt<OMPExecutableDirective>;
 def OMPForDirective : DStmt<OMPExecutableDirective>;
+def OMPSectionsDirective : DStmt<OMPExecutableDirective>;

Modified: cfe/trunk/include/clang/Sema/Sema.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Sema/Sema.h?rev=211685&r1=211684&r2=211685&view=diff
==============================================================================
--- cfe/trunk/include/clang/Sema/Sema.h (original)
+++ cfe/trunk/include/clang/Sema/Sema.h Wed Jun 25 06:44:49 2014
@@ -7297,7 +7297,7 @@ public:
                                      SourceLocation Loc,
                                      ArrayRef<Expr *> VarList);
 
-  // brief Initialization of captured region for OpenMP parallel region.
+  // brief Initialization of captured region for OpenMP region.
   void ActOnOpenMPRegionStart(OpenMPDirectiveKind DKind, SourceLocation Loc,
                               Scope *CurScope);
   StmtResult ActOnOpenMPExecutableDirective(OpenMPDirectiveKind Kind,
@@ -7322,6 +7322,11 @@ public:
   StmtResult ActOnOpenMPForDirective(ArrayRef<OMPClause *> Clauses, Stmt *AStmt,
                                      SourceLocation StartLoc,
                                      SourceLocation EndLoc);
+  /// \brief Called on well-formed '\#pragma omp sections' after parsing
+  /// of the associated statement.
+  StmtResult ActOnOpenMPSectionsDirective(ArrayRef<OMPClause *> Clauses,
+                                          Stmt *AStmt, SourceLocation StartLoc,
+                                          SourceLocation EndLoc);
 
   OMPClause *ActOnOpenMPSingleExprClause(OpenMPClauseKind Kind,
                                          Expr *Expr,

Modified: cfe/trunk/include/clang/Serialization/ASTBitCodes.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Serialization/ASTBitCodes.h?rev=211685&r1=211684&r2=211685&view=diff
==============================================================================
--- cfe/trunk/include/clang/Serialization/ASTBitCodes.h (original)
+++ cfe/trunk/include/clang/Serialization/ASTBitCodes.h Wed Jun 25 06:44:49 2014
@@ -1342,6 +1342,7 @@ namespace clang {
       STMT_OMP_PARALLEL_DIRECTIVE,
       STMT_OMP_SIMD_DIRECTIVE,
       STMT_OMP_FOR_DIRECTIVE,
+      STMT_OMP_SECTIONS_DIRECTIVE,
 
       // ARC
       EXPR_OBJC_BRIDGED_CAST,     // ObjCBridgedCastExpr

Modified: cfe/trunk/lib/AST/Stmt.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/Stmt.cpp?rev=211685&r1=211684&r2=211685&view=diff
==============================================================================
--- cfe/trunk/lib/AST/Stmt.cpp (original)
+++ cfe/trunk/lib/AST/Stmt.cpp Wed Jun 25 06:44:49 2014
@@ -1386,3 +1386,27 @@ OMPForDirective *OMPForDirective::Create
   return new (Mem) OMPForDirective(CollapsedNum, NumClauses);
 }
 
+OMPSectionsDirective *OMPSectionsDirective::Create(
+    const ASTContext &C, SourceLocation StartLoc, SourceLocation EndLoc,
+    ArrayRef<OMPClause *> Clauses, Stmt *AssociatedStmt) {
+  unsigned Size = llvm::RoundUpToAlignment(sizeof(OMPSectionsDirective),
+                                           llvm::alignOf<OMPClause *>());
+  void *Mem =
+      C.Allocate(Size + sizeof(OMPClause *) * Clauses.size() + sizeof(Stmt *));
+  OMPSectionsDirective *Dir =
+      new (Mem) OMPSectionsDirective(StartLoc, EndLoc, Clauses.size());
+  Dir->setClauses(Clauses);
+  Dir->setAssociatedStmt(AssociatedStmt);
+  return Dir;
+}
+
+OMPSectionsDirective *OMPSectionsDirective::CreateEmpty(const ASTContext &C,
+                                                        unsigned NumClauses,
+                                                        EmptyShell) {
+  unsigned Size = llvm::RoundUpToAlignment(sizeof(OMPSectionsDirective),
+                                           llvm::alignOf<OMPClause *>());
+  void *Mem =
+      C.Allocate(Size + sizeof(OMPClause *) * NumClauses + sizeof(Stmt *));
+  return new (Mem) OMPSectionsDirective(NumClauses);
+}
+

Modified: cfe/trunk/lib/AST/StmtPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/StmtPrinter.cpp?rev=211685&r1=211684&r2=211685&view=diff
==============================================================================
--- cfe/trunk/lib/AST/StmtPrinter.cpp (original)
+++ cfe/trunk/lib/AST/StmtPrinter.cpp Wed Jun 25 06:44:49 2014
@@ -787,6 +787,11 @@ void StmtPrinter::VisitOMPForDirective(O
   PrintOMPExecutableDirective(Node);
 }
 
+void StmtPrinter::VisitOMPSectionsDirective(OMPSectionsDirective *Node) {
+  Indent() << "#pragma omp sections ";
+  PrintOMPExecutableDirective(Node);
+}
+
 //===----------------------------------------------------------------------===//
 //  Expr printing methods.
 //===----------------------------------------------------------------------===//

Modified: cfe/trunk/lib/AST/StmtProfile.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/StmtProfile.cpp?rev=211685&r1=211684&r2=211685&view=diff
==============================================================================
--- cfe/trunk/lib/AST/StmtProfile.cpp (original)
+++ cfe/trunk/lib/AST/StmtProfile.cpp Wed Jun 25 06:44:49 2014
@@ -360,6 +360,10 @@ void StmtProfiler::VisitOMPForDirective(
   VisitOMPExecutableDirective(S);
 }
 
+void StmtProfiler::VisitOMPSectionsDirective(const OMPSectionsDirective *S) {
+  VisitOMPExecutableDirective(S);
+}
+
 void StmtProfiler::VisitExpr(const Expr *S) {
   VisitStmt(S);
 }

Modified: cfe/trunk/lib/Basic/OpenMPKinds.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/OpenMPKinds.cpp?rev=211685&r1=211684&r2=211685&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/OpenMPKinds.cpp (original)
+++ cfe/trunk/lib/Basic/OpenMPKinds.cpp Wed Jun 25 06:44:49 2014
@@ -191,6 +191,16 @@ bool clang::isAllowedClauseForDirective(
       break;
     }
     break;
+  case OMPD_sections:
+    switch (CKind) {
+#define OPENMP_SECTIONS_CLAUSE(Name)                                                \
+  case OMPC_##Name:                                                            \
+    return true;
+#include "clang/Basic/OpenMPKinds.def"
+    default:
+      break;
+    }
+    break;
   case OMPD_unknown:
   case OMPD_threadprivate:
   case OMPD_task:
@@ -204,7 +214,8 @@ bool clang::isOpenMPLoopDirective(OpenMP
 }
 
 bool clang::isOpenMPWorksharingDirective(OpenMPDirectiveKind DKind) {
-  return DKind == OMPD_for; // TODO add next directives.
+  return DKind == OMPD_for ||
+         DKind == OMPD_sections; // TODO add next directives.
 }
 
 bool clang::isOpenMPParallelDirective(OpenMPDirectiveKind DKind) {

Modified: cfe/trunk/lib/CodeGen/CGStmt.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGStmt.cpp?rev=211685&r1=211684&r2=211685&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGStmt.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGStmt.cpp Wed Jun 25 06:44:49 2014
@@ -182,6 +182,9 @@ void CodeGenFunction::EmitStmt(const Stm
   case Stmt::OMPForDirectiveClass:
     EmitOMPForDirective(cast<OMPForDirective>(*S));
     break;
+  case Stmt::OMPSectionsDirectiveClass:
+    EmitOMPSectionsDirective(cast<OMPSectionsDirective>(*S));
+    break;
   }
 }
 

Modified: cfe/trunk/lib/CodeGen/CGStmtOpenMP.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGStmtOpenMP.cpp?rev=211685&r1=211684&r2=211685&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGStmtOpenMP.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGStmtOpenMP.cpp Wed Jun 25 06:44:49 2014
@@ -76,5 +76,10 @@ void CodeGenFunction::EmitOMPSimdDirecti
 }
 
 void CodeGenFunction::EmitOMPForDirective(const OMPForDirective &) {
-  llvm_unreachable("Not supported yet.");
+  llvm_unreachable("CodeGen for 'omp for' is not supported yet.");
 }
+
+void CodeGenFunction::EmitOMPSectionsDirective(const OMPSectionsDirective &) {
+  llvm_unreachable("CodeGen for 'omp sections' is not supported yet.");
+}
+

Modified: cfe/trunk/lib/CodeGen/CodeGenFunction.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CodeGenFunction.h?rev=211685&r1=211684&r2=211685&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CodeGenFunction.h (original)
+++ cfe/trunk/lib/CodeGen/CodeGenFunction.h Wed Jun 25 06:44:49 2014
@@ -1903,6 +1903,7 @@ public:
   void EmitOMPParallelDirective(const OMPParallelDirective &S);
   void EmitOMPSimdDirective(const OMPSimdDirective &S);
   void EmitOMPForDirective(const OMPForDirective &S);
+  void EmitOMPSectionsDirective(const OMPSectionsDirective &S);
 
   //===--------------------------------------------------------------------===//
   //                         LValue Expression Emission

Modified: cfe/trunk/lib/Parse/ParseOpenMP.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Parse/ParseOpenMP.cpp?rev=211685&r1=211684&r2=211685&view=diff
==============================================================================
--- cfe/trunk/lib/Parse/ParseOpenMP.cpp (original)
+++ cfe/trunk/lib/Parse/ParseOpenMP.cpp Wed Jun 25 06:44:49 2014
@@ -63,6 +63,7 @@ Parser::DeclGroupPtrTy Parser::ParseOpen
   case OMPD_simd:
   case OMPD_task:
   case OMPD_for:
+  case OMPD_sections:
     Diag(Tok, diag::err_omp_unexpected_directive)
         << getOpenMPDirectiveName(DKind);
     break;
@@ -77,8 +78,9 @@ Parser::DeclGroupPtrTy Parser::ParseOpen
 ///         annot_pragma_openmp 'threadprivate' simple-variable-list
 ///         annot_pragma_openmp_end
 ///
-///       parallel-directive:
-///         annot_pragma_openmp 'parallel' {clause} annot_pragma_openmp_end
+///       executable-directive:
+///         annot_pragma_openmp 'parallel'|'simd'|'for'|'sections'  {clause}
+///         annot_pragma_openmp_end
 ///
 StmtResult Parser::ParseOpenMPDeclarativeOrExecutableDirective() {
   assert(Tok.is(tok::annot_pragma_openmp) && "Not an OpenMP directive!");
@@ -116,7 +118,8 @@ StmtResult Parser::ParseOpenMPDeclarativ
     break;
   case OMPD_parallel:
   case OMPD_simd:
-  case OMPD_for: {
+  case OMPD_for:
+  case OMPD_sections: {
     ConsumeToken();
 
     if (isOpenMPLoopDirective(DKind))

Modified: cfe/trunk/lib/Sema/SemaOpenMP.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaOpenMP.cpp?rev=211685&r1=211684&r2=211685&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaOpenMP.cpp (original)
+++ cfe/trunk/lib/Sema/SemaOpenMP.cpp Wed Jun 25 06:44:49 2014
@@ -910,6 +910,13 @@ void Sema::ActOnOpenMPRegionStart(OpenMP
     ActOnCapturedRegionStart(Loc, CurScope, CR_OpenMP, Params);
     break;
   }
+  case OMPD_sections: {
+    Sema::CapturedParamNameType Params[] = {
+        std::make_pair(StringRef(), QualType()) // __context with shared vars
+    };
+    ActOnCapturedRegionStart(Loc, CurScope, CR_OpenMP, Params);
+    break;
+  }
   case OMPD_threadprivate:
   case OMPD_task:
     llvm_unreachable("OpenMP Directive is not allowed");
@@ -997,6 +1004,10 @@ StmtResult Sema::ActOnOpenMPExecutableDi
   case OMPD_for:
     Res = ActOnOpenMPForDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc);
     break;
+  case OMPD_sections:
+    Res = ActOnOpenMPSectionsDirective(ClausesWithImplicit, AStmt, StartLoc,
+                                       EndLoc);
+    break;
   case OMPD_threadprivate:
   case OMPD_task:
     llvm_unreachable("OpenMP Directive is not allowed");
@@ -1567,6 +1578,32 @@ StmtResult Sema::ActOnOpenMPForDirective
                                  Clauses, AStmt);
 }
 
+StmtResult Sema::ActOnOpenMPSectionsDirective(ArrayRef<OMPClause *> Clauses,
+                                              Stmt *AStmt,
+                                              SourceLocation StartLoc,
+                                              SourceLocation EndLoc) {
+  assert(AStmt && isa<CapturedStmt>(AStmt) && "Captured statement expected");
+  auto BaseStmt = AStmt;
+  while (CapturedStmt *CS = dyn_cast_or_null<CapturedStmt>(BaseStmt))
+    BaseStmt = CS->getCapturedStmt();
+  if (auto C = dyn_cast_or_null<CompoundStmt>(BaseStmt)) {
+    auto S = C->children();
+    if (!S)
+      return StmtError();
+    // All associated statements must be '#pragma omp section' except for
+    // the first one.
+    // TODO
+  } else {
+    Diag(AStmt->getLocStart(), diag::err_omp_sections_not_compound_stmt);
+    return StmtError();
+  }
+
+  getCurFunction()->setHasBranchProtectedScope();
+
+  return OMPSectionsDirective::Create(Context, StartLoc, EndLoc, Clauses,
+                                      AStmt);
+}
+
 OMPClause *Sema::ActOnOpenMPSingleExprClause(OpenMPClauseKind Kind, Expr *Expr,
                                              SourceLocation StartLoc,
                                              SourceLocation LParenLoc,

Modified: cfe/trunk/lib/Sema/TreeTransform.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/TreeTransform.h?rev=211685&r1=211684&r2=211685&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/TreeTransform.h (original)
+++ cfe/trunk/lib/Sema/TreeTransform.h Wed Jun 25 06:44:49 2014
@@ -6429,6 +6429,16 @@ TreeTransform<Derived>::TransformOMPForD
   return Res;
 }
 
+template <typename Derived>
+StmtResult
+TreeTransform<Derived>::TransformOMPSectionsDirective(OMPSectionsDirective *D) {
+  DeclarationNameInfo DirName;
+  getDerived().getSema().StartOpenMPDSABlock(OMPD_sections, DirName, nullptr);
+  StmtResult Res = getDerived().TransformOMPExecutableDirective(D);
+  getDerived().getSema().EndOpenMPDSABlock(Res.get());
+  return Res;
+}
+
 //===----------------------------------------------------------------------===//
 // OpenMP clause transformation
 //===----------------------------------------------------------------------===//

Modified: cfe/trunk/lib/Serialization/ASTReaderStmt.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Serialization/ASTReaderStmt.cpp?rev=211685&r1=211684&r2=211685&view=diff
==============================================================================
--- cfe/trunk/lib/Serialization/ASTReaderStmt.cpp (original)
+++ cfe/trunk/lib/Serialization/ASTReaderStmt.cpp Wed Jun 25 06:44:49 2014
@@ -1906,6 +1906,13 @@ void ASTStmtReader::VisitOMPForDirective
   VisitOMPExecutableDirective(D);
 }
 
+void ASTStmtReader::VisitOMPSectionsDirective(OMPSectionsDirective *D) {
+  VisitStmt(D);
+  // The NumClauses field was read in ReadStmtFromStream.
+  ++Idx;
+  VisitOMPExecutableDirective(D);
+}
+
 //===----------------------------------------------------------------------===//
 // ASTReader Implementation
 //===----------------------------------------------------------------------===//
@@ -2401,6 +2408,11 @@ Stmt *ASTReader::ReadStmtFromStream(Modu
       break;
     }
 
+    case STMT_OMP_SECTIONS_DIRECTIVE:
+      S = OMPSectionsDirective::CreateEmpty(
+          Context, Record[ASTStmtReader::NumStmtFields], Empty);
+      break;
+
     case EXPR_CXX_OPERATOR_CALL:
       S = new (Context) CXXOperatorCallExpr(Context, Empty);
       break;

Modified: cfe/trunk/lib/Serialization/ASTWriterStmt.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Serialization/ASTWriterStmt.cpp?rev=211685&r1=211684&r2=211685&view=diff
==============================================================================
--- cfe/trunk/lib/Serialization/ASTWriterStmt.cpp (original)
+++ cfe/trunk/lib/Serialization/ASTWriterStmt.cpp Wed Jun 25 06:44:49 2014
@@ -1818,6 +1818,13 @@ void ASTStmtWriter::VisitOMPForDirective
   Code = serialization::STMT_OMP_FOR_DIRECTIVE;
 }
 
+void ASTStmtWriter::VisitOMPSectionsDirective(OMPSectionsDirective *D) {
+  VisitStmt(D);
+  Record.push_back(D->getNumClauses());
+  VisitOMPExecutableDirective(D);
+  Code = serialization::STMT_OMP_SECTIONS_DIRECTIVE;
+}
+
 //===----------------------------------------------------------------------===//
 // ASTWriter Implementation
 //===----------------------------------------------------------------------===//

Modified: cfe/trunk/lib/StaticAnalyzer/Core/ExprEngine.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/StaticAnalyzer/Core/ExprEngine.cpp?rev=211685&r1=211684&r2=211685&view=diff
==============================================================================
--- cfe/trunk/lib/StaticAnalyzer/Core/ExprEngine.cpp (original)
+++ cfe/trunk/lib/StaticAnalyzer/Core/ExprEngine.cpp Wed Jun 25 06:44:49 2014
@@ -733,6 +733,7 @@ void ExprEngine::Visit(const Stmt *S, Ex
     case Stmt::OMPParallelDirectiveClass:
     case Stmt::OMPSimdDirectiveClass:
     case Stmt::OMPForDirectiveClass:
+    case Stmt::OMPSectionsDirectiveClass:
       llvm_unreachable("Stmt should not be in analyzer evaluation loop");
 
     case Stmt::ObjCSubscriptRefExprClass:

Modified: cfe/trunk/test/OpenMP/nesting_of_regions.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/OpenMP/nesting_of_regions.cpp?rev=211685&r1=211684&r2=211685&view=diff
==============================================================================
--- cfe/trunk/test/OpenMP/nesting_of_regions.cpp (original)
+++ cfe/trunk/test/OpenMP/nesting_of_regions.cpp Wed Jun 25 06:44:49 2014
@@ -1,5 +1,7 @@
 // RUN: %clang_cc1 -fsyntax-only -fopenmp=libiomp5 -verify %s
 
+void bar();
+
 template <class T>
 void foo() {
 #pragma omp parallel
@@ -8,6 +10,11 @@ void foo() {
 #pragma omp parallel
 #pragma omp simd
   for (int i = 0; i < 10; ++i);
+#pragma omp parallel
+#pragma omp sections
+  {
+    bar();
+  }
 #pragma omp simd
   for (int i = 0; i < 10; ++i) {
 #pragma omp for // expected-error {{OpenMP constructs may not be nested inside a simd region}}
@@ -23,6 +30,13 @@ void foo() {
 #pragma omp parallel // expected-error {{OpenMP constructs may not be nested inside a simd region}}
   for (int i = 0; i < 10; ++i);
   }
+#pragma omp simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp sections // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    {
+      bar();
+    }
+  }
 #pragma omp for
   for (int i = 0; i < 10; ++i) {
 #pragma omp for // expected-error {{region cannot be closely nested inside 'for' region; perhaps you forget to enclose 'omp for' directive into a parallel region?}}
@@ -38,6 +52,35 @@ void foo() {
 #pragma omp parallel
   for (int i = 0; i < 10; ++i);
   }
+#pragma omp for
+  for (int i = 0; i < 10; ++i) {
+#pragma omp sections // expected-error {{region cannot be closely nested inside 'for' region; perhaps you forget to enclose 'omp sections' directive into a parallel region?}}
+    {
+      bar();
+    }
+  }
+#pragma omp sections
+  {
+#pragma omp for // expected-error {{region cannot be closely nested inside 'sections' region; perhaps you forget to enclose 'omp for' directive into a parallel region?}}
+  for (int i = 0; i < 10; ++i);
+  }
+#pragma omp sections
+  {
+#pragma omp simd
+  for (int i = 0; i < 10; ++i);
+  }
+#pragma omp sections
+  {
+#pragma omp parallel
+  for (int i = 0; i < 10; ++i);
+  }
+#pragma omp sections
+  {
+#pragma omp sections // expected-error {{region cannot be closely nested inside 'sections' region; perhaps you forget to enclose 'omp sections' directive into a parallel region?}}
+    {
+      bar();
+    }
+  }
 }
 
 void foo() {
@@ -47,6 +90,11 @@ void foo() {
 #pragma omp parallel
 #pragma omp simd
   for (int i = 0; i < 10; ++i);
+#pragma omp parallel
+#pragma omp sections
+  {
+    bar();
+  }
 #pragma omp simd
   for (int i = 0; i < 10; ++i) {
 #pragma omp for // expected-error {{OpenMP constructs may not be nested inside a simd region}}
@@ -62,6 +110,13 @@ void foo() {
 #pragma omp parallel // expected-error {{OpenMP constructs may not be nested inside a simd region}}
   for (int i = 0; i < 10; ++i);
   }
+#pragma omp simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp sections // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    {
+      bar();
+    }
+  }
 #pragma omp for
   for (int i = 0; i < 10; ++i) {
 #pragma omp for // expected-error {{region cannot be closely nested inside 'for' region; perhaps you forget to enclose 'omp for' directive into a parallel region?}}
@@ -77,6 +132,35 @@ void foo() {
 #pragma omp parallel
   for (int i = 0; i < 10; ++i);
   }
+#pragma omp for
+  for (int i = 0; i < 10; ++i) {
+#pragma omp sections // expected-error {{region cannot be closely nested inside 'for' region; perhaps you forget to enclose 'omp sections' directive into a parallel region?}}
+    {
+      bar();
+    }
+  }
+#pragma omp sections
+  {
+#pragma omp for // expected-error {{region cannot be closely nested inside 'sections' region; perhaps you forget to enclose 'omp for' directive into a parallel region?}}
+  for (int i = 0; i < 10; ++i);
+  }
+#pragma omp sections
+  {
+#pragma omp simd
+  for (int i = 0; i < 10; ++i);
+  }
+#pragma omp sections
+  {
+#pragma omp parallel
+  for (int i = 0; i < 10; ++i);
+  }
+#pragma omp sections
+  {
+#pragma omp sections // expected-error {{region cannot be closely nested inside 'sections' region; perhaps you forget to enclose 'omp sections' directive into a parallel region?}}
+    {
+      bar();
+    }
+  }
   return foo<int>();
 }
 

Added: cfe/trunk/test/OpenMP/sections_ast_print.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/OpenMP/sections_ast_print.cpp?rev=211685&view=auto
==============================================================================
--- cfe/trunk/test/OpenMP/sections_ast_print.cpp (added)
+++ cfe/trunk/test/OpenMP/sections_ast_print.cpp Wed Jun 25 06:44:49 2014
@@ -0,0 +1,46 @@
+// RUN: %clang_cc1 -verify -fopenmp=libiomp5 -ast-print %s | FileCheck %s
+// RUN: %clang_cc1 -fopenmp=libiomp5 -x c++ -std=c++11 -emit-pch -o %t %s
+// RUN: %clang_cc1 -fopenmp=libiomp5 -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s
+// expected-no-diagnostics
+
+#ifndef HEADER
+#define HEADER
+
+void foo() {}
+
+template <class T, int N>
+T tmain(T argc) {
+  T b = argc, c, d, e, f, g;
+  static T a;
+// CHECK: static T a;
+#pragma omp parallel
+#pragma omp sections private(argc, b), firstprivate(c, d), lastprivate(d, f) reduction (-: g) nowait
+  {
+            foo();
+  }
+  // CHECK-NEXT: #pragma omp parallel
+  // CHECK-NEXT: #pragma omp sections private(argc,b) firstprivate(c,d) lastprivate(d,f) reduction(-: g) nowait
+  // CHECK-NEXT: {
+  // CHECK-NEXT: foo();
+  // CHECK-NEXT: }
+  return T();
+}
+
+int main(int argc, char **argv) {
+  int b = argc, c, d, e, f, g;
+  static int a;
+// CHECK: static int a;
+#pragma omp parallel
+#pragma omp sections private(argc, b), firstprivate(argv, c), lastprivate(d, f) reduction(+:g) nowait
+  {
+      foo();
+  }
+  // CHECK-NEXT: #pragma omp parallel
+  // CHECK-NEXT: #pragma omp sections private(argc,b) firstprivate(argv,c) lastprivate(d,f) reduction(+: g) nowait
+  // CHECK-NEXT: {
+  // CHECK-NEXT: foo();
+  // CHECK-NEXT: }
+  return (tmain<int, 5>(argc) + tmain<char, 1>(argv[0][0]));
+}
+
+#endif

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Added: cfe/trunk/test/OpenMP/sections_firstprivate_messages.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/OpenMP/sections_firstprivate_messages.cpp?rev=211685&view=auto
==============================================================================
--- cfe/trunk/test/OpenMP/sections_firstprivate_messages.cpp (added)
+++ cfe/trunk/test/OpenMP/sections_firstprivate_messages.cpp Wed Jun 25 06:44:49 2014
@@ -0,0 +1,335 @@
+// RUN: %clang_cc1 -verify -fopenmp=libiomp5 %s
+
+void foo() {
+}
+
+bool foobool(int argc) {
+  return argc;
+}
+
+struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
+extern S1 a;
+class S2 {
+  mutable int a;
+
+public:
+  S2() : a(0) {}
+  S2(S2 &s2) : a(s2.a) {}
+  static float S2s;
+  static const float S2sc;
+};
+const float S2::S2sc = 0;
+const S2 b;
+const S2 ba[5];
+class S3 {
+  int a;
+  S3 &operator=(const S3 &s3);
+
+public:
+  S3() : a(0) {}
+  S3(S3 &s3) : a(s3.a) {}
+};
+const S3 c;
+const S3 ca[5];
+extern const int f;
+class S4 { // expected-note 2 {{'S4' declared here}}
+  int a;
+  S4();
+  S4(const S4 &s4);
+
+public:
+  S4(int v) : a(v) {}
+};
+class S5 { // expected-note 4 {{'S5' declared here}}
+  int a;
+  S5(const S5 &s5) : a(s5.a) {}
+
+public:
+  S5() : a(0) {}
+  S5(int v) : a(v) {}
+};
+class S6 {
+  int a;
+  S6() : a(0) {}
+
+public:
+  S6(const S6 &s6) : a(s6.a) {}
+  S6(int v) : a(v) {}
+};
+
+S3 h;
+#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
+
+template <class I, class C>
+int foomain(int argc, char **argv) {
+  I e(4); // expected-note {{'e' defined here}}
+  C g(5); // expected-note 2 {{'g' defined here}}
+  int i;
+  int &j = i; // expected-note {{'j' defined here}}
+#pragma omp parallel
+#pragma omp sections firstprivate // expected-error {{expected '(' after 'firstprivate'}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate() // expected-error {{expected expression}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate(argc)
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate(a, b) // expected-error {{firstprivate variable with incomplete type 'S1'}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate(argv[1]) // expected-error {{expected variable name}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate(e, g) // expected-error 2 {{firstprivate variable must have an accessible, unambiguous copy constructor}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate(h) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections linear(i) // expected-error {{unexpected OpenMP clause 'linear' in directive '#pragma omp sections'}}
+  {
+    foo();
+  }
+#pragma omp parallel
+  {
+    int v = 0;
+    int i;                           // expected-note {{variable with automatic storage duration is predetermined as private; perhaps you forget to enclose 'omp sections' directive into a parallel or another task region?}}
+#pragma omp sections firstprivate(i) // expected-error {{private variable cannot be firstprivate}}
+    {
+      foo();
+    }
+    v += i;
+  }
+#pragma omp parallel shared(i)
+#pragma omp parallel private(i)
+#pragma omp sections firstprivate(j) // expected-error {{arguments of OpenMP clause 'firstprivate' cannot be of reference type}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate(i)
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(g) firstprivate(g) // expected-error {{firstprivate variable must have an accessible, unambiguous copy constructor}}
+  {
+    foo();
+  }
+#pragma omp parallel private(i)      // expected-note {{defined as private}}
+#pragma omp sections firstprivate(i) // expected-error {{firstprivate variable must be shared}}
+  {
+    foo();
+  }
+#pragma omp parallel reduction(+ : i) // expected-note {{defined as reduction}}
+#pragma omp sections firstprivate(i)  // expected-error {{firstprivate variable must be shared}}
+  {
+    foo();
+  }
+  return 0;
+}
+
+int main(int argc, char **argv) {
+  const int d = 5;
+  const int da[5] = {0};
+  S4 e(4); // expected-note {{'e' defined here}}
+  S5 g(5); // expected-note 2 {{'g' defined here}}
+  S3 m;
+  S6 n(2);
+  int i;
+  int &j = i; // expected-note {{'j' defined here}}
+#pragma omp parallel
+#pragma omp sections firstprivate // expected-error {{expected '(' after 'firstprivate'}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate() // expected-error {{expected expression}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate(argc)
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate(a, b, c, d, f) // expected-error {{firstprivate variable with incomplete type 'S1'}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate(argv[1]) // expected-error {{expected variable name}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate(2 * 2) // expected-error {{expected variable name}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate(ba) // OK
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate(ca) // OK
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate(da) // OK
+  {
+    foo();
+  }
+  int xa;
+#pragma omp parallel
+#pragma omp sections firstprivate(xa) // OK
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate(S2::S2s) // OK
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate(S2::S2sc) // OK
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections safelen(5) // expected-error {{unexpected OpenMP clause 'safelen' in directive '#pragma omp sections'}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate(e, g) // expected-error 2 {{firstprivate variable must have an accessible, unambiguous copy constructor}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate(m) // OK
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate(h) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections private(xa), firstprivate(xa) // expected-error {{private variable cannot be firstprivate}} expected-note {{defined as private}}
+  {
+    foo();
+  }
+#pragma omp parallel shared(xa)
+#pragma omp sections firstprivate(xa) // OK: may be firstprivate
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate(j) // expected-error {{arguments of OpenMP clause 'firstprivate' cannot be of reference type}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(g) firstprivate(g) // expected-error {{firstprivate variable must have an accessible, unambiguous copy constructor}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(n) firstprivate(n) // OK
+  {
+    foo();
+  }
+#pragma omp parallel
+  {
+    int v = 0;
+    int i;                           // expected-note {{variable with automatic storage duration is predetermined as private; perhaps you forget to enclose 'omp sections' directive into a parallel or another task region?}}
+#pragma omp sections firstprivate(i) // expected-error {{private variable cannot be firstprivate}}
+    {
+      foo();
+    }
+    v += i;
+  }
+#pragma omp parallel private(i)      // expected-note {{defined as private}}
+#pragma omp sections firstprivate(i) // expected-error {{firstprivate variable must be shared}}
+  {
+    foo();
+  }
+#pragma omp parallel reduction(+ : i) // expected-note {{defined as reduction}}
+#pragma omp sections firstprivate(i)  // expected-error {{firstprivate variable must be shared}}
+  {
+    foo();
+  }
+
+  return foomain<S4, S5>(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<S4, S5>' requested here}}
+}

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Added: cfe/trunk/test/OpenMP/sections_lastprivate_messages.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/OpenMP/sections_lastprivate_messages.cpp?rev=211685&view=auto
==============================================================================
--- cfe/trunk/test/OpenMP/sections_lastprivate_messages.cpp (added)
+++ cfe/trunk/test/OpenMP/sections_lastprivate_messages.cpp Wed Jun 25 06:44:49 2014
@@ -0,0 +1,309 @@
+// RUN: %clang_cc1 -verify -fopenmp=libiomp5 %s
+
+void foo() {
+}
+
+bool foobool(int argc) {
+  return argc;
+}
+
+struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
+extern S1 a;
+class S2 {
+  mutable int a;
+
+public:
+  S2() : a(0) {}
+  S2(S2 &s2) : a(s2.a) {}
+  static float S2s; // expected-note {{static data member is predetermined as shared}}
+  static const float S2sc;
+};
+const float S2::S2sc = 0; // expected-note {{static data member is predetermined as shared}}
+const S2 b;
+const S2 ba[5];
+class S3 { // expected-note 2 {{'S3' declared here}}
+  int a;
+  S3 &operator=(const S3 &s3);
+
+public:
+  S3() : a(0) {}
+  S3(S3 &s3) : a(s3.a) {}
+};
+const S3 c;         // expected-note {{global variable is predetermined as shared}}
+const S3 ca[5];     // expected-note {{global variable is predetermined as shared}}
+extern const int f; // expected-note {{global variable is predetermined as shared}}
+class S4 {          // expected-note 3 {{'S4' declared here}}
+  int a;
+  S4();
+  S4(const S4 &s4);
+
+public:
+  S4(int v) : a(v) {}
+};
+class S5 { // expected-note {{'S5' declared here}}
+  int a;
+  S5() : a(0) {}
+
+public:
+  S5(const S5 &s5) : a(s5.a) {}
+  S5(int v) : a(v) {}
+};
+class S6 {
+  int a;
+  S6() : a(0) {}
+
+public:
+  S6(const S6 &s6) : a(s6.a) {}
+  S6(int v) : a(v) {}
+};
+
+S3 h;
+#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
+
+template <class I, class C>
+int foomain(int argc, char **argv) {
+  I e(4); // expected-note {{'e' defined here}}
+  I g(5); // expected-note {{'g' defined here}}
+  int i;
+  int &j = i; // expected-note {{'j' defined here}}
+#pragma omp parallel
+#pragma omp sections lastprivate // expected-error {{expected '(' after 'lastprivate'}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate() // expected-error {{expected expression}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(argc)
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(a, b) // expected-error {{lastprivate variable with incomplete type 'S1'}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(argv[1]) // expected-error {{expected variable name}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(e, g) // expected-error 2 {{lastprivate variable must have an accessible, unambiguous default constructor}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(h) // expected-error {{threadprivate or thread local variable cannot be lastprivate}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections linear(i) // expected-error {{unexpected OpenMP clause 'linear' in directive '#pragma omp sections'}}
+  {
+    foo();
+  }
+#pragma omp parallel
+  {
+    int v = 0;
+    int i;                          // expected-note {{variable with automatic storage duration is predetermined as private; perhaps you forget to enclose 'omp sections' directive into a parallel or another task region?}}
+#pragma omp sections lastprivate(i) // expected-error {{lastprivate variable must be shared}}
+    {
+      foo();
+    }
+    v += i;
+  }
+#pragma omp parallel shared(i)
+#pragma omp parallel private(i)
+#pragma omp sections lastprivate(j) // expected-error {{arguments of OpenMP clause 'lastprivate' cannot be of reference type}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(i)
+  {
+    foo();
+  }
+  return 0;
+}
+
+int main(int argc, char **argv) {
+  const int d = 5;       // expected-note {{constant variable is predetermined as shared}}
+  const int da[5] = {0}; // expected-note {{constant variable is predetermined as shared}}
+  S4 e(4);               // expected-note {{'e' defined here}}
+  S5 g(5);               // expected-note {{'g' defined here}}
+  S3 m;                  // expected-note 2 {{'m' defined here}}
+  S6 n(2);
+  int i;
+  int &j = i; // expected-note {{'j' defined here}}
+#pragma omp parallel
+#pragma omp sections lastprivate // expected-error {{expected '(' after 'lastprivate'}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate() // expected-error {{expected expression}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(argc)
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(a, b, c, d, f) // expected-error {{lastprivate variable with incomplete type 'S1'}} expected-error 3 {{shared variable cannot be lastprivate}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(argv[1]) // expected-error {{expected variable name}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(2 * 2) // expected-error {{expected variable name}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(ba)
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(ca) // expected-error {{shared variable cannot be lastprivate}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(da) // expected-error {{shared variable cannot be lastprivate}}
+  {
+    foo();
+  }
+  int xa;
+#pragma omp parallel
+#pragma omp sections lastprivate(xa) // OK
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(S2::S2s) // expected-error {{shared variable cannot be lastprivate}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(S2::S2sc) // expected-error {{shared variable cannot be lastprivate}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections safelen(5) // expected-error {{unexpected OpenMP clause 'safelen' in directive '#pragma omp sections'}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(e, g) // expected-error 2 {{lastprivate variable must have an accessible, unambiguous default constructor}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(m) // expected-error {{lastprivate variable must have an accessible, unambiguous copy assignment operator}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(h) // expected-error {{threadprivate or thread local variable cannot be lastprivate}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections private(xa), lastprivate(xa) // expected-error {{private variable cannot be lastprivate}} expected-note {{defined as private}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(i)
+  {
+    foo();
+  }
+#pragma omp parallel private(xa)     // expected-note {{defined as private}}
+#pragma omp sections lastprivate(xa) // expected-error {{lastprivate variable must be shared}}
+  {
+    foo();
+  }
+#pragma omp parallel reduction(+ : xa) // expected-note {{defined as reduction}}
+#pragma omp sections lastprivate(xa)   // expected-error {{lastprivate variable must be shared}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(j) // expected-error {{arguments of OpenMP clause 'lastprivate' cannot be of reference type}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections firstprivate(m) lastprivate(m) // expected-error {{lastprivate variable must have an accessible, unambiguous copy assignment operator}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(n) firstprivate(n) // OK
+  {
+    foo();
+  }
+  return foomain<S4, S5>(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<S4, S5>' requested here}}
+}

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Added: cfe/trunk/test/OpenMP/sections_misc_messages.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/OpenMP/sections_misc_messages.c?rev=211685&view=auto
==============================================================================
--- cfe/trunk/test/OpenMP/sections_misc_messages.c (added)
+++ cfe/trunk/test/OpenMP/sections_misc_messages.c Wed Jun 25 06:44:49 2014
@@ -0,0 +1,271 @@
+// RUN: %clang_cc1 -fsyntax-only -fopenmp=libiomp5 -verify %s
+
+void foo();
+
+// expected-error at +1 {{unexpected OpenMP directive '#pragma omp sections'}}
+#pragma omp sections
+
+// expected-error at +1 {{unexpected OpenMP directive '#pragma omp sections'}}
+#pragma omp sections foo
+
+void test_no_clause() {
+  int i;
+#pragma omp sections
+  {
+    foo();
+  }
+
+// expected-error at +2 {{the statement for '#pragma omp sections' must be a compound statement}}
+#pragma omp sections
+  ++i;
+}
+
+void test_branch_protected_scope() {
+  int i = 0;
+L1:
+  ++i;
+
+  int x[24];
+
+#pragma omp parallel
+#pragma omp sections
+  {
+    if (i == 5)
+      goto L1; // expected-error {{use of undeclared label 'L1'}}
+    else if (i == 6)
+      return; // expected-error {{cannot return from OpenMP region}}
+    else if (i == 7)
+      goto L2;
+    else if (i == 8) {
+    L2:
+      x[i]++;
+    }
+  }
+
+  if (x[0] == 0)
+    goto L2; // expected-error {{use of undeclared label 'L2'}}
+  else if (x[1] == 1)
+    goto L1;
+}
+
+void test_invalid_clause() {
+  int i;
+#pragma omp parallel
+// expected-warning at +1 {{extra tokens at the end of '#pragma omp sections' are ignored}}
+#pragma omp sections foo bar
+  {
+    foo();
+  }
+}
+
+void test_non_identifiers() {
+  int i, x;
+
+#pragma omp parallel
+// expected-warning at +1 {{extra tokens at the end of '#pragma omp sections' are ignored}}
+#pragma omp sections;
+  {
+    foo();
+  }
+#pragma omp parallel
+// expected-error at +2 {{unexpected OpenMP clause 'linear' in directive '#pragma omp sections'}}
+// expected-warning at +1 {{extra tokens at the end of '#pragma omp sections' are ignored}}
+#pragma omp sections linear(x);
+  {
+    foo();
+  }
+
+#pragma omp parallel
+// expected-warning at +1 {{extra tokens at the end of '#pragma omp sections' are ignored}}
+#pragma omp sections private(x);
+  {
+    foo();
+  }
+
+#pragma omp parallel
+// expected-warning at +1 {{extra tokens at the end of '#pragma omp sections' are ignored}}
+#pragma omp sections, private(x);
+  {
+    foo();
+  }
+}
+
+void test_private() {
+  int i;
+#pragma omp parallel
+// expected-error at +2 {{expected expression}}
+// expected-error at +1 {{expected ')'}} expected-note at +1 {{to match this '('}}
+#pragma omp sections private(
+  {
+    foo();
+  }
+#pragma omp parallel
+// expected-error at +2 {{expected ')'}} expected-note at +2 {{to match this '('}}
+// expected-error at +1 2 {{expected expression}}
+#pragma omp sections private(,
+  {
+    foo();
+  }
+#pragma omp parallel
+// expected-error at +1 2 {{expected expression}}
+#pragma omp sections private(, )
+  {
+    foo();
+  }
+#pragma omp parallel
+// expected-error at +1 {{expected expression}}
+#pragma omp sections private()
+  {
+    foo();
+  }
+#pragma omp parallel
+// expected-error at +1 {{expected expression}}
+#pragma omp sections private(int)
+  {
+    foo();
+  }
+#pragma omp parallel
+// expected-error at +1 {{expected variable name}}
+#pragma omp sections private(0)
+  {
+    foo();
+  }
+
+  int x, y, z;
+#pragma omp parallel
+#pragma omp sections private(x)
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections private(x, y)
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections private(x, y, z)
+  {
+    foo();
+  }
+}
+
+void test_lastprivate() {
+  int i;
+#pragma omp parallel
+// expected-error at +2 {{expected ')'}} expected-note at +2 {{to match this '('}}
+// expected-error at +1 {{expected expression}}
+#pragma omp sections lastprivate(
+  {
+    foo();
+  }
+
+#pragma omp parallel
+// expected-error at +2 {{expected ')'}} expected-note at +2 {{to match this '('}}
+// expected-error at +1 2 {{expected expression}}
+#pragma omp sections lastprivate(,
+  {
+    foo();
+  }
+#pragma omp parallel
+// expected-error at +1 2 {{expected expression}}
+#pragma omp sections lastprivate(, )
+  {
+    foo();
+  }
+#pragma omp parallel
+// expected-error at +1 {{expected expression}}
+#pragma omp sections lastprivate()
+  {
+    foo();
+  }
+#pragma omp parallel
+// expected-error at +1 {{expected expression}}
+#pragma omp sections lastprivate(int)
+  {
+    foo();
+  }
+#pragma omp parallel
+// expected-error at +1 {{expected variable name}}
+#pragma omp sections lastprivate(0)
+  {
+    foo();
+  }
+
+  int x, y, z;
+#pragma omp parallel
+#pragma omp sections lastprivate(x)
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(x, y)
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(x, y, z)
+  {
+    foo();
+  }
+}
+
+void test_firstprivate() {
+  int i;
+#pragma omp parallel
+// expected-error at +2 {{expected ')'}} expected-note at +2 {{to match this '('}}
+// expected-error at +1 {{expected expression}}
+#pragma omp sections firstprivate(
+  {
+    foo();
+  }
+
+#pragma omp parallel
+// expected-error at +2 {{expected ')'}} expected-note at +2 {{to match this '('}}
+// expected-error at +1 2 {{expected expression}}
+#pragma omp sections firstprivate(,
+  {
+    foo();
+  }
+#pragma omp parallel
+// expected-error at +1 2 {{expected expression}}
+#pragma omp sections firstprivate(, )
+  {
+    foo();
+  }
+#pragma omp parallel
+// expected-error at +1 {{expected expression}}
+#pragma omp sections firstprivate()
+  {
+    foo();
+  }
+#pragma omp parallel
+// expected-error at +1 {{expected expression}}
+#pragma omp sections firstprivate(int)
+  {
+    foo();
+  }
+#pragma omp parallel
+// expected-error at +1 {{expected variable name}}
+#pragma omp sections firstprivate(0)
+  {
+    foo();
+  }
+
+  int x, y, z;
+#pragma omp parallel
+#pragma omp sections lastprivate(x) firstprivate(x)
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(x, y) firstprivate(x, y)
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections lastprivate(x, y, z) firstprivate(x, y, z)
+  {
+    foo();
+  }
+}
+

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Added: cfe/trunk/test/OpenMP/sections_private_messages.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/OpenMP/sections_private_messages.cpp?rev=211685&view=auto
==============================================================================
--- cfe/trunk/test/OpenMP/sections_private_messages.cpp (added)
+++ cfe/trunk/test/OpenMP/sections_private_messages.cpp Wed Jun 25 06:44:49 2014
@@ -0,0 +1,204 @@
+// RUN: %clang_cc1 -verify -fopenmp=libiomp5 %s
+
+void foo() {
+}
+
+bool foobool(int argc) {
+  return argc;
+}
+
+struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
+extern S1 a;
+class S2 {
+  mutable int a;
+
+public:
+  S2() : a(0) {}
+};
+const S2 b;
+const S2 ba[5];
+class S3 {
+  int a;
+
+public:
+  S3() : a(0) {}
+};
+const S3 ca[5];
+class S4 { // expected-note {{'S4' declared here}}
+  int a;
+  S4();
+
+public:
+  S4(int v) : a(v) {}
+};
+class S5 { // expected-note {{'S5' declared here}}
+  int a;
+  S5() : a(0) {}
+
+public:
+  S5(int v) : a(v) {}
+};
+
+S3 h;
+#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
+
+template <class I, class C>
+int foomain(I argc, C **argv) {
+  I e(4);
+  I g(5);
+  int i;
+  int &j = i;                // expected-note {{'j' defined here}}
+#pragma omp sections private // expected-error {{expected '(' after 'private'}}
+  {
+    foo();
+  }
+#pragma omp sections private( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  {
+    foo();
+  }
+#pragma omp sections private() // expected-error {{expected expression}}
+  {
+    foo();
+  }
+#pragma omp sections private(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  {
+    foo();
+  }
+#pragma omp sections private(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  {
+    foo();
+  }
+#pragma omp sections private(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+  {
+    foo();
+  }
+#pragma omp sections private(argc)
+  {
+    foo();
+  }
+#pragma omp sections private(S1) // expected-error {{'S1' does not refer to a value}}
+  {
+    foo();
+  }
+#pragma omp sections private(a, b) // expected-error {{private variable with incomplete type 'S1'}}
+  {
+    foo();
+  }
+#pragma omp sections private(argv[1]) // expected-error {{expected variable name}}
+  {
+    foo();
+  }
+#pragma omp sections private(e, g)
+  {
+    foo();
+  }
+#pragma omp sections private(h) // expected-error {{threadprivate or thread local variable cannot be private}}
+  {
+    foo();
+  }
+#pragma omp sections shared(i) // expected-error {{unexpected OpenMP clause 'shared' in directive '#pragma omp sections'}}
+  {
+    foo();
+  }
+#pragma omp parallel
+  {
+    int v = 0;
+    int i;
+#pragma omp sections private(i)
+    {
+      foo();
+    }
+    v += i;
+  }
+#pragma omp parallel shared(i)
+#pragma omp parallel private(i)
+#pragma omp sections private(j) // expected-error {{arguments of OpenMP clause 'private' cannot be of reference type}}
+  {
+    foo();
+  }
+#pragma omp sections private(i)
+  {
+    foo();
+  }
+  return 0;
+}
+
+int main(int argc, char **argv) {
+  S4 e(4); // expected-note {{'e' defined here}}
+  S5 g(5); // expected-note {{'g' defined here}}
+  int i;
+  int &j = i;                // expected-note {{'j' defined here}}
+#pragma omp sections private // expected-error {{expected '(' after 'private'}}
+  {
+    foo();
+  }
+#pragma omp sections private( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  {
+    foo();
+  }
+#pragma omp sections private() // expected-error {{expected expression}}
+  {
+    foo();
+  }
+#pragma omp sections private(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  {
+    foo();
+  }
+#pragma omp sections private(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  {
+    foo();
+  }
+#pragma omp sections private(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+  {
+    foo();
+  }
+#pragma omp sections private(argc)
+  {
+    foo();
+  }
+#pragma omp sections private(S1) // expected-error {{'S1' does not refer to a value}}
+  {
+    foo();
+  }
+#pragma omp sections private(a, b) // expected-error {{private variable with incomplete type 'S1'}}
+  {
+    foo();
+  }
+#pragma omp sections private(argv[1]) // expected-error {{expected variable name}}
+  {
+    foo();
+  }
+#pragma omp sections private(e, g) // expected-error 2 {{private variable must have an accessible, unambiguous default constructor}}
+  {
+    foo();
+  }
+#pragma omp sections private(h) // expected-error {{threadprivate or thread local variable cannot be private}}
+  {
+    foo();
+  }
+#pragma omp sections shared(i) // expected-error {{unexpected OpenMP clause 'shared' in directive '#pragma omp sections'}}
+  {
+    foo();
+  }
+#pragma omp parallel
+  {
+    int i;
+#pragma omp sections private(i)
+    {
+      foo();
+    }
+  }
+#pragma omp parallel shared(i)
+#pragma omp parallel private(i)
+#pragma omp sections private(j) // expected-error {{arguments of OpenMP clause 'private' cannot be of reference type}}
+  {
+    foo();
+  }
+#pragma omp sections private(i)
+  {
+    foo();
+  }
+
+  return 0;
+}
+

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Added: cfe/trunk/test/OpenMP/sections_reduction_messages.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/OpenMP/sections_reduction_messages.cpp?rev=211685&view=auto
==============================================================================
--- cfe/trunk/test/OpenMP/sections_reduction_messages.cpp (added)
+++ cfe/trunk/test/OpenMP/sections_reduction_messages.cpp Wed Jun 25 06:44:49 2014
@@ -0,0 +1,413 @@
+// RUN: %clang_cc1 -verify -fopenmp=libiomp5 -ferror-limit 100 -o - %s
+
+void foo() {
+}
+
+bool foobool(int argc) {
+  return argc;
+}
+
+struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
+extern S1 a;
+class S2 {
+  mutable int a;
+  S2 &operator+=(const S2 &arg) { return (*this); }
+
+public:
+  S2() : a(0) {}
+  S2(S2 &s2) : a(s2.a) {}
+  static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
+  static const float S2sc;
+};
+const float S2::S2sc = 0; // expected-note 2 {{'S2sc' defined here}}
+S2 b;                     // expected-note 2 {{'b' defined here}}
+const S2 ba[5];           // expected-note 2 {{'ba' defined here}}
+class S3 {
+  int a;
+
+public:
+  S3() : a(0) {}
+  S3(const S3 &s3) : a(s3.a) {}
+  S3 operator+=(const S3 &arg1) { return arg1; }
+};
+int operator+=(const S3 &arg1, const S3 &arg2) { return 5; }
+S3 c;               // expected-note 2 {{'c' defined here}}
+const S3 ca[5];     // expected-note 2 {{'ca' defined here}}
+extern const int f; // expected-note 4 {{'f' declared here}}
+class S4 {          // expected-note {{'S4' declared here}}
+  int a;
+  S4();
+  S4(const S4 &s4);
+  S4 &operator+=(const S4 &arg) { return (*this); }
+
+public:
+  S4(int v) : a(v) {}
+};
+S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
+class S5 {
+  int a;
+  S5() : a(0) {}
+  S5(const S5 &s5) : a(s5.a) {}
+  S5 &operator+=(const S5 &arg);
+
+public:
+  S5(int v) : a(v) {}
+};
+class S6 {
+  int a;
+
+public:
+  S6() : a(6) {}
+  operator int() { return 6; }
+} o; // expected-note 2 {{'o' defined here}}
+
+S3 h, k;
+#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
+
+template <class T>       // expected-note {{declared here}}
+T tmain(T argc) {        // expected-note 2 {{'argc' defined here}}
+  const T d = T();       // expected-note 4 {{'d' defined here}}
+  const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
+  T qa[5] = {T()};
+  T i;
+  T &j = i;                // expected-note 4 {{'j' defined here}}
+  S3 &p = k;               // expected-note 2 {{'p' defined here}}
+  const T &r = da[(int)i]; // expected-note 2 {{'r' defined here}}
+  T &q = qa[(int)i];       // expected-note 2 {{'q' defined here}}
+  T fl;                    // expected-note {{'fl' defined here}}
+#pragma omp parallel
+#pragma omp sections reduction // expected-error {{expected '(' after 'reduction'}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp sections' are ignored}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{variable of type 'float' is not valid for specified reduction operation}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{variable of type 'float' is not valid for specified reduction operation}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(foo : argc) //expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(&& : argc)
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(^ : T) // expected-error {{'T' does not refer to a value}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(+ : a, b, c, d, f) // expected-error {{reduction variable with incomplete type 'S1'}} expected-error 3 {{const-qualified variable cannot be reduction}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(min : a, b, c, d, f) // expected-error {{reduction variable with incomplete type 'S1'}} expected-error 2 {{arguments of OpenMP clause 'reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 3 {{const-qualified variable cannot be reduction}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(max : qa[1]) // expected-error 2 {{expected variable name}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(+ : ba) // expected-error {{a reduction variable with array type 'const S2 [5]'}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(* : ca) // expected-error {{a reduction variable with array type 'const S3 [5]'}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(- : da) // expected-error {{a reduction variable with array type 'const int [5]'}} expected-error {{a reduction variable with array type 'const float [5]'}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(^ : fl) // expected-error {{variable of type 'float' is not valid for specified reduction operation}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(+ : o) // expected-error {{variable of type 'class S6' is not valid for specified reduction operation}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
+  {
+    foo();
+  }
+#pragma omp parallel private(k)
+#pragma omp sections reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(+ : p), reduction(+ : p) // expected-error 3 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 3 {{previously referenced here}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}
+  {
+    foo();
+  }
+#pragma omp parallel shared(i)
+#pragma omp parallel reduction(min : i)
+#pragma omp sections reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
+  {
+    foo();
+  }
+#pragma omp parallel private(fl)       // expected-note 2 {{defined as private}}
+#pragma omp sections reduction(+ : fl) // expected-error 2 {{reduction variable must be shared}}
+  {
+    foo();
+  }
+#pragma omp parallel reduction(* : fl) // expected-note 2 {{defined as reduction}}
+#pragma omp sections reduction(+ : fl) // expected-error 2 {{reduction variable must be shared}}
+  {
+    foo();
+  }
+
+  return T();
+}
+
+int main(int argc, char **argv) {
+  const int d = 5;       // expected-note 2 {{'d' defined here}}
+  const int da[5] = {0}; // expected-note {{'da' defined here}}
+  int qa[5] = {0};
+  S4 e(4); // expected-note {{'e' defined here}}
+  S5 g(5); // expected-note {{'g' defined here}}
+  int i;
+  int &j = i;           // expected-note 2 {{'j' defined here}}
+  S3 &p = k;            // expected-note 2 {{'p' defined here}}
+  const int &r = da[i]; // expected-note {{'r' defined here}}
+  int &q = qa[i];       // expected-note {{'q' defined here}}
+  float fl;             // expected-note {{'fl' defined here}}
+#pragma omp parallel
+#pragma omp sections reduction // expected-error {{expected '(' after 'reduction'}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp sections' are ignored}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(~ : argc) // expected-error {{expected unqualified-id}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(&& : argc)
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(+ : a, b, c, d, f) // expected-error {{reduction variable with incomplete type 'S1'}} expected-error 2 {{const-qualified variable cannot be reduction}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(min : a, b, c, d, f) // expected-error {{reduction variable with incomplete type 'S1'}} expected-error 2 {{arguments of OpenMP clause 'reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 2 {{const-qualified variable cannot be reduction}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(max : argv[1]) // expected-error {{expected variable name}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(+ : ba) // expected-error {{a reduction variable with array type 'const S2 [5]'}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(* : ca) // expected-error {{a reduction variable with array type 'const S3 [5]'}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(- : da) // expected-error {{a reduction variable with array type 'const int [5]'}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(^ : fl) // expected-error {{variable of type 'float' is not valid for specified reduction operation}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(& : e, g) // expected-error {{reduction variable must have an accessible, unambiguous default constructor}} expected-error {{variable of type 'S5' is not valid for specified reduction operation}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(+ : o) // expected-error {{variable of type 'class S6' is not valid for specified reduction operation}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
+  {
+    foo();
+  }
+#pragma omp parallel private(k)
+#pragma omp sections reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
+  {
+    foo();
+  }
+#pragma omp parallel
+#pragma omp sections reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}
+  {
+    foo();
+  }
+#pragma omp parallel shared(i)
+#pragma omp parallel reduction(min : i)
+#pragma omp sections reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
+  {
+    foo();
+  }
+#pragma omp parallel private(fl)       // expected-note {{defined as private}}
+#pragma omp sections reduction(+ : fl) // expected-error {{reduction variable must be shared}}
+  {
+    foo();
+  }
+#pragma omp parallel reduction(* : fl) // expected-note {{defined as reduction}}
+#pragma omp sections reduction(+ : fl) // expected-error {{reduction variable must be shared}}
+  {
+    foo();
+  }
+
+  return tmain(argc) + tmain(fl); // expected-note {{in instantiation of function template specialization 'tmain<int>' requested here}} expected-note {{in instantiation of function template specialization 'tmain<float>' requested here}}
+}

Propchange: cfe/trunk/test/OpenMP/sections_reduction_messages.cpp
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Modified: cfe/trunk/tools/libclang/CIndex.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/libclang/CIndex.cpp?rev=211685&r1=211684&r2=211685&view=diff
==============================================================================
--- cfe/trunk/tools/libclang/CIndex.cpp (original)
+++ cfe/trunk/tools/libclang/CIndex.cpp Wed Jun 25 06:44:49 2014
@@ -1852,6 +1852,7 @@ public:
   void VisitOMPParallelDirective(const OMPParallelDirective *D);
   void VisitOMPSimdDirective(const OMPSimdDirective *D);
   void VisitOMPForDirective(const OMPForDirective *D);
+  void VisitOMPSectionsDirective(const OMPSectionsDirective *D);
 
 private:
   void AddDeclarationNameInfo(const Stmt *S);
@@ -2287,6 +2288,10 @@ void EnqueueVisitor::VisitOMPForDirectiv
   VisitOMPExecutableDirective(D);
 }
 
+void EnqueueVisitor::VisitOMPSectionsDirective(const OMPSectionsDirective *D) {
+  VisitOMPExecutableDirective(D);
+}
+
 void CursorVisitor::EnqueueWorkList(VisitorWorkList &WL, const Stmt *S) {
   EnqueueVisitor(WL, MakeCXCursor(S, StmtParent, TU,RegionOfInterest)).Visit(S);
 }
@@ -3965,6 +3970,8 @@ CXString clang_getCursorKindSpelling(enu
     return cxstring::createRef("OMPSimdDirective");
   case CXCursor_OMPForDirective:
     return cxstring::createRef("OMPForDirective");
+  case CXCursor_OMPSectionsDirective:
+    return cxstring::createRef("OMPSectionsDirective");
   }
 
   llvm_unreachable("Unhandled CXCursorKind");

Modified: cfe/trunk/tools/libclang/CXCursor.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/libclang/CXCursor.cpp?rev=211685&r1=211684&r2=211685&view=diff
==============================================================================
--- cfe/trunk/tools/libclang/CXCursor.cpp (original)
+++ cfe/trunk/tools/libclang/CXCursor.cpp Wed Jun 25 06:44:49 2014
@@ -522,6 +522,9 @@ CXCursor cxcursor::MakeCXCursor(const St
   case Stmt::OMPForDirectiveClass:
     K = CXCursor_OMPForDirective;
     break;
+  case Stmt::OMPSectionsDirectiveClass:
+    K = CXCursor_OMPSectionsDirective;
+    break;
   }
 
   CXCursor C = { K, 0, { Parent, S, TU } };





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