[OPENMP] Initial parsing and sema analysis for 'single' directive.

llvm-svn: 211774

3 files changed, 35 insertions, 0 deletions

diff --git a/clang/lib/AST/Stmt.cpp b/clang/lib/AST/Stmt.cpp
index b402f6edd25..5245944e854 100644
--- a/clang/lib/AST/Stmt.cpp
+++ b/clang/lib/AST/Stmt.cpp
@@ -1430,3 +1430,29 @@ OMPSectionDirective *OMPSectionDirective::CreateEmpty(const ASTContext &C,
   return new (Mem) OMPSectionDirective();
 }
 
+OMPSingleDirective *OMPSingleDirective::Create(const ASTContext &C,
+                                               SourceLocation StartLoc,
+                                               SourceLocation EndLoc,
+                                               ArrayRef<OMPClause *> Clauses,
+                                               Stmt *AssociatedStmt) {
+  unsigned Size = llvm::RoundUpToAlignment(sizeof(OMPSingleDirective),
+                                           llvm::alignOf<OMPClause *>());
+  void *Mem =
+      C.Allocate(Size + sizeof(OMPClause *) * Clauses.size() + sizeof(Stmt *));
+  OMPSingleDirective *Dir =
+      new (Mem) OMPSingleDirective(StartLoc, EndLoc, Clauses.size());
+  Dir->setClauses(Clauses);
+  Dir->setAssociatedStmt(AssociatedStmt);
+  return Dir;
+}
+
+OMPSingleDirective *OMPSingleDirective::CreateEmpty(const ASTContext &C,
+                                                    unsigned NumClauses,
+                                                    EmptyShell) {
+  unsigned Size = llvm::RoundUpToAlignment(sizeof(OMPSingleDirective),
+                                           llvm::alignOf<OMPClause *>());
+  void *Mem =
+      C.Allocate(Size + sizeof(OMPClause *) * NumClauses + sizeof(Stmt *));
+  return new (Mem) OMPSingleDirective(NumClauses);
+}
+
diff --git a/clang/lib/AST/StmtPrinter.cpp b/clang/lib/AST/StmtPrinter.cpp
index 0ac683347f0..4a46063df37 100644
--- a/clang/lib/AST/StmtPrinter.cpp
+++ b/clang/lib/AST/StmtPrinter.cpp
@@ -797,6 +797,11 @@ void StmtPrinter::VisitOMPSectionDirective(OMPSectionDirective *Node) {
   PrintOMPExecutableDirective(Node);
 }
 
+void StmtPrinter::VisitOMPSingleDirective(OMPSingleDirective *Node) {
+  Indent() << "#pragma omp single ";
+  PrintOMPExecutableDirective(Node);
+}
+
 //===----------------------------------------------------------------------===//
 //  Expr printing methods.
 //===----------------------------------------------------------------------===//
diff --git a/clang/lib/AST/StmtProfile.cpp b/clang/lib/AST/StmtProfile.cpp
index 804003fb678..f3f3c7ba8e6 100644
--- a/clang/lib/AST/StmtProfile.cpp
+++ b/clang/lib/AST/StmtProfile.cpp
@@ -368,6 +368,10 @@ void StmtProfiler::VisitOMPSectionDirective(const OMPSectionDirective *S) {
   VisitOMPExecutableDirective(S);
 }
 
+void StmtProfiler::VisitOMPSingleDirective(const OMPSingleDirective *S) {
+  VisitOMPExecutableDirective(S);
+}
+
 void StmtProfiler::VisitExpr(const Expr *S) {
   VisitStmt(S);
 }